An optimal design method for heavy-load and eccentric-load gear transmission system based on kinematic stability

A motion stability and optimization design technology, applied in design optimization/simulation, instrumentation, geometric CAD, etc., can solve problems such as noise, reduce the service life of the gear transmission system, and vibration of the gear transmission system, so as to improve work performance and modeling Consider the effect of comprehensive and optimized design

Active Publication Date: 2022-07-05
BEIHANG UNIV
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Problems solved by technology

Special nonlinear dynamic behaviors such as bifurcation, chaos, and amplitude mutation caused by resonance will cause the meshing force between gears to be in a state of irregular motion for a long time, or even change abruptly, resulting in vibration and noise in the entire gear transmission system. Reduced service life of the gear drive system

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  • An optimal design method for heavy-load and eccentric-load gear transmission system based on kinematic stability
  • An optimal design method for heavy-load and eccentric-load gear transmission system based on kinematic stability
  • An optimal design method for heavy-load and eccentric-load gear transmission system based on kinematic stability

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Embodiment Construction

[0052] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but the implementation of the present invention is not limited thereto.

[0053] The invention proposes an optimization design method for heavy-load and eccentric-load gear transmission systems based on motion stability. By establishing a nonlinear dynamic model of the gear transmission system and combining the theoretical knowledge of nonlinear dynamics, the optimization of the gears is realized. design.

[0054] Including nonlinear dynamic modeling and dynamic characteristic analysis of gear transmission system. In order to clearly and concisely describe the method proposed by the present invention, in figure 1 A simplified model is used in place of the specific gear train model. The design flow chart of this method is as follows figure 2 shown, the specific steps are as follows:

[0055] Step 1: Refine various internal and external ...

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Abstract

The invention discloses an optimization design method for a heavy-load and eccentric-load gear transmission system based on motion stability. The method includes: extracting various internal and external incentive factors affecting the stability and accuracy of the gear transmission, and focusing on introducing due to The influence of the time-varying center distance on the meshing line caused by the deformation of the transmission shaft and the supporting element caused by the heavy load and the gear swing effect caused by the eccentric load are established. Solve the problem, and extract the parameter interval of the stable motion of the system with the help of nonlinear dynamics theory, so that the system can avoid complex nonlinear dynamics behavior, and achieve the purpose of guiding gear processing design and parameter optimization.

Description

technical field [0001] The invention relates to an optimal design method for a heavy-load and eccentric-load gear transmission system based on motion stability. The influence of the time-varying center distance on the meshing line caused by the deformation of the transmission shaft and the supporting element caused by the load and the gear swing effect caused by the eccentric load are established. To solve the problem, judge the motion stability of the system with the help of nonlinear dynamics theory, extract the parameter interval of the stable motion of the system, and avoid complex dynamic response, so as to achieve the purpose of guiding gear processing design and parameter optimization. Background technique [0002] The traditional design process of gear transmission system is mostly designed for the strength of transmission components such as gears and transmission shafts, including gear material selection, force analysis, check calculation of gear fatigue strength, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17G06F30/20G06F119/14
CPCG06F30/17G06F30/20G06F2119/14Y02T90/00
Inventor 边宇枢刘喜辉田冬博靳博涵彭佳乐
Owner BEIHANG UNIV
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