【摘要】：液壓馬達(dá)是把由液壓泵提供的液壓能轉(zhuǎn)換成機(jī)械能的轉(zhuǎn)換裝置，其在工作介質(zhì)的作用下，輸出轉(zhuǎn)矩和轉(zhuǎn)速。液壓馬達(dá)的徑向受力不平衡，限制了液壓元件的發(fā)展，制約其應(yīng)用領(lǐng)域。目前在各種領(lǐng)域廣泛應(yīng)用的液壓馬達(dá)在實(shí)際應(yīng)用中還存在不能實(shí)現(xiàn)多級(jí)定轉(zhuǎn)矩和定轉(zhuǎn)速的輸出。多作用力偶液壓馬達(dá)由一個(gè)轉(zhuǎn)子對(duì)應(yīng)于兩個(gè)定子，，形成內(nèi)、外多個(gè)相互獨(dú)立的液壓馬達(dá)共用一個(gè)輸出軸，可以通過切換馬達(dá)之間的連接，在不改變液壓馬達(dá)輸入流量和壓力的情況下，實(shí)現(xiàn)液壓馬達(dá)多級(jí)定轉(zhuǎn)速和定轉(zhuǎn)矩調(diào)節(jié)的輸出，并且馬達(dá)的轉(zhuǎn)子受力平衡。 本文首先介紹了國(guó)內(nèi)外的液壓技術(shù)的發(fā)展局勢(shì)，并介紹了現(xiàn)在廣泛應(yīng)用的液壓馬達(dá)的受力情況。其次，在形成的多個(gè)內(nèi)、外相互獨(dú)立液壓馬達(dá)中，一內(nèi)一外液壓泵與液壓馬達(dá)有14種連接方式就可以滿足不同的工況。從而提出并定義了多作用力偶液壓馬達(dá)的設(shè)計(jì)理念及定義，并對(duì)多作用力偶液壓馬達(dá)的工作原理、結(jié)構(gòu)特點(diǎn)等做了詳細(xì)的介紹，利用Solidworks對(duì)液壓馬達(dá)三維實(shí)體建模。再次，推導(dǎo)出多作用力偶液壓馬達(dá)在4種工況下的排量、瞬時(shí)流量、瞬時(shí)轉(zhuǎn)矩和瞬時(shí)轉(zhuǎn)矩的關(guān)系式。由于液壓馬達(dá)在輸出時(shí)有波動(dòng)，并且外馬達(dá)(內(nèi)馬達(dá))是由多個(gè)完全相同的馬達(dá)組合而成，組合成的液壓馬達(dá)相互疊加影響了液壓馬達(dá)整體的輸出特性，因此在分析馬達(dá)輸出特性的基礎(chǔ)上，得出使得馬達(dá)輸出脈動(dòng)最小時(shí)的進(jìn)出油口的位置。進(jìn)一步分析由于多作實(shí)現(xiàn)聯(lián)合工作和差動(dòng)工作，其滯后角和滾柱連桿組的個(gè)數(shù)對(duì)整體馬達(dá)的輸出特性的影響。 而后對(duì)液壓馬達(dá)的關(guān)鍵零件包括轉(zhuǎn)子、滾柱連桿組作了動(dòng)力學(xué)分析，得到其受力的周期性變化，通過Simulation對(duì)轉(zhuǎn)子的受力進(jìn)行仿真，確定作用數(shù)為偶數(shù)時(shí)馬達(dá)的受力較好。最后，分析側(cè)板與定子端面間隙中油液溫升情況，為改善液壓馬達(dá)的泄漏情況，提出利用浮動(dòng)側(cè)板改善液壓馬達(dá)的軸向泄漏并分析浮動(dòng)側(cè)板結(jié)構(gòu)與受力。搭建實(shí)驗(yàn)平臺(tái)，測(cè)量、記錄、分析馬達(dá)空載排量、容積效率等實(shí)驗(yàn)數(shù)據(jù)，驗(yàn)證多作用力偶液壓馬達(dá)的可行性。為以后優(yōu)化多作用力偶液壓馬達(dá)提供依據(jù)。
[Abstract]:Hydraulic motor is a conversion device that converts hydraulic energy provided by hydraulic pump into mechanical energy. It outputs torque and rotational speed under the action of working medium. The unbalanced radial force of hydraulic motor limits the development of hydraulic components and restricts its application field. At present, the hydraulic motor, which is widely used in various fields, can not realize the output of multi-stage constant torque and fixed speed in practical application. The multi-force couple hydraulic motor is composed of a rotor corresponding to two stators, forming an output shaft shared by a plurality of independent hydraulic motors inside and outside, which can be connected by switching the motors. Without changing the input flow and pressure of the hydraulic motor, the output of the multi-stage constant speed and torque regulation of the hydraulic motor is realized, and the rotor force of the motor is balanced. This paper first introduces the development situation of hydraulic technology at home and abroad, and introduces the force situation of hydraulic motor which is widely used now. Secondly, in the forming of many internal and external independent hydraulic motors, one internal and external hydraulic pump and hydraulic motor have 14 kinds of connection mode can meet the different working conditions. The design concept and definition of the multi-force couple hydraulic motor are put forward and defined. The working principle and structure characteristics of the multi-force couple hydraulic motor are introduced in detail. The three-dimensional solid model of the hydraulic motor is modeled by Solidworks. Thirdly, the relationship between displacement, instantaneous flow rate, instantaneous torque and instantaneous torque of multi-force couple hydraulic motor under four working conditions is derived. Since the hydraulic motor fluctuates in output, and the outer motor (inner motor) is composed of several identical motors, the combined hydraulic motor superimposed on each other affects the output characteristics of the hydraulic motor as a whole. Therefore, on the basis of analyzing the output characteristics of the motor, the position of the inlet and outlet when the output pulsation of the motor is minimized is obtained. The effects of the lag angle and the number of roller connecting rod on the output characteristics of the whole motor are analyzed. Then the key parts of the hydraulic motor including the rotor and the roller connecting rod are analyzed dynamically and the periodic variation of the force is obtained. The force of the rotor is simulated by Simulation and the force of the motor is better when the action number is even. Finally, the oil temperature rise in the clearance between the side plate and the stator is analyzed. In order to improve the leakage of the hydraulic motor, the floating side plate is used to improve the axial leakage of the hydraulic motor and the structure and force of the floating side plate are analyzed. The experimental data of no-load displacement and volumetric efficiency were analyzed to verify the feasibility of multi-force couple hydraulic motor. It provides the basis for optimizing multi-force couple hydraulic motor in the future.
【學(xué)位授予單位】：燕山大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TH137.51

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 陳遠(yuǎn)玲,李尚平,李大華;液壓技術(shù)在農(nóng)機(jī)上的應(yīng)用分析[J];廣西農(nóng)業(yè)機(jī)械化;2003年03期

2 王福山;;我國(guó)高壓液壓元件發(fā)展現(xiàn)狀與試驗(yàn)平臺(tái)建設(shè)[J];工程機(jī)械;2012年10期

3 楊國(guó)昌;雙斜盤軸向柱塞式液壓馬達(dá)滑履受力分析[J];工程機(jī)械;1983年11期

4 陳磊;紀(jì)玉龍;張銀東;;平衡式變量葉片泵節(jié)能研究[J];機(jī)床與液壓;2007年07期

5 郭曉松;祁帥;于傳強(qiáng);馮永保;;工程機(jī)械的節(jié)流調(diào)速液壓回路仿真分析[J];機(jī)床與液壓;2009年06期

6 林立強(qiáng);魯陽;;轉(zhuǎn)子式葉片泵的低噪聲定子內(nèi)輪廓過渡曲線研究[J];機(jī)床與液壓;2010年19期

7 孫艷,權(quán)龍;差壓控制型變量葉片泵轉(zhuǎn)子受力分析及計(jì)算[J];機(jī)床與液壓;1999年01期

8 ;Theoretical analysis of output speed of multi-pump and multi-motor driving system[J];Science China(Technological Sciences);2011年04期

9 祝海林,葛樂通,鄒e

本文編號(hào)：2404626