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螺旋輸送(song)機是一種利用電機帶動螺旋回轉，推移(yi)物(wu)料以實現輸送(song)目的的機械。它能水平、傾斜(xie)或垂直輸送(song)，具有(you)結構簡單、橫截(jie)面積(ji)小、密封(feng)(feng)性好(hao)、操(cao)作(zuo)方便、維(wei)修容易、便于封(feng)(feng)閉(bi)運(yun)輸等優(you)點。

螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)在輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)形式(shi)上分為有(you)軸(zhou)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)和(he)無(wu)軸(zhou)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)兩種，在外型(xing)上分為U型(xing)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)和(he)管式(shi)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)。有(you)軸(zhou)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)適(shi)用于無(wu)粘(zhan)性的(de)(de)干(gan)粉物(wu)料(liao)和(he)小顆(ke)粒物(wu)料(liao).（例如：水泥、粉煤灰、石灰、糧等）而(er)(er)無(wu)軸(zhou)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)適(shi)合輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)由粘(zhan)性的(de)(de)和(he)易纏繞(rao)的(de)(de)物(wu)料(liao)。（例如：污泥、生物(wu)質、垃(la)圾等）螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)的(de)(de)工作原理是(shi)旋(xuan)(xuan)轉的(de)(de)螺(luo)(luo)旋(xuan)(xuan)葉片將物(wu)料(liao)推移(yi)而(er)(er)進(jin)行螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)，使物(wu)料(liao)不與(yu)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)葉片一起旋(xuan)(xuan)轉的(de)(de)力(li)是(shi)物(wu)料(liao)自身重量和(he)螺(luo)(luo)旋(xuan)(xuan)輸(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)送(song)(song)機(ji)(ji)機(ji)(ji)殼對物(wu)料(liao)的(de)(de)摩擦阻力(li)。

螺旋(xuan)輸送(song)機旋(xuan)轉軸(zhou)上焊的螺旋(xuan)葉片(pian)，葉片(pian)的面(mian)型(xing)根據(ju)輸送(song)物料的不同有實體面(mian)型(xing)、帶式(shi)(shi)面(mian)型(xing)、葉片(pian)面(mian)型(xing)等(deng)型(xing)式(shi)(shi)。螺旋(xuan)輸送(song)機的螺旋(xuan)軸(zhou)在物料運動方向的終端有止(zhi)推(tui)軸(zhou)承以隨物料給螺旋(xuan)的軸(zhou)向反力，在機長較(jiao)長時，應加中(zhong)間吊掛軸(zhou)承。