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The Design Method of the Center Wheel Tooth Shape of the Nutating Movable Gear Transmission Mechanism

A technology of movable tooth transmission and design method, which is applied to mechanical equipment, components with teeth, belts/chains/gears, etc., and can solve problems such as uncertain ball movement and reduced transmission meshing performance

Active Publication Date: 2016-01-06
DALIAN JIAOTONG UNIVERSITY
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

For example, the application number is JP2001349387A, which uses oval, dot, and cycloid as the nutating transmission device, because the cycloidal tooth profile of the rotating disk has sharp points, which leads to undercutting in the actual tooth profile after processing. , there is a problem of uncertain movement of the ball at this position, thus reducing the meshing performance of the transmission

Method used

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  • The Design Method of the Center Wheel Tooth Shape of the Nutating Movable Gear Transmission Mechanism
  • The Design Method of the Center Wheel Tooth Shape of the Nutating Movable Gear Transmission Mechanism
  • The Design Method of the Center Wheel Tooth Shape of the Nutating Movable Gear Transmission Mechanism

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Embodiment Construction

[0036] figure 1 , 2 , 3, 4, 5, 6, 7, and 8 show specific embodiments of the present invention, which are the center wheel tooth shape of the nutating movable tooth transmission mechanism combined with the roller bevel movable tooth, including the central wheel, and its characteristics That is: the tooth shape of the center wheel 1 adopts a spherical arc curve tooth shape, and each single tooth 2 tooth shape is composed of two symmetrical hemispherical circular curves, and each hemispherical circular curve is formed by the tooth root point a 1 and cut point b 1 between a 1 b 1 Arc curve, tangent point b 1 and tooth apex c 1 between b 1 c 1 It is composed of circular curves, and the junction of the adjacent two circular curves transitions smoothly into an overall smooth spherical arc curve tooth shape.

[0037] The design method of the center wheel tooth profile of the nutating movable tooth transmission mechanism is characterized in that: the steps of the design metho...

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Abstract

The invention belongs to nutation movable tooth transmission devices, particularly relates to a central gear tooth shape of a nutation movable tooth transmission mechanism and a design method of the central gear tooth shape. The central gear tooth shape comprises a central gear and is characterized in that the tooth shape of the central gear (1) is a spherical arc curve, the tooth shape of each single tooth (2) is formed by two symmetric hemispherical circular curves, each semispherical circular curve is formed by an arc curve a1b1 between a tooth root point a1 and a tangent point b1 and a circular curve between a tangent point b1 and a tooth vertex b1, and a joint of each two circular curves forms the spherical arc curve tooth shape integrally smooth through smooth transition. The central gear tooth shape of the nutation movable tooth transmission mechanism is reasonable in design, simple and practical, convenient to process, low in noise and the like, and root cutting is reduced while meshing performance is improved.

Description

technical field [0001] The invention belongs to a nutating movable tooth transmission device, in particular to a tooth shape of a center wheel of a nutating movable tooth transmission mechanism and a design method thereof. Background technique [0002] As we all know, the development of the tooth shape of the center wheel of its nutating movable tooth transmission is the main driving force to promote the transmission. With the continuous development of new technologies and the continuous improvement of processing technology, the tooth profile of the center wheel has been continuously updated and developed. The main purpose of the study on the tooth shape of the sun gear is to improve the meshing performance and the performance of the nutating movable tooth transmission. The center wheel includes a fixed center wheel and a rotating center wheel, and its tooth profile is generally connected end to end by multiple tooth curves. Commonly used tooth lines are: points, straight ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H55/17G06F19/00
Inventor 王广欣朱莉莉李林杰何文杰
Owner DALIAN JIAOTONG UNIVERSITY
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