蜗轮蜗杆机构常用来传递两交错轴之间的运动和动力。
Worm and worm wheel mechanism is used to transfer between two crisscross axis of sports and power.
蜗轮蜗杆机构的作用是减速增扭，其输出轴带动四连杆机构，通过四连杆机构把连续的旋转运动改变为左右摆动的运动。
The worm gear functions to slow down and increase torque. Its output shafts spur four-bar linkage by which the movement is changed from rotary to swinging.
可控蜗杆传动机构，由于可实现蜗轮有控制的步进传动，故可做为某些有特定要求的精巧机构的传动与送料控制机构。
The controllable worm drive can realize the stepwise motion of worm wheel, therefore, it is very available for transmission with special requirement and feeder control of some ingenious mechanisms.
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