東莞市銳鑫機電有(you)限公司
聯系人:劉君(jun)燕(yan)/13539086677
24小時服務(wu)熱線:13763247345
座機:400-1501660
郵箱:2851069231@qq.com
網址:21yantai.cn
地址:東(dong)莞市虎門鎮捷(jie)東(dong)南路9號
B棟401
具體參數
隨著現代(dai)工(gong)(gong)業的(de)興(xing)起,以混(hun)凝(ning)土(tu)為(wei)主(zhu)(zhu)材(cai)料的(de)建(jian)設方(fang)式(shi)已經成為(wei)了建(jian)筑業施(shi)工(gong)(gong)的(de)主(zhu)(zhu)要構(gou)造之一,在各種工(gong)(gong)程施(shi)工(gong)(gong)建(jian)設中占據了很(hen)大的(de)比例,使得(de)混(hun)凝(ning)土(tu)機械的(de)發展經久不衰,且有越演越烈的(de)形勢。拖式(shi)混(hun)凝(ning)土(tu)泵(beng)(beng),簡稱拖泵(beng)(beng),是各種混(hun)凝(ning)土(tu)機械中的(de)一種,用于混(hun)凝(ning)土(tu)施(shi)工(gong)(gong)中的(de)輸(shu)送和澆(jiao)注工(gong)(gong)作(zuo)。
拖(tuo)泵(beng)分類選型(xing)
37千(qian)(qian)(qian)(qian)(qian)瓦(目前國(guo)內標準混凝土泵,37千(qian)(qian)(qian)(qian)(qian)瓦以下為細石砂(sha)漿泵)、45千(qian)(qian)(qian)(qian)(qian)瓦、55千(qian)(qian)(qian)(qian)(qian)瓦、75千(qian)(qian)(qian)(qian)(qian)瓦、90千(qian)(qian)(qian)(qian)(qian)瓦、110千(qian)(qian)(qian)(qian)(qian)瓦、130千(qian)(qian)(qian)(qian)(qian)瓦(柴(chai)油(you)(you)(you))、132千(qian)(qian)(qian)(qian)(qian)瓦、162千(qian)(qian)(qian)(qian)(qian)瓦(柴(chai)油(you)(you)(you))、174千(qian)(qian)(qian)(qian)(qian)瓦(柴(chai)油(you)(you)(you))等。
選擇多大(da)電機混凝土泵(beng),首(shou)先(xian)要考慮(lv)(lv)變壓器容量,其(qi)次考慮(lv)(lv)距(ju)離混凝土泵(beng)的遠(yuan)近和(he)線徑大(da)小(xiao),以免壓降過(guo)大(da)造成(cheng)電流增高或跳閘停機,過(guo)大(da)功率造成(cheng)成(cheng)本增加和(he)使用不便。電機過(guo)小(xiao),同時也滿足不了(le)工程需要。
混(hun)凝土輸(shu)送泵功(gong)率、混(hun)凝土輸(shu)送泵出口壓力、混(hun)凝土輸(shu)送泵輸(shu)送量之間(jian)的關系(xi)
一(yi)臺混凝土輸送泵的(de)電(dian)機(ji)功率(lv)是決定出口壓(ya)力和輸送方量的(de)前(qian)提條件(jian),在電(dian)機(ji)功率(lv)一(yi)定的(de)情(qing)況(kuang)下,壓(ya)力的(de)升高必將(jiang)使(shi)(shi)輸送量降低;相(xiang)反(fan),降低出口壓(ya)力,將(jiang)會使(shi)(shi)輸送量增加。
為了保證(zheng)混凝土(tu)輸(shu)送(song)泵(beng)既要(yao)有較大(da)輸(shu)送(song)量(liang),又能有一(yi)定的(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(lv)(lv),在混凝土(tu)輸(shu)送(song)泵(beng)的(de)(de)(de)設計(ji)中(zhong),大(da)都采(cai)用(yong)了恒(heng)功(gong)率(lv)(lv)柱塞泵(beng);即恒(heng)功(gong)率(lv)(lv)值選定后,當出(chu)口(kou)壓力(li)升高時,油泵(beng)輸(shu)出(chu)排量(liang)會自(zi)動降低,達到與功(gong)率(lv)(lv)設計(ji)相(xiang)對應的(de)(de)(de)值;如果(guo)既要(yao)達到出(chu)口(kou)壓力(li)高,又想得到輸(shu)送(song)量(liang)大(da)的(de)(de)(de)目(mu)的(de)(de)(de)。惟一(yi)的(de)(de)(de)途徑就是增加電(dian)機功(gong)率(lv)(lv)。
因此,在(zai)(zai)(zai)國家新標準(zhun)中,引用了混凝土輸(shu)送(song)泵的(de)(de)(de)能(neng)力(li)指數概念(以MPa·m3/h為度量(liang)(liang)單(dan)位);即混凝土輸(shu)送(song)泵的(de)(de)(de)實(shi)(shi)際出口壓力(li)與(yu)每小(xiao)時實(shi)(shi)際輸(shu)送(song)量(liang)(liang)之乘積,該值越大,其能(neng)力(li)指數也(ye)越大,電(dian)機的(de)(de)(de)功率也(ye)將越大,由此實(shi)(shi)現大排量(liang)(liang)、高(gao)(gao)揚程的(de)(de)(de)目的(de)(de)(de)。科尼樂公司在(zai)(zai)(zai)設(she)計時,還(huan)采用了高(gao)(gao)低壓切換的(de)(de)(de)功能(neng)設(she)計,以滿足不同(tong)的(de)(de)(de)施工要求,在(zai)(zai)(zai)經(jing)濟狀態下(xia),又能(neng)產(chan)生較大的(de)(de)(de)輸(shu)送(song)量(liang)(liang),或(huo)者(zhe)以相同(tong)的(de)(de)(de)電(dian)機功率,產(chan)生較高(gao)(gao)的(de)(de)(de)出口壓力(li)。