【摘要】：針對礦井提升機(jī)存在的鋼絲繩過載、張力不平衡等問題,通過對多繩摩擦提升機(jī)的大量現(xiàn)場調(diào)查和研究,設(shè)計(jì)了一種提升機(jī)鋼絲繩張力監(jiān)測系統(tǒng)。本論文主要對該系統(tǒng)中的張力傳感器的設(shè)計(jì)進(jìn)行介紹,并研制出了應(yīng)用于張力傳感器標(biāo)定的測力裝置。張力傳感器基于機(jī)械受力特別研制,由彈性體、導(dǎo)向板和固定板構(gòu)成,其外形結(jié)構(gòu)與壓塊相似,將其嵌入于平衡懸掛裝置中,利用平衡懸掛裝置將鋼絲繩受到的拉力轉(zhuǎn)變?yōu)閷鞲衅鲏毫Φ臏y量。其結(jié)構(gòu)既不改變原平衡懸掛裝置的結(jié)構(gòu)也不影響其自動平衡鋼絲繩張力的功能。根據(jù)張力傳感器的測力原理,測力裝置基于標(biāo)準(zhǔn)傳感器與待測傳感器的互換技術(shù),不僅可以實(shí)現(xiàn)對傳感器的標(biāo)定而且還可以對監(jiān)測系統(tǒng)進(jìn)行測試。模擬現(xiàn)場張力傳感器的測力狀態(tài),對傳感器進(jìn)行校準(zhǔn)。通過對傳感器標(biāo)定試驗(yàn)數(shù)據(jù)的分析,表明張力傳感器線性度良好,測量誤差小,滿足礦井使用要求,同時(shí)也驗(yàn)證了測力裝置的實(shí)用性。最后,通過實(shí)際的工業(yè)應(yīng)用進(jìn)行驗(yàn)證,表明該系統(tǒng)能夠準(zhǔn)確反映每根鋼絲繩的張力大小,性能穩(wěn)定、測試精度高。同時(shí),也表明通過測力裝置標(biāo)定的傳感器比現(xiàn)場校準(zhǔn)的傳感器進(jìn)行的試驗(yàn),致使傳感器引起的測試誤差小,進(jìn)一步驗(yàn)證了測力裝置的實(shí)用價(jià)值。
[Abstract]:Aiming at the problems of overloading and tension imbalance of wire rope in mine hoist, a tension monitoring system for hoist is designed through a lot of field investigation and research on multi-rope friction hoist. This paper mainly introduces the design of tension sensor in this system, and develops a force measuring device used in tension sensor calibration. The tension sensor is specially developed on the basis of mechanical force and consists of elastic body, guide plate and fixed plate. Its shape and structure are similar to that of compression block, so it is embedded in the balance suspension device. The tension of the wire rope is changed into the measurement of the sensor pressure by using the balance suspension device. The structure does not change the structure of the original balance suspension and does not affect its function of automatically balancing the tension of the wire rope. According to the force measurement principle of the tension sensor, the force measuring device is based on the exchange technology between the standard sensor and the sensor to be tested, which can not only realize the calibration of the sensor but also test the monitoring system. The force state of the field tension sensor is simulated, and the sensor is calibrated. Through the analysis of the calibration test data of the sensor, it is shown that the tension sensor has good linearity and small measurement error, which meets the requirements of mine operation. At the same time, it also verifies the practicability of the force measuring device. Finally, the practical industrial application shows that the system can accurately reflect the tension of each wire rope, the performance of the system is stable, and the testing accuracy is high. At the same time, it is also shown that the sensor calibrated by the force measuring device is better than the one calibrated in the field, which results in less error caused by the sensor, which further verifies the practical value of the force measuring device.
【學(xué)位授予單位】：河北工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TD532

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