KOMPASS V38A3R10X
北京華德液壓A2F28R4P4主油泵 通過調(diào)節(jié)斜盤的傾角可改變泵的排量。柱塞泵是往復(fù)泵的一種,屬于體積泵,其柱塞靠泵軸的偏心轉(zhuǎn)動(dòng)驅(qū)動(dòng),往復(fù)運(yùn)動(dòng),其吸入和排出閥都是單向閥。當(dāng)柱塞外拉時(shí),工作室內(nèi)壓力降低,出口閥關(guān)閉,低于進(jìn)口壓力時(shí),進(jìn)口閥打開,液體進(jìn)入;柱塞內(nèi)推時(shí),工作室壓力升高,進(jìn)口閥關(guān)閉,高于出口壓力時(shí),出口閥打開,液體排出。當(dāng)傳動(dòng)軸帶動(dòng)缸體旋轉(zhuǎn)時(shí),斜盤將柱塞從缸體中拉出或推回,完成吸排油過程。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸、排油腔相通。變量機(jī)構(gòu)用來(lái)改變斜盤的傾角,通過調(diào)節(jié)斜盤的傾角可改變泵的排量。若回路負(fù)載持續(xù)上升,泵的壓力也持續(xù)上升,當(dāng)屬正常。若負(fù)載一定,泵的壓力超過負(fù)載所需壓力值,則應(yīng)檢查泵以外的液。 油箱容積和冷卻器,可以杜絕泵的過度發(fā)熱和油溫過高的現(xiàn)象,另外,回油過濾器堵塞造成回油背壓過高,也會(huì)引起油溫過高和泵體過熱,2.中位時(shí)排油量不為零6.液壓泵過熱(2)管道內(nèi)液流產(chǎn)生的噪聲進(jìn)油管道太細(xì),進(jìn)油濾油器通流能力過小或堵塞。VDR系列油泵具有以下幾個(gè)特點(diǎn):壓力在14MPa穩(wěn)定地高效運(yùn)行,高精密度的瞬時(shí)響應(yīng)性, 高壓區(qū)域,低噪音的動(dòng)作,降低動(dòng)力損失,耐惡劣環(huán)境的堅(jiān)實(shí)構(gòu)造。
北京華德液壓A2F28R4P4主油泵 密封破損;(6)鑄鐵泵殼有砂眼或焊接不良。當(dāng)凸輪的凸起部分轉(zhuǎn)過去后,在彈簧力的作用下,柱塞向下運(yùn)動(dòng),柱塞上部空間(稱為泵油室)產(chǎn)生真空度,當(dāng)柱塞上端面把柱塞套上的進(jìn)油孔打開后,充滿在油泵上體油道內(nèi)的柴油經(jīng)油孔進(jìn)入泵油室,柱塞運(yùn)動(dòng)到下止點(diǎn),進(jìn)油結(jié)束。變量式軸向柱塞泵的斜盤傾角為零時(shí)稱為中位,此時(shí)泵的輸出流量應(yīng)為零。但有時(shí)會(huì)出現(xiàn)中位偏離調(diào)整機(jī)構(gòu)中點(diǎn)的現(xiàn)象,在中點(diǎn)時(shí)仍有流量輸出。其原因是控制器的位置偏離、松動(dòng)或損傷,需要重新調(diào)零、緊固或更換。泵的角度維持力不夠、傾斜角耳軸磨損也會(huì)產(chǎn)生這種現(xiàn)象。(1)機(jī)械振動(dòng)和噪聲變量式軸向柱塞泵的斜盤傾角為零時(shí)稱為中位,此時(shí)泵的輸出流量應(yīng)為零。但有時(shí)會(huì)出現(xiàn)中位偏離調(diào)整機(jī)構(gòu)。 柱塞向一個(gè)方向運(yùn)動(dòng)時(shí)缸內(nèi)出現(xiàn)負(fù)壓,這時(shí)一個(gè)單向閥打開液體被吸入缸,柱塞向另一個(gè)方向運(yùn)動(dòng)時(shí),將液體壓縮后另一個(gè)單向閥被打開,被吸入缸內(nèi)的液體被排出,這種工作方式連續(xù)運(yùn)動(dòng)后就形成了連續(xù)供油,1.液壓泵輸出流量不足或不輸出油液實(shí)際上。VDR-11B-2A2-2A3-22 VDR-11B-2A3-2A3-22 VDS葉片泵 VDS系列的葉片泵具有降低動(dòng)力損失的高效運(yùn)行,噪音低,外形小,結(jié)構(gòu)簡(jiǎn)單,操作簡(jiǎn)便, 快速的特性和敏銳的響應(yīng)性,效果高,壽命長(zhǎng),結(jié)構(gòu)牢固等特點(diǎn)。
4WE10H-6.0/OAW220NZ4V 4WE10J-60/OAW220NZ4V
4WE10L-50/OAW220NZ4V 4WE10M-60/OAW220NZ4V
4WE10Q-6.0/OAW220NZ4V 4WE6P-60/OAW220NZ4V
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4WE10V-6.0/OW220NZ4V
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4WE10W-50/OFAG24NZ4V 4WE10T-60/OFAG24NZ4V
4WE10V-50/OFAG24NZ4V
電磁換向閥 4WE6D7X/HG24N9K4
電磁換向閥 4WE6C7X/HG24N9K4
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電磁換向閥 4WE6D6X/EG24N9K4
電磁換向閥 4WE6C6X/EG24N9K4
電磁換向閥 4WE6E6X/EG24N9K4
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電磁換向閥 4WE6H6X/EG24N9K4
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電磁換向閥 4WE6D/OFEG24N9K4
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電磁換向閥 4WE6HA6X/EG24N9K4
電磁換向閥 4WE6U6X/EG24N9K4
電磁換向閥 4WE6R73-6X/EG24N9K4/A12
電磁換向閥 3WE6A6X/EG24N9K4
電磁換向閥 4WE10Y3X/CG24N9K4
電磁換向閥 4E10D3X/CG24N9K4
電磁換向閥 4WE10EA3X/CG24N9K4
電磁換向閥 4WE10EB3X/CG24N9K4
北京華德溢流閥DBW10A-1-50B/200 6CG24N9Z5L DBW10A-2-50B/200 6CG24N9Z5L DBW10A-1-50B/315 6CG24N9Z5L DBW10A-2-50B/315 6CG24N9Z5L DBW10A-1-50B/200 6CW220-50N9Z5L DBW10A-2-50B/200 6CW220-50N9Z5L DBW10A-1-50B/315 6CW220-50N9Z5L DBW10A-2-50B/315 6CW220-50N9Z5L DBW10B-1-50B/200 6CG24N9Z5L DBW10B-2-50B/200 6CG24N9Z5L DBW10B-1-50B/315 6CG24N9Z5L DBW10B-2-50B/315 6CG24N9Z5L DBW10B-1-50B/200 6CW220-50N9Z5L DBW10B-2-50B/200 6CW220-50N9Z5L DBW10B-1-50B/315 6CW220-50N9Z5L DBW10B-2-50B/315 6CW220-50N9Z5L DBW20A-1-50B/200 6CG24N9Z5L DBW20A-2-50B/200 6CG24N9Z5L DBW20A-1-50B/315 6CG24N9Z5L DBW20A-2-50B/315 6CG24N9Z5L DBW20A-1-50B/200 6CW220-50N9Z5L DBW20A-2-50B/200 6CW220-50N9Z5L DBW20A-1-50B/315 6CW220-50N9Z5L DBW20A-2-50B/315 6CW220-50N9Z5L DBW20B-1-50B/200 6CG24N9Z5L DBW20B-2-50B/200 6CG24N9Z5L DBW20B-1-50B/315 6CG24N9Z5L DBW20B-2-50B/315 6CG24N9Z5L DBW20B-1-50B/200 6CW220-50N9Z5L DBW20B-2-50B/200 6CW220-50N9Z5L DBW20B-1-50B/315 6CW220-50N9Z5L DBW20B-2-50B/315 6CW220-50N9Z5L DBW30A-1-50B/200 6CG24N9Z5L DBW30A-2-50B/200 6CG24N9Z5L DBW30A-1-50B/315 6CG24N9Z5L DBW30A-2-50B/315 6CG24N9Z5L DBW30A-1-50B/200 6CW220-50N9Z5L DBW30A-2-50B/200 6CW220-50N9Z5L DBW30A-1-50B/315 6CW220-50N9Z5L DBW30A-2-50B/315 6CW220-50N9Z5L DBW30B-1-50B/200 6CG24N9Z5L DBW30B-2-50B/200 6CG24N9Z5L DBW30B-1-50B/315 6CG24N9Z5L DBW30B-2-50B/315 6CG24N9Z5L DBW30B-1-50B/200 6CW220-50N9Z5L DBW30B-2-50B/200 6CW220-50N9Z5L DBW30B-1-50B/315 6CW220-50N9Z5L DBW30B-2-50B/315 6CW220-50N9Z5L
北京華德液壓閥
DBD6 DBD10 Z2DB6 Z2DB10 DBW10 ZDR6D(2通) ZDR10D ZDR6D(3通) ZDR10D Z2S6: Z2S10 標(biāo)準(zhǔn)型4WE6
標(biāo)準(zhǔn)型4WE10 標(biāo)準(zhǔn)型4WEH6
標(biāo)準(zhǔn)型4WEH16
4WRA6E10-10B/24Z4/M 4WRA6E20-10B/24Z4/M 4WRA10E20-10B/24Z4/M 4WRA10E40-10B/24Z4/M 4WRA6W10-10B/24Z4/M 4WRA6W20-10B/24Z4/M 4WRA10W20-10B/24Z4/M 4WRA10W40-10B/24Z4/M 4WRE6E16-10B/24Z4 /M 4WRE6E32-10B/24Z4 /M 4WRE10E32-10B/24Z4 /M 4WRE10E6410B/24Z4 /M 4WRE6W16-10B/24Z4 /M 4WRE6W32-10B/24Z4 /M 4WRE10W3210B/24Z4 /M 4WRE10W64-10B/24Z4 /M 4WRE10E16410B/24Z4 /M 4WRE10W164-10B/24Z4 /M 4WRZ10E8530B/6A24EZ4/M 4WRZ10E185-30B/6A24EZ4/M
4WRZ10W85-30B/6A24EZ4/M
4WRZ10W185-30B/6A24EZ4/M
4WRZ16E150-30B/6A24EZ4/M 4WRZ16E1150-30B/6A24EZ4/M
4WRZ16W150-30B/6A24EZ4/M 4WRZ16W1150-30B/6A24EZ4/M
DBETR-10B/180YM DBETR-10B/315YM DBEM10-30B/200YM
DBEM10-30B/315YM 2FRE10-40B/60L
2FRE16-40B/125L
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