SNH66R51U12.1W2螺桿油泵結(jié)構(gòu)
隨著液壓裝置的普及,不僅要求改善作業(yè)人員的環(huán)境,而且像電梯和船用設(shè)備這類與人們居住區(qū)域有關(guān)的場所使用液壓裝置的情況也多起來,所以降低噪聲和振動(dòng)也成為社會(huì)的一大問題.為此,在設(shè)計(jì)液壓裝置時(shí),噪聲小,振動(dòng)小則成為*的條件,這樣采用液壓螺桿泵的機(jī)會(huì)也增多了.
螺桿泵的結(jié)構(gòu)因螺桿數(shù)不同亦有很大區(qū)別。目前,單螺桿乃至五螺桿泵均能生產(chǎn)。各種螺桿的形狀各不相同,根據(jù)它們的特性可用于不同用途。作液壓裝置用的高壓油泵為三螺桿泵,下面介紹三螺桿泵的結(jié)構(gòu)。
三螺桿泵的結(jié)構(gòu)
三螺桿泵基本上是由三根嚙合的螺桿和放置螺桿的襯套構(gòu)成。三螺桿泵有1根主動(dòng)螺桿和2根從動(dòng)螺桿,主動(dòng)螺桿的螺旋槽底徑與從動(dòng)螺桿的外徑相同,螺桿嚙合時(shí)滾動(dòng)接觸.螺旋面的形狀是螺桿橫截面齒形外圓處的尖緣點(diǎn)滾動(dòng)軌跡,設(shè)計(jì)間隙為0.01~0.O5mm,該間隙可根據(jù)螺桿泵的用途進(jìn)行適當(dāng)選擇.
螺旋面與螺桿襯套之間形成空間,油被封閉在該空間中.主動(dòng)螺桿轉(zhuǎn)動(dòng)時(shí),油從吸入端被送至排出端.該密封腔沿抽向可形成數(shù)個(gè),密封腔內(nèi)的壓力逐級升高,故油在排出時(shí)壓力不會(huì)發(fā)生急劇變化.又因這些密封腔相互重疊,所以有一定量的油液被排到排出端.從理論上講,排出的這些油量是穩(wěn)定的??蓪?shí)際上,油中含有空氣,以致有可壓縮比,因此排出壓力會(huì)有脈動(dòng),不過該壓力脈動(dòng)值較小,約為排出壓力的2~5%.螺桿泵的噪聲和振動(dòng)都比其它泵小,其噪聲小于10dB(A)。
螺桿泵與齒輪泵的不同點(diǎn)在于:主動(dòng)螺桿不驅(qū)勸從功螺桿,從動(dòng)螺桿的迥轉(zhuǎn)力來自排出壓力,這就是說,主動(dòng)螺桿不把力傳遞給從動(dòng)螺桿,從動(dòng)螺桿也能迥轉(zhuǎn)。如圖2所示,螺桿泵可以設(shè)計(jì)成圖中(a)和與(a)相反的(b)的情況,但不管哪種場合,螺桿間的接觸力都極小,這就是螺桿泵使用壽命長的原因
SNH66R51U12.1W2螺桿油泵結(jié)構(gòu)
SNH66R51U12.1W2螺桿油泵結(jié)構(gòu)
SNH66R51U12.1W2螺桿油泵結(jié)構(gòu)
SNH660R40U8W2 | SNH660R44U8W2 | SNH660R46U8W2 | SNH660R51U8W2 | SNH660R54U8W2 | |
SNF660R40U8W2 | SNF660R44U8W2 | SNF660R46U8W2 | SNF660R51U8W2 | SNF660R54U8W2 | |
SNS660R40U8W2 | SNS660R44U8W2 | SNS660R46U8W2 | SNS660R51U8W2 | SNS660R54U8W2 | |
SNH660R40U8W3 | SNH660R44U8W3 | SNH660R46U8W3 | SNH660R51U8W3 | SNH660R54U8W3 | |
SNF660R40U8W3 | SNF660R44U8W3 | SNF660R46U8W3 | SNF660R51U8W3 | SNF660R54U8W3 | |
SNS660R40U8W3 | SNS660R44U8W3 | SNS660R46U8W3 | SNS660R51U8W3 | SNS660R54U8W3 | |
SNH660R40U8W21 | SNH660R44U8W21 | SNH660R46U8W21 | SNH660R51U8W21 | SNH660R54U8W21 | |
SNF660R40U8W21 | SNF660R44U8W21 | SNF660R46U8W21 | SNF660R51U8W21 | SNF660R54U8W21 | |
SNS660R40U8W21 | SNS660R44U8W21 | SNS660R46U8W21 | SNS660R51U8W21 | SNS660R54U8W21 | |
SNH660R40U8W23 | SNH660R44U8W23 | SNH660R46U8W23 | SNH660R51U8W23 | SNH660R54U8W23 | |
SNF660R40U8W23 | SNF660R44U8W23 | SNF660R46U8W23 | SNF660R51U8W23 | SNF660R54U8W23 | |
SNS660R40U8W23 | SNS660R44U8W23 | SNS660R46U8W23 | SNS660R51U8W23 | SNS660R54U8W23 | |
SNH660R40U12.1W2 | SNH660R44U12.1W2 | SNH660R46U12.1W2 | SNH660R51U12.1W2 | SNH660R54U12.1W2 | |
SNF660R40U12.1W2 | SNF660R44U12.1W2 | SNF660R46U12.1W2 | SNF660R51U12.1W2 | SNF660R54U12.1W2 | |
SNS660R40U12.1W2 | SNS660R44U12.1W2 | SNS660R46U12.1W2 | SNS660R51U12.1W2 | SNS660R54U12.1W2 | |
SNH660R40U12.1W3 | SNH660R44U12.1W3 | SNH660R46U12.1W3 | SNH660R51U12.1W3 | SNH660R54U12.1W3 | |
SNF660R40U12.1W3 | SNF660R44U12.1W3 | SNF660R46U12.1W3 | SNF660R51U12.1W3 | SNF660R54U12.1W3 | |
SNS660R40U12.1W3 | SNS660R44U12.1W3 | SNS660R46U12.1W3 | SNS660R51U12.1W3 | SNS660R54U12.1W3 | |
SNH660R40U12.1W21 | SNH660R44U12.1W21 | SNH660R46U12.1W21 | SNH660R51U12.1W21 | SNH660R54U12.1W21 | |
SNF660R40U12.1W21 | SNF660R44U12.1W21 | SNF660R46U12.1W21 | SNF660R51U12.1W21 | SNF660R54U12.1W21 | |
SNS660R40U12.1W21 | SNS660R44U12.1W21 | SNS660R46U12.1W21 | SNS660R51U12.1W21 | SNS660R54U12.1W21 | |
SNH660R40U12.1W23 | SNH660R44U12.1W23 | SNH660R46U12.1W23 | SNH660R51U12.1W23 | SNH660R54U12.1W23 | |
SNF660R40U12.1W23 | SNF660R44U12.1W23 | SNF660R46U12.1W23 | SNF660R51U12.1W23 | SNF660R54U12.1W23 | |
SNS660R40U12.1W23 | SNS660R44U12.1W23 | SNS660R46U12.1W23 | SNS660R51U12.1W23 | SNS660R54U12.1W23 | |
SNH660R40E6.7W2 | SNH660R44E6.7W2 | SNH660R46E6.7W2 | SNH660R51E6.7W2 | SNH660R54E6.7W2 | |
SNF660R40E6.7W2 | SNF660R44E6.7W2 | SNF660R46E6.7W2 | SNF660R51E6.7W2 | SNF660R54E6.7W2 | |
SNS660R40E6.7W2 | SNS660R44E6.7W2 | SNS660R46E6.7W2 | SNS660R51E6.7W2 | SNS660R54E6.7W2 | |
SNH660R40E6.7W3 | SNH660R44E6.7W3 | SNH660R46E6.7W3 | SNH660R51E6.7W3 | SNH660R54E6.7W3 | |
SNF660R40E6.7W3 | SNF660R44E6.7W3 | SNF660R46E6.7W3 | SNF660R51E6.7W3 | SNF660R54E6.7W3 | |
SNS660R40E6.7W3 | SNS660R44E6.7W3 | SNS660R46E6.7W3 | SNS660R51E6.7W3 | SNS660R54E6.7W3 | |
SNH660R40E6.7W21 | SNH660R44E6.7W21 | SNH660R46E6.7W21 | SNH660R51E6.7W21 | SNH660R54E6.7W21 | |
SNF660R40E6.7W21 | SNF660R44E6.7W21 | SNF660R46E6.7W21 | SNF660R51E6.7W21 | SNF660R54E6.7W21 | |
SNS660R40E6.7W21 | SNS660R44E6.7W21 | SNS660R46E6.7W21 | SNS660R51E6.7W21 | SNS660R54E6.7W21 | |
SNH660R40E6.7W23 | SNH660R44E6.7W23 | SNH660R46E6.7W23 | SNH660R51E6.7W23 | SNH660R54E6.7W23 | |
SNF660R40E6.7W23 | SNF660R44E6.7W23 | SNF660R46E6.7W23 | SNF660R51E6.7W23 | SNF660R54E6.7W23 | |
SNS660R40E6.7W23 | SNS660R44E6.7W23 | SNS660R46E6.7W23 | SNS660R51E6.7W23 | SNS660R54E6.7W23 | |
TRSNH660-36 | TRSNH660-40 | TRSNH660-44 | TRSNH660-46 | TRSNH660-51 | TRSNH660-54 |
TRSNF660-36 | TRSNF660-40 | TRSNF660-44 | TRSNF660-46 | TRSNF660-51 | TRSNF660-54 |
TRSNS660-36 | TRSNS660-40 | TRSNS660-44 | TRSNS660-46 | TRSNS660-51 | TRSNS660-54 |
TRSND660-36 | TRSND660-40 | TRSND660-44 | TRSND660-46 | TRSND660-51 | TRSND660-54 |
TRSNK660-36 | TRSNK660-40 | TRSNK660-44 | TRSNK660-46 | TRSNK660-51 | TRSNK660-54 |
HTSNH660-36 | HTSNH660-40 | HTSNH660-44 | HTSNH660-46 | HTSNH660-51 | HTSNH660-54 |
HTSNF660-36 | HTSNF660-40 | HTSNF660-44 | HTSNF660-46 | HTSNF660-51 | HTSNF660-54 |
HTSNS660-36 | HTSNS660-40 | HTSNS660-44 | HTSNS660-46 | HTSNS660-51 | HTSNS660-54 |
HTSND660-36 | HTSND660-40 | HTSND660-44 | HTSND660-46 | HTSND660-51 | HTSND660-54 |
HTSNK660-36 | HTSNK660-40 | HTSNK660-44 | HTSNK660-46 | HTSNK660-51 | HTSNK660-54 |
HSNH660-36Z | HSNH660-40Z | HSNH660-44Z | HSNH660-46Z | HSNH660-51Z | HSNH660-54Z |
HSNF660-36Z | HSNF660-40Z | HSNF660-44Z | HSNF660-46Z | HSNF660-51Z | HSNF660-54Z |
HSNS660-36Z | HSNS660-40Z | HSNS660-44Z | HSNS660-46Z | HSNS660-51Z | HSNS660-54Z |
HSNH660-36NZ | HSNH660-40NZ | HSNH660-44NZ | HSNH660-46NZ | HSNH660-51NZ | HSNH660-54NZ |
HSNF660-36NZ | HSNF660-40NZ | HSNF660-44NZ | HSNF660-46NZ | HSNF660-51NZ | HSNF660-54NZ |
HSNS660-36NZ | HSNS660-40NZ | HSNS660-44NZ | HSNS660-46NZ | HSNS660-51NZ | HSNS660-54NZ |
HSNH660-36W1Z | HSNH660-40W1Z | HSNH660-44W1Z | HSNH660-46W1Z | HSNH660-51W1Z | HSNH660-54W1Z |
HSNF660-36W1Z | HSNF660-40W1Z | HSNF660-44W1Z | HSNF660-46W1Z | HSNF660-51W1Z | HSNF660-54W1Z |
HSNS660-36W1Z | HSNS660-40W1Z | HSNS660-44W1Z | HSNS660-46W1Z | HSNS660-51W1Z | HSNS660-54W1Z |
HSNH660-36W1 | HSNH660-40W1 | HSNH660-44W1 | HSNH660-46W1 | HSNH660-51W1 | HSNH660-54W1 |
HSNF660-36W1 | HSNF660-40W1 | HSNF660-44W1 | HSNF660-46W1 | HSNF660-51W1 | HSNF660-54W1 |
HSNS660-36W1 | HSNS660-40W1 | HSNS660-44W1 | HSNS660-46W1 | HSNS660-51W1 | HSNS660-54W1 |
HSNH660-36N | HSNH660-40N | HSNH660-44N | HSNH660-46N | HSNH660-51N | HSNH660-54N |
HSNF660-36N | HSNF660-40N | HSNF660-44N | HSNF660-46N | HSNF660-51N | HSNF660-54N |
HSNS660-36N | HSNS660-40N | HSNS660-44N | HSNS660-46N | HSNS660-51N | HSNS660-54N |
HSNH660-36 | HSNH660-40 | HSNH660-44 | HSNH660-46 | HSNH660-51 | HSNH660-54 |
HSNF660-36 | HSNF660-40 | HSNF660-44 | HSNF660-46 | HSNF660-51 | HSNF660-54 |
HSNS660-36 | HSNS660-40 | HSNS660-44 | HSNS660-46 | HSNS660-51 | HSNS660-54 |
HSND660-36W1 | HSND660-40W1 | HSND660-44W1 | HSND660-46W1 | HSND660-51W1 | HSND660-54W1 |
HSND660-36N | HSND660-40N | HSND660-44N | HSND660-46N | HSND660-51N | HSND660-54N |
HSND660-36 | HSND660-40 | HSND660-44 | HSND660-46 | HSND660-51 | HSND660-54 |
HSNK660-36W1 | HSNK660-40W1 | HSNK660-44W1 | HSNK660-46W1 | HSNK660-51W1 | HSNK660-54W1 |
HSNK660-36N | HSNK660-40N | HSNK660-44N | HSNK660-46N | HSNK660-51N | HSNK660-54N |
HSNK660-36 | HSNK660-40 | HSNK660-44 | HSNK660-46 | HSNK660-51 | HSNK660-54 |