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Mokhoa oa ho sebetsa ka letsoho oa phetiso | Tataiso e Feletseng

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LIEKETSENG

Ka 2021, ke hoo e ka bang karolo ea 1 lekholong feela ea likoloi tse ncha tse rekisoang United States tse ileng tsa tla ka lipedali tse tharo le lithupa, ho tlaleha The New York Times. Meloko eohle ea bakhanni ba Amerika e khonne ho feta ntle le ho ithuta ho khanna lithupa ho hang. Ka nako e ts'oanang ha thekiso ea phetisetso ena ea matsoho e ntse e fokotseha, 'maraka o ile oa tlala ka li-SUV, li-crossover le literaka tse majabajaba. Tsohle li fapane haholo le mekhoa ea ho reka Europe le Asia, moo li-hatchbacks tse nyane li tsamaeang literateng - hoo e ka bang karolo ea 80 lekholong ea makoloi litseleng ke ea matsoho. Empa esita le lik’honthinenteng tseo, mekhoa e ntse e fetoha.

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Phetiso e sa fetoheng e sa fetoheng

Phetiso e Bonolo Haholo
Setšoantšo se ka letsohong le letšehali se bontša kamoo, ha se suthisoa ka har'a gear ea pele, khola e pherese e kenyang lesela le leputsoa ka letsohong le letona la eona. Joalokaha setšoantšo se bontša, shaft e tala e tsoang enjeneng e fetola layshaft, e fetolang gear e putsoa ka ho le letona. Sesebelisoa sena se fetisa matla a sona ka molala ho khanna shaft e mosehla. Ho sa le joalo, gear e putsoa ka letsohong le letšehali e ntse e reteleha, empa e na le freewheeling ka ho jara ha eona kahoo ha e na phello holim'a shaft e mosehla. ha e nke lehlakore. Ka bobeli li-gear tse putsoa li-freewheel ho shaft e mosehla ka litekanyetso tse fapaneng tse laoloang ke likarohano tsa tsona ho layshaft.

Litharollo Bakeng sa Lipotso Tse 'maloa

  • Ha u etsa phoso ha u ntse u sisinyeha 'me u utloa molumo o tšabehang oa ho sila, ho joalo eseng ho utloa molumo oa meno a qhekellang. Joalo ka ha u bona litšoantšong tsena, meno ohle a lisebelisoa a na le marako a felletseng ka linako tsohle. Ho sila ke molumo oa meno a ntja a lekang a sa atlehe ho kenya masoba lehlakoreng la gear e putsoa.
  • Phetiso e bontšitsoeng mona ha e na "synchros" (e tšohloa hamorao sehloohong), kahoo haeba u ne u sebelisa phetiso ena u tla tlameha ho e kopanya habeli. Ho ts'oara habeli ho ne ho tloaelehile likoloing tsa khale 'me ho ntse ho tloaelehile likoloing tse ling tsa morao-rao tsa lebelo. Ka ho ts'oara habeli, u qala ka ho sutumelletsa clutch pedal hang ho tlosa enjene phetisong. Sena se tlosa khatello ho meno a ntja e le hore u ka tsamaisa molala hore o se nke lehlakore. Ebe o lokolla clutch pedal ebe o khutlisetsa enjene ho "lebelo le nepahetseng." Lebelo le nepahetseng ke boleng ba rpm boo enjene e lokelang ho sebetsa ho eona ka gear e latelang. Sepheo ke ho fumana lisebelisoa tse putsoa tsa lisebelisoa tse latelang le molaleng o potolohang ka lebelo le le leng e le hore meno a ntja a ka kopanela. Ebe o sutumelletsa clutch pedal hape ebe o notlela khola ka har'a gear e ncha. Phetoho e 'ngoe le e' ngoe ea lisebelisoa u tlameha ho tobetsa le ho lokolla clutch habeli, ka hona lebitso "habeli-clutching."
  • U ka boela ua bona hore na motsamao o monyane oa mola o ka har'a kotola ea gear o u lumella joang hore u fetole likere. Koto ea ho chencha gear e tsamaisa molamu o kopantsoeng le fereko. Foroko e thellisa molala holim'a shaft e mosehla ho kenya e 'ngoe ea likere tse peli. Karolong e latelang, re tla sheba phetiso ea 'nete.

Phetiso ea 'Nete

Li-transmission tsa lebelo tse 'nè li siiloe ke nako haholo,' me li-transmission tsa lebelo la bohlano le tse tšeletseng li nka sebaka sa tsona e le likhetho tse tloaelehileng. Likoloi tse ling li ka fana ka likere tse ngata le ho feta. Leha ho le joalo, kaofela ha tsona li sebetsa ka tsela e batlang e tšoana, ho sa tsotellehe palo ea likere. Ka hare, ho shebahala tjena: Ho na le lifereko tse tharo tse laoloang ke lithupa tse tharo tse kopantsoeng ke lever shift. Ha u sheba lithupa tsa ho fetoha ho tloha holimo, li shebahala tjena ka lehlakoreng le ka morao, la pele le la bobeli:

  • Hopola hore shift lever e na le sebaka sa ho potoloha bohareng. Ha u sutumelletsa kotola pele ho kenya lisebelisoa tsa pele, u ntse u hula molamu le fereko bakeng sa gear ea pele morao.
  • U ka bona hore ha u ntse u tsamaisa shifter ka ho le letšehali le ka ho le letona u etsa lifereko tse fapaneng (ka hona li-collars tse fapaneng). Ho tsamaisa kotola pele le morao ho tsamaisa molala hore o kenelle e 'ngoe ea likere.

Fetola lisebelisoa
e ts'oaroe ka lesela le lenyenyane la ho se sebetse (lepherese). Ka linako tsohle, li-gear tse boputsoa tse setšoantšong sena se kaholimo li thinyetsa ka lehlakoreng le fapaneng le likere tse ling kaofela tse putsoa. Ka hona, ho ke ke ha khoneha ho lahlela phetiso ka morao ha koloi e ntse e tsoela pele; meno a ntja a ne a ke ke a kopanela. Leha ho le joalo, ba tla etsa lerata le leholo.

Li-synchronizer

Ho fetisoa ka letsoho likoloing tsa sejoale-joale tsa bapalami ho sebelisa li-synchronizer, kapa li-synchros, ho felisa tlhoko ea ho ts'oara habeli. Sepheo sa synchro ke ho lumella molala le lisebelisoa hore li kopane pele meno a ntja a kopana. Sena se lumella molala le likere hore li hokahane ka lebelo pele meno a tlameha ho hokahana, ka tsela ena: Khoune e holim'a lesela le leputsoa e kenella sebakeng se bōpehileng joaloka kholu, 'me khohlano e pakeng tsa kholu le molala e hokahanya molala le molala. lisebelisoa. Karolo e ka ntle ea molala e ntan'o thella e le hore meno a ntja a khone ho kenya lisebelisoa. Moetsi e mong le e mong o sebelisa phetisetso le li-synchros ka mekhoa e fapaneng, empa ona ke mohopolo o akaretsang.

Sepheo sa Phetiso e Ikemetseng

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Ha u qhekella 'me u sheba ka har'a transmission ea othomathike, u fumana likarolo tse ngata tse fapaneng sebakeng se senyenyane haholo. Har'a tse ling, u bona:

  • Sesebelisoa se bohlale sa lipolanete
  • Sehlopha sa lihlopha ho notlela likarolo tsa gearset
  • Sete ea li-clutch tse tharo tsa lipoleiti tse metsi ho notlela likarolo tse ling tsa gearset
  • Sistimi e makatsang ea hydraulic e laolang li-clutches le lihlopha
  • Pompo e kholo ea gear ho tsamaisa mokelikeli oa phetiso ho potoloha

Bohareng ba tlhokomelo ke gearset ea polanete. Hoo e ka bang boholo ba cantaloupe, karolo ena e le 'ngoe e theha likarolo tsohle tse fapaneng tsa lisebelisoa tseo phetiso e ka li hlahisang. Ntho e 'ngoe le e 'ngoe e teng phetisong e teng ho thusa sesebelisoa sa polanete ho etsa ntho ea sona. Karolo ena e makatsang ea gearing e hlahile ho HowStuffWorks pele. U ka e lemoha ho tsoa ho sengoloa sa screwdriver ea motlakase. Phetiso ea othomathike e na le li-gearset tse peli tse felletseng tsa lipolanete tse kopantsoeng hammoho ho ba karolo e le 'ngoe. Bona Kamoo Gear Ratios e Sebetsang Kateng bakeng sa kenyelletso ea lisebelisoa tsa lipolanete.

Likarolo tse 3 tse ka sehloohong tsa li-Gearset tsa Lefatše

Planetary Gearset leha e le efe e na le likarolo tse tharo tse ka sehloohong

  1. Seaparo sa letsatsi
  2. planete gears le planet gears 'mojari
  3. Lisebelisoa tsa reng

E 'ngoe le e' ngoe ea likarolo tsena tse tharo e ka ba tlhahiso, tlhahiso kapa e ka ts'oaroa e eme. Ho khetha hore na ke karolo efe e bapalang karolo efe e khethollang karo-karolelano ea lisebelisoa bakeng sa gearset. Ha re shebeng lisebelisoa tse le 'ngoe tsa lipolanete.

Litekanyetso tsa lipolanete tsa Gearset

E 'ngoe ea lisebelisoa tsa lipolanete tse tsoang phetisong ea rona e na le lisebelisoa tsa selikalikoe tse nang le meno a 72 le sesebelisoa sa letsatsi se nang le meno a 30. Re ka fumana mefuta e mengata e fapaneng ea li-gear ho tsoa ho gearset ena. Hape, ho notlela likarolo tse peli ho tse tharo hammoho ho tla notlela sesebelisoa kaofela ka phokotso ea lisebelisoa tsa 1: 1. Hlokomela hore tekanyo ea pele ea gear e thathamisitsoeng ka holimo ke phokotso - lebelo la tlhahiso le lieha ho feta lebelo la ho kenya. Ea bobeli ke overdrive - lebelo la tlhahiso le potlakile ho feta lebelo la ho kenya. Ea ho qetela ke ho fokotseha hape, empa tataiso ea tlhahiso e khutlisetsoa morao. Ho na le likarolelano tse ling tse 'maloa tse ka fumanoang sethaleng sena sa lipolanete, empa tsena ke tse amanang le phetisetso ea rona ea othomathike. U ka li bona setšoantšong se ka tlase: Kahoo sehlopha sena se le seng sa likere se ka hlahisa likarolo tsena tsohle tse fapaneng tsa gear ntle le ho kenya letsoho kapa ho lahla likere tse ling. Ka tse peli tsa li-gearse tsena ka tatellano, re ka fumana likere tse 'ne tse eang pele le e 'ngoe e khutlisetsang morao litlhoko tsa rona tsa phetisetso. Re tla kopanya lihlopha tse peli tsa likere karolong e latelang.

Compound Planetary Gearset
Phetiso ena ea othomathike e sebelisa sete ea likere, tse bitsoang "compound planetary gearset", tse shebahalang joalo ka sesebelisuoa se le seng sa polanete empa ha e le hantle se itšoara joaloka lisebelisoa tse peli tsa lipolanete li kopantsoe. E na le ring e le 'ngoe eo kamehla e leng tlhahiso ea phetisetso, empa e na le likere tse peli tsa letsatsi le lihlopha tse peli tsa lipolanete.howstufworks-How-Manual-Transmission-Operations-Works-fig- (3)howstufworks-How-Manual-Transmission-Operations-Works-fig- (4)

A re shebeng tse ling tsa likarolo

  • Setšoantšo se ka tlase se bontša lipolanete tse tsamaisang polanete. Hlokomela kamoo polanete e ka letsohong le letona e lutseng ka tlaase ho polanete e ka ho le letšehali.howstufworks-How-Manual-Transmission-Operations-Works-fig- (6)
  • Lefatše le ka ho le letona ha le kenye lisebelisoa tsa selikalikoe - le kopanya polanete e 'ngoe. Ke polanete e ka letsohong le letšehali feela e kenyang lisebelisoa tsa selikalikoe.howstufworks-How-Manual-Transmission-Operations-Works-fig- (7)
  • Ka mor'a moo, u ka bona bokahare ba planete carrier. Li-gear tse khutšoane li sebelisoa feela ke lisebelisoa tse nyane tsa letsatsi. Lipolanete tse telele li sebelisoa ke lisebelisoa tse kholo tsa letsatsi le lipolanete tse nyane.howstufworks-How-Manual-Transmission-Operations-Works-fig- (8)
  • Papali e ka tlase e bontša kamoo likarolo tsohle li hoketsoeng ho phetiso.howstufworks-How-Manual-Transmission-Operations-Works-fig- (9)
Gear ea pele
Ka gear ea pele, lisebelisoa tse nyane tsa letsatsi li khannoa ho ea pele ke turbine ea torque converter. Sepalangoang sa polanete se leka ho bilika ka tsela e fapaneng le oache empa se ts'oaroa se ntse se ts'oaroa ke clutch ea tsela e le 'ngoe (e lumellang ho potoloha ka tsela ea oache) mme selikalikoe se fetola tlhahiso. Gear e nyane e na le meno a 30 'me selikalikoe se na le 72, kahoo karolelano ea lisebelisoa ke:
Karolelano = -R/S = – 72/30 = -2.4:1
Kahoo potoloho e mpe 2.4: 1, ho bolelang hore tataiso ea tlhahiso e tla fapana le tataiso ea ho kenya. Empa tataiso ea tlhahiso e hlile e tšoana le tataiso ea ho kenya - mona ke moo leqheka le nang le lihlopha tse peli tsa lipolanete le kenang. Sehlopha sa pele sa lipolanete se kopanela sete ea bobeli, 'me sete sa bobeli se fetola lesale; motsoako ona o fetola tsela. U ka bona hore sena se ka boela sa etsa hore lisebelisoa tse kholo tsa letsatsi li bilike; empa ka lebaka la hore clutch eo e lokollotsoe, lisebelisoa tsa letsatsi tse kholoanyane li lokolohile hore li ka bilika ka lehlakoreng le leng la turbine (counterclockwise).
Sekhele sa Bobeli
Phetiso ena e etsa ntho e 'ngoe e makhethe e le hore e fumane karo-karolelano e hlokahalang bakeng sa lisebelisoa tsa bobeli. E sebetsa joalo ka li-gearset tse peli tsa polanete tse hokahaneng ka sejari se tloaelehileng sa polanete. Ea pele stagHa e le hantle, mochine oa polanete o sebelisa lisebelisoa tse khōloanyane tsa letsatsi e le lesale. Kahoo ea pele stage e na le letsatsi (sesebelisuoa se senyenyane sa letsatsi), se tsamaisang polanete, le selikalikoe (sesebelisoa se seholo sa letsatsi). Ho kenya letsoho ke lisebelisoa tse nyenyane tsa letsatsi; ring gear (sesebelisoa se seholo sa letsatsi) se ts'oaroa se eme ke sehlopha, 'me se hlahisoang ke se tsamaisang polanete. Bakeng sa sena stage, ka letsatsi e le kenyelletso, sejari sa polanete e le sehlahisoa, 'me lisebelisoa tsa selikalikoe li tsitsitse, foromo ke:
1 + R/S = 1 + 36/30 = 2.2:1
Sesebelisoa sa polanete se fetola makhetlo a 2.2 bakeng sa potoloho e 'ngoe le e' ngoe ea lisebelisoa tse nyane tsa letsatsi. Ho ea bobeli stage, sepalangoang sa polanete se sebetsa e le ho kenya letsoho bakeng sa sete ea bobeli ba lipolanete, lisebelisoa tse kholo tsa letsatsi (tse ts'oaretsoeng li eme) li sebetsa joalo ka letsatsi, 'me selikalikoe se sebetsa joalo ka tlhahiso, kahoo karolelano ea lisebelisoa ke:
1 / (1 + S/R) = 1 / (1 + 36/72) = 0.67:1
Ho fumana phokotso e akaretsang ea lisebelisoa tsa bobeli, re atisa s ea peletage ka ea bobeli, 2.2 x 0.67, ho fumana phokotso ea 1.47:1.
Gear ea Boraro
Liphatlalatso tse ngata tsa othomathiki li na le karo-karolelano ea 1: 1 ka gear ea boraro. U tla hopola ho tsoa karolong e fetileng hore sohle seo re lokelang ho se etsa ho fumana tlhahiso ea 1:1 ke ho notlela hammoho likarolo tse peli ho tse tharo tsa lisebelisoa tsa polanete. Ka tlhophiso ea gearset ena ho bonolo le ho feta - seo re lokelang ho se etsa feela ke ho kenya li-clutches tse notlelang e 'ngoe le e 'ngoe ea likere tsa letsatsi ho turbine. Haeba likere tsa letsatsi ka bobeli li retelehela nqa e le 'ngoe, polanete e ea koaleha hobane e khona ho bilika ka mahlakoreng a fapaneng. Sena se notlela lisebelisoa tsa selikalikoe ho lipolanete mme se etsa hore ntho e 'ngoe le e' ngoe e bilike e le yuniti, e hlahisang karolelano ea 1: 1.

OverdriveBy tlhaloso, overdrive e na le lebelo la tlhahiso e potlakileng ho feta lebelo la ho kenya. Ke ho eketsa lebelo - ho fapana le ho fokotseha. Phetisong ena, ho sebelisana le overdrive ho fihlela lintho tse peli ka nako e le 'ngoe. Haeba u bala kamoo Torque Converters e sebetsang kateng, u ithutile ka li-converter tsa torque tsa ho koala. E le ho ntlafatsa ts'ebetso, likoloi tse ling li na le mochine o koalang mochine oa torque e le hore tlhahiso ea enjene e tsamaee ka ho toba ho tsamaisa. Phetisong ena, ha ho etsoa overdrive, shaft e khomaretsoeng ntlong ea torque converter (e kentsoeng ho flywheel ea enjene) e hokahantsoe ka clutch ho sejari sa polanete. Li-sun gear freewheels tse nyane, 'me lisebelisoa tse kholo tsa letsatsi li tšoaroa ke sehlopha sa overdrive. Ha ho letho le amanang le turbine; ho kenya letsoho feela ho tsoa ho matlo a converter. Ha re khutleleng chate ea rona hape, lekhetlong lena re na le sepalangoang sa polanete bakeng sa ho kenya letsoho, lisebelisoa tsa letsatsi li tsitsitse le lisebelisoa tsa selikalikoe bakeng sa tlhahiso.

Karolelano = 1 / (1 + S/R) = 1 / ( 1 + 36/72) = 0.67:1
Kahoo tlhahiso e bilika hang bakeng sa karolo e 'ngoe le e 'ngoe ho tse peli ho tse tharo ea potoloho ea enjene. Haeba enjene e fetoha ka 2000 rotations ka motsotso (RPM), lebelo la tlhahiso ke 3000 RPM. Sena se lumella likoloi ho khanna ka lebelo la tsela e kholo ha lebelo la enjene le lula le le ntle ebile le tsamaea butle.

Reverse Gear
Reverse e ts'oana haholo le lisebelisoa tsa pele, ntle le hore sebakeng sa hore lisebelisoa tse nyane tsa letsatsi li khannoe ke turbine ea torque converter, lisebelisoa tse kholo tsa letsatsi li khannoa, 'me e nyane e khannoa ka lehlakoreng le leng. Sesebelisoa sa polanete se ts'oaroa ke sehlopha se ka morao ho ntlo. Kahoo, ho ea ka lipalo tsa rona ho tloha leqepheng la ho qetela, re na le: Kahoo karo-karolelano e ka morao e nyenyane ho feta gear ea pele phetisong ena.

Likarolo tsa Gear

Phetiso ena e na le likere tse 'ne tse eang pele le e 'ngoe ea morao. Ha re akaretseng likarohano tsa lisebelisoa, lintho tse kenang le tse hlahisoang: Kamora ho bala likarolo tsena, mohlomong u ntse u ipotsa hore na lintho tse fapaneng tse kentsoeng li hokahanngoa joang le ho khaoloa. Sena se etsoa ke letoto la li-clutches le lihlopha tse ka hare ho phetiso. Karolong e latelang, re tla bona hore na tsena li sebetsa joang.
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Li-Clutches le Li-Band ho Phetiso e Ikemetseng

Karolong ea ho qetela, re buisane ka hore na tekanyo e 'ngoe le e' ngoe ea li-gear e entsoe joang ke phetisetso. Ka mohlala, ha re ne re bua ka ho khanna ho feta tekano, re ile ra re: Phatlalatsong ena, ha koloi e khanna ho feta tekano, lesela le hoketsoeng ntlong ea torque converter (e kenyellelitsoeng lebiling la enjene) le hokeloa ka clutch ho polanete. mojari. Li-freewheels tse nyane tsa letsatsi, le lisebelisoa tse kholo tsa letsatsi li ts'oaroa ke sehlopha sa overdrive. Ha ho letho le amanang le turbine; ho kenya letsoho feela ho tsoa ho matlo a converter.

Ho etsa hore phetiso e fetele pele, lintho tse ngata li tlameha ho hokahanngoa le ho khaoloa ka li-clutch le lihlopha. Sesebelisoa sa polanete se hokahana le ntlo ea converter ea torque ka clutch. Letsatsi le lenyane le hokeloa ho turbine ka clutch e le hore le khone ho hokahana. Sesebelisoa se seholo sa letsatsi se ts'oaroa ntlong ka lebanta e le hore se se ke sa potoloha. Phetoho e 'ngoe le e' ngoe ea lisebelisoa e baka letoto la liketsahalo tse kang tsena, ka li-clutch le lihlopha tse fapaneng tse kopanelang le ho itokolla. Ha re shebeng sehlopha sa 'mino.

Lihlopha

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Phetisong ena ho na le lihlopha tse peli. Lihlopha tse tsamaisang thepa ke, ka ho toba, lihlopha tsa tšepe tse pota-potileng likarolo tsa terene ea lisebelisoa ebe li hokahanya le matlo. Li tsamaisoa ke li-cylinders tsa hydraulic ka har'a nyeoe ea phetiso. Setšoantšong se ka holimo, u ka bona e 'ngoe ea lihlopha tse ka tlung ea phetisetso. Terene ea lisebelisoa e tlosoa. Molamu oa tšepe o kopantsoe le piston, e etsang hore sehlopha se sebetse.

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Ka holimo u ka bona lipiston tse peli tse tsamaisang lihlopha. Khatello ea Hydraulic, e fetisetsoang ka har'a cylinder ka sete ea li-valve, e etsa hore lipiston li sutumelle holim'a mabanta, li notlelle karolo eo ea terene ho ea ntlong. Li-clutches tsa phetiso li batla li rarahane haholoanyane. Phetisong ena ho na le li-clutch tse 'nè. Clutch e 'ngoe le e' ngoe e tsamaisoa ke mokelikeli oa hydraulic o hatelletsoeng o kenang piston ka har'a clutch. Li-Spring li etsa bonnete ba hore clutch e lokolloa ha khatello e fokotsehile. Ka tlase u ka bona piston le moropa oa clutch. Hlokomela tiiso ea rabara holim'a piston - ena ke e 'ngoe ea likarolo tse nkeloang sebaka ha phetisetso ea hau e tsosolosoa.

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Setšoantšo se latelang se bontša likarolo tse fapanyetsanang tsa lisebelisoa tsa clutch friction le lipoleiti tsa tšepe. Thepa ea khohlano e arotsoe ka hare, moo e notlellang ho e 'ngoe ea likere. Letlapa la tšepe le arotsoe ka ntle, moo le koalang matlo a clutch. Lipoleiti tsena tsa clutch li boetse li nkeloa sebaka ha phetiso e tsosolosoa. Khatello ea li-clutches e fepeloa ka litselana tsa li-shafts. Sisteme ea haeteroliki e laola hore na li-clutches le lihlopha li matlafatsoa neng ka nako efe kapa efe.

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Ha U Beha Koloi Phakeng
Ho ka 'na ha bonahala eka ke ntho e bonolo ho notlela phetisetso le ho e thibela ho ohla, empa ha e le hantle ho na le litlhoko tse rarahaneng bakeng sa mochine ona. Ntlha ea pele, u tlameha ho khona ho e tlosa ha koloi e le leralleng (boima ba koloi bo lutse holim'a mochine). Ea bobeli, o tlameha ho khona ho kopanya mochine le haeba lever e sa tsamaisane le gear. Ea boraro, ha motho a se a kopanetse, ho na le ho hong ho lokelang ho thibela leqhubu hore le se ke la hlahella le ho thella. Mechine e etsang tsena tsohle e ntle haholo. A re shebeng tse ling tsa likarolo pele.
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Setšoantšo se latelang se bontša likarolo tse fapanyetsanang tsa lisebelisoa tsa clutch friction le lipoleiti tsa tšepe. Thepa ea khohlano e arotsoe ka hare, moo e notlellang ho e 'ngoe ea likere. Letlapa la tšepe le arotsoe ka ntle, moo le koalang matlo a clutch. Lipoleiti tsena tsa clutch li boetse li nkeloa sebaka ha phetiso e tsosolosoa. Khatello ea li-clutches e fepeloa ka litselana tsa li-shafts. Sisteme ea haeteroliki e laola hore na li-clutches le lihlopha li matlafatsoa neng ka nako efe kapa efe.

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Ha U Beha Koloi Phakeng
Ho ka 'na ha bonahala eka ke ntho e bonolo ho notlela phetisetso le ho e thibela ho ohla, empa ha e le hantle ho na le litlhoko tse rarahaneng bakeng sa mochine ona. Ntlha ea pele, u tlameha ho khona ho e tlosa ha koloi e le leralleng (boima ba koloi bo lutse holim'a mochine). Ea bobeli, o tlameha ho khona ho kopanya mochine le haeba lever e sa tsamaisane le gear. Ea boraro, ha motho a se a kopanetse, ho na le ho hong ho lokelang ho thibela leqhubu hore le se ke la hlahella le ho thella. Mechine e etsang tsena tsohle e ntle haholo. A re shebeng tse ling tsa likarolo pele.

Mochine oa ho paka-brake o kenya meno holim'a sehlahisoa ho tšoara koloi e tsitsitse. Ena ke karolo ea phetisetso e hokelang ho drive shaft - kahoo haeba karolo ena e sa khone ho bilika, koloi ha e khone ho tsamaea. Ka holimo u bona mochini oa ho paka o hlahelletse ka har'a matlo ao likere li leng ho ona. Ela hloko hore e na le mahlakore a tapered. Sena se thusa ho lahla brake ea ho paka ha u emisitsoe leralleng - matla a tsoang boima ba koloi a thusa ho sutumelletsa mochini oa ho paka hore o se tsoe sebakeng ka lebaka la angle ea taper.

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Thupa ena e hokahane le thapo e sebelisoang ke mochini o tsamaisang koloi ea hau.

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Ha lever ea shift e behoa serapeng sa boikhathollo, molamu o sutumelletsa seliba khahlanong le sehlahla se senyenyane sa tapered. Haeba mochini oa paki o hlophisitsoe e le hore o ka oela ho e 'ngoe ea li-notch karolong ea gear ea tlhahiso, bushing e tapered e tla sutumelletsa mochine fatše. Haeba mochine o kenngoa ho e 'ngoe ea libaka tse phahameng tse hlahisoang, joale selemo se tla sutumetsa holim'a sehlahla se tapered, empa sekoti se ke ke sa koaloa ho fihlela koloi e phalla hanyenyane' me meno a lekana hantle. Ke ka lebaka lena ka linako tse ling koloi ea hau e tsamaeang hanyane ka mor'a hore u e behe sebakeng sa boikhathollo 'me u lokolle brake pedal - e tlameha ho bilika hanyenyane hore meno a eme moo mochine oa ho paka o ka oelang teng. Hang ha koloi e se e le serapeng sa boikhathollo e sireletsehile, sehlahla se tšoara lehare e le hore koloi e se ke ea tsoa sebakeng sa boikhathollo haeba e le leralleng.

Li-transmissions tse iketsang: Hydraulics, Lipompo le 'Musisi

Li-hydraulics
Phetiso ea othomathike koloing ea hau e tlameha ho etsa mesebetsi e mengata. U kanna oa se hlokomele hore na e sebetsa ka mekhoa e mengata e fapaneng. Mohlala, mona ke tse ling tsa likarolo tsa transmission ea automatic:
  • Haeba koloi e le ka ho fetelletseng (ka phetiso ea lebelo le mane), phetiso e tla ikhethela gear e ipapisitseng le lebelo la koloi le boemo ba pedal.
  • Haeba u potlakisa ka bonolo, lichifi li tla etsahala ka lebelo le tlase ho feta ha u potlakisa ka ho hlaka ka botlalo.
  • Haeba u theola pedal ea khase, phetisetso e tla theoha ho ea ho gear e latelang e tlase.
  • Haeba u suthisetsa sekhetho sa li-shift ho gear e tlase, phetisetso e tla theoha ntle le haeba koloi e tsamaea ka lebelo le phahameng haholo bakeng sa gear eo. Haeba koloi e tsamaea ka lebelo le leholo, e tla ema ho fihlela koloi e theoha ebe e theoha.
  • Haeba u beha phetiso ka gear ea bobeli, e ke ke ea hlola e theoha kapa ea phahama ka ntle ho motsotsoana, esita le ho tloha setopong se feletseng, ntle le haeba o tsamaisa lever ea shift.

Mohlomong u kile ua bona ntho e tšoanang le ena pele. Ha e le hantle ke boko ba phetiso ea othomathiki, e laolang mesebetsi ena kaofela le tse ling. Litsela u ka bona mokelikeli oa tsela ho ea ho likarolo tsohle tse fapaneng tsa phetiso. Litsela tse entsoeng ka tšepe ke mokhoa o sebetsang oa ho tsamaisa mokelikeli; ntle le tsona, ho ne ho tla hlokahala liphaepe tse ngata ho hokahanya likarolo tse sa tšoaneng tsa phetiso. Ntlha ea pele, re tla tšohla likarolo tsa bohlokoa tsa tsamaiso ea hydraulic; joale re tla bona hore na ba sebetsa hammoho joang.

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Pump Automatic transmissions e na le pompo e makhethe, e bitsoang gear pump. Hangata pompo e fumaneha sekoahelong sa phetiso. E hula mokelikeli ho tloha sump e ka tlase ea phetisetso ebe e e fepa ho tsamaiso ea haeteroliki. E boetse e fepa sesebelisoa sa phetisetso le sesebelisoa sa torque. Lisebelisoa tse ka hare tsa pompo li hokela ho ea ntlong ea converter ea torque, kahoo e bilika ka lebelo le tšoanang le la enjene. Lisebelisoa tsa ka ntle li fetoloa ke lisebelisoa tse ka hare, 'me ha likere li ntse li potoloha, mokelikeli o ntšoa ho tloha sump ka lehlakoreng le leng la crescent ebe o qobelloa ho kena tsamaisong ea hydraulic ka lehlakoreng le leng.

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'Musisi ke valve e bohlale e bolellang phetiso hore na koloi e tsamaea ka lebelo le lekae. E amana le tlhahiso, kahoo ha koloi e tsamaea ka potlako, 'musisi o potoloha ka potlako. Ka hare ho 'musisi ho na le valve e tletseng selemo e bulang ho ea ka lebelo la' musisi - ha 'musisi a ntse a bilika ka potlako, valve e buleha haholoanyane. Mokelikeli o tsoang pompong o feptjoa ho 'musisi ka shaft ea tlhahiso. Ha koloi e tsamaea ka lebelo, valve ea 'musisi e buleha haholoanyane' me e phahamisa khatello ea mokelikeli oo e o lumellang ho feta.
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Phetiso e iketsang

Li-valve le li-modulatorsHo fetoha hantle, phetiso ea othomathike e tlameha ho tseba hore na enjene e sebetsa ka thata hakae. Ho na le litsela tse peli tse fapaneng tseo sena se etsoang ka tsona. Likoloi tse ling li na le khokahanyo e bonolo ea cable e hokahaneng le valve ea throttle phetisong. Ha pedal ea khase e ntse e hatelloa haholoanyane, khatello e eketsehileng e behoa holim'a valve ea throttle. Likoloi tse ling li sebelisa vacuum modulator ho kenya khatello ho valve ea throttle. Modulator e utloa khatello e mengata, e ntseng e eketseha ha enjene e le tlas'a mojaro o moholo.
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The valve manual ke seo lever ea shift e hokelang ho eona. Ho latela hore na ke lisebelisoa life tse khethiloeng, valve ea letsoho e fepa li-circuits tsa hydraulic tse thibelang likere tse itseng. Mohlala, haeba shift lever e le ka gear ea boraro, e fepa potoloho e thibelang overdrive hore e se ke ea kenella. Li-valve tsa Shift li fana ka khatello ea hydraulic ho li-clutches le lihlopha ho kenya lisebelisoa ka 'ngoe. 'Mele oa li-valve oa phetiso o na le li-valve tse' maloa tse fetohang. Sesepa sa ho fetoha se etsa qeto ea hore na se tla tloha neng ho tloha ho se seng ho ea ho se seng. Mohlala, valve ea 1 ho isa ho ea 2 e etsa qeto ea hore na e tla tloha neng ho tloha ho ea pele ho ea ho ea bobeli. Sephahla sa ho fetoha se hatelloa ka mokelikeli o tsoang ho 'musisi ka lehlakoreng le leng, le valve ea throttle ka lehlakoreng le leng. Li fanoa ka mokelikeli ke pompo, 'me li tsamaisa mokelikeli oo ho e 'ngoe ea lipotoloho tse peli ho laola hore na koloi e matha ka lisebelisoa life.

Sephahla sa ho fetoha se tla lieha ho tsamaea haeba koloi e ntse e potlaka ka potlako. Haeba koloi e potlakisa ka bonolo, phetoho e tla etsahala ka lebelo le tlaase. A re buisaneng ka se etsahalang ha koloi e matha butle. Ha lebelo la koloi le ntse le eketseha, khatello e tsoang ho 'musisi e ntse e eketseha. Sena se qobella valve ea ho fetoha ho fihlela potoloho ea gear ea pele e koaloa, 'me potoloho ea bobeli ea gear e buleha. Kaha koloi e ntse e eketseha ka lebelo le khanyang, valve ea throttle ha e sebelise khatello e ngata khahlanong le valve ea ho fetoha. Ha koloi e potlakisa ka potlako, valve ea throttle e sebelisa khatello e eketsehileng khahlanong le valve ea ho fetoha. Sena se bolela hore khatello e tsoang ho 'musisi e lokela ho ba e phahameng ('me ka hona lebelo la koloi le lokela ho ba kapele) pele valve ea shift e fetela hole ho lekana ho kenya lisebelisoa tsa bobeli. Belofo e 'ngoe le e' ngoe ea phetoho e arabela mofuteng o itseng oa khatello; kahoo ha koloi e ntse e tsamaea ka potlako, valve ea 2-to-3 e tla nka sebaka, hobane khatello e tsoang ho 'musisi e phahame hoo e ka hlahisang valve eo.

Phetiso e Laoloang ka Elektronikehowstufworks-How-Manual-Transmission-Operations-Works-fig- (24)Li-transmissions tse laoloang ke elektronike, tse hlahang likoloing tse ling tse ncha, li ntse li sebelisa li-hydraulics ho kenya li-clutches le lihlopha, empa potoloho e 'ngoe le e' ngoe ea hydraulic e laoloa ke solenoid ea motlakase. Sena se nolofatsa lipeipi tsa phetiso le ho lumella merero ea taolo e tsoetseng pele. Karolong ea ho qetela re bone a mang a maano a taolo a sebelisoang ka mochine. Liphatlalatso tse laoloang ke elektronike li na le merero e mengata ea ho laola. Ntle le ho beha leihlo lebelo la koloi le boemo ba throttle, molaoli oa phetisetso a ka lekola lebelo la enjene, haeba pedal ea brake e hatelloa, esita le sistimi e thibelang ho notlela braking. Ho sebelisa tlhaiso-leseling ena le leano le tsoetseng pele la taolo le ipapisitseng le mabaka a sa utloahaleng - mokhoa oa ho laola mananeo a sebelisa mokhoa oa motho oa ho beha mabaka - phetisetso e laoloang ke elektroniki e ka etsa lintho tse kang:

  • Ho theoha ka tsela e iketsang ha u theoha ho theola lebelo ho laola lebelo le ho fokotsa ho senyeha ha mariki
  • Upshift ha o etsa mariki sebakeng se thellang ho fokotsa torque e sebelisoang ke enjene
  • Thibela ho nyoloha ha u kena tseleng e matsoelintsoeke

Ha re bue ka tšobotsi eo ea ho qetela - e thibelang ho phahama ha tsela e matsoelintsoeke. Ha re re u ntse u khanna 'mileng o hloahloa oa thaba. Ha u ntse u khanna ka litsela tse otlolohileng tsa tsela, phetisetso e fetoha gear ea bobeli ho u fa matla a lekaneng a ho potlakisa le ho hloa leralleng. Ha u fihla mothinyeng u fokotsa lebelo, u tlose leoto la hau holim'a pedal ea khase 'me mohlomong u sebelisa brake. Liphatlalatso tse ngata li tla nyolohela ho gear ea boraro, kapa esita le ho feta, ha u tlosa leoto la hau khase.

Ebe ha o potlakisa ho tsoa mothinya, ba tla theoha hape. Empa haeba u ne u khanna koloi e tsamaisoang ka letsoho, mohlomong u ne u tla siea koloi e le ka gear e tšoanang nako eohle. Li-transmission tse ling tse nang le lisebelisoa tse tsoetseng pele tsa ho laola li ka lemoha boemo bona ka mor'a hore u pota-potile li-curve tse 'maloa,' me u "ithute" hore u se ke ua phahama hape. Bakeng sa tlhaiso-leseling e batsi mabapi le li-transmission le lihlooho tse amanang le tsona, sheba lihokelo tse latelang.

FAQs

Phetiso ea matsoho ke eng?

A manual transmission ke mofuta oa gearbox o hlokang hore mokhanni a ikhethele likere a sebelisa shift lever le clutch pedal.

Phetiso ea letsoho e sebetsa joang?

Mokhanni o sebelisa clutch ho tlosa enjene ho tloha phetisong. Sena se ba lumella hore ba ikhethele gear ba sebelisa lever shift. Ha clutch e lokolloa, enjene le phetisetso li kopanya hape, li khanna koloi ka gear e khethiloeng.

Morero oa clutch ke ofe?

Clutch e sebelisetsoa ho khaola enjene ka nakoana ho tloha phetisong, e lumellang hore ho be le liphetoho tse boreleli. Ha o tobetsa clutch pedal, o tlosa khokahano lipakeng tsa enjene le phetiso.

Ke hobane'ng ha ke emisa enjene ha ke lokolla clutch kapele haholo?

Ho emisa ho etsahala ha clutch e lokolloa ka potlako haholo ntle le ho fa enjene matla a lekaneng (throttle). Ketso ena ea tšohanyetso e emisa enjene hobane mojaro o moholo haholo bakeng sa boholo ba matla a fanoang.

Lisebelisoa tse ngata tsa letsoho li na le likere tse kae?

Likoloi tse ngata tsa sejoale-joale li na le likere tse hlano kapa tse tšeletseng tse eang pele le e le 'ngoe e khutlelang morao, leha ho le joalo, mefuteng e meng ho na le libuka tse tsamaeang ka lebelo le mane esita le tse supileng.

Na ho fosahetse ho beha leoto la hau holim'a clutch pedal?

E, ho phomola leoto la hau holim'a clutch pedal (e tsejoang e le ho palama clutch) ho ka baka ho apara ho sa hlokahaleng ho likarolo tsa clutch.

Litšupiso

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