管状(zhuang)(zhuang)(zhuang)带式输(shu)(shu)送(song)(song)(song)机(ji)是在(zai)(zai)槽形(xing)带式输(shu)(shu)送(song)(song)(song)机(ji)基础上发展(zhan)起(qi)来的一类(lei)特种带式输(shu)(shu)送(song)(song)(song)机(ji)，采(cai)用(yong)数个(通常(chang)为六个)托辊组成正多边形(xing)托辊组以强制(zhi)(zhi)输(shu)(shu)送(song)(song)(song)带形(xing)成圆管状(zhuang)(zhuang)(zhuang)，密(mi)闭(bi)地连续输(shu)(shu)送(song)(song)(song)各种粉状(zhuang)(zhuang)(zhuang)、粒(li)状(zhuang)(zhuang)(zhuang)和(he)(he)块状(zhuang)(zhuang)(zhuang)等松散物料。管状(zhuang)(zhuang)(zhuang)带式输(shu)(shu)送(song)(song)(song)机(ji)在(zai)(zai)不(bu)断研究及实(shi)践的基础上，已逐步总结出(chu)一整套较为系(xi)统的设计(ji)、制(zhi)(zhi)造、安装、调试和(he)(he)检验的标准和(he)(he)办法，并已形(xing)成了系(xi)列。