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Inter-tooth transmission structure of speed reducer

A technology of transmission structure and reducer, applied in the direction of gear transmission, transmission, mechanical equipment, etc., can solve the problem of large transmission friction between the teeth of the reducer

Pending Publication Date: 2020-04-21
广东大市智能装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an inter-tooth transmission structure of the reducer, which solves the technical problem of relatively large transmission friction between the teeth of the reducer in the prior art

Method used

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  • Inter-tooth transmission structure of speed reducer
  • Inter-tooth transmission structure of speed reducer
  • Inter-tooth transmission structure of speed reducer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment one: if figure 1 and 2 As shown, on the basis of the above technology, the inter-tooth transmission structure also has a transmission structure similar to the cycloid reducer, as follows:

[0024] The inner wheel 2 is selected as a cycloidal wheel, and the outer wheel 1 is selected as a pin-toothed housing.

[0025] In this embodiment, at least three support holes 22 are opened on the inner wheel 2 , and the support holes 22 are supported by ball bearings 4 .

[0026] In this embodiment, the number of said inner wheels 2 is four.

Embodiment 2

[0027] Embodiment two: if image 3 and 4 As shown, on the basis of the above technology, the inter-gear transmission structure also has a transmission structure similar to a harmonic reducer, specifically as follows: the inner wheel 2 is a flexible gear, and the outer wheel 1 is a rigid gear.

[0028] The rolling element 3 is a cylindrical rolling element. Specifically, the cylindrical rolling element is a rigid cylindrical rolling ball, and the type of the cylindrical rolling element may be a rolling needle, a rolling ball or a miniature rolling bearing.

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Abstract

The invention provides an inter-tooth transmission structure of a speed reducer. The inter-tooth transmission structure comprises an outer wheel, inner wheels and a rolling piece arranged between theouter wheel and the inner wheels. When the inner wheels eccentrically swing relative to the outer wheel, one face of the rolling piece rotates around the axis of the rolling piece and the other face of the rolling piece revolves with the central axis of the outer wheel as the center. According to the inter-tooth transmission structure, the transmission friction between the outer wheel and the inner wheels can be reduced to a large degree, the inter-tooth transmission structure has the beneficial effects that the transmission efficiency is high, the requirement for materials is low, and the service life is long.

Description

technical field [0001] The invention relates to the technical field of reducer transmission, in particular to an inter-tooth transmission structure of the reducer. Background technique [0002] Transmission devices used in robots, precision machine tools, aerospace and other precision servo mechanisms require high transmission precision, high transmission stiffness, large transmission ratio, high transmission efficiency, small size, light weight, small transmission hysteresis, and small moment of inertia of rotating parts Features. In the prior art, the patent name is a cycloidal pinwheel harmonic transmission device (notification number: CN207261609U, announcement date 2018-04-20) discloses related technology, in this patent document, rigid wheel and flexible The wheel is connected by a needle roller, and a rib structure is designed in the rigid wheel so that the needle roller is constrained in this semicircular groove. In the reducer of the planetary system, a fixed need...

Claims

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Application Information

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IPC IPC(8): F16H1/32F16H49/00
CPCF16H1/32F16H49/001F16H2001/327
Inventor 胡松林黄亮
Owner 广东大市智能装备有限公司
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