Sezvo mamiriro ekunze ari kutonhora, pamwe haungazvinetse zvakanyanya nezvekukwira kwekushisa kwemafuta, asi chokwadi ndechekuti chero maindasitiri ehydraulic system anomhanya pamusoro pe140 madhigirii anopisa zvakanyanya.Ziva kuti hupenyu hwemafuta hunoiswa nehafu kune ese madhigirii gumi nemasere pamusoro pe140 madhigirii.Masisitimu anoshanda pakudziya kwakanyanya anogona kugadzira sludge uye varnish, izvo zvinogona kuita kuti mavharuvhu plugs anamate.
Mapombi nema hydraulic motors anopfuura mamwe mafuta pakupisa kwakanyanya, zvichiita kuti muchina umhanye nekumhanya zvishoma.Mune zvimwe zviitiko, kupisa kwemafuta kwakakwira kunokonzeresa kurasikirwa kwesimba, zvichikonzera kuti pombi yekutyaira mota ikwekwe yazvino kumhanyisa sisitimu.O-mhete inoomesawo pakupisa kwepamusoro, zvichikonzera kudonha kwakawanda muhurongwa.Saka, ndeapi macheki uye bvunzo dzinofanirwa kuitwa pane tembiricha yemafuta inopfuura 140 degrees?
Yese hydraulic system inogadzira imwe huwandu hwekupisa.Inenge 25% yemagetsi ekuisa magetsi ichashandiswa kukunda kurasikirwa kwekupisa muhurongwa.Pose apo oiri inodzoserwa mudura uye ikasashanda basa rinobatsira, kupisa kunobudiswa.
Kushivirira mumapombi nemavharuvhu kazhinji mukati mezviuru gumi zvema inch.Kushivirira uku kunobvumira mafuta madiki kuti arambe achidarika zvinhu zvemukati, zvichiita kuti tembiricha yemvura ikwire.Sezvo oiri inoyerera nemumitsetse, inosangana nenhevedzano yekupikisa.Semuyenzaniso, zvinoyerera zvinodzora, mavharuvhu akaenzana, uye mavharuvhu eservo anodzora kuyerera kwemafuta nekudzora kuyerera.Sezvo oiri inopfuura nepakati pevhavha, "kudonha kwekumanikidza" kunoitika.Izvi zvinoreva kuti iyo valve inlet pressure yakakwirira kudarika yekubuda.Pose apo oiri inoyerera ichibva kudzvinyiriro yakakwira kusvika pakudzikira, kupisa kunoburitswa uye kubatwa nemafuta.
Munguva yekutanga dhizaini yehurongwa, zviyero zvetangi uye kupisa kunopisa zvakagadzirirwa kubvisa kupisa kwakagadzirwa.Dziva rinoita kuti kumwe kupisa kubude nemumadziro kuenda kumhepo.Kana yakanyatsokura, iyo yekupisa kupisa inofanira kubvisa chiyero chekupisa, ichibvumira sisitimu kushanda patembiricha ingangoita 120 degrees Fahrenheit.
Mufananidzo 1. Kushivirira pakati pepiston uye cylinder yekumanikidzwa kwakabhadharwa pombi yekufambisa inosvika 0.0004 mukati.
Mhando yepombi inonyanyozivikanwa ndeyekumanikidzwa kwakabhadharwa piston pombi.Kushivirira pakati pepiston necylinder kunosvika 0.0004 inches (Mufananidzo 1).Mafuta mashoma anosiya pombi anokunda kushivirira uku uye anoyerera achipinda mubhokisi repombi.Mafuta anobva ayerera achidzokera mutangi kuburikidza ne crankcase drain line.Kuyerera kwemvura munyaya iyi hakuiti chero basa rinobatsira, saka rinoshandurwa kuita kupisa.
Kuyerera kwakajairika kubva ku crankcase drain line i1% kusvika 3% yehuwandu hwepombi yepamusoro.Semuenzaniso, 30 GPM (gpm) pombi inofanira kuva ne0.3 kusvika 0.9 GPM yemafuta inodzokera kutangi kuburikidza ne crankcase drain.Kuwedzera kwakanyanya kwekuyerera uku kuchaita kuti kuwedzera kukuru kwekushisa kwemafuta.
Kuti uedze kuyerera, mutsara unogona kubatanidzwa pamudziyo wehukuru hunozivikanwa uye nguva (Mufananidzo 2).Usabate mutsetse panguva yekuyedzwa uku kunze kwekunge waona kuti kudzvanywa mupombi kuri pedyo ne0 pound per square inch (PSI).Pane kudaro, zvichengetedze mumudziyo.
Iyo yekuyerera mita inogona zvakare kuiswa zvachose mu crankcase drain line kuti itarise kuyerera.Kuongorora kwekuona uku kunogona kuitwa nguva nenguva kuona kuwanda kwekupfuura.Iyo pombi inofanira kuchinjwa kana kushandiswa kwemafuta kunosvika 10% yehuwandu hwepombi.
Chimiro chinotsikirirwa chinobhadharwa chinoshanduka chepombi chinoratidzwa muMufananidzo 3. Panguva yekushanda kwemazuva ose, apo hurongwa hwekumanikidza huri pasi pekugadzirisa compensator (1200 psi), zvitubu zvinobata swashplate yemukati pakona kwayo.Izvi zvinobvumira piston kuti ifambe zvizere mukati nekubuda, zvichibvumira pombi kuti ibudise huwandu hwehuwandu.Kuyerera kwepombi kunovharirwa ne spool ye compensator.
Pangosvika kudzvinyirira kunowedzera kusvika ku1200 psi (fig. 4), iyo compensator spool inofamba, inotungamirira mafuta mukati mehumburumbira yemukati.Kana humburumbira ichiwedzerwa, kona yewasher inosvika panzvimbo yakatwasuka.Iyo pombi ichapa mafuta akawanda sezvinodiwa kuchengetedza iyo 1200 psi spring setting.Kupisa chete kunogadzirwa nepombi panguva ino mafuta anoyerera nepiston uye crankcase pressure line.
Kuti uone kupisa kuchaitwa nepombi kana yabhadharwa, shandisa fomula inotevera: Horsepower (hp) = GPM x psi x 0.000583.Tichifunga kuti pombi iri kuendesa 0.9 gpm uye mubatanidzwa wekuwedzera wakaiswa ku1200 psi, kupisa kunogadzirwa ndiko: HP = 0.9 x 1200 x 0.000583 kana 0.6296.
Chero bedzi iyo inotonhorera system uye reservoir inogona kudhirowa ingangoita 0.6296 hp.kupisa, kupisa kwemafuta hakuzokwiri.Kana iyo bypass rate yakawedzera kusvika 5 GPM, kupisa kwemoto kunowedzera kusvika 3.5 horsepower (hp = 5 x 1200 x 0.000583 kana 3.5).Kana iyo inotonhorera uye reservoir isingakwanise kubvisa kanenge 3.5 horsepower yekupisa, tembiricha yemafuta inokwira.
Mupunga.2. Tarisa kuyerera kwemafuta nekubatanidza crankcase drain line kumudziyo wehukuru hunozivikanwa uye kuyera kuyerera.
Mapombi mazhinji anobhadharwa anoshandisa vharafu yekuyamura sevhavha kuitira kana iyo compensator spool inonamira panzvimbo yakavharwa.Iyo yekuyamura valve yekumisikidza inofanira kunge iri 250 PSI pamusoro peiyo pressure compensator setting.Kana vharafu yekuyamura yaiswa yakakwirira kupfuura iyo compensator kugadzika, hapana mafuta anofanira kuyerera kuburikidza nerubatsiro rwevhavha spool.Naizvozvo, mutsetse wetangi kuvharuvhu unofanirwa kunge uri pane ambient tembiricha.
Kana iyo compensator yakagadziriswa munzvimbo inoratidzwa mufig.3, pombi inogara ichiendesa huwandu hwepamusoro.Mafuta akawandisa asina kushandiswa nehurongwa achadzokera kutangi kuburikidza nevhavha yekuyamura.Muchiitiko ichi, kupisa kwakawanda kuchabudiswa.
Kazhinji kudzvanywa muhurongwa kunogadziriswa zvisina tsarukano kuita kuti muchina uite zvirinani.Kana mutongi wepanzvimbo ane knob akaisa compensator pressure pamusoro pegadziriro yevharuvhu yekuyamura, mafuta akawandisa anodzoka kuburikidza nevharuvhu yekuyamura kuenda kutangi, zvichiita kuti tembiricha yemafuta ikwire ne30 kana 40 madhigirii.Kana iyo compensator isingafambi kana kuiswa pamusoro pegadziriro yevhavha yekuyamura, kupisa kwakawanda kunogona kugadzirwa.
Tichifunga kuti pombi ine simba guru re 30 gpm uye valve yekuyamura yakagadzirirwa 1450 psi, huwandu hwekupisa hunogadzirwa hunogona kugadziriswa.Kana 30 horsepower electric motor (hp = 30 x 1450 x 0.000583 kana 25) yakashandiswa kutyaira system, 25 horsepower yaizoshandurwa kuita kupisa pasina basa.Sezvo 746 watts yakaenzana nebhiza rimwe chete, 18,650 watts (746 x 25) kana 18.65 kilowatts emagetsi achaparara.
Mamwe mavharuvhu anoshandiswa muhurongwa, senge mavharuvhu ekudonhedza bhatiri uye mavharuvhu ekubuda ropa, anogonawo kusavhura uye kubvumira mafuta kuti apfuure tangi yekumanikidza.Tangi mutsetse wemavharuvhu aya unofanirwa kunge uri pane ambient tembiricha.Chimwe chikonzero chinowanzokonzera kupisa kupisa ndiko kudarika cylinder piston seals.
Mupunga.3. Ichi chifananidzo chinoratidza kumanikidzwa kwakabhadharwa kusiyanisa pombi yekufambisa panguva yekushanda.
Mupunga.4. Chenjerera kune zvinoitika kune pombi compensator spool, silinda yemukati, uye ndiro yekutsvaira sezvo pressure inowedzera kusvika 1200 psi.
Iyo inopisa yekupisa kana inotonhorera inofanirwa kutsigirwa kuti ive nechokwadi chekuti kupisa kwakanyanya kunobviswa.Kana mhepo-ku-mhepo inopisa inopisa inoshandiswa, iyo inotonhorera fins inofanira kucheneswa nguva nenguva.Degreaser inogona kudiwa kuchenesa zvimbi.Iyo tembiricha switch inobatidza fan inotonhorera inofanirwa kusetwa kune 115 degrees Fahrenheit.Kana mvura inotonhorera yakashandiswa, vharuvhu yekudzora mvura inofanira kuiswa mupombi yemvura kuti idzore kuyerera kwepombi inotonhorera kusvika ku25% yemafuta ekuyerera.
Tangi remvura rinofanira kucheneswa kamwechete pagore.Kana zvisina kudaro, silt nezvimwe zvinosvibisa zvichavhara kwete pasi pegangi chete, asiwo masvingo aro.Izvi zvinobvumira tangi kuti iite se incubator pane kubvisa kupisa kumhepo.
Munguva ichangopfuura ndakanga ndiri kufekitari uye tembiricha yemafuta pane stacker yaive 350 degrees.Zvakazoitika kuti kudzvanywa kwacho kwakange kusina kuenzana, iyo hydraulic accumulator manual relief valve yakavhurika zvishoma, uye oiri yaigara ichipihwa kuburikidza nekuyerera regulator, iyo yakamisa iyo hydraulic mota.Injini-inotyairwa yekuburitsa cheni inoshanda chete 5 kusvika 10 nguva panguva ye8-awa shift.
Iyo pombi compensator uye vharafu yekuyamura inoiswa nenzira kwayo, iyo vheji yemaoko yakavharwa, uye electrician de-energizes the motor way valve, ichivhara kuyerera kuburikidza neinoyerera regulator.Muchina wacho pawakaongororwa maawa 24 gare gare, tembiricha yeoiri yakanga yadzika kusvika pa132 degrees Fahrenheit.Zvechokwadi, mafuta akakundikana uye hurongwa hunoda kunyungudutswa kubvisa sludge uye varnish.Iyo unit inodawo kuzadzwa nemafuta matsva.
Matambudziko ese aya anogadzirwa nemazvo.Local crank handlers vakaisa compensator pamusoro pevharuvhu yekuyamura kuti vhoriyamu yepombi idzokere kune yakakwira yekumanikidza reservoir kana pasina chiri kushanda pavhavha.Kunewo vanhu vasingakwanisi kuvhara zvizere valve yekunyora, ichibvumira mafuta kuti adzoke achidzokera mukati me tank yakakwirira.Mukuwedzera, iyo hurongwa hwakanga husina kurongwa zvakanaka, zvichiita kuti ketani ishande nguva dzose apo yaingoda kushandiswa apo mutoro waifanira kubviswa kubva kune stacker.
Nguva inotevera paunenge uine dambudziko rekupisa mune imwe yehurongwa hwako, tsvaga mafuta ari kuyerera kubva kune yakakwira yekumanikidza system kuenda kune yakaderera.Pano unogona kuwana matambudziko.
Kubva 2001, DONGXU HYDRAULIC yakapa hydraulics kudzidziswa, kubvunza uye kuvimbika ongororo kumakambani ari muindastiri.
Foshan Nanhai Dongxu Hydraulic Machinery Co., Ltd. ine makambani matatu anoti: Jiangsu Helike Fluid Technology Co., Ltd., Guangdong Kaidun Fluid Transmission Co., Ltd., uye Guangdong Bokade Radiator Material Co., Ltd.
Iyo inobata kambani yeFoshan Nanhai Dongxu Hydraulic Machinery Co., Ltd.: Ningbo Fenghua No. 3 Hydraulic Parts Factory, nezvimwewo.
Foshan Nanhai Dongxu Hydraulic Machinery Co., Ltd.
&Jiangsu Helike Fluid Technology Co., Ltd.
MAIL: Jaemo@fsdxyy.com
WEB: www.dxhydraulics.com
WHATSAPP/SKYPE/TEL/WECHAT: +86 139-2992-3909
ADD: Factory Building 5, Area C3, Xinguangyuan Industry Base, Yanjiang South Road, Luocun Street, Nanhai District, Foshan City, Guangdong Province, China 528226
& No. 7 Xingye Road, Zhuxi Industrial Concentration Zone, Zhoutie Town, Yixing City, Jiangsu Province, China
Nguva yekutumira: May-26-2023