The invention relates to a harvesting machinery hydrostatic drive vehicle control system and a control method.The system comprises a variable hydraulic power device, a hydraulic pump and a vehicle body inclination angle monitoring device, the variable hydraulic power device is in transmission connection with an input shaft of a gearbox, an output shaft of the gearbox is in transmission connection with a drive axle, and the hydraulic pump is in transmission connection with an engine; an outlet of the hydraulic pump is connected with a hydraulic inlet of the variable hydraulic power device, an inlet of the hydraulic pump is connected with a hydraulic outlet of the variable hydraulic power device, the vehicle body dip angle monitoring device is installed on a driving bridge, and the vehicle-mounted controller is connected with the vehicle body dip angle monitoring device. The device has the advantages that the engine speed and power output can be adjusted according to different operation modes; during vehicle transition, vehicle body postures are monitored, so that the pressure of a walking hydraulic system is maintained at a low level, and the service life of the hydraulic system is prolonged; when the vehicle is transferred, the pressure of the walking system is monitored, so that the pressure of the walking hydraulic system is maintained at a lower level, and the service life of the hydraulic system is prolonged.

    本发明涉及收割机械静液压驱动车辆控制系统及控制方法,系统包括变量液压动力装置、液压泵和车身倾角监测装置,变量液压动力装置与变速箱的输入轴传动连接,变速箱的输出轴与驱动桥传动连接,液压泵与发动机传动连接,液压泵的出口与变量液压动力装置的液压入口连接,液压泵的进口与变量液压动力装置的液压出口连接,车身倾角监测装置装于驱动桥梁上,车载控制器与车身倾角监测装置。优点:可根据不同作业模式调节发动机转速和动力输出大小;车辆转场时,对车身姿态进行监测,使行走液压系统压力维持在较低水平,延长液压系统寿命;车辆转场时,对行走系统压力进行监测,使行走液压系统压力维持在较低水平,延长液压系统寿命。


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    Title :

    Harvesting machinery hydrostatic drive vehicle control system and control method


    Additional title:

    一种收割机械静液压驱动车辆控制系统及控制方法


    Contributors:
    WU XIAOWEI (author) / LIU JIANGHAN (author) / ZHANG SHUGANG (author)

    Publication date :

    2023-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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