综合比较了几种升降方案后，升降装置采用钢丝绳卷筒式，其结构简单，受力明确，用户也比较熟悉。
After the synthesis has compared several kind of constructions elevators overall plan, USES the steel wire to hoist the type, its structure simple, the stress is clear about, the users also familiar.
LD车轮，车轮组，卷筒组，吊钩组，滑轮组，联轴器，钢丝绳，电缆滑车，运行电机，制动器，减速机，电缆卷筒，超载限制器，标准件。
LD wheel, wheel group, drum group, hook group, pulleys, couplings, wire rope, cable pulley, motor, brake, reducer, cable reel, overload limiter, standard parts.
它由电动机、传动机构和卷筒或链轮组成，分为钢丝绳和环链两种。
It consists of motor, drive mechanism and the drum or sprocket composition, divided into two types of wire rope and chain.
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