本文選題：雙定子液壓馬達(dá) + 差動(dòng)連接　； 參考：《工程科學(xué)與技術(shù)》2017年05期

【摘要】：隨著液壓技術(shù)的不斷發(fā)展,液壓傳動(dòng)在各行業(yè)得到了廣泛應(yīng)用,同時(shí)也對(duì)液壓馬達(dá)輸出轉(zhuǎn)矩脈動(dòng)特性提出了更高的要求。目前廣泛使用的液壓馬達(dá)均是一個(gè)轉(zhuǎn)子對(duì)應(yīng)一個(gè)定子,無(wú)法實(shí)現(xiàn)液壓馬達(dá)的差動(dòng)連接來(lái)滿(mǎn)足復(fù)雜工況的需求。雙定子液壓馬達(dá)因其特殊的結(jié)構(gòu)形式,可在一個(gè)殼體內(nèi)形成內(nèi)外兩組液壓馬達(dá),可實(shí)現(xiàn)液壓馬達(dá)的差動(dòng)連接。作者基于雙定子液壓馬達(dá)結(jié)構(gòu)形式及其差動(dòng)連接原理,分析得到雙定子液壓馬達(dá)差動(dòng)連接時(shí)內(nèi)、外馬達(dá)之間的具體關(guān)系,即雙定子液壓馬達(dá)差動(dòng)連接時(shí)內(nèi)馬達(dá)由外馬達(dá)驅(qū)動(dòng)旋轉(zhuǎn),實(shí)現(xiàn)了泵的工作原理,并將其排出的油液輸入到外馬達(dá)中。在此基礎(chǔ)上,深入分析了內(nèi)、外馬達(dá)的理論流量和理論轉(zhuǎn)矩,并通過(guò)分析內(nèi)、外馬達(dá)的瞬時(shí)流量,得出馬達(dá)瞬時(shí)轉(zhuǎn)矩的變化情況,進(jìn)而利用波動(dòng)系數(shù)分析出在內(nèi)馬達(dá)輸出脈動(dòng)油液影響的前提下,雙定子液壓馬達(dá)輸出轉(zhuǎn)矩波動(dòng)性的一般規(guī)律,利用Matlab軟件仿真得出不同滯后角0所對(duì)應(yīng)的雙定子液壓馬達(dá)差動(dòng)連接時(shí)輸出轉(zhuǎn)矩曲線(xiàn)。并搭建了雙定子液壓馬達(dá)差動(dòng)連接試驗(yàn)平臺(tái)進(jìn)行試驗(yàn)。結(jié)果表明:滯后角對(duì)雙定子液壓馬達(dá)差動(dòng)連接時(shí)輸出的轉(zhuǎn)矩脈動(dòng)具有很大影響,可以通過(guò)合理調(diào)整滯后角使雙定子液壓馬達(dá)差動(dòng)連接時(shí)輸出的轉(zhuǎn)矩更平穩(wěn)。研究結(jié)果可為雙定子液壓馬達(dá)差動(dòng)連接的設(shè)計(jì)與應(yīng)用提供參考。
[Abstract]:With the continuous development of hydraulic technology, hydraulic transmission has been widely used in various industries. At the same time, higher requirements for torque ripple characteristics of hydraulic motor output have been put forward. At present, the widely used hydraulic motors are one rotor corresponding to one stator, so the differential connection of the hydraulic motor can not be realized to meet the needs of complex working conditions. Because of its special structure, the double stator hydraulic motor can form two groups of internal and external hydraulic motors in one shell, and can realize the differential connection of the hydraulic motor. Based on the structure form of double stator hydraulic motor and its differential connection principle, the author analyzes and obtains the specific relationship between internal and external motors in differential connection of double stator hydraulic motor. When the double stator hydraulic motor is connected by differential connection, the internal motor is driven and rotated by the outer motor, which realizes the working principle of the pump, and inputs the oil discharged from the pump into the outer motor. On this basis, the theoretical flow rate and theoretical torque of the inner and outer motors are deeply analyzed, and by analyzing the instantaneous flow rate of the inner and outer motors, the variation of the instantaneous torque of the motor is obtained. Furthermore, the general law of output torque fluctuation of double stator hydraulic motor is obtained under the premise of the influence of internal motor output pulsating oil by using the fluctuation coefficient. The output torque curve of differential connection of double stator hydraulic motor with different hysteresis angle 0 is obtained by Matlab software simulation. A double stator hydraulic motor differential connection test platform was built. The results show that the hysteresis angle has a great influence on the torque ripple of the differential connection of the double stator hydraulic motor, and the torque output of the differential connection of the double stator hydraulic motor can be more stable by adjusting the lag angle reasonably. The results can provide reference for the design and application of differential connection of double stator hydraulic motor.
【作者單位】： 燕山大學(xué)機(jī)械工程學(xué)院;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(50975246)
【分類(lèi)號(hào)】：TH137.51

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