Flexible gear ring and planetary gear system with flexible gear ring

A planetary gear train, flexible gear technology, applied in gear transmissions, components with teeth, belts/chains/gears, etc., can solve the problem that the load is not always complete, cannot fully reflect the power distribution, system vibration and other problems

Inactive Publication Date: 2017-09-05
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to factors such as gear installation and manufacturing eccentric error, gear machining accuracy and other factors, the load may not be completely evenly distributed, so the characteristics of power splitting cannot be fully reflected, and it will also cause vibration and noise of the system and affect the service life.

Method used

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  • Flexible gear ring and planetary gear system with flexible gear ring
  • Flexible gear ring and planetary gear system with flexible gear ring
  • Flexible gear ring and planetary gear system with flexible gear ring

Examples

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Embodiment Construction

[0019] A flexible ring gear and a planetary gear train with a flexible ring gear proposed by the present invention will be described in detail below with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "left", "right", "upper", "lower", "bottom" etc. is based on the orientation or positional relationship shown in the drawings The positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, "first", "second", etc. It does not indicate the importance of components, so it should not be construed as limiting the present invention. The specific dimensions used in this embodiment are only for illustrating the technical solution, and do not l...

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Abstract

The invention discloses a flexible gear ring and a planetary gear system with the flexible gear ring. The flexible gear ring is of a wavy structure, and the wavy structure is used for adjusting the flexibility of the flexible gear ring. The planetary gear system with the flexible gear ring comprises a sun gear and a planet gear. The planetary gear system is characterized by further comprising a flexible gear and a sleeve, the flexible gear is connected with the sleeve, the flexible gear is engaged with the planet gear, and meanwhile the planet gear is engaged with the sun gear; and the flexible gear is of a wavy structure, and the wavy structure is used for adjusting the flexibility of the flexible gear ring. The flexible gear ring and the planetary gear system with the flexible gear ring are widely applied to planet gear transmission in the fields of helicopter main retarders and inner reduction gearboxes of aircraft engines, and meet the requirements for low weight and high reliability of aircraft products. The structure of the flexible gear ring is adjustable to adapt to needs for structures with different flexibilities, uniform load of the planetary gear system and damping of the system are facilitated, and the reliability and the stability of the planetary gear system are improved remarkably.

Description

technical field [0001] The invention belongs to the technical field of mechanical transmission, in particular to a flexible ring gear and a planetary gear train with the flexible ring gear. Background technique [0002] Planetary gear transmission is widely used in various transmission fields such as aviation, ships, automobiles, wind turbines and heavy machinery. Compared with ordinary gear transmission, planetary gear transmission has unique advantages such as large transmission ratio, compact structure, high transmission efficiency, large carrying capacity and stable transmission. But to realize these advantages, the planetary gear load distribution should be as even as possible. Due to factors such as gear installation and manufacturing eccentric error, gear machining accuracy and other factors, the load may not be completely evenly distributed, so the characteristics of power splitting cannot be fully reflected, and it will also cause vibration and noise of the system,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17F16H55/14F16H55/08F16H1/28
Inventor 靳广虎杨莉陆凤霞鲍和云朱如鹏李丰波范永
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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