Single Girder Overhead Travelling Crane

This Single Girder Overhead Travelling Crane is ideal for applications that require high lifting capacities and long spans. It is also highly efficient and can be operated with ease, making it a popular choice for many industrial facilities.

 

The Single Girder Overhead Travelling Crane is available in a range of capacities, ranging from a few tons up to several hundred tons. It is also available with various lifting heights and spans, allowing it to be customized to meet the specific needs of each application.

 

The crane is equipped with a number of safety features, including overload protection, emergency stop buttons, and safety devices that prevent collisions and ensure safe operation.

 

Overall, the Single Girder Overhead Travelling Crane is a reliable and cost-effective solution for handling heavy loads in industrial settings.

• Capacity: 1-20ton
• Capacity: 3.2-80ton
• Span length: 4-31.5m
• Lifting height:customized according to clients' site conditions
• Work duty: FEM Standard A5
• Raged voltage: 220V~690V, 50-60Hz, 3ph AC
• Protection class: IP54 IP55
• Crane control mode: Pendantcontrol / Remote control / Cabin control

 

 

1. Whole set crane

Single girder overhead travelling crane is a type of industrial crane that is designed for lifting and transporting heavy loads. It consists of a single girder that spans the width of the facility and is supported by a pair of end trucks that are mounted on tracks. The girder is typically made of steel, and it supports a hoist that can be used to lift and move heavy objects. The crane is controlled by an operator who uses a pendant control or radio remote control to move the hoist and the crane along the tracks. Single girder overhead travelling cranes are commonly used in manufacturing facilities, warehouses, and shipping yards to move heavy materials and equipment. They are designed to be highly durable and reliable, with a long service life and minimal maintenance requirements.

 

2. Main girder

1) The main girder of a single girder overhead travelling crane is the primary structural component that supports the load and other crane components. It consists of a horizontal beam that runs the length of the crane and is typically made of steel.

2) The main girder can be designed in a variety of configurations to suit the specific needs of the application, such as the span length and the weight capacity required. The design will take into account factors such as the type of load being lifted, the number of lifts per hour, and the working environment.

3) The main girder will typically feature an open design with cross bracing to provide lateral stability and prevent swaying. It may also incorporate trolley rails that run the length of the girder for the trolley to move along.

4) In a single girder overhead travelling crane, the main girder is supported by end trucks that run along the runway beams. The end trucks include wheels or casters that allow them to move along the runway beams and support the load as it is moved from one location to another.

5) Overall, the main girder is a critical component of a single girder overhead travelling crane, providing the necessary strength and support to enable safe, efficient lifting operations.

 

3. Electric Wirerope Hoist

1) A single girder electric wire rope hoist consists of a single horizontal beam (girder) that supports the weight of the hoist and the load being hoisted. The hoist is equipped with a wire rope that is wound around a drum and attached to a lifting hook.

2) The electric wire rope hoist is powered by an electric motor which drives a gearbox to provide the torque required to lift the load. The gearbox is connected to the drum through a system of gears and provides the necessary reduction in speed to ensure the wire rope does not slip or become damaged during operation.

3) Single girder electric wire rope hoists are commonly used in factories, warehouses, and other industrial settings where heavy loads need to be lifted and moved. They are typically operated by a remote control which allows the user to control the lift and descent of the load from a safe distance.

4) Overall, the single girder electric wire rope hoist is a reliable and efficient way to lift and move heavy loads in an industrial setting. Its compact size and ease of operation make it a popular choice for many businesses.

 

4. End Carriages

1) Single girder overhead travelling crane end carriages are the components of a single girder overhead travelling crane that support the crane girder and allow it to travel along the runway rails. End carriages are designed to provide a stable and smooth running surface for the crane girder, ensuring that it moves efficiently and safely.

2) Typically, the end carriage assembly includes a frame, which supports the crane girder and provides a mounting point for the hoist trolley. The frame is also equipped with a set of wheels that run along the steel rails of the runway. Depending on the application, end carriages can be either push or pull, meaning they are equipped with either a motorized drive system or a manual system that allows the crane operator to move the crane along the rails.

3) The end carriage assembly is often one of the most critical components of an overhead crane, as it is subject to high levels of stress and strain during normal operation. As such, end carriages must be carefully designed and manufactured to ensure durability, strength, and reliability. In addition, end carriages must also be regularly inspected and maintained to ensure that they are operating safely and efficiently.

 

5. Crane wheel

1) The crane wheel is one of the key components of the single girder EOT crane, and is used to support and guide the trolley along the runway. It is typically made of high-strength steel with a durable surface coating, and is designed to withstand the heavy loads and constant wear and tear of industrial use.

2) The crane wheel is mounted on a bearing assembly that allows it to rotate easily, and can be adjusted to ensure smooth and precise movement of the trolley along the runway. It is often one of the most critical parts of the crane, and requires regular maintenance and inspection to ensure reliable and safe operation.

3) The high quality wheel set is made of 45# steel die forging, roughing, conditioning and finishing. The hardness of heat treatment is HB305 ~ 385, and the hardness of hardening layer at 18mm depth is not less than HB250. The wheel shaft is made of 45# steel, which is roughed, tempered and finished. The hardness of heat treatment is 250 ~ 280HB.

 

6. Crane hook

The hook on a single girder eot crane is an essential component that suspends the load and allows it to be lifted and transported. It is typically attached to a steel rope or chain that is connected to the hoist, which is responsible for raising and lowering the load. The hook is designed to securely grasp the load and maintain a certain angle to prevent slipping or tipping during transit. Hooks on single girder overhead cranes are available in a variety of sizes and capacities to accommodate different applications. They should always be inspected regularly and maintained to ensure safe operation.

 

7. Motor

The crane motor is an important component of a single girder overhead travelling crane. It is responsible for providing power to the crane to move the load horizontally along the runway. The motor is usually an AC motor that is designed to provide high torque at low speeds, which is necessary for lifting and moving heavy loads. The motor is connected to a gear box, which reduces the motor speed and increases the torque. This allows the crane to lift and move heavy loads with ease. The motor is controlled by a variable frequency drive (VFD) to ensure precise and smooth movements of the crane. The size and capacity of the motor depend on the load capacity of the crane and the speed required for the application.

 

8. Sound and light alarm system and limit switch safety device

1) Every crane will be equipped a sound and light alarm system and so that it is an effective way to keep people safe in emergency situations. It is important to ensure that the system is regularly tested and maintained to ensure that it is in good working order.

2) The limit switch can be widely used in three - dimensional control and travel limitation of hoisting machinery, and it can protect the crane.

 

9. Safety Device

There are various safety devices that can be implemented on a single girder overhead travelling crane, including:

 

1) Limit switches: These switches are placed at both ends of the crane's runway, and they ensure that the crane does not run off the track. They can also be used to set upper and lower limits for the crane's travel.

2) Emergency stop button: This button instantly stops the crane in case of an emergency, protecting both the operator and the load.

3) Overload protection: This device prevents the crane from hoisting or moving loads that exceed its rated capacity. It can be implemented using load cells or pressure sensors.

4) Collision avoidance system: This system uses sensors to detect obstacles in the crane's path and stop the crane's movement to avoid collisions.

5) Anti-derailment device: This device prevents the crane from derailing in case it runs off the track. It can be implemented using rail clamps or rail sweeps.

6) Warning alarms and lights: These devices warn people in the area that the crane is in operation and help prevent accidents.

7) Remote control emergency stop: This device allows the operator to stop the crane remotely in case of an emergency.

Implementing these safety devices can help protect workers, prevent damage to the load, and prolong the life of the crane.

 

10. Control Mode

The control system for a single girder overhead travelling crane typically includes the following components:

1) Hoist control: This controls the lifting and lowering of the load using an electric motor-driven hoist unit.

2) Bridge control: This controls the lateral movement of the crane along the length of the runway by driving the bridge motor.

3) Trolley control: This controls the forward and backward movement of the trolley along the girder, which is driven by a trolley motor.

4) Pendant control: This is a handheld remote control device that allows the operator to manually control the crane.

5) Safety features: The control system also includes various safety features such as overload protection, limit switches, and emergency stop buttons to ensure safe operation of the crane.

6) Power supply: The control system is powered by an electric power supply, typically a three-phase AC motor, which converts the energy into high-voltage power that drives the motors for hoisting, bridging, and trolley movement.

7) Overall, the control system is designed to ensure that the crane operates safely, efficiently, and reliably, while providing the operator with precise and easy-to-use controls for manipulating the load.

 

11. Sketch

 

 

 

 

There are several advantages of a single girder overhead travelling crane:

 

1. Reduced cost: Due to their simple design and lightweight construction, single girder overhead travelling cranes are less expensive than double girder cranes.

2. Easy installation: The installation of a single girder crane is comparatively easier and quicker as compared to double girder cranes.

3. Lower headroom requirement: As the single girder crane has a lower headroom requirement, it is not necessary to have high ceilings in the manufacturing plant.

4. Lightweight construction: The single girder crane is lightweight in construction, resulting in less stress on the building structure.

5. Low maintenance: The reduced number of moving parts in the single girder crane means less maintenance compared to a double girder crane.

6. Ideal for light loads: The single girder crane is ideal for light loads up to 20 tons, making it perfect for small manufacturing organizations.

7. High efficiency: The single girder crane offers efficient material handling capabilities, reducing labor cost and increasing productivity.

 

 

A single girder overhead travelling crane is a popular type of crane used in various applications where materials need to be lifted and moved from one location to another. Here are some common applications of single girder overhead travelling cranes:

 

1. Manufacturing and production facilities: Overhead cranes are commonly used in factories and production plants to move raw materials, finished products, and heavy machinery from one location to another. They are particularly useful for lifting and positioning heavy and bulky items, which would be difficult or impossible for workers to move manually.

2. Warehousing and storage facilities: Overhead cranes are also commonly used in warehouses and storage facilities to move heavy items around for storage or loading onto trucks for transportation. They are particularly useful in multi-level storage facilities where items need to be moved between floors and levels.

3. Construction sites: Single girder overhead travelling cranes are also used in the construction industry for building projects. They are used to move heavy equipment and materials around the construction site, such as steel beams, concrete blocks, and piping.

4. Shipping and logistics: Overhead cranes are also used in shipping ports and logistics centers to move cargo containers and heavy goods onto and off ships or trucks. They are particularly useful for handling delicate and expensive cargo.

5. Power generation: Overhead cranes are used in power plants for maintenance and repair work. They are used to move heavy machinery and equipment around, such as turbines and generators.

In summary, single girder overhead travelling cranes are versatile machines that can be used in a variety of industries and applications where heavy lifting and moving is required.

 

 

 

 

 

 

The company has installed an intelligent equipment management platform, and has installed 310 sets (sets) of handling and welding robots. After the completion of the plan, there will be more than 500 sets (sets), and the equipment networking rate will reach 95%. 32 welding lines have been put into use, 50 are planned to be installed, and the automation rate of the entire product line has reached.

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