The invention discloses an engineering vehicle lifting bridge air control system. The system comprises an air compressor; the two-position five-way electromagnetic valve and the two-position three-way electromagnetic valve are connected with an air outlet of the air compressor and are connected in parallel, two output ports of the two-position five-way electromagnetic valve are connected with a lifting air bag through a first pressure limiting valve and connected with a bearing air bag through a second pressure limiting valve respectively, and an output port of the two-position three-way electromagnetic valve is connected with a steering locking air chamber; and the vehicle control unit is used for controlling the two-position five-way electromagnetic valve to realize automatic lifting and falling of the lifting axle according to the axle load signal and controlling the two-position three-way electromagnetic valve to realize steering locking according to the reverse gear signal. Compared with the prior art, the system has the advantages of being low in cost, easy to control, high in reliability and good in safety.

    本发明公开一种工程车举升桥气控制系统,包括:空气压缩机;与所述空气压缩机出气口连接且为并联关系的二位五通电磁阀和二位三通电磁阀,所述二位五通电磁阀的两个输出口分别通过第一限压阀连接举升气囊、通过第二限压阀连接承载气囊,所述二位三通电磁阀输出口连接转向锁止气室;整车控制器,用于根据轴荷信号控制所述二位五通电磁阀实现举升桥的自动举升和下落,以及根据倒挡信号控制所述二位三通电磁阀实现转向锁止。相比现有技术,本发明具有成本低、控制简单、可靠性高、安全性好的优点。


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    Title :

    Engineering truck lifting bridge gas control system


    Additional title:

    一种工程车举升桥气控制系统


    Contributors:
    HUANG ZHE (author) / ZOU YUDI (author) / WANG TAO (author) / ZOU CHANG (author) / JIN XIN (author) / JIANG TIANXIN (author) / LI HAIXIONG (author) / ZENG TIAN (author) / HU PANFENG (author)

    Publication date :

    2023-12-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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