Umhlahlandlela Wokukhetha Iphampu Ye-Hydraulic: Uhlu Lokuhlola Lwezinyathelo Eziyi-8 Olunefomula Yokulinganisa

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Ifektri yethu yaseNingbo ikhiqize amaphampu e-vane angaphezu kuka-80,000 ngonyaka, futhi ukukhetha ngakunye kuqala ngamafomula amabili afanayo ithimba lethu lobunjiniyela eliwasebenzisa nsuku zonke.

Esikhungweni sethu sokukhiqiza saseNingbo, siphethe imigqa yokukhiqiza eyisithupha ekhiqiza amaphampu e-vane angaphezu kuka-80,000 ngonyaka. Ithimba lethu lobunjiniyela licubungule izinkulungwane zemininingwane yomthengi, futhi ifomula yosayizi engezansi iyindawo yokuqala kukho konke ukukhetha esikwenzayo. Siyabelana ngakho lapha ukuze abathengi bakwazi ukuziqinisekisa izidingo zabo ngaphambi kokusithumelela i-RFQ.

Amafomula Okulinganisa: Izinga Lokugeleza kanye Nokubalwa Kwamandla

Ithimba lethu lobunjiniyela esikhungweni sethu sokukhiqiza esinemigqa yokukhiqiza eyisithupha liqala njaloumhlahlandlela wokukhetha iphampu ye-hydraulicingxoxo namafomula amabili. Ngenxa yokuthi la mafomula anquma ukufuduka kwephampu, ingcindezi yokusebenza, kanye namandla emoto okuzochaza ukusebenza kwesistimu yakho, ukuwathola kahle esigabeni sokucaciswa kuvimbela amaphutha okunciphisa ubukhulu kanye nokweqisa esiwabona njalo ezicacisweni ezinikezwa umthengi.

Ifomula yokuqala ibala iphampu edingekayoizinga lokugeleza:

Q (L/min) = V (cm³) × N (imivimbo/min) ÷ 1000

Lapho i-Q ingukugeleza okudingekayo ngamalitha ngomzuzu, i-V iyisilinda noma ukufuduka kwenjini ngamasentimitha angama-cubic, kanti i-N iyinani lokushaya ngomzuzu (kwamasilinda) noma ijubane lokujikeleza ku-RPM (kuma-motor e-hydraulic). Kumasistimu anama-actuator amaningi asebenza ngasikhathi sinye, hlanganisa izidingo zokugeleza ngazinye bese wengeza amaphesenti ayi-10 kuya kwangama-20 okulahlekelwa yisistimu — ukuvuza kwangaphakathi kuzo zonke izindawo zokuvula ama-valve, ukugeleza kwe-bypass ngokusebenzisa ama-valve okusiza ukucindezela, kanye nokwanda kokushisa koketshezi olusebenzayo. Idatha yethu yokukhiqiza evela ku-80,000+ yonyaka wethu wokukhipha iphampu ikhombisa ukuthi ukungacacisi ukulahlekelwa yisistimu ngamaphesenti angaphezu kwe-15 kuyimbangela eyinhloko yezikhalazo zokusebenza kwensimu ezingaba ngu-30%.

Ifomula yesibili ibala amandla okushayela adingekayo:

P (kW) = Q (L/min) × p (MPa) ÷ 60

Lapho i-P ingumthombo wamandla wenjini odingekayo kuma-kilowatts, i-Q iyisilinganiso sokugeleza, kanti i-p iyingcindezi yokusebenza kuma-megapascals. Le fomula ithatha ukusebenza kahle kwephampu ngamaphesenti ayi-100 — empeleni, amaphampu ethu e-vane afinyelela ukusebenza kahle kwevolumu kwamaphesenti angama-85 kuya kwangama-94 kuye ngokucindezela kanye nesivinini, ngakho-ke isidingo samandla sangempela i-P sihlukaniswe yisici sokusebenza kahle. Kwiphampu eletha ama-L/min angu-80 ku-14 MPa esebenza kahle ngamaphesenti angama-90: P = 80 × 14 ÷ 60 ÷ 0.90 = 20.7 kW. Ithimba lethu lobunjiniyela linikeza ama-curve okusebenza kahle kuwo wonke amamodeli ephampu, adwetshwe ngokumelene nokucindezela kanye nesivinini, ukuze abathengi bakwazi ukubala isidingo samandla esiqondile sendawo yabo yokusebenza.

Okuhlangenwe nakho kwethu kokukhiqiza emigqeni eyisithupha yomkhiqizo kusinika isithombe esicacile sokuthi yiluphi ubuchwepheshe bephampu olufanelana noluphi uhlelo lokusebenza. Nasi isiqhathaniso sethu.

I-Vane vs Gear vs Piston: Ithebula Lokuqhathanisa

Ubuchwepheshe obuthathu bokuphampa esisebenza nabo —i-vane, igiya, kanye ne-piston — ngayinye inesivikelo sokusebenza lapho ibusa khona. Ngenxa yokuthi indawo yethu yokukhiqiza ikhiqiza amaphampu e-vane kuphela (anemigqa yokukhiqiza engu-6 kanye nomthamo wamayunithi angu-80,000+ ngonyaka), sinobuchwepheshe obujulile ekuqhathaniseni imininingwane yephampu ye-vane nezinhlelo zokusebenza. Nasi ithebula lethu lokuqhathanisa:

I-Vane Pump (ubuchwepheshe bethu):Ibanga lokucindezela lisukela ku-7 kuya ku-21 MPa. Ibanga lokugeleza lisukela ku-5 kuya ku-450 L/min. Izinga lomsindo lisukela ku-62 kuya ku-68 dB(A) ku-1500 RPM.Ukusebenza kahle kwevolumuAmaphesenti angu-85 kuya kwangu-94. Ukubekezelela ukungcola okulinganiselwe (I-ISO 4406ikilasi 18/16/13). Izindleko eziphakathi nendawo. Izicelo ezijwayelekile: ukubumba ngomjovo, imishini yokucindezela, isiteringi sasolwandle, ama-hydraulic ezimboni.

Iphampu Yegiya:Ibanga lokucindezela lisukela ku-3 kuya ku-25 MPa (yangaphandle), 3 kuya ku-10 MPa (yangaphakathi). Ibanga lokugeleza lisukela ku-1 kuya ku-300 L/min. Izinga lomsindo lisukela ku-70 kuya ku-80 dB(A). Ukusebenza kahle kwevolumu ngamaphesenti angu-75 kuya ku-90. Ukubekezelela ukungcola kuphezulu. Izindleko ziphansi. Izinhlelo zokusebenza ezijwayelekile: imishini yeselula, izinhlelo zokugcoba, amasekethe alula.

Iphampu yePiston:Ibanga lokucindezela lingu-21 kuya ku-70 MPa. Ibanga lokugeleza lingu-5 kuya ku-1000 L/min. Izinga lomsindo lingu-75 kuya ku-90 dB(A). Ukusebenza kahle kwevolumu ngamaphesenti angu-90 kuya ku-98. Ukubekezelela ukungcola kuphansi (isigaba se-ISO 4406 16/14/11 noma ngaphezulu). Izindleko ziphezulu. Izinhlelo zokusebenza ezijwayelekile: ukucindezela okuphezulu, ukubumba ngomjovo (okusezingeni eliphezulu), imishini yokuhlola, izindiza.

Isinqumo sokukhetha siqala ngezidingo zokucindezela nokugeleza. Uma uhlelo lwakho lusebenza ngaphansi kwama-21 MPa futhi lungadingi ukusebenza kahle okuphezulu kakhulu,iphampu ye-vaneinikeza ibhalansi engcono kakhulu yomsindo, ukusebenza kahle, izindleko, kanye nokubekezelela ukungcola. Uchungechunge lwethu lwe-PV2R luhlanganisa iningi lezinhlelo zokusebenza zephampu ye-vane yezimboni, ngokulungiswa kwephampu eyodwa nephindwe kabili kanye namakhodi okufuduka kusuka ku-6 kuya ku-237 cm³/rev.

Ithimba lethu lobunjiniyela lisebenzisa lolu hlu lokuhlola olunezinyathelo ezingu-8 kuzo zonke izincazelo zomthengi. Ngenxa yokuthi isinyathelo ngasinye sibamba uhlobo oluhlukile lwephutha, siwasebenzisa wonke ayisishiyagalombili ngaphambi kokucaphuna.

Uhlu Lokuhlola Lokukhetha Iphampu Yezinyathelo Eziyi-8

Ithimba lethu lobunjiniyela lisebenzisa lolu hlu lokuhlola olunezinyathelo ezingu-8 lapho lihlola imininingwane yomthengi. Ngenxa yokuthi isinyathelo ngasinye sibamba isigaba esihlukile sephutha lemininingwane, ukweqa noma yisiphi isinyathelo kwandisa amathuba okwehluleka kwensimu, izimangalo zewaranti, noma ukushintshwa kwephampu ngaphambi kwesikhathi.

Isinyathelo 1: Chaza izinga lokugeleza elidingekayo.Sebenzisa ifomula ethi Q = V × N ÷ 1000 ukuze ubale ukugeleza okungokwethiyori, bese wengeza amaphesenti ayi-10 kuya kwangu-20 okulahlekelwa yisistimu. Uchungechunge lwethu lwe-PV2R luhlanganisa amakhodi okugeleza kusukela ku-6 kuya ku-237 cm³/rev — fanisa ikhodi yokufuduka nokugeleza kwakho okubaliwe ngesivinini semoto okuqondiwe.

Isinyathelo 2: Chaza ingcindezi yokusebenza.Thola ingcindezi yokusebenza eqhubekayo ephezulu kanye nengcindezi ephezulu (ephakathi). Amaphampu ethu e-vane alinganiswa ngokucindezela okuqhubekayo okufika ku-17.5 MPa (uchungechunge lwe-PV2R) noma i-21 MPa (I-ABTuchungechunge), ngokucindezela okuphezulu ngamaphesenti angama-20 kuya kwangama-25 ngaphezu okuqhubekayo. Cacisa amanani womabili ku-oda lakho lokuthenga.

Isinyathelo 3: Khetha uhlobo lwephampu.Sebenzisa ithebula lethu lokuqhathanisa elingenhla. Eziningi zezicelo zezimboni ezisebenza ku-7 kuya ku-21 MPa, ububanzi bethu bephampu ye-vane bunikeza ibhalansi efanele. Ezisetshenzisweni ezingaphezu kuka-21 MPa, cabanga ngamaphampu e-piston. Ezisetshenzisweni ezilula nezingabizi kakhulu ezingaphansi kuka-10 MPa, amaphampu egiya angase abe shibhile kakhulu.

Isinyathelo 4: Hlola ibanga lesivinini.Amaphampu ethu e-vane asebenza kahle kakhulu ku-600 kuya ku-1800 RPM. Ukusebenza ngaphansi kuka-600 RPM kunciphisa ukusebenza kahle kwe-volumetric (amandla anele e-centrifugal ukuvala ama-vane ngokumelene nendandatho ye-cam). Ukusebenza ngaphezu kuka-1800 RPM kusheshisa ukuguguleka kwe-vane tip futhi kwandisa umsindo. Qondanisa isivinini sephampu nesivinini semoto yakho noma sokushayela ngokusebenzisa ukuxhuma okuqondile noma ukunciphisa ibhande/igiya.

Isinyathelo 5: Qinisekisa ukuhambisana koketshezi.Amaphampu ethu e-vane ajwayelekile aklanyelwe uketshezi lwe-hydraulic olusekelwe kumaminerali (ISO VG 32, 46, noma 68). Kuketshezi oluhlanganisiwe, amanzi-glycol, noma uketshezi olubolayo, chaza uhlobo loketshezi ku-oda lakho — sihlinzeka ngezinto zokuvala ezihambisanayo (I-FKMkoketshezi lokwenziwa,I-EPDMizinto ze-water-glycol) kanye ne-vane zemidiya engeyona ejwayelekile.

Isinyathelo 6: Bala amandla okushayela.Sebenzisa i-P = Q × p ÷ 60 ÷ η (lapho i-η iyindlela esebenza kahle ngayo iphampu kusuka kuma-curve ethu ekhathalogi). Khetha injini enamandla angamaphesenti ayi-10 kuya kwangu-15 ngaphezu kwenani elibalwe ukuze uphathe ukugcwala ngokweqile kwesikhashana kanye nezimo zokuqala okubandayo.

Isinyathelo 7: Cacisa ukufakwa kanye nokufakwa kwe-port.Amaphampu ethu atholakala nge-flangeukufakwa(SAE A, B, C, D), ukufakwa kwezinyawo, kanye nokulungiselelwa kwe-through-drive. Ukuxhumeka kwe-port kulandela amazinga e-SAE kanye ne-BSPP. Cacisa uhlobo lokufakwa, isiqondiso sokujikeleziswa kwe-shaft (CW, CCW, noma esibuyiselwayo), kanye nosayizi we-port ku-oda lakho.

Isinyathelo 8: Chaza umjikelezo womsebenzi kanye nendawo.Cacisa amahora okusebenza alindelekile ngosuku, inani lemijikelezo yokusebenza ngehora, ububanzi bokushisa okuzungezile, kanye nanoma yiziphi izici zemvelo (zasolwandle, zangaphandle, zegumbi elihlanzekile, indawo eyingozi). Amaphampu ethu aqinisekiswe yi-CCS/DNV/ABS/BV/LR amboza izinhlelo zokusebenza zasolwandle; amaphampu ethu ajwayelekile ezimboni amboza iningi lezindawo zasefektri.

Idatha yethu yokususa ukushisa ivela ekuhlolweni kwethu kwelebhu kuwo wonke amamodeli epompo. Ngenxa yokuthi izinga lokushisa lithinta yonke isistimu ye-hydraulic, onjiniyela bethu basebenzisa lokhu kulungiswa kuyo yonke imininingwane yomsebenzi oqhubekayo.

Ukwehla Kwengcindezi Nokushisa

Ukusebenza kwepompo ye-hydraulic kuncike ekushiseni ngoba i-viscosity yoketshezi iyehla njengoba izinga lokushisa likhuphuka, okwandisa ukuvuza kwangaphakathi futhi kunciphisa ukusebenza kahle kwe-volumetric. Umkhuba wethu ojwayelekile wokususa i-volumetric: nciphisa ingcindezi eqhubekayo elinganisiwe ngamaphesenti ayi-10 kuwo wonke ama-degree Celsius angu-15 ngaphezu kwezinga lokushisa elibhekiselwe lama-degrees angu-50. Kupompo elinganisiwe ku-17.5 MPa kuma-degrees angu-50, ingcindezi ehlukanisiwe kuma-degrees angu-65 ingu-15.75 MPa, kuma-degrees angu-80 ingu-14 MPa, kanti kuma-degrees angu-95 ingu-12.25 MPa.

Amaphampu ethu e-T6/T7 series vane asebenzisa ukwakheka kwe-bilabian vane okugcina ukusebenza kahle kokuvala ebangeni lokushisa elibanzi kune-single-lip vanes evamile. Ngenxa yokuthi ukwakheka kwe-bilabian kudala amaphuzu amabili okuvala nge-vane ngayinye, ukwehla kwengcindezi endaweni ngayinye yokuvala kuyancishiswa ngesigamu, kunciphisa ukuvuza ngisho nalapho i-viscosity iphansi. Ekuhlolweni kwethu kokushisa okuphezulu (ama-degree angu-80 aqhubekayo, i-14 MPa), uchungechunge lwe-T7B lugcina ukusebenza kahle kwe-volumetric ngaphezu kwamaphesenti angu-88 - amaphuzu angu-3 kuya kwangu-5 aphezulu kunemiklamo ye-single-lip vane ezimweni ezifanayo.

Kubathengi abasebenza ezindaweni ezibandayo (ngaphansi kwama-degree Celsius angu-0), amaphampu ethu e-vane afaka isici sokuqala esiphansi: indandatho yekhamera kanye nokubekezelelana kwe-vane kuklanyelwe ukwamukela i-viscosity ephezulu yoketshezi olubandayo ngaphandle kokubopha, okuvumela ukuqala okuthembekile kuma-degrees angu-20 ngaphansi koketshezi lwe-ISO VG 32. Ithimba lethu lobunjiniyela lihlinzeka ngama-torque e-cold-start curve kuwo wonke amamodeli ephampu, okuvumela abathengi ukuthi balinganise kahle ama-drive motor abo ukuze bavumelane nezimo zasebusika.

Izindlela Ezinhle Zokufaka Amaphampu E-Vane

Ithimba lethu lobunjiniyela libhale phansi amaphutha okufakwa avame kakhulu aholela ekwehlulekeni kwephampu ngaphambi kwesikhathi. Ngenxa yokuthi ikhwalithi yokufaka ithinta ngqo impilo yephampu - ukuxhuma okungaqondile kunganciphisa impilo yokuthwala ngamaphesenti angu-50 - sinikeza iziqondiso zokufaka kukho konke ukuthunyelwa kwephampu.

Ukulungiswa kweshafti.Amaphampu ethu e-vane adinga ukulungiswa kokuxhuma ngaphakathi kwe-runout ebonisiwe engu-0.05 mm (TIR) ​​esibonakalayo sokuxhuma. Ngenxa yokuthi ukungalungi kahle kudala imithwalo yokuthwala ye-radial esheshisa ukuguguleka, sincoma amathuluzi okulungisa nge-laser okufakwayo okungaphezu kwamandla enjini angu-7.5 kW. Kokufakwa okuncane, ukulungiswa kwesibonakaliso sokudayela kuyamukeleka uma kwenziwa ngokucophelela.

Umklamo womugqa wokumunca.Amaphampu ethu adinga ijubane lomugqa wokumunca ngaphansi kwamamitha ayi-1.5 ngomzuzwana kanye nokuphakamisa okumunca ngaphansi kwamamitha ayi-0.5 (kuthandwa ikhanda elihle).ukugoba kwesisu— ukwakheka nokuwa kwamabhamuza omhwamuko emgqeni wokumunca — kubhubhisa amathiphu e-vane kanye nezindawo zendandatho yekhamera zingakapheli amahora, ithimba lethu lokukhiqiza licacisa ububanzi bomugqa wokumunca obuncane obungamaphesenti angama-25 obukhulu kunembobo yokungena kwephampu. Ithimba lethu lobunjiniyela linikeza izibalo zosayizi womugqa wokumunca kuwo wonke amamodeli ephampu.

Ukuhlanzeka koketshezi.Amaphampu ethu e-vane abekezelela ukuhlanzeka koketshezi kwe-ISO 4406 class 18/16/13, kodwa sincoma i-class 16/14/11 ukuze kube nokuphila okuphezulu kwe-vane kanye ne-bearing. Ngenxa yokuthi ukungcola kuyimbangela ehamba phambili yokwehluleka kwesistimu ye-hydraulic emhlabeni wonke, sichaza isihlungi somugqa wokubuya esingu-10-micron njengesijwayelekile kanye nesihlungi somugqa wokucindezela esingu-3-micron sezinhlelo zokusebenza ezingaphezu kwe-14 MPa. Umklamo wekhithi yethu ye-cartridge uvumela ama-vane angcolile ukuthi ashintshwe ngaphandle kokususa iphampu emshinini.

Ukusekelwa Kwangemuva Kwemakethe kanye Nokushintshwa Kwekhithi Yekhatriji

Imodeli yethu yokusekela ngemuva kwemakethe yakhelwe ngokusekelwe eqinisweni lokuthi amaphampu e-vane asebenza ngokuqhubekayo ekugcineni azodinga ukushintshwa kwezingxenye zangaphakathi. Ngenxa yokuthi ukwakheka kwekhithi yethu yekhatriji yokukhiqiza kuhlukanisa izinto ezigugile (ama-vane, indandatho yekhamera, amapuleti aseceleni) endlini yephampu kanye nomgodi, inqubo yokufaka esikhundleni ithatha ngaphansi kwehora eli-1 — uma kuqhathaniswa namahora ama-4 kuya kwayi-6 ukuze kushintshwa iphampu ephelele.

Ama-cartridge kit ethu athunyelwa ehlanganiswe kusengaphambili futhi ahlolwe kusengaphambili evela efektri yethu yaseNingbo, alungele ukufakwa. Ngenxa yokuthi sigcina ama-cartridge kit awo wonke amamodeli ephampu asebenzayo, isikhathi sethu sokulethwa kwama-cartridge singu-3 kuya ku-7 izinsuku zokusebenza zezinto ezisesitokweni kanye nezinsuku ezingu-15 kuya ku-25 zokucushwa ngokwezifiso. Iwaranti yethu yezinyanga ezingu-12 ihlanganisa ama-cartridge kit ngaphansi kwemibandela efanayo nama-complete pumps — amaphutha okukhiqiza ngaphansi kwezimo zokusebenza ezifanele.

Kubathengi abasebenzisa imishini emikhulu ye-hydraulic, sinikeza uhlelo lokulungisa oluvimbelayo: ngokusekelwe emahoreni akho okusebenza kanye nomjikelezo womsebenzi, ithimba lethu lobunjiniyela libala izinga lokuguguleka kwe-vane elilindelekile futhi lincoma isheduli yokushintsha ikhithi ye-cartridge. Ngenxa yokuthi ukushintsha ikhithi ye-cartridge ngaphambi kokwehluleka kubiza ingxenye yesikhathi sokungasebenzi esibangelwa ukwehluleka kwephampu okungalindelekile, uhlelo lwethu lokulungisa lunciphisa izindleko eziphelele zobunikazi ngamaphesenti angama-20 kuya kwangu-30 esikhathini seminyaka emi-5.

Ithimba lethu lobunjiniyela eNingbo liyatholakala ukuxoxa ngezidingo zakho ezithile zesicelo futhi lincome imodeli yephampu ye-vane efanele, ikhodi yokufuduka, kanye nokucushwa kohlelo lwakho lwe-hydraulic. Xhumana nathi nge-imeyili yethu.ikhasi lokusekela ubunjiniyelaukuze uthole umbiko wokukhetha iphampu olungiselelwe wena.