What are the hazards of crown block?

1 ground fault.

2. Live working in violation of operating procedures.

3, leakage protector failure.

4. Hook, hanger and wire rope are in contact with the sliding line.

5. Someone is standing on the hanger.

6, hook limit or big, car limit failure.

7, in violation of operating procedures.

8. Misoperation.

9, brake failure.

10, the rope for lifting heavy objects does not meet the safety requirements, the hook does not rise to a safe height after the lifting operation is completed, the traveling parts fall, and the lifting mechanism slips;

The above factors are easy to cause electric shock injury, lifting injury, falling from high altitude and fire accident.

Extended data:

Operation preparation of crown block

1, the crane operator must pass the physical examination before taking up his post. Anyone suffering from heart disease, hypertension, eye and ear diseases may not be a crane driver.

2, after special training, examination, the labor department can manipulate.

3. Wear labor protection articles correctly before work.

4, completes the shift record, ask about the operation of the equipment in the work, and check to confirm that it is consistent with the record before the shift.

5, check the wire rope, mechanical, electrical, braking, limit, bell jar, lubrication, ten safety devices, etc.

References:

Baidu encyclopedia-crown block

References:

Safety management network-hazard identification of ground control crown block