Use hoists the regulations? Answer: a general three tons or less confined to one person hoists, limited to two five tons or more. As required when the number of pull them, there must be a fault, it should identify the causes of Shanghai Yan card hsz hand pulled down the chain, not by one strong pull. 2, hand chain sprocket should be consistent with the direction of the slot to prevent the zipper off. Operations forces zipper child should be uniform, not too much too fast. 3, after eating hoists load, should generally be in place in time to make the object, unloading off the hook, if temporarily unable to unload, hand chain should be fastened on the lifting chain, the chain does not move to prevent falling objects. Introduction explosion proof hoists hoist is an easy to use, easy to carry the manual lifting 3 m hsz hand pulled down the chain, explosion-proof manual chain hoists with monorail supporting the use of the composition of the manual lifting and transport cart, explosion-proof chain hoist can be widely used in petroleum, petrochemical potential, gas stations, oil depots, gas, chemical, military, power, mining, electronics, railways, and other fire and explosion hazard environments hsz hand pulled down the price chain, product each other in the job friction impact will not produce mechanical sparks hsz hand pulled down the chain, effectively prevent fire accidents, ensure that state property and personal safety. Machinery manufacturing and mechanical maintenance is essential for special tools. Explosion-proof chain hoist is an easy to use, easy to carry the manual lifting, pulling a small, light weight, easy to carry, beautiful appearance, small size, durable. Explosion-proof chain hoists with aluminum bronze, beryllium as a blank, chain hoists shell is made of H62 copper alloy material, which rotates the gear after high temperature heat treatment to achieve the gear, according to a high wear resistance. hsz chain hoists suppliers, Shanxi hsz hand pulled down the chain, from Qingyuan Xinyu Xinyu lifting Lifting Machinery Limited. Qingyuan Xinyu Crane Co. (xyqz0312.1688.com) strong, credible, Baoding in Hebei engineering, construction crane industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xinyu lifting and you hand into the brilliant, for a better future!