Safety inspection items of crane accessories

Release time:2023-04-26

1) crane hook.

Check whether the mark of the hook and the anti-stripping device meet the requirements, and whether the hook has cracks, peeling and other defects; Hook section wear, opening degree increase, torsion deformation, whether exceed the standard; Whether the neck and surface of the hook have fatigue deformation, crack and wear of the related pin shaft and sleeve.

(2) Wire rope.

Check whether the specification and model of the wire rope match with the pulley drum meet the design requirements. Wire rope fixing devices such as clamping plate, rope clamp and deed block meet the requirements. Whether the wear, broken wire, kinks, flattening, bending, broken strand, corrosion of the wire rope exceed the standard.

(3) crane brake device.

The setting of the brake, whether the type of the brake meets the design requirements, whether the pull rod and spring of the brake have fatigue deformation, cracks and other defects; Pin shaft, mandrel, brake wheel, brake friction disc wear exceed the standard, hydraulic brake oil leakage; Brake clearance adjustment, braking ability can meet the requirements.

(4) reel.

Whether the drum body and the drum edge have fatigue cracks, damage, etc.; Rope groove and wall wear exceed the standard; Whether the height of the drum rim matches the number of winding layers of the wire rope; Whether the working conditions of the rope guide and rope arranger meet the requirements;

(5) crane pulley.

Whether the pulley is equipped with anti-stripping groove device; Whether there are cracks, broken edges, excessive wear and other conditions of pulley groove, pulley rotation is flexible.

(6) crane reducer.

When the reducer is running, there is no abnormal sound such as violent metal friction sound, vibration, shell radiation, etc.; Whether the shaft end is sealed in good condition, whether the fixing bolt is loose and has defects; Reducer lubricating oil selection, oil level, vertical reducer lubricating oil pump operation, open gear transmission lubrication, etc., whether meet the requirements.

(7) crane wheel.

Whether the tread and axle of the wheel have fatigue cracks, and whether the wear of the wheel tread and axle exceed the standard. Whether the phenomenon of gnawing rail occurs in operation. What is the cause of the gnawing rail.

(8) coupling.

Coupling parts have defects, loose connection, running impact phenomenon. Coupling, pin shaft, pin hole, buffer rubber ring wear exceed the standard. Whether the coupling is concentric with the two components to be connected.

keyword: Safety inspection items of crane accessories