The hydraulic folding pedaling ladder comprises a connecting ladder, a tail-section ladder and a hydraulic control part, the connecting ladder is hinged to the tail-section ladder, and the two ends of a hydraulic oil cylinder of the hydraulic control part are hinged to the connecting ladder and the tail-section ladder respectively; the hydraulic control component comprises a hydraulic oil tank, a hydraulic pump, a control valve, a balance valve and a hydraulic oil cylinder, main oil inlets of the hydraulic oil tank, the hydraulic pump and the control valve are sequentially connected, and a main oil return opening of the control valve is connected with the hydraulic oil tank through a hydraulic pipeline; a first working oil port of the control valve is connected with a first oil inlet of the balance valve, and a first oil outlet of the balance valve is connected with a lifting oil port of the hydraulic oil cylinder; a second working oil port of the control valve is connected with a second oil inlet of the balance valve, and a second oil outlet of the balance valve is connected with a descending oil port of the hydraulic oil cylinder. The invention further discloses a using method of the hydraulic folding pedaling ladder of the mining dump truck. The pedaling ladder is designed into a folding type and is driven by hydraulic pressure to rotate, so that a driver can get on and off the bicycle conveniently.

    本发明公开了一种矿用自卸车液压折叠蹬车梯,包括:连接梯、末段梯、液压控制部件,连接梯与末段梯相铰接,液压控制部件的液压油缸两端分别与连接梯、末段梯铰接;液压控制部件包括:液压油箱、液压泵、控制阀、平衡阀、液压油缸,液压油箱、液压泵、控制阀的主进油口依次连接,控制阀的主回油口通过液压管路连接液压油箱;控制阀的第一工作油口连接平衡阀的第一进油口,平衡阀的第一出油口连接液压油缸的举升油口;控制阀的第二工作油口连接平衡阀的第二进油口,平衡阀的第二出油口连接液压油缸的下降油口。本发明还公开了一种矿用自卸车液压折叠蹬车梯的使用方法。本发明将蹬车梯设计成折叠式并利用液压驱动转动,便于驾驶员上下车。


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    Title :

    Hydraulic folding pedaling ladder of mining dump truck and use method of hydraulic folding pedaling ladder


    Additional title:

    矿用自卸车液压折叠蹬车梯及其使用方法


    Contributors:
    ZHANG BO (author) / GUO HAIQUAN (author) / XUE JIKUI (author) / MENG YOUPING (author) / YANG ZHE (author) / LI LAIPING (author) / WANG FENGQUAN (author) / LIU QIANG (author) / MA CHAO (author) / CHEN JUNYU (author)

    Publication date :

    2022-12-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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