The tractor front wheel steering system comprises a manual steering assembly, an automatic steering assembly and two steering oil cylinders, the steering oil cylinders are double-acting oil cylinders, the manual steering assembly is provided with an oil inlet, an oil return port and two working oil ports, and the automatic steering assembly is provided with an oil outlet. The automatic steering assembly is provided with an oil inlet, an oil return port and two working oil ports, the oil inlet of the manual steering assembly and the oil inlet of the automatic steering assembly are both communicated with an oil supply pipeline, the oil return port of the manual steering assembly and the oil return port of the automatic steering assembly are both communicated with an oil return pipeline, large-cavity oil ports of the two steering oil cylinders are communicated with each other, and large-cavity oil ports of the two steering oil cylinders are communicated with each other. Two working oil ports of the manual steering assembly, two working oil ports of the automatic steering assembly and small cavity oil ports of the two steering oil cylinders are in one-to-one correspondence and are communicated with one another, and the manual steering assembly and the automatic steering assembly are selectively selected to control the two steering oil cylinders to stretch out and draw back, so that the tractor has an automatic driving function and a manual driving function.

    本发明公开了一种拖拉机前轮转向系统及拖拉机,所述拖拉机前轮转向系统包括手动转向总成、自动转向总成和两个转向油缸,转向油缸为双作用油缸,手动转向总成具有进油口、回油口和两个工作油口,自动转向总成具有进油口、回油口和两个工作油口,手动转向总成的进油口和自动转向总成的进油口均与供油管路连通,手动转向总成的回油口和自动转向总成的回油口均与回油管路连通,两个转向油缸的大腔油口相互连通,手动转向总成的两个工作油口、自动转向总成的两个工作油口和两个转向油缸的小腔油口分别一一对应并相互连通,择一的选用手动转向总成和自动转向总成操控两个转向油缸伸缩,如此该拖拉机具有自动驾驶功能和手动驾驶功能。


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    Title :

    Tractor front wheel steering system and tractor


    Additional title:

    一种拖拉机前轮转向系统及拖拉机


    Contributors:
    GUO PENGPENG (author) / TAN HONGYANG (author) / SUN WENYONG (author) / LIU ZHAODONG (author) / GAO DELI (author) / LIU GUOMIN (author) / LIU YUMEI (author) / GAO QIANG (author) / LUO LIN (author) / ZHANG YUNWEI (author)

    Publication date :

    2025-03-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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