The invention relates to a satellite attitude control momentum wheel vacuum sealing valve and air exhaust assistance device, which comprises a vacuum sealing valve and an air exhaust assistance device, and is characterized in that the vacuum sealing valve comprises a shell, a supporting plate, a spring, a threaded valve element and a sealing ring, the shell is provided with a through hole, the supporting plate is placed on the through hole, the spring is arranged in a clamping groove of the supporting plate, the threaded valve element is placed on the spring, the threaded valve element is provided with an annular groove, the sealing ring is placed in the annular groove, and part of an element body of the threaded valve element penetrates through the shell; and the air exhaust assistance device comprises a two-way valve, an adjusting screw, a top cover and an air exhaust adapter, the adjusting screw is arranged in the two-way valve, one end of the adjusting screw is in contact with thethreaded valve element, the other end of the adjusting screw is in threaded connection with the top cover, and the air exhaust adapter is communicated and connected with the side wall of the two-way valve. The device has the beneficial effects that the sealing performance of a momentum wheel is improved, so that the momentum wheel is enabled to be compact in spatial layout, high in repeatable operation and good in maintainability and can be used for a long service life.

    本发明涉及一种卫星姿控动量轮真空密封阀及抽气辅助装置,包括真空密封阀和抽气辅助装置,其特征在于:所述真空密封阀包括壳体、支撑板、弹簧、螺纹阀芯、密封圈,所述壳体上设有通孔,支撑板放置在通孔上,弹簧设置在支撑板的卡槽中,螺纹阀芯放置在弹簧上,螺纹阀芯上设有环形槽,密封圈放置在环形槽内,螺纹阀芯部分芯体穿过壳体;所述抽气辅助装置包括两通阀、调整螺杆、顶盖、抽气转接头,所述调整螺杆设置在两通阀中,调整螺杆一端与螺纹阀芯接触、另一端与顶盖螺纹连接,抽气转接头与两通阀侧壁贯通且连接。本发明的有益效果是提高动量轮的密封性能,使其空间布局紧凑,可重复操作高,有较好的维修性,可用于长寿命使用。


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    Title :

    Satellite attitude control momentum wheel vacuum sealing valve and air exhaust assistance device


    Additional title:

    一种卫星姿控动量轮真空密封阀及抽气辅助装置


    Contributors:
    WANG HAIJUN (author) / XU XIAOWEI (author) / FENG DAQIANG (author) / MA JUNTAI (author) / LYU MINGSHUAI (author) / SUN JUNHAO (author) / WANG YIDA (author) / FAN ZHENLEI (author) / ZHANG XINYU (author) / XIA HUI (author)

    Publication date :

    2020-04-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS / F16K VALVES , Ventile