Pulley system class divided by the number of rounds of single-door pulley, two-door and multi-door pulley block. By connection pulley and hanging objects can be divided into hook type, chain ring, rings, style, and a rack of four. Mostly small and medium pulley hook type, chain ring and rings style, while large block type using rings and hanging beam. Press contact wheel and shaft can be divided between two kinds of axle mounted bearings and bearing. Press splint can open points, opening block and closed block. Plywood opening pulley can be opened for easy loading rope, usually are single-door pulley, which is often used as a guide pulley at the expense of the sole of the foot with. By way of the use of different block is divided into fixed and movable trolley. Easy to use lifting tackle, versatile, you can manually maneuver. Mainly used in factories, mines Xinyu lifting tackle, agriculture, power lifting tackle mining, production of construction buildings, piers, docks, warehouses, machinery installation, cargo lifting. Pulley is also a lifting machinery, the main component is the gallows , pulleys, short axis, and ropes, the core component is a pulley. Use the rope around the block in the middle of the pulley groove. Features: miniature pulley easy to use, versatile lifting tackle price, you can manually maneuver. Mainly used in factories, mines, agriculture, electricity, construction and other production and construction, piers, docks, warehouses, machinery installation, cargo lifting and other lifting tackle manufacturers |. Hunan lifting tackle | Qingyuan Xinyu Xinyu lifting by 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!