Mechanical safety devices on electric overhead cranes
2021-11-12 11:03
1. Railings at various locations: To protect the safety of the staff and prevent accidents caused by accidental falls. Railings of no less than 1m are installed on the outside of the walkway, the end beam and the trolley.
2. Hook safety card: To prevent the wire rope from slipping out of the hook head when the crane lifts objects due to the large distance between the two ends or the large force.
3. Track end baffles: The end baffles on both sides of the trolley and the trolley are to prevent accidents caused by the trolley and the trolley being offside;
4. The trolley busbar baffle is to prevent electric shock accidents caused by the hook swinging offside.
5. Buffer: Working in conjunction with the end baffle (collision block) is to reduce the impact when the trolley collides with the car, and the car collides with the track end collision block (mostly the buffers used for cranes are spring-type).
6. Track sweeping plate: To prevent foreign objects from being on the track, the track sweeping plate pushes the foreign objects to both sides.
7. Protective cover: Fast transmission shaft cover, hook cover, pulley block cover, etc., are used to protect the safety of moving parts, ensure the safety of personnel, and prevent collision damage to cast iron parts.
8. Fire extinguisher in the cab: a necessary item to prevent electrical circuit fires, usually a powder fire extinguisher.
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