The invention discloses an engineering machinery steering control device and engineering machinery, the engineering machinery steering control device comprises a steering pump, a steering gear, a flow amplification valve, a steering oil cylinder, a pilot control handle, a first electromagnetic valve and a second electromagnetic valve, the first electromagnetic valve comprises three interfaces A11, A12 and A13, and the second electromagnetic valve comprises three interfaces A21, A22 and A23; the pilot control handle oil inlet and the steering gear oil inlet are communicated with the output end of the steering pump; two oil outlets of the pilot control handle are respectively communicated with an interface A11 of the first electromagnetic valve and an interface A21 of the second electromagnetic valve; two oil outlets of the steering gear are respectively communicated with an interface A12 of the first electromagnetic valve and an interface A22 of the second electromagnetic valve; an interface A13 of the first electromagnetic valve and an interface A23 of the second electromagnetic valve are respectively connected to two pilot levels of the flow amplifying valve; a control unit is arranged on the pilot control handle; and the steering oil cylinder is connected with the flow amplifying valve. The labor intensity of a driver is reduced, and the working efficiency of the whole machine is improved.

    本发明公开了一种工程机械转向控制装置及工程机械,工程机械转向控制装置包括转向泵、转向器、流量放大阀、转向油缸、先导控制手柄、第一电磁阀、第二电磁阀,第一电磁阀包括三个接口A11、A12、A13,第二电磁阀包括三个接口A21、A22、A23;先导控制手柄进油口、转向器进油口连通于转向泵的输出端;先导控制手柄的两个出油口分别连通第一电磁阀的接口A11、第二电磁阀的接口A21;转向器的两个出油口分别连通于第一电磁阀的接口A12、第二电磁阀的接口A22;第一电磁阀的接口A13和第二电磁阀的接口A23分别连接于流量放大阀的两先导级;先导控制手柄上设置控制单元;转向油缸与流量放大阀连接。本发明的降低了驾驶员的劳动强度,提高了整机的工作效率。


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    Title :

    Engineering machinery steering control device and engineering machinery


    Additional title:

    工程机械转向控制装置及工程机械


    Contributors:
    WU ZHIQIANG (author) / WU SHUMIN (author)

    Publication date :

    2021-12-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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