Niva gearbox: ntaus ntawv, teeb tsa thiab tshem tawm
Niva gearbox: ntaus ntawv, teeb tsa thiab tshem tawm
Anonim

Niva lub gearbox yog lub tshuab ua haujlwm nrog kev tswj xyuas, uas yog nruab nrog tsib qhov kev sib tw rau pem hauv ntej thiab ib lub nraub qaum. Txhua txoj haujlwm yog synchronized nrog ib leeg, tus qauv yog koom ua ke nrog VAZ-2107 version. Xav txog cov yam ntxwv ntawm qhov thaiv no, nrog rau yuav ua li cas tshem tawm thiab nruab nws.

Transmission device "Niva"
Transmission device "Niva"

Lub cev ntu

Lub Niva gearbox vaj tsev muaj xws li cov hauv qab no:

  • clutch vaj tse;
  • similar gearbox compartment;
  • Nkauj kho siab;
  • kho mechanisms.

Cov khoom tau teev tseg yog cam khwb cia los ntawm aluminium alloy, cov pob qij txha raug kaw nrog cardboard gaskets thiab kho nrog airtight compound. Ntxiv lub cev fins txhim kho cua sov dissipation. Qhov qis ntawm lub crankcase yog tiv thaiv los ntawm stamped steel flap, lub ntsiab fastening yog nqa tawm los ntawm txoj kev bolts rau lub tog raj kheej thaiv. Kev sib tw ntawm cov crankshaft axes nrog cov thawj counterpart guarantees centering nrog ib tug khub ntawm bushings,muab tso rau hauv qhov tshwj xeeb hauv qhov thaiv thiab crankcase. Sab nraub qaum yog ntxiv nrog rau peb lub cev muaj zog txhawb nqa, uas yog kho rau tus neeg sib tw thiab hauv pem teb ntawm lub cev los ntawm kev vuam seams.

Carter

Niva lub iav iav vaj tse nyob rau sab laug yog nruab nrog lub caj dab muab tub lim, muaj qhov tso dej analogue hauv qab. Lub qhov yog thaiv nrog taper-type threaded plugs. Lub qhov dej ntws tawm yog nruab nrog cov hlau nplaum uas ntxiab cov khoom hlau uas nkag mus rau cov roj vim hnav ntawm qhov chaw.

Ib lub tshuab nqus pa yog ntsia rau sab saum toj ntawm lub crankcase, tiv thaiv kev ua kom siab hauv lub gearbox thaum cua sov ntau dhau. Yog tias cov khoom no puas lawm, cov dej ntws tawm ntawm cov roj nplua nyeem tuaj yeem tshwm sim. Nyob rau hauv rooj plaub no, cov khoom qhuav tawm, uas ua rau kom hnav ntawm cov khoom.

Clutch tso tawm tsav ntawm Niva checkpoint
Clutch tso tawm tsav ntawm Niva checkpoint

1. retraction caij nplooj ntoos hlav; 2. locknut; 3. kho lub ntsiab; 4. cotter pin; 5. diav rawg; 6. tus thawb; 7. kho ntsia liaj qhov rooj; 8. ua haujlwm lub tog raj kheej.

Ntxhais qhov chaw

Muaj peb shafts hauv Niva gearbox:

  1. Cov menyuam thawj yog txhawb nqa los ntawm ib khub ntawm cov kabmob uas nyob rau ntawm qhov kawg ntawm lub crankshaft thiab nyob rau pem hauv ntej ntawm lub gearbox. Tsis tas li ntawd, ib rab koob bearing yog nyob rau tom qab, uas ua hauj lwm pab raws li ib tug kev txhawb nqa rau lub ncej thiab guarantees kev sib raug zoo ntawm lub ntsiab.
  2. Lub ncej thib ob kuj sib sau ua ke nrog lub pob bearing nyob rau hauv lub rear crankcase compartment thiab ib tug menyuam analogue ntawm lub hau.
  3. Qhov nruab nrab analogue cuam tshuam nrog ob lub bearings, thiab tseem tso siab rau cov menyuam hauv lub nraub qaum ntawm lub tshuab. Ibnruab nrab qag tsau.

thawj thiab nruab nrab ncej

Cov menyuam thawj yog nruab nrog ib khub ntawm toothed rims, ib qho uas nyob rau ntawm phab ntsa ntawm lub tsev, koom nrog rau pem hauv ntej iav. Tus spur counterpart yog hais txog 4 lub iav synchronizer yas, uas yog vim li cas txoj haujlwm no feem ntau hu ua "ncaj".

Ntawm nruab nrab thiab theem nrab ncej muaj cov tsav tsheb thiab tsav tsheb uas mesh nrog cov ntsiab lus ntawm cov khoom sib thooj. Cov khoom uas tau tsav cov hniav yog rigidly tsau ntawm lub ncej los ntawm ib qho tseem ceeb. Spur zog yog qhia rau "lawv" synchronizer. Ib qho elastic coupling flange yog tsau rau sab nraum qab ntawm cov menyuam thib ob. Raws li ib qho ntxiv sealant, lub tshuab ntxhua khaub ncaws ntxiv yog muab tso rau hauv lossis siv cov tshuaj anaerobic.

Intermediate ncej sib koom rau Niva checkpoint
Intermediate ncej sib koom rau Niva checkpoint

Synchronizer

Qhov no ntawm Niva gearbox suav nrog hauv nws qhov tsim: lub hub ruaj khov, zawv zawg hom clutch, tuav thiab thaiv lub nplhaib, lub caij nplooj ntoos hlav nrog lub tshuab ntxhua khaub ncaws. Hubs 3-4 thiab 1-2 lub zog tau muab tso rau hauv qhov grooves ntawm cov ncej thib ob, thiab ib feem zoo sib xws ntawm qhov thib tsib nrawm yog kho nrog qhov tseem ceeb zoo ib yam rau cov fasteners ntawm cov tsav tsheb tom qab.

Sab nraud ntawm lub hubs yog nruab nrog splines uas pab txav lub tes tsho zawv zawg. Cov khoom kawg muaj cov khoom siv tshuab, uas suav nrog cov diav rawg ntawm cov iav hloov cov pas nrig. Cov locking rings yog kev cob cog rua los ntawm internal rims mus rau lub taub hau ntawm lub synchronous zog ntawm cov coj gears, lawv yog nias los ntawm springs nyob rau hauv cov kev taw qhia.swb clutches. Lub caij nplooj ntoos hlav mechanisms tau txais kev txhawb nqa ntawm lub dav hlau ntawm lub zog tsav los ntawm kev siv cov ntxhua khaub ncaws tshwj xeeb.

Gear selector

Cov cuab yeej no hauv lub tsev Niva-21213 gearbox yog nruab nrog cov ntawv qhia phaj nrog yim lub qhov rooj, lub tshuab ntxhua khaub ncaws, lub zog hloov pauv, lub zog txhawb nqa thiab lub xauv xauv. Cov khoom sib xyaw no tau nruj nrog peb bolts rau lub thawv npog ntawm lub nraub qaum. Txoj haujlwm nruab nrab yog teeb tsa los ntawm kev teeb tsa lub zog ntawm 3 thiab 4 nrawm. Kev kho zaum kawg yog ua los ntawm kev siv lub caij nplooj ntoo hlav ua haujlwm ntawm lub zog hauv qab.

Ua tsaug rau hom bent petal ntawm lub bracket, kev ua kom yuam kev ntawm cov iav rov qab es tsis txhob siv plaub lub iav ua tsis tau. Txhawm rau tig rov qab ceev, Niva gearbox qib tau txav mus rau nws txoj haujlwm qis tshaj plaws, nws cov protrusion yuav tsum tau poob qis hauv qab lub paj ntaub. Cov qauv tsim no txhim kho kev nyab xeeb kev tsheb.

Elastic coupling txuas lub cardan ncej nrog lub gearbox
Elastic coupling txuas lub cardan ncej nrog lub gearbox

1. flange ceev; 2. dab tshos; 3. lub clutch yog elastic; 4. ncua kev hla tus tswv cuab.

Lwm qhov chaw thiab cov txheej txheem

Ntawm lwm cov ntsiab lus ntawm cov node nyob rau hauv kev txiav txim siab, cov khoom siv hauv qab no tuaj yeem raug sau tseg:

  1. Rov qab txav mus los. Nws tsis muaj ib qho synchronizer, ua kom ua tiav los ntawm kev qhia cov iav nruab nrab nrog ib qho kev sib piv ntawm cov zis ncej thiab tib qhov ntawm cov menyuam nruab nrab.
  2. Lub Niva-2121 gearbox muaj kev tswj xyuas muaj peb tus pas nrig,aggregation nrog rab rawg. Cov ntsiab lus kawg yog muab tso rau hauv lub qhov (sockets) ntawm cov swb clutches, thiab cov analogue ntawm cov iav rov qab yog muab tso rau hauv qhov undercut ntawm cov iav nruab nrab.
  3. Lub tshuab lubricating muab rau kev ua cov khoom sib dhos los ntawm kev txau. Cov shafts yog kaw nrog roj foob, nyob rau hauv lub thib ob ncej ntawm lub thib tsib iav muaj ib tug roj deflector nyob rau hauv daim ntawv ntawm ib tug ntxhua khaub ncaws. Cov roj puv yuav tsum ncav cuag ntug qis ntawm lub qhov muab tub lim.
Gear lever "Niva"
Gear lever "Niva"

Tshem tawm Chevrolet Niva gearbox

Thaum pib, lub tsheb yuav tsum muab tso rau ntawm qhov chaw saib lossis nqa. Nres yog muab tso rau hauv qab lub log thiab tus choj, tus tsav tau tsa los ntawm ib lossis ob sab. Lub "handbrake" yog tso tawm, lub gearshift lever yog teem rau nruab nrab txoj hauj lwm. Cov cables raug txiav tawm ntawm lub roj teeb.

Kev nqis tes ntxiv yog raws li hauv qab no:

  1. Lawv tshem cov lev tawm hauv pem teb thiab cov npog sab nrauv los ntawm cov ntaub ntawv hloov tsheb thiab cov kauj vab gearbox, rhuav tshem cov kaus mom thiab cov ntsaws ruaj ruaj, tshem tawm cov tes ntawm lub levers.
  2. Nias lub pas nrig nrog lub cuab yeej tsim nyog, tshem lub tes tsho xauv ntawm qhov zawj, tshem tus pas nrig.
  3. Unhook lub raj hanger thiab mufflers los ntawm lub receiver.
  4. Txhob qhov kho clamp, tshem tawm cov mufflers nrog lub spanner wrench, tom qab ntawd cov yeeb nkab raug tshem tawm los ntawm kev txav mus.
  5. Unscrew lub qis qis ntawm lub tsev clutch thiab cov xaim mus rau hauv av, nrog rau cov xaim ntawm "nres".
  6. Dismanle lub retractable caij nplooj ntoos hlav mechanism ntawm clutch tso diav rawg, tshem tawm tus pusher cotter tus pin.
  7. Los ntawm crankcasedisengage tus qhev lub tog raj kheej. Nyob rau tib lub sijhawm, cov khoom kawg tau tso rau hauv qhov chaw kom tiv thaiv kom tsis txhob tawg ntawm cov dej nres nrog txuas ntxiv ntawm cov hydraulic tsav.
Scheme ntawm gearbox "Niva"
Scheme ntawm gearbox "Niva"

Tiav cov kauj ruam kom tshem tawm Chevy Niva gearbox thiab txhim kho

Cov txheej txheem ntxiv muaj cov kauj ruam hauv qab no:

  1. Ib lub clamp yog muab tso rau ntawm elastic coupling, ua raws li nruj nreem. Qhov no yuav ua rau nws yooj yim dua rau tshem tawm thiab rov nruab qhov txuas. Unscrew lub xauv ceev thiab tig lub nruab nrab cardan thaum tshem cov fasteners ntawm cov zis ncej flange.
  2. Disconnect tus speedometer hloov tau cov menyuam los ntawm tus tsav ntawm "razdatka".
  3. Txiav cov flanges ntawm cardan shafts ntawm chav faib khoom, txo cov shafts nrog ntxiv tshem tawm ntawm cov analogues ntawm lub qag drives.
  4. Unscrew lub kho bolts ntawm lub cev brackets, thiab ces tshem tawm cov hloov ntaub ntawv ua ke nrog lub kiv cua.
  5. Unscrew lub ntsia liaj qhov rooj fastening ntawm lub starter rau lub clutch vaj tse nrog kev pab los ntawm ib tug hinged kawg cuab tam, rov ua tib yam txheej txheem nrog lub bolts ntawm lub hau ntawm lub rooj sib txoos.
  6. Tshem tawm lub cav tsheb tom qab thiab cov tswv cuab hla, thiab tom qab ntawd rhuav tshem cov khoom kawg, tuav lub gearbox hauv qab.
  7. Nyob rau hauv lub crankcase ib feem ntawm lub mechanism hloov lub jack lossis lwm yam kev txhawb nqa txhim khu kev qha. Cov bolts kho yog unscrewed nrog ib tug ciaj ntswj, lub gearbox yog muab tshem tawm ua ke nrog cov kis tau tus mob vaj tse. Nyob rau hauv cov ntaub ntawv no, lub thaiv yog hloov mus rau lub rear ntawm lub tsheb, uas yuav tso cai rau cov thawj cov menyuam ntawm lub gearbox raug tshem tawm ntawm lub pem hauv ntej bearing thiab lub hub ntawm lub driven disk.kis tau tus mob.
  8. Thaum ua haujlwm ntawm kev tshem tawm lossis kev teeb tsa ntawm lub gearbox, tsis txhob so ntawm ntug kev nkag ntawm lub flange-nres ntawm lub caij nplooj ntoos hlav siab. Qhov no yog fraught nrog deformation ntawm daim hlau txuas ntawm clutch block.

Kev teeb tsa ntawm Niva-21214 gearbox yog ua tiav hauv daim iav xaj. Nws yog thawj zaug uas yuav tsum tau siv cov roj tshwj xeeb ntawm Litol-24 hom rau lub splined edging ntawm ncej. Koj kuj yuav tsum tau nruab rau lub clutch tsav mechanism los ntawm kev kho.

SUV "Niva"
SUV "Niva"

Thaum pom thawj zaug, Niva-2131 gearbox yog qhov nyuaj thiab siv tshuab thev naus laus zis. Los ntawm thiab loj, qhov no yog qhov tseeb, tshwj xeeb tshaj yog tias ib tug neeg tsis muaj kev paub txog kev disassembling thiab assembling cov nodes. Txawm li cas los xij, paub txog qhov ua ntu zus, nrog rau cov qauv ntawm ib feem, nws yog qhov ua tau los hloov cov khoom seem uas muaj teeb meem thiab kho cov ntsiab lus ntawm koj tus kheej siv cov cuab yeej tsawg tsawg. Yog tias koj tsis paub meej txog koj tus kheej, nws yog qhov zoo dua mus ntsib kws kho mob tshwj xeeb kom tsis txhob ua rau qhov xwm txheej hnyav dua.

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