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Safety devices and operation requirements for overhead cranes

Views:2     Author:Site Editor     Publish Time: 2019-09-17      Origin:Site

Before the bridge crane is driven, the hooks, wire ropes, safety devices and other components should be inspected according to the requirements of the check card. If abnormal conditions are found, they need to be excluded. Ground-operated single-girder bridge cranes, each class should have a person responsible for checking according to the requirements of the check card, and abnormal conditions should be excluded.

The operator of the overhead crane must confirm the walking or when there is no one on the track, so that the main power can be closed. When the power circuit breaker is locked or there is a sign, it should be closed by the original person concerned and can be closed. main power.

Bridge crane steps

1. When lifting heavy objects once per shift (or when the load reaches a large weight), the weight should be put down after lifting the height of 0.5 m from the ground, check the performance of the brakes, and confirm the reliability before proceeding with normal operation.

 

2. Strictly implement the system of "ten not hanging":

A. The command signal is unknown or the command is not suspended;

B. Does not hang when it exceeds the rated lifting capacity;

C. The spreader is used unreasonably or the object is not tied up;

D. Some people on the hanging object or other floating items are not hanging;

E. Brakes or other brake safety devices fail to hang;

F. Driving hanging heavy objects are not directly hoisted when processing;

G. Has explosive objects not hanging;

H. Buried in the underground objects are not hanging;

I. With angular block objects, not padded.

 

3. If abnormality is found, stop immediately, cut off the power supply, check the cause and eliminate it in time.

Before the work of the bridge crane, the single girder bridge crane with the cab and the driver should check the hooks, wire ropes and other components according to the requirements of the check card before starting the drive. If abnormal conditions are found, they should be excluded. Ground-operated single-girder bridge cranes, each class should be responsible for inspection according to the requirements of the inspection card, and abnormal conditions should be excluded.

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