The invention discloses an automatic lifting suspension system for a trailer. The automatic lifting suspension system specifically comprises a frame, a lifting device, a hydraulic system, a supporting frame, an axle and a control system. The lifting device comprises a supporting plate, a spring, a screw rod, a screw shaft, an upper cross arm, a plane bearing and a lower cross arm, one end of the upper cross arm and one end of the lower cross arm are hinged to the frame, and the other ends are hinged to the axle; the hydraulic system comprises a hydraulic motor, a hydraulic pump, a motor and a hydraulic oil tank and is installed on the supporting frame. The supporting frame is welded with the frame; and a lifting control system which lifts a trailer suspension according to a tractor suspension lifting rule is included. The trailer suspension system with the height automatically changed along with the road surface is provided, the requirements of a trailer for stability and smoothness are met, and intelligent lifting and falling of a trailer suspension are achieved.

    本发明公开了一种自动升降的挂车用悬架系统,具体包括车架、抬升装置、液压系统、支撑架、车轴和控制系统。所述抬升装置包括支撑板、弹簧、螺旋杆、螺旋轴、上横臂、平面轴承、下横臂,所述上横臂和下横臂一端与车架铰接,另一端与车轴铰接;所述液压系统包括液压马达、液压泵、电机、液压油箱,液压系统安装在支撑架上;所述支撑架与车架焊接;包括升降控制系统,将悬架按照牵引车悬架抬升规律抬升挂车悬架。其目的是为了提供一种随路面自动变化高度的挂车悬架系统,满足挂车对稳定性、平顺性的要求,实现挂车悬架的智能抬升和下落。


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    Title :

    Automatic lifting suspension system for trailer


    Additional title:

    一种自动升降的挂车用悬架系统


    Contributors:
    TIAN WANYI (author) / SUN WENTAO (author) / CHEN WEIWEI (author) / ZHU XUANJIE (author) / ZHANG HONGMING (author) / YUAN HENGJUN (author)

    Publication date :

    2021-04-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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