针对常用的三轮运动机构,应用两组平行四边形机构协调工作的原理,设计了一套新型三轮转向机构控制其运动方向,使得该三轮运动机构可在平面内任意方向上方便自如地运动。%For the common three-wheel moving mechanism, a new three-wheel steering gear was designed to control its moving direction with two sets of parallel veins mechanisms working coordinatedly. And then the three-wheel moving mechanism can move conveniently in every direction in the plane.
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