具體參數

隨著現代工(gong)(gong)業的(de)(de)(de)興起，以混凝土(tu)為主材料的(de)(de)(de)建(jian)設方(fang)式(shi)已經(jing)成為了(le)建(jian)筑(zhu)業施工(gong)(gong)的(de)(de)(de)主要構造之一，在各種工(gong)(gong)程施工(gong)(gong)建(jian)設中占據了(le)很大的(de)(de)(de)比例，使(shi)得混凝土(tu)機(ji)械的(de)(de)(de)發展經(jing)久(jiu)不衰，且有(you)越演(yan)越烈的(de)(de)(de)形勢。拖(tuo)式(shi)混凝土(tu)泵(beng)，簡稱拖(tuo)泵(beng)，是各種混凝土(tu)機(ji)械中的(de)(de)(de)一種，用于(yu)混凝土(tu)施工(gong)(gong)中的(de)(de)(de)輸送和澆注工(gong)(gong)作(zuo)。

拖泵分類選(xuan)型

37千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)（目前國內標準混(hun)凝土(tu)泵(beng)，37千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)以下為細(xi)石砂漿(jiang)泵(beng)）、45千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)、55千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)、75千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)、90千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)、110千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)、130千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)（柴(chai)油(you)）、132千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)、162千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)（柴(chai)油(you)）、174千(qian)(qian)(qian)(qian)(qian)瓦(wa)(wa)(wa)(wa)（柴(chai)油(you)）等。

選擇多(duo)大(da)電機混(hun)凝(ning)土泵，首先要(yao)考慮變壓器容量，其(qi)次(ci)考慮距離混(hun)凝(ning)土泵的(de)遠近和線徑大(da)小，以免壓降過(guo)大(da)造成電流(liu)增高或跳閘(zha)停機，過(guo)大(da)功率造成成本增加(jia)和使用不便。電機過(guo)小，同時也滿(man)足(zu)不了工程(cheng)需(xu)要(yao)。

混(hun)(hun)凝土(tu)輸(shu)送(song)(song)泵(beng)功率、混(hun)(hun)凝土(tu)輸(shu)送(song)(song)泵(beng)出口壓力、混(hun)(hun)凝土(tu)輸(shu)送(song)(song)泵(beng)輸(shu)送(song)(song)量之間的關系

一臺混凝土輸送(song)(song)泵的電(dian)機(ji)功率是決定出口壓力和輸送(song)(song)方量(liang)的前提(ti)條件，在電(dian)機(ji)功率一定的情況下，壓力的升高(gao)必將(jiang)使(shi)輸送(song)(song)量(liang)降(jiang)低；相反，降(jiang)低出口壓力，將(jiang)會使(shi)輸送(song)(song)量(liang)增加(jia)。

為(wei)了(le)(le)保證混(hun)凝土輸(shu)(shu)(shu)送(song)(song)泵(beng)既要有較(jiao)大(da)(da)輸(shu)(shu)(shu)送(song)(song)量，又能(neng)有一(yi)定(ding)(ding)的(de)(de)(de)出(chu)口(kou)壓力(li)和與之相(xiang)匹配的(de)(de)(de)經濟功(gong)率，在(zai)混(hun)凝土輸(shu)(shu)(shu)送(song)(song)泵(beng)的(de)(de)(de)設計中，大(da)(da)都采用(yong)了(le)(le)恒功(gong)率柱塞泵(beng)；即(ji)恒功(gong)率值(zhi)選定(ding)(ding)后，當出(chu)口(kou)壓力(li)升高時(shi)，油泵(beng)輸(shu)(shu)(shu)出(chu)排量會自動降低，達(da)到(dao)與功(gong)率設計相(xiang)對應的(de)(de)(de)值(zhi)；如(ru)果既要達(da)到(dao)出(chu)口(kou)壓力(li)高，又想(xiang)得到(dao)輸(shu)(shu)(shu)送(song)(song)量大(da)(da)的(de)(de)(de)目的(de)(de)(de)。惟一(yi)的(de)(de)(de)途徑就是增加電機功(gong)率。

因此，在國家新標準中(zhong)，引用(yong)了(le)混(hun)(hun)凝(ning)土輸送(song)泵的(de)能(neng)力指數概念（以MPa·m3/h為度量單(dan)位(wei)）；即混(hun)(hun)凝(ning)土輸送(song)泵的(de)實際出口(kou)壓(ya)(ya)力與每小時(shi)實際輸送(song)量之乘積(ji)，該值越(yue)(yue)大(da)(da)(da)，其能(neng)力指數也越(yue)(yue)大(da)(da)(da)，電機的(de)功率(lv)(lv)也將越(yue)(yue)大(da)(da)(da)，由(you)此實現大(da)(da)(da)排(pai)量、高(gao)揚程的(de)目的(de)。科(ke)尼樂公司在設(she)計時(shi)，還采用(yong)了(le)高(gao)低壓(ya)(ya)切換的(de)功能(neng)設(she)計，以滿足(zu)不同的(de)施工要求，在經濟狀(zhuang)態(tai)下，又能(neng)產生較大(da)(da)(da)的(de)輸送(song)量，或者以相同的(de)電機功率(lv)(lv)，產生較高(gao)的(de)出口(kou)壓(ya)(ya)力。