Kungani I-Mini Excavator Ishisa Kakhulu Ngesikhathi Sokusebenza Okuqhubekayo?

Kungani I-Mini Excavator Ishisa Kakhulu Ngesikhathi Sokusebenza Okuqhubekayo?

Kungani umshini wokumba omncane ushisa kakhulu ngesikhathi sokusebenza okuqhubekayo? Lo mbuzo uvame ukuvela ngemva kwamahora amaningana okusebenza ngomsele, ukulinganisa noma ukuvala, lapho izinga lokushisa lokupholisa likhuphuka ngaphezu kwebanga lokusebenza elijwayelekile futhi ukusebenza kwe-hydraulic kuqala ukwehla. Emishinini eminingi yokumba encane engamathani angu-1-2, ukushisa ngokweqile akubangelwa yingxenye eyodwa enephutha. Ngokuvamile kuba umphumela womthwalo wokushisa odlula umthamo wohlelo lokupholisa lomshini ngaphansi kwemijikelezo yomsebenzi oqhubekayo.

Ukusebenza okuqhubekayo kubeka ukucindezeleka okuhlangene enjinini kadizili, empompini ye-hydraulic, enqwabeni yokupholisa kanye nohlelo lokukhipha umoya ngemuva kokwelashwa. Ukuze bathole ukushisa ngokweqile, onjiniyela kumele bahlole ukusebenza kahle komoya, ukujikeleza kwe-coolant, ukukhiqizwa kokushisa kwe-hydraulic kanye nomnikelo wokushisa wesistimu yokukhipha umoya njengohlelo oluhlanganisiwe kunokuba kube yizingxenye ezihlukanisiwe.

Yini Ebhekwa Njengezinga Lokushisa Elijwayelekile Lokusebenza?

Iningi lezinjini zikadizili ezincane zisebenza ngaphakathi kwebanga lokushisa elipholile elingu-80–95°C. Uwoyela we-hydraulic uvame ukuzinza phakathi kuka-45–65°C, kuye ngezimo zendawo. Ngesikhathi sokumba kakhulu noma ukusebenza kwe-breaker, kulindeleke ukwanda kwesikhashana. Ukushisa ngokweqile kwenzeka lapho:

• Izinga lokushisa le-coolant lidlula umkhawulo ongaphezulu womkhiqizi (ngokuvamile lingaphezu kuka-100°C)

• Uwoyela we-hydraulic udlula imikhawulo ye-viscosity ephephile

• Ama-alamu okukhubaza injini noma okuxwayisa ayasebenza

• Kuyabonakala ukulahleka noma ukubila kwesibandisi

Amazinga okushisa aqhubekayo ngale kwale mingcele abonisa ukushabalaliswa kokushisa okwanele uma kuqhathaniswa nomthwalo.

Umthwalo Oqhubekayo Ukhulisa Kanjani Ukucindezeleka Kokushisa?

Ukushisa Kokushisa Kwenjini

Ngaphansi komthwalo wokumba njalo, ukufakwa kukaphethiloli kuyanda ukuze kulondolozwe i-torque. Umfutho wokushisa ophezulu udala ukushisa okwengeziwe okumele kuhlakazwe nge-radiator kanye ne-oyela cooler. Uma ukuhamba komoya kuvinjelwe noma ukuhamba kokupholisa kuphazamiseka, izinga lokushisa liyakhuphuka kancane kancane.

Ukukhiqizwa Kokushisa Kwesistimu Ye-Hydraulic

Amaphampu e-hydraulic aguqula amandla omshini abe ukugeleza kwe-hydraulic. Ukulahlekelwa ukusebenza kahle kuvela njengokushisa. Ngesikhathi sokusebenza okuqhubekayo:

• Umfutho ophezulu wesistimu unyusa izinga lokushisa likawoyela

• Ukudlula kwe-valve yokusiza kudala ukushisa okweqile

• Ukuqhathaniswa kwephampu okungalungile kwandisa umthwalo wenjini

Uma umthamo wokupholisa uwoyela we-hydraulic unganele, izinga lokushisa likawoyela elikhuphukayo liphakamisa umthwalo wokushisa wenjini ngoba izitaki zokupholisa zivame ukwabelwana ngazo.

Ingabe Ukuvaleka Kwe-Radiator Kuyimbangela Evame Kakhulu?

Ezimweni zasensimini, yebo. Uthuli, utshani, izinhlayiya zomhlabathi kanye nemfucumfucu yokwakha kuyaqongelela phakathi kwamaphiko e-radiator kanye nama-core okupholisa. Ama-mini excavator ngokuvamile asebenzisa amamojula okupholisa ahlanganisiwe (i-radiator, i-oil cooler, i-intercooler). Ukugeleza komoya okuvinjelwe ngesendlalelo esisodwa kunciphisa ukusebenza kahle kokupholisa okuphelele.

Izimpawu zifaka:

• Ukwanda kwezinga lokushisa kancane kancane emahoreni amaningana

• Ifeni isebenza ngokuqhubekayo ngesivinini esiphezulu

• Akukho ukuvuza okubonakalayo kwe-coolant

Ukuhlolwa kufanele kufake phakathi ukuhlukaniswa nokuhlanzwa kwezingxenye zokupholisa, hhayi nje kuphela ukufuthwa komoya ongaphezulu.

Ingabe Ukusebenza Kokupholisa Kwabalandeli Kungabangela Ukushisa Okudlulele?

Yebo. Amafeni omshini noma kagesi kumele agcine umoya ugeleza ngokwanele ngesivinini esiphansi sokuhamba. Izinkinga ezivamile zifaka:

• Amabhande e-fan agugile (ezinhlelweni eziqhutshwa yibhande)

• Ama-fan blades alimele

• Amaphutha kagesi kumafeni alawulwa amazinga okushisa

• Ukulungiswa kwesembozo sefeni okungalungile

Ukugeleza komoya okunciphile ngaphansi komthwalo oqhubekayo kuvimbela ukushintshaniswa kokushisa okuzinzile, ikakhulukazi ezindaweni zasemadolobheni ezivalekile ezinomoya omncane wemvelo.

Ingabe Imishini Yokukhipha Ukungcola Inegalelo Ekushiseni Okudlulele?

Imishini yokumba encane yesimanje ehambisana nemithethonqubo yeSigaba V echazwe yiKhomishini yaseYurophu kanye nezindinganiso zokugcina ze-EPA Tier 4 ezilawulwa yi-Environmental Protection Agency zivame ukufaka iDiesel Particulate Filters (DPF) kanye, kwamanye amamodeli, i-Exhaust Gas Recirculation (EGR).

Lezi zinhlelo zethula okunye ukucatshangelwa kokushisa:

• Ukuvuselelwa kwe-DPF kuphakamisa izinga lokushisa lokukhipha ugesi

• I-EGR yandisa umthwalo wokushisa wesistimu yokupholisa

• Umfutho wangemuva wokukhipha uphethiloli ungakhuphula izinga lokushisa lokushisa

Ngesikhathi sokuvuselelwa okusebenzayo kuhlangene nokumba okunzima, isidingo sokwenqatshwa kokushisa sikhula kakhulu.

Ukushisa Okudlulele Kwe-Hydraulic Kuholela Kanjani Ekukhuphukeni Kwezinga Lokushisa Lenjini?

Ama-hydraulic oil cooler avame ukufakwa ngaphakathi kwendlela efanayo yokugeleza komoya njenge-radiator yenjini. Uma izinga lokushisa likawoyela we-hydraulic likhuphuka kakhulu ngenxa yokucindezela okuphezulu noma ukunamathisela okuqhubekayo okusizayo sebenzisa:

• Isiqandisi sikawoyela sidlulisela ukushisa okwengeziwe ekugelezeni komoya opholile

• Ukusebenza kahle kwerediyetha kwehla

• Izinga lokushisa le-coolant liyakhuphuka kamuva

Ukusebenza kwe-breaker kuyisimo esivamile lapho ukukhiqizwa kokushisa kwe-hydraulic kudlula imingcele yomklamo wokupholisa.

Ingabe Izinkinga Zokujikeleza Kwegazi Ezipholisayo Zingaba Yimbangela?

Yebo. Ngisho noma ukuhamba komoya kwanele, ukujikeleza okulinganiselwe kwesibandisi kunciphisa ukusebenza kahle kokudlulisa ukushisa. Izimbangela ezingaba khona zifaka:

• I-radiator core evalekile kancane

• I-impeller yephampu yamanzi egugile noma eyonakele

• Ukungasebenzi kahle kwe-thermostat (ivaleleke kancane)

• Umoya uvaleleke ngaphakathi kwesistimu yokupholisa

Ukusebenza okuqhubekayo kwandisa lezi zinkinga ngoba ukwenyuka kwezinga lokushisa kuyanqwabelana ngokuhamba kwesikhathi.

Iyiphi Indima Edlalwa Yizinga Lokushisa Eliphakathi?

Izinga lokushisa eliphezulu elizungezile linciphisa i-gradient yokushisa phakathi kwe-coolant nomoya ozungezile. Ukusebenza kahle kokushabalalisa ukushisa kwehla njengoba izinga lokushisa langaphandle likhuphuka. Ezimweni ezishisayo:

• Umkhawulo womthamo wokupholisa uyancipha

• Ukuchachamba kwamafutha e-hydraulic kwehla ngokushesha okukhulu

• Ingozi yokubaleka kokushisa iyanda ngesikhathi sokumba okuqhubekayo

Imishini esebenza ezindaweni ezivalekile zokubhidliza noma ngaphansi kwelanga eliqondile isengozini enkulu.

Ingabe Ukushisa Okudlulele Kwenjini Kungaxhunyaniswa Nokufaniswa Kwephampu Ye-Hydraulic Okungafanele?

Yebo. Uma izidingo zokuhambisa ipompo ye-hydraulic zidlula i-torque etholakalayo, injini isebenza ngomthwalo ophakeme njalo. Lokhu kwandisa izinga lokujova uphethiloli kanye nokushisa komlilo. Ngokuhamba kwesikhathi, amandla okupholisa angase anganele ukuzinzisa uhlelo.

Izimpawu zifaka:

• Injini isebenza ngaphansi komthwalo wokumba oqhubekayo

• Ukwehla kwe-rpm okuphawulekayo ngaphambi kwe-alamu yokushisa

• Uhlelo lwe-hydraulic olusebenza eduze kwemingcele yokukhululeka kwengcindezi

Ukulinganiswa kwephampu okulungile uma kuqhathaniswa nejika le-torque yenjini kubalulekile ukuze kuqiniswe ukushisa.

Indlela Yokuxilonga Yokushisa Okudlulele Okuqhubekayo

Ukuhlolwa kobunjiniyela okuhlelekile kufanele kufake:

1. Kala ukwenyuka kwezinga lokushisa le-coolant ngokuhamba kwesikhathi ngaphansi komthwalo olawulwayo.

2. Hlola ukuhlanzeka kwe-cooling stack kanye nobuqotho bokuhamba komoya.

3. Hlola izinga lokushisa likawoyela we-hydraulic ngesikhathi sokufunwa okuphezulu.

4. Qinisekisa izinga lokushisa lokuvula i-thermostat.

5. Hlola umsebenzi wephampu yamanzi kanye nokujikeleza kwe-coolant.

6. Buyekeza idatha ye-ECU ukuze uthole imijikelezo yokuvuselelwa noma umlando wokwehliswa.

Ukufakwa esikhundleni kwezingxenye ezihlukanisiwe ngaphandle kokuhlaziywa kwezinga lesistimu kuvame ukwehluleka ukuxazulula ukushisa ngokweqile okuphindaphindiwe.

Izinyathelo Zokuvimbela Ukunciphisa Ingozi Yokushisa Okudlulele

• Hlanza amamojula okupholisa njalo ezindaweni ezinothuli.

• Gwema ukuhlala isikhathi eside ungenzi lutho kulandelwe umthwalo osindayo ngokuzumayo.

• Vumela ukuqedwa okufanele kokuvuselelwa kwe-DPF.

• Gada ingcindezi ye-hydraulic ukuze uvimbele ukusebenza okuqhubekayo kwe-valve yokusiza.

• Gcina ukuhlushwa okulungile kwe-coolant futhi ususe umoya ovalelekile.

Ukusebenza okuqhubekayo kwembula imikhawulo yokushisa yemishini yokumba ehlanganisiwe. Ukushisa ngokweqile ngokuvamile kungumphumela wokungasebenzi kahle okuqongelelwe ekugelezeni komoya, ukujikeleza kwe-coolant, ukukhiqizwa kokushisa kwe-hydraulic kanye nomthwalo wokushisa ohlobene nokukhishwa komoya. Ukuxilongwa okuphumelelayo kudinga ukuhlaziya lonke uhlelo lokushisa kunokugxila kuphela ku-radiator noma ku-thermostat.

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