The invention relates to the technical field of suspension systems of engineering vehicles, and discloses a hydro-pneumatic suspension system and a crawler engineering van, the hydro-pneumatic suspension system comprises a front suspension oil cylinder, a middle suspension oil cylinder, a rear suspension oil cylinder, a front swing arm, a middle swing arm, a rear swing arm, a buffer oil cylinder, a tensioning oil cylinder, a brake arm and an eccentric shaft; one ends of the front suspension oil cylinder, the middle suspension oil cylinder and the rear suspension oil cylinder are hinged with the frame, and the other ends are respectively hinged with the front swing arm, the middle swing arm and the rear swing arm; the rear part of a cylinder barrel of the tensioning oil cylinder is fixedly connected with a cylinder barrel seat of the tensioning oil cylinder, a cylinder barrel of the buffering oil cylinder is arranged in the cylinder barrel seat of the tensioning oil cylinder and can swing in the cylinder barrel seat of the tensioning oil cylinder, and a cylinder rod end of the buffering oil cylinder is hinged with the brake arm; and a cylinder rod end of the tensioning oil cylinder is hinged with the frame. The invention has the beneficial effects that the vibration generated during high-speed running of the whole machine can be greatly attenuated, the comfort of the whole machine is improved, the crawler belt can be tensioned in real time during high-speed running, belt separation and slipping are avoided, and the walking performance and trafficability of the whole machine are ensured.
本发明涉及工程车辆悬挂系统技术领域,公开了一种油气悬挂系统及履带工程车,包括前悬挂油缸、中悬挂油缸、后悬挂油缸、前摆臂、中摆臂、后摆臂、缓冲油缸、张紧油缸、制动臂以及偏心轴;所述前悬挂油缸、中悬挂油缸、后悬挂油缸的一端与车架铰接,另一端分别与前摆臂、中摆臂、后摆臂铰接;所述张紧油缸的缸筒后固定连接有张紧油缸缸筒座,所述缓冲油缸的缸筒置于张紧油缸缸筒座内,能够在张紧油缸缸筒座内摆动,缓冲油缸的缸杆端与制动臂铰接;所述张紧油缸的缸杆端与车架铰接。本发明的有益效果为:能够大幅衰减整机高速行驶时产生的振动,提高整机舒适性且高速行驶时履带可实时张紧,不发生脱带、打滑,保证整机行走性及通过性。
Hydro-pneumatic suspension system and tracked engineering vehicle
一种油气悬挂系统及履带工程车
2023-02-03
Patent
Elektronische Ressource
Chinesisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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