The invention discloses an industrial vehicle rear axle system with a high-low speed switching function and a switching method thereof. The industrial vehicle rear axle system comprises a vehicle frame and a rear axle, and the vehicle frame is connected to the rear axle through a plate spring; a rear transverse plate positioned behind the rear axle is arranged at the tail part of the frame; an oil cylinder support is arranged on the rear transverse plate; a front transverse plate located in front of the rear axle is arranged at the tail of the frame, and a supporting plate support corresponding to the oil cylinder support is arranged on the front transverse plate. A supporting plate and a supporting oil cylinder are also arranged. The front end of the supporting plate is hinged to the supporting plate support; a cylinder body of the supporting oil cylinder is hinged to the oil cylinder support, and a piston rod of the supporting oil cylinder is hinged to the tail end of the supporting plate. A first pull rope support is arranged on the lower surface of the middle of the supporting plate, a second pull rope support is arranged in the middle of the rear axle, and a flexible pull rope is connected between the first pull rope support and the second pull rope support. According to the technical scheme, the industrial vehicle has the high-speed running mode and the low-speed operation mode, and the two modes can be switched freely.

    本发明公开了一种具有高低速切换功能的工业车辆后桥系统及其切换方法,工业车辆后桥系统包括车架和后桥,车架通过板簧连接在后桥上;车架的尾部设置有位于后桥后方的后横板,后横板上设置有油缸支座;车架的尾部设置有位于后桥前方的前横板,前横板上设置有与油缸支座对应的支撑板支座;还包括支撑板和支撑油缸,支撑板的前端与支撑板支座铰接;支撑油缸的缸体与油缸支座铰接,支撑油缸的活塞杆与支撑板的尾端铰接;支撑板中部的下表面设置有第一拉绳支座,后桥的中间位置设置有第二拉绳支座,第一拉绳支座与第二拉绳支座之间连接有柔性拉绳。本发明技术方案中工业车辆具有高速行驶模式和低速作业模式并且两种模式可随意切换。


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    Title :

    Industrial vehicle rear axle system with high-low speed switching function and switching method thereof


    Additional title:

    具有高低速切换功能的工业车辆后桥系统及其切换方法


    Contributors:
    WANG YONG (author) / WANG NING (author) / NI LISHA (author) / XU LEI (author) / WANG DAN (author) / LIU KE (author) / ZHAO BIAO (author)

    Publication date :

    2021-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B62D MOTOR VEHICLES , Motorfahrzeuge



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