傳動軸軸心軌跡測量技術(shù)研究
[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)位級別】:碩士
【學(xué)位授予年份】:2011
【分類號】:TH165.3
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