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Planetary gear

A planetary gear, planetary gear technology, applied in the direction of gear transmission, belt/chain/gear, elements with teeth, etc., to reduce the need for skew compensation and prolong the service life

Pending Publication Date: 2020-08-25
MOVENTAS GEARS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If increased torque transfer capability is desired, more expensive materials will need to be used in the planet shafts

Method used

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  • Planetary gear
  • Planetary gear
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Examples

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Embodiment Construction

[0031] The specific examples provided in the following description should not be construed to limit the scope and / or applicability of the appended claims. The lists and groups of examples provided in the specification are not exhaustive unless expressly stated otherwise.

[0032] figure 1 A planetary gear is shown according to an exemplary and non-limiting embodiment. The planetary gear comprises a sun shaft 101 , a ring gear 103 , a planetary carrier 104 , planetary gears and a planetary shaft supporting the planetary wheels in a rotatable manner relative to the planetary carrier 104 . The sun shaft 101 comprises a sun gear and the planet carrier 104 is arranged to support the planet gears such that the planet gears mesh with the sun gear and the ring gear. figure 1 The sun gear is not shown. exist figure 1 , three of the planetary wheels are denoted by reference numerals 105, 106 and 107, respectively. The planet wheels 105 are shown in partial section, such that figur...

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Abstract

The invention relates to a planetary gear which comprises a planet carrier (104), a sun wheel, a gear ring (103), and planet wheels (105-107) meshing with the sun wheel and with the gear ring. Each planet wheel shaft (109) of the planetary gear is arranged to rotatably support a respective planet wheel so that, in an unloaded situation, a geometric axis of rotation (113) of the planet wheel is skewed (a) with respect to the axial direction (z) of the planetary gear. In a loaded situation, torque directed to the planet carrier causes twisting deformation in the planet carrier and thereby the skewedness of the geometric axis of rotation is at least partly eliminated by the twisting deformation. Thus, in the loaded situation, the direction of the geometric axis of rotation can be closer to the axial direction than in a planetary gear where there is no skewedness in an unloaded situation.

Description

technical field [0001] The present disclosure relates to a planetary gear. Further, the present disclosure relates to a planetary gear shaft of a planetary gear and a planetary carrier of a planetary gear. Background technique [0002] The planetary gears include a planet carrier, a sun gear, a ring gear, and planet gears that mesh with the sun gear and the ring gear. The planet wheels are supported by a planet shaft, which in turn is supported by a planet carrier. The bearings of the planet wheels can be rolling bearings or sliding bearings. In many planetary gears, the planet carrier includes a first end section with a first bore for the first end of the planet shaft; and a second end section with the second The end section has a second bore for the second end of the planetary shaft. Furthermore, the planet carrier may comprise an axial support section connected to the first end section and the second end section. When the planet gears are loaded such that torque is i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17F16H57/08
CPCF16H55/17F16H57/082F16H57/08F16H1/2836F16H1/48F16H1/2863F16H55/18F16H2055/176F16H1/32F16H57/0031F16H2001/2881F16H2001/325
Inventor 泰穆·库科拉赖纳·伦诺科
Owner MOVENTAS GEARS