Small and light-weight high-power heavy-load electric wheel lubricating and sealing method and structure
A technology with a sealing structure and high power density, which is applied in the direction of gear lubrication/cooling, electric components, electromechanical devices, etc., and can solve the problems of lack of sealing and lubrication for the miniaturization and light weight of electric drive wheels, so as to ensure lubrication and reduce volume Effect
Active Publication Date: 2021-07-16
HUZHOU CRRC SPECIAL ELECTRICAL EQUIP CO LTD
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Problems solved by technology
[0008]Through careful analysis of the above patents, although these patents all involve the integration of the reducer and the drive motor, some patents involve the drive wheel Sealing and lubrication have also proposed some improved technical solutions, but these technical solutions are not completely suitable as the sealing method and structure of small, lightweight and high-power-density electric drive wheels, especially the lack of overall miniaturization and lightness of electric drive wheels Comprehensive consideration of quantitative sealing and lubrication, so it still needs to be further studied and improved
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Embodiment 1
[0031] From attached figure 1 It can be seen that the present invention relates to a small, lightweight, high-power, heavy-duty electric wheel lubrication and sealing structure, including a drive motor end cover 1, a drive motor rotor 2, a reducer left end casing 3, a reducer right end casing 4, and a reducer Output shaft 5, wheel hub connection support ring 6 and wheel hub 7; drive motor end cover 1, drive motor rotor 2, reducer left end casing 3, reducer right end casing 4, reducer output shaft 5, wheel hub connection support ring 6 The airtight space 10 formed by combining with the hub 7 is provided with a bearing 8 and a gear 9 in the airtight space 10; seals 11, 12 are arranged at the positions of the static and dynamic joints in the airtight space 10, and the seals 11, 12 Seal the dynamic and static joints in the enclosed space 10 .
[0032] Further, through the analysis of the integrated structure of the drive motor and the reducer, it is determined that the positions ...
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The invention discloses a small and light-weight high-power heavy-load electric wheel lubricating and sealing method and structure. According to the characteristics of a double-brake high-power-density heavy-load electric wheel, a speed reducer and a driving motor rotor are integrated together in a limited space position, and comprehensive lubricating and sealing are conducted on an integrated device structure; and according to comprehensive lubricating and sealing, lubricating and sealing are conducted on a driving motor rotor and speed reducer combined cavity formed by integrating a driving motor and the speed reducer, and the sealing method and structure for miniaturization and lightweight of the high-power-density heavy-load electric wheel are achieved. According to the small and light-weight high-power heavy-load electric wheel lubricating and sealing method and structure, on the premise that the high-power-density heavy-load characteristic is kept, the sealing mode is reliable, the sealing structure is compact, and miniaturization and lightweight of the high-power-density heavy-load electric wheel can be achieved easily.
Description
technical field [0001] The invention relates to a sealing method and structure of an electric drive power assembly, in particular to a method and structure for lubricating and sealing a small, lightweight, high-power, heavy-duty electric wheel. The lubricating and sealing method and structure can effectively perform sealing on the basis of small and lightweight high-power and heavy-duty electric wheels; it belongs to the technical field of electric drive manufacturing. Background technique [0002] The electric drive using electric power as the driving power is a new energy drive mode widely promoted and applied at present, and its application range is getting wider and wider, and the "two-in-one electric drive assembly" composed of the drive motor and the reducer, and the The "three-in-one electric drive assembly" composed of drive motor, reducer and brake device is also gradually formed. However, as the application of electric drive wheels becomes more and more widespread...
Claims
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IPC IPC(8): F16H57/023F16H57/029F16H57/021F16H57/04H02K7/116B60K7/00
CPCF16H57/023F16H57/029F16H57/021F16H57/04H02K7/116B60K7/0007B60K2007/0092
Inventor 周志宇倪大成董平李文陆雄建彭乐彭鸿基
Owner HUZHOU CRRC SPECIAL ELECTRICAL EQUIP CO LTD
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