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Gearing

A technology of transmission device and transmission ratio, which is applied in the direction of transmission device, belt/chain/gear, mechanical equipment, etc. It can solve the problems of poor efficiency of harmonic drive transmission device, low torsional stability, and no flexible spline.

Active Publication Date: 2009-08-19
WITTENSTEIN GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, flex splines have no overload capability and break quickly at too high a torque
Additionally, harmonic drive transmissions have poor efficiency and low torsional stability

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0059] according to figure 1 , the transmission R configured as a coaxial transmission 1 There is an internal gear 1 with built-in teeth 2 .

[0060] Inside the internal gear 1 is mounted an element 3 in a ring-shaped manner, wherein a plurality of sector gears 5 (Zahnsegment) are mounted in the ring-shaped arrangement of the elements 3, the sector gears 5 being mounted radially side by side and mounted on corresponding guides 4 (Fuehrung). The sector gear 5 is installed in the guide 4 in a reciprocating manner in the radial direction, and is provided with a tooth profile 6 on one end.

[0061] Inside the element 3 that accommodates the sector gear 5 is provided a drive element 7 that is configured as a shaft or a hollow shaft that has a profiler 8 (Profilierung) that has, for example, a profile, a protrusion And it is polygonal or cam-shaped.

[0062] If necessary, a bearing 10 is provided between the outer contour 9 of the shaping device 8 of the drive element 7 and an e...

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PUM

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Abstract

In a gearing, in particular coaxial gearing, hollow shaft gearing, hypoid gearing, axial gearing or linear gearing, with a driving element (7), an element (3) and an output element (11), a stepping-up and transmission of a driving torque between driving element (7) and output element (11) are to take place via a plurality of movable tooth segments (5).

Description

technical field [0001] The invention relates to a transmission, in particular a coaxial transmission, a hollow shaft transmission, a hypoid transmission, an axial transmission or a linear transmission, which has a drive element, an element and an output element. Background technique [0002] Conventional transmissions in various forms and implementations are disclosed and available on the market. [0003] There are mainly three transmissions of different technologies used in the market. One is a planetary gear unit known on the market, in which, for example, one or more planet gears are arranged coaxially inside an internal gear, and the torque is transmitted to the planet gear carrier or driven element. [0004] In such rotary drives or planetary gears, no higher transmission speeds occur and no higher torques can be transmitted with a small hollow shaft diameter. In addition, this transmission has very low rigidity and low robustness, in that it has a low overload capac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/06F16H49/00
CPCF16H2025/066F16H25/06F16H49/001Y10T74/19555Y10T74/19005Y10T74/19893Y10T74/19Y10T74/19219
Inventor 托马斯·拜耳迈克尔·施密特
Owner WITTENSTEIN GROUP
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