Ho Beha Brake e Thusang e le Tšireletso ea Brake
Taolo ea mocheso ke motheo oapolokeho ea likoloi tsa khoebohodima matsoapo a lithaba tse phahameng. Li-brake tsa motheo—ebang ke tsa meropa kapa tsa di-disc tsa moea—li etselitsoe ho fetola matla a kinetic a koloi hore e be matla a mocheso ka khohlano ea mechine. Leha ho le joalo, ho itšetleha ka thata ka li-brake tsa motheo nakong ea ho theoha ha nako e telele ho tlatsa matla a tsona a mocheso ka potlako. Ha mocheso oa meropa ea brake o feta 250°C (482°F), thepa ea khohlano e qala ho tsoa khase, e leng se etsang hore ho be le lera la moeli le fokotsang matla a ho emisa haholo, e leng ntho e tsejoang e le ho fela ha li-brake. Maemong a feteletseng, mocheso o ka nyoloha ka holimo ho feta 500°C (932°F), e leng se lebisang ho hloleheng ha sebopeho, ho cha ha mabili, kapa tahlehelo e felletseng ea taolo ea koloi.
Mekhoa e thusang ea ho braka e sebetsa e le mokhoa oa mantlha oa ho thibela ho fetella ha mocheso. Ka ho fana ka torque e liehang e tsoelang pele ka har'a drivetrain ho fapana le lipheletsong tsa mabili, mekhoa ena e monya le ho qhala matla a maholo a kinetic a hlahisoang ke koloi e imetsoeng haholo e theohelang sehlopheng se itseng. Tšebeliso e nepahetseng ea ho braka e thusang ha se feela khetho ea ho khanna; ke tlhoko ea motheo ea boenjiniere e etselitsoeng ho boloka li-brake tsa motheo bakeng sa ho ema ka tšohanyetso le ho fokotseha ha lebelo la terminal.
Tšusumetso ea khoebo bophelong ba li-brake le polokehong
Litlamorao tsa khoebo tsa ho behella ka thoko ho thusang ho sebetsa hantle li atoloha ho feta ho latela melao ea motheo ea polokeho, li susumetsa ka kotloloho tekanyetso ea tlhokomelo ea likepe le nako ea ho sebetsa ha koloi. Sete e tloaelehileng ea brake ea motheo ho tereilara ea terekere ea Sehlopha sa 8 hangata e bitsa chelete e pakeng tsa $800 le $1,200 ka axle, e leng se eketsang thepa ea khohlano, lisebelisoa le basebetsi. Ha bakhanni ba itšetleha ka li-brake tsa motheo khafetsa bakeng sa taolo ea lebelo la ho theoha, thepa ea khohlano e senyeha pele ho nako, hangata e hloka ho nkeloa sebaka ka linako tse khutšoanyane tsa lik'hilomithara tse 50,000 ho isa ho tse 70,000.
Ka lehlakoreng le leng, dikepe tse tiisang melao e matla ya ho brake e thusang kgafetsa di atisa ho eketsa bophelo ba brake ya motheo ka 300% ho isa ho 500%. Ditshebedisong tse boima, ho sebedisa di-retarder tsa enjene kapa tsa hydraulic ho fetola nako ya ho tsofala ho ya ho dimaele tse 200,000 kapa ho feta. Phokotso ena ya makgetlo a tlhokomelo e boetse e fedisa nako ya ho se sebetse e amanang le yona, e ka jang mosebedisi tjhelete e fetang $800 ho isa ho $1,000 ka letsatsi ho lahlehileng ha lekeno. Ka lebaka leo, ditshenyehelo tsa pele tsa motse-moholo bakeng sa sistimi ya ho brake e thusang e sebetsang hantle di hlahisa puseletso e potlakileng ho matsete ka ditjeo tse fokotsehileng haholo tsa tlhokomelo ya potoloho ya bophelo.
Litlhaloso tsa bohlokoa le meeli ea sistimi
Ho ntlafatsa tšireletso ea li-brake, basebetsi ba tlameha ho utloisisa meeli ea tekheniki lipakeng tsa litsamaiso tsa motheo le tse thusang.Li-brake tsa motheo li thehiloe khohlanong, mekgwa e tsamaiswang ke moya kapa haeteroliki e fumanehang pheletsong ya lebili. Di etseditswe diketsahalo tsa ho fokotsa lebelo ka matla a maholo, nako e kgutshwane. Dibrake tse thusang, ka lehlakoreng le leng, ke di-retarder tse se nang kgohlano tse kentsweng enjeneng, mosi, kapa driveline, tse entsweng bakeng sa ho qhala matla ka matla a tlase, a tswelang pele.
Moeli oa katleho ea sistimi e thusang o hlalosoa ke matla a eona a ho fokotsa lebelo a phahameng (BHP) le bokhoni ba koloi ba ho hana mocheso. Le hoja brake ea khatello ea enjene ea sejoale-joale e ka hlahisa matla a ho fokotsa lebelo a fihlang ho 600 BHP, matla ana qetellong a fetisetsoa tsamaisong ea ho pholisa ea enjene kapa a ntšoa ka mosi. Haeba matla a kinetic a tsoelang pele a theoha a feta tekanyo ea BHP ea sistimi e thusang, koloi e tla potlakisa, e leng se hlokang tšebeliso ea maano le nako le nako ea li-brake tsa motheo ho boloka tekano e sireletsehileng.
Tshebetso e Thusang ea ho Bekha Libakeng tse Telele tsa ho Fokotsa
Fisiks ea ho theoha ha lebelo le lelelele e hloka tekano e nepahetseng pakeng tsa ho potlaka ha matla a khoheli le ho lieha ha mechine. Koloi e tloaelehileng ea Sehlopha sa 8 e sebetsang ka boima ba motsoako o felletseng (GCW) ba 80,000 lbs (36,287 kg) e theohelang sehlopheng sa 6% ka limaele tse hlano e hlahisa bongata bo boholo ba matla a kinetic. Ntle le ho lieha ho thusang, matla ana a ne a tla imetsa hang-hang meeli ea mocheso ea thepa ea khohlano ea mabili.
Ho utloisisa hore na mahlale a fapaneng a thusang a ho brake a sebetsa joang tlas'a maemo ana a boima ho bohlokoa bakeng sa ho bapisa lisebelisoa tse nepahetseng le liprofaele tse itseng tsa tsela. Tshebetso ha e fetohe; e fetoha ho latela RPM ea enjene, khetho ea li-gear, le moralo oa 'mele oa mokhoa oa ho lieha.
Li-brake tsa enjene, li-brake tsa mosi, le li-retarder tsa hydraulic
Mekhoa e thusang ea ho brake ka kakaretso e oela likarolong tse tharo tse fapaneng tsa mechine, e 'ngoe le e 'ngoe e fana ka maemo a fapaneng a matla a ho lieha le litšobotsi tsa ts'ebetso. Li-brake tsa ho ntša mosi li sebetsa ka ho thibela phallo ea likhase tsa mosi, li baka khatello ea morao e hanang motsamao o nyolohang oa li-piston nakong ea ho otloa ha mosi. Mekhoa ena hangata e fumanoa lits'ebetsong tse mahareng 'me e hlahisa matla a fokolang a 150 ho isa ho 250 a ho khutlisa mosi.
Li-brake tsa khatello ea enjene, tse tsejoang hangata e le Jake Brakes, li fetola nako ea valve ea enjene. Ka ho bula li-valve tsa mosi haufi le karolo e ka holimo ea khatello ea khatello, sistimi e ntša moea o hatelletsoeng, e fetola enjene hore e be compressor ea moea e monyang matla.Li-brake tsa enjene tsa sejoale-joaleLi-platform tsa disele tsa lilithara tse 13 ho isa ho tse 15 li ka hlahisa matla a pakeng tsa lipere tse 450 le 600 a ho lieha. Li-retarder tsa hydraulic, tse kopantsoeng le phetiso kapa driveline, li sebelisa shear ea mokelikeli ho hlahisa khanyetso. Tsena ke khetho e matla ka ho fetisisa, e khonang ho fana ka matla a fetang 800 a horsepower a khutsitseng, a tsoelang pele a ho lieha.
| Mofuta oa Sistimi e Thusang | Mokhoa oa Motheo | Matla a ho Lieha a Maholo (Hoo e ka bang) | Kopo e Loketseng |
|---|---|---|---|
| Brake ea ho ntša mosi | Thibelo ea khatello ea mokokotlo | 150 – 250 HP | Sebaka se mahareng, se bataletseng |
| Khatello ea Enjene | Phetoho ea nako ea valve | 450 – 600 HP | Litsela tse boima, tse lithaba |
| Moqotli oa haeteroliki | Sekere sa mokelikeli o nang le viscous | 600 – 800+ HP | Boima bo boima, bo feteletseng ba boima bo feteletseng |
Litlamorao tsa kereiti, mojaro, boima, drivetrain, le bokgoni ba ho phodisa
Tshebetso ya sebele ya sistimi efe kapa efe ya ho brake e thusang e fetolwa haholo ke diphetoho tsa kantle. Dikereiti tse phahameng ka ho fetisisa hammoho le boima bo phahameng ba mojaro di hloka torque e hodimo ka ho fetisisa e hohelang. Leha ho le jwalo, matla a ho hohela a hokahantswe ka tsela e ke keng ya arolwa le sebopeho sa drivetrain. Hobane enjene le di-brake tsa ho ntsha mosi di itshetlehile ka lebelo la enjene, bokgoni ba tsona bo hodimo bo fihlellwa ho RPM e phahameng. Haeba mokhanni a kgetha gear e phahameng haholo, RPM ya enjene e a theoha, mme matla a ho hohela a ka theoha ka ho feta 50%.
Ho feta moo, bokgoni ba ho phodisa bo sebetsa jwalo ka siling e tiileng ya tshebetso. Di-retarder tsa hydraulic, le hoja di le matla haholo, di fetola matla a kinetic ka ho toba ho ba matla a mocheso ka hara mokelikeli wa phetiso, oo ebe o pompelwa ka phapanyetsano ya mocheso e tlamilweng tsamaisong ya ho phodisa ya enjene. Se-retarder sa hydraulic se ka lahlela mocheso o fetang 400 kW ka hara sekgoqetsane sa coolant. Haeba radiator ya koloi le clutch ya fan di sa kgone ho hana mocheso ona kapele ka ho lekaneng, module ya taolo ya elektroniki ya se-retarder (ECM) e tla fokotsa matla a ho brake ka bohona ho thibela ho chesa haholo ha enjene, e leng se tla qobellang mokhanni ho itshetleha ka di-brake tsa motheo.
Tšebeliso e Nepahetseng ea Mokhanni Pele le Nakong ea ho Theoha
Lisebelisoa tse tsoetseng pele tsa ho braka tse thusang ha li sebetse hantle haeba mokhanni a hloleha ho sebelisa mekhoa e nepahetseng ea ho theoha. Karolo ea bohlokoa ea ho theoha thabeng e etsahala pele koloi e ka fihla leralleng. Tsamaiso ea lebelo le potlakileng le khetho ea li-gear li theha moeli oa polokeho ea mocheso, athe ho braka ho arabelang ho sa feleng ho lebisa ho se sebetseng ha mocheso.
Mekhoa e metle ea indasteri e laela hore koloi e behoe boemong bo loketseng ba ho theoha ha e ntse e le fatše le bataletseng kapa ntlafatso e nyane pele e theoha. Ho leka ho theola koloi e boima ea khoebo ha u ntse u potlakisa ka mokhoa o sa laoleheng ho theoha ka tekanyo ea 7% ho kotsi 'me hangata ho ke ke ha khoneha ka mechine.
Liteko tsa pele ho theoha, khetho ea lisebelisoa, le lipheo tsa lebelo
Liteko tsa pele ho theoha li qala ka ho netefatsa boemo ba ts'ebetso ea sistimi ea ho thiba e thusang le ho netefatsa hore mocheso oa enjene o sebakeng se loketseng (hangata ho tloha ho 180°F ho isa ho 195°F). Molao oa motheo oa ho theoha ke ho khetha gia e lumellang thiba e thusang ho tšoara koloi ka lebelo le tsitsitseng le le sireletsehileng ntle le ho hloka ts'ebeliso e tsoelang pele ea thiba ea motheo.
Bakeng sa mariki a khatello ea enjene, matla a ho fokotsa lebelo a phahameng ka ho fetisisa a fihlelloa pakeng tsa 1,900 le 2,100 RPM, ho latela litlhaloso tsa moetsi oa enjene. Bakhanni ba tlameha ho shebana le lebelo la ho theoha le leng ka tlase ho 5 ho isa ho 10 mph ka tlase ho lebelo le phahameng ka ho fetisisa le bolokehileng le behiloeng bakeng sa sehlopha seo se itseng. Haeba koloi e hloka lebelo le tlase ho boloka taolo, mokhanni o tlameha ho theola lebelo pele ho theoha ho qala, a notlela phetiso ka karolelano e bolokang RPM ea enjene e le holimo le lebelo la tsela le le tlase.
Ho kopanya braking e thusang le braking e tiileng ea ts'ebeletso e sa khaotseng
Ha tekanyo e phahama kapa mojaro o le boima haholo, brake e thusang e le 'ngoe e kanna ea se lekane ho tšoara lebelo leo e lebeletsoeng. Maemong ana, bakhanni ba tlameha ho kopanya brake e thusang le brake ea motheo ba sebelisa mokhoa o tsejoang e le "snubbing." Snubbing e kenyelletsa ts'ebeliso e tiileng, e sa khaotseng ea brake ea ts'ebeletso ho fapana le ho hula butle ho tsoelang pele.
Haeba lebelo la koloi le phahama ka 5 mph ka holimo ho lebelo leo e lebelletsweng, mokhanni o lokela ho sebedisa dibrake tsa thuso ka thata (a sebedisa kgatello ya tshebediso ya dibrake ya 20 ho isa ho 30 psi) ho fokotsa lebelo la koloi ho ya ho 5 mph ka tlase ho lebelo leo e lebelletsweng ka hara metsotswana e ka bang 3 ho isa ho e 5. Hang ha lebelo le tlase le fihlelletswe, dibrake di lokollwa ka botlalo. Mokgwa ona o dumella sistimi e thusang ho etsa boholo ba mosebetsi ha o ntse o fa dibrake tsa motheo nako ya bohlokwa ya ho phola ka ho teteana pakeng tsa ditshebediso. Ho hula dibrake ka kgatello e tlase (mohlala, 5 ho isa ho 10 psi) ho baka kgohlano e tswelang pele, ho thibela ho qhalana ha mocheso le ho kganna ka potlako mocheso wa mabili ho feta moedi wa kotsi wa 350°C.
Matšoao a temoso a hlokang ho emisa
Basebelisi ba tlameha ho koetlisoa ho lemoha matšoao a temoso a amang le a bonahalang a ho feteletsa mocheso. Sesupo se potlakileng sa hore li-brake tsa motheo lia senyeha ke maikutlo a hore pedal ea spongy pedal e etsa hore lithapo tsa pneumatic li atolohe kapamokelikeli oa brake oa haeterolikiho bela (hangata ho etsahala ka hodima 400°F ditsamaisong tsa haeteroliki). Temoso e nngwe ya bohlokwa ke keketseho e sa laetsweng ya lebelo la koloi ho sa tsotellehe hore brake e thusang e kentswe ka bokgoni bo phahameng mme ho sebediswa brake ya tshebeletso.
Matšoao a bonahalang a kenyelletsa mosi o tsoang lipheletsong tsa lebili, o bontšang hore thepa ea khohlano ea cha ebile e ntša khase. Haeba ho hlaha matšoao ana a temoso, mokhanni o tlameha ho emisa hang-hang ka tšohanyetso a sebelisa li-ramp tsa literaka tse balehang haeba ho hlokahala, kapa a emise sebakeng se sireletsehileng sa ho ema. Hang ha e emisitsoe, koloi e tlameha ho lula e eme metsotso e 30 ho isa ho e 45 ho lumella li-brake tsa motheo hore li phole ka tlhaho. Ho kenya li-brake tsa ho paka meqomong e chesang haholo ho ka etsa hore meqomo e kobehe kapa e petsohe ha e ntse e honyela.
Ho Latela Melao, Koetliso le Tlhokomelo
Ho boloka katleho ea litsamaiso tse thusang tsa ho brake ho hloka mokhoa o hlophisitsoeng o akaretsang ho latela melao ea tsamaiso, kemiso e thata ea tlhokomelo, le thuto e tsoelang pele ea bakhanni. Batsamaisi ba likepe ba tlameha ho tsamaea marang-rang a rarahaneng a melao ea lehae le litataiso tsa OEM ho netefatsa hore litsamaiso li sebelisoa ka molao ebile li bolokiloe boemong bo holimo ba ts'ebetso.
Sistimi e thusang e sa hlokomeloeng hantle ha e senye polokeho feela empa hape e sotha tlhahisoleseling ea telematics, e leng se lebisang litekong tse fosahetseng tsa ts'ebetso. Ho kopanya tlhokomelo ea lisebelisoa le koetliso ea bakhanni ho etsa sistimi e koetsoeng e eketsang tšireletso ea li-brake.
Meeli ea OEM, melao ea litsela, le maano a litsela tsa lithaba
Ho latela melao ea litsela tsa lehae ke taba ea bohlokoa ea ts'ebetso. Bomasepala ba bangata, haholo-holo libakeng tsa bolulo kapa tse amehang lerata, ba tiisa melao ea "Ha ho na Braking ea Enjene". Li-brake tsa enjene tsa setso ntle le ho li thiba ka ho lekaneng li ka feta li-decibel tse 90 (dB), e leng se etsang hore ho be le melao e thata ea ho fokotsa lerata. Mabotho a likepe a tlameha ho rera tsela ka tsela e nepahetseng kapa ho khetha likoloi tse nang le theknoloji e tsoetseng pele ea ho khutsisa mosi hore li lule li latela melao ntle le ho beha polokeho kotsing.
Ho phaella moo, basebetsi ba tlameha ho latela meeli ea OEM le melaoana ea litsela tsa lithaba. Moralo oa litsela tsa khoebo hangata o laela libaka tse tlamang tsa ho hlahloba lireki le lebelo le phahameng ka ho fetisisa la ho theoha ho latela boima ba koloi. Mohlala, leano la likoloi le ka thibela likoloi tse 80,000-lb ho fihlela ho 35 mph ho theolelo e itseng ea 6%, ho sa tsotelehe moeli oa lebelo o behiloeng, ho netefatsa hore sistimi e thusang ea ho brake e sebetsa ka har'a meeli ea eona ea mocheso le ea mechini.
Tlhahlobo, tlhahlobo, sistimi ea ho pholisa le litlhoko tsa mokelikeli
Ho senyeha ha mechine ha litsamaiso tse thusang hangata ho poteletse. Li-brake tsa khatello ea enjene li itšetlehile ka libaka tse nepahetseng tsa ho koala li-valve hore li sebetse hantle. Ha enjene e ntse e senyeha, libaka tsena lia tsamaea. Hangata li-OEM li hloka hore ho be le liphetoho tsa ho koala li-brake tsa enjene lik'hilomithara tse ling le tse ling tse 100,000 ho isa ho tse 120,000. Ho hloleha ho etsa tlhahlobo ena ho ka fella ka tahlehelo ea matla a ho lieha a 20% ho isa ho 30%, e leng se qobellang mokhanni ho itšetleha haholo ka li-brake tsa motheo.
Bakeng sa di-hydraulic retarder, boemo ba mokelikeli ke ba bohlokwa haholo. Potoloho e feteletseng ya mocheso e senya viscosity ya phetiso kapa maro a itseng a retarder. Diphetoho tsa mokelikeli le di-filter hangata di laelwa dimaele tse ding le tse ding tse 60,000 ka dipotoloho tse matla tsa mosebetsi. Ho feta moo, sistimi ya ho phodisa ya enjene e tlameha ho hlokomelwa ka hloko. Mapheo a radiator a tlameha ho tloswa ditshila, mme di-cap tsa kgatello ya sistimi ya coolant (hangata di lekanngwa ho 15 psi) di tlameha ho hlahlojwa ho netefatsa hore sistimi e ka sebetsana le mojaro o moholo wa mocheso o hanelwang ke retarder ntle le ho bela.
Telematics, koetliso ea bakhanni, le litlhahlobo tsa liketsahalo
Likoloi tsa khoebo tsa sejoale-joalehlahisa bongata bo boholo ba data ea bese ea J1939 CAN, e lumellang likepe ho lekola tšebeliso ea li-brake tse thusang hole. Li-platform tsa Telematics li ka latela peresente e nepahetseng ea matla a ho fokotsa lebelo a monngoang ke sistimi e thusang khahlanong le li-brake tsa motheo. Batsamaisi ba likepe ba lokela ho theha meeli, ba tšoaee liketsahalo moo mocheso oa li-brake tsa motheo o fetang 400°C kapa moo li-brake tse thusang li ikarabellang ka tlase ho 50% ea matla ohle a liehang ho theolelo e tsejoang.
Lintlha tsena li theha motheo oa koetliso ea bakhanni ba reretsoeng. Ho e-na le liboka tse akaretsang tsa polokeho, batsamaisi ba polokeho ba ka hlahloba litlaleho tse itseng tsa liketsahalo le bakhanni, ba ba bontša hantle moo ba hlōlehileng ho theola lebelo kapa moo ba ileng ba hula li-brake tsa tšebeletso. Litlhahlobo tsa liketsahalo tsa kamora leeto tse shebaneng le litekanyetso tsa taolo ea mocheso li khothalletsa setso sa ho khanna ka nepo, se fetolelang ka ho toba meeling e ntlafalitsoeng ea polokeho le ho atolosoa.lipotoloho tsa bophelo ba karolo ea brake.
Ho Khetha Mokhoa o Nepahetseng oa ho Bekha ka Thuso
Ho totobatsa sistimi e thusang ea ho brake nakong ea theko ea koloi ke qeto ea bohlokoa ea boenjiniere e laolang bokhoni ba ts'ebetso ea koloi bakeng sa potoloho eohle ea eona ea bophelo. Ho totobatsa ho feta tekano ho eketsa boima bo sa hlokahaleng le litšenyehelo tsa mantlha tsa pele, ha ho totobatsa ho sa hlaloseheng ho tiisa litšenyehelo tse phahameng tsa tlhokomelo le polokeho e kotsing sebakeng se lithaba.
Batsamaisi ba likepe ba tlameha ho sekaseka mekhahlelo ea bona ea mantlha ea mesebetsi, libaka tsa ts'ebetso ea libaka, le litlhophiso tsa mojaro oa meputso ho khetha sistimi e lumellanang le litlhoko tsa bona tse ikhethang tsa thermodynamic.
Mekhoa ea ho etsa liqeto bakeng sa khetho ea sistimi
Mekhoa ea mantlha ea ho etsa qeto bakeng sa khetho ea sistimi ke boima ba mojaro le sebaka sa litsela. Li-van tse omileng tse sebetsang ka mokhoa o tloaelehileng oa 80,000-lb ho pholletsa le maralla a mathule a Amerika Bohareng li tla fumana brake ea khatello ea enjene e lekana hantle. Leha ho le joalo, ts'ebetso e kenyeletsang ho hula ka thata, ho rema lifate, kapa li-trailer tse ngata (joalo ka literene tsa B tse boima ba 105,500 lbs kapa ho feta) tse fetang Lithabeng tsa Rocky li tobana le liprofayili tse fapaneng ka ho feletseng tsa matla a kinetic.
Bakeng sa lits'ebetso tsena tse feteletseng, matla a mocheso a brake ea enjene hangata ha a lekana, e leng se etsang hore hydraulic driveline retarder e be tlamo. Potoloho ea bophelo le eona e lokela ho nahanoa; koloi e reriloeng bakeng sa potoloho ea khoebo ea lilemo tse 5 e kanna ea se ke ea khutlisa premium ea $4,000 ho isa ho $6,000 ea hydraulic retarder ntle le haeba e sebelisoa ts'ebelisong ea 100% ea mosebetsi o boima.
| Potoloho ea Mosebetsi / Topographic | Boima ba Motsoako o Felletseng (GCW) | Sistimi e Thusang e Khothaletsoang | Bophelo ba Brake ea Motheo bo Lebeletsoeng |
|---|---|---|---|
| Sebaka / Folete ho ea ho Rolling | Ho fihlela ho 80,000 lbs | Brake ea Mosi / Brake ea Enjene e Bobebe | Lik'hilomithara tse fetang 250,000 |
| OTR / Lithaba | 80,000 liponto | Brake ea Enjene e Sebetsang ka Botlalo | Lik'hilomithara tse 150,000 – 200,000 |
| Mosebetsi o Matla / Mekhahlelo e Feteletseng | Liponto tse 105,500+ | Moqotli oa haeteroliki | Lik'hilomithara tse 120,000 – 150,000 |
Nako ea ho beha pele matla a ho lieha a phahameng kapa kopanyo e betere
Ka nqane ho matla a lipere a sa sebetseng hantle, bareki ba tlameha ho lekola kopanyo ea sistimi. Likoloi tsa sejoale-joale tsa khoebo li itšetlehile haholo ka Advanced Driver Assistance Systems (ADAS), ho kenyeletsoa le Collision Mitigation Systems (CMS) le Adaptive Cruise Control (ACC). Sistimi ea thuso ea braking e tlameha ho buisana hantle le li-suite tsena tsa elektroniki. Li-brake tsa enjene li kopana ka tlhaho le ACC e laoloang ke enjene, e fanang ka taolo e boreleli ea lebelo ntle le ts'ebetso ea brake ea pneumatic.
Ha ho etelletsoa pele matla a ho fokotsa lebelo a phahameng, dikepe tsa difofane di lokela ho amohela phetoho ya boima bo eketsehileng ba koloi. Mokganni wa ho fokotsa lebelo wa hydraulic o ka eketsa dikilogerama tse 150 ho isa ho tse 200 moleng wa ho kganna, e leng se fokotsang bokgoni bo boholo ba ho jara mojaro o moholo hanyane. Qetellong, kgetho pakeng tsa matla a ho fokotsa lebelo a phahameng le kopanyo e nolofaditsweng e itshetlehile ka hore na kotsi e ka sehloohong ya koloi ke ho jara boima bo feteletseng ba mocheso ho tloha ho theoheng ha dithaba ho sa kgaotseng kapa tlhoko ya taolo ya lebelo e iketsahallang ka bokgabane haholo sephethephetheng se fapaneng sa ditsela tse kgolo.
Lintlha tsa Bohlokoa
- Sebelisa braking e thusang e le mokhoa oa mantlha oa taolo ea lebelo ha ho theoloa nako e telele e le hore li-brake tsa motheo li lule li fumaneha bakeng sa ho ema ka tšohanyetso.
- Qoba ho sebelisa brake e tsoelang pele hobane mocheso oa teramo o kaholimo ho hoo e ka bang 250°C o ka baka ho fifala le ho fokotsa matla a ho emisa ka matla.
- Khetha gear e tlase ka ho lekaneng pele e theoha e le hore brake kapa retarder ea enjene e ka tšoara lebelo ntle le tšebeliso ea brake ea motheo khafetsa.
- Kenya li-brake tsa motheo nako le nako le ka tieo ha feela lebelo le feta sepheo se sireletsehileng, ebe u li lokolla ho lumella ho phola.
- Ho behella ha brake e thusang ho laolwa hantle ho ka eketsa bophelo ba ts'ebeletso ea brake ea motheo ho tloha ho lik'hilomithara tse ka bang 50,000-70,000 ho isa ho lik'hilomithara tse 200,000 kapa ho feta ts'ebetsong e boima.
- Hlahloba likamore tsa brake, li-adjuster tsa slack, li-caliper, li-lining, meropa, li-disc le likarolo tsa sistimi ea moea khafetsa hobane brake e thusang e sireletsa empa ha e nke sebaka sa sistimi e kholo ea brake.
Lipotso Tse Botsoang Khafetsa
Braking e thusang e sebelisetsoa eng maemong a malelele a ho theoha?
Ho becha ho thusang ho laola lebelo la koloi ka har'a enjene, mosi, kapa driveline kahoo li-brake tsa motheo li lula li pholile 'me li loketse ho ema ka tšohanyetso kapa ho fokotsa lebelo la ho qetela.
Ke hobane'ng ha bakhanni ba lokela ho qoba ho palama li-brake tsa tšebeletso ho theoha leralleng?
Tšebeliso e tsoelang pele ea brake-service e ka futhumatsa meropa kapa li-disc ho feta tekano, ea baka ho fela ha brake, ho senyeha ha lesela ka potlako, le tahlehelo e ka bang teng ea taolo ea koloi ha e theohela moepa.
Ho fela ha brake ho ka ba kotsi e kholo mochesong ofe?
Ho fifala ha brake ho ka qala ha mocheso oa teramo o feta hoo e ka bang 250°C (482°F), 'me ho chesa haholo ho feta 500°C (932°F) ho ka baka tšenyo ea karolo kapa kotsi ea mollo.
Na braking e thusang e ka nkela li-brake tsa motheo sebaka ka botlalo?
Tjhe. Li-brake tse thusang ke tsa taolo e tsoelang pele ea lebelo, ha li-brake tsa motheo li ntse li hlokahala bakeng sa ho emisa ka tšohanyetso, taolo ea lebelo le tlase, le ho emisa ka ho qetela.
Ho brake e thusang e nepahetseng ho fokotsa litšenyehelo tsa tlhokomelo ea likepe joang?
Ho sebelisa brake e thusang ka nepo ho ka eketsa bophelo ba brake ea motheo ka makhetlo a 'maloa, ho fokotsa ho chencha ha li-reline, nako ea ho se sebetse, le ho tsofala ha likarolo tse kang likamore tsa brake, li-caliper, li-pad, le li-slack adjuster.
Nako ea poso: Phuptjane-23-2026