2013年7月17日星期三

Lever hoist with safety requirements

lever hoist before use security measures:
A pre-use check hooks, wire rope, axles, and other components, such as found corrosion, cracks, damage, deformation, distortion and other transmission parts are not flexible, is  strictly prohibited.
2 Use the lever hoist, non-overloading, the housing should be rated tonnage mark.
3 Use the feed before pour loose rope, and slowly pulled the towing handle, lifting rope in force after the inspection of the axle unit working conditions,
Confirmation before it can continue lifting.
4 should be uniform jog lever handle, pulled only allowed when a person operation, prohibited two or more people forcibly pulled, the operation is strictly prohibited riding rope top.
5 gear should always refueling and maintenance, always check the technical condition of springs and gears to prevent Zhidongshiling.
Safe use of Manual hoist
1, should be checked before use hooks, chains, etc. is good, transmission and brakes are good. Hook, chain, inverted cards are deformed, and the chain diameter wear volume of

15%, is strictly prohibited.

2, two or more chain hoist lifting the same weights, the weight should be less than the weight of each chain hoist lifting capacity allowed.

3, chain hoist lifting chain shall beat twist, and shall not be split into single strand use.

4,chain block  brake to prevent contaminated grease.

5, not to overload the chain hoist, lifting capacity 5t allow a person below the zipper, lifting capacity 5t above allows two zippers, not free to increase the number of tugs, operation, shall not stand in the chain hoist just below.

6, lifting heavy objects stay in the air for a long time, put your hand zip tied on chains and heavy additional insured on a rope.

7, chain hoist, such as occurred in the use of the card chain case, the weight should be inspected after a good pad

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