Gwero lamagetsi la justmechanical lokhala ndi mphamvu zambiri ngakhale kuti ndi laling'ono

Pankhani ya mphamvu ya makina, mpweya wozizira ndi silinda imodzi yokhala ndi 4-stroke Injini ya PetroliNthawi zonse zakhala njira yabwino kwambiri yogwiritsira ntchito mphamvu zamagetsi pazida zazing'ono zamakanika chifukwa cha kugwira ntchito bwino, kusunga mphamvu komanso kuteteza chilengedwe. Monga chinthu chodziwika bwino cha injini yamtunduwu, LB170F yakhala ikukondedwa ndi ogwiritsa ntchito padziko lonse lapansi chifukwa cha magwiridwe ake abwino komanso kugwiritsa ntchito kwake kosiyanasiyana. Nkhaniyi ifufuza mozama zinthu zosiyanasiyana, magawo aukadaulo, mfundo zogwirira ntchito, zochitika zogwiritsira ntchito, komanso chidziwitso chokonza injini ya LB170F, ndikukupatsani kumvetsetsa kwathunthu kwa injini yokongola iyi.

Choyamba, Chidule cha Injini ya LB170F

Injini ya LB170F ndi ya silinda imodziInjini ya petulo yoziziritsidwa ndi mpweya wokakamizidwa ndi ma stroke anayi. Imagwiritsa ntchito ukadaulo wapamwamba komanso malingaliro opanga, kuonetsetsa kuti mphamvu zimatulutsa mphamvu zambiri pamene ikukwaniritsa zolinga zake zogwira ntchito bwino, kusunga mphamvu komanso kuteteza chilengedwe. Zinthu zake zazikulu ndi monga kapangidwe kakang'ono, kulemera kopepuka, phokoso lochepa, kuyambitsa ndi kukonza kosavuta, ndi zina zotero. Ubwino uwu umaipangitsa kukhala yosiyana ndi injini zambiri zazing'ono za petulo ndipo imakhala gwero lamphamvu lokondedwa la makina alimi, zida zam'munda, ndi zina zazing'ono. Jeneretas ndi zida zina.

Chachiwiri, magawo aukadaulo a injini ya LB170F

(1) Magawo Oyambira

Bore × sitiroko: 70mm × 50mm. Kapangidwe ka kukula kumeneku kamathandiza injini kupereka mphamvu zokwanira pamene ikusunga voliyumu yochepa.
Kusamutsidwa: 212ml. Kusuntha pang'ono sikuti kumangotsimikizira mphamvu ya injini komanso kumaganiziranso za kusunga mafuta.
Chiŵerengero cha kupsinjika: 8.2:1. Chiŵerengero chapamwamba cha kupsinjika chimathandiza kukulitsa mphamvu ya kutentha kwa injini, motero kumawonjezera mphamvu ndi kusunga mafuta moyenera.
Dongosolo la kuyatsa: Imagwiritsa ntchito kuyatsa kwa transistor yopanda kukhudza. Njira yoyatsira iyi ili ndi ubwino woyatsa molondola, kudalirika kwambiri komanso kukonza kosavuta, zomwe zingathandize bwino magwiridwe antchito ndi moyo wa injini.
Njira yoyambira: Tochi yotsukira kumbuyo yokokedwa ndi manja/yolumikizidwa. Ogwiritsa ntchito amatha kusankha kuyatsa ndi manja kapena kuyatsa ndi magetsi malinga ndi momwe zinthu zilili, zomwe ndi zosavuta komanso zachangu.
Kuchuluka kwa thanki yamafuta: 3.6L, yomwe imatha kukwaniritsa mafuta a injini kwa nthawi yayitali, imachepetsa kuchuluka kwa mafuta omwe amawonjezeredwa komanso imathandizira kugwira ntchito bwino.
Kuchuluka kwa mafuta a injini: 0.6L. Kuchuluka koyenera kwa mafuta a injini kungathandize kuonetsetsa kuti mkati mwa injini muli mafuta abwino ndikuwonjezera nthawi yogwira ntchito ya injini.
Kalemeredwe kake konse: Pafupifupi makilogalamu 15. Kulemera kwake kochepa kumapangitsa kuti injini ikhale yosavuta kuyiyika ndi kunyamula, yoyenera zida zosiyanasiyana zazing'ono zamakanika.

(2) Magawo Ogwirira Ntchito

Mphamvu yayikulu: Pa liwiro lozungulira la 3600rpm, imatha kutulutsa mphamvu yayikulu ya mahatchi 6.5 (pafupifupi 4.85kW). Mphamvu imeneyi ndi yokwanira kuyendetsa makina ambiri ang'onoang'ono a ulimi, zida za m'munda ndi zida zina, kukwaniritsa zosowa za magetsi za ogwiritsa ntchito pantchito yawo ya tsiku ndi tsiku.
Mphamvu yayikulu: Nthawi zambiri imafika pa torque yayikulu kwambiri pafupifupi 2500rpm, pafupifupi 13.5N·m. Mphamvu yayikulu ya torque imalola injini kupereka mphamvu yamphamvu ngakhale pa liwiro lotsika, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsa ntchito zomwe zimafuna mphamvu yayikulu ya torque, monga mathirakitala ndi Pampu ya Madzis.
Mtengo wogwiritsa ntchito mafuta: ≤374g/kw·h. Kuchuluka kwa mafuta komwe injini imagwiritsa ntchito kumatanthauza kuti injiniyo imatha kugwiritsa ntchito mphamvu zochepa ikagwira ntchito, zomwe zimachepetsa mtengo wogwiritsa ntchito.
Mtengo wogwiritsira ntchito mafuta: ≤6.5g/kw·h. Izi zikusonyeza kuti injini imagwiritsa ntchito mafuta ochepa opaka mafuta nthawi zonse, zomwe zimachepetsa kuchuluka kwa mafuta opaka mafuta kwa ogwiritsa ntchito. Nthawi yomweyo, zimachepetsanso chiopsezo cha kulephera kwa injini chifukwa cha kugwiritsa ntchito mafuta ambiri opaka mafuta.

Chachitatu, mfundo yogwirira ntchito ya injini ya LB170F

Monga injini ya petulo ya ma stroke anayi, LB170F imagwira ntchito mozungulira ma stroke anayi: intake, compression, power, ndi exhaust.

(1) Kuthamanga kwa magazi (Intake stroke)

Poyamba kugwedezeka kwa mpweya, valavu yolowera imatsegulidwa ndipo valavu yotulutsa mpweya imatsekedwa. Crankshaft imazungulira, ndikuyendetsa pisitoni kuti isunthe kuchokera pakati pakufa pamwamba kupita pakati pakufa pansi kudzera pa ndodo yolumikizira. Pa nthawiyi, voliyumu pamwamba pa pisitoni imawonjezeka pang'onopang'ono, ndipo kupanikizika mkati mwa silinda kumachepa pang'onopang'ono, ndikupanga mphamvu yokoka mpweya yomwe imayamwa chisakanizo choyaka mu silinda kudzera mu chitoliro cholowera ndi valavu yolowera. Pisitoni ikafika pakati pakufa pansi, crankshaft imazungulira theka la kuzungulira (180°), valavu yolowera imatsekedwa, ndipo kugwedezeka kwa mpweya kumatha. Panthawi yolowera, kupanikizika kwamkati P kwa silinda ndi voliyumu ya silinda V zimasintha motsatira curve ra. Pamapeto pa kugwedezeka kwa mpweya, kupsinjika kwamkati kwa silinda kumakhala kotsika pang'ono kuposa kupsinjika kwakunja kwamlengalenga.

(2) Kuponderezedwa kwa kupsinjika

Poyamba kugwedezeka kwa compression, ma valve onse olowetsa ndi otulutsa mpweya amakhalabe otsekedwa. Pistoni imasuntha kuchokera pakati pa dead pansi kupita pakati pa dead pamwamba. Voliyumu yamkati ya silinda imachepa, kuthamanga kumawonjezeka, ndipo chisakanizo choyaka chimakanikizidwa. Pistoni ikafika pakati pa dead pamwamba, crankshaft imazungulira theka lachiwiri la kuzungulira (ndiko kuti, kuzungulira konse kwa 360°), ndipo kugwedezeka kwa compression kumatha. Pamapeto pa kugwedezeka kwa compression, kuthamanga kwa mpweya mu chipinda choyaka moto kumafika pa 0.6-1.5MPa ndipo kutentha kumafika pa 600-700K.

(3) Kuthamanga kwa mphamvu

Kuthamanga kwa mphamvu ndi gawo lofunika kwambiri kuti injini ipange mphamvu. Chakumapeto kwa kupsinjika kwa mphamvu, makina oyatsira magetsi amapanga mphamvu yamagetsi yamphamvu kudzera mu pulagi yamagetsi kuti ayatse chisakanizo choyaka mu chipinda choyaka moto (ma valve olowera ndi otulutsa mpweya amakhalabe otsekedwa). Mpweya wosakanikirana umayaka mofulumira, ndipo kutentha ndi kukakamiza kwa mpweya mu silinda kumakwera kwambiri. Pafupi ndi pakati pa pamwamba, kutentha kumatha kufika 2200 mpaka 2800K ndipo kukakamiza kumatha kufika 3 mpaka 6MPa. Mpweya wotentha kwambiri komanso kukakamiza kwakukulu komwe kumapangidwa ndi kuyatsa umakankhira pistoni pansi, ndipo mphamvuyo imatumizidwa ku crankshaft kudzera mu ndodo yolumikizira, motero kuyendetsa zida zamakina.

(4) Kuthamanga kwa utsi

Poyamba mpweya wotuluka, valavu yotulutsa mpweya imatsegulidwa pomwe valavu yolowetsa mpweya imakhala yotsekedwa. Pisitoni imasuntha kuchokera pakati pa dead pansi kupita pakati pa dead pamwamba, kutulutsa mpweya wotulutsa mpweya pambuyo poyatsa kuchokera ku silinda. Pisitoni ikafika pakati pa dead pamwamba, crankshaft imazungulira mu theka lachitatu la kuzungulira (ndiko kuti, kuzungulira kwathunthu kwa 540°), ndipo mpweya wotulutsa mpweya umatha. Pambuyo pake, valavu yolowetsa mpweya imatsegulidwanso ndipo kayendedwe ka ntchito kamayamba.

Chachinayi, zochitika zogwiritsira ntchito injini ya LB170F

(1) Makina a zaulimi

Injini ya LB170F imagwiritsidwa ntchito kwambiri m'makina ang'onoang'ono osiyanasiyana a ulimi, monga mathirakitala oyenda kumbuyo, makina okolola ang'onoang'ono, mapampu amadzi, ndi zina zotero. Mphamvu yake yotulutsa mphamvu komanso kulemera kwake kochepa zimathandiza kuti igwire ntchito mosavuta m'malo osiyanasiyana ovuta a ulimi ndikuwonjezera magwiridwe antchito a ulimi.

(2) Zida za m'munda

Pankhani ya zida za m'munda, injini ya LB170F ndi gwero labwino kwambiri lamagetsi. Mwachitsanzo, makina odulira udzu, odulira maburashi, odulira mpanda ndi zida zina zonse zitha kukhala ndi injini za LB170F. Mphamvu yake yogwira ntchito bwino komanso phokoso lochepa zimatha kukwaniritsa zosowa za alimi pantchito zawo za tsiku ndi tsiku, pomwe zimachepetsa kuipitsidwa kwa phokoso ku chilengedwe.

(3) Majenereta ang'onoang'ono

Injini ya LB170F ingagwiritsidwenso ntchito m'majenereta ang'onoang'ono. Pazochitika monga ntchito zakunja, kupulumutsa anthu mwadzidzidzi, komanso kusunga zinthu zina m'nyumba, majenereta okhala ndi mainjini a LB170F amatha kupereka mphamvu yokhazikika, kukwaniritsa zosowa za magetsi za ogwiritsa ntchito.

Chachisanu, kukonza ndi kusamalira injini ya LB170F

(1) Kuyang'anira tsiku ndi tsiku

Kuyang'anira mafuta ndi injini: Musanayambe injini nthawi iliyonse, yang'anani kuchuluka kwa mafuta mu thanki yamafuta ndi thanki yamafuta a injini kuti muwonetsetse kuti mafuta ndi mafuta a injini ndi okwanira. Mafuta a injini ayenera kusungidwa mkati mwa malo olembedwa pa dipstick, ndipo thanki yamafuta iyenera kutetezedwa ku zinyalala zomwe zingalowe.
Kuyang'anira fyuluta ya mpweya: Yang'anani nthawi zonse ukhondo wa fyuluta ya mpweya kuti fumbi ndi zinyalala zisalowe mu injini ndikusokoneza magwiridwe antchito ake.

(2) Kukonza nthawi zonse

Sinthani mafuta a injini ndi fyuluta: Ndikofunikira kusintha mafuta a injini ndi fyuluta ya mafuta maola 50 aliwonse ogwira ntchito kapena kotala lililonse kuti zitsimikizire kuti mkati mwa injini muli mafuta abwino.
Yang'anani ma spark plugs: Yesani nthawi zonse kusiyana kwa ma electrode ndi carbon deposits a ma spark plugs. Sinthani ma spark plugs ngati pakufunika kuti muwonetsetse kuti makina oyatsira magetsi akugwira ntchito bwino.
Chongani kutseguka kwa valve: Yang'anani nthawi zonse valavu kuti muwonetsetse kuti ili mkati mwa mulingo womwe watchulidwa, zomwe zimatsimikizira kuti injini imatenga bwino komanso imatulutsa bwino.

(3) Malangizo Opewera

Pewani kugwira ntchito kwa nthawi yayitali yokhala ndi katundu wambiri: Ngakhale injini ya LB170F ili ndi mphamvu zambiri, pakagwira ntchito nthawi yayitali, ndikofunikira kupuma mokwanira kuti injini isatenthe kwambiri.
Samalani ndi kuziziritsa kwa injini: Mphamvu yozizira ya injini zoziziritsidwa ndi mpweya imakhudzidwa kwambiri ndi kutentha kwa malo ozungulira komanso kayendedwe ka mpweya. Ikagwiritsidwa ntchito m'malo otentha kwambiri kapena m'malo opanda mpweya wabwino, chisamaliro chapadera chiyenera kuperekedwa pa kutayika kwa kutentha kwa injini.

Chachisanu ndi chimodzi, ubwino wa injini ya LB170F

(1) Kugwiritsa ntchito bwino kwambiri komanso kusunga mphamvu

Injini ya LB170F imagwiritsa ntchito ukadaulo wapamwamba woyaka komanso kapangidwe kabwino ka njira yopumira, zomwe zingathandize bwino kuwotcha mafuta ndikuchepetsa kugwiritsa ntchito mafuta. Kuchuluka kwa mafuta omwe amagwiritsidwa ntchito ndi otsika kufika pa 374g/kw·h. Poyerekeza ndi injini zina zofanana, ili ndi ubwino waukulu wosunga mphamvu.

(2) Kuteteza chilengedwe bwino

Ndi kusintha kosalekeza kwa zofunikira zoteteza chilengedwe, injini ya LB170F yaganizira mokwanira zinthu zoteteza chilengedwe pakupanga. Kapangidwe kake ka chipinda choyaka bwino komanso makina ake otulutsa utsi ogwira ntchito bwino amatha kuchepetsa kutulutsa mpweya woipa ndikukwaniritsa miyezo yokhwima yoteteza chilengedwe.

(3) Kapangidwe kakang'ono komanso kulemera kopepuka

Injini ya LB170F ili ndi kapangidwe kakang'ono ndipo imalemera makilogalamu 15 okha, zomwe zimapangitsa kuti ikhale yosavuta kuyiyika ndikunyamula. Kulemera kwake kopepuka kumaipangitsa kuti ikhale yosavuta kusinthidwa kuti igwirizane ndi zida zosiyanasiyana zazing'ono zamakanika, zomwe zimapangitsa kuti zidazo zikhale zosavuta kunyamula komanso kusinthasintha.

(4) Kudalirika kwambiri

Injini ya LB170F imagwiritsa ntchito makina oyatsira magetsi a transistor opanda kukhudza komanso zinthu zapamwamba kwambiri, zomwe zimakhala zodalirika komanso zolimba. Imakhala nthawi yayitali yopangira komanso mtengo wotsika wokonza, ndipo imatha kupatsa ogwiritsa ntchito mphamvu yokhazikika kwa nthawi yayitali.