【摘要】：在機(jī)械設(shè)備的設(shè)計(jì)過(guò)程中,準(zhǔn)確地確定電機(jī)功率及負(fù)載轉(zhuǎn)矩是保證設(shè)備能夠穩(wěn)定運(yùn)行的前提。但是,對(duì)于本課題中具有攪拌和離心運(yùn)動(dòng)的專用設(shè)備,由于其處理對(duì)象為不規(guī)則運(yùn)動(dòng)的物質(zhì),因此負(fù)載轉(zhuǎn)矩和功率的確定大多采用類比法、經(jīng)驗(yàn)法去完成,采用這種方法設(shè)計(jì)的結(jié)果與實(shí)際值會(huì)有很大的偏差。針對(duì)上述問(wèn)題,本論文以土壤淋洗機(jī)為例,結(jié)合基于組態(tài)軟件的數(shù)據(jù)采集方式,進(jìn)行了動(dòng)態(tài)性能(功率、轉(zhuǎn)矩與轉(zhuǎn)速的關(guān)系)研究實(shí)驗(yàn),得到了土壤淋洗機(jī)在工作狀況下動(dòng)態(tài)性能曲線。在土壤淋洗機(jī)動(dòng)態(tài)性能研究試驗(yàn)中,以SDLXJ土壤淋洗一體機(jī)為實(shí)驗(yàn)平臺(tái),設(shè)計(jì)并建立基于組態(tài)軟件的數(shù)據(jù)采集系統(tǒng),在給定負(fù)載的條件下,采集在不同轉(zhuǎn)速時(shí)設(shè)備實(shí)際所需功率和轉(zhuǎn)矩。基于組態(tài)軟件數(shù)據(jù)采集系統(tǒng)是由傳感級(jí)、中間級(jí)、終端級(jí)三級(jí)組成的檢測(cè)系統(tǒng)。土壤淋洗機(jī)的變頻器是傳感級(jí),采用了先進(jìn)的矢量控制技術(shù),可以提供其控制電機(jī)實(shí)時(shí)功率、轉(zhuǎn)矩和頻率;PLC是中間級(jí),通過(guò)MODBUS通訊協(xié)議與變頻器之間進(jìn)行通信,將變頻器實(shí)時(shí)數(shù)據(jù)讀取出來(lái);采用目前應(yīng)用較為廣泛的組態(tài)軟件作為終端級(jí),在組態(tài)軟件中開(kāi)發(fā)的數(shù)據(jù)采集監(jiān)控系統(tǒng),可方便地進(jìn)行實(shí)驗(yàn)過(guò)程監(jiān)控、接收和存儲(chǔ)PLC中的數(shù)據(jù)。根據(jù)動(dòng)態(tài)性能研究結(jié)果,對(duì)SDLXJ土壤淋洗一體機(jī)進(jìn)行了優(yōu)化。運(yùn)用ANSYS軟件對(duì)機(jī)架進(jìn)行了有限元分析,找到了應(yīng)力集中和薄弱環(huán)節(jié),并進(jìn)行了加強(qiáng)。本論文研究成果,對(duì)類似設(shè)備的設(shè)計(jì)具有參考意義。同時(shí)也填補(bǔ)了國(guó)內(nèi)用于污染土壤淋洗實(shí)驗(yàn)設(shè)備研究的空白。
[Abstract]:In the design process of mechanical equipment, accurate determination of motor power and load torque is the premise to ensure the stable operation of the equipment. However, for the special equipment with stirring and centrifugal motion in this subject, because the object is irregular moving material, most of the load torque and power are determined by analogy method and empirical method. The results designed by this method will deviate greatly from the actual values. In order to solve the above problems, taking the soil washing machine as an example, combined with the data acquisition method based on configuration software, the dynamic performance (the relationship between power, torque and rotating speed) is studied in this paper. The dynamic performance curve of soil washing machine under working condition was obtained. In the research and experiment of dynamic performance of soil leaching machine, a data acquisition system based on configuration software is designed and established with SDLXJ soil leaching machine as the experimental platform. Under the condition of given load, Collect the actual power and torque of the equipment at different speeds. The data acquisition system based on configuration software is composed of three levels: sensing level, intermediate stage and terminal level. The frequency converter of the soil washing machine is the sensing stage, which adopts the advanced vector control technology, which can provide the real-time power, torque and frequency of the control motor. PLC is the intermediate stage, which communicates with the frequency converter through MODBUS communication protocol, and reads the real-time data of the frequency converter. Using the widely used configuration software as the terminal level, the data acquisition and monitoring system developed in the configuration software can easily monitor the experimental process, receive and store the data in PLC. According to the results of dynamic performance study, the SDLXJ soil leaching machine was optimized. The finite element analysis of the frame is carried out by using ANSYS software, and the stress concentration and weak links are found and strengthened. The research results of this paper have reference significance for the design of similar equipment. At the same time, it also fills up the blank of domestic experimental equipment for contaminated soil leaching.
【學(xué)位授予單位】：沈陽(yáng)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：X53

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本文編號(hào)：2486509