How to maintain the wire rope of electric hoist

Maintenance of electric hoist wire rope:

1. There should be no cracks or nicks on the edges of the pulleys worn by electric hoists.
2. The steel wire rope should not rub against other objects during the movement, and should not be dragged diagonally with the edge of the steel edge, so as to avoid the steel wire edges cutting the wire rope, which directly affects the service life of the wire rope.
3. When using the steel wire rope on high temperature objects, heat insulation measures must be adopted, because the strength of the steel wire rope will be greatly reduced after being exposed to high temperature.
4. During the use of electric hoists, the strength of the wire rope must be checked frequently. Generally, a comprehensive inspection or strength test must be performed at least six months.
5. It is strictly forbidden to use overload during use, and it should not be impacted. When bundling or lifting supplies, care must be taken not to make the steel wire directly contact the sharp corners of the object, and a wooden plate should be used at their contact places. , Canvas, sacks or other padding to prevent the quick opening corners of objects from damaging the wire rope and causing equipment and accidents.
6. During the use of electric hoist, if there is insufficient length, shackle connection must be adopted. It is strictly forbidden to use a steel wire rope head to wear a thin steel wire rope to lengthen the lifting object, so as to avoid the resulting shearing force.
7. After the electric hoist is used for a period of time, the steel wire rope must be lubricated. On the one hand, the steel wire rope can be prevented from rusting. On the other hand, during the use of the steel wire rope, the steel wire in the same strand between each strand of the rope will be between the steel wire and the steel wire. Mutual sliding friction occurs, especially when the wire rope is subjected to bending force. This friction is more exciting, and it can be reduced by adding lubricant.
8. When the steel wire rope is stored, clean the dirt on the steel wire rope and lubricate it according to the above method, then coil it up, store it in a dry place, and place a wood block or sleeper under the steel wire rope for regular inspection.
9. During the use of the steel wire rope, pay special attention to prevent the steel wire rope from contacting the welding wire. Due to electric shock, the wire rope will be damaged, which will affect the smooth operation of the operation.
10. Pay attention to check whether there is breakage and damage and whether it is used, or you need to replace the new rope to ensure safety.
11. Scrap standards for electric hoist wire rope:
12. The wire rope of electric hoist is worn and its diameter is reduced. If it exceeds 40% of the diameter of the wire rope, it should be scrapped.
13. In the process of using electric hoist steel wire rope, the whole strand of the wire rope is often broken or the core of the wire rope is squeezed out, causing structural damage. At this time, the wire rope should be scrapped.
14. When the broken wire reaches 7-8 within one pitch, it should be scrapped.
15. Steel wire ropes that are transported or hoisted with metal solutions, hot materials, acids, flammable and toxic materials have been corroded by chemical media and should be scrapped.
16. The steel wire ropes that have been overloaded should not be used any longer. When the appearance of the steel wire rope is severely deformed, the structure is damaged, the core is squeezed out or there is obvious crimping, and the accumulation phenomenon should be discarded.