根据中重型清障车的作业需要,设计了一种曲线导轨连杆托臂机构,使托臂折叠油缸沿着导轨运动并通过连杆带动托臂完成托臂折叠动作。该导轨连杆机构不仅有效地增大了折叠油缸的作用力臂,提高了负载折叠能力;还可以缩短折叠油缸的安装尺寸和行程,从而节约生产成本。 According to the operation needs of medium and heavy duty wrecker, a curvilinear connecting rod supporting arm mechanism is designed, which enables the folding arm of the curving arm to move along the guide rail and drives the trailing arm to complete the trailing arm folding action through the connecting rod. The rail linkage not only effectively increases the force arm of the folding cylinder and improves the capacity of the folding of the load, but also can reduce the installation size and the stroke of the folding cylinder, thereby saving the production cost.