Lifting tackle is an important tool for lifting his simple structure, easy to use, able to hoist and trolley and block group number changes the direction of pulling and lifting or moving operation, especially by the coalition pulley pulley block with winches , mast or other lifting machines, widely used in the construction and installation operations.
Here are some safety when using tackle technical requirements:
(1), before use of new tackle from 1.25 times the rated load test.
(2) prior to use to identify pulley nominal weight, are not allowed from load can not be identified look-up table.
(3) Check tackle each part is intact, assembling any problems, defects, if any, is strictly prohibited.
(4), using a wire diameter must meet the requirements,hoist equipment rope and the pulley groove angle of not more than 40 to 60.
(5), large changes in the direction of the force of local and high-altitude operations, not to use the hook-type pulley, pulley-type rings should be chosen to prevent decoupling, as with a hook type, must be sealed with a lead wire.
(6), during use, coping pulleys, shafts regularly lubricating and reduce bearing wear.
(7), in the upper pulley disassembly is prohibited when thrown from a height,manual hoist to prevent injuries and damage to the pulley.
(8), the openings must first tackle the process of using active board properly to prevent rope pop wounding.