一種比例溢流閥的測試系統(tǒng)設(shè)計及關(guān)鍵技術(shù)研究畢業(yè)論文

1、I畢 業(yè) 論 文（科 學(xué) 研 究 報 告）題 目 一種比例溢流閥的測試系統(tǒng)設(shè)計及 一種比例溢流閥的測試系統(tǒng)設(shè)計及關(guān)鍵技術(shù)研究 關(guān)鍵技術(shù)研究院(系)別 機(jī)電及自動化學(xué)院專 業(yè) 機(jī)械電子工程級 別 2009學(xué) 號 091111xxxx姓 名 Xxx指導(dǎo)老師 xxx教 務(wù) 處20 2013 13 年 5 月機(jī)電及自動化學(xué)院本科畢業(yè)論文IIIABSTRACTWith the rapid development of machine electr

2、ic hydraulic integration technology is,electro-hydraulic proportional component applications are increasingly widespread.Electro-hydraulic proportional relief valve as an important electro-hydraulic proportional pressure

3、control components, designed to test and analysis of high-performance integrated measurementand control system for research electro-hydraulic proportional relief valve performance andincrease its production growth rate i

4、s very meaningful. This paper is in the analysis of theperformance of electro-hydraulic proportional relief valve on the basis of a set of test systemsolutions, combining experimental platform key parameter settings, to

5、achieve the key technologyfor the relief valve simulation.In this thesis, the main contents of each chapter are as follows:The first chapter discusses the electro-hydraulic proportional valve and electro-hydraulicproport

6、ional relief valve’s development process, introduces the hydraulic test systems and testtechnology development in the world, and analyzes the electro-hydraulic proportional componenttest system performance analysis commo

7、nly used methods and principles .The second chapter analyzes the structure principle of electro-hydraulic proportional reliefvalve and dynamic and static characteristics, according to the function of each part theelectro

8、-hydraulic proportional component test system should have , the conclusion that the overalldesign concept and schematic diagram of the test system is carried out finally. Integratedschematic diagram can clearly analyze t

9、he entire system works, and can be of key technologyresearch, in order to draw the necessary conclusions.Chapter III under Chapter II of the various parts of the test system, the theoretical analysis ofthe key components

10、 of the selection. Including the power source components - pump, oilcomponents - tank, energy recovery devices - accumulator, and system load step loading device(including pressure and flow step step loading device loadi

11、ng device) etc.Chapter IV is test framework of the relief valve step response . Describes the maincharacteristics of the step response characteristics and indicators, respectively, P port relief valvefor changing the flo

12、w step response and changing the input signal step response were analyzed.Chapter V used AMESim simulation platform, key factors of this system was simulated,obtained step response characteristics affect the relief valve

13、 and the main factors affecting results.Chapter VI summarizes the main research work and an outlook on future research work anddirection.Keywords: Proportional relief valve test systems steady performance dynamic perform