This carne is a kind of 10t Top of dam portal type carnes for hydropower station, builded on the hydroelectric power station dam top of dam opens shuts the strobe and overhaul top of dam equipment . This paper focuses on design of hoisting mechanism of the carne, including a hoisting mechanism with electromotor,one reducer, one brake staff, one drum device and pulley gear. The carne is required to be stables, high accuracy, safety, reliability and advanced technology.
This text briefly introduce the carne’s capability, structure, the actuality of development, and so on, referring to “Design criterion of carne” (GB3811-83) and design and calculate of the hoisting mechanism and its accessory in “Design handbook of carne”. From scheme demonstrating to designing and calculating, it takes full advantage of the computer in the whole design to raise the quality of the design, cut the cycle of the design, improve the work efficiency.
Key words: carne, Top of Dam Portal Type Hoist Crane, design of the hoisting mechanism
