A pulley is a set of simple tool consisted of one or more wheels over which a rope can be looped for the purpose of labor saving and movement direction changing. Pulleys can be divided into crown block/ fixed pulley and fall block / movable pulley based on functions of pulleys while based on materials, pulley blocks can be classified into cast iron pulley, cast steel pulley, nylon pulley, and aluminum pulleys, etc.
Tagged: crane parts
Crane rope drum is a part of crane lifting mechanism which is used to full in, entwine, and store wire rope. The rope drum is consisted of drum shaft, flange type annular gear, drum hub, bearings, bearing pedestal, etc. Every part of crane rope drum is engineered and manufactured to meet the operational and safety requirements of industrial crane applications.
Weight overload limiter is a protection device used on various wire rope electric hoists. The weight overload limiter is designed with humanized features and various functions to meet the requirements of different customers in different applications with the advantages of simple structure, high security, easy installation and convenient to use and maintenance, etc.
Crane wheels are the most important parts in crane traveling system which are also the most vulnerable crane parts due to the friction between crane wheels and rail. Therefore, the crane wheels should be replaced when the flange wear, flange breakage and fatigue pitting happened.
Crane grab bucket is a kind of tool used with cranes for material handling, which is mainly designed for handling of powder and fine bulk materials such as chemicals, fertilizer, grain, coal, coke, iron ore, sand, particle construction materials and mashed rock, etc.