In the heart of China’s burgeoning construction and industrial landscape, the crane industry stands as a pivotal force, driving progress and innovation. At the forefront of this industry is the chain crane, a versatile and essential tool in various sectors, including construction, mining, and manufacturing. This in-depth guide delves into the world of chain cranes in China, exploring their historical development, current market trends, and future outlook.

Readers will gain a comprehensive understanding of how China transformed from importing foreign technologies to becoming the world’s largest producer and exporter of construction machinery. You will learn about the key regions, such as Jiangsu and Hunan, that are hubs for crane manufacturing and the intense competition within these areas.

The guide will also cover the latest trends in crane technology, including the shift towards lightweight, large-scale, intelligent, and reliable development, as outlined in China’s “14th Five-Year Plan for the Construction Machinery Industry.” Discover how advancements in IoT, data analysis, and smart crane technologies are revolution

China Electric Chain Hoists

Since the specific website https://www.mithoist.com/electric-chain-hoist.html is not accessible in the provided search results, the following guide is compiled based on the general information available from similar sources.

Guide to Electric Chain Hoists

Introduction

Electric chain hoists are versatile and efficient lifting equipment widely used in various industrial settings, including factories, warehouses, docks, and construction sites. They offer a range of benefits that make them an essential tool for handling heavy loads.

Benefits of Electric Chain Hoists

Increased Productivity

Electric chain hoists significantly boost productivity by reducing the manual effort required for lifting and moving heavy loads. They are ideal for high-frequency and heavy-duty applications, such as in manufacturing assembly lines, where components need to be lifted and moved swiftly[2][3].

High Load Capacity

These hoists can handle loads ranging from a few hundred kilograms to several tonnes, typically up to 35 tons. This high load capacity is enabled by their electrical power, making them suitable for continuous and precise handling of large loads[2][3].

Cost-Effectiveness

Despite being a one-time investment, electric chain hoists can save significantly on labor costs. They minimize the need for skilled labor, which is particularly beneficial as labor costs continue to rise[2].

Smooth and Quiet Operation

Electric chain hoists operate smoothly and generate less noise, making them suitable for various industrial environments. They also provide precision handling of loads, ensuring accurate and safe lifting operations[2][5].

Safety Features

• Overload Protection: Integrated overload protection prevents the hoist from lifting beyond its safe working load capacity.
• Dual Brake System: Ensures the load is held securely when the motor is off.
• Limit Switches: Prevents over-travel and ensures the hoist operates within safe limits.
• Emergency Stop Functions: Allows for immediate shutdown in case of an emergency[2][3].

Durability and Maintenance

• Lightweight and Strong Construction: Often made from light aluminum alloy shells, which are strong, have a high heat dissipation rate, and are fully sealed to operate in poor conditions[1].
• Easy Maintenance: Simple structure and design make them convenient for installation, disassembly, and maintenance. However, they do require regular inspections and upkeep to ensure optimal performance and safety[1][3].

Versatility

Electric chain hoists are available in various styles, including fixed type, low headroom, and running type, which makes them adaptable to different space constraints. They can also be designed for hazardous applications and are suitable for use in extreme environments such as clean rooms or areas with explosive gases[1][2][4].

Key Features to Look For

Compact Body Design

A compact design helps in saving space and is particularly beneficial in environments with limited headroom[5].

Certification and Testing

Ensure the hoist meets industry standards and has been thoroughly tested for safety and performance[5].

After-Sale Services

Look for manufacturers that offer reliable after-sale services, including warranties and readily available spare parts[5].

Level of Precision

Precision is crucial in industrial lifting. Opt for hoists with features that ensure accurate and precise lifting operations to avoid damage to goods and reduce health hazards[5].

Ergonomics

An ergonomic design makes the hoist easier to operate, increasing user productivity and reducing the chances of injury[5].

Ease of Installation

Consider hoists that are easy to install and relocate, as this can save time and money in the long run[5].

Durability

Choose hoists from manufacturers known for producing durable products. Durable equipment reduces the cost of constant replacement and maintenance[5].

Safety Precautions

Avoid Using the Hoist Above Its Lifting Capacity

Never exceed the specified safe working load capacity to prevent chain breakage and accidents[2].

Never Ride on Loads

Operators should never ride on the load being lifted, as this can add extra pressure and lead to malfunctions and injuries[2].

Proper Positioning of Load

Ensure the load is vertically placed under the hoist and avoid angular lifting, which can damage the internal components of the hoist[2].

Maintenance Requirements

Electric chain hoists require regular maintenance to ensure optimal performance and safety. This includes:
– Regular inspections of electrical components
– Upkeep of mechanical parts
– Replacement of worn-out components
– Ensuring all safety features are functioning correctly[3].

Choosing the Right Electric Chain Hoist

The choice between an electric chain hoist and other types of hoists depends on the specific lifting requirements of the application. Consider the following:
– Load Capacity: Electric chain hoists are suitable for heavy and frequent lifting tasks.
– Environment: They can be designed for hazardous applications and are versatile in different environments.
– Space Constraints: Choose from various styles to fit different space needs.
– Cost and Maintenance: While they may require more maintenance than manual hoists, they offer long-term cost savings and efficiency[2][3][4].

By understanding these benefits, features, and safety precautions, you can make an informed decision when selecting an electric chain hoist for your industrial needs.

Electric Chain Hoist ECH

Since the provided websites do not include the specific content from https://www.eurocranegroup.com/electric-chain-hoist-1892097/59970733.html, I will create a comprehensive guide based on the general information about electric chain hoists gathered from the other sources.

Electric Chain Hoists: A Comprehensive Guide

Introduction

Electric chain hoists are versatile and reliable lifting solutions widely used in various industries, including manufacturing, construction, and entertainment. This guide provides an in-depth look at the key features, specifications, safety aspects, and maintenance requirements of electric chain hoists.

Key Features and Specifications

Capacities and Lift Heights

• Electric chain hoists are available in a wide range of capacities, from 1/8 ton to 55 tons[5].
• Standard lift heights typically include 10, 15, and 20 feet, with options for additional lifting heights up to 98 feet[2].

Hoist Configurations

• Hoists come in single and two-fall models, which affect the lifting capacity and speed[2].
• Various suspension options are available, including top hook, lug mount, push trolley, and motorized trolley suspensions[2][3].

Lifting Speeds

• Hoists can have single or two-speed hoisting options, with speeds ranging from 2.5 to 28 feet per minute (fpm)[2][3].
• Some models offer infinitely variable speed controls for precise positioning[3].

Power and Voltage

• Hoists are available with different voltage options, such as 208-230V and 460V, and can operate on single-phase or three-phase power supplies[3][4].

Safety Features

Overload Protection

• Many hoists are equipped with overload devices, such as slip clutches, that are set at 110% of the rated capacity to prevent overloading[2][3].

Limit Switches

• Upper and lower limit switches are standard to prevent overtravel of the hook and chain, ensuring safe operation[3].

Brake Systems

• Advanced brake systems, including self-adjusting brakes and DC current motor brakes with electrical failsafe designs, are used to ensure reliable stopping and holding of loads[3].

Testing and Certification

• Hoists are factory load tested at 125% of the rated capacity and meet various industry standards, such as ASME B30.16 and UL 1340[1][3].

Design and Construction

Materials and Build

• Hoists are built with durable materials, including hardened, forged steel hooks and Hoistaloy load chains for long, dependable service[1].
• The body of the hoist can be made from all-pressure case aluminum, protecting the electrical components[2].

Gearbox and Motor

• Gearboxes are designed for long life and quiet operation, often meeting minimum AGMA 10 ratings for precision and durability[2].
• Motors are designed for heavy-duty applications, with features like thermal protection and high-duty cycles (e.g., H4 duty standard)[1][3].

Maintenance and Ease of Use

Ease of Installation and Maintenance

• Hoists are designed for easy installation and maintenance, with features like plug-and-play electrical connections and easily accessible chain guides and sprockets[2][3].

Chain Containers

• High-density polyethylene or canvas chain containers are often included to manage the chain and prevent damage[1][2].

Controls and Pendants

• Ergonomic pendants with pistol grips and plug-in power supply cords simplify operation and maintenance[2][3].

Applications and Special Features

Industrial and Entertainment Use

• Hoists are used in various industrial settings and also in the entertainment industry, where quiet and compact designs are crucial[2].

Harsh Environment Hoists

• Specialized hoists are available for harsh environments, such as plating, galvanizing, and washdown applications[1].

Creep Control and Articulating Suspension

• Some models offer creep control for precise positioning and articulating suspension for flexible mounting options[1].

Conclusion

Electric chain hoists are robust, reliable, and versatile lifting solutions that cater to a wide range of industrial and other applications. By understanding their key features, safety aspects, and maintenance requirements, users can ensure safe and efficient lifting operations. Whether you need a hoist for heavy-duty industrial use or for precise positioning in a controlled environment, there is an electric chain hoist designed to meet your needs.

Chain Hoist CH-H type

H-Lift Chain Hoist/Chain Block CH-H Type: A Comprehensive Guide

Introduction

The H-Lift Chain Hoist/Chain Block CH-H type is a versatile and reliable piece of equipment designed for lifting heavy loads with ease. This guide provides an in-depth look at its features, specifications, and applications.

Key Features

Design and Operation

• Compact Design and Light Weight: The CH-H type chain hoist is designed to be compact and lightweight, making it easy to use and transport.
• Mechanical Brake: Equipped with a mechanical brake for load control, ensuring safe and precise lifting operations.
• Maintenance Friendly: Designed for easy maintenance, reducing downtime and extending the lifespan of the hoist.

Lifting Mechanism

• Internal Gears: The internal gears of the chain block wind the chains around, lifting the object attached to the hook. This mechanism allows for lifting large, heavy loads with minimal force.
• Load Capacity: Capable of lifting loads up to 30,000 kg, making it suitable for a wide range of heavy-duty applications.

Specifications

Capacity and Lift

• Capacity Range: Available in capacities from 0.5 tons to 30 tons.
• Standard Lift: Standard lift heights range from 2.5 meters to 3 meters, with options for lifts in other lengths.

Technical Details

• Proof Load: The proof load varies by model, ensuring the hoist can handle loads safely.
• Effort Required: The effort required to lift the rated load is minimized due to the efficient gear system.
• Number of Falls of Load Chain: Varies by model, with some models having up to 12 falls of load chain.
• Load Chain: Grade 80 load chain (EN818-7) with surface finishes such as black oxidized or electric galvanized.

Dimensions and Weight

• Dimensions: Detailed dimensions provided for each model, including A, B, C, and D measurements.
• Net Weight: Net weight and extra weight per meter of lift chain are specified for each model.

Applications

Versatility

• Remote Locations: Ideal for use in remote locations or places with little to no access to power.
• Overhead Work: Suitable for overhead work and in narrow spaces such as car garages, factories, laboratories, and power plants.
• Single Operator: Can be operated by a single person, reducing the need for large operating teams.

Industries

• Manufacturing: Used in manufacturing facilities for installing machines and repairing goods.
• Shipyards and Marinas: Commonly used in shipyards and marinas for heavy lifting tasks.
• Heavy Industries: Widely used in various heavy industries due to its reliability and versatility.

Safety and Reliability

Braking System

• Automatic Double Pawl Braking System: Some models feature an automatic double pawl braking system for enhanced safety and load control.

Durability

• High-Quality Materials: Made with high-quality materials, including Grade 80 load chain, to ensure long-term durability and reliability.

Maintenance and Service

Easy Maintenance

• Maintenance Friendly Design: Designed to be maintenance-friendly, with easy access to all components.
• Regular Inspection: Recommended regular inspections to ensure the hoist remains in good working condition.

Conclusion

The H-Lift Chain Hoist/Chain Block CH-H type is a robust and versatile lifting solution that offers a combination of ease of use, high load capacity, and reliability. Its compact design, mechanical brake, and maintenance-friendly features make it an essential tool for various industries and applications. Whether you are working in remote locations or within industrial settings, this chain hoist is designed to meet your heavy lifting needs efficiently and safely.

2t Electric Chain Hoist China Manufacturers Suppliers …

Since the provided URL is not accessible, I will create a comprehensive guide to electric chain hoists based on the information from the other sources.

Electric Chain Hoists: A Comprehensive Guide

Introduction

Electric chain hoists are versatile and reliable lifting solutions widely used in manufacturing, construction, and various industrial applications. They offer precise control, ease of use, and integration with different power sources.

Key Components and Features

Capacity and Lift Heights

• Electric chain hoists are available in a wide range of capacities, from 1/8 ton to 55 tons[5].
• Standard lift heights include 10, 15, and 20 feet, with options for additional lifting heights up to 98 feet[2].

Lifting Speeds

• Hoists can be configured for single or two-speed operations. For example, the LK electric chain hoist offers 16/5 fpm (feet per minute) for two-speed models[2].
• Some models, like the Harrington NER series, offer variable speed options such as 2.5/14 fpm or 4.5/28 fpm[3].

Suspension Options

• Various suspension types are available, including top hook, lug mount, push trolley, and motorized trolley[2][3].

Power and Voltage

• Hoists can operate on different voltages, such as 208-230/460V three-phase power or single-phase power for lighter applications[3][4].
• Some models are convertible between different voltages, for example, from 460V to 230V[1].

Safety Features

Overload Protection

• Many hoists come equipped with overload protection devices, such as the slip clutch overload device set at 110% of the rated capacity in the LK electric chain hoist[2].
• The Harrington NER series features a revolutionary DC current motor brake with an electrical failsafe design[3].

Limit Switches

• Upper and lower limit switches are standard to prevent overtravel of the hook and chain, ensuring safe operation[2][3].

Testing and Certification

• Hoists are thoroughly tested and inspected before shipment, often at 125% of the rated load to ensure reliability and compliance with standards like ASME B30.16[1][2].

Durability and Maintenance

Construction and Materials

• Hoists are built with durable materials, such as all-pressure case aluminum bodies, hardened and forged steel hooks, and zinc-plated or nickel-plated load chains[1][2][3].

Maintenance Access

• Designs often include easy access to components for maintenance, such as external access to the chain guide and sprocket, and plug-and-play electrical connections[2][3].

Lubrication and Gearbox

• Some models feature permanently lubricated gearboxes and self-adjusting brakes to minimize maintenance needs[2].

Operational Efficiency

Control Systems

• Ergonomic pendants, such as the PRQ pendant with an ergonomic pistol grip, enhance user comfort and control[2].
• Advanced control systems, including inverter or two-speed controlled trolleys, provide precise positioning and smooth operation[2].

Duty Cycles

• Hoists are rated for different duty cycles, such as H4 duty standard, to handle demanding applications[1][3].

Special Applications

Harsh Environment Hoists

• Some models are designed for harsh environments, such as plating, galvanizing, and washdown applications, with features like IP55 protection classification[1][3].

Climbing Capability

• Certain hoists are available with climbing capability for temporary rigging or lifting applications, which must be used in inverted positions only[1].

Creep Control

• Features like creep control allow for precise positioning through field adjustment within a specified time delay range[1].

Installation and Setup

Ease of Installation

• Many hoists are designed for easy installation, with no special tools required for disassembly or setup[1][2].

Power Supply and Cords

• Hoists often come with plug-in pendants and power supply cords that save time on setup and maintenance[3].

Conclusion

Electric chain hoists are robust, reliable, and versatile lifting solutions that cater to a wide range of industrial needs. With their advanced safety features, durable construction, and ease of maintenance, they are an essential tool in many manufacturing and construction environments. By understanding the various capacities, lifting speeds, suspension options, and special features available, users can select the most appropriate hoist for their specific applications.

Chain Hoist Manufacturers and Suppliers

Since the provided websites do not include the specific content from the URL https://www.chinacranemanufacturer.com/electric-chain-hoist/, I will create a comprehensive guide based on the general information available from the other sources.

Guide to Electric Chain Hoists

Introduction

Electric chain hoists are versatile and efficient material handling equipment used for lifting, lowering, and moving heavy loads. They combine the advantages of manual chain hoists with the automation of electric motors, enhancing labor efficiency and working conditions.

Components of Electric Chain Hoists

• Motor: The power source of the hoist, which can be single-phase or three-phase depending on the application.
• Transmission Mechanism: Converts the motor’s rotational energy into linear motion.
• Chain Wheel: The component that engages with the chain to lift or lower the load.
• Chain: Typically made of high-strength steel, designed for durability and low wear.
• Control System: Includes switches, remote controls, or other mechanisms to operate the hoist safely and efficiently.

Types of Electric Chain Hoists

EHK Type

• Heavy-duty electric chain hoists suitable for high-capacity lifting.
• Often used in industrial settings where robust lifting solutions are required[1].

EHE Type

• Available in a range of capacities, typically from 250kg to 2 tons.
• Suitable for various applications, including warehouses and construction sites[1].

EHC Type

• Compact and versatile, these hoists are designed for different load capacities and environments.
• May include features like low headroom designs for limited space applications[1].

Specialized Hoists

• Stage Use Hoists: Designed for theatrical and stage applications, often with silent operation and precise control.
• Explosion-Proof Hoists: Built for use in hazardous environments where safety is paramount.
• Low-Headroom Hoists: Optimized for spaces with limited vertical clearance[4].

Applications of Electric Chain Hoists

• Industrial Settings: Used in factories, warehouses, and manufacturing plants for heavy lifting tasks.
• Construction Sites: Essential for lifting building materials and equipment.
• Theatrical and Stage: Utilized in theaters and concert venues for set changes and lighting adjustments.
• Warehouses: Facilitate the loading and unloading of goods.

Benefits of Electric Chain Hoists

• Efficiency: Automate lifting tasks, reducing manual labor and increasing productivity.
• Safety: Equipped with safety features such as overload protection and emergency stops.
• Durability: Made with high-quality materials to ensure long service life.
• Versatility: Available in various capacities and configurations to suit different needs.

Key Features to Consider

• Load Capacity: Ranges from a few hundred kilograms to several tons.
• Lifting Height: Varies depending on the application, from a few meters to several dozen meters.
• Control Options: Includes pendant controls, remote controls, and wireless controls for convenient operation.
• Speed: Different models offer various lifting speeds to suit the specific requirements of the task.
• Power Source: Can be single-phase or three-phase, depending on the available power supply.

Maintenance and Safety

• Regular Inspections: Ensure all components are in good condition to prevent accidents.
• Proper Training: Operators should be trained on the safe use and maintenance of the hoist.
• Certifications and Standards: Look for hoists that meet international safety standards such as ISO 9001 and CE certifications[2][3].

Choosing the Right Electric Chain Hoist

• Assess Load Requirements: Determine the maximum weight and frequency of lifts needed.
• Consider Space Constraints: Choose a hoist that fits the available space, including headroom and trolley travel.
• Evaluate Control Needs: Decide on the type of control system required for the application.
• Check for Certifications: Ensure the hoist meets relevant safety and quality standards.

By understanding these aspects, users can make informed decisions when selecting and using electric chain hoists, ensuring safe, efficient, and effective material handling operations.

China Chain Hoist Suppliers and Wholesalers

Given the absence of direct access to the specific website content from https://www.tradewheel.com/chain-hoist/china/, the following guide is compiled based on the general types and uses of chain hoists, incorporating information from the provided sources.

Guide to Chain Hoists and Their Applications

Introduction

Chain hoists are essential tools in various industries, including construction, manufacturing, and material handling. They are designed to lift and lower heavy loads efficiently and safely. Here is a comprehensive guide to the different types of chain hoists and their applications.

Types of Chain Hoists

Manual Chain Hoists

Overview

Manual chain hoists, also known as hand chain hoists or chain blocks, are operated manually. They consist of a chain, a hand-operated lever or chain, and a load hook.

Applications

• Ideal for lifting light to moderate loads.
• Commonly used in workshops, garages, and small manufacturing facilities.
• Can be used for high vertical lifts without the operator needing to be close to the load[3][5].
• Examples of use include lifting engines from cars and motorcycles, moving heavy logs, and removing trees[3].

Operation

• Require the use of both hands to operate.
• The operator pulls on the chain to lift or lower the load.
• Equipped with a braking system to prevent the load from slipping back down[3][5].

Lever Chain Hoists

Overview

Lever chain hoists are similar to manual chain hoists but include a single side lever attached to the lifting mechanism.

Applications

• Can be operated with one hand.
• Ideal for loads that need pulling in horizontal or angular directions.
• Commonly used for rigging, pulling pipes, stretching wires, and straightening poles[2][3].
• Can handle loads up to 6 tons[5].

Operation

• The lever is cranked to lift or lower the load.
• Equipped with a 360° rotation of both the lever and top swivel hook for easy movement[3].

Electric Chain Hoists

Overview

Electric chain hoists are powered by an electric motor and use a chain to lift and lower loads.

Applications

• Commonly used in industrial settings such as manufacturing plants, warehouses, and construction sites.
• Ideal for lifting heavy loads up to several tonnes.
• Offer precise control over load positioning and require minimal maintenance[1][2].

Operation

• The operator uses a control device to activate the electric motor.
• The motor converts electrical energy into mechanical energy to lift the load[4].

Pneumatic (Air) Chain Hoists

Overview

Pneumatic chain hoists use compressed air to lift and lower loads.

Applications

• Suitable for use in hazardous environments where electrically powered hoists are not allowed.
• Ideal for applications requiring precise load control and high-speed lifting.
• Commonly used in the automotive industry, paint booths, and other hazardous environments[1][2].

Operation

• Compressed air powers the lifting mechanism.
• Can run continuously without rest, making them suitable for heavy-duty and long lifts[2].

Other Types of Hoists

Wire Rope Hoists

Overview

Wire rope hoists use a wire rope instead of a chain and are suitable for heavy-duty lifting applications.

Applications

• Commonly used in the construction and mining industries, as well as in shipyards and offshore drilling platforms.
• Available in single and double reeved configurations and can be electrically or manually operated[1].

Hydraulic Hoists

Overview

Hydraulic hoists use hydraulic power to lift and lower loads.

Applications

• Ideal for applications requiring high load capacities and precise load control.
• Commonly used in construction, mining, and material handling applications. Also used in marinas and shipyards to move boats[1][2].

Explosion-Proof Hoists

Overview

Explosion-proof hoists are designed for use in hazardous environments with a high risk of explosions.

Applications

• Commonly used in the chemical, petrochemical, and mining industries where explosive gases, vapors, and dusts are present.
• Designed to prevent sparks and other ignition sources from coming into contact with explosive materials[1].

Safety and Operation

Pre-Operation Checks

• Ensure the hoist is properly inspected and maintained before use.
• Check the load capacity and ensure it exceeds the weight of the load being lifted[5].

Attaching the Load

• Secure the load to the hook using appropriate lifting slings or chain bags.
• Ensure the load is balanced and evenly distributed[5].

Operating the Hoist

• Follow the manufacturer’s instructions for operating the specific type of hoist.
• Use proper lifting techniques to avoid accidents and ensure the safety of the operator and others in the vicinity[5].

Conclusion

Chain hoists are versatile tools that can be used in a variety of applications across different industries. Understanding the different types of chain hoists and their specific uses is crucial for selecting the right hoist for your needs and ensuring safe and efficient operation. Always follow safety guidelines and manufacturer instructions to maximize the effectiveness and safety of the hoist.

5 ton electric chain hoists Manufacturers and Suppliers

Given that the specific website you mentioned is not accessible in the search results, I will create a comprehensive guide based on the general specifications and features of 2-ton electric chain hoists, using the information from the other sources.

Guide to 2-Ton Electric Chain Hoists

Introduction

Electric chain hoists are versatile and efficient lifting solutions used in various industrial and commercial settings. Here, we will delve into the key features, specifications, and applications of 2-ton electric chain hoists.

Key Features

Capacity and Lifting Height

• Capacity: 2 tons (4,400 lbs.), suitable for medium to heavy-duty lifting tasks[4].
• Lifting Height: Varies from 19 ft 8 in to 30 ft or more, depending on the model[1][4][5].

Speed and Control

• Lifting Speed: Typically features dual-speed operation for enhanced control and flexibility. For example, speeds can range from 15.7/3.94 ft/min to 2.26 – 22.6 ft/min[1][4].
• Trolley Speed: Also dual-speed, such as 55.8/27.89 ft/min[1].
• Control Type: Usually controlled by a low-voltage pendant or optional wireless control for convenience[1][4].

Motor and Power Supply

• Motor Power: The hoist motor power can range from approximately 3.22/0.8 hp, and the trolley motor power from 0.32/0.16 hp[1].
• Voltage and Frequency: Commonly operates on three-phase power supply with voltages such as 208-230/460V, 50/60Hz[4][5].

Trolley and Beam Compatibility

• Trolley Type: Can be motorized or push trolley, allowing smooth and efficient horizontal movement along the beam[1][3][4].
• Beam Width: Compatible with various beam widths, such as 74-300 mm or flange widths between 2.874 and 7.874 inches[1][3].

Specifications and Technical Details

Duty Classification and Operational Time

• Duty Classification: Classified under different duty cycles such as H2, H4, or M5, indicating the hoist’s suitability for various operational scenarios[1][4].
• Operational Time: Can operate for up to 50% of the time per hour with up to 300 starts per hour, depending on the duty cycle[4].

Safety Features

• Overload Protection: Equipped with externally adjustable slip clutches or other overload protection mechanisms[3].
• Brake System: Includes a secondary mechanical load brake or an automatic brake that holds the load in case of power failure[3][5].
• Limit Switches: Electro-mechanical upper and lower limit switches to prevent over-travel[3].
• Thermal Protection: Protected through heat sensors to prevent motor overheating[3].

Additional Components

• Chain Container: Often includes a chain container to manage the chain during lifting operations[5].
• Control Cable and Power Cable: Standard lengths of control and power cables, such as 6 meters and 4.5 meters respectively[3].

Applications and Usage

Industrial Settings

• Suitable for high-volume handling in steel warehouses, machine shops, fabricating plants, mills, and foundries[4].

Environmental Conditions

• Designed to operate in indoor clean environments with temperature ranges from +14 to +104 ºF and altitudes less than 3280 ft[1].
• Can also operate in temperatures from -10°C to +40°C, depending on the model[3].

Maintenance and Service

Regular Maintenance

• Regular inspection and maintenance are crucial to ensure the longevity and safety of the hoist. This includes checking the load chain, motor, and other components for wear and tear[2].

Parts and Support

• Many manufacturers offer comprehensive services including electric hoist design, installation, inspection, and maintenance, as well as supplying hoist parts[2].

Conclusion

2-ton electric chain hoists are robust and efficient lifting solutions that cater to a wide range of industrial needs. By understanding their key features, specifications, and applications, users can make informed decisions when selecting the right hoist for their operations. Always ensure that the chosen hoist meets the specific requirements of your workspace and follows all safety and operational guidelines.

Electric Chain Hoist Manufacturer In China

Electric Chain Hoist: A Comprehensive Guide

Introduction

Electric chain hoists are highly efficient and versatile lifting tools that utilize an electrically powered chain to move loads vertically. These devices are essential in various industries, including construction, automotive manufacturing, shipping, and more, due to their ability to lift and lower heavy loads with precise control.

Key Components of an Electric Chain Hoist

Motor

The motor is the core component of an electric chain hoist, providing the energy needed to raise or lower the load. Modern electric chain hoists are equipped with high-performance motors known for their robustness and durability, ensuring efficient operation even under heavy load conditions.

Gearbox

The gearbox plays a crucial role in adapting the high rotation speed of the motor to an appropriate speed for lifting or lowering the load. This reduction in speed allows for precise control over the movement of the load, which is essential for safety and efficiency.

Chain and Sprocket

The chain, made of high-tensile steel for maximum strength and durability, runs around a sprocket in the chain hoist. The movement of the chain, initiated by the power transmission from the motor through the gearbox, raises or lowers the load.

Controls

The controls serve as the operator’s interface for managing the lifting or lowering process. Operators can start and stop the process, adjust the speed of the movement, and in some models, use variable speed settings for precise positioning of the load.

How Electric Chain Hoists Work

Electric chain hoists convert electrical energy into mechanical motion to lift and lower loads. Here is the step-by-step process:
– Power Initiation: The process begins when electrical current is fed to the motor, typically triggered by operating the controls.
– Motor Activation: The motor starts and generates the driving force needed to move the load.
– Power Transmission: The energy from the motor is transmitted to the chain via the gearbox, which reduces the speed to a level suitable for lifting or lowering.
– Chain Movement: The chain, connected to the load, moves around the sprocket, raising or lowering the load as required.
– Control and Precision: The controls allow operators to finely adjust the speed and position of the load, ensuring precise and safe operation.

Types of Electric Chain Hoists

Standard Electric Chain Hoists

These are the most commonly used models, offering a balance between performance, reliability, and cost. They are available in a range of capacities, from light loads to several tonnes, and are ideal for general lifting tasks in workshops, warehouses, and light industrial applications.

Fixed Electric Chain Hoists

These hoists are installed on fixed structures such as suspended I-beams or fixed lifting points and are suitable for tasks that require lifting goods in a stationary position.

Running Electric Chain Hoists

These hoists are equipped with an electric running trolley, allowing them to move along rails or beams to lift and lower loads in different locations.

Low Headroom Electric Chain Hoists

Designed for use in low-ceiling environments, these hoists are ideal for areas where traditional hoists cannot be used due to space constraints.

Applications and Industries

Electric chain hoists are versatile and can be used in a wide range of industries and applications, including:
– Manufacturing and Assembly: For material handling and precise positioning of components.
– Construction: For lifting heavy building materials and equipment.
– Warehousing and Logistics: For loading, unloading, and moving goods.
– Shipbuilding: For handling heavy components and equipment.
– Stage Engineering: For lifting and moving stage equipment and scenery.

Advantages and Benefits

• Efficiency and Productivity: Electric chain hoists significantly reduce manual labor and increase the efficiency of lifting operations.
• Precision and Control: They offer precise control over the movement of loads, ensuring safe and accurate positioning.
• Compact Design: Their compact and lightweight design makes them suitable for work environments with limited space.
• Safety: They contribute to workplace safety by minimizing the risk of manual handling injuries and ensuring stable load movement.
• Cost-Effectiveness: They are generally more cost-effective than other types of hoists, such as wire rope hoists, and require less maintenance.

Selection and Installation

When selecting an electric chain hoist, several factors must be considered:
– Load Capacity: The hoist must be capable of handling the weight of the loads you need to lift.
– Lifting Height: The hoist should be able to lift loads to the required height.
– Operating Environment: The hoist must be suitable for the operating environment, including factors such as power supply, temperature, and space constraints.
– Operating Requirements: Consider the need for precise control, variable speed settings, and other special features.

Proper installation is crucial to ensure safe and efficient operation. Hoists should be installed on sturdy structures and aligned correctly to prevent any imbalance or misalignment.

Safety and Maintenance

• Safety Protocols: Always follow safety protocols when operating electric chain hoists, including proper training for operators and regular inspections.
• Maintenance: Regular maintenance is essential to ensure the longevity and reliability of the hoist. This includes lubricating the chain, checking the motor and gearbox, and ensuring all safety features are functioning correctly.

By understanding the components, operation, and applications of electric chain hoists, users can optimize their lifting operations, enhance workplace safety, and improve overall efficiency.

China 10 Ton Hand Chain Hoist Suppliers and …

Since the specific website content from https://www.allmanlift.com/manual-hoist/chain-block/10-ton-hand-chain-hoist.html is not provided, I will create a comprehensive guide based on the general information available from similar sources on 10-ton manual chain hoists.

Guide to 10-Ton Manual Chain Hoists

Introduction

Manual chain hoists are essential tools in various industrial and construction settings, offering a reliable and efficient way to lift, pull, and secure heavy loads. A 10-ton manual chain hoist is a heavy-duty solution designed for demanding applications.

Key Features

Lifting Capacity

• Supports loads up to 10 tons (22,000 lbs), making them suitable for the most challenging lifting tasks[1][2][3].

Lifting Height

• Typically provides a maximum lifting height of 10 feet, though longer lifts (up to 30 feet) are often available depending on the model[1][2][4].

Construction and Materials

• Built from high-quality materials such as G80 or Grade 100 heat-treated steel load chains to ensure long-lasting performance and durability[1][3][5].

Technical Specifications

Load Chain

• Load chain size can vary but is typically around 10×30 mm or 0.393″ in diameter[1][3][5].

Brake System

• Equipped with reliable braking systems, such as double pawl brakes or enclosed contoured Weston-type automatic brakes, to ensure positive load control and safety[1][4][5].

Standards Compliance

• Complies with various international standards, including ANSI/ASME B30.16, EN13157, and ISO 16877-2008[1][4].

Operational Benefits

Mechanical Advantage

• The mechanical advantage of manual chain hoists allows for a small pulling force on the hand chain to convert into a high-efficiency lift on the load chain, making heavy lifting more manageable[3].

Efficiency and Ease of Use

• High-efficiency spur gearing and well-designed drive trains minimize manual effort required to lift loads[4][5].

Safety Features

• Standard Load Limiter for automatic overload protection and other safety features like Latchlok hooks, bronze hooks, and bullard hooks to ensure safe operation[2][4].

Additional Features and Options

Suspension Types

• Available with various suspension options such as hook mount, plain or geared trolley, and eye-type suspension to cater to different operational needs[2][4].

Chain Containers and Hand Chain Options

• Options include fabric or metal chain containers and unwelded or zinc-plated load and hand chains[2][4].

Trolley Options

• Universal tread trolley wheels for operation on sloped or flat flanged beams, reducing rolling friction and enhancing maneuverability[2][4].

Maintenance and Warranty

Maintenance

• Designed for easy maintenance with durable finishes and high-quality components that ensure long service life[3].

Warranty

• Often comes with a lifetime warranty or a significant warranty period (e.g., 3 years) to ensure customer satisfaction and reliability[1][2][4].

Applications

Industrial and Construction Use

• Ideal for heavy-duty construction and industrial areas, both in confined spaces and open-air environments[3].

Special Applications

• Can be used in various special applications where high lifting capacity and precision are required, such as in shipyards, factories, and warehouses[2][4].

Safety Considerations

Overload Protection

• Always ensure the hoist is used within its rated capacity and that overload protection mechanisms are in place to prevent accidents[2][4].

Regular Inspection

• Regularly inspect the hoist and its components to ensure they are in good working condition and comply with safety standards[1][4].

Conclusion

A 10-ton manual chain hoist is a robust and reliable tool for heavy lifting tasks. By understanding its key features, technical specifications, and operational benefits, users can ensure safe and efficient use in various industrial and construction settings. Always follow the manufacturer’s guidelines and safety recommendations to maximize the lifespan and performance of the hoist.

LiftHand: China electric chain hoist and electric wire rope hoist …

Zhejiang LiftHand Hoisting Machinery Co., Ltd: An In-Depth Guide

Company Overview

Zhejiang LiftHand Hoisting Machinery Co., Ltd is a professional manufacturer and exporter of various hoisting and lifting equipment. The company is based in Zhejiang Province, China, with its factory located four hours from Shanghai and the office in Hangzhou city.

History and Mission

LiftHand has over 20 years of dedication to the industry, focusing on safety, quality, and innovation. The company’s mission is to pursue competitive products and ensure strict quality control, backed by certifications such as ISO 9001, GB/T19001, and European safety standards CE and German safety GS.

Products

Electric Chain Hoists

• HG Series Hoist: Heavy-duty electric chain hoists available in various capacities.
• ER Series Hoist: Another line of electric chain hoists with specific features for different applications.
• Single Phase Hoist: Designed for single-phase power supply.
• Explosion Proof Hoist: Specialized for use in hazardous environments.
• Twin Hook Hoist: Features dual hooks for increased lifting capacity.
• Low Headroom Electric Chain Hoist: Optimized for spaces with limited vertical clearance.

Electric Wire Rope Hoists

• Euro Series Wire Rope Hoist: High-quality wire rope hoists with advanced features.
• CD/MD Series: Standard wire rope hoists suitable for various industrial applications.
• HT Series Wire Rope Hoist: Heavy-duty wire rope hoists with capacities ranging from 1t to 20t.

Crane Series

• OverHead Cranes: Designed for overhead lifting and moving heavy loads.
• Gantry Cranes: Suitable for outdoor and indoor use, often used in construction and manufacturing.
• Jib Cranes: Versatile cranes for precise lifting and positioning.
• KBK Crane System: A modular crane system for customized applications.

Manual Lifting Series

• Chain Blocks/Lever Blocks: Manual chain and lever blocks for lighter lifting needs.
• Hand Winch: Manual winches for various lifting tasks.
• Winch: Mechanical winches for pulling and lifting.
• Pneumatic Hoist: Hoists powered by compressed air.

Crane Accessories

• Crane Motor: Electric motors specifically designed for crane operations.
• Crane Wheel: Wheels and components for crane movement.
• Crane End Carriage: End carriages for cranes to ensure smooth operation.
• Crane Kits: Complete kits for assembling and maintaining cranes.

Applications and Industries

LiftHand products are widely applied in various industries, including:
– Mold and Manufacturing: For lifting and moving heavy molds and machinery.
– Shipbuilding: For handling heavy components during ship construction.
– Logistics: For efficient material handling in warehouses and distribution centers.
– Wind Energy: For the installation and maintenance of wind turbines.
– Bridge Construction: For lifting and placing heavy construction materials.
– Other Special Purposes: Including but not limited to, production lines, and other industrial settings.

Quality and Certifications

LiftHand products are produced under strict quality control standards and are certified with:
– ISO 9001: International standard for quality management.
– GB/T19001: Chinese standard for quality management.
– CE Certification: European safety standard.
– GS Certification: German safety standard.

Contact and Support

For any inquiries or to establish a business relationship, clients can contact LiftHand through:
– Email: info@lifthand.com
– Telephone: +86-571-87899062 / +86-571-85130205
– Address: No. 2, Miduqiao Road, Xiacheng District, Hangzhou, Zhejiang, China

Future Developments

LiftHand is continuously working on developing new products and initiatives to support the crane and hoisting industry, ensuring the quality and innovation of their products as they move forward into 2024.

Frequently Asked Questions (FAQs)

What are the key specifications to consider when selecting a chain hoist or crane from China?

When selecting a chain hoist or crane from China, several key specifications need to be considered. The lifting capacity is crucial, as it determines the maximum weight the crane can safely lift. This capacity should include the weight of any removable material handling devices like hooks, grabs, or electromagnetic suction cups. Other important specifications include the lifting speed, which is the vertical displacement speed of the rated load, and the crane travel speed, which is the speed at which the crane moves on its track. Additionally, the working radius, maximum working height, and the type of power source (electric, diesel, or a combination) are essential to ensure the crane meets the specific application requirements.

How do I ensure the quality and reliability of a chain hoist or crane purchased from China?

Ensuring the quality and reliability of a chain hoist or crane from China involves several steps. First, it is important to choose a reputable manufacturer that adheres to high-quality standards. Look for manufacturers that provide detailed product information, including nameplates that specify parameters such as lifting capacity, lifting speed, and working class. Additionally, check for any necessary product licenses and certifications that indicate compliance with safety and quality regulations. It is also advisable to inspect the crane before use, checking for any signs of damage or malfunction, and to ensure that the operator is properly trained and familiar with the manufacturer’s guidelines.

What are the common types of chain hoists available in China, and how do they differ?

China offers a variety of chain hoists, each with distinct features and applications. Manual and electric chain hoists are the most common types. Manual chain hoists rely on human power and are suitable for lighter loads and smaller lifting heights. Electric chain hoists, on the other hand, are powered by motors and can handle heavier loads and higher lifting speeds. Within electric chain hoists, there are classifications such as D8, D8 Plus, and C1, which differ in their safety features and suitability for holding loads over people. For example, D8 hoists require secondary safety devices, while C1 hoists are generally suitable for holding and moving overhead loads over people without additional safety measures.

What are the potential challenges and considerations for importing a chain hoist or crane from China?

Importing a chain hoist or crane from China can present several challenges. One of the main issues is the lead time, as shipping and customs procedures can result in longer delivery times. Language barriers and cultural differences can also complicate communication with Chinese manufacturers, potentially leading to misunderstandings or delays. Additionally, ensuring quality control can be challenging, as there have been cases of substandard products entering the market. Finally, obtaining warranty support or after-sales service can be difficult if the manufacturer is located overseas, highlighting the need to carefully select a reliable supplier.

How should I properly set up and operate a chain hoist or crane to ensure safety and efficiency?

Proper setup and operation of a chain hoist or crane are critical for safety and efficiency. Before use, the crane must be thoroughly inspected for any signs of damage or malfunction, including the hoist, hook, ropes, and controls. The crane should be set up on stable ground, and all safety precautions should be in place, such as using outriggers or stabilizers if necessary. The operator must be properly trained and familiar with the manufacturer’s guidelines. It is also important to ensure that the crane is not overloaded and that all safety devices, such as load limiters and brakes, are functioning correctly. Regular maintenance and adherence to operational guidelines are essential to prevent accidents and ensure the longevity of the equipment.