Explosion manual hoists: aluminum bronze, beryllium copper as a rough, manual hoists H62 copper alloy shell with proof chain hoists applicable in explosive environments,electric wire rope hoist such as chemical, offshore and other operations.
Explosion manual hoists turning gear after high-temperature heat treatment to achieve a high gear, according wear. Explosion-proof chain hoists bracelet pull small, light weight, easy to carry, beautiful appearance, small size, durability.
Explosion manual hoists work principle: Hands chain drag chains, bracelets wheel began to turn, friction ratchet,mechanical lifting devices brake seat (to be pressed into one) common rotation, five major axis will rotate sprocket teeth, four teeth and minor axis spline Kong gears. Thus, the device lifting sprocket holes on the spline drive gear on lifting chain, lifting heavy objects smoothly.