Best Gantry Crane

Double girder best gantry crane

 

Double girder best gantry crane are generally used in conjunction with winch trolley, its metal structure is like a door-shaped frame, and two feet are installed under the bearing main beam. It can walk directly on the track, and the two ends of the main beam can have outstretched cantilever beams.

 

It has high site utilization, large operating range, wide adaptability and strong versatility, it is widely used in the port cargo yard. According to different working conditions, the working level can reach A5-A8.

 

2. Parameters:

 

When purchasing a Double girder best gantry crane, please provide the following data so that we can confirm your needs faster!

 

① Lifting weight;

 

② Span (track center to guide rail center);

 

③ Lifting height (hook center grounded);

 

Other special requirements. If you have more detailed information, please let us know and we will give you a more accurate price!

3. Component:

 

Gantry crane mainly includes lifting mechanism, operating mechanism, luffing mechanism, slewing mechanism and metal structure, etc.

 

The hoisting mechanism is the basic working mechanism of the gantry crane. It is mostly composed of a hanging system and a winch, and some also use a hydraulic system to lift and lower heavy objects.

 

The operating mechanism is used to transport heavy objects longitudinally and horizontally or adjust the working position of the gantry crane. It is generally composed of a motor, reducer, brake and wheel.

 

The metal structure is the skeleton of the gantry crane. The main load-bearing parts such as bridges, booms and gantry can be box structures, truss structures, or web structures, and some can use shaped steel as supporting beams.

 

4. Applicable Environment:

 

China Double girder best gantry crane with Single Winch Trolley is widely used in factories, docks, cargo yards and other places for heavy cargo transportation and loading and unloading operations. It can adapt to various complex operating environments, such as high temperature, humidity, open air, etc. Specific application scenarios include:

 

Factory production line: Double girder best gantry crane can be used for material handling, loading, unloading and stacking on the factory production line.

 

Terminals and cargo yards: The Traveling Double girder best gantry crane can be used for cargo loading, unloading, stacking and transshipment at docks and cargo yards, which can improve loading and unloading efficiency and reduce labor costs.

 

Steel, aviation, shipbuilding and other industries: Double girder best gantry crane can be used for material handling, loading, unloading and maintenance in steel, aviation, shipbuilding and other industries.

 

best gantry crane operation method

1. When lifting heavy objects, the hook wire rope should be kept vertical, and the lifted object is not allowed to be dragged diagonally.

2. The center of gravity of the lifted heavy objects should be accurately determined and tied firmly. Sharp angles should be padded with wooden skids.

3. The crane is not allowed to rotate before the heavy object is lifted off the ground.

4. When lifting or lowering heavy objects, the speed should be even and steady to avoid sudden changes in speed, which may cause the heavy objects to swing in the air and cause danger. When dropping heavy objects, the speed should not be too fast to avoid breaking the heavy objects when they hit the ground.

5. When the crane is lifting a heavy load, try to avoid the lifting arm. When the boom must be lifted while lifting, the lifting weight shall not exceed 50% of the specified weight.

6. When the crane rotates while lifting a heavy load, you should pay close attention to whether there are any obstacles around it. If there are any obstacles, try to avoid or remove them.

7. No one should stay under the crane boom, and try to avoid people passing through.

8. When two cranes operate on the same track, the distance between the two cranes should be greater than 3m.

9. When two cranes lift an object together, the lifting capacity shall not exceed 75% of the total lifting capacity of the two cranes, and the walking and lifting movements of the two cranes must be consistent.

10. Lifting and luffing wire ropes need to be inspected once a week and records should be kept. Specific requirements must be implemented in accordance with relevant regulations on lifting wire ropes.

11. When the truck is running or turning without an empty vehicle, the hook should be at least 2m above the ground.

12. When the wind force exceeds Level 6, work should be stopped immediately. TMK should turn the boom to the downwind direction and lower it appropriately, and hang the hook firmly. The gantry crane must have an iron wedge (rail stop) and raise the hook to the upper limit. At the same time, close the doors and windows, cut off the power supply, and pull the wind rope. This should also be done after you finish your daily work.

13. It is strictly forbidden to stack miscellaneous objects on the crane platform to prevent them from falling and injuring people during operation. Frequently used tools should be placed in a special tool box in the operating room.

14. During operation, it is not allowed to change speed suddenly or reverse the vehicle to avoid causing heavy objects to swing in the air. It is also not allowed to operate more than two operating mechanisms (including auxiliary hooks) at the same time.

15. When driving, the operator's hands must not leave the controller. If a malfunction occurs suddenly during operation, measures should be taken to safely lower the heavy object, then cut off the power supply and carry out repairs. Inspection and maintenance during operation is strictly prohibited.

 

 

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