Provided is a hydraulic variable pump set, including a pump body component and an oil supplement component. The pump body component includes a pump body, a first slide valve, and a first control valve. The first slide valve includes a spring end and a pilot cavity. The first control valve is provided with an oil inlet A, an oil inlet B, and an oil outlet T. The pump body includes a variable pump and a variable cylinder. The variable pump includes a swash plate. The variable cylinder includes a rod cavity and a rodless cavity. The variable cylinder is mechanically connected to the spring end and the swash plate. The oil supplement component is in communication with the pilot cavity.


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    Title :

    HYDRAULIC VARIABLE PUMP SET AND EXCAVATOR


    Contributors:
    CUI KAI (author) / QIN XUXIN (author) / YANG GUOXI (author) / YANG FEI (author)

    Publication date :

    2022-03-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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