动滑轮

工人们决定使用动滑轮把这台机器吊上来。

The workers decided to hoist the machine with a movable pulley .

连线和动滑轮相接；

A connecting line is connected with the movable pulley .

动滑轮组可以很好的解决钢丝绳长度问题。

Moving pulley rope length can solve the problem .

动滑轮组放大回绳轮行程满足钢丝绳使用初期伸长的需要。

Move a pulley set enlarge to return to rope round the route of travel satisfies a steel wire rope to use early elongation of demand .

连线一端与左边压杆一端相接后，穿过动滑轮，再和右边压杆相接；

One end of the connecting line is connected with one end of the left pressure rod and penetrated the movable pulley then to connect with the right pressure rod .

文章介绍此种小车的性能参数、设计特点以及为克服静、动滑轮间距离短在重载排绳困难方面采取的特殊措施。

Description is given to performance features of this kind of trolley , its design characteristics and specific measures for overcoming difficulty in laying down the rope under heavy load due to short distance between stationary and movable blocks .