螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)是(shi)一种利用电(dian)机(ji)(ji)(ji)(ji)带动(dong)(dong)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)回转，推移(yi)物(wu)料(liao)以(yi)实现输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)目的(de)(de)(de)的(de)(de)(de)机(ji)(ji)(ji)(ji)械(xie)。它(ta)能水平(ping)、倾斜或垂直输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)，具有结构简(jian)单(dan)、横截(jie)面(mian)积小、密封(feng)性(xing)好、操作方(fang)便、维修容易、便于封(feng)闭运输(shu)(shu)(shu)等(deng)优点(dian)。螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)在(zai)(zai)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)形式(shi)上分(fen)为有轴(zhou)(zhou)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)和(he)无(wu)(wu)(wu)轴(zhou)(zhou)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)两(liang)种，在(zai)(zai)外型上分(fen)为U型螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)和(he)管式(shi)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)。有轴(zhou)(zhou)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)适用于无(wu)(wu)(wu)粘性(xing)的(de)(de)(de)干粉(fen)物(wu)料(liao)和(he)小颗粒物(wu)料(liao).(例(li)如：水泥(ni)、粉(fen)煤灰、石灰、粮等(deng))而(er)无(wu)(wu)(wu)轴(zhou)(zhou)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)适合(he)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)由(you)粘性(xing)的(de)(de)(de)和(he)易缠绕的(de)(de)(de)物(wu)料(liao)。(例(li)如：污泥(ni)、生物(wu)质、垃圾等(deng))螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)的(de)(de)(de)工作原理是(shi)旋(xuan)(xuan)转的(de)(de)(de)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)叶(ye)(ye)片(pian)将(jiang)物(wu)料(liao)推移(yi)而(er)进行(xing)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)，使物(wu)料(liao)不与螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)叶(ye)(ye)片(pian)一起旋(xuan)(xuan)转的(de)(de)(de)力(li)是(shi)物(wu)料(liao)自(zi)身重量和(he)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)机(ji)(ji)(ji)(ji)壳(qiao)对物(wu)料(liao)的(de)(de)(de)摩(mo)擦(ca)阻(zu)力(li)。螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)旋(xuan)(xuan)转轴(zhou)(zhou)上焊的(de)(de)(de)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)叶(ye)(ye)片(pian)，叶(ye)(ye)片(pian)的(de)(de)(de)面(mian)型根据输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)物(wu)料(liao)的(de)(de)(de)不同有实体(ti)面(mian)型、带式(shi)面(mian)型、叶(ye)(ye)片(pian)面(mian)型等(deng)型式(shi)。螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)输(shu)(shu)(shu)送(song)(song)(song)(song)(song)(song)机(ji)(ji)(ji)(ji)的(de)(de)(de)螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)轴(zhou)(zhou)在(zai)(zai)物(wu)料(liao)运动(dong)(dong)方(fang)向(xiang)的(de)(de)(de)终端有止推轴(zhou)(zhou)承(cheng)以(yi)随物(wu)料(liao)给螺(luo)(luo)(luo)(luo)(luo)旋(xuan)(xuan)的(de)(de)(de)轴(zhou)(zhou)向(xiang)反力(li)，在(zai)(zai)机(ji)(ji)(ji)(ji)长较长时(shi)，应加(jia)中间吊挂轴(zhou)(zhou)承(cheng)。

　当螺(luo)(luo)(luo)旋(xuan)(xuan)轴(zhou)(zhou)转(zhuan)(zhuan)动(dong)(dong)时(shi)，由(you)于(yu)物(wu)料(liao)(liao)(liao)(liao)的(de)重力及其(qi)与(yu)槽体壁所产生的(de)摩擦力，使物(wu)料(liao)(liao)(liao)(liao)只能(neng)在叶(ye)(ye)片(pian)的(de)推(tui)送(song)(song)下沿(yan)着输(shu)送(song)(song)机(ji)(ji)的(de)槽底(di)向(xiang)前(qian)移(yi)(yi)动(dong)(dong)，其(qi)情(qing)况好像(xiang)不能(neng)旋(xuan)(xuan)转(zhuan)(zhuan)的(de)螺(luo)(luo)(luo)母(mu)沿(yan)着旋(xuan)(xuan)转(zhuan)(zhuan)的(de)螺(luo)(luo)(luo)杆作平移(yi)(yi)运(yun)(yun)动(dong)(dong)一样 [3] 。物(wu)料(liao)(liao)(liao)(liao)的(de)主要前(qian)进动(dong)(dong)力是来自(zi)(zi)螺(luo)(luo)(luo)旋(xuan)(xuan)叶(ye)(ye)片(pian)在轴(zhou)(zhou)向(xiang)旋(xuan)(xuan)转(zhuan)(zhuan)时(shi)将物(wu)料(liao)(liao)(liao)(liao)沿(yan)叶(ye)(ye)片(pian)切(qie)线方向(xiang)向(xiang)上和(he)向(xiang)前(qian)的(de)作用力。为(wei)了使螺(luo)(luo)(luo)旋(xuan)(xuan)轴(zhou)(zhou)处于(yu)较为(wei)有(you)利的(de)受拉状态，一般都将驱(qu)动(dong)(dong)装置(zhi)和(he)卸料(liao)(liao)(liao)(liao)口安放在输(shu)送(song)(song)机(ji)(ji)的(de)同一端，而(er)把进料(liao)(liao)(liao)(liao)口尽量放在另一端的(de)尾(wei)部附(fu)近。 旋(xuan)(xuan)转(zhuan)(zhuan)的(de)螺(luo)(luo)(luo)旋(xuan)(xuan)叶(ye)(ye)片(pian)将物(wu)料(liao)(liao)(liao)(liao)推(tui)移(yi)(yi)而(er)进行输(shu)送(song)(song)，使物(wu)料(liao)(liao)(liao)(liao)不与(yu)螺(luo)(luo)(luo)旋(xuan)(xuan)输(shu)送(song)(song)机(ji)(ji)叶(ye)(ye)片(pian)一起旋(xuan)(xuan)转(zhuan)(zhuan)的(de)力是物(wu)料(liao)(liao)(liao)(liao)自(zi)(zi)身重量和(he)螺(luo)(luo)(luo)旋(xuan)(xuan)输(shu)送(song)(song)机(ji)(ji)机(ji)(ji)壳(qiao)对物(wu)料(liao)(liao)(liao)(liao)的(de)摩擦阻力。叶(ye)(ye)片(pian)的(de)面(mian)型(xing)根据输(shu)送(song)(song)物(wu)料(liao)(liao)(liao)(liao)的(de)不同有(you)实体面(mian)型(xing)、带式面(mian)型(xing)、叶(ye)(ye)片(pian)面(mian)型(xing)等(deng)型(xing)式。螺(luo)(luo)(luo)旋(xuan)(xuan)输(shu)送(song)(song)机(ji)(ji)的(de)螺(luo)(luo)(luo)旋(xuan)(xuan)轴(zhou)(zhou)在物(wu)料(liao)(liao)(liao)(liao)运(yun)(yun)动(dong)(dong)方向(xiang)的(de)终端有(you)止推(tui)轴(zhou)(zhou)承以随物(wu)料(liao)(liao)(liao)(liao)给螺(luo)(luo)(luo)旋(xuan)(xuan)的(de)轴(zhou)(zhou)向(xiang)反力，在机(ji)(ji)长较长时(shi)，应加中间吊挂(gua)轴(zhou)(zhou)承。