Planetary carrier for planetary gears
The technology of a planetary carrier and a planetary gear is applied to a planetary gear. It can solve the problems of complex maintenance of planetary gears, complex assembly and disassembly of planetary gears, etc.
Active Publication Date: 2016-09-07
MOVENTAS GEARS
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- Description
- Claims
- Application Information
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Problems solved by technology
The inconvenience associated with the support structure is that it complicates the assembly and disassembly of the planet wheels of the planetary gear
Therefore, the support structure can complicate the maintenance of the planet gears
Therefore, there is a compromise between the mechanical rigidity of the planet carrier and the complexity of maintenance of the planet gears
Method used
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Embodiment Construction
[0023] Figure 1a , 1b and 1c illustrate a planetary gear according to an exemplary embodiment of the invention. Figure 1a showing along Figure 1b and 1c A cross-sectional view taken along line B-B shown in, Figure 1b showing along Figure 1a A cross-sectional view taken along the line A-A shown in, and Figure 1c showing along Figure 1a A cross-sectional view taken along line C-C shown in . Such as Figure 1a and 1c As shown in , the planetary gear includes a sun shaft 111, a ring gear 112, planetary gears 113, 114, 115, and 116, and a planetary gear carrier 101 according to an exemplary embodiment of the present invention, which is used to support the planetary gears, This causes the planet gears to mesh with the sun shaft, and to mesh with the ring gear. The planet carrier 101 comprises a connection 117 capable of being connected to an external mechanical system, such as, but not necessarily a rotor of a wind turbine. The planet carrier 101 includes a first end po...
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A planet wheel carrier comprises first and second end-sections (102, 103) for supporting shafts of planet wheels (113-114) of a planetary gear. The planet wheel carrier comprises a support structure (104) connected to the first and second end-sections and located between the first and second end-sections in the axial direction of the planet wheels and between the planet wheels in the circumferential direction of the planet wheel carrier. The first end-section is attached to the support structure so that at least part of the first end-section is non-destructively detachable from the support structure. The fact that at least part of the first end-section can be detached from the support structure facilitates the maintenance of the planetary gear because, after removing the first end-section or its detachable part, the planet wheels can be removed and installed substantially easier than in cases where there is a traditional one-piece planet wheel carrier.
Description
technical field [0001] The invention relates to a planetary gear carrier for a planetary gear. Furthermore, the invention relates to a planetary gear. Background technique [0002] The planet gears include a planet gear carrier, a sun shaft, a ring gear and planet gears, the planet gears being supported by the planet gear carrier such that the planet gears mesh with the sun shaft and the ring gear. A planet carrier in simple form comprises: a first end for supporting the first end of the shaft of the planet wheel; and a second end for supporting the second end of the shaft of the planet wheel. However, in many cases such a planet carrier as described above can be mechanically too elastic, ie not rigid enough, so that the position of the planets with respect to the sun axis and with respect to the ring gear is not necessarily desirable, especially during high load conditions. This can lead to excessive wear of the teeth of the planet gears, the sun shaft and the ring gear. ...
Claims
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IPC IPC(8): F16H57/08
CPCF16H57/082
Inventor 亚里·托伊卡宁约尔马·蒂尔科宁
Owner MOVENTAS GEARS