In the vast and complex network of China’s rail infrastructure, the railway crane stands as a pivotal component, ensuring the smooth operation, maintenance, and emergency response of the country’s rail system. These specialized locomotives, designed to navigate and operate along railroad tracks, are indispensable for heavy lifting tasks, from erecting poles and setting up equipment to handling cargo and rescuing derailed trains.
This in-depth guide delves into the world of railway cranes in China, exploring their types, capabilities, and technological advancements. Readers will gain insights into the different models, such as the 16-ton and 160-ton cranes, each with unique features like self-propelled and towed types, adjustable counterweights, and advanced hydraulic systems. The guide will also cover the manufacturing prowess of Chinese companies like CRRC Qiqihar, which have been at the forefront of developing and innovating railway crane technologies.
Whether you are interested in the technical specifications, operational safety, or the strategic importance of these
Rail Crane
Guide to Crane Rail Specifications and Applications
Introduction
Crane rails are specialized steel rails designed to support the movement and load-bearing requirements of cranes, particularly in industrial, port, and construction environments. Understanding the various types and specifications of crane rails is crucial for selecting the right rail for specific applications.
Types of Crane Rails
Crane rails can be broadly categorized into several types based on their dimensions, load capacity, and material.
Heavy Rails
Heavy rails are used for high-load applications and are characterized by their larger dimensions and heavier weights.
– Dimensions:
– Height: Typically ranges from 134mm to 152mm.
– Bottom width: Ranges from 114mm to 132mm.
– Head width: Ranges from 68mm to 70mm.
– Middle thickness: Ranges from 13mm to 15.5mm[2][4].
– Weight:
– Theoretical weight per meter ranges from approximately 38.73 kg/m to 51.5 kg/m[2][4].
Light Rails
Light rails are used for lower-load applications and have smaller dimensions compared to heavy rails.
– Dimensions:
– Height and bottom width vary but are generally smaller than heavy rails.
– Head width and middle thickness are also smaller, typically ranging from 25mm to 51mm and 7mm to 10.8mm respectively[2].
– Weight:
– Theoretical weight per meter ranges from approximately 8 kg/m to 30 kg/m[2].
Crane Specialized Rails
These rails are specifically designed for crane applications and come in various models such as QU70, QU80, QU100, and QU120.
QU70 Crane Rail
- Dimensions:
- Rail height: 120mm
- Bottom width: 120mm
- Head width: 70mm
- Waist thickness: 28mm
- Material: U71Mn
- Theoretical weight: 52.80 kg/m
- Load capacity: 50-100 tons[1][2][4].
QU80 Crane Rail
- Dimensions:
- Rail height: 130mm
- Bottom width: 130mm
- Head width: 80mm
- Waist thickness: 32mm
- Material: U71Mn
- Theoretical weight: 63.69 kg/m
- Load capacity: Between QU120 and QU70, typically up to 100 tons[1][2][4].
QU100 Crane Rail
- Dimensions:
- Rail height: 150mm
- Bottom width: 150mm
- Head width: 100mm
- Waist thickness: 38mm
- Material: U71Mn
- Theoretical weight: 88.96 kg/m
- Load capacity: Up to 125 tons[2][4].
QU120 Crane Rail
- Dimensions:
- Rail height: 170mm
- Bottom width: 170mm
- Head width: 120mm
- Waist thickness: 44mm
- Material: U71Mn/U75VX
- Theoretical weight: 118.1 kg/m
- Load capacity: 100-400 tons[1][2][4].
Materials and Steel Grades
Crane rails are typically made from high-strength steel grades to ensure durability and resistance to wear and corrosion.
– Common Materials:
– U71Mn: A common material for crane rails, known for its strength and durability[1][2][4].
– U75VX: Used for heavier load applications, such as the QU120 crane rail[1].
Applications
Crane rails are used in a variety of applications, including:
Gantry Cranes
- Used in ports for lifting containers and in large-scale construction projects. Rails like QU70, QU80, and QU120 are commonly used here[1][2].
Overhead Cranes
- Used in factories and warehouses for lifting heavy equipment. Rails such as QU70 and QU80 are often selected based on the crane’s load capacity[4].
Rail Traveling Cranes
- Used in various industrial settings, these cranes require rails that can handle specific load capacities. For example, a 32-ton crane might use a QU70 rail, while a 50-ton crane might use a QU80 or QU100 rail[4].
Selection Criteria
When selecting a crane rail, several factors should be considered:
Load Capacity
- The rail must be able to support the maximum load of the crane. For instance, a QU120 rail can support loads between 100-400 tons[1].
Rail Length
- Standard lengths range from 6 meters to 12 meters, but other lengths can be available upon request[3].
Material and Steel Grade
- The choice of material depends on the required strength, durability, and resistance to wear and corrosion[1][2][4].
Dimensions and Compatibility
- Ensure the rail dimensions are compatible with the crane wheels and the overall system to maintain smooth operation and longevity[3].
Installation and Maintenance
Proper installation and regular maintenance are crucial for the longevity and performance of crane rails.
Installation
- Rails should be laid on a solid foundation and aligned precisely to ensure smooth movement of the crane.
- Proper fastening systems, such as rail fasteners and fishplates, should be used to secure the rails[1].
Maintenance
- Regular inspection for wear and damage is essential.
- Lubrication and cleaning of the rail surface can help reduce friction and extend the life of the rail[1].
Conclusion
Selecting the right crane rail involves a thorough understanding of the rail’s specifications, the crane’s load capacity, and the application environment. By choosing the appropriate rail type and ensuring proper installation and maintenance, you can optimize the performance and safety of your crane system.
Railway Crane, Railroad Breakdown Crane
Guide to Railway Cranes: Specifications and Operational Details
Overview of Railway Cranes
Railway cranes, also known as railroad cranes, are specialized machines designed for heavy lifting and moving tasks, particularly in railway and construction environments. These cranes are equipped with advanced features to handle a variety of loads and operating conditions.
Types of Railway Cranes
While the specific page on Sinotrailers does not delve into multiple types of railway cranes, it focuses on a particular model. However, here is a general overview of common types:
– Double Girder Gantry Cranes: Used for heavy lifting and often found in ports and large construction sites.
– Single Girder Gantry Cranes: Smaller and more versatile, used for lighter loads.
– Railway Breakdown Cranes: Specialized for railway maintenance and repair.
Detailed Specifications of the 160-3 Railway Crane
The 160-3 railway crane is a high-capacity model with the following specifications:
General Specifications
- Maximum Lifting Capacity: 160 tons
- Working Range:
- With landing leg span: 6 x 10.54m
- Without landing leg support: Various configurations up to 15t x 10m
- Overall Dimensions (excluding jib and hook): 12.6m x 3.3m x 4.71m
Operational Specifications
- Lifting Speed:
- With empty load: 0-9m/min
- With load: 0-3m/min
- Luffing Time: ≤1.5 minutes
- Fully Extended Time: ≤1.5 minutes
- Rotating Speed: 0-1 r/min
- Self-Propelled Speed: 12 km/h
- Hauling Speed: 120 km/h
Hook and Lifting Details
- Maximum Lifting Height of the Main Hook: 10.83m – 21.7m
- Maximum Lifting Height of the Second Hook: 16 ± 0.5m (for other models)
- Distance Between Two Lifting Hooks: 12.6m
- Height of the Main Hook: 880 ± 10mm
Mechanical and Structural Details
- Steering Bracket Quantity: 2
- Axle Quantity in Each Steering Bracket: 4
- Wheel Diameter: 840mm
- Turning Radius of the Tail of the Rotating Platform: 5.8m
Operational Considerations
Working Range and Configurations
The crane can operate in various configurations, including with and without landing leg support. The working range varies significantly depending on the setup, from 5.07m to 23.95m.
Safety and Stability
- The crane’s stability and alignment are critical for safe operation. Ensure that the crane is properly set up and that all safety protocols are followed.
- Regular maintenance is essential to maintain the mechanical integrity and performance of the crane.
Installation and Setup
While the Sinotrailers page does not provide detailed installation instructions, here are some general guidelines:
– Alignment: Ensure the crane rail center distance and installing datum line deviation is within specified limits (typically no more than 5mm).
– Support: The crane rail bottom should be solely laying on the beam top. If there is space and the length is greater than 200mm, pads should be used; the pad length should be greater than 100mm, and the width should be 10-20mm wider than the rail bottom.
Conclusion
Railway cranes like the 160-3 model are complex and powerful machines that require careful consideration of their specifications, operational details, and safety protocols. Ensuring proper setup, maintenance, and operation is crucial for safe and efficient use in various industrial and construction environments.
Crane Rail,China Crane Rail Manufacturer
Since the provided websites do not include the specific content from https://www.yyrail.com/crane-rail/
, I will create a comprehensive guide based on general information about crane rails, drawing from the other sources and adding relevant details.
Guide to Crane Rails
Introduction
Crane rails are a critical component in various industrial settings, including ports, harbors, steel and aluminum plants, and logistics facilities. These rails are designed to support the movement of heavy loads and ensure the smooth operation of crane systems.
Types of Crane Rails
Standard Crane Rails
Standard crane rails are made from high-quality steel and are designed to withstand heavy loads and high traffic volumes. Here are some key characteristics:
– Material and Manufacturing: Crane rails are typically made from high-carbon and manganese steel, which provides superior hardness and toughness. The manufacturing process involves steelmaking, continuous casting, rolling, and straightening to achieve the desired properties[2][5].
– Dimensions and Profile: Crane rails come in various dimensions and profiles, including different widths and thicknesses. For example, the 115RE rail has a head width of 2 5/16 inches, a base width of 4 5/8 inches, and a height of 6 inches[1].
Specialized Crane Rails
There are specialized types of crane rails designed for specific applications:
– Patented Track: This type of rail is specifically designed for monorail and crane systems. It features a tee section with high carbon and manganese content, providing maximum strength, flexibility, and durability. Patented track rails are often used in material handling systems and are known for their smooth rolling surface and wear resistance[2].
Applications of Crane Rails
Mainline and Industrial Tracks
Crane rails are used in various industrial and mainline tracks:
– Mainline Tracks: These rails support high-speed passenger trains and heavy freight trains due to their strength, durability, and resistance to wear and tear[1].
– Industrial Tracks: Used in factories, warehouses, and other industrial facilities, these tracks handle slower-moving trains carrying raw materials and finished goods[1].
Switches and Crossings
Crane rails are also used in switches and crossings, which are critical for the safe and efficient operation of railroad networks. These components allow trains to change tracks or cross over other tracks smoothly[1].
Crane Systems
Crane rails are the backbone of crane systems, including:
– Monorail Systems: These systems use patented track rails to provide a smooth and durable surface for the movement of heavy loads[2].
– Overhead Cranes: Crane rails are essential for the operation of overhead cranes in various industrial settings, ensuring stable and efficient load handling[4].
Features and Benefits
Strength and Durability
Crane rails are designed to be strong and durable, making them ideal for heavy-duty applications. They are resistant to wear and tear, reducing the need for frequent maintenance and replacement[1][2].
Compatibility
Crane rails are compatible with a wide range of other rail components, including switches, crossings, and rail fastenings. This compatibility ensures seamless integration into existing rail systems[1].
Smooth Operation
The surface of crane rails is designed to provide a smooth rolling environment, which reduces wear on both the rail and the crane wheels. This results in longer service life and lower maintenance costs[2][4].
Safety and Efficiency
Advanced features such as variable stability limits and load stability systems in crane rails and associated equipment enhance safety and efficiency. These systems monitor the stability of the crane and adjust its capacity accordingly, ensuring safe and reliable operations[3].
Installation and Maintenance
Installation
The installation of crane rails requires careful planning and execution to ensure that the rails are properly aligned and secured. Companies specializing in crane rail installation provide bespoke services to match each client’s specific application[4].
Lubrication
Regular lubrication of crane rails is crucial to reduce wear and tear. Specialized lubrication systems can increase operational and cost efficiency by minimizing rail and wheel wear[4].
Inspection and Testing
Crane rails undergo rigorous inspection and testing during and after manufacturing. This includes non-destructive testing such as ultra-sonic and eddy current testing to ensure the rails meet high standards of quality and safety[5].
Conclusion
Crane rails are a vital component in industrial and rail systems, offering strength, durability, and compatibility. Understanding the types, applications, features, and maintenance requirements of crane rails is essential for ensuring safe and efficient operations in various industries. By selecting the right type of crane rail and following proper installation and maintenance practices, users can optimize the performance and lifespan of their crane systems.
Railway Moving Type Port Lifting Equipment Four …
Since the provided website link is not accessible, I will create a comprehensive guide based on the information available from the other sources regarding Rail Mounted Gantry (RMG) cranes and other relevant port equipment.
Guide to Rail Mounted Gantry (RMG) Cranes and Port Equipment
Introduction to Port Cranes
Port cranes are essential for the efficient handling and transportation of shipping containers within ports, container terminals, and intermodal yards. Among these, the Rail Mounted Gantry (RMG) crane is a critical piece of equipment.
Rail Mounted Gantry (RMG) Cranes
Definition and Function
- Definition: An RMG crane is a type of specialized material handling equipment designed for container handling. It is typically installed on rails, allowing it to move back and forth along a rail track[1][3][5].
- Function: RMGs are used for container loading and unloading, cargo transportation within a port or terminal, and container stacking in depots or yards. They are equipped with spreader or grab attachments for secure lifting and movement of containers or other types of freight[1][3].
Operation of RMG Cranes
- Movement: The central hub of an RMG system is connected to a rail track, enabling the gantry to move along a designated route and position itself over the designated container or cargo. The gantry is supported by wheels or tracks, allowing for horizontal movement and vertical stacking or retrieval of containers[1].
- Operation Modes: RMGs can be operated manually by skilled operators using controls located in a cabin or remotely through a computer system. They can also be automated to perform various functions, including container stacking, cargo transshipment, and integration with conveyors or forklifts[1][3].
Features of RMG Cranes
- Efficient Load Handling: RMGs are designed to handle heavy loads, including intermodal containers, pallets, and other cargo with ease. They have a strong lifting capacity, enabling efficient retrieval, transport, and delivery of shipments[1].
- Versatile Handling: RMGs can handle a wide range of containers and cargo, making them suitable for various logistics and transportation needs. They can load and unload shipping containers from trucks, vans, and trains, ensuring smooth and efficient transfer of goods between different modes of transport[1].
- Flexible Movement: Mounted on rails, RMGs can move along a designated route within a terminal or yard, efficiently transporting containers from the storage area to the loading or unloading zone[1].
Types of Port Cranes
Overview
Besides RMG cranes, there are several other types of port cranes, each serving different purposes:
Rubber-Tired Gantry (RTG) Cranes
- Definition: RTG cranes are gantry cranes outfitted with rubber tires for unimpeded movement around the container yard. They primarily move and stack containers throughout the port after unloading from ships or staging containers for loading operations[2].
- Features: RTGs are powered by diesel engines or electric motors and can be operated manually or automated. They use cable carriers for power and control routing[2].
Ship-to-Shore (STS) Cranes
- Definition: STS cranes, also known as quay cranes, are the largest of port gantry cranes and are used to load and unload containers from ships to the shore or berth. They are installed along the waterside on rails spanning the length of the berth[2].
- Types: There are two main types of STS cranes: low profile and high profile. Low profile STS cranes have a non-pivoting telescopic boom, while high profile STS cranes have a hinged boom for easier navigation during berthing[2].
Tower Cranes
- Definition: Tower cranes are large jib cranes recognized by their height and size. They consist of a base, a tower, and a working arm (jib) that can rotate 360 degrees[2].
- Features: Tower cranes have a counter jib for balance and a lifting hook that moves horizontally and vertically to lift and lower loads. They can be as tall as 1,000 meters and have load capacities ranging from two tons to over 100 tons[2].
Reach Stackers
- Definition: Reach stackers are vehicles used to transport shipping containers. They use a large lifting cradle to grab each end of the shipping container[2].
- Features: Reach stackers offer high flexibility and can stack containers more effectively than forklifts. They can store containers four deep and have a subclass known as “empty stackers” that handle only empty shipping containers quickly and efficiently[2].
Level Luffing Cranes
- Definition: Level luffing cranes are unique cranes that move their loading hook horizontally rather than vertically. This is achieved with a horse-head jib that keeps the hook level[2].
- Use: These cranes are most often used in shipbuilding and loading/unloading ships when a load needs to be kept near ground level while still moved with high precision[2].
Automation and Maintenance
Automation
- Evolution Path: Many modern RMG and other port cranes offer a path to remote operation and full automation. This includes supervised operation and automated functions such as container stacking and cargo transshipment[3].
- Benefits: Automation enhances efficiency, reduces labor costs, and improves safety by minimizing human error.
Maintenance
- Importance: Regular maintenance is crucial to keep port equipment at maximum availability. This includes corrective, preventive, and planned maintenance, as well as remote and predictive maintenance[3].
- Support: Companies like Konecranes offer global support, spare parts distribution, and retrofit options to keep older equipment up-to-date and functioning optimally[3].
Conclusion
Rail Mounted Gantry (RMG) cranes and other types of port equipment are vital for the efficient handling and transportation of shipping containers. Understanding their features, functions, and the various types available can help in optimizing port operations. Automation and proper maintenance are key to ensuring these systems operate at their best, enhancing overall efficiency and safety in port environments.
Glory Rail: China Steel Rail Supplier Flat Bar …
About Glory Rail
Glory Rail is a leading and integrated steel rail supplier based in China, with a history spanning over 20 years. The company initially started with the production of square steel bars and flat steel bars for the crane industry but has since expanded to serve various other industries.
Product Range
Steel Rails
Glory Rail offers a wide range of steel rails tailored to different industries, including:
– Crane Industry: Provides square steel crane rails and flat steel crane rails in various sizes such as 30x40mm, 30x50mm, 40x60mm, and more. They also stock crane rails like 30KG rail, 60KG rail, QU70 crane rail, QU80 crane rail, etc., in different standards (DIN, QU, KP, ISCR, JIS, ASCE)[1][2][5].
– Railway Transportation: Supplies steel rail tracks for railway line construction, including those for BTS and subway systems. These rails often use spring clip fasteners for installation and fixation[1][4].
– Mining Industry: Offers light steel rails-based track systems, commonly used with wooden sleeper spike track foundations[1].
– Port and Marine: Provides rail systems for port machinery and shipyard applications, ensuring compatibility with the environmental requirements of these settings. For marine conditions, they offer rail galvanized paint anti-corrosion processing services[1][2].
– Other Industries: Also supplies steel rails for the steel industry, power plants, and metallurgy industry[1][2].
Rail System Accessories
In addition to steel rails, Glory Rail manufactures and supplies a variety of rail system accessories, including:
– Rail Clips: Used for securing rails to the track.
– Rail Pads: Provide cushioning and support.
– Steel Soleplates: Base plates for rail installation.
– Rail Fasteners: Various types of fasteners for rail installation.
– Crane Stops: Safety stops for crane operations.
– Fish Plates: Used for joining rail sections.
– Anchor Bolts: For securing rails to the ground or structures[1][2].
Industry-Specific Solutions
Rails for Overhead Cranes
These rails are designed for overhead cranes used on factory floors and logistics warehouses. The tracks are typically installed on steel beams and can be integrated with various Glory Rail rail system accessories[1][2].
Rails for Port Cranes
Glory Rail provides track system materials and accessories specifically for port cranes, ensuring they meet the environmental requirements of terminal operations. Customized processing parts and embedded parts are also available along with technical support[1][2].
Rails for Stacker Cranes
For automated warehouses, Glory Rail offers rail systems for stacker cranes, including track materials, auxiliary materials, and track processing services. This includes rails, rail clamps, soleplates, rubber pads, chemical bolts, and grout[2].
Rails for Shipyard
Glory Rail provides track materials and accessories for shipyard and ship repair yard systems, including slideway systems. These are designed to withstand marine corrosive conditions and can be treated with galvanized paint for anti-corrosion[2].
Manufacturing and Quality Assurance
Glory Rail has its own factory that develops, designs, and produces rail system accessories. The company has strong R&D capabilities and reliable quality assurance processes. The accessories processing factory is equipped with the latest forging equipment to ensure high product quality and performance[1][2].
Cooperation and Supply Chain
Glory Rail actively cooperates with major steel rail mills in China, such as Bao Steel, Yongyang Steel, Pan Steel, and Anshan Steel. This cooperation allows them to provide a diversified range of products to meet the needs of different customers[1][2].
Commitment to Customers
Glory Rail is committed to providing comprehensive solutions for the whole rail system, ensuring longer in-service product life, and reducing maintenance and renewal costs for customers. The company focuses on promoting the quality upgrade of Chinese manufacturing and contributing to the development of the world’s industry[1][2].
China Crane Rail Suppliers and Manufacturers
Guide to SINCHOLD Crane Rail and Associated Products
Company Overview
SINCHOLD Port Engineering Co., Ltd. is an integrated company specializing in the design, production, installation, and technical service of rail fasteners. The company is located in the economically prosperous Yangtze delta region of China, specifically in the Huishan Economic & Technological Industrial Development Zone of Wuxi, Jiangsu.
Main Products and Services
Railway and Crane Rail Solutions
- Railway Elastic Rod Series: Designed for various railway applications, these elastic rods provide flexibility and durability.
- Railway Turnout Series: Specialized components for railway turnouts, ensuring smooth and safe track transitions.
- Combined Series of Fastening System: Comprehensive fastening systems for railway tracks, including clips, clamps, and pads.
- Pressing Board Series of Crane Rail: Specifically designed for crane rail applications, these pressing boards ensure secure and stable rail fixation.
- Clamping Plate and Rail: Used to secure rails in place, these clamping plates are essential for maintaining rail integrity.
- Rail Steel Series: High-quality steel rails for various industrial applications.
- Rail Installation Services: Includes steel rail welding and pouring, ensuring a robust and durable rail setup[1][3].
Crane Rail Fixing Clips
Overview
Crane rail fixing clips are a crucial component in ensuring the stability and security of crane rail systems. SINCHOLD offers several types of these clips, each with unique features.
SINCHOLD 8119/15/40 Welded Type Forged Steel Flexible Self-Locking Crane Rail Clips
- Product Introduction:
- These clips are part of a new design scheme that minimizes the required steel plate thickness.
- Made from Q235 or Q345 steel, these clips are designed for better welding performance.
- The clips feature a rubber gasket to increase friction and prevent rail movement[2].
- Key Features:
- Automatic self-locking through a wedge-shaped structure.
- Ensures basic pre-tension and a lasting connection between the rail and the clip base.
- Effective in reducing noise and improving the working environment.
- Suitable for applications with tonnage less than or equal to 800 tons, such as docks, steel mills, and shipyards.
- High adjustment range with symmetrical clip structure to prevent rail deviation.
- Compatible with 8.8 grade M20 bolts, capable of withstanding a maximum force of 120KN[2].
SINCHOLD 3116/13/36 Perforation Type Forged Steel Self-Locking Crane Rail Clips
- Product Introduction:
- These clips are forged from Q235 or Q345 steel and are designed for heavy-duty applications.
- They feature a perforation type design and can withstand forces up to 38 KN (3.9 tonnes).
- The clips are suitable for various crane rail fastening systems and can be used with M16 bolts[4].
- Key Features:
- Designed to handle loads up to 150 tons.
- Used in various applications including H-Beam punching, steel structure construction, and more.
- The perforation type design allows for easy installation and adjustment[4].
Production and Quality Control
Advanced Production Lines
- SINCHOLD employs advanced production lines for elastic bars, road studs, gauge aprons, and die forging.
- The production process combines product design, manufacturing, die forging, and machining to ensure high-quality products[1][3].
Quality Inspection and After-Sale Service
- The company boasts a perfect quality inspection ability and reliable after-sale service.
- Strong technical power and advanced production processes ensure that products meet customer requirements on all fronts[1][3].
International Trade and Market Presence
Export and Markets
- SINCHOLD exports to various regions including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, and Western Europe.
- The company has a significant export percentage, ranging from 71% to 90%[3].
Payment and Delivery Terms
- International Commercial Terms include FOB, CFR, CIF, and EXW.
- Payment terms include LC and T/T.
- Average lead time is one month during peak season and within 15 workdays during off-season[3].
Research and Development
R&D Capacity
- SINCHOLD has a dedicated R&D team with 5-10 staff members.
- The company supports ODM and owns the SINCHOLD brand, focusing on continuous innovation and improvement[3].
Conclusion
SINCHOLD Port Engineering Co., Ltd. is a comprehensive provider of crane rail and associated products, offering a wide range of solutions tailored to various industrial needs. With advanced production capabilities, stringent quality control, and a strong commitment to customer service, SINCHOLD stands as a reliable partner for industries requiring robust and durable rail fastening systems.
Crane Rail with Smart Look
Guide to Crane Rails: Types, Specifications, and Applications
Introduction
Crane rails are essential components in the operation of cranes, guiding them along pre-designated routes and transferring the pressure energy from the crane’s wheels to the foundation. Here is a comprehensive guide to crane rails, covering their types, specifications, and applications.
Types of Crane Rails
Crane rails are broadly categorized into three main types:
Heavy Rails
Heavy rails are designed to handle high loads and are typically used in heavy-duty crane applications. These rails are characterized by their robust dimensions and high weight per meter. Common specifications include:
– 38kg/m: 134mm height, 114mm base, 68mm head, 13mm web
– 43kg/m: 140mm height, 114mm base, 70mm head, 14.5mm web
– 50kg/m: 152mm height, 132mm base, 70mm head, 15.5mm web[1].
Light Rails
Light rails are used for lighter load applications and are often found in smaller crane setups or in environments where the load-bearing capacity is not as high. Specifications include various weights such as:
– 8kg/m: 65mm height, 54mm base, 25mm head, 7mm web
– 12kg/m: 69.85mm height, 69.85mm base, 38.10mm head, 7.54mm web
– 15kg/m: 79.37mm height, 79.37mm base, 42.86mm head, 8.33mm web[1].
Specialized Crane Rails
Specialized crane rails are designed for specific crane applications, offering higher load-bearing capacities and customized dimensions. Examples include:
– QU70: 120mm height, 120mm base, 70mm head, 28mm web
– QU80: 130mm height, 130mm base, 80mm head, 32mm web
– QU100: 150mm height, 150mm base, 100mm head, 38mm web[1].
Specifications and Dimensions
Each type of crane rail has specific dimensions and weight per meter that are crucial for selecting the right rail for a particular application.
European DIN536 Specifications
For European standards, crane rails are specified under DIN536, with dimensions such as:
– A45: 55mm head, 125mm base, 24mm web, 22.1 kg/m
– A55: 65mm head, 150mm base, 31mm web, 31.8 kg/m
– A100: 100mm head, 200mm base, 60mm web, 74.3 kg/m[2].
Material Properties
Crane rails are made from high-strength steel with specific material properties:
– Minimum tensile strength: Up to 880 N/mm²
– Hardness: Up to 340 HB
– Chemical composition: Controlled levels of carbon, silicon, manganese, phosphorus, and sulfur[2][3].
Applications
Crane rails are used in a wide range of industries due to their versatility and load-bearing capabilities.
Industrial Uses
- High-end equipment manufacturing
- Transportation and logistics
- Paper-making
- Energy and power
- Automobiles and ships
- Metal processing
- Aeronautics and astronautics[4].
Crane Types
Crane rails support various types of cranes, including:
– Overhead cranes
– Gantry cranes
– Double girder cranes
– Bridge cranes[4][5].
Installation and Maintenance
Proper installation and maintenance of crane rails are critical for ensuring the safe and efficient operation of cranes.
Installation
- Rails must be aligned and securely fastened to the foundation.
- Regular checks for wear and tear are necessary.
- Custom lengths and finishing operations (such as drilling, cutting, and coating) can be provided to meet specific installation requirements[3].
Maintenance
- Periodic inspection for damage or wear.
- Lubrication of rail surfaces to reduce friction.
- Replacement of worn-out sections to maintain safety and performance[5].
Conclusion
Crane rails are fundamental to the operation of cranes, and understanding their types, specifications, and applications is essential for selecting the right rail for your needs. Whether you are involved in heavy industry, construction, or any other sector that relies on crane technology, this guide provides the necessary insights to ensure your crane operations are safe, efficient, and reliable.
China Steel Rail,Crane Rail,Steel Rail Supplier
Given that the specific website provided does not appear to be accessible, the following guide is compiled based on the available information from other sources about HANZI Industrial International Co., Ltd.
Overview of HANZI Industrial International Co., Ltd.
HANZI Industrial International Co., Ltd. is a China-based joint venture specializing in the manufacture and export of high-quality railway fastening systems and accessories. Here is a comprehensive guide to their products and services:
Company Profile
- Certifications: ISO 9001 certified and qualified overseas-supplier by China Railway Construction Cooperation Limited.
- Quality Control: Intensive quality control networks, strict production rules, and inspection standards.
- Global Presence: Exports to over 35 countries across six continents.
- Partnerships: Distributor in Brazil and listed as a premium supplier on Alibaba[1][3][4].
Railway Track Accessories
Steel Rails
- International Standards: Offers steel rails complying with various international standards such as UIC, AREMA, JIS, ISCOR, EN13674-1, DIN536, GB11264-2012, GB2585-2007, and YB222-63.
- Types: Heavy steel rails (e.g., UIC54, UIC60), light steel rails (e.g., 9kg, 12kg), and crane railway rails (e.g., A45, A55)[1].
Rail Clips and Clamps
- Elastic Rail Clips: Used for fastening track elements on heavy steel rails. Available in ‘E’ and ‘W’ shapes, as well as Russian spring clips.
- Boltable and Weldable Clamps: Suitable for light and crane rails, used in hoist, mining, seaport, airport, tunnel, and industrial rail systems[1].
Fishplates and Baseplates
- Steel Rail Fishplates: Also known as joint bars, used on both heavy and light railway lines. Fastened with fishtail or track bolts.
- Baseplates: Produced through casting, forging, and rolling. Available in single shoulder, double shoulder, and hook twin configurations[1].
Rail Spikes and Bolts
- Screw Spikes: Include railway sleeper and double-ended screw bolts.
- Track Spikes: Include steel dog, lock, and anchor types.
- Bolts and Nuts: Features fish bolts and nuts, square-head fishtail, pyramid-head, and T bolts[1].
Additional Products
Rail Maintenance Machines
- Rail Grinding Machines: Electric rail grinders and battery-powered rail profile grinders.
- Rail Tamping Machines: Portable and hydraulic rail tamping machines for track maintenance.
- Other Equipment: Includes rail thermometers, digital track level gauges, hydraulic rail gap adjusters, and rechargeable lithium battery-powered impact wrenches[2][3].
Locomotives and Wagons
- Locomotives: Battery electric locomotives for pulling wagons.
- Mining Wagons: Mining wagons and rail mine cars[2].
Miscellaneous Accessories
- Rubber Pads: High-quality railway rubber elastic plates.
- Rail Anchors: Used for securing rails in place.
- Railway Signal Equipment: Includes portable 3-color chargeable railway signal lights and railway digital track level gauges[2][4].
Manufacturing and Quality Control
- Joint Venture Factories: HANZI has multiple joint-venture factories located in Jiangsu, Hunan, Shandong, and Henan provinces, equipped with full sets of railway fastening machines and production lines.
- Quality Assurance: Professional and experienced staff are involved in all manufacturing procedures to ensure strict quality control and adherence to international standards[1][3].
Global Market Presence
- Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, and South Asia.
- Distribution: Products are distributed through various channels, including a distributor in Brazil[2][3].
This guide provides a detailed overview of HANZI Industrial International Co., Ltd.’s products, manufacturing processes, quality control measures, and global market presence, addressing the comprehensive needs of users seeking information on railway fastening systems and accessories.
China 50T Railway Crane Manufacturers, Suppliers
Since the specific website content from https://www.cnthhi.com/port-crane/port-travelling-crane/50t-railway-crane.html
is not provided, I will create a comprehensive guide based on the general specifications and features of a 50-ton rail-mounted gantry crane (RMG), using information from similar sources.
50-Ton Rail Mounted Gantry Crane Guide
Introduction
A 50-ton rail-mounted gantry crane (RMG) is a sophisticated piece of equipment designed for efficient, secure, and automated handling of containers in ports, freight yards, and other logistics facilities. This guide provides an in-depth look at the key specifications, features, and operational aspects of these cranes.
Key Specifications
Load Capacity
- The primary specification of a 50-ton RMG crane is its load capacity, which is typically 50 tons under the spreader[1].
Span
- The span of the crane, which is the distance between the two legs, can vary but is commonly between 22-35 meters to match container rows accurately[1].
Lifting Height
- The lifting height of these cranes ranges from 12.3 to 21 meters, allowing for the stacking of multiple containers[1].
Lifting Speed
- The lifting speed of a 50-ton RMG crane is generally between 9.2 and 12.5 meters per minute, ensuring efficient container handling[1].
Trolley and Crane Running Speeds
- The trolley running speed is typically between 45-56 meters per minute, while the crane running speed is between 42-50 meters per minute[1].
Work Duty
- The work duty classification for these cranes is often A6 or A7, indicating their ability to handle heavy loads frequently[1].
Structural Components
Gantry Frame
- The gantry frame is the main structure of the crane, consisting of rigid and flexible legs. For small and medium spans, a single-degree-of-freedom hinged connection is used, while large-span cranes use a three-degree-of-freedom hinged connection for stability[1].
Trolley Structure
- The trolley is mounted on the main girder and moves along it, carrying the spreader or other lifting devices. It is designed for smooth and precise movement to ensure accurate container placement[1].
Legs and Wheels
- The legs of the crane are designed to bear the skew forces caused by asynchronous operation. The wheels are typically designed for rail mounting, ensuring stable and smooth movement along the rails[1].
Electrical and Control Systems
Electrical System
- The electrical system of a 50-ton RMG crane includes motors, control panels, and safety devices. It is designed for reliable and efficient operation, often with automated features for precision and safety[5].
Control and Automation
- Modern RMG cranes often come with advanced control systems, including automated stacking and retrieval systems, anti-collision systems, and remote control options to enhance efficiency and safety[1].
Operational Features
Container Handling
- These cranes are optimized for container handling, with features such as spreaders that can grip and lift containers securely. They are capable of stacking containers to high levels, making them ideal for container yards and ports[1].
Safety Features
- Safety is a critical aspect of RMG crane design. Features include stable brakes, precise positioning systems, and various safety sensors to prevent accidents and ensure reliable performance[3].
Customization
- Many manufacturers offer custom designs to fit specific operational requirements. This can include varying spans, lifting heights, and additional features such as specialized rail gear or high-capacity digging equipment[1][2].
Maintenance and Durability
Structural Integrity
- The cranes are built with heavy-duty materials and robust structures to ensure long service life. The design often includes features to disperse stress and maximize chassis life[2].
Regular Maintenance
- Regular maintenance is crucial for the longevity and performance of the crane. This includes routine checks on electrical systems, mechanical components, and structural integrity[1].
Conclusion
A 50-ton rail-mounted gantry crane is a vital piece of equipment in modern logistics and container handling operations. With its high load capacity, efficient lifting speeds, and advanced control systems, it significantly enhances the efficiency and safety of container handling and stacking operations. Understanding the specifications, structural components, and operational features of these cranes is essential for selecting and maintaining the right equipment for your operational needs.
China 43kg/m heavy rail U71Mn for crane
Guide to 43kg/m Heavy Steel Rail U71Mn
Overview
The 43kg/m heavy steel rail, specifically the U71Mn type, is a critical component in the construction and maintenance of railway tracks and crane systems. Here is a detailed guide to this product.
Material and Composition
- Material: The 43kg/m heavy steel rail is made from high-strength steel, primarily using the U71Mn and 50Mn grades.
- Composition: These steel grades are known for their high manganese content, which enhances the rail’s strength, durability, and resistance to wear and tear.
Specifications
Dimensions
- Rail Height: 140mm
- Bottom Width: 114mm
- Head Width: 70mm
Weight
- Weight per Meter: 44.653 Kg/m
Length
- Standard Lengths: Available in lengths of 12m and 12.5m
Standards and Compliance
- Standard: Manufactured according to the Chinese standard GB2585-2007.
- International Compliance: While primarily adhering to Chinese standards, these rails can also meet other international standards such as AISI, BS, DIN, ASTM, and JIS, depending on the supplier and specific requirements.
Applications
- Railway Tracks: These heavy steel rails are the main components of railway tracks, providing the necessary support and stability for rail traffic.
- Crane Systems: They are also used in crane systems due to their high strength and durability, ensuring safe and efficient operation.
Production and Supply
- Production Capacity: Manufacturers typically have a production capacity of around 5000 tons per month.
- Suppliers: Various suppliers in China offer these rails, ensuring a consistent supply chain for both domestic and international markets.
Key Features
Strength and Durability
- The U71Mn and 50Mn steel grades provide high strength and durability, making the rails suitable for heavy-duty applications.
- The rails are designed to withstand significant loads and stresses, ensuring long-term performance.
Resistance to Wear and Tear
- The high manganese content in the steel enhances the rail’s resistance to wear and tear, reducing the need for frequent maintenance.
- This feature is particularly important for railway tracks and crane systems where continuous operation is crucial.
Compatibility
- The rails are compatible with various types of railway and crane systems, making them versatile for different applications.
Conclusion
The 43kg/m heavy steel rail U71Mn is a robust and reliable component essential for the construction and maintenance of railway tracks and crane systems. With its high strength, durability, and resistance to wear and tear, it is an ideal choice for heavy-duty applications. Understanding its specifications, standards, and applications can help in making informed decisions for procurement and use.
Frequently Asked Questions (FAQs)
What are the key parameters included on the nameplate of a crane in China?
The nameplate of a crane in China includes several critical parameters that provide essential information about the crane’s capabilities and specifications. These parameters include the Product License Code, which is a unique code required for the production of special equipment like cranes; the Type, which indicates the specific model of the crane; the Lifting Capacity, which is the maximum weight the crane can lift under normal working conditions, measured in tons or kilograms; the Lifting Speed, which is the vertical displacement speed of the rated load, measured in meters per minute; and the Crane Travel Speed, which is the speed at which the crane moves along its track.
What are the specifications and requirements for crane rails in China?
Crane rail specifications in China are stringent to ensure safe and efficient crane operations. These specifications include the type, size, and dimensions of the rails, which must match the requirements of the crane to provide proper support and stability. The rails are typically made of steel with high tensile strength and resistance to wear and fatigue. The dimensions, such as height, base width, and head width, are critical and must be manufactured to specified tolerances. The surface finish of the rail is also important, requiring techniques like grinding or machining to eliminate irregularities and ensure smooth crane movement. Installation specifications, including the rail fastening system, alignment, and anchoring, are also crucial for the stability and performance of the crane rail system.
What types of crane rails are commonly used in China, and what are their characteristics?
In China, crane rails are categorized into specific types based on their standards and applications. The most common type is the crane rail specified by the YB/T5055-93 standard, which includes rails such as QU70, QU80, QU100, and QU120. These rails are characterized by their lower height, wider head, and thicker waist compared to heavy rails used in railway systems. They are made from materials like U71Mn, which provides the necessary strength and durability for crane operations. Each type of crane rail has specific dimensions and nominal weights, such as the QU70 rail with a height of 120mm, base of 120mm, and nominal weight of 52.8 kg/m.
How do the working class and load/duty class affect the selection and operation of crane components in China?
The working class and load/duty class of crane components are critical factors in their selection and operation. The working class, often denoted by FEM or ISO classifications (e.g., FEM 2m=ISO M5), indicates the frequency of use and the size of the load the component can handle. This classification ranges from M1 to M8, with M8 being the most demanding. The load/duty class determines the crane’s suitability for various applications based on its lifting capacity and the frequency of operations. For example, a higher working class means the crane can handle more frequent and heavier loads, making it essential to match the crane’s components with the intended application to ensure safe and efficient operation.
What maintenance and inspection requirements are necessary for crane rail systems in China?
Regular maintenance and inspections are vital for the safe and efficient operation of crane rail systems in China. The process involves a comprehensive inspection of the rail system to check for signs of wear, corrosion, or damage. Any discrepancies or deficiencies must be addressed promptly to prevent accidents or operational disruptions. Proper installation is also crucial, with strict adherence to specifications such as the rail fastening system, alignment, and anchoring. Regular checks should include monitoring the condition of the rails, anchorages, and connections, and ensuring that all installation and maintenance procedures are carried out under the supervision of qualified personnel following industry best practices and safety standards.