HSH-E series lever block is equipped with transmission mechanism of two-step gears and with a spring clutch system,its main principle of operation is described as follows:
1,USE OF FREE GEARING SYSYTEM
when hooking nothing,the selector lever(40) is set to the “c”(central)position,the spring sets the load chain to be pulled easily and the lower hook to be adjusted at any desied position.
set the selector lever to “up”position and turn right the lever handle to press the friction plates(20) and ratchet disk(13) tightly against the brake seat(33),thus causing the se parts to rotate in unison,then drine the driving shaft(11),diskgeat(2).pinion shaft (4),splined gear(3),load chain and the lever handle to lift the load smoothly (seefigl)
Vital series lever hoist is a kind of portable and versatile hand-operated loading and pulling appliance,which is capable of being applied in electricity,mines, ship-buildings,constructions sites,transports and telecommunication for installing equipment ,lifting goods,pulling mechanical parts,bulk strapping and fastening, frightening fittings of wires, assembling and welding etc.It has exceptional advantages particularly for pulling in every limited narrow placed in the upper air high above the ground and at any angles.
1) Simple structure in linear type ,easy in installation and maintation.
2) Adopting advanced world famous brand components in electric parts and operation parts.
3) Running in a high automatization and intellectualization,no pollution.
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