lever hoist is a lightweight and easy manual traction machinery. it has a compact structure, small size, light weight, portable, and stable performance. its working principle is smoothed by two self-locking tongs, turn the same folder as the two rope fixing shaft for reciprocating motion, so as to achieve traction operation. it can act as traction in a variety of projects, winch. lifting and other operations. in addition to the horizontal and vertical use, it is also in the slopes, uneven, narrow streets, winding turns to operate under working conditions can also be in any place and without power supply
   environment. lever hoist at the construction site often used for loading, unloading, installation of small equipment, small tools such as components and piping.
    use requirements:
    (1) the use of lever hoist, the load from the weight of no more than allowed, according to the tag from the weight used.
    (2) the use can not handle any longer, because the starting lever hoist the weight is limited, two-handed pull force also has a certain size, longer handle the overload will cause lever hoist use, causing parts damage.
    (3) should always check the wire rope for wear, and kinks, broken wires, broken stocks, which do not meet the safe use must be replaced.
    (4) the working principle of the lever hoist is the use of alternative clamp clamp rope, so requires the use of steel core wire rope core rather than using hemp rope, hemp-core rope due to soft and elastic, the clamp after clamp loosening of the phenomenon, is not secure.
    (5) lever hoist before use to conduct a comprehensive inspection and testing, use after maintenance.

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