專業(yè)分析力士樂REXROTH葉片泵故障排除法 |
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點(diǎn)擊次數(shù)：1909 更新時(shí)間：2013-08-29 |
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力士樂葉片泵故意障原因加以分析
1）REXROTH葉片泵有些用戶水泵啟動(dòng)前未灌滿足夠水；看上去灌水已從放氣孔溢出，但未轉(zhuǎn)動(dòng)泵軸交空氣*排出，致使少許空氣還殘留進(jìn)水管或泵體中。
2）REXROTH葉片泵接觸進(jìn)水管水平段逆水流方向應(yīng)用0.5%以上下降坡度，連接水泵進(jìn)口一端為zui高，不要*水平。向上翹起，進(jìn)水管內(nèi)會(huì)存留空氣，降低了水管和水泵中真空度，影響吸水。
3）REXROTH葉片泵填料因長(zhǎng)期使用已經(jīng)磨損或填料壓過松，造成大量水從填料與泵軸軸套間隙中噴出，其結(jié)果是外部空氣就從這些間隙進(jìn)入水泵內(nèi)部，影響了提水。
4）進(jìn)水管因長(zhǎng)期潛水下，管壁腐蝕出現(xiàn)孔洞，/水泵工作后水面不斷下降，當(dāng)這些孔洞露出水面后，空氣就從孔進(jìn)入了進(jìn)水管。
5）進(jìn)水管彎管處出現(xiàn)裂痕，進(jìn)水管與水泵連接處出現(xiàn)微小間隙，都有可能使空氣進(jìn)入進(jìn)水管。
水泵轉(zhuǎn)速過低
REXROTH葉片泵主要用于由于顆粒太大以至于一般渣漿泵不能輸送的強(qiáng)磨蝕性物料的連續(xù)輸送。適用于挖泥、吸砂礫、疏浚河道、采礦及金屬冶煉爆渣輸送等。
REXROTH葉片泵工作前，先將泵內(nèi)充滿液體，然后啟動(dòng)離心泵，葉輪快速轉(zhuǎn)動(dòng)，葉輪的葉片驅(qū)使液體轉(zhuǎn)動(dòng)，液體轉(zhuǎn)動(dòng)時(shí)依靠慣性向葉輪外緣流去，同時(shí)葉輪從吸入室吸進(jìn)液體，在這一過程中，葉輪中的液體繞流葉片，在繞流運(yùn)動(dòng)中液體作用一升力于葉片，反過來葉片以一個(gè)與此升力大小相等、方向相反的力作用于液體，這個(gè)力對(duì)液體做功，使液體得到能量而流出葉輪，這時(shí)液體的動(dòng)能與壓能均增大。
REXROTH葉片泵依靠旋轉(zhuǎn)葉輪對(duì)液體的作用把原動(dòng)機(jī)的機(jī)械能傳遞給液體。由于離心泵的作用液體從葉輪進(jìn)口流向出口的過程中，/其速度能和壓力能都得到增加，被葉輪排出的液體經(jīng)過壓出室，大部分速度能轉(zhuǎn)換成壓力能，然后沿排出管路輸送出去，這時(shí)，葉輪進(jìn)口處因液體的排出而形成真空或低壓，吸水池中的液體在液面壓力（大氣壓）的作用下，被壓入葉輪的進(jìn)口，于是，旋轉(zhuǎn)著的葉輪就連續(xù)不斷地吸入和排出液體。
REXROTH葉片泵以其結(jié)構(gòu)簡(jiǎn)單、使用維修方便、效率較高而成為農(nóng)業(yè)上應(yīng)用zui廣泛一種水泵，但也因提不上水而令人倍感煩惱?，F(xiàn)就提不上水這一。
REXROTH,BOSCH,VPV25,葉片泵,
0513400206,0513R18C3VPV25SM21FZB03,
0513400207,0513R18C3VPV25SM14FZA02,
0513400208,0513R18C3VPV25SM21FYB03,
0513400209,0513R18C3VPV25SM14FYA02,
0513400210,0513R18C3VPV25SM21HZB03,
0513400211,0513R18C3VPV25SM14HZA02,
0513400212,0513R18C3VPV25SM21HYB03,
0513400213,0513R18C3VPV25SM14HYA02,
0513400214,0513R18D3VPV25SM21HZB03,
0513400222,0513R18C3VPV25SM21JZB03,
0513400224,0513R18C3VPV25SM21JYB03,
0513400225,0513R18C3VPV25SM14JYA02,
/
0513400242,0513R18C3VPV25SM21FZB03P1,
0513400243,0513R18C3VPV25SM14FZA02P1,
0513400244,0513R18C3VPV25SM21FYB03P1,
0513400245,0513R18C3VPV25SM14FYA02P1,
0513400246,0513R18C3VPV25SM21HZB03P1,
0513400247,0513R18C3VPV25SM14HZA02P1,
0513400248,0513R18C3VPV25SM21HYB03P1,
0513400249,0513R18C3VPV25SM14HYA02P1,
0513400256,0513R18D3VPV25SM21FYB03,
0513400260,0513R18C3VPV25SM21XDZB03,
0513400268,0513R18C3VPV25SM21JZB03P1,
0513400270,0513R18C3VPV25SM21JYB03P1,
0513400272,0513R18D3VPV25SM21XEZB03,
0513400280,0513R18D3VPV25SM21ZDZB03,
0513400282,0513R18C3VPV25SM21VASB03,
0513400284,0513R18D3VPV25SM21JZB03,
0513400286,0513R18C3VPV25SM21XASB03
0513400290,0513R18C3VPV25SC10HYB03,
0513400292,0513R18C3VPV25SM21XAZB03,
REXROTH,BOSCH,VPV32葉片泵,
0513500206,0513R18C3VPV32SM21FZB03,
0513500214,0513R18D3VPV32SM21YAYB03,（Eagle）
0513500216,0513R18C3VPV32SM21FYB03,
0513500218,0513R18C3VPV32SM21HZB03,
0513500220,0513R18C3VPV32SM21HYB03,
0513500228,0513R18C3VPV32SM21FZB03P1,
0513500234,0513R18C3VPV32SM21JZB03,
0513500236,0513R18C3VPV32SM21JYB03,
0513500250,0513R18C3VPV32SM21FYB03P1,
0513500252,0513R18C3VPV32SM21HZB03P1,
0513500254,0513R18C3VPV32SM21HYB03P1,
0513500258,0513R18D3VPV32SM21FZB03,
0513500264,0513R18C3VPV32SM21XAZB03,
0513500266,0513R18C3VPV32SM21XAZB03P1,
0513500270,0513R18C3VPV32SM21XHZB03P1,
0513500274,0513R18C3VPV32SM21JYB03P1,
0513500276,0513R18C3VPV32SM21JZB03P1,
0513500278,0513R18C3VPV32SM21XRZB03P1,
0513500279,0513R18C3VPV32SM14XRZA02P1,
0513500280,0513R18C3VPV32SM21XDZB03,
0513500281,0513R18C3VPV32SM14XDZA01,
0513500284,0513R18C3VPV32SM21XHZB03,
0513500286,0513R18D3VPV32SM21XHYB03,
0513500288,0513R18C3VPV32SM21XHSB03P1,
0513500290,0513R18C3VPV32SM21XDSB03P1（Eagle）,
0513500292,0513R18D3VPV32SM21XDYB03,
0513500294,0513R18C3VPV32SM21XDZB03P1,
0513500296,0513R18C3VPV32SM21XAYB03,
0513500298,0513R18C3VPV32SM21ZDZB03,
0513500400,0513R18C3VPV32SM21XHYB03P1,
0513500402,0513R18C3VPV32SM21XHYB03,
0513500404,0513R18C3VPV32SM21YDSB03P1,
0513500406,0513R18D3VPV32SM21YDZB03,
0513500408,0513R18C3VPV32SM21ZDYB03P1,
0513500410,0513R18C3VPV32SM21XDYB03,
0513500412,0513R18D3VPV32SM21FYB03,
0513500414,0513R18C3VPV32SM21ZAZB03,
0513500416,0513R18C3VPV32SM21ZDSB03P1,
0513500418,0513R18D3VPV32SM21ZDYB03,
0513500420,0513R18C3VPV32SM21ZDYB03,
0513500422,0513R18C3VPV32SM21VASB03P1,
0513500424,0513R18C3VPV32SM21XASB03,
0513500428,0513R18C3VPV32SM21TZB03, |
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