串(chuan)(chuan)式(shi)托(tuo)輥(gun)(gun)(gun)又(you)稱三(san)聯托(tuo)輥(gun)(gun)(gun)，是帶(dai)式(shi)輸(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)的(de)(de)(de)重(zhong)(zhong)(zhong)要組成部(bu)(bu)分。托(tuo)輥(gun)(gun)(gun)帶(dai)式(shi)輸(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)的(de)(de)(de)重(zhong)(zhong)(zhong)要部(bu)(bu)件，種(zhong)(zhong)類(lei)多(duo)，數量大(da)，可以(yi)支(zhi)撐輸(shu)(shu)(shu)送(song)(song)(song)帶(dai)和(he)物(wu)(wu)料重(zhong)(zhong)(zhong)量。它(ta)占了一臺(tai)帶(dai)式(shi)輸(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)總成本的(de)(de)(de)35%，產生(sheng)了70%以(yi)上的(de)(de)(de)阻力(li)，因此托(tuo)輥(gun)(gun)(gun)的(de)(de)(de)質量尤(you)(you)為(wei)(wei)重(zhong)(zhong)(zhong)要。其(qi)有鋼(gang)(gang)制(zhi)和(he)塑料兩種(zhong)(zhong)。托(tuo)輥(gun)(gun)(gun)支(zhi)撐輸(shu)(shu)(shu)送(song)(song)(song)帶(dai)和(he)物(wu)(wu)料重(zhong)(zhong)(zhong)量。托(tuo)輥(gun)(gun)(gun)帶(dai)式(shi)輸(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)的(de)(de)(de)重(zhong)(zhong)(zhong)要部(bu)(bu)件，種(zhong)(zhong)類(lei)多(duo)，數量大(da)，可以(yi)支(zhi)撐輸(shu)(shu)(shu)送(song)(song)(song)帶(dai)和(he)物(wu)(wu)料重(zhong)(zhong)(zhong)量。它(ta)占了一臺(tai)帶(dai)式(shi)輸(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)總成本的(de)(de)(de)35%，產生(sheng)了70%以(yi)上的(de)(de)(de)阻力(li)，因此托(tuo)輥(gun)(gun)(gun)的(de)(de)(de)質量尤(you)(you)為(wei)(wei)重(zhong)(zhong)(zhong)要。其(qi)有鋼(gang)(gang)制(zhi)和(he)塑料兩種(zhong)(zhong)。托(tuo)輥(gun)(gun)(gun)運轉靈活可靠(kao)。減少(shao)輸(shu)(shu)(shu)送(song)(song)(song)帶(dai)同托(tuo)輥(gun)(gun)(gun)的(de)(de)(de)摩(mo)擦力(li)，對(dui)占輸(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)總成本25%以(yi)上的(de)(de)(de)輸(shu)(shu)(shu)送(song)(song)(song)帶(dai)的(de)(de)(de)壽命起著關鍵作用(yong)。雖然托(tuo)輥(gun)(gun)(gun)在帶(dai)式(shi)輸(shu)(shu)(shu)送(song)(song)(song)機(ji)(ji)(ji)中是一個(ge)較小部(bu)(bu)件，結構并不復雜(za)，但(dan)制(zhi)造出高質量的(de)(de)(de)托(tuo)輥(gun)(gun)(gun)并非易事(shi)。串(chuan)(chuan)式(shi)托(tuo)輥(gun)(gun)(gun)具備(bei)良好的(de)(de)(de)自平(ping)衡性，可以(yi)防止膠帶(dai)跑(pao)偏(pian)。托(tuo)輥(gun)(gun)(gun)支(zhi)撐輸(shu)(shu)(shu)送(song)(song)(song)帶(dai)和(he)物(wu)(wu)料重(zhong)(zhong)(zhong)量。