The invention relates to a steering gear box cooling system for engineering machinery, which comprises a steering gear box body, an oil can and a steering low-pressure oil pipe, and further comprisesa cooling liquid conveying pump, a front cooling box and a rear cooling frame. The front cooling box is arranged between the steering gear box body and the steering low-pressure oil pipe; the front cooling box comprises a box body, a liquid cooling plate arranged in the box body, an oil inlet and a liquid distribution nozzle. One end of the liquid cooling plate is externally connected with the cooling liquid conveying pump through a first liquid distribution pipe; the liquid cooling plate is formed by die-casting of two composite veneers. The two composite veneers are respectively provided with a plurality of overflow ports which are symmetrically arranged and backflow grooves which are arranged around the overflow ports in the same direction, a steering low-pressure oil pipe is erected onthe rear cooling frame, and the rear cooling frame is composed of two sections of transverse pipes which are arranged on the two sides of the steering low-pressure oil pipe respectively and a plurality of sections of vertical pipes which abut against the upper portion or the lower portion of the steering low-pressure oil pipe. The system is reasonable in structure, the temperature of steering oilcan be effectively controlled, and the stability of a steering system is improved.

    本发明涉及一种工程机械用方向机冷却系统,包括方向机本体、油壶以及转向低压油管,还包括冷却液输送泵、前置冷却盒以及后置冷却架,所述前置冷却盒装设在方向机本体与转向低压油管之间,所述前置冷却盒包括盒体、设在盒体内的液冷板、进油口以及分液嘴,所述液冷板的一端通过第一分液管外接冷却液输送泵,所述液冷板由两块复合单板压铸而成,在所述两块复合单板上均开有对称设置的多个溢流口以及绕溢流口同向设置的回流槽,所述后置冷却架架设转向低压油管,所述后置冷却架由两段分设转向低压油管两侧的横管以及压靠在转向低压油管上方或下方的多段竖管组成;本发明构造合理,可有效控制转向油液的温度,提高转向系统的稳定性。


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    Title :

    Steering gear box cooling system for engineering machinery


    Additional title:

    一种工程机械用方向机冷却系统


    Contributors:
    XU ZIFAN (author) / SUN XUEYONG (author)

    Publication date :

    2020-10-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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