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判斷輸送機(jī) 故障的竅門(mén)
Pulisher:admin  Time:2012/8/29 8:12:26  Click:5241
根據(jù)減速器的運(yùn)轉(zhuǎn)聲音判斷其工作狀態(tài)用耳靠近輸送機(jī)的減速器聽(tīng)或用一個(gè)改錐觸哉減速器外殼上,用耳貼靠在木把上聽(tīng)減速器齒輪及軸承的運(yùn)轉(zhuǎn)聲音,減速器正常的運(yùn)轉(zhuǎn)聲音是比較平衡的,當(dāng)聽(tīng)到周期性異響,說(shuō)明減速器齒輪的牙齒變形造成齒隙變小或齒間夾雜金屬異物;當(dāng)在減速器軸承處聽(tīng)到頻繁不規(guī)則的異響,說(shuō)明軸承架損壞或珠粒損壞;當(dāng)感覺(jué)到減速器遺常振動(dòng),說(shuō)明齒輪整個(gè)嚙合不好或地腳螺栓松動(dòng)。出現(xiàn)異常情況必須及時(shí)處理。

  檢查托輥組的運(yùn)行狀況

  (1)在皮帶輸送機(jī)運(yùn)轉(zhuǎn)時(shí),觀(guān)察上、下托輥及緩沖托輥是否靈活

  (2)調(diào)心托輥、立輥和回轉(zhuǎn)部位,在輸送帶跑偏時(shí),是否轉(zhuǎn)動(dòng)靈活。

  (3)各托輥間及托輥與中間架間是否有卡阻物。

  (4)各托輥有無(wú)損壞、異響,是否缺油。

  (5)有無(wú)缺輥。

  (6)各托輥與輸送帶是否接觸良好。

  3、根據(jù)運(yùn)轉(zhuǎn)電流判斷帶式輸送機(jī)的負(fù)荷情況

  在額定電流及額定電流以下帶式輸送機(jī)運(yùn)轉(zhuǎn)時(shí),證明帶式輸送機(jī)在額定負(fù)荷下運(yùn)轉(zhuǎn),帶式輸送機(jī)工作正常;當(dāng)電流超過(guò)額定值,說(shuō)明帶式輸送機(jī)超載運(yùn)行;當(dāng)電流突然上升,大大超過(guò)額定電流,可能有卡阻物卡住輸送帶,因立即停機(jī)檢查。

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