The invention discloses a supporting leg and a semitrailer, and the supporting leg of the semitrailer comprises a seat part used for the installation of the supporting leg on a semitrailer frame, and the seat part is provided with a cabin part; a cylinder body of the hydraulic cylinder is fixed on the seat part, and a push rod matched with the hydraulic cylinder is downwards pushed; if the oil tank or the main oil way interface is the oil tank, the oil tank is positioned in the cabin part or is constructed from the cabin part; the oil pump is located in the cabin part, an oil outlet of the oil pump is connected with the hydraulic cylinder, an oil inlet of the oil pump is communicated with the oil tank or connected with a main oil way through a main oil way connector, and a power side is correspondingly and externally connected with a power source, a pneumatic system or a hydraulic system; and the ground contact pin is mounted at the lower end of the push rod. The supporting leg is relatively compact in structure, and reliability and synchronism are easy to guarantee.

    本发明公开了一种支撑腿与半挂车,其中半挂车所配支撑腿包括:座部,用于所述支撑腿在半挂车车架上的安装,座部具有一舱部;液压缸,该液压缸的缸体固定在所述座部上,且所配推杆冲下;油箱或主油路接口,若为油箱,该油箱位于所述舱部内或由所述舱部构造而出;油泵,位于所述舱部内,出油口连接所述液压缸,进油口与所述油箱连通或通过主油路接口与主油路连接,动力侧相应外接电源、气动系统或液动系统;以及触地脚,安装在所述推杆的下端。基于本发明的支撑腿结构相对紧凑,且可靠性、同步性易于保证。


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    Title :

    Supporting leg and semitrailer


    Additional title:

    支撑腿与半挂车


    Contributors:
    HUANG YINGUANG (author) / HUANG YING (author)

    Publication date :

    2023-04-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / B62D MOTOR VEHICLES , Motorfahrzeuge



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