Line gear mechanism with variable angle drive

A technology of angle transmission and wire gear, applied in the direction of transmission, transmission parts, gear transmission, etc., can solve the problems of lack of reliability of flexible shaft, unsuitable small size of coupling, etc., to achieve simple design, convenient processing, The effect of small mass and volume

Active Publication Date: 2018-05-11
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the tiny mechanical devices with limited scale, sometimes there is a transmission requirement to change the transmission angle, which is difficult to achieve in a controlled way, and the traditional coupling is not suitable for small scales, and the flexible shaft lacks certain reliability.

Method used

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  • Line gear mechanism with variable angle drive
  • Line gear mechanism with variable angle drive
  • Line gear mechanism with variable angle drive

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Embodiment Construction

[0043] The purpose of the invention of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the embodiments cannot be repeated here one by one, but the implementation of the present invention is not therefore limited to the following embodiments.

[0044] Such as figure 2 and 3As shown, a wire gear mechanism with variable angle transmission, the mechanism consists of a pair of intersecting axis gears to form a transmission pair, including a driving wheel 3 and a driven wheel 1, and the driving wheel 3 and driven wheel 1 are composed of a wheel body and a wire Composed of teeth, the contact line between the wire teeth 4 of the driving wheel and the wire teeth 3 of the driven wheel meshes according to a pair of space conjugate curves. There are one or more wire teeth on the driving wheel, and the wire teeth on the driven wheel have a variable angle The gears of the transmission nature, durin...

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Abstract

The invention discloses a line gear mechanism with variable angle drive. The mechanism adopts a pair of intersecting axis gears for forming a drive pair and comprises a driving wheel and a driven wheel. The driving wheel and the driven wheel are each composed of a wheel body and line teeth. The contact lines of the driving wheel line teeth and the driven wheel line teeth are engaged according to apair of space conjugate curves. The driving wheel is provided with one or more line teeth. The line teeth on the driven wheel are line teeth with the variable angle drive property. In the drive process, the drive angle of the intersecting axis gear pair can be adjusted, thus, engagement points are located on different contact lines, meanwhile, the drive ratio is kept constant, and drive is stable. The contact lines of a driving line gear and a driven line gear are different at different drive angles, the gear mechanism can have the same drive ratio through the different engagement lines, andstepless variable angle drive with a fixed drive ratio between two shafts can be achieved.

Description

technical field [0001] The invention relates to the field of mechanical transmission, in particular to a linear gear mechanism based on space conjugate curve meshing and variable angle transmission. Background technique [0002] In the speed-up or speed-down transmission between two shafts, the gear that can realize variable transmission angle is called variable-angle transmission gear. The gear mechanism of variable angle transmission is mainly used in transmission occasions with special requirements, such as direction adaptive generator, variable angle shaver, submersible direction control and so on. [0003] At present, the mechanisms used for variable angle transmission mainly include couplings and flexible shafts. The coupling can realize the function of variable-angle transmission between two shafts; the shafts connected at both ends of the universal coupling can obtain variable-angle transmission. The variable-angle transmission of the flexible shaft is determined b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/02F16H57/023
CPCF16H1/02F16H57/023F16H1/125F16H55/22F16H1/006F16H55/0846F16H35/16
Inventor 陈扬枝何超吕月玲
Owner SOUTH CHINA UNIV OF TECH
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