?R412007250安沃馳氣動(dòng)閥由上海韋米機(jī)電設(shè)備有限公司專業(yè)提供,德國力士樂安沃馳全新進(jìn)口,特價(jià)處理,聯(lián)系電話:021-61116812 傳真:021-51334670 聯(lián)系人:何洋,聯(lián)系手機(jī)13524125780(微信),在線QQ報(bào)價(jià):1875691081 我公司主營進(jìn)口液壓泵閥、工控備件,上海優(yōu)勢(shì)供應(yīng)商,具有上海一般納稅人資質(zhì),所有商品開具17%增值稅發(fā)票,原裝正 品,品質(zhì)保證,報(bào)價(jià)迅速,特價(jià)銷售,貨期短(現(xiàn)貨部分可當(dāng)天發(fā)貨),熱誠歡迎新老客戶來電咨詢選購
我公司專業(yè)代理德國博世力士樂(BOSCH-REXROTH)、意大利阿托斯ATOS、美國派克Parker、意大利迪普馬DUPLOMATIC、日本以及臺(tái)灣油研YUKEN;美國本特利內(nèi)華達(dá)Bently Nevada、奧地利貝加萊B&R、德國西門子、日本光洋KOYO, 美國伊頓威格士VICKERS泵閥 日本大金DAIKIN電磁閥,德國艾爾泰克AIRTEC電磁閥 等系列進(jìn)口產(chǎn)品
安沃馳集團(tuán)是一家氣動(dòng)元件和自動(dòng)化系統(tǒng)的集團(tuán)公司,同時(shí),公司還是船舶工業(yè)、油田設(shè)備和商用車輛傳動(dòng)和控制解決方案的專業(yè)供應(yīng)商。公司前身是博世力士樂的氣動(dòng)業(yè)務(wù)部門,現(xiàn)在業(yè)務(wù)獨(dú)立運(yùn)營。安沃馳憑借專業(yè)背景和技術(shù),為不同客戶量身定制跨行業(yè)的系統(tǒng)解決方案和產(chǎn)品,奠定了自身工業(yè)氣動(dòng)高品質(zhì)供應(yīng)商的地位。為更多企業(yè)產(chǎn)品的質(zhì)量和可靠性提供強(qiáng)有力的保證。集團(tuán)總部位于德國漢諾威,并在德國、美國、法國、匈牙利和中國擁有5大生產(chǎn)和研發(fā)基地。[1]?
2001年博世自動(dòng)化部門與曼內(nèi)斯曼力士樂合并,組建新的博世力士樂股份有限公司(B osch Rexroth AG)氣動(dòng)成為傳動(dòng)與控制公司的一個(gè)業(yè)務(wù)分支;
氣動(dòng)控制閥是指在氣動(dòng)系統(tǒng)中控制氣流的壓力、流量和流動(dòng)方向,并保證氣動(dòng)執(zhí)行元件或機(jī)構(gòu)正常工作的各類氣動(dòng)元件??刂坪驼{(diào)節(jié)壓縮空氣壓力的元件稱為壓力控制閥??刂坪驼{(diào)節(jié)壓縮空氣流量的元件稱為流量控制閥。改變和控制氣流流動(dòng)方向的元件稱為方向控制閥。
除上述三類控制閥外,還有能實(shí)現(xiàn)一定邏輯功能的邏輯元件,包括元件內(nèi)部無可動(dòng)部件的射流元件和有可動(dòng)部件的氣動(dòng)邏輯元件。在結(jié)構(gòu)原理上,邏輯元件基本上和方向控制閥相同,僅僅是體積和通徑較小,一般用來實(shí)現(xiàn)信號(hào)的邏輯運(yùn)算功能。近年來,隨著氣動(dòng)元件的小型化以及PLC控制在氣動(dòng)系統(tǒng)中的大量應(yīng)用,氣動(dòng)邏輯元件的應(yīng)用范圍正在逐漸減小。
AVENTICS安沃馳 1823391910 二位二通截止閉, 系列 SC01
AVENTICS安沃馳 0820406001 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 0820405001 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 0820407001 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 0820406001 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 0820402007 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 0820405001 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 0820402007 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 0820407001 2路3通手動(dòng)滑閥, 系列 ML
AVENTICS安沃馳 R412005514 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005517 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005520 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005515 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005519 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005512 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005511 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005521 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005518 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005511 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005517 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005513 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005516 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005520 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005518 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005512 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005513 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005516 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005514 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005521 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005510 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005510 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005519 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005515 彎角 球閥, QR1 BWG
AVENTICS安沃馳 R412005523 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005522 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005522 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005525 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005524 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005523 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005525 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005524 彎角 球閥, QR1 BWS
AVENTICS安沃馳 R412005509 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005506 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005508 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005508 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005509 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005507 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005506 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005507 隔壁 球閥, QR1 BSS
AVENTICS安沃馳 R412005494 球閥, QR1 BGS
AVENTICS安沃馳 R412005493 球閥, QR1 BGS
AVENTICS安沃馳 R412005490 球閥, QR1 BGS
AVENTICS安沃馳 R412005497 球閥, QR1 BGS
AVENTICS安沃馳 R412005494 球閥, QR1 BGS
AVENTICS安沃馳 R412005492 球閥, QR1 BGS
AVENTICS安沃馳 R412005498 球閥, QR1 BGS
AVENTICS安沃馳 R412005491 球閥, QR1 BGS
AVENTICS安沃馳 R412005493 球閥, QR1 BGS
AVENTICS安沃馳 R412005501 球閥, QR1 BGS
AVENTICS安沃馳 R412005500 球閥, QR1 BGS
AVENTICS安沃馳 R412005492 球閥, QR1 BGS
AVENTICS安沃馳 R412005490 球閥, QR1 BGS
AVENTICS安沃馳 R412005500 球閥, QR1 BGS
AVENTICS安沃馳 R412005499 球閥, QR1 BGS
AVENTICS安沃馳 R412005495 球閥, QR1 BGS
AVENTICS安沃馳 R412005491 球閥, QR1 BGS
AVENTICS安沃馳 R412005495 球閥, QR1 BGS
AVENTICS安沃馳 R412005496 球閥, QR1 BGS
AVENTICS安沃馳 R412005499 球閥, QR1 BGS
AVENTICS安沃馳 R412005496 球閥, QR1 BGS
AVENTICS安沃馳 R412005501 球閥, QR1 BGS
AVENTICS安沃馳 R412005498 球閥, QR1 BGS
AVENTICS安沃馳 R412005497 球閥, QR1 BGS
AVENTICS安沃馳 R412005504 球閥, QR1 BSK
AVENTICS安沃馳 R412005502 球閥, QR1 BSK
AVENTICS安沃馳 R412005505 球閥, QR1 BSK
AVENTICS安沃馳 R412005503 球閥, QR1 BSK
AVENTICS安沃馳 R412005505 球閥, QR1 BSK
AVENTICS安沃馳 R412005502 球閥, QR1 BSK
AVENTICS安沃馳 R412005504 球閥, QR1 BSK
AVENTICS安沃馳 R412005503 球閥, QR1 BSK
AVENTICS安沃馳 R412005488 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005487 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005489 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005486 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005489 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005487 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005486 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005488 二位三通 截止閥, 系列 QR1 AGG
AVENTICS安沃馳 R412005477 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005474 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005473 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005470 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005477 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005478 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005475 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005480 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005480 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005479 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005471 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005470 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005476 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005474 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005479 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005473 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005476 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005472 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005471 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005475 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005472 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005478 二位三通 截止閥, 系列 QR1 AGS
AVENTICS安沃馳 R412005459 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005463 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005460 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005465 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005469 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005462 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005459 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005462 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005464 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005464 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005463 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005467 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005469 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005459 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005463 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005465 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005459 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005468 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005466 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005461 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005467 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005460 二位三通 截止閥, 系列 QR1 ASG
AVENTICS安沃馳 R412005483 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 R412005485 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 R412005484 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 R412005485 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 R412005483 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 R412005482 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 R412005482 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 R412005484 二位三通 截止閥, 系列 QR1 ASC
AVENTICS安沃馳 0821003076 急停閥
AVENTICS安沃馳 0821003075 急停閥
AVENTICS安沃馳 0821003075 急停閥
AVENTICS安沃馳 0821003076 急停閥
AVENTICS安沃馳 5735040300 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040100 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040200 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040900 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735030010 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040400 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735030010 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040000 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040000 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040200 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040300 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040900 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040100 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 5735040400 快速通風(fēng)閥, 系列 573
AVENTICS安沃馳 0821002003 快速通風(fēng)閥
AVENTICS安沃馳 0821002004 快速通風(fēng)閥
AVENTICS安沃馳 0821002004 快速通風(fēng)閥
AVENTICS安沃馳 0821002002 快速通風(fēng)閥
AVENTICS安沃馳 0821002002 快速通風(fēng)閥
AVENTICS安沃馳 0821002003 快速通風(fēng)閥
AVENTICS安沃馳 5340051000 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 5340053000 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 5340050010 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 5340051010 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003028 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003025 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003030 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003027 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003026 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003029 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003042 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003047 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003046 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003048 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003045 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003051 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 0821003050 先導(dǎo)式單向閥, 系列 NR02
AVENTICS安沃馳 5340970600 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340970400 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340970500 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340970300 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 0821003007 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 0821003008 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981400 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981300 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981100 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981100 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981200 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981000 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981200 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981000 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981400 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 5340981300 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 1823373105 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 1823373103 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 1823373108 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 1823373107 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 1823373104 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 1823373111 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 1823373106 單向節(jié)流閥, 系列 NR01
AVENTICS安沃馳 0821003018 單向節(jié)流閥, 系列 NR01
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AVENTICS安沃馳 0821003002 單向節(jié)流閥, 系列 NR01
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AVENTICS安沃馳 R412005536 止回閥, QR1 AVT
AVENTICS安沃馳 R412005528 止回閥, QR1 AAN
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AVENTICS安沃馳 R412005534 止回閥, QR1 AAN
AVENTICS安沃馳 R412005531 止回閥, QR1 AAN
AVENTICS安沃馳 R412005529 止回閥, QR1 AAN
AVENTICS安沃馳 R412005526 止回閥, QR1 AAN
AVENTICS安沃馳 R412005530 止回閥, QR1 AAN
AVENTICS安沃馳 R412005533 止回閥, QR1 AAN
AVENTICS安沃馳 R412005535 止回閥, QR1 AAN
AVENTICS安沃馳 R412005532 止回閥, QR1 AAN
AVENTICS安沃馳 R412005572 單向節(jié)流閥, 系列 QR1 ANR
AVENTICS安沃馳 R412005568 單向節(jié)流閥, 系列 QR1 ANR
AVENTICS安沃馳 R412005565 單向節(jié)流閥, 系列 QR1 ANR
氣動(dòng)控制閥是指在氣動(dòng)系統(tǒng)中控制氣流的壓力、流量和流動(dòng)方向,并保證氣動(dòng)執(zhí)行元件或機(jī)構(gòu)正常工作的各類氣動(dòng)元件??刂坪驼{(diào)節(jié)壓縮空氣壓力的元件稱為壓力控制閥。控制和調(diào)節(jié)壓縮空氣流量的元件稱為流量控制閥。改變和控制氣流流動(dòng)方向的元件稱為方向控制閥。
除上述三類控制閥外,還有能實(shí)現(xiàn)一定邏輯功能的邏輯元件,包括元件內(nèi)部無可動(dòng)部件的射流元件和有可動(dòng)部件的氣動(dòng)邏輯元件。在結(jié)構(gòu)原理上,邏輯元件基本上和方向控制閥相同,僅僅是體積和通徑較小,一般用來實(shí)現(xiàn)信號(hào)的邏輯運(yùn)算功能。近年來,隨著氣動(dòng)元件的小型化以及PLC控制在氣動(dòng)系統(tǒng)中的大量應(yīng)用,氣動(dòng)邏輯元件的應(yīng)用范圍正在逐漸減小。
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常用液壓名稱\名詞解釋
電磁閥(Electromagnetic valve)是用電磁控制的工業(yè)設(shè)備,是用來控制流體的自動(dòng)化基礎(chǔ)元件,屬于執(zhí)行器,并不限于液壓、氣動(dòng)。用在工業(yè)控制系統(tǒng)中調(diào)整介質(zhì)的方向、流量、速度和其他的參數(shù)。電磁閥可以配合不同的電路來實(shí)現(xiàn)預(yù)期的控制,而控制的精度和靈活性都能夠保證。電磁閥有很多種,不同的電磁閥在控制系統(tǒng)的不同位置發(fā)揮作用,最常用的是單向閥、安全閥、方向控制閥、速度調(diào)節(jié)閥等。
電磁閥里有密閉的腔,在不同位置開有通孔,每個(gè)孔連接不同的油管,腔中間是活塞,兩面是兩塊電磁鐵,哪面的磁鐵線圈通電閥體就會(huì)被吸引到哪邊,通過控制閥體的移動(dòng)來開啟或關(guān)閉不同的排油孔,而進(jìn)油孔是常開的,液壓油就會(huì)進(jìn)入不同的排油管,然后通過油的壓力來推動(dòng)油缸的活塞,活塞又帶動(dòng)活塞桿,活塞桿帶動(dòng)
機(jī)械裝置。這樣通過控制電磁鐵的電流通斷就控制了機(jī)械運(yùn)動(dòng)。
柱塞泵是液壓系統(tǒng)的一個(gè)重要裝置。它依靠柱塞在缸體中往復(fù)運(yùn)動(dòng),使密封工作容腔的容積發(fā)生變化來實(shí)現(xiàn)吸油、壓油。柱塞泵具有額定壓力高、結(jié)構(gòu)緊湊、效率高和流量調(diào)節(jié)方便等優(yōu)點(diǎn),被廣泛應(yīng)用于高壓、大流量和流量需要調(diào)節(jié)的場(chǎng)合,諸如液壓機(jī)、工程機(jī)械和船舶中。機(jī)械分類 ? 軸向式 ? 直軸斜盤式 ?? 徑向式 ? 液壓式 柱塞泵一般分為單柱塞泵、臥式柱塞泵、軸向柱塞泵和徑向柱塞泵。
比例閥 閥對(duì)流量的控制可以分為兩種:
一種是開關(guān)控制:要么全開、要么全關(guān),流量要么最大、要么最小,沒有中間狀態(tài),如普通的電磁直通閥、電磁換向閥、電液換向閥。
另一種是連續(xù)控制:閥口可以根據(jù)需要打開任意一個(gè)開度,由此控制通過流量的大小,這類閥有手動(dòng)控制的,如節(jié)流閥,也有電控的,如比例閥、伺服閥。
所以使用比例閥或伺服閥的目的就是:以電控方式實(shí)現(xiàn)對(duì)流量的節(jié)流控制(當(dāng)然經(jīng)過結(jié)構(gòu)上的改動(dòng)也可實(shí)現(xiàn)壓力控制等),既然是節(jié)流控制,就必然有能量損失,伺服閥和其它閥不同的是,它的能量損失更大一些,因?yàn)樗枰欢ǖ牧髁縼砭S持前置級(jí)控制油路的工作。
換向閥是具有兩種以上流動(dòng)形式和兩個(gè)以上油口的方向控制閥。是實(shí)現(xiàn)液壓油流的溝通、切斷和換向,以及壓力卸載和順序動(dòng)作控制的閥門。
可分為手動(dòng)換向閥、電磁換向閥、電液換向閥等。
又稱克里斯閥,閥門的一種,具有多向可調(diào)的通道,可適時(shí)改變流體流向。
工作時(shí)借著閥外的驅(qū)動(dòng)傳動(dòng)機(jī)構(gòu)轉(zhuǎn)動(dòng)驅(qū)動(dòng)軸,帶動(dòng)搖拐臂,啟動(dòng)閥板,使工作流體時(shí)而從左入口通向閥的下部出口,時(shí)而從右入口變換通向下部出口,實(shí)現(xiàn)了周期變換流向的目的。
這種變換閥在石油、化工生產(chǎn)中有著廣泛的應(yīng)用,在合成氨造氣系統(tǒng)中最為常用。此外,換向閥還可作成閥瓣式的結(jié)構(gòu),多用于較小流量的場(chǎng)合。工作時(shí)只需轉(zhuǎn)動(dòng)手輪通過閥瓣來變換工作流體的流向。
溢流閥是一種液壓壓力控制閥,在液壓設(shè)備中主要起定壓溢流作用,穩(wěn)壓,系統(tǒng)卸荷和安全保護(hù)作用。
主要作用編輯定壓溢流作用:在定量泵節(jié)流調(diào)節(jié)系統(tǒng)中,定量泵提供的是恒定流量。當(dāng)系統(tǒng)壓力增大時(shí),會(huì)使流量需求減小。此時(shí)溢流閥開啟,使多余流量溢回油箱,保證溢流閥進(jìn)口壓力,即泵出口壓力恒定(閥口常隨壓力波動(dòng)開啟)。
節(jié)流閥是通過改變節(jié)流截面或節(jié)流長度以控制流體流量的閥門。將節(jié)流閥和單向閥并聯(lián)則可組合成單向節(jié)流閥。節(jié)流閥和單向節(jié)流閥是簡(jiǎn)易的流量控制閥,在定量泵液壓系統(tǒng)中,節(jié)流閥和溢流閥配合,可組成三種節(jié)流調(diào)速系統(tǒng),即進(jìn)油路節(jié)流調(diào)速系統(tǒng)、回油路節(jié)流調(diào)速系統(tǒng)和旁路節(jié)流調(diào)速系統(tǒng)。節(jié)流閥沒有流量負(fù)反饋功能,不能補(bǔ)償由負(fù)載變化所造成的速度不穩(wěn)定,一般僅用于負(fù)載變化不大或?qū)λ俣确€(wěn)定性要求不高的場(chǎng)合。
齒輪泵是依靠泵缸與嚙合齒輪間所形成的工作容積變化和移動(dòng)來輸送液體或使之增壓的回轉(zhuǎn)泵。由兩個(gè)齒輪、泵體與前后蓋組成兩個(gè)封閉空間,當(dāng)齒輪轉(zhuǎn)動(dòng)時(shí),齒輪脫開側(cè)的空間的體積從小變大,形成真空,將液體吸入,齒輪嚙合側(cè)的空間的體積從大變小,而將液體擠入管路中去。吸入腔與排出腔是靠兩個(gè)齒輪的嚙合線來隔開的。齒輪泵的排出口的壓力完全取決于泵出處阻力的大小。
葉片泵因?yàn)闅v史的葉片泵根據(jù)中類型的不同有兩種
一)專門指容積泵中的滑片泵。
二)指動(dòng)力式泵的三泵(離心泵、混流泵、軸流泵)或其他特殊的泵。
這類泵產(chǎn)品一般不會(huì)叫葉片泵。但作為專著,葉片泵幾乎全部是指離心泵、混流泵、軸流泵等。
根據(jù)其每轉(zhuǎn)的理論排量是固定值還是可變值,可以分為葉片式變量泵和葉片式定量泵。
工作原理編輯葉片泵轉(zhuǎn)子旋轉(zhuǎn)時(shí),葉片在離心力和壓力油的作用下,尖部緊貼在定子內(nèi)表面上。這樣兩個(gè)葉片與轉(zhuǎn)子和定子內(nèi)表面所構(gòu)成的工作容積,先由小到大吸油后再由大到小排油,葉片旋轉(zhuǎn)一周時(shí),完成兩次吸油與排油。
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單向閥是流體只能沿進(jìn)口流動(dòng),出口介質(zhì)卻無法回流的裝置
單向閥 Check Valve?
單向閥又稱止回閥或逆止閥。用于液壓系統(tǒng)中防止油流反向流動(dòng),或者用于氣動(dòng)系統(tǒng)中防止壓縮空氣逆向流動(dòng)。
單向閥有直通式和直角式兩種。直通式單向閥用螺紋連接安裝在管路上。直角式單向閥有螺紋連接、板式連接和法蘭連接三種形式。液控單向閥也稱閉鎖閥或保壓閥,它與單向閥相同,用以防止油液反向流動(dòng)。但在液壓回路中需要油流反向流動(dòng)時(shí)又可利用控制油壓,打開單向閥,使油流在兩個(gè)方向都可流動(dòng)。液控單向閥采用錐形閥芯,因此密封性能好。在要求封閉油路時(shí),可用此閥作為油路的單向鎖緊而起保壓作用。液控單向閥控制油的泄漏方式有內(nèi)泄式和外泄式二種。在油流反向出口無背壓的油路中可用內(nèi)泄式;否則需用外泄式,以降低控制油壓力。
壓力繼電器,液壓術(shù)語,是液壓系統(tǒng)中當(dāng)流體壓力達(dá)到預(yù)定值時(shí),使電接點(diǎn)動(dòng)作的元件。
2.是將壓力轉(zhuǎn)換成電信號(hào)的液壓元器件,客戶根據(jù)自身的壓力設(shè)計(jì)需要,通過調(diào)節(jié)壓力繼電器,實(shí)現(xiàn)在某一設(shè)定的壓力時(shí),輸出一個(gè)電信號(hào)的功能。