帶式輸送機電氣控製多機驅動帶式輸送機電氣控製
長chang間jian隔ge大da容rong量liang帶dai式shi輸shu送song機ji,由you於yu整zheng機ji功gong率lv增zeng大da,常chang常chang采cai用yong多duo電dian機ji集ji中zhong驅qu動dong或huo多duo點dian助zhu力li驅qu動dong。這zhe一yi類lei帶dai式shi輸shu送song機ji的de控kong製zhi對dui象xiang,通tong常chang有you數shu量liang各ge為wei1~4台的主驅動電動機、製動器電動機、油泵電動機及電動執行器伺服電機或電磁閥,同時還有打掃電動機、檢修電動機和給煤機電動機等。在電氣控製係統中,設有起動預告聲光信號,具備跑偏、打滑、縱向撕裂、斷帶、煤位、煙霧和沿線急停閉鎖等維護功用,可顯現輸送機的運轉工況和毛病狀態。其特性是:能分時控製主驅動電動機的直接起動,防止起動時電網壓降過大;經jing過guo電dian動dong執zhi行xing器qi或huo電dian磁ci液ye壓ya閥fa,控kong製zhi可ke調tiao型xing液ye力li巧qiao合he器qi勺shao杆gan的de運yun動dong,完wan成cheng輸shu送song機ji的de慢man速su起qi動dong和he多duo台tai主zhu驅qu動dong電dian動dong機ji之zhi間jian的de功gong率lv均jun衡heng,防fang止zhi激ji烈lie的de機ji械xie衝chong擊ji和he功gong率lv分fen配pei不bu均jun衡heng所suo形xing成cheng的de電dian機ji過guo載zai;能完成保送帶之間的帶速同步控製和張力自動控製,以免惹起保送帶的動搖和打滑。依據需求,也可控製打掃電動機、檢jian修xiu電dian動dong機ji的de起qi動dong和he中zhong止zhi。在zai自zi動dong控kong製zhi時shi,要yao按an先xian開kai輸shu送song機ji,後hou開kai給gei煤mei機ji和he先xian停ting給gei煤mei機ji,後hou停ting輸shu送song機ji的de準zhun繩sheng,聯lian動dong給gei煤mei機ji電dian動dong機ji,以yi免mian輸shu送song機ji在zai重zhong載zai狀zhuang況kuang下xia起qi動dong。能neng夠gou采cai用yong繼ji電dian器qi一yi接jie觸chu器qi控kong製zhi方fang式shi,可ke編bian程cheng控kong製zhi器qi控kong製zhi方fang式shi和he微wei處chu置zhi機ji實shi時shi控kong製zhi方fang式shi。普pu通tong由you操cao作zuo台tai、集中控製箱、電流互感器箱、電機功率均衡控製器和電磁起動器等設備組成。
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