Njengoba isimo sezulu siya siba pholile, cishe ngeke ukhathazeke kakhulu ngokukhuphuka kwamazinga okushisa kawoyela, kodwa iqiniso liwukuthi noma iyiphi i-industrial hydraulic system ehamba ngaphezu kwama-degree angu-140 ishisa kakhulu.Qaphela ukuthi impilo kawoyela ihhafu kuwo wonke amadigri ayi-18 ngaphezu kwamadigri ayi-140.Amasistimu asebenza emazingeni okushisa aphezulu angakha udaka ne-varnish, okungabangela ukuthi ama-valve plugs anamathele.
Amaphampu nama-hydraulic motors adlula uwoyela owengeziwe emazingeni okushisa aphezulu, okubangela ukuthi umshini usebenze ngesivinini esincane.Kwezinye izimo, izinga lokushisa eliphezulu likawoyela liholela ekulahlekelweni kwamandla, okubangela ukuthi i-pump drive motor idonse okwamanje ukuze iqhube uhlelo.Ama-O-rings nawo aqina emazingeni okushisa aphezulu, abangele ukuvuza okwengeziwe ohlelweni.Ngakho-ke, yikuphi ukuhlolwa nokuhlolwa okufanele kwenziwe ekushiseni kwamafutha ngaphezu kwama-degree angu-140?
Lonke uhlelo lwe-hydraulic lukhiqiza inani elithile lokushisa.Cishe u-25% wokufakwa kwamandla kagesi uzosetshenziswa ukunqoba ukulahlekelwa ukushisa ohlelweni.Noma nini lapho uwoyela ubuyiselwa endaweni yokugcina amanzi futhi ungenzi umsebenzi owusizo, ukushisa kuyakhululwa.
Ukubekezelela amaphampu namavalvu ngokuvamile kuphakathi kwezinkulungwane eziyishumi zamayintshi.Lokhu kubekezelela kuvumela amanani amancane kawoyela ukuthi aqhubeke edlula izingxenye zangaphakathi, okwenza amazinga okushisa oketshezi akhuphuke.Njengoba uwoyela ugeleza emigqeni, uhlangabezana nochungechunge lokumelana.Isibonelo, izilawuli zokugeleza, ama-valve alinganayo, nama-servo valves alawula izinga lokugeleza likawoyela ngokukhawulela ukugeleza.Njengoba amafutha edlula ku-valve, "ukwehla kwengcindezi" kwenzeka.Lokhu kusho ukuthi ukucindezela kwe-valve yokungena kuphezulu kunokucindezela kokuphuma.Noma nini lapho uwoyela ugeleza usuka kumfutho ophakeme uye ekucindezelweni okuphansi, ukushisa kuyakhululwa futhi kudonswe uwoyela.
Phakathi nomklamo wokuqala wesistimu, ubukhulu bethangi nesishintshi sokushisa kwaklanywa ukususa ukushisa okukhiqizwayo.I-reservoir ivumela ukushisa okuthile ukuphuma ngezindonga kuye emkhathini.Uma isayizi efanelekile, isishintshi sokushisa kufanele sisuse ibhalansi yokushisa, sivumele isistimu ukuthi isebenze emazingeni okushisa acishe abe ngu-120 degrees Fahrenheit.
Umfanekiso 1. Ukubekezelelana phakathi kwepiston nesilinda sephampu yokuthutha enxeshezelwe ngokucindezela cishe kungama-0.0004.
Uhlobo oluvame kakhulu lwepompo yiphampu yepiston enxeshezelwa ngomfutho.Ukubekezelelana phakathi kwepiston nesilinda cishe kungamayintshi angu-0.0004 (Umfanekiso 1).Inani elincane lamafutha elishiya iphampu linqoba lokhu kubekezelela futhi ligelezela ku-casing yepompo.Amafutha abe esegeleza abuyele ethangini ngomugqa wokudonsa i-crankcase.Umfudlana wokudonsa kuleli cala awenzi noma yimuphi umsebenzi owusizo, ngakho uguqulwa ube ukushisa.
Ukugeleza okuvamile okuvela ku-crankcase drain line kungu-1% kuya ku-3% wevolumu enkulu yepompo.Isibonelo, iphampu engu-30 GPM (gpm) kufanele ibe no-0.3 kuya ku-0.9 GPM wamafutha abuyela ethangini ngomsele we-crankcase.Ukwanda okubukhali kulokhu kugeleza kuzoholela ekwenyukeni okukhulu kwezinga lokushisa lamafutha.
Ukuhlola ukugeleza, umugqa ungaxhunyelelwa emkhunjini owaziwayo wosayizi nesikhathi (Umfanekiso 2).Ungawubambi ulayini phakathi nalokhu kuhlolwa ngaphandle uma uqinisekise ukuthi ukucindezela ku-hose kusondele kumaphawundi angu-0 iyintshi yesikwele (PSI).Kunalokho, yivikele esitsheni.
I-flow meter ingafakwa unomphela ku-crankcase drain line ukuze igade ukugeleza.Lokhu kuhlola okubonakalayo kungenziwa ngezikhathi ezithile ukuze kunqunywe inani le-bypass.Ipompo kufanele ishintshwe lapho ukusetshenziswa kwamafutha kufinyelela ku-10% wevolumu yepompo.
Iphampu yokugudluza eguquguqukayo enengcindezi evamile iboniswa kuMfanekiso 3. Phakathi nokusebenza okuvamile, lapho ingcindezi yesistimu ingaphansi kwesilungiselelo sesinxephezelo (1200 psi), imithombo ibamba i-swashplate yangaphakathi nge-engeli yayo ephezulu.Lokhu kuvumela i-piston ukuthi ingene futhi iphume ngokugcwele, okuvumela iphampu ukuthi ilethe umthamo omkhulu.Ukugeleza endaweni yepompo kuvinjwe i-spool yesinxephezelo.
Ngokushesha nje lapho ukucindezela kukhuphuka ku-1200 psi (umkhiwane 4), i-spool ye-compensator ihamba, iqondisa amafutha ku-cylinder yangaphakathi.Uma isilinda inwetshiwe, i-engeli yewashi isondela endaweni eqondile.Iphampu izohlinzeka ngowoyela omningi njengoba kudingeka ukuze kugcinwe ukulungiselelwa kwentwasahlobo okungu-1200 psi.Ukushisa kuphela okukhiqizwa yiphampu kuleli phuzu uwoyela ogeleza ku-piston kanye nomugqa wokucindezela we-crankcase.
Ukuze unqume ukuthi kungakanani ukushisa okuzokhiqizwa yiphampu uma isinxeshezelwe, sebenzisa ifomula elandelayo: Amandla amahhashi (hp) = GPM x psi x 0.000583.Uma sicabanga ukuthi iphampu iletha u-0.9 gpm futhi ukunwetshwa kusethelwe ku-1200 psi, ukushisa okukhiqiziwe ngu-: HP = 0.9 x 1200 x 0.000583 noma 0.6296.
Inqobo nje uma i-cooler yesistimu ne-reservoir ingadonsa okungenani i-0.6296 hp.ukushisa, izinga lokushisa lamafutha ngeke likhuphuke.Uma izinga lokudlula linyuselwa ku-5 GPM, umthwalo wokushisa ukhuphuka ube namandla amahhashi angu-3.5 (hp = 5 x 1200 x 0.000583 noma 3.5).Uma i-cooler ne-reservoir ingakwazi ukususa okungenani amandla okushisa angu-3.5, izinga lokushisa likawoyela lizokhuphuka.
Ilayisi.2. Hlola ukugeleza kukawoyela ngokuxhuma umugqa wokudonsa i-crankcase esitsheni sosayizi owaziwayo bese ukala ukugeleza.
Amaphampu amaningi anxeshezelwa ngomfutho asebenzisa i-valve yokukhulula ingcindezi njengesipele uma kwenzeka i-spool yesinxephezelo ibambeka endaweni evaliwe.Isethingi yevalvu yokukhulula kufanele ibe ngu-250 PSI ngaphezu kokusetha kwesinxephezelo sokucindezela.Uma i-valve yokukhulula isethwe phezulu kunesethingi yesinxephezelo, akukho uwoyela okufanele ugeleze ku-spool yevalvu yokukhulula.Ngakho-ke, umugqa wethangi oya ku-valve kufanele ube ezingeni lokushisa elizungezile.
Uma isinxephezelo simisiwe endaweni ekhonjiswe kumfanekiso.3, iphampu izohlala iletha ivolumu ephezulu.Uwoyela oweqile ongasetshenzisiwe uhlelo uzobuyela ethangini ngevalvu yokukhulula.Kulokhu, ukushisa okuningi kuzokhishwa.
Ngokuvamile ingcindezi ohlelweni ihlelwa ngokungahleliwe ukuze umshini usebenze kangcono.Uma isilawuli sendawo esineknobhu sisetha ingcindezi yesinxephezelo ngaphezu kwesethingi yevalvu yokukhulula, uwoyela oweqile ubuya ngevalvu yokukhulula eya ethangini, okubangela ukuthi izinga lokushisa likawoyela likhuphuke ngamadigri angu-30 noma angu-40.Uma isinxephezelo singanyakazi noma sibekwe ngaphezu kwesethingi yevalvu yokukhulula, ukushisa okuningi kungenziwa.
Uma sicabanga ukuthi ipompo inomthamo omkhulu we-30 gpm futhi i-valve yokusiza isethwe ku-1450 psi, inani lokushisa elikhiqizwayo linganqunywa.Uma injini kagesi enamandla amahhashi angu-30 (hp = 30 x 1450 x 0.000583 noma 25) isetshenziswe ukushayela uhlelo, amandla amahhashi angu-25 angaguqulelwa ekushiseni ngokungenzi lutho.Njengoba ama-watts angu-746 elingana namandla ehhashi elilodwa, ama-watts angu-18,650 (746 x 25) noma ama-kilowatt angu-18.65 kagesi azomoshwa.
Amanye ama-valve asetshenziswa ohlelweni, njengama-valve okukhipha ibhethri namavalvu okopha, nawo angase angavuleki futhi avumele uwoyela ukuba udlule ithange lomfutho ophezulu.Ulayini wethangi walawa mavalvu kufanele ube kuzinga lokushisa elizungezile.Esinye isizathu esivamile sokukhiqiza ukushisa ukudlula ama-cylinder piston seal.
Ilayisi.3. Lesi sibalo sibonisa iphampu eguquguqukayo enxeshezelwe ngengcindezi ngesikhathi sokusebenza okuvamile.
Ilayisi.4. Naka ukuthi kwenzekani ku-spool yesinxephezelo sepompo, isilinda sangaphakathi, nepuleti lokugeza njengoba ingcindezi inyuka ibe ngu-1200 psi.
Isishintshi sokushisa noma isipholile kufanele sisekelwe ukuze kuqinisekiswe ukuthi ukushisa okudlulele kuyasuswa.Uma kusetshenziswa isishintshi sokushisa esisuka emoyeni siye emoyeni, ama-cooler fins kufanele ahlanzwe ngezikhathi ezithile.I-degreaser ingase idingeke ukuhlanza amaphiko.Iswishi yezinga lokushisa evula ifeni epholile kufanele isethelwe ku-115 degrees Fahrenheit.Uma kusetshenziswa isipholile samanzi, ivalvu yokulawula amanzi kufanele ifakwe epayipini lamanzi ukulawula ukugeleza ngepayipi elipholile ukuya ku-25% wokugeleza kukawoyela.
Ithangi lamanzi kufanele lihlanzwe okungenani kanye ngonyaka.Uma kungenjalo, i-silt nezinye izinto ezingcolile ngeke zimboze kuphela phansi kwe-tank, kodwa nezindonga zayo.Lokhu kuzovumela ithangi ukuthi lisebenze njenge-incubator kunokuba likhiphe ukushisa emkhathini.
Muva nje bengisefekthri futhi izinga lokushisa likawoyela ku-stacker lalingama-degree angama-350.Kwavela ukuthi ingcindezi yayingalingani, i-hydraulic accumulator manual yokusiza i-valve yayivulekile kancane, futhi uwoyela wawuhlinzekwa njalo ngesilawuli sokugeleza, esisebenza nge-hydraulic motor.Iketango lokuthulula eliqhutshwa yinjini lisebenza izikhathi ezi-5 kuye kweziyi-10 kuphela phakathi neshifu yamahora angu-8.
Isinxephezelo sepompo kanye ne-valve yokusiza zisethwe ngendlela efanele, ivalve yezandla ivaliwe, futhi osebenza ngogesi ukhipha amandla i-motor way valve, avale ukugeleza ngesilawuli sokugeleza.Lapho imishini ihlolwa ngemva kwamahora angu-24, izinga lokushisa likawoyela lase lehle laba ngu-132 degrees Fahrenheit.Yiqiniso, uwoyela wehlulekile futhi uhlelo ludinga ukushaywa ukuze kukhishwe udaka kanye ne-varnish.Iyunithi nayo idinga ukugcwaliswa ngamafutha amasha.
Zonke lezi zinkinga zidalwe ngokuzenzakalelayo.Izibambi ze-crank zasendaweni zifake isinxephezelo ngenhla kwevalvu yokukhulula ukuze ivumele ivolumu yepompo ukuthi ibuyele endaweni yokugcina umfutho omkhulu uma kungekho lutho olusebenzayo kumphevi.Kukhona nabantu abangakwazi ukuvala ngokugcwele i-valve ye-manual, okuvumela uwoyela ukuthi ageleze abuyele ethangini lomfutho ophezulu.Ngaphezu kwalokho, isistimu yayihlelwe kahle, okwenza ukuthi iketango lisebenze ngokuqhubekayo lapho lidinga kuphela ukusebenza lapho umthwalo uzosuswa ku-stacker.
Ngokuzayo lapho unenkinga yokushisa kwenye yezinhlelo zakho, bheka uwoyela ogeleza usuka ohlelweni oluphakeme lokucindezela kuya kwephansi.Lapha ungathola izinkinga.
Kusukela ngo-2001, i-DONGXU HYDRAULIC inikeze ukuqeqeshwa kwe-hydraulics, ukubonisana nokuhlola ukwethembeka ezinkampanini ezisembonini.
I-Foshan Nanhai Dongxu Hydraulic Machinery Co., Ltd. inezinkampani ezingaphansi ezintathu: i-Jiangsu Helike Fluid Technology Co., Ltd., i-Guangdong Kaidun Fluid Transmission Co., Ltd., kanye ne-Guangdong Bokade Radiator Material Co., Ltd.
Inkampani ephethe i-Foshan Nanhai Dongxu Hydraulic Machinery Co., Ltd.: I-Ningbo Fenghua No. 3 Hydraulic Parts Factory, njll.
I-Foshan Nanhai Dongxu Hydraulic Machinery Co., Ltd.
&I-Jiangsu Helike Fluid Technology Co., Ltd.
MAIL: Jaemo@fsdxyy.com
IWEBHU: www.dxhydraulics.com
WHATSAPP/SKYPE/TEL/WECHAT: +86 139-2992-3909
ENGEZA: Isakhiwo Sefekthri 5, Indawo 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
Isikhathi sokuthumela: May-26-2023