双斜盘轴向柱塞式海水液压电机泵的研究
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摘要
本文研制了一种可用于海洋水下作业机械的双斜盘轴向柱塞式海水液压电机泵。该泵将双斜盘轴向柱塞泵集成在电机转子内部,电机采用屏蔽式结构,电机的定子铁芯和绕组均封装在密闭腔内,腔内充满变压器油。腔内压力通过均压装置与环境压力平衡。相比三段式结构,该泵实现了液压动力单元的机电液一体化设计,有体积小、重量轻、结构紧凑的特点。
文中对双斜盘柱塞泵的柱塞、滑靴和缸体构成的旋转组件进行动力学分析,研究表明:对称的双斜盘结构使旋转组件实现动平衡,轴向截面内的力矩和轴向力也能平衡。
通过对旋转配流阀的配流特性进行分析,研究表明:旋转的配流阀受到离心力作用,有助于吸入阀的开启和压出阀的闭合。通过合理的设计,既可以改善吸入性能,同时也保证了容积效率。
利用有限元分析软件对液压电机泵及屏蔽套内的电磁场分析,为液压电机泵的定子和转子以及定转子屏蔽套的电磁设计提供参考依据。
样机实验表明:双斜盘结构能够在电机转子有限空间内实现双联柱塞泵结构。样机的性能指标达到预期的研究目标,在额定转速1450rpm下空载流量为60L/min;额定压力8MPa时,容积效率达到为70%。
This thesis has researched the seawater hydraulic electric-motor-pump with double swashplates used in the underwater. The double swashplates axial piston pump is integrated in the rotor. The stator and rotor of motor are canned in shielding sleeves. The closed room of the stator is full of insulating oil, in which the pressure is balance with environment pressure by pressure-balance device. Compared with the traditional structure which motor, coupling, and pump are lined in series, the integration design of hydraulic electric-motor-pump is more compact, smaller size, and lighter weight.
The dynamic of rotating module which comprise of pistons, slippers, and cylinder is analyzed in the thesis. The result shows that the dynamic balance of rotating module is got by the symmetrical double swashplates mechanism,the torque in the axial cross-section and axial force are also balanced.
According to the research on the characteristics of distributing valve which is rotating with cylinder block, the result shows that the centrifugal force of rotating valve help the opening of inlet valve and the closing of outlet valve. A reasonable designing can conduct that the suction performance is improved, and the volumetric efficiency is available.
The electromagnetic field of the electric motor pump is calculated using the finite element analysis software, which provides important reference for the electromagnetic field design of stator and rotor.
The prototype is manufactured and experimentally investigated. The results show that the duplex piston pump is disposed in the finite inner space of rotor by using the double swashplates. The performance parameters of prototype are in conformity with the design specifications. The flow rate is 56L/min when it is unload at the rotational speed of 1450rpm, and the volumetric efficiency reaches 70% under the pressure of 8MPa.
文中对双斜盘柱塞泵的柱塞、滑靴和缸体构成的旋转组件进行动力学分析,研究表明:对称的双斜盘结构使旋转组件实现动平衡,轴向截面内的力矩和轴向力也能平衡。
通过对旋转配流阀的配流特性进行分析,研究表明:旋转的配流阀受到离心力作用,有助于吸入阀的开启和压出阀的闭合。通过合理的设计,既可以改善吸入性能,同时也保证了容积效率。
利用有限元分析软件对液压电机泵及屏蔽套内的电磁场分析,为液压电机泵的定子和转子以及定转子屏蔽套的电磁设计提供参考依据。
样机实验表明:双斜盘结构能够在电机转子有限空间内实现双联柱塞泵结构。样机的性能指标达到预期的研究目标,在额定转速1450rpm下空载流量为60L/min;额定压力8MPa时,容积效率达到为70%。
This thesis has researched the seawater hydraulic electric-motor-pump with double swashplates used in the underwater. The double swashplates axial piston pump is integrated in the rotor. The stator and rotor of motor are canned in shielding sleeves. The closed room of the stator is full of insulating oil, in which the pressure is balance with environment pressure by pressure-balance device. Compared with the traditional structure which motor, coupling, and pump are lined in series, the integration design of hydraulic electric-motor-pump is more compact, smaller size, and lighter weight.
The dynamic of rotating module which comprise of pistons, slippers, and cylinder is analyzed in the thesis. The result shows that the dynamic balance of rotating module is got by the symmetrical double swashplates mechanism,the torque in the axial cross-section and axial force are also balanced.
According to the research on the characteristics of distributing valve which is rotating with cylinder block, the result shows that the centrifugal force of rotating valve help the opening of inlet valve and the closing of outlet valve. A reasonable designing can conduct that the suction performance is improved, and the volumetric efficiency is available.
The electromagnetic field of the electric motor pump is calculated using the finite element analysis software, which provides important reference for the electromagnetic field design of stator and rotor.
The prototype is manufactured and experimentally investigated. The results show that the duplex piston pump is disposed in the finite inner space of rotor by using the double swashplates. The performance parameters of prototype are in conformity with the design specifications. The flow rate is 56L/min when it is unload at the rotational speed of 1450rpm, and the volumetric efficiency reaches 70% under the pressure of 8MPa.
引文
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[3]邱中粱.海水液压技术在深潜器上的应用现状和发展趋势[J].流体传动传动与控制,2009(3):1-4
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[37] Noah D.Manring, Viral S. Mehta, Frank J.Raab. The Shaft Torque of a Tandam Axial Piston Pump[J].Journal of Dynamic Systems Measurement and Control 2007(129):367-371
[38] Noah D.Manring, Fikreadam A.Damtew.The Control Torque on the Swash Plate of an Axial Piston Pump Utilizing Piston-Bore Springs[J].Journal of Dynamic Systems, Measurement and Control, 2001(123):471-478
[39] Noah D.Manring. The Control and Containment Forces on the Swash Plate of an Axial-Piston Pump[J].Journal of Dynamic Systems Measurement and Control,1999(121):599-605
[40] Noah D.Manring. Friction Forces Within the Cylinder Bores of Swash-Plate Type Axial-Piston Pumps and Motors[J]. Journal of Dynamic Systems Measurement and Control, 1999(121):531-537
[41] Yeh-Sun Hong, Yoon-Ho Doh. Anslysis on the Friction Losses of a Bent-Axis Type Hydraulic Piston Pump[J].KSME International Journal, 2004, 18(9):1668-1679
[42]何存兴,张铁华.液压传动与气压传动[M].武汉:华中科技大学出版社,2000
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[2]曹学鹏,邓斌,邹波等.深海开环式液压源的试验研究[J].海洋技术,2009,28(4):76-79
[3]邱中粱.海水液压技术在深潜器上的应用现状和发展趋势[J].流体传动传动与控制,2009(3):1-4
[4]杨署东,李壮云.海水液压传动技术及其在海洋开发中的应用[J] .海洋工程,2000,18(1):81-85
[5]贺小峰,张铁华,余祖耀等.纯水液压传动技术的研究与应用[J].重庆工业高等专科学校学报,1999,14(3-4):6-8
[6]刘银水,郭占军,朱碧海等.海水液压驱动的水下作业工具系统[J].海洋技术,2006,25(4):65-69
[7]王益群,曹栋璞,郎静.纯水液压传动及其展望[J].机床与液压,2003(1):13-15
[8]贺小峰,黄国勤,朱碧海.海水液压驱动的水下作业工具系统[J].液压与气动,2004(08),49-51
[9]杨署东,李壮云,余祖耀等.海水液压水下作业工具[J].海洋技术,1998,17(02):50-55
[10]杨署东.基于海水润滑的中高压海水液压泵研究[D].武汉:华中科技大学图书馆,2005
[11] Vickers公司产品样本
[12] http://www.voith-turbo.de/hydraulic_products_pumps_motorhbyrid_function.htm
[13] Bernd Schreiber.齿轮泵嫁接电动机[J].现代驱动,2005(02):36-37
[14]青谷知昭.电机一体型内接叶片泵:日本,96641[P].1992
[15]龟谷裕敬,中西正人.电机一体型内接齿轮泵及电子设备:中国,200510074397.X[P],2005
[16]祈琦.液压电机叶片泵能量转化效率的分析[D].兰州:兰州理工大学图书馆,2008
[17]黄闽宗,吴友章,谢圣平.电液复合泵浦气隙油膜效应模拟分析[J].机械月刊,2005,31(8):143-150
[18]冀宏,胡启辉,王峥嵘等.一种液压电机柱塞泵:中国,CN 1928359A[P],2006
[19]冀宏,孙磊,王峥嵘等.电机内嵌叶片泵:中国,CN 101255868A[P],2008
[20]高殿荣,张前,郭明杰等.异步斜盘轴向柱塞水液压电机泵:中国,CN 10132882A[P],2008
[21]张大杰,高殿荣,王有杰等.基于ANSYS的轴向柱塞液压电机泵电磁场数值计算和分析[J].机械工程学报,2008,44(12):69-74
[22]朱碧海,牛壮,向鹏等.水液压柱塞式电机泵的试验研究[J].液压与气动,2010(6):74-75
[23]傅丰礼.中小型高效异步电动机的现状和展望[J].电工技术杂志,2002(10):8-12
[24]黄国治,傅丰礼.Y2系列三相异步电动机技术手册[M].北京:机械工业出版社,2004
[25]程福秀,林金铭.现代电机设计[M].北京:机械出版社,1992
[26]陈世坤.电机设计[M].北京:机械工业出版社,1982
[27]上海电气科学研究所.中小型电机设计手册[M].北京:机械工业出版社,1994
[28]马德鑫,上官继明.浅论屏蔽式异步电机的设计特点[J].电机技术,2001(1):27-30
[29]薛景华.浅谈屏蔽式异步潜水电动机的结构设计[J].中小型电机,1994,21(3):18-20
[30]李再宏.谈谈屏蔽套的焊接[J].中小型电机,1999,26(2):32-33
[31]李壮云.液压元件与系统[M].北京:机械工业出版社,2005
[32] E. Koc, C. J. Hooke, K. Y. Li. Sliper Balance in Axial Piston Pumps and Motors[J].Journal of Tribology, 1992(114):766-772
[33] R.M.Harris, K.A.Edge, D.G..Tilley. Predicting the Behavior of Slipper Pads in Swashplate-Type Axial Piston Pump[J].Journal of Dynamic Systems Measurement and Control, 1996(118):41-47
[34] Yuhua Zhang, Joong-Ho Shin.A Computational Approach to Profile Generation of Planar Cam Mechanisms[J].Journal of Mechanical Design, 2004(126):183-200
[35]哈尔滨工业大学理论力学教研室.理论力学[M].北京:高等教育出版社,2002
[36] G..Zeiger, A.Akers. Torque on the Swash-plate of an Axial Piston Pump[J].Journal of Dynamic Systems, Measurement, and Control, 1985(107):220-226
[37] Noah D.Manring, Viral S. Mehta, Frank J.Raab. The Shaft Torque of a Tandam Axial Piston Pump[J].Journal of Dynamic Systems Measurement and Control 2007(129):367-371
[38] Noah D.Manring, Fikreadam A.Damtew.The Control Torque on the Swash Plate of an Axial Piston Pump Utilizing Piston-Bore Springs[J].Journal of Dynamic Systems, Measurement and Control, 2001(123):471-478
[39] Noah D.Manring. The Control and Containment Forces on the Swash Plate of an Axial-Piston Pump[J].Journal of Dynamic Systems Measurement and Control,1999(121):599-605
[40] Noah D.Manring. Friction Forces Within the Cylinder Bores of Swash-Plate Type Axial-Piston Pumps and Motors[J]. Journal of Dynamic Systems Measurement and Control, 1999(121):531-537
[41] Yeh-Sun Hong, Yoon-Ho Doh. Anslysis on the Friction Losses of a Bent-Axis Type Hydraulic Piston Pump[J].KSME International Journal, 2004, 18(9):1668-1679
[42]何存兴,张铁华.液压传动与气压传动[M].武汉:华中科技大学出版社,2000
[43]何存兴.液压元件[M].北京:机械工业出版社,1982
[44]翟培祥.斜盘式轴向柱塞泵设计[M].北京:煤炭工业出版社,1978
[45] J. A. Stratton. Electromagnetic Theory[M]. McGraw-Hill,1941
[46] W. K. H. Panofsky, M.Pillips. Classical Electricity and Magnetism[M].Addison-Wesley, 2nd Edition,1962
[47] P. M. Morse, H.Feshbach. Methods of Theorectical Physics[M].McGraw-Hill, 1953
[48] P.P.Silvester, R.L.Ferrari. Finite Elements for Electrical Engineers[M].Cambridge University Press, 1983
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