A semitrailer includes an elongated trailer frame having a front portion and a rear portion, a wheel bogie disposed below the trailer frame, a jack disposed proximate the rear portion of the trailer frame, where the jack is configured to raise and lower the rear portion of the trailer frame. The jack includes an actuator connected to the trailer frame at a rear portion, a plurality of pivoting support arms connected to ends of the actuator, and a plurality of ground engaging members connected to ends of the plurality of support arms, where the ground engaging members are powered to laterally move the rear portion of the trailer frame.
一种半挂车,包括具有前部和后部的细长挂车框架、设置在挂车框架下方的车轮转向架、设置在挂车框架的后部附近的起重器,其中,起重器被构造成能够升高和降低挂车框架的后部。起重器包括在后部处与挂车框架相连接的致动器、与致动器的端部相连接的多个枢转支撑臂以及与多个支撑臂的端部相连接的多个地面接合构件,其中,地面接合构件被提供动力以横向运动挂车框架的后部。
Semitrailer
半挂车
2023-02-03
Patent
Electronic Resource
Chinese
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 |
Auxiliary driving device of semitrailer, semitrailer and control method of semitrailer
European Patent Office | 2023
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