Tag nrho cov ntaub ntawv hais txog Dsg gearbox
Txheem
Ntawm cov tsheb ntawm Volkswagen kev txhawj xeeb, siv lub thawv DSG robotic, tab sis tsis yog txhua tus tswv nkag siab tias nws yog dab tsi thiab yuav ua li cas los tuav lub rooj sib txoos. Ua ntej yuav ib lub tsheb, tus neeg nyiam tsheb yuav tsum paub txog nws tus kheej nrog kev tsim qauv ntawm kev sib kis, uas hloov cov khoom siv tshuab classic. Kev ntseeg siab ntawm "neeg hlau" DSG ncaj qha nyob ntawm cov qauv kev ua haujlwm.
DSG yog dab tsi
Cov ntawv luv DSG sawv cev rau Direkt Schalt Getriebe, lossis Direct Shift Gearbox. Kev tsim ntawm chav tsev siv 2 ncej, muab cov kab sib tw thiab khib nrawm. Rau kev sib hloov ceev thiab nrawm, 2 kev sib txhuam kev sib txhuam yog siv. Tus tsim txhawb lub dynamic acceleration ntawm lub tshuab thaum txhim kho kev tsav tsheb. Qhov nce hauv cov kauj ruam hauv lub gearbox tso cai rau koj kom pom zoo siv lub peev xwm ntawm lub cav combustion sab hauv thaum txo cov roj noj.
Keeb kwm ntawm kev tsim
Lub tswv yim ntawm kev tsim gearboxes nrog kev xaiv theem pib tshwm sim thaum pib ntawm lub xyoo pua xeem, Adolf Kegress tau los ua tus sau ntawm tus tsim. Xyoo 1940, 4-ceev gearbox tsim los ntawm engineer Rudolf Frank tau tshwm sim, uas siv ob lub clutch. Kev tsim ntawm chav tsev ua rau nws muaj peev xwm hloov cov theem yam tsis muaj kev rhuav tshem lub zog ntws, uas yog nyob rau hauv kev thov ntawm cov khoom lag luam kev lag luam. Tus tsim qauv tau txais patent rau nws qhov kev tsim, prototypes tau ua rau kev sim.
Thaum kawg ntawm 70s. ib qho kev tsim zoo sib xws tau npaj los ntawm Porsche, uas tsim 962C kev sib tw tsheb project. Nyob rau tib lub sij hawm, tib lub thawv nrog ib tug qhuav ob chav clutch tau siv rau Audi rally tsheb. Tab sis qhov kev taw qhia ntxiv ntawm cov chav nyob tau cuam tshuam los ntawm qhov tsis muaj hluav taws xob muaj peev xwm tswj tau kev ua haujlwm ntawm clutches thiab iav hloov.
Lub advent ntawm compact controllers tau coj mus rau txoj kev loj hlob ntawm ib tug dual clutch kis tau tus mob rau mid-range machines. Thawj version ntawm lub thawv DSG classic nrog 2 clutches tau pib ua ntau lawm thaum kawg ntawm 2002. Borg Warner thiab Temic, uas muab cov clutch, hydraulics thiab tswj hluav taws xob, tau koom nrog hauv kev tsim cov rooj sib txoos. Cov units muab 6 rau pem hauv ntej speeds thiab tau nruab nrog ib tug ntub clutch. Cov khoom tau txais lub Hoobkas Performance index DQ250 thiab tso cai rau kev hloov ntawm torque mus txog 350 N.m.
Tom qab ntawd, 7-ceev qhuav hom DQ200 tshwm sim, tsim rau cov cav nrog lub zog ntawm 250 N.m. Los ntawm kev txo lub peev xwm ntawm cov roj sump thiab kev siv cov compact drives, qhov loj thiab qhov hnyav ntawm cov kis tau tus mob raug txo. Nyob rau hauv 2009, ib qho kev txhim kho ntub hom DQ500 gearbox tau tsim, yoog rau kev siv ntawm cov cav tov nrog pem hauv ntej lossis tag nrho-log tsav.
Yuav ua li cas li no ua hauj lwm
Lub thawv DSG muaj cov khoom siv kho tshuab thiab ib chav mechatronics cais uas muab kev xaiv ntawm kev ceev. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov kis tau tus mob yog raws li kev siv 2 clutches, uas tso cai rau koj ua haujlwm tau zoo ntawm kev nce lossis nqis. Thaum lub sij hawm hloov, thawj lub clutch yog disengaged thiab nyob rau tib lub sij hawm lub thib ob clutch unit yog kaw, uas tshem tawm kev poob siab loading.
Nyob rau hauv kev tsim ntawm cov neeg kho tshuab module, muaj 2 blocks uas ua kom lub lag luam ntawm ib tug txawm thiab khib tus naj npawb ntawm speeds. Thaum lub sijhawm pib, lub thawv suav nrog thawj 2 kauj ruam, tab sis lub overdrive clutch qhib.
Lub tshuab hluav taws xob tau txais cov ntaub ntawv los ntawm cov ntsuas kev sib hloov, thiab tom qab ntawd hloov cov kev ceev (raws li ib qho kev pab cuam). Rau qhov no, cov txheej txheem txuas nrog synchronizers yog siv, cov diav rawg yog tsav los ntawm hydraulic thooj voos kheej kheej nyob rau hauv chav tsev mechatronics.
Lub crankshaft ntawm lub cev muaj zog txuas nrog dual-mass flywheel, uas xa cov torque los ntawm kev sib txuas spline rau lub hub. Lub hub yog rigidly mated rau lub dual clutch tsav disc, uas faib torque ntawm lub clutches.
Tib lub zog yog siv los xyuas kom meej qhov kev ua haujlwm ntawm thawj lub zog rau pem hauv ntej thiab rov qab, nrog rau 4 thiab 6 rau pem hauv ntej zog. Vim qhov tsim tshwj xeeb no, nws tuaj yeem txo qhov ntev ntawm cov shafts thiab cov khoom sib dhos.
Hom DSG
VAG siv 3 hom thawv ntawm lub tsheb:
- 6-ceev ntub hom (Internal code DQ250);
- 7-ceev ntub hom (chaw tsim khoom code DQ500 thiab DL501, tsim rau transverse thiab longitudinal mounting, feem);
- 7-ceev qhuav hom (code DQ200).
DSG 6
Tus tsim ntawm DSG 02E lub thawv siv clutches nrog ua hauj lwm discs rotating nyob rau hauv ib tug roj da dej. Cov kua dej muab kev txo qis hauv kev sib txhuam hauv ob sab phlu nrog ib qho kev txo qis hauv qhov kub thiab txias. Kev siv cov roj muaj txiaj ntsig zoo rau cov peev txheej ntawm chav tsev, tab sis muaj cov kua hauv lub crankcase txo qhov kev ua tau zoo ntawm kev sib kis thiab ua rau muaj kev siv roj ntau ntxiv. Cov roj cia yog kwv yees li 7 litres, qhov qis ntawm lub gearbox vaj tse yog siv rau kev khaws cia (tus qauv tsim zoo ib yam li cov khoom siv sib kis).
Cov yam ntxwv ntxiv tau siv rau hauv lub thawv qhuav:
- hom kev ua si;
- phau ntawv hloov;
- Hillholder hom, uas tso cai rau koj nres lub tsheb los ntawm kev nce siab hauv lub clutch circuit;
- kev txhawb nqa rau kev txav ntawm qhov qis qis yam tsis muaj kev cuam tshuam ntawm kev tsav tsheb;
- tswj kev txav tsheb thaum muaj xwm txheej ceev.
DSG 7
Qhov sib txawv ntawm DQ200 thiab yav dhau los versions ntawm lub thawv yog siv cov qhuav-hom kev sib txhuam clutches thiab 2 cais roj systems tsim los lubricate cov neeg kho tshuab seem ntawm cov kis tau tus mob thiab ua hauj lwm cov hydraulic mechatronic circuits. Cov kua dej yog nkag mus rau mechatronic actuators los ntawm kev siv lub tshuab hluav taws xob sib cais, uas tso cov roj rau hauv lub tank. Kev sib cais ntawm lubrication thiab hydraulic systems ua rau nws muaj peev xwm mus nruab nrab qhov tsis zoo ntawm cov khoom hnav ntawm solenoids.
Cov tswj sensors tau koom ua ke rau hauv cov tswj tswj, uas ua rau nws muaj peev xwm zam kev teeb tsa ntawm kev txuas ntxiv. Lub thawv txhawb nqa txhua hom kev siv nyob rau hauv cov chav nyob ntawm cov tiam dhau los. Hydraulic yog muab faib ua 2 seem pab txawm thiab khib zog.
Chav tsev DQ500 txawv ntawm DQ250 nyob rau hauv cov tsos ntawm ib qho ntxiv rau pem hauv ntej iav. Lub thawv khoom siv lub flywheel ntawm kev hloov kho, nrog rau cov clutches tsim kom muaj zog ntxiv. Kev siv cov tshuab mechatronics siab heev ua rau nws muaj peev xwm ua kom cov txheej txheem hloov ceev.
Cov tsheb twg tuaj yeem nrhiav tau
DSG kis tau tus mob tuaj yeem pom hauv Volkswagen, Skoda, Rooj lossis Audi tsheb. Ib qho thaum ntxov ntawm lub thawv DQ250 tau siv rau ntawm Volkswagen tsheb tsim tom qab 2003. Lub DQ200 version tau siv rau hauv tsheb xws li Golf lossis Polo. Koj tuaj yeem txiav txim siab txog qhov muaj lub thawv DSG los ntawm lub cim uas nyob ntawm qhov hloov pauv.
Tab sis txij li xyoo 2015, qhov kev txhawj xeeb ntawm Volkswagen tau tso tseg cov cim ntawm cov levers, hom kev sib kis tau txiav txim siab los ntawm qhov pom ntawm lub thawv (nyob rau sab ntawm lub crankcase muaj ib chav tsev mechatronics nrog lub ntsej muag lim npog).
Tej teeb meem
Qhov kev sib txuas tsis muaj zog hauv kev tsim cov thawv yog cov mechatronics, uas hloov tag nrho. Chav tsev ua tsis tiav tau rov qab los hauv cov chaw ua haujlwm tshwj xeeb lossis hauv lub hoobkas. Nyob rau hauv thaum ntxov versions ntawm ntub-hom gearbox, hnav cov khoom ntawm kev sib txhuam hauv ob sab phlu mus rau hauv cov kua.
Cov lim uas tau muab rau hauv tus qauv tsim yuav txhaws nrog cov av; thaum lub sijhawm ua haujlwm ntev, chav tsev tsis muab cov roj purification. Cov plua plav zoo yog rub mus rau hauv chav tswj kev hloov pauv, ua rau muaj kev puas tsuaj rau lub tog raj kheej thiab cov solenoids.
Lub neej ntub clutch cuam tshuam los ntawm lub zog ntawm lub cev muaj zog. Lub neej kev pab cuam ntawm lub clutch yog mus txog 100 txhiab km, tab sis yog hais tias ib tug reprogrammed engine tswj chav tsev, ces lub mileage ua ntej hloov tee los ntawm 2-3 zaug. Qhuav kev sib txhuam clutches nyob rau hauv lub DSG7 pab ib tug nruab nrab ntawm 80-90 txhiab km, tab sis nce zog thiab torque los ntawm flashing lub motor controller txo cov peev txheej los ntawm 50%. Qhov nyuaj ntawm kev hloov cov khoom hnav tsis zoo yog tib yam, rau kev kho nws yuav tsum tau tshem lub gearbox ntawm lub tsheb.
Hauv DQ500 lub thawv, muaj teeb meem nrog roj ejection los ntawm lub qhov cua. Txhawm rau tshem tawm qhov tsis xws luag, qhov txuas txuas ntxiv yog muab tso rau ntawm lub tshuab nqus pa, uas txuas nrog lub ntim me me (piv txwv li, mus rau lub pas dej ntawm lub tog raj kheej los ntawm VAZ tsheb). Cov neeg tsim khoom tsis xav txog qhov tsis xws luag.
Dab tsi tawg hauv DSG lub thawv
Feem ntau tawg ntawm DSG gearboxes:
- Hauv DQ200 units, chav tswj hluav taws xob yuav ua tsis tiav. Qhov tsis xws luag yog pom ntawm cov thawv ntawm cov khoom thaum ntxov vim qhov kev tsim tsis tiav ntawm cov ntawv luam tawm Circuit Board uas cov lem tawm mus. Ntawm DQ250 qauv, ib qho kev sib tsoo ntawm kev sib tsoo ua rau kev ua kom muaj kev kub ntxhov thaum lub sijhawm pib lub cev muaj zog, tom qab tua thiab rov pib dua, qhov tsis xws luag ploj.
- Siv nyob rau hauv lub thawv qhuav, lub twj tso kua mis hluav taws xob ua haujlwm ntawm cov teeb liab los ntawm lub siab sensors. Yog hais tias qhov nruj nreem ploj, lub Circuit Court tsis tuav lub siab, uas provokes qhov ua haujlwm tas li ntawm lub twj tso kua mis. Lub sijhawm ua haujlwm ntev ntawm lub cav ua rau overheating ntawm windings lossis rupture ntawm lub tank cia.
- Txhawm rau hloov lub zog, DQ200 siv rab rawg nrog lub pob sib koom ua ke, uas tawg thaum lub sijhawm ua haujlwm. Hauv xyoo 2013, lub thawv tau hloov kho tshiab, ua tiav qhov tsim ntawm rab rawg. Txhawm rau txuas ntxiv lub neej ntawm cov cuab yeej qub qub, nws raug nquahu kom hloov cov roj iav hauv cov tshuab txhua 50 txhiab kilometers.
- Hauv DQ250 units, hnav cov bearings nyob rau hauv lub tshuab thaiv yog ua tau. Yog hais tias cov khoom puas lawm, ib tug hum tshwm thaum lub tsheb tsiv, uas txawv nyob rau hauv lub suab nyob ntawm seb qhov ceev. Qhov sib txawv puas tsuaj pib ua suab nrov thaum tig lub tsheb, nrog rau thaum lub sijhawm acceleration lossis braking. Hnav cov khoom nkag mus rau hauv mechatronics kab noj hniav thiab lov tes taw kev sib dhos.
- Cov tsos ntawm ib tug clang thaum lub sij hawm pib lub cav los yog thaum lub sij hawm tsis ua hauj lwm hom qhia qhov kev puas tsuaj ntawm cov qauv ntawm lub dual-mass flywheel. Lub rooj sib txoos tsis tuaj yeem kho thiab hloov nrog qhov qub.
https://www.youtube.com/watch?time_continue=2&v=5QruA-7UeXI&feature=emb_logo
Pros thiab Cons
Qhov zoo ntawm DSG kis tau tus mob:
- kom ntseeg tau tias kev nrawm nrawm vim lub sijhawm luv luv ntawm kev hloov ceev;
- txo cov roj noj tsis hais hom kev tsav tsheb;
- smooth iav hloov;
- muaj peev xwm ntawm phau ntawv tswj;
- kev saib xyuas ntawm cov hom kev ua haujlwm ntxiv.
Qhov tsis zoo ntawm cov tsheb nrog DSG suav nrog tus nqi nce ntxiv piv rau cov analogues nruab nrog phau ntawv sib kis. Cov mechatronics ntsia rau ntawm lub thawv tsis ua haujlwm vim qhov kub hloov pauv; txhawm rau rov qab lub thawv rau lub peev xwm ua haujlwm, koj yuav tsum tau nruab ib chav tshiab. Ntawm cov chav tsev qhuav, jerks raug sau tseg thaum hloov thawj 2 nrawm, uas tsis tuaj yeem tshem tawm.
Lub DSG kis tau tus mob tsis yog tsim los rau txhoj puab heev tsav tsheb vim poob siab loads ua rau lub dual loj flywheel thiab kev sib txhuam clutches.
Puas tsim nyog nqa tsheb nrog DSG
Yog tias tus neeg yuav khoom xav tau lub tsheb tsis muaj kev khiav, koj tuaj yeem xaiv tus qauv nrog lub thawv DSG. Thaum muas ib lub tsheb siv, koj yuav tsum tau xyuas cov kev mob ntawm chav tsev. Ib qho tshwj xeeb ntawm DSG lub thawv yog lub peev xwm los kuaj xyuas lub computer, uas yuav txiav txim siab qhov xwm txheej ntawm cov node. Kev kuaj xyuas yog ua los ntawm kev siv ib txoj hlua uas txuas nrog rau kev kuaj mob ntawm lub tshuab. Txhawm rau tso tawm cov ntaub ntawv, software "VASYA-Diagnost" yog siv.
