Girder gantry crane for sale has two types, single girder gantry crane and double girder gantry crane. These two cranes have same points and difference. They are both functional lifting solution, widely used for loading, unloading and transporting material in warehouse, construction site. AIMIX Group, a professional girder crane supplier in China, provides top quality girder crane for sale. Choose our cranes to improve working condition, increase efficiency, save energy and cut crane cost.
This kind of crane has simple structure, easy producing, fast installation and light weight. Its main girder is designed as box type structure. Compared with double girder gantry crane, single girder types has smaller loading capacity. Thus lifting ton is less than 50t, span is less than 35m, take single girder type crane.
Double beam crane has stronger loading capacity, wider span, better stability and more types. Due to the top quality and heavy weight, double girder is more expensive than single girder crane. According to main girder structure, it can be divided into two types, box type and truss type. Box gantry crane has wider application.
First is safety device of trolley lifting mechanism and travelling mechanism. Brake device is installed on the high-speed shaft of transmission device. The wind anchor device and overload protection device.
Second is safety device of the whole crane. Emergency stop switch and wind anchor device can make it convenient to repair and check the equipment and walking board.
Third is brake device. It must be effective and reliable.
Fourth is lifting limiter. It should have good performance.
Fifth is wire rope. It has good lubrication, no kink, flattening, bending, stocks, cage distortion, and broken core.
Sixth is special hook. It doesn’t have any crack.
Seventh is electric motor reducer, it works without abnormal sound.
Eighth is failure alarm device, it can show the failure types and position.
Ninth is buffer, it is reliable and installed firmly.
Tenth is hydraulic braking system, it doesn’t has oil leakage or oil spill. It is flexible and effective.
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