本文選題：雙環(huán)變速器　切入點(diǎn)：齒廓重疊干涉　出處：《東北大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

【摘要】：雙環(huán)變速器是國內(nèi)開發(fā)的一類少齒差行星變速器,其結(jié)構(gòu)原理上與三環(huán)變速器類似。它采用了“平行軸傳動(dòng)”的模式,能單軸或多軸輸出動(dòng)力,具有功率分流、內(nèi)齒嚙合和多齒接觸的特點(diǎn)。在冶金、礦山、石油、造船和起重運(yùn)輸?shù)阮I(lǐng)域內(nèi)有廣泛應(yīng)用。 雙環(huán)變速器屬于少齒差內(nèi)齒行星傳動(dòng)的一種,由于內(nèi)嚙合齒輪容易產(chǎn)生齒廓干涉,而少齒差傳動(dòng)的干涉問題更加突出,因此,深入研究雙環(huán)變速器傳動(dòng)原理、運(yùn)動(dòng)規(guī)律及幾何參數(shù)的設(shè)計(jì)方法是非常必要的,而研究環(huán)式變速器的干涉現(xiàn)象,并對(duì)齒輪參數(shù)及相關(guān)誤差對(duì)干涉的敏感性進(jìn)行分析,對(duì)于合理分配零件的公差以及完善環(huán)板變速器的設(shè)計(jì)具有理論和設(shè)計(jì)意義。 本文以某減速器公司生產(chǎn)的實(shí)驗(yàn)雙環(huán)變速器為研究背景,詳細(xì)討論了雙環(huán)變速器的結(jié)構(gòu)形式、基本原理和機(jī)構(gòu)的特點(diǎn),載荷的輸入輸出特性和結(jié)構(gòu)形式的關(guān)系等。 首先,通過對(duì)雙環(huán)變速器輸入方式和過死點(diǎn)位置的受力特性對(duì)比分析,確定了實(shí)驗(yàn)雙環(huán)變速器過死點(diǎn)時(shí)存在的問題。結(jié)合實(shí)驗(yàn)雙環(huán)變速器的設(shè)計(jì)參數(shù),對(duì)其齒頂圓尺寸、重合度、裝配條件及齒廓干涉限制條件進(jìn)行了分析計(jì)算,從設(shè)計(jì)參數(shù)合理性方面對(duì)實(shí)驗(yàn)雙環(huán)變速器進(jìn)行驗(yàn)證。 其次,針對(duì)環(huán)式變速器容易產(chǎn)生齒廓重疊干涉的問題,本文在考慮嚙合齒輪誤差的基礎(chǔ)上,推導(dǎo)了齒廓重疊干涉限制條件的最小許用值[G5]的計(jì)算式,除考慮了包含齒厚偏差、齒距偏差、中心距偏差外,還引入了螺旋角偏差,孔距偏差和齒圈徑向跳動(dòng)誤差的影響。比前人對(duì)[Gs]許用值的計(jì)算考慮得更加全面。 再者,考慮齒輪加工誤差對(duì)齒廓干涉的影響特點(diǎn),本文針對(duì)不同誤差對(duì)齒廓干涉的影響進(jìn)行了分析,確定了齒廓干涉參數(shù)對(duì)不同誤差的敏感性。為合理分配零件的加工公差,避免齒廓干涉,降低制造成本提供理論依據(jù)。并對(duì)實(shí)驗(yàn)雙環(huán)變速器的干涉參數(shù)進(jìn)行檢驗(yàn)。 最后,基于某減速機(jī)制造公司設(shè)計(jì)的實(shí)驗(yàn)雙環(huán)變速器的幾何尺寸及設(shè)計(jì)條件,利用Pro/E三維建模并整機(jī)裝配后,導(dǎo)入ADAMS中定義約束并進(jìn)行運(yùn)動(dòng)與動(dòng)力學(xué)仿真。通過仿真得到了輸入輸出轉(zhuǎn)速,內(nèi)外齒輪嚙合力以及行星軸承受力的曲線圖；通過對(duì)仿真結(jié)果的具體分析,得到了雙環(huán)變速器主要傳動(dòng)零件的受力規(guī)律,分析結(jié)果為實(shí)驗(yàn)雙環(huán)變速器的性能設(shè)計(jì)提供了參考數(shù)據(jù)。 本次研究工作豐富了環(huán)板變速器的設(shè)計(jì)和干涉實(shí)驗(yàn)理論,為合理分配環(huán)板變速器的齒輪公差提供了理論指導(dǎo)。
[Abstract]:Double loop transmission is a kind of domestic development of small teeth difference planetary transmission structure, its principle is similar with tricyclic transmission. It uses a "parallel shaft transmission" mode, can be single or multi axis output power with power split characteristics internal gear and multi tooth contact. In the metallurgical mines., oil, shipbuilding and hoisting and transportation fields are widely used.
A double loop transmission belongs to the few teeth difference planetary gear drive, the internal gear is prone to interference of tooth profiles, and the interference problem of small tooth difference transmission is more prominent, therefore, in-depth study of double loop transmission principle, design method of motion and geometric parameters is essential, interference research ring type transmission, and analysis of the interference sensitivity of gear parameters and relative error, for the reasonable distribution of the tolerances of the parts and has theoretical significance to perfect the design and design of ring plate transmission.
Based on the experimental double ring transmission produced by a reducer company, the structure form, basic principle and mechanism characteristics of double loop transmission, the relationship between input and output characteristics and structure form of load are discussed in detail.
First of all, through the analysis of the double loop transmission input mode and over dead point position of the stress characteristics of comparison, determine the existence of dead loop transmission experiment problems. Combined with the design parameters of double loop transmission, the addendum circle size, coincidence degree, assembly condition and tooth profile interference conditions are analyzed and calculated from the aspect of rationality, the design parameters to verify the experimental loop transmission.
Secondly, for ring type transmission to profile overlap interference problems, considering the gear error on the derived profile overlap interference constraints of the minimum allowable value calculation formula of [G5], in addition to considering the included tooth thickness deviation, pitch deviation, center distance deviation, also introduced effect of helix angle deviation, hole pitch deviation and the tooth ring radial runout error. The allowable value of [Gs] than the previous calculation considered more comprehensive.
Furthermore, considering the influence of characteristics of gear machining error of tooth profile interference, this article analyzes the effect of different errors on tooth profile interference was carried out, determined the sensitivity parameters of different tooth profile interference error. For the reasonable distribution of machining tolerances of parts, to avoid the interference of tooth profiles, reduce manufacturing cost and provide a theoretical basis and parameters of the interference. The double loop transmission test.
Finally, the geometric dimensions and design experiments double transmission design of a reducer manufacturing company based on the use of Pro/E three-dimensional modeling and assembly, the import ADAMS constraint definition and kinematic and kinetic simulation. Through the simulation of input and output speed, and the meshing force of gear and planetary bearing force curve through concrete; the analysis of simulation results, the main drive of double loop transmission parts of the stress distribution, the analysis results provide reference data for the design of double loop transmission performance experiment.
This study enriches the design of the annular plate transmission and the theory of interference experiment, which provides theoretical guidance for the rational distribution of the gear tolerances of the ring plate transmission.

【學(xué)位授予單位】：東北大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TH132.46

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