【摘要】：質(zhì)量、質(zhì)心和質(zhì)偏是錐柱形件三個(gè)非常重要的結(jié)構(gòu)特征量。這些參數(shù)為評定錐柱形件產(chǎn)品的質(zhì)量、可靠性、設(shè)計(jì)強(qiáng)度和飛行穩(wěn)定性提供依據(jù)。論文結(jié)合國內(nèi)外研究現(xiàn)狀,基于前人研究的基礎(chǔ)上提出采用三點(diǎn)法結(jié)合刀口偏心技術(shù)進(jìn)行錐柱形件的質(zhì)量、質(zhì)心和質(zhì)偏的測量。在測量方法確定以后在機(jī)械結(jié)構(gòu)方面有所改進(jìn),設(shè)計(jì)了自動升降機(jī)構(gòu)和質(zhì)心、質(zhì)偏測試轉(zhuǎn)換機(jī)構(gòu),實(shí)現(xiàn)了由質(zhì)心測量直接到質(zhì)偏測量的轉(zhuǎn)換,從而實(shí)現(xiàn)質(zhì)心、質(zhì)偏參數(shù)在同一臺設(shè)備上測量的目的。長度測量機(jī)構(gòu)的設(shè)計(jì),實(shí)現(xiàn)了設(shè)備坐標(biāo)系與被測錐柱形件坐標(biāo)系之間的轉(zhuǎn)換。其他機(jī)械結(jié)構(gòu)比如測量架、傳感器安裝機(jī)構(gòu)、調(diào)平裝置較之前都有改進(jìn)。然后從按照質(zhì)量分檔方案下手,優(yōu)化設(shè)備量程,在不增加設(shè)備臺套數(shù)和滿足測量精度的前提下,能夠擴(kuò)大測量范圍,使設(shè)備的使用更加科學(xué),做到合理利用資源。然后對控制系統(tǒng)進(jìn)行設(shè)計(jì),控制系統(tǒng)主要包括數(shù)據(jù)采集模塊和電機(jī)控制模塊,實(shí)現(xiàn)了質(zhì)心、質(zhì)偏測量中幾個(gè)重要參數(shù)的標(biāo)定和質(zhì)量、質(zhì)心、質(zhì)偏的測量。最后對承載較大的測量架進(jìn)行有限元分析,保證其強(qiáng)度。
[Abstract]:Mass, centroid and mass deviation are three very important structural characteristics of conical cylindrical parts. These parameters provide a basis for evaluating the quality, reliability, design strength and flight stability of conical cylindrical products. Based on the research status at home and abroad, a three-point method combined with cutter edge eccentricity technique is proposed to measure the mass, center of mass and mass deviation of conical cylindrical parts on the basis of previous studies. After the determination of the measurement method, the mechanical structure has been improved. The automatic lifting mechanism and the center of mass and the mass deviation test conversion mechanism have been designed to realize the transformation from the centroid measurement to the mass deviation measurement, thus realizing the centroid. The purpose of measuring mass deviation parameters on the same equipment. The design of the length measuring mechanism realizes the conversion between the equipment coordinate system and the measured cone cylindrical coordinate system. Other mechanical structures, such as measuring frames, sensor installations and levelers, have been improved. Then, according to the quality grading scheme, the equipment range can be optimized, without increasing the number of equipment sets and satisfying the measuring precision, the measuring range can be expanded, the use of the equipment will be more scientific, and the resources can be used rationally. Then the control system is designed. The control system mainly includes data acquisition module and motor control module, which realizes the calibration of several important parameters and the measurement of mass, centroid and mass deviation in centroid and mass deviation measurement. Finally, the finite element analysis of the measuring frame with large load is carried out to ensure its strength.
【學(xué)位授予單位】：長春理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：V216

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