The invention relates to a rigidity and damping multistage adjustable oil-pneumatic suspension and a control method, and belongs to the field of combination of hydraulic and pneumatic engineering, mechanical engineering and vehicle engineering. The rigidity and damping multistage adjustable oil-pneumatic suspension comprises a hydraulic cylinder, a damping valve, a switch electromagnetic valve andan energy accumulator, the energy accumulator adopts a diaphragm type energy accumulator, an oil cavity of the energy accumulator and a nitrogen chamber are separated by an energy accumulator diaphragm, and the energy accumulator comprises a first energy accumulator A and a second energy accumulator B which are respectively connected with switch valves 9 and 10 in series; a damping adjusting mechanism comprises two switch electromagnetic valves 7 and 8, three throttle valves 4, 5 and 6 and a one-way valve 3, the throttle valves 5 and 6 are respectively connected with the switch electromagnetic valves 7 and 8 in series, and the throttle valves 4, 5 and 6 are connected with one another in parallel. According to the rigidity and damping multistage adjustable oil-pneumatic suspension system,the rigidity and damping can be adjusted according to loads and road conditions, the adaptability of a vehicle to different roads is improved, the driving performance of the vehicle is improved, and the rigidity and damping multistage adjustable oil-pneumatic suspension has the advantages of being convenient to disassemble and assemble, reliable in work, capable of effectively improving the driving comfort and safety of the vehicle and the like.

    本发明涉及一种刚度和阻尼多级可调油气悬架及控制方法,属于液压与气动、机械工程、车辆工程相结合的领域。本发明包括液压缸、阻尼阀、开关电磁阀和蓄能器;蓄能器采用隔膜式蓄能器,蓄能器的油腔与氮气室之间用蓄能器隔膜分隔,蓄能器包括第一蓄能器A、第二蓄能器B,分别与开关阀9、10串联;阻尼调节机构包括两个开关电磁阀7、8,三个节流阀4、5、6和一个单向阀3,节流阀5、6分别与开关电磁阀7、8串联,节流阀4、5、6之间互相并联。本发明提供的油气悬架系统可根据负载和路况调节刚度和阻尼大小,提高车辆对不同道路的适应性,改善车辆行驶性能,并具有便于拆装、工作可靠,可以有效的提高车辆行驶的舒适性和安全性等特点。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Rigidity and damping multistage adjustable oil-pneumatic suspension and control method


    Weitere Titelangaben:

    一种刚度和阻尼多级可调油气悬架及控制方法


    Beteiligte:
    WANG SHAOHUA (Autor:in) / ZHAI XUHUI (Autor:in) / SUN XIAOQIANG (Autor:in) / SHI DEHUA (Autor:in) / HUI YIJIA (Autor:in)

    Erscheinungsdatum :

    2020-05-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



    Rigidity and damping multi-stage adjustable hydro-pneumatic suspension

    XIE FANGWEI / ZHANG YOUJIE / XU CHUNJIE et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    Full-active suspension with continuously adjustable rigidity, damping and height

    XIA GUANG / LI TAO / ZHANG CHENHAO et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    Rigidity-adjustable rear torsion beam suspension

    HU LI / NING CHENXI / CHEN HAI et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    Suspension structure with adjustable axial rigidity

    DI XIAOXIANG / WANG WEI / LI JIANHUA | Europäisches Patentamt | 2022

    Freier Zugriff