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Compound planet gear arrangement and gear wheel arrangement

A technology of gear devices and gear teeth, which is applied in the direction of gear transmission devices, hoisting devices, transmission devices, etc., can solve the problems of lack of radial stiffness and lower tolerance requirements, so as to improve performance, increase possibility, increase The effect of available space

Inactive Publication Date: 2020-01-10
CASCADE DRIVES AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This document describes that earlier attempts to produce compliant gears for damping, reduced tolerance requirements between meshing and noiseless gears failed due to lack of radial stiffness to maintain the centerline distance between meshing gears

Method used

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  • Compound planet gear arrangement and gear wheel arrangement
  • Compound planet gear arrangement and gear wheel arrangement
  • Compound planet gear arrangement and gear wheel arrangement

Examples

Experimental program
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Embodiment Construction

[0167] figure 1 a to Figure 1c as well as figure 2 A compound planetary gear arrangement according to the first aspect of the invention is schematically illustrated.

[0168] figure 1 a to Figure 1c Some structural components of an embodiment of a gear arrangement according to the first aspect of the present invention are shown. exist figure 1 a to Figure 1c , the rotating planetary gear components have been removed for improved clarity. Thus, even in figure 1 a to Figure 1c Not shown, the gear arrangement 10 according to this embodiment also includes a central first input or output shaft fixed to the ring gear and eight planetary gear units. Each planetary gear unit includes a planet gear shaft, a primary gear meshing with the ring gear, and a secondary gear meshing with a sun gear connected to a second input or output shaft.

[0169] like figure 1 a to Figure 1c As shown, the gear unit 10 also includes a housing 10 comprising several modular housing parts a...

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PUM

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Abstract

The invention relates generally to compound planet gear arrangements for transmitting torque between two rotating shafts, by splitting the torque into several torque transmitting gear components. Thegear arrangements may contain gear shifts arrangement and free-wheel arrangements. The invention also relates to gear wheel arrangements having enhanced torsional compliance capabilities, which gear wheel arrangements advantageously may be used in said compound planet gear arrangements and also at other applications such as at other over-determined systems or where intermittent loads and forces occur. According to one aspect, the invention relates to a gear wheel arrangement (700, 800, 900), comprising; a first part (710, 810, 910) which is arranged to be rotationally fixed to a shaft; a second part (720, 820, 920) which is rotatably connected to the fist part and provided with gear teeth for meshing with an adjacent gear. The first and second parts are mechanically connected by means of at least one first elastically deformable member (750, 850, 950) which allows a limited relative rotation between the first and second part. The gear teeth (721, 821, 921) of the second part (710, 810,910) are helical and the gear wheel arrangement is arranged to allow a limited relative axial displacement between the first part and the second part.

Description

technical field [0001] The present invention generally relates to a compound planetary gear arrangement for transmitting torque between two rotating shafts by dividing the torque into several torque transmitting gear members. The gear arrangement may contain a shift structure and a freewheel structure. The present invention also relates to gear arrangements with improved torsional compliance capabilities, which can advantageously be used in such compound planetary gear arrangements as well as in other applications such as other overdetermined systems or where intermittent loads and forces occur. Background technique [0002] There are many applications that require the transformation of rotational motion or torque into another rotational motion and torque. In most cases, some kind of planetary and compound planetary gear arrangement can be used for this rotary to rotary configuration. [0003] Examples of such applications are as wind and fluid power mills where high torqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/08F16H3/66F16H3/78F16H55/14
CPCF16H57/082F16H3/78F16H55/12F16H55/14F16H55/17F16H55/18F03D15/00F05B2260/403F05B2260/79Y02E10/72B60K7/0007B60K2007/0061F16D3/06F16D3/12F16H3/44
Inventor S·伦德贝克
Owner CASCADE DRIVES AB