本文選題：人字齒行星傳動　切入點：動力學(xué)　出處：《哈爾濱工業(yè)大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：人字齒行星傳動系統(tǒng)結(jié)合了人字齒輪傳動和行星齒輪傳動系統(tǒng)的特點,相比于常規(guī)齒輪傳動系統(tǒng),其具有單級傳動比大、傳動平穩(wěn)、效率高以及承載能力強(qiáng)等一系列優(yōu)點。與此同時,行星傳動系統(tǒng)的結(jié)構(gòu)較復(fù)雜,其制造及安裝過程中不可避免的會引入一定的誤差,從而使系統(tǒng)產(chǎn)生振動加劇、運轉(zhuǎn)噪聲過大及壽命降低等不利現(xiàn)象。因此有必要對其開展振動相關(guān)實驗及仿真研究,為系統(tǒng)的設(shè)計過程提供一定的指導(dǎo)�；谌俗铸X行星傳動系統(tǒng)的平移-扭轉(zhuǎn)耦合動力學(xué)模型,設(shè)計系統(tǒng)固有特性的測試方法,確定傳感器的布置方式,推導(dǎo)振動數(shù)據(jù)處理公式。根據(jù)現(xiàn)有研究中對行星傳動系統(tǒng)均載特性的分析方法,設(shè)計基于齒圈側(cè)面齒根應(yīng)力的行星傳動系統(tǒng)均載特性測試方法,分析應(yīng)變片的布置形式以及橋路搭接方法。根據(jù)某型直升機(jī)主減速器的工作特性,設(shè)計其中人字齒行星傳動系統(tǒng)的齒輪基本參數(shù);以相似理論為基礎(chǔ),設(shè)計易于加工及開展試驗研究的齒輪系統(tǒng)相似模型。綜合考慮傳感器的安裝形式以及數(shù)據(jù)傳輸方法,設(shè)計用于測試人字齒行星傳動系統(tǒng)固有特性以及均載特性的試驗齒輪箱及試驗臺架結(jié)構(gòu),完成驅(qū)動電機(jī)、負(fù)載設(shè)備以及各種傳感器的選型。在ADAMS中建立人字齒行星傳動系統(tǒng)的平移-扭轉(zhuǎn)耦合等效分析模型,運用該模型分析系統(tǒng)的固有頻率及構(gòu)件振動的傳遞函數(shù),分析不同剛度參數(shù)對系統(tǒng)固有頻率的影響趨勢。在Solidworks中建立行星傳動系統(tǒng)三維模型,將模型導(dǎo)入到ADAMS中添加質(zhì)量屬性及約束,建立考慮軸承彈性支撐的系統(tǒng)虛擬樣機(jī)模型。對模型進(jìn)行運動學(xué)分析,驗證模型的準(zhǔn)確性,提取各嚙合副的嚙合力并分析系統(tǒng)的均載特性。完成單級人字齒行星傳動系統(tǒng)的動態(tài)特性測試平臺的搭建工作,提出振動測試中加速度計的安裝及引線方法,對系統(tǒng)中關(guān)鍵構(gòu)件進(jìn)行振動實驗分析。根據(jù)均載特性測試中應(yīng)變片布置方法,對行星傳動系統(tǒng)進(jìn)行均載特性實驗,求解系統(tǒng)均載系數(shù)并分析其均載特性。
[Abstract]:The herringbone planetary transmission system combines the characteristics of the herringbone gear drive and the planetary gear transmission system. Compared with the conventional gear transmission system, the herringbone planetary transmission system has a large single-stage transmission ratio and stable transmission. At the same time, the structure of the planetary transmission system is more complicated, and some errors will inevitably be introduced in the process of manufacture and installation, which will make the system produce more vibration. Therefore, it is necessary to carry out vibration related experiments and simulation studies. Based on the translation-torsional coupling dynamic model of the herringbone planetary transmission system, the test method of the inherent characteristics of the system is designed, and the sensor layout is determined. The formula of vibration data processing is derived. According to the analysis method of the load sharing characteristics of planetary transmission system in the existing research, the test method for the load sharing characteristic of planetary transmission system based on the root stress of the tooth side of the gear ring is designed. According to the working characteristics of the main reducer of a certain helicopter, the basic parameters of the gear of the herringbone planetary transmission system are designed, which is based on the similarity theory. Design the similar model of gear system which is easy to process and carry out experimental research. Consider the installation form of sensor and the method of data transmission synthetically. The structure of the test gearbox and test stand is designed to test the inherent characteristics and the uniform load characteristics of the herringbone planetary transmission system to complete the drive motor. The equivalent analysis model of translation-torsional coupling of herringbone planetary transmission system is established in ADAMS. The natural frequency of the system and the transfer function of component vibration are analyzed by using the model. The influence trend of different stiffness parameters on the natural frequency of the system is analyzed. The three-dimensional model of planetary transmission system is established in Solidworks, and the model is imported into ADAMS to add quality attributes and constraints. A virtual prototype model with bearing elastic support was established. The kinematics analysis of the model was carried out to verify the accuracy of the model. The meshing force of each meshing pair is extracted and the load sharing characteristic of the system is analyzed. The construction of the dynamic characteristic test platform of single-stage herringbone planetary transmission system is completed, and the installation and lead method of accelerometer in vibration testing are put forward. According to the strain gauge arrangement method in the test of the average load characteristic, the load sharing characteristic experiment of the planetary transmission system is carried out, the average load coefficient of the system is solved and the load sharing characteristic of the system is analyzed.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TH132.41

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