hoistIs a kind of important hoisting tools, lifting block structure is simple, easy to use, can be repeatedly change the direction of the block and tackle traction wire rope and lifting or moving objects, which are composed of block joint purchase, in particular, cooperate to hoist, mast or other hoisting machinery, hoist is widely used in construction and installation work. The product specification is from 0.03 to 320 tons. The wheel system is from single wheel to pick up wheel. Easy to use, wide use, can be manual, mobile. Mainly used in factories, mines, agriculture, electricity, construction and other production construction, dock, dock, warehouse machinery installation, cargo lifting. A hoisting block can only change the direction of the force, but cannot save the force; And with two blocks to make up of block group can change to get away from the direction of the foundation to achieve the purpose of labor saving. Single door block can be used as a guide block when lifting and transporting. Pulley block can cooperate with hoist for lifting.

The ball bearings used in lifting pulley and the wheel core of roller bearing are the national standard bearings, each pulley two, can use different specifications according to lifting tonnage, the standard bearing is applicable to high speed, free of maintenance