The invention discloses an electro-hydraulic steering gear system suitable for a light truck in a low-temperature environment, which comprises a power steering pipeline device, the power steering pipeline device comprises a steering oil can, a steering oil inlet pipe, a steering oil return pipe, an electric steering oil pump and an electro-hydraulic steering gear, and heating wires are arranged in the steering oil inlet pipe, the steering oil return pipe and the steering oil can; heating sheets are arranged outside the electric steering oil pump, and the heating wires and the heating sheets corresponding to the steering oil inlet pipe, the steering oil return pipe and the steering oil can are connected in series and are electrically connected with the low voltage of the whole vehicle. According to the electro-hydraulic steering gear system suitable for the light truck in the low-temperature environment, the heating wires arranged in the steering oil inlet pipe, the steering oil return pipe and the steering oil can and the heating piece arranged outside the electric steering oil pump form a pipeline temperature rising structure, and in the low-temperature environment, the electric steering oil can be heated within 5 minutes after being started; the oil temperature in the whole power steering pipeline device is increased to a required value larger than-5 DEG C, the noise of a steering oil pump is smaller than 65 dB, and meanwhile the steering force meets the requirement of (25 +/-5) N.

    本发明公开了一种轻卡适用低温环境的电液转向器系统,包括:动转管路装置,所述动转管路装置包括:转向油壶、转向进油管、转向回油管、电动转向油泵和电液转向器,转向进油管、转向回油管和转向油壶中布置有加热丝,电动转向油泵外部设置有加热片,转向进油管、转向回油管和转向油壶所对应的加热丝和加热片串联,并与整车低压电连接。本发明提供的轻卡适用低温环境的电液转向器系统,布置在转向进油管、转向回油管和转向油壶中的加热丝和设置在电动转向油泵外部的加热片组成管路升温结构,在低温环境下,可在启动5分钟之内,使整个动转管路装置中的油温升高至要求值>‑5℃,转向油泵噪音<65dB,同时转向力满足(25±5)N。


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    Title :

    Electro-hydraulic steering gear system suitable for low-temperature environment of light truck


    Additional title:

    一种轻卡适用低温环境的电液转向器系统


    Contributors:
    NIU YINGKAI (author) / TANG GENG (author) / WANG YALI (author) / YUAN ZHIMING (author)

    Publication date :

    2023-09-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / B62D MOTOR VEHICLES , Motorfahrzeuge



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