PVV2-1X/055RA15UVB力士樂葉片泵 |
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價格:33 元(人民幣) | 產(chǎn)地:意大利 |
最少起訂量:1臺 | 發(fā)貨地:湖北 | |
上架時間:2017-07-11 16:57:41 | 瀏覽量:93 | |
武穴黎翔機電設備有限公司
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經(jīng)營模式:經(jīng)銷商 | 公司類型:私營合伙企業(yè) | |
所屬行業(yè):閥門 | 主要客戶:電廠,鋼廠,水泥廠 | |
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聯(lián)系人:黎翔 (先生) | 手機:18995766168 |
電話: |
傳真: |
郵箱:704552157@qq.com | 地址:湖北黃岡武穴市 |
PVV2-1X/055RA15UVB力士樂葉片泵 經(jīng)營產(chǎn)品: 閥類:電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡 閥、插裝閥、比例閥等 泵類:齒輪泵、柱塞泵、葉片泵等 承諾:保證原裝正品,假一賠十 量大價格好商量! 武穴黎翔機電設備有限公司REXROTH力士樂銷售部 詢價聯(lián)系人:陳工 詢價熱線: 0713-8529058,18995766168 詢價QQ: 1477538929, 2593165857 歡迎您的來電! 傳真:0713-6542758 廣泛應用于鋼鐵、冶金、鋁行業(yè)、石油化工、航天、船舶制造、煤炭、水泥、電力、汽車、工程機械、食品、藥業(yè)、林業(yè)、紡織、皮革、造紙等行業(yè)領域 電液比例閥簡稱比例閥。普通液壓閥只能通過預調的方式對液流的壓力、流量進行定值控制。但是當設備機構在工作過程中要求對液壓系統(tǒng)的壓力、流量參數(shù)進行調節(jié)或連續(xù)控制,例如.要求工作臺在工作進給時按慢、快、慢連續(xù)變化的速度實現(xiàn)進給,或按一定精度模擬某個最佳控制曲線實現(xiàn)旅力控制.普通液壓閥則實現(xiàn)不了。這時可以用電液比例閥對液壓系統(tǒng)進行控制。 電液比例閥是一種按輸入的電信號連續(xù)地、按比例地控制液壓系統(tǒng)的液流方向、流量和壓力的閥類。它山電-機械比例轉換裝置和液壓控制閥本體兩大部分構成.前者將輸入的電信號連續(xù)地按比例地轉換為機械力和位移輸出,后者在接受這種機械力和位移之后、按比例連續(xù)地輸出壓力和流量. 電液比例閥的發(fā)展主要有兩個途徑一是用比例電磁鐵取代傳統(tǒng)液壓閥的手動調節(jié)裝置或取代普通電磁鐵發(fā)展起來的;二是由電液伺服閥簡化結構、降低精度發(fā)展起來的。下面介紹的比例閥均指前者,它是當今比例閥的主流。與普通液壓閥可以互換。 比例電磁閥的結構如圖5-27所示。比例電磁鐵是直流電磁鐵,但它與普通直流電磁鐵不同。普通直流電磁鐵的銜鐵只有吸合和斷開兩個工作位置,并且在吸合時磁路中幾乎沒有氣隙.而比例電磁鐵要求吸合力或位移與給定電流成比例。并在銜鐵的全部工作行程上,磁路中保持一定的氣隙‘.其結構主要由極靴1、線圈2、殼體5和銜鐵10等組成。線圈2中通電后產(chǎn)生磁場,因隔磁環(huán)4的存在。使磁力線主要部分通過銜鐵10、氣隙和極靴1,形成回路口極靴對銜鐵產(chǎn)生吸力門在線圈中電流一定時。吸力的大小因極靴1與銜鐵間的距離不同而變化。但銜鐵在氣隙適中的一段行程中,吸力隨位置的改變發(fā)生的變化很小。 設計中就使比例電磁鐵的銜鐵在這段行程中工作。因此。改變線圈中的電流,即可在銜鐵上得到與其成正比的吸力。用比例電磁鐵代替螺旋手柄來調整液壓閥,就能使輸出樂力或流量與輸人電流對應成比例地發(fā)生變化。 比例閥用于模擬控制,是介于普通開關控制與伺服控制之間的控制方式,它也特別適合于 設備的革新或改造。使設備自動化控制水平大為提高。其在現(xiàn)代液雌系統(tǒng)中占比例很大口 與普通液壓閥相比.比例閥的優(yōu)點是:①能簡單地實現(xiàn)遠距離控制:②能連續(xù)地、按比例地控制液壓系統(tǒng)的壓力和流量。從而實現(xiàn)對執(zhí)行機構的位置、速度和力的連續(xù)控制,并能防止或減小壓力、速度變換時的沖擊;③油路簡化,元件數(shù)量少。 比例閥適用于既要求能連續(xù)控制脹力、流量.和方向.而又不需要很I的控制精度的場合。 比例閥也分為壓力閥、流量閥和方向閥幾大類。近來又出現(xiàn)了功能復合化的趨勢。
德國REXROTH力士樂PVV/PVQ雙聯(lián)葉片泵系列 PVV 和 PVQ 泵是定排量葉片泵。 在驅動軸驅動軸 (1) 的齒上安裝有轉子 (2),它在定子環(huán) (3) 內回轉。葉片 (4) 安裝在轉子槽內,轉子轉動時靠離心力使葉片壓在定子環(huán)的內表面。排油腔的端面由配油盤 (5) 密封。由于定子環(huán)是雙偏心結構,因此形成對稱布置的兩個吸油區(qū)和兩個壓油區(qū),因此傳動軸的徑向液壓力相互平衡而卸載。軸僅傳遞驅動轉矩。在吸油區(qū),葉片部分地卸荷。這能減少磨損和獲得高效率。取下端蓋 (6),可以更換泵芯 (由轉子、葉片、定子環(huán)和配油盤組成),而不必從鐘形罩上卸下泵體 (7)。這樣就能迅速地對泵進行維護和修理。 由于 PVQ 泵的設計結構,使其特別適用于行走機械應用。由于配油盤的特殊結構,而能夠補償轉子體的熱膨脹和能夠對突然的壓力變化起到抵抗作用。通過將配油盤分成柔性盤(7) 和端蓋 (8) 而形成反向壓力腔 (9),以平衡在擠壓器中的壓力。這就保證了轉子和柔性盤之間的最佳間隙,因而保證泵擁有最好的容積效率。 將第二個泵芯裝到它們的共同的軸上,便組成 PVV 和 PVQ雙聯(lián)泵。中間泵體 (10) 的公區(qū)吸油口,是泵的進油口。出油則分別通過各泵芯。前泵芯的壓油口在泵體法蘭上,而后泵芯的壓油口在端蓋上。 兩個泵中的大泵,總是在泵的法蘭端。同樣機型規(guī)格的泵芯,不能組成雙聯(lián)泵。 常用型號 PVV21-1X/040-018RA15DDMB PVV21-1X/040-027RA15DDMB PVV21-1X/040-036RA15DDMB PVV21-1X/040-040RA15DDMB PVV21-1X/045-018RA15DDMB PVV21-1X/045-027RA15DDMB PVV21-1X/045-036RA15DDMB PVV21-1X/045-040RA15DDMB PVV21-1X/055-018RA15DDMB PVV21-1X/055-027RA15DDMB PVV21-1X/055-036RA15DDMB PVV21-1X/055-040RA15DDMB PVV21-1X/055-046RA15DDMB PVV21-1X/060-018RA15DDMB PVV21-1X/060-027RA15DDMB PVV21-1X/060-036RA15DDMB PVV21-1X/060-040RA15DDMB PVV21-1X/060-046RA15DDMB PVV21-1X/068-018RA15DDMB PVV21-1X/068-027RA15DDMB PVV21-1X/068-036RA15DDMB PVV21-1X/068-040RA15DDMB PVV21-1X/068-046RA15DDMB PVV41-1X/069-018RA15DDMC PVV41-1X/069-027RA15DDMC PVV41-1X/069-036RA15DDMC PVV41-1X/069-040RA15DDMC PVV41-1X/069-046RA15DDMC PVV41-1X/082-018RA15DDMC PVV41-1X/082-027RA15DDMC PVV41-1X/082-036RA15DDMC PVV41-1X/082-040RA15DDMC PVV41-1X/082-046RA15DDMC PVV41-1X/098-018RA15DDMC PVV41-1X/098-027RA15DDMC PVV41-1X/098-036RA15DDMC PVV41-1X/098-040RA15DDMC PVV41-1X/098-046RA15DDMC PVV41-1X/113-018RA15DDMC PVV41-1X/113-027RA15DDMC PVV41-1X/113-036RA15DDMC PVV41-1X/113-040RA15DDMC PVV41-1X/113-046RA15DDMC PVV41-1X/122-018RA15DDMC PVV41-1X/122-027RA15DDMC PVV41-1X/122-036RA15DDMC PVV41-1X/122-040RA15DDMC PVV41-1X/122-046RA15DDMC PVV42-1X/069-040RA15DDMC PVV42-1X/069-045RA15DDMC PVV42-1X/069-055RA15DDMC PVV42-1X/069-060RA15DDMC PVV42-1X/069-068RA15DDMC PVV42-1X/082-040RA15DDMC PVV42-1X/082-045RA15DDMC PVV42-1X/082-055RA15DDMC PVV42-1X/082-060RA15DDMC PVV42-1X/082-068RA15DDMC PVV42-1X/098-040RA15DDMC PVV42-1X/098-045RA15DDMC PVV42-1X/098-055RA15DDMC PVV42-1X/098-060RA15DDMC PVV42-1X/098-068RA15DDMC PVV42-1X/113-040RA15DDMC PVV42-1X/113-045RA15DDMC PVV42-1X/113-055RA15DDMC PVV42-1X/113-060RA15DDMC PVV42-1X/113-068RA15DDMC PVV42-1X/122-040RA15DDMC PVV42-1X/122-045RA15DDMC PVV42-1X/122-055RA15DDMC PVV42-1X/122-060RA15DDMC PVV42-1X/122-068RA15DDMC PVV51-1X/139-018RA15DDMC PVV51-1X/139-027RA15DDMC PVV51-1X/139-036RA15DDMC PVV51-1X/139-040RA15DDMC PVV51-1X/139-046RA15DDMC PVV51-1X/154-018RA15DDMC PVV51-1X/154-027RA15DDMC PVV51-1X/154-036RA15DDMC PVV51-1X/154-040RA15DDMC PVV51-1X/154-046RA15DDMC PVV51-1X/162-018RA15DDMC PVV51-1X/162-027RA15DDMC PVV51-1X/162-036RA15DDMC PVV51-1X/162-040RA15DDMC PVV51-1X/162-046RA15DDMC PVV51-1X/183-018RA15DDMC PVV51-1X/183-027RA15DDMC PVV51-1X/183-036RA15DDMC PVV51-1X/183-040RA15DDMC PVV51-1X/183-046RA15DDMC PVV51-1X/193-018RA15DDMC PVV51-1X/193-027RA15DDMC PVV51-1X/193-036RA15DDMC PVV51-1X/193-040RA15DDMC PVV51-1X/193-046RA15DDMC PVV52-1X/139-040RA15DDMC PVV52-1X/139-045RA15DDMC PVV52-1X/139-055RA15DDMC PVV52-1X/139-060RA15DDMC PVV52-1X/139-068RA15DDMC PVV52-1X/154-040RA15DDMC PVV52-1X/154-045RA15DDMC PVV52-1X/154-055RA15DDMC PVV52-1X/154-060RA15DDMC PVV52-1X/154-068RA15DDMC PVV52-1X/162-040RA15DDMC PVV52-1X/162-045RA15DDMC PVV52-1X/162-055RA15DDMC PVV52-1X/162-060RA15DDMC PVV52-1X/162-068RA15DDMC PVV52-1X/183-040RA15DDMC PVV52-1X/183-045RA15DDMC PVV52-1X/183-055RA15DDMC PVV52-1X/183-060RA15DDMC PVV52-1X/183-068RA15DDMC PVV52-1X/193-040RA15DDMC PVV52-1X/193-045RA15DDMC PVV52-1X/193-055RA15DDMC PVV52-1X/193-060RA15DDMC PVV52-1X/193-068RA15DDMC PVV54-1X/139-069RA15DDMC PVV54-1X/139-082RA15DDMC PVV54-1X/139-098RA15DDMC PVV54-1X/139-113RA15DDMC PVV54-1X/139-122RA15DDMC PVV54-1X/154-069RA15DDMC PVV54-1X/154-082RA15DDMC PVV54-1X/154-098RA15DDMC PVV54-1X/154-113RA15DDMC PVV54-1X/154-122RA15DDMC PVV54-1X/162-069RA15DDMC PVV54-1X/162-082RA15DDMC PVV54-1X/162-098RA15DDMC PVV54-1X/162-113RA15DDMC PVV54-1X/162-122RA15DDMC PVV54-1X/183-069RA15DDMC PVV54-1X/183-082RA15DDMC PVV54-1X/183-098RA15DDMC PVV54-1X/183-113RA15DDMC PVV54-1X/183-122RA15DDMC PVV54-1X/193-069RA15DDMC PVV54-1X/193-082RA15DDMC PVV54-1X/193-098RA15DDMC PVV54-1X/193-113RA15DDMC PVV54-1X/193-122RA15DDMC
PVV21-1X/040-018RB15DDMB PVV21-1X/040-027RB15DDMB PVV21-1X/040-036RB15DDMB PVV21-1X/040-040RB15DDMB PVV21-1X/045-018RB15DDMB PVV21-1X/045-027RB15DDMB PVV21-1X/045-036RB15DDMB PVV21-1X/045-040RB15DDMB PVV21-1X/055-018RB15DDMB PVV21-1X/055-027RB15DDMB PVV21-1X/055-036RB15DDMB PVV21-1X/055-040RB15DDMB PVV21-1X/055-046RB15DDMB PVV21-1X/060-018RB15DDMB PVV21-1X/060-027RB15DDMB PVV21-1X/060-036RB15DDMB PVV21-1X/060-040RB15DDMB PVV21-1X/060-046RB15DDMB PVV21-1X/068-018RB15DDMB PVV21-1X/068-027RB15DDMB PVV21-1X/068-036RB15DDMB PVV21-1X/068-040RB15DDMB PVV21-1X/068-046RB15DDMB PVV41-1X/069-018RB15DDMC PVV41-1X/069-027RB15DDMC PVV41-1X/069-036RB15DDMC PVV41-1X/069-040RB15DDMC PVV41-1X/069-046RB15DDMC PVV41-1X/082-018RB15DDMC PVV41-1X/082-027RB15DDMC PVV41-1X/082-036RB15DDMC PVV41-1X/082-040RB15DDMC PVV41-1X/082-046RB15DDMC PVV41-1X/098-018RB15DDMC PVV41-1X/098-027RB15DDMC PVV41-1X/098-036RB15DDMC PVV41-1X/098-040RB15DDMC PVV41-1X/098-046RB15DDMC PVV41-1X/113-018RB15DDMC PVV41-1X/113-027RB15DDMC PVV41-1X/113-036RB15DDMC PVV41-1X/113-040RB15DDMC PVV41-1X/113-046RB15DDMC PVV41-1X/122-018RB15DDMC PVV41-1X/122-027RB15DDMC PVV41-1X/122-036RB15DDMC PVV41-1X/122-040RB15DDMC PVV41-1X/122-046RB15DDMC PVV42-1X/069-040RB15DDMC PVV42-1X/069-045RB15DDMC PVV42-1X/069-055RB15DDMC PVV42-1X/069-060RB15DDMC PVV42-1X/069-068RB15DDMC PVV42-1X/082-040RB15DDMC PVV42-1X/082-045RB15DDMC PVV42-1X/082-055RB15DDMC PVV42-1X/082-060RB15DDMC PVV42-1X/082-068RB15DDMC PVV42-1X/098-040RB15DDMC PVV42-1X/098-045RB15DDMC PVV42-1X/098-055RB15DDMC PVV42-1X/098-060RB15DDMC PVV42-1X/098-068RB15DDMC PVV42-1X/113-040RB15DDMC PVV42-1X/113-045RB15DDMC PVV42-1X/113-055RB15DDMC PVV42-1X/113-060RB15DDMC PVV42-1X/113-068RB15DDMC PVV42-1X/122-040RB15DDMC PVV42-1X/122-045RB15DDMC PVV42-1X/122-055RB15DDMC PVV42-1X/122-060RB15DDMC PVV42-1X/122-068RB15DDMC PVV51-1X/139-018RB15DDMC PVV51-1X/139-027RB15DDMC PVV51-1X/139-036RB15DDMC PVV51-1X/139-040RB15DDMC PVV51-1X/139-046RB15DDMC PVV51-1X/154-018RB15DDMC PVV51-1X/154-027RB15DDMC PVV51-1X/154-036RB15DDMC PVV51-1X/154-040RB15DDMC PVV51-1X/154-046RB15DDMC PVV51-1X/162-018RB15DDMC PVV51-1X/162-027RB15DDMC PVV51-1X/162-036RB15DDMC PVV51-1X/162-040RB15DDMC PVV51-1X/162-046RB15DDMC PVV51-1X/183-018RB15DDMC PVV51-1X/183-027RB15DDMC PVV51-1X/183-036RB15DDMC PVV51-1X/183-040RB15DDMC PVV51-1X/183-046RB15DDMC PVV51-1X/193-018RB15DDMC PVV51-1X/193-027RB15DDMC PVV51-1X/193-036RB15DDMC PVV51-1X/193-040RB15DDMC PVV51-1X/193-046RB15DDMC PVV52-1X/139-040RB15DDMC PVV52-1X/139-045RB15DDMC PVV52-1X/139-055RB15DDMC PVV52-1X/139-060RB15DDMC PVV52-1X/139-068RB15DDMC PVV52-1X/154-040RB15DDMC PVV52-1X/154-045RB15DDMC PVV52-1X/154-055RB15DDMC PVV52-1X/154-060RB15DDMC PVV52-1X/154-068RB15DDMC PVV52-1X/162-040RB15DDMC PVV52-1X/162-045RB15DDMC PVV52-1X/162-055RB15DDMC PVV52-1X/162-060RB15DDMC PVV52-1X/162-068RB15DDMC PVV52-1X/183-040RB15DDMC PVV52-1X/183-045RB15DDMC PVV52-1X/183-055RB15DDMC PVV52-1X/183-060RB15DDMC PVV52-1X/183-068RB15DDMC PVV52-1X/193-040RB15DDMC PVV52-1X/193-045RB15DDMC 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