Transmission device of having nutation oscillating tooth

A technology of movable tooth transmission and moving disc, which is applied in transmission devices, friction transmission devices, belts/chains/gears, etc., and can solve problems such as low load capacity, complex structure, and low transmission efficiency

Inactive Publication Date: 2005-10-26
DALIAN JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It solves the problems of complex structure, large volume, low transmission efficiency and low carrying capacity of similar devices, and is suitable for precision transmission of precision servo mechanisms such as robots, precision machine tools, aerospace, and precision testing instruments.

Method used

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  • Transmission device of having nutation oscillating tooth
  • Transmission device of having nutation oscillating tooth
  • Transmission device of having nutation oscillating tooth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] As shown in Figure 1, the structure of the nutating movable tooth transmission device of the present invention, wherein the nutating movable tooth transmission device includes the input shaft 1 inserted in the end cover 2 and the machine base 5 supported by the support bearing 25, and the input shaft 1 inserted in the bearing The output shaft 16 in the end cover 17; the end cover 2 and the bearing end cover 17 are fixed on the machine base 5 by screws, the connection part of the end cover and the machine base is provided with a gasket 15, and the connection position of the end cover 2 and the input shaft 1 Sealed by sealing ring 26 . The position of the offset shaft section of the input shaft 1 is connected with a nutating disk 21 through a bearing. The position of the offset shaft section of the input shaft can be integrated with the input shaft in order to reduce costs and ensure processing efficiency during mass production; it can also be realized by setting an offse...

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PUM

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Abstract

The invention discloses a nutation loose-teeth driving device, which comprises the input and the output shafts: the offset shaft sect is connected with the nutatoin disk throuth the bearing; the end face of the disk toward the input shaft is engaged with the fixing disk through the sphere loose-teeth of the first steel ball group along the circumferential direction; the fixing disk is fixed on the base; the other end of face of the dial toward the output shaft is engaged with the turning disk through the sphere loose-teeth of the second steel ball group along the circumferential direction; the bearing is between the turning disk and the base. The invention makes use of the roller assistant steel ball as the medium to engage with the loose-teeth between the fixing disks and the planetary turning disks. The invention is suitable for the precise driving devices.

Description

technical field [0001] The present invention relates to a transmission device, more particularly, to a planetary transmission device with movable teeth meshing. Background technique [0002] In the mechanical field, the traditional transmission method adopts gear transmission; and the meshing teeth usually adopt the form of fixed teeth, which must reserve a certain clearance for meshing. Due to the existence of gaps, the requirements of the prior art for high load capacity, high precision, high reliability, large speed ratio, and small-volume mechanical transmission cannot be met. In order to eliminate the backlash and make up for the deficiency of conventional gear transmission, a movable meshing gear transmission method is adopted at this stage, which can realize zero-backlash transmission. In recent years, the application of movable tooth transmission is mainly concentrated in the planar and cylindrical surface movable tooth transmission. [0003] For example, the Chine...

Claims

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Application Information

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IPC IPC(8): F16H13/08
Inventor 王广欣朱莉莉
Owner DALIAN JIAOTONG UNIVERSITY
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