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Webless planetary gear set

A technology of epicyclic gear train transmission without planet carrier, applied in the direction of gear transmission, transmission, belt/chain/gear, etc.

Active Publication Date: 2012-10-03
IMO HOLDING GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of mounting leads to an increased axial structural height of the transmission, which is undesirable in many applications

Method used

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  • Webless planetary gear set
  • Webless planetary gear set
  • Webless planetary gear set

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] The transmission device 1 according to the present invention is designed for operation under severe conditions and extreme requirements, and at the same time is compact. The transmission device has a substantially cylindrical housing 2 surrounded by all moving parts.

[0058] In addition, this is not only a pure transmission device, but also a rotary connection that can transmit axial and radial forces and overturning moments between the two connecting elements. This is fulfilled by the rolling bearing structure 4 arranged in the area of ​​the outer circumference 3 of the housing 2.

[0059] This rolling support structure 4 includes two concentric rings 5, 6 with a small spacing between each other, so the gap 7 remaining between the rings 5, 6 allows smooth rotation between the two rings 5, 6.

[0060] A number of rolling elements in two rows in the present example, especially the balls 8 are located in the gap 7 between the two rings 5 ​​and 6.

[0061] As by figure 2 It can...

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PUM

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Abstract

The invention is aimed at a Wolfrom-type webless planetary gear set (1) comprising two housing parts (5, 6) which are coaxial with respect to one another, are rotatable relative to one another and have in each case one internal toothing on the respective inner side, comprising a toothed sun gear (25), and comprising a plurality of toothed planet gears (31, 32) which roll between the sun gear and the internal toothings and which are mounted in a floating fashion, that is to say without further guidance on a planet gear carrier or the like, having a rolling bearing arrangement between the two housing parts, the rolling bodies of which rolling bearing arrangement circulate on tracks situated radially outside at least one internal toothing.

Description

Technical field [0001] The present invention is positioned at a Wolfrom'sch epicyclic gear train transmission device without planet carrier for high transmission ratio. The epicyclic gear train transmission device includes: two coaxial, energy The housing parts that rotate relative to each other, the housing parts each have an internal tooth part at the relevant inner side; a toothed sun gear and a plurality of toothed planetary gears, the planetary gears in the sun gear and The internal teeth are supported in a rolling and floating manner, that is to say there is no other guidance on the planet carrier or planet gear carrier, but by means of two flat, parallel ring-shaped end sides The sliding surfaces slide along the sliding surface, and the sliding surface is arranged at the inner side of the end surfaces of the two housing parts. Background technique [0002] Such a device is known from the utility model DE 93 18 360 U1. Although the compact transmission device disclosed th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/46
CPCF16H2001/2881F16H1/28
Inventor 胡贝图斯·弗兰克
Owner IMO HOLDING GMBH