The invention relates to the field of engineering machinery, and discloses a hydro-pneumatic suspension system and engineering machine.The hydro-pneumatic suspension system comprises a left axle suspension oil cylinder and a right axle suspension oil cylinder, and a rod cavity of the left axle suspension oil cylinder is communicated with a rodless cavity of the right axle suspension oil cylinder through a first oil pipe; a rodless cavity of the left axle suspension oil cylinder is communicated with a rod cavity of the right axle suspension oil cylinder through a second oil pipe; the hydraulic oil tank is provided with an oil supply pipe and an oil return pipe; the control valve group is used for controlling the oil supply pipe and the oil return pipe to be communicated or disconnected with the first oil pipe and the second oil pipe; the right bridge energy accumulator and the left bridge energy accumulator are respectively connected in series with the first oil pipe and the second oil pipe; the first stop valve is arranged on the first oil pipe, the second stop valve is arranged on the second oil pipe, and the first stop valve, the second stop valve and the control valve set are independently arranged. According to the invention, the difficulty of troubleshooting is effectively reduced, and the efficiency of troubleshooting is also effectively improved.
本发明涉及工程机械领域,公开了一种油气悬挂系统和工程机械,油气悬挂系统包括左桥悬挂油缸和右桥悬挂油缸,左桥悬挂油缸的有杆腔与右桥悬挂油缸的无杆腔通过第一油管连通,左桥悬挂油缸的无杆腔与右桥悬挂油缸的有杆腔通过第二油管连通,油气悬挂系统还包括具有供油管和回油管的液压油箱、用于控制供油管和回油管与第一油管和第二油管的连通或断开连通的控制阀组、分别串联于第一油管和第二油管的右桥蓄能器和左桥蓄能器、第一截止阀以及第二截止阀,第一截止阀设置于第一油管,第二截止阀设置于第二油管,第一截止阀、第二截止阀以及控制阀组分别独立设置。本发明有效降低故障排查的难度,也有效提高故障排查的效率。
Hydro-pneumatic suspension system and engineering machinery
油气悬挂系统和工程机械
2023-10-24
Patent
Electronic Resource
Chinese
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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