Lever hoist the details of the requirements

     lever hoist  is widely used, mainly used in shipbuilding, electric power, transportation, construction, mining, telecommunications and other sectors of the equipment installation, lifting items, mechanical retraction. General shipyard lever hoist more, I came briefly under the lever hoist the details of the requirements for user reference has been avoided during use problems.
      1, lever hoist load requirements:
When using the lever hoist, lifting allowed to exceed the allowable load, according to the marks from the weight used.
      2, lever hoist handle requirements:
When using do not handle any longer, because the lever hoist lifting capacity is limited, two-handed pull force also has a certain size, longer handle the overload will cause the lever hoist use, resulting in damage to components.
       Wire rope winch  and chain lever, the biggest difference lies in the material, wire rope pulling hoist rope for inspection prior to use, there are strict requirements
      1, lever hoist wire rope inspection:
Always check the rope for wear and kinks, broken wires, broken stocks, which do not meet the safe use must be replaced.
      2,  lever hoist  wire rope requirements:
      The working principle of the lever hoist is the use of wire rope clamp clamped alternately, so requires the use of steel core wire rope core and not with hemp rope, hemp core rope due to soft and elastic, the clamp after loosening the clamping phenomenon that is unsafe.