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Experimental Study on Quality of Marine Shafting Alignment

Author: DuanZuo
Tutor: WangHongZhi
School: Dalian Maritime University
Course: Marine Engineering
Keywords: Ship shafting Finite Element Method Strain Measurement Techniques Shaft power test Jacking method
CLC: U664.21
Type: Master's thesis
Year: 2010
Downloads: 146
Quote: 2
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Abstract


In recent years, with large-scale, high-speed development of the ship , the the shafting rigid and flexible hull conflict between increases , making the ship shafting more complex , the the shafting alignment of theoretical research and actual measurement research extraordinarily important . Therefore , it is necessary to calculate the theoretical analysis and practical test and measurement combined system depth study of the Shaft Alignment . On the basis of the calculation method in a large number of domestic and foreign literature and learning ship shafting , take full advantage of the ANSYS calculation software and advanced test and measurement technology , calculating ship shafting process for the school , as well as the ship -axis Department of the deformation test . This paper is to the ship shafting test laboratory built Taiwan as the research object , through the study of the ship shaft straight school state deformation test and measurement , shaft power of the test , as well as bearing load test ship shafting the quality of the evaluation . This paper made ??the following aspects : First, the use of finite element analysis ANSYS software , school ship shaft straight calculation , Calculated load bearing shafting , and the distribution of mechanical parameters within each shaft section and numerical the ship shafting state has the clear quantitative description . On the basis of theoretical calculations , the application of strain testing techniques , the dynamic parameters of the shafting actual measurement to achieve a the shafting deformation wireless acquisition measurements . The shafting the deformation including torsional deformation and bending deformation of the two aspects are to complete the measurement of the deformation by using a strain gauge and the wireless sensor consisting of collecting network ; based on the torque measurement of the shaft power of the shafting actual measurement, found that the torque variation in the stable operation of the process of the shafting , an increasing part of the power is used to improve the speed . Finally, application load sensor , through improved jacking method , the actual load on the ship shafting linear alignment state in the vicinity of each bearing measurements , and calculation of the straight line alignment with the ship shafting bearing theoretical load values ??compared further evaluation of the quality of the ship shafting .

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CLC: > Transportation > Waterway transport > Marine Engineering > Ship machinery > Ship shaft,gear,and car device > Shaft
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