The invention provides a main/pre-pressurization integrated system, which can solve the technical problem of a fuel supply system of an existing aircraft, and comprises a driving part and a main/pre-pressurization integrated double-motion-degree-of-freedom piston pump, the main/pre-pressurization integrated double-motion-degree-of-freedom piston pump comprises a cooling centrifugal pump, a speed reducer, a double-motion-degree-of-freedom piston pump and a pressurization part, a pump core of the double-motion-freedom-degree piston pump is of an upper/lower pump core integrated series connection structure and comprises a first piston structure and a second piston structure, the first piston structure and the second piston structure are each of a piston and cam guide rail integrated structure, the cam guide rail is located in the middle of a piston, and two sleeve structures symmetrically extend out of the two sides of the cam guide rail. Each oil cylinder comprises an outer side cylinder and an inner side cylinder, and the outer side cylinder and the inner side cylinder are respectively provided with a plurality of oil discharge ports and oil suction ports in the circumferential direction; the driving part, the cooling centrifugal pump, the speed reducer and the double-motion-freedom-degree piston pump are sequentially connected, the pressurizing part is arranged at a fuel oil upstream inlet of the piston pump, and fuel oil enters the piston pump, the speed reducer and the cooling centrifugal pump in sequence after being subjected to pre-pressurizing.

    本发明提供了一种主/预增压一体化系统,能够解决现有飞行器的燃油供给系统存在的技术问题,包括驱动部和主/预增压一体双运动自由度活塞泵,主后者包括冷却离心泵、减速器、双运动自由度活塞泵和增压部,双运动自由度活塞泵的泵芯采用上/下两联泵芯一体化串联结构,包括第一、二活塞结构,第一、二活塞结构均采用活塞和凸轮导轨一体化结构,凸轮导轨位于活塞的中部,凸轮导轨两侧对称长出两套筒结构,对于任意套筒结构,其均包括外、内侧筒,外、内侧筒上周向分别开设有多个排油口和吸油口;驱动部、冷却离心泵、减速器以及双运动自由度活塞泵依次连接,增压部设置在活塞泵的燃油上游入口,燃油经预增压后依次进入活塞泵、减速器和冷却离心泵。


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    Title :

    Main/pre-pressurization integrated system based on double-motion-freedom-degree piston pump


    Additional title:

    一种基于双运动自由度活塞泵的主/预增压一体化系统


    Contributors:
    WANG LINGFENG (author) / PAN CHENGJIAN (author) / HUANG YEQING (author) / SUN JIANBO (author) / GUO MING (author) / GUAN CHENGQI (author)

    Publication date :

    2023-04-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS



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