Anti-loose device for steel plate spring of tractor and working method thereof
By introducing an elastic compensation mechanism into the leaf springs of the tractor, the problem of preload reduction caused by loose U-bolts is solved, and real-time compensation of preload is achieved, ensuring the stability and safety of the vehicle.
CN122402153APending Publication Date: 2026-07-17XUZHOU XCMG PORT MASCH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- XUZHOU XCMG PORT MASCH CO LTD
- Filing Date
- 2026-05-31
- Publication Date
- 2026-07-17
Smart Images
Figure CN122402153A_ABST
Abstract
本发明属于一般车辆技术领域，尤其涉及牵引车用钢板弹簧防松装置及其工作方法；其中一种牵引车用钢板弹簧防松装置，包括：车桥，车桥固定设置在车架梁的下部；钢板弹簧，钢板弹簧设置在车桥的下方，且钢板弹簧的一端通过卷耳互相铰接；气囊组件，其上端固定在车架梁的底壁，其下端固定在钢板弹簧的另一端；U型螺栓，U型螺栓呈倒U形，其两端竖直向下穿过车桥并限位钢板弹簧；弹性补偿机构，其设置在U型螺栓的上部，用于在预设的松动趋势下提供向上的弹性顶推力；其中，当U型螺栓发生松动导致预紧力下降时，弹性补偿机构的弹性件释放弹性势能，向上顶推U型螺栓的杆部，从而补偿预紧力的损失。
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