Operation rules for electric hoist - henan mining crane co., LTD


Operating rules for electric hoist
1. All operators must be qualified through pre-job training before taking up the post.
2. Electric hoist shall be operated by a special person.
3, before lifting shall check the safety performance of equipment, machinery, steel wire rope, hook fixation, flexible rotating parts, power supply, grounding, buttons, stroke switches are in good condition and use of sensitive, limiter, etc should be in good condition, around the track, pulley, drum, brake, is flexible and reliable fixed installation, shall not be damaged, motor, reducer should be no abnormal phenomenon, whether wedge installation is firm and reliable.
4. Never operate the wire rope if the following abnormal conditions are found before use.
(1) bending, deformation, wear and other.
(2) wire rope fracture degree more than the requirements, wear.
5. Lift the object after adjusting the stop block of the upper and lower limit.
6. It is forbidden to lift heavy objects over 500kg in use. When lifting a heavy object 10cm above the ground, stop the lift to check the twitching condition and ensure it is in good condition before carrying out the work.
7, adjust the electric hoist brake sliding amount, should be guaranteed under the rated load.
8. The traction of the moving position shall not be too fierce, and the speed shall not be too fast. When lifting objects, guard against collision.
9. No one shall be under the lifting object.
10, do not take people on lifting objects, absolutely do not use electric hoist as the lift mechanism of the elevator to carry people.
11. The hook shall not be lifted above the electric hoist during lifting.
12. In use, it is absolutely forbidden to use in the forbidden environment and in the case of exceeding the rated load and rated closing times per hour (120 times).
13. When the single-track electric hoist turns around the track or approaches the end of the track, it must slow down. It is not allowed to press two flashlight door buttons that make the electric hoist move in opposite directions at the same time.
14, the object should be tied firmly, and in the center of gravity.
15. When lifting heavy crane, the weight should not be too high from the ground.
16, work space shall not be suspended in the air. Lifting objects, hook in the swing state can not be lifted.
17. Please move the hoist to the top of the object before lifting it. It is strictly prohibited to pull the inclined crane.
18. Limit device is not allowed to be used repeatedly as travel switch.
19. Objects connected with the ground shall not be hoisted.
20. Excessive inching operation is prohibited.
21, in use must be a special personnel to check the electric hoist regularly, find fault in time to take measures to cut off the main power supply, and carefully recorded.
22, in use must keep enough oil, and keep the oil clean, should not contain impurities and dirt.
23, steel wire rope oil should use hard brush or wooden small pieces, is strictly prohibited to use the hand directly to work on the steel wire rope oil.
24, the maintenance and inspection work must be carried out in the no-load state.
Be sure to cut off the power supply before maintenance and inspection.
26. When the electric hoist does not work, it is not allowed to suspend the heavy objects in the air to prevent the permanent deformation of parts and components, causing personal and property damage.
27, after the work must be opened the main switch of the power supply, cut off the power supply., henan mining crane co., LTD