Mitsubishi 4m41 injini
Zamkatimu
Injini yatsopano ya 4m41 idawonekera mu 1999. Mphamvu yamagetsi iyi idayikidwa pa Mitsubishi Pajero 3. Injini ya 3,2-lita yokhala ndi m'mimba mwake ya silinda yowonjezereka imakhala ndi crankshaft yokhala ndi pisitoni yayitali komanso magawo ena osinthidwa.
mafotokozedwe
Injini ya 4m41 imayendetsedwa ndi dizilo. Ili ndi masilinda 4 ndi mavavu amtundu womwewo pa silinda. Chotchingacho chimatetezedwa ndi mutu watsopano wa aluminiyumu. Mafuta amaperekedwa ndi jekeseni mwachindunji.
Mapangidwe a injini ndi muyezo wamitundu iwiri ya camshaft. Ma valve olowera ndi 33mm ndipo ma valve otulutsa ndi 31mm. Kutalika kwa tsinde la valve ndi 6,5 mm. Kuyendetsa nthawi ndi unyolo, koma sizodalirika monga pa 4m40 (imayamba kupanga phokoso pafupi ndi 150th run).
4m41 ndi injini ya turbocharged yokhala ndi chowulutsira cha MHI choyikidwa. Poyerekeza ndi kuloŵedwa m'malo 4m40 okonza anatha kuonjezera mphamvu (inafika 165 HP), makokedwe mu osiyanasiyana (351 NM / 2000 rpm) ndi kusintha ntchito chilengedwe. Chofunika kwambiri chinali kuchepetsa kugwiritsa ntchito mafuta.
Kuyambira 2006, kupanga akweza 4m41 Common Rail anayamba. The turbine, motero, inasinthidwa kukhala IHI yokhala ndi geometry yosinthika. Ma ducts olowera adakonzedwanso, njira yatsopano yodyera yokhala ndi ma swirl phases yakhazikitsidwa ndipo dongosolo la EGR lakonzedwanso. Zonsezi zinachititsa kuonjezera kalasi zachilengedwe, kuwonjezera mphamvu (tsopano 175 HP) ndi makokedwe (382 NM / 2000).
Patapita zaka 4, injini kachiwiri kusinthidwa. Mphamvu ya unit idakwera mpaka malita 200. ndi., makokedwe - mpaka 441 Nm.
Mu 2015, 4m41 idakhala yosagwira ntchito ndipo idasinthidwa ndi 4n15.
Zolemba zamakono
| Kupanga | Chomera cha Kyoto |
| Kupanga kwa injini | 4M4 |
| Zaka zakumasulidwa | 1999 |
| Cylinder chipika zakuthupi | chitsulo choponyedwa |
| mtundu wa injini | dizilo |
| Kukhazikika | motsatana |
| Chiwerengero cha masilindala | 4 |
| Mavavu pa yamphamvu iliyonse | 4 |
| Pisitoni sitiroko, mm | 105 |
| Cylinder awiri, mm | 98.5 |
| Chiyerekezo cha kuponderezana | 16.0; 17.0 |
| Kusamutsidwa kwa injini, masentimita masentimita | 3200 |
| Mphamvu zamagetsi, hp / rpm | 165/4000; 175/3800; 200/3800 |
| Makokedwe, Nm / rpm | 351/2000; 382/2000; 441/2000 |
| Turbocharger | Chithunzi cha MHI TF035HL |
| Kugwiritsa ntchito mafuta, l/100 km (pa Pajero 4) | 11/8.0/9.0 |
| Kugwiritsa ntchito mafuta, gr. / 1000 km | kuti 1000 |
| Mafuta a injini | 5W-30; 10W-30; 10W-40; 15W-40 |
| Kusintha kwamafuta kumachitika, km | 15000 kapena (makamaka 7500) |
| Kutentha kwa injini, deg. | 90 |
| Chida cha injini, makilomita zikwi | 400 + |
| Kukonza, HP kuthekera | 200 + |
| Injini idayikidwa | Mitsubishi Triton, Pajero, Pajero Sport |
Kuwonongeka kwa injini 4m41
Mavuto omwe mwiniwake wa galimoto yokhala ndi 4m41 amakumana nawo.
- Pambuyo pa 150-200 zikwi kuthamanga, unyolo wa nthawi umayamba kupanga phokoso. Ichi ndi chizindikiro chodziwikiratu kwa mwiniwake - ndikofunikira kuchita m'malo mpaka utang'ambika.
- "Amwalira" jekeseni mpope. Pampu yamphamvu kwambiri sizindikira mafuta a dizilo otsika. Chizindikiro cha mpope wosagwira ntchito - injini sichiyamba kapena sichiyamba, mphamvu yake imachepa. Malinga ndi wopanga, pampu yamafuta othamanga kwambiri imatha kutumikira makilomita oposa 300, koma pokhapokha ngati mafuta apamwamba kwambiri komanso ntchito yabwino.
- Lamba wa alternator akulephera. Chifukwa chake, mluzu umayamba, kulowa mkati mwagalimoto. Nthawi zambiri, kukangana kwa lamba kumapulumutsa kwakanthawi, koma kungosintha kokha kumathandiza kuthetsa vutoli.
- Pulley ya crankshaft ikugwa. Pafupifupi makilomita 100 aliwonse m'pofunika kufufuza.
- Kusintha kwa vavu kuyenera kuchitika makilomita 15 aliwonse. Mipata ili motere: polowera - 0,1 mm, ndi potuluka - 0,15 mm. Kuyeretsa valavu ya EGR ndikofunikira kwambiri - sikuzindikira mafuta otsika, imadetsedwa mwachangu. Eni ambiri amachita padziko lonse lapansi - amangopanikizana ndi USR.
- Injector imalephera. Nozzles amatha kugwira ntchito popanda mavuto kwa makilomita oposa 100-150, koma pambuyo pake mavuto amayamba.
- The turbine amadzinenera yekha 250-300 zikwi makilomita.
Chain
Ngakhale kuti chain drive ikuwoneka yodalirika kuposa lamba, imakhalanso ndi gwero lake. Kale pambuyo 3 zaka ntchito galimoto, m`pofunika fufuzani tensioners, dampers ndi sprockets.
Zifukwa zazikulu za kuvala mwachangu kwa unyolo ziyenera kuyang'aniridwa mwa izi:
- m'malo mwanthawi yake mafuta opangira mafuta kapena kugwiritsa ntchito mafuta osakhala achilengedwe;
- mu mphamvu yochepa yopangidwa ndi pampu yamafuta othamanga kwambiri;
- mu njira yolakwika yogwiritsira ntchito;
- pakukonza kosauka bwino, etc.
Nthawi zambiri, tensioner plunger timitengo kapena valavu ya mpira siigwira ntchito. Unyolo umatha chifukwa cha kuphika komanso kupanga ma depositi amafuta.
Kuti mudziwe kuvala kwa unyolo, pamene akufooka, ndizotheka ndi phokoso la yunifolomu ya injini, yomwe imasiyanitsidwa bwino ndi yopanda pake komanso "yozizira". Pa 4m41, kukangana kofooka kwa unyolo kumapangitsa kuti gawolo liwonjezeke pang'onopang'ono - mano ayamba kudumpha pa sprocket.
Komabe, chizindikiro chodziwika bwino cha unyolo wotopa pa 4m41 ndi phokoso lonjenjemera komanso lopanda phokoso - limadziwonetsera kutsogolo kwa gawo lamagetsi. Phokosoli likufanana ndi phokoso la kuyatsa kwa mafuta mu masilinda.
Kutambasulira kolimba kwa unyolo kumasiyanitsidwa kale momveka bwino osati kokha pazantchito, komanso pa liwiro lapamwamba. Kugwira ntchito kwa nthawi yayitali kwa galimoto yokhala ndi galimoto yotereyi kudzatsogolera ku:
- kudumpha unyolo ndi kugwetsa zizindikiro za nthawi;
- kusweka kwa njira yogawa gasi;
- kuwonongeka kwa pistoni;
- kuswa mutu wa silinda;
- mawonekedwe a mipata pamwamba pa masilindala.
Dera lotseguka ndi chifukwa cha chisamaliro chanthawi yake. Izi zikuwopseza kukonzanso injini. Chizindikiro chosinthira mwachangu dera likhoza kukhala kulephera kwa choyambira poyambira injini kapena kumveka kwatsopano kwa chipangizo choyambira chomwe sichinawonetsedwe kale.
Kusintha unyolo ndi 4m41 kuyenera kutanthauza kukonzanso zinthu zingapo zofunika (tebulo lili pansipa likuwonetsa mndandanda).
| Dzina | Chiwerengero cha |
| Nthawi unyolo ME203085 | 1 |
| Nyenyezi pa camshaft yoyamba ME190341 | 1 |
| Sprocket yachiwiri camshaft ME203099 | 1 |
| Twin crankshaft sprocket ME190556 | 1 |
| Hydraulic tensioner ME203100 | 1 |
| Tensioner gasket ME201853 | 1 |
| Tensioner nsapato ME203833 | 1 |
| Khalidwe (kutalika) ME191029 | 1 |
| Chotsitsa chaching'ono pamwamba ME203096 | 1 |
| Chotsitsa chocheperako chocheperako ME203093 | 1 |
| Camshaft key ME200515 | 2 |
| Mafuta a Crankshaft osindikiza ME202850 | 1 |
Zamgululi
Chifukwa chachikulu cha kulephera kwa pampu mkulu-anzanu mafuta pa 4m41 ndi, monga tanena, khalidwe osauka mafuta dizilo. Izi nthawi yomweyo zimabweretsa kusintha kwa kusintha, kuoneka kwa phokoso latsopano ndi kutenthedwa. Plunger amatha kupanikizana. Izi nthawi zambiri zimachitika pa 4m41 chifukwa cha kulowerera kwa madzi mumpata. Plunger imagwira ntchito ngati yopanda mafuta, ndipo kuchokera ku kukangana imakweza pamwamba, imatentha ndi kupanikizana. Kukhalapo kwa chinyezi mumafuta a dizilo kumayambitsa kuwonongeka kwa plunger ndi manja.
Pampu ya jekeseni imathanso kuwonongeka chifukwa cha kuvala kwa banal kwa magawo. Mwachitsanzo, kumangika kumafooketsa kapena kusewera kumawonjezeka mwa okwatirana osunthika. Panthawi imodzimodziyo, malo oyenerera achibale a zinthu amaphwanyidwa, kuuma kwa malo kumasintha, kumene ma carbon deposits amaunjikana pang'onopang'ono.
Chimodzi mwazinthu zodziwika bwino za pampu yamafuta othamanga kwambiri ndikuchepa kwamafuta komanso kuwonjezereka kwa kusagwirizana kwake. Izi zimayamba chifukwa cha kuvala kwa plunger pairs - zinthu zodula kwambiri za mpope. Kuphatikiza apo, ma leashes a plunger, ma valve otulutsa, ma rack clamps, etc.
jekeseni lag ndi mtundu wamba wa kulephera kwapampu yamphamvu. Zimafotokozedwanso ndi kuvala kwa magawo angapo - odzigudubuza olamulira, nyumba za pusher, mayendedwe a mpira, camshaft, etc.
Lamba wa jenereta
Chimodzi mwa zifukwa zazikulu zomwe lamba wa alternator amathyola pa 4m41 ndi kupindika kwa pulley pambuyo pa kukonzanso kwina. Kugwirizana kolakwika kumapangitsa kuti lambayo asazungulira ngakhale arc ndipo amakhudza njira zosiyanasiyana - chifukwa chake, amatha kutha ndikusweka.
Chifukwa china chovala koyambirira ndi pulley yokhotakhota ya crankshaft. Mutha kudziwa kulephera uku ndi chizindikiro choyimba chomwe chimakulolani kuti muwone kugunda.
Pa ndege ya pulley, ma burrs amatha kupanga - akugwedezeka ngati madontho achitsulo. Izi ndizosavomerezeka, kotero pulley yotereyi iyenera kukhala pansi.
Ma bearings omwe alephera amakhalanso chifukwa cha lamba wosweka. Ayenera kuzungulira mosavuta popanda lamba. Apo ayi, ndi kulodza.
Lamba yemwe watsala pang'ono kuthyoka kapena kuthyoka amamvekadi mluzu. Kusintha gawo popanda kuyang'ana mayendedwe sikungagwire ntchito. Choncho, choyamba muyenera kuyesa ntchito yawo, ndiyeno pokhapo m'malo lamba.
Crankshaft pulley
Ngakhale mphamvu ya fakitale, pulley ya crankshaft imagwa pakapita nthawi kuchokera ku ntchito yosayenera kapena pambuyo pa mtunda wautali wagalimoto. Lamulo loyamba lomwe mwiniwake wa galimoto yokhala ndi injini ya 4m41 ayenera kukumbukira si kutembenuza crankshaft ndi pulley!
M'malo mwake, pulley imakhala ndi magawo awiri. Kuchulukitsidwa kwakukulu pa node iyi kungayambitse kuwonongeka kwachangu. Zizindikiro - chiwongolero chamwala, kuwala kowala, kugogoda.
Za injini ndi camshafts awiri
Ma camshafts mu injini amayikidwa pamutu wa silinda. Mapangidwe awa amatchedwa DOHC - pakakhala camshaft imodzi yokha, ndiye SOHC.
Bwanji kuika camshafts awiri? Choyamba, mapangidwe awa amayamba chifukwa cha vuto la kuyendetsa kuchokera ku ma valve angapo - zimakhala zovuta kuchita izi kuchokera ku camshaft imodzi. Kuonjezera apo, ngati katundu yense agwera pamtengo umodzi, ndiye kuti sangathe kupirira ndipo adzaonedwa kuti ndi wodzaza kwambiri.
Choncho, injini ndi camshafts awiri (4m41) ndi odalirika kwambiri, monga moyo wagawo kugawa anawonjezera. Katunduyo amagawidwa mofanana pakati pa ma shafts awiri: imodzi imayendetsa ma valve olowera ndipo ina imayendetsa ma valve otulutsa mpweya.
Kenako, funso limabuka, ndi ma valve angati omwe ayenera kugwiritsidwa ntchito? Chowonadi ndi chakuti ambiri aiwo amatha kukonza kudzazidwa kwa chipindacho ndi kusakaniza kwamafuta-mpweya. Kwenikweni, kunali kotheka kudzaza valavu imodzi, koma idzakhala yaikulu, ndipo kudalirika kwake kudzafunsidwa. Ma valve angapo amagwira ntchito mofulumira, otseguka kwa nthawi yaitali, ndipo kusakaniza kumadzaza silinda.
Ngati kugwiritsidwa ntchito kwa shaft imodzi kumatanthawuza, ndiye kuti zida za rocker kapena rocker zimayikidwa pa injini zamakono. Makinawa amalumikiza camshaft ku ma valve. Komanso njira, koma mapangidwewo amakhala ovuta kwambiri, popeza zambiri zovuta zimawonekera.
