Maintenance of hook type pulley block

Time:2019-03-28
The hook type lifting block is a kind of common lifting equipment. The daily maintenance of the block is very important, which can eliminate most of the safety hazards.


The hook type lifting block is a kind of common lifting equipment. The daily maintenance of the block is very important, which can eliminate most of the safety hazards. Daily inspections and maintenance include the following:

1. Keep the hook clean

2. Lubricate the pulley, the rotating part and the other grease fittings.

3. Check all bolts and screws to ensure that all the split pins are complete and the latch can be opened.

4. Check if the pulley wheel groove and rim wear are even, whether the wire rope matches the wheel groove, and whether the pulley is loose or swaying.

5. Make sure that the rotating part of the hook is free to rotate and the gap should not be too large. If the rotation is difficult or there is a feeling of jamming, it is necessary to check whether the bearing bushing is damaged or insufficiently lubricated.

6. Check for overload damage to the main hook.

7. Check if the side plate is stretched, the hole diameter is elongated, the bolt is bent or elongated, and the crack is broken.

8. Check the anti-decoupling device

Carry out the daily maintenance and eliminate the hidden danger is not only responsible for the progress of the project, but also responsible for the life and property of the construction personnel.