Chain Block as an upgrade version of the fixed pulley, fixed pulley fully inherited the advantages of using reverse backstop while reducer and chain brake pulley combination of symmetrically arranged two spur gears rotating structure, a simple, durable and efficient.
mechanical lifting devices
2014年1月5日星期日
The role of lever hoist
Lever hoist is safe and reliable, durable; Good manual hoist, convenient maintenance; Small volume, light weight, easy to carry; Small hand force, high efficiency; Progress predecessors structure, beautiful appearance, etc. With regulation model, specification of the wire rope hoist firmly down. Wire rope hand gourd, general for metal material synthesis, so in terms of maintenance must be done comprehensively, so that can not hoist equipment the equipment normal use. Usually with brake squirrel-cage conical rotor motor with electromagnetic brake (or another cylindrical rotor motor) drive, the weight average of 0.1 ~ 80 tons, lifting height is 3 ~ 30 meters. Electric hoist except can be used alone, but also with the manual, chain or electric car together, hanging on the roof of the building or crane beam is used.
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