The traction machine comprises a fixed main shaft, a rotor, a bearing, a bearing limiting device and a sealing device, and a bearing cavity is formed between the fixed main shaft and the rotor; the bearing is arranged in the bearing cavity and is used for connecting and fixing the main shaft and the rotor; the bearing limiting device is mounted on the fixed main shaft and is used for fixing the bearing; the sealing device comprises a sealing cover, a threaded plug, a first sealing ring and a second sealing ring; the sealing cover is mounted on the fixed main shaft; the outer circumferential surface of the sealing cover is matched with the second sealing ring to realize a sealing effect; an oil injection threaded hole communicated with the bearing cavity is formed in the sealing cover, and the threaded plug is used for preventing grease in the bearing cavity from overflowing from the oil injection threaded hole; the outer circumferential surfaces of the first sealing ring and the second sealing ring are mounted on the rotor in a tight fit manner; the inner circumferential surface of the first sealing ring is matched with the fixed main shaft; the second sealing ring is arranged on the outer side of the bearing limiting device in the radial direction and matched with the outer circumferential face of the sealing cover.

    本发明公开了一种曳引机,包括固定主轴、转子、轴承、轴承限位装置和密封装置,固定主轴与转子之间形成轴承腔体;轴承设置在轴承腔体内,用于连接固定主轴和转子;轴承限位装置安装在固定主轴上,用于固定轴承;密封装置包括密封盖、螺纹塞子、第一密封圈和第二密封圈;所述密封盖安装在固定主轴上,密封盖的外圆周面与第二密封圈进行配合实现密封效果;密封盖上有与轴承腔体连通的注油螺纹孔,所述螺纹塞子用于防止轴承腔体内油脂从所述注油螺纹孔中溢出;所述第一密封圈和第二密封圈的外圆周面通过紧配合安装在转子上;第一密封圈的内圆周面与固定主轴配合;第二密封圈布置在轴承限位装置径向方向上的外侧,与密封盖的外圆周面配合。


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    Title :

    Traction machine


    Additional title:

    曳引机


    Contributors:
    LEI YINAN (author) / DAI ZHIYONG (author) / LI JIE (author) / LI WEI (author)

    Publication date :

    2024-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / F16C SHAFTS , Wellen



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