【摘要】：傳動(dòng)軸廣泛應(yīng)用在在大型汽輪機(jī)組、燃?xì)廨啓C(jī)等大功率傳動(dòng)系統(tǒng),通過(guò)對(duì)其運(yùn)行過(guò)程中軸心軌跡及油膜厚度的測(cè)量,可以充分掌握傳動(dòng)軸的運(yùn)行狀態(tài),為傳動(dòng)軸及其相關(guān)機(jī)械系統(tǒng)部件的設(shè)計(jì)與開(kāi)發(fā)提供可靠的測(cè)試依據(jù)。 本文通過(guò)通過(guò)層層深入的方式,分析了傳動(dòng)軸軸心軌跡產(chǎn)生的原因,將傳動(dòng)軸的油膜厚度及軸心軌跡轉(zhuǎn)化為其在轉(zhuǎn)動(dòng)過(guò)程中徑向跳動(dòng)產(chǎn)生的位移,完成了物理模型的建立,設(shè)計(jì)了有效的數(shù)學(xué)算法。為了更好的完成各項(xiàng)參數(shù)的測(cè)量,對(duì)影響傳感器測(cè)量結(jié)果的相關(guān)參數(shù)進(jìn)行了深入分析。闡述了進(jìn)行位移測(cè)量所使用的電渦流位移傳感的工作原理、使用方法。以及為了保障測(cè)試結(jié)果的可靠性,如何針對(duì)溫漂進(jìn)行傳感器精度的補(bǔ)償方法。并同過(guò)對(duì)數(shù)據(jù)采集技術(shù),無(wú)線數(shù)據(jù)傳輸技術(shù),非接觸供電技術(shù),深入學(xué)習(xí)與掌握,設(shè)計(jì)了一種通過(guò)遙測(cè)方式完成傳感器采集信息傳輸?shù)臄?shù)據(jù)傳輸方法,并為解決一些安裝在測(cè)試臺(tái)特殊位置上的傳感器的供電問(wèn)題設(shè)計(jì)了一種非接觸供電的方法。結(jié)合其他測(cè)試資源完成對(duì)相關(guān)參數(shù)的測(cè)量工作。并通過(guò)LabVIEW軟件為平臺(tái),設(shè)計(jì)了可以顯示軸心軌跡及油膜厚度變化的測(cè)試軟件。最后,通過(guò)模擬試驗(yàn),檢驗(yàn)了整個(gè)測(cè)試方法的可行性。
[Abstract]:Transmission shafts are widely used in large steam turbine units, gas turbines and other high-power transmission systems. By measuring the track of the shaft center and the thickness of the oil film during its operation, the operating state of the drive shaft can be fully grasped. It provides reliable test basis for the design and development of transmission shaft and related mechanical system parts. In this paper, the causes of the axial trajectory of the transmission shaft are analyzed by means of layers of depth, and the oil film thickness and the axis trajectory of the shaft are transformed into the displacement produced by the radial runout during the rotation process, and the physical model is established. An effective mathematical algorithm is designed. In order to complete the measurement of the parameters better, the related parameters that affect the measurement results of the sensor are deeply analyzed. The working principle and application method of eddy current displacement sensor used in displacement measurement are described. And in order to ensure the reliability of the test results, how to compensate the sensor precision for temperature drift. And with the same data acquisition technology, wireless data transmission technology, non-contact power supply technology, in-depth learning and mastering, a method of data transmission through telemetry to complete the transmission of sensor acquisition information is designed. A non-contact power supply method is designed to solve the power supply problem of some sensors installed on the special position of the test table. Complete the measurement of related parameters with other test resources. Based on LabVIEW software, a testing software is designed to show the axis track and oil film thickness. Finally, the feasibility of the whole test method is verified by simulation test.
【學(xué)位授予單位】：哈爾濱工程大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2011
【分類號(hào)】：TH165.3

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