Run institutions brake mounted on the crane , luffing rotating bodies and institutions , these mechanical lifting devices can accurately and reliably stop at the desired position . If installed in the lifting mechanism , in addition to the role played in the braking load state , but also to adjust the rate of decline of the object.
Brake action by way of closed and open ; according to the structure of the block type and belt ; by transmission of mechanical transmission , hydraulic and electric types . Generally , normally closed two- block brake shoe mostly common in crane . The manual hoist liftech small electric hoist generally use a one-way ratchet friction brakes , self braking under load , very convenient.
Brakes are very important parts of lifting equipment , hoist pull the opponent is also true , its main role is to make the moving parts of a device ( mechanical movement ) slow down , stop or remain stopped other liftech mechanical lifting devices unctions Baoding Hoisting Machinery Co., Ltd. Three Long Road 2014.03.12-14 participate in the Shanghai New International Expo Centre 25th International Hardware Fair , booth No. E5601, E5602, and friends are welcome to patronize . Three Dragon , Crane Co. [ 1 ] lifting gear product range : all kinds of jacks, chain hoists , electric hoists , chain hoists, explosion proof hoists, lever hoist , balancers, lifting chains , pulleys, pulley, tractor , shackles, bearings , lifting hook, sling . 2 sling : metal rigging : wire rope slings , chain slings , shackles class , hook type, hanging ( clip ) pliers , magnetic spreader etc. . Synthetic rigging : the nylon, polypropylene, polyester, high strength and high modulus polyethylene fiber material production with rope and rigging class .
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