转动手轮使丝杆带动丝杆螺母和闸板沿水平方向往复运动，达到闸门的启闭目的，同时密封副在闸板运动中阻拦粉尘不进入传动腔内，无外漏污染。
Rotate the handwheel driving the pole and nut reciprocate in horizontal. At the same time the seal can prevent dust from entering driving body and out-leakage pollution does not exist.
与此同时，多种大载重量液力机械传动汽车的竟相出现，使电动轮汽车面临严重的挑战。
In the meantime, electric wheel truck faces serious challenge from various hydraulic mechanical drive trucks with large load capacity which appeared in the markets successively.
同时采用了柔性铰链机构及步进电机传动中联轴驱动一体机构，使整套系统具有调整精度高、稳定性好等特点。
The one body joint drive structure and a flexible structure ensure the system with high adjusting accuracy and stability.
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