Kuyini ukuhlanganiswa kweketanga lesikhathi semoto
Ukuhlanganiswa kweketanga lesikhathi sezimoto kuyingxenye ebalulekile eqhuba isitimela se-valve yenjini. Yenziwe ngensimbi enamandla amakhulu futhi ixhuma i-crankshaft kanye ne-camshaft ngeketanga ukuze ziqhubeke zisebenza ngokuvumelana, ukuqinisekisa ukuthi ama-valve okungenisa kanye nawokukhipha avuleka noma avalwa ngesikhathi esifanele, okuvumela amasilinda enjini ukuthi angene futhi akhiphe umoya ngendlela evamile.
Umsebenzi oyinhloko
Ukuhlanganiswa kweketanga lesikhathi kuhlobene ngqo nokusebenza kahle kanye nokuqina kwenjini. Isilinganiso sayo sokudlulisa esinembile siqinisekisa ukuthi ukuvulwa nokuvalwa kwamavalvu kuhambisana nokuhamba kwepiston, okugwema amaphutha amakhulu njengokuthinteka kwevalvu episton.
Izici zesakhiwo
Ngokuvamile yenziwe ngensimbi ye-alloy futhi inokumelana nokushisa okuphezulu kanye nokumelana nokuguguleka. Amanye amamodeli asebenzisa amaketanga okugoqa noma amaketanga anamazinyo ukunciphisa umsindo.
Izici zokulungisa
Uma kuqhathaniswa namabhande esikhathi, amaketanga esikhathi awanakekelwa kukho konke ukuphila kwawo, kanti isikhathi sokuphila sivame ukufika kumakhilomitha angu-300,000 kuya ku-500,000. Kodwa-ke, kudingeka ukuhlolwa njalo kokuguga nokuxega.
Ukuhlanganiswa kweketanga lesikhathi sezimoto kuyingxenye eyinhloko yesitimela se-valve senjini. Umsebenzi wayo oyinhloko ukulawula ngokunembile isikhathi sokuvulwa nokuvalwa kwama-valve okungenisa nawokukhipha, ukuqinisekisa ukungena nokukhipha okuvamile kwamasilinda, ngaleyo ndlela kugcinwe ukushelela kokusebenza kwenjini kanye nokukhishwa kwamandla.
Umsebenzi oyinhloko
Ukuzungeza kwe-crankshaft kanye ne-camshaft kuvumelaniswa ngokunembile ngohlelo lokushayela uchungechunge (kufaka phakathi amagiya, amadivayisi okucindezela, njll.), kuqhuba ngokuqinile ukuvulwa nokuvalwa kwamavalvu ngokwe-Angle yesigaba esisethwe ngaphambilini, futhi kwakha ukuhambisana okuphelele nokunyakaza kwepiston. Uma kukhona ukuphambuka esikhathini sokuvulwa noma ukuvalwa kwevalvu, kungaholela emaphutheni amakhulu njengokushaqeka kwamandla kanye nomthelela wevalvu episton.
Izici zesakhiwo
Iketanga lenziwe ngensimbi enamandla kakhulu futhi lifakwe uhlelo lokucindezela i-hydraulic ukulungisa ngokuzenzakalelayo ukuqina, kunciphisa ingozi yokweqa amazinyo. Izinsimbi zokuqondisa izinto ezihlanganisiwe ezingagugi zinciphisa ukulahlekelwa ukungqubuzana futhi ziqinisekise ukusebenza okuzinzile kwesikhathi eside. Amanye amamodeli (njengenjini ye-EA888) afaka nezingxenye ezisizayo njengezintambo zokulinganisa kanye nezintambo zepompo kawoyela, ezenza ngcono ukushelela kwenjini futhi zinciphise umsindo wokusebenza.
Izidingo zokulungisa
Kudingeka ukuhlolwa okuvamile (njengokubuka imifantu, ukuguguleka, imisindo engavamile, njll. ngesikhathi sokulungiswa ngakunye). Umjikelezo wokushintsha uyahlukahluka kuye ngemodeli futhi ngokuvamile awudingi ukunakekelwa impilo yonke noma usethwe ngokwencwadi yemiyalelo yomkhiqizi (isibonelo, kuma-brand e-Volkswagen, ukushintshwa kuyadingeka uma iphutha lidlula ±3°). Lapho ushintsha, kunconywa ukuthuthukisa izingxenye ezithuthukisiwe ngasikhathi sinye futhi uqaphe isimo sephampu kawoyela.
Amaphutha ekuhlanganisweni kwe-timing chain ngokuvamile aholela kulezi zimpawu ezilandelayo:
Umsindo ongajwayelekile ovela enjinini
Uma kuqala ukubanda, kungase kube nomsindo wokungqubuzana kwensimbi ofana nokuthi "quack quack" noma "dada dada", futhi umsindo ungase unyamalale ngemva kokuba imoto isifudunyeziwe. Uma ushayela ngesivinini esikhulu, ukunyathela i-accelerator kungase kuhambisane nomsindo wokungqubuzana kwensimbi oqinisiwe.
Amandla anganele
Uma kusheshiswa, amandla aphumayo ayancipha, ukusheshisa akusheleli, futhi kwenzeka ngisho nokuzamazama nokuma.
Ubunzima ekuqaleni
Kungase kube nezimo lapho ihluleka ukuqala noma ingakwazi ukuqhubeka nokusebenza ngemva kokuqala.
Ukusetshenziswa kukaphethiloli okwandisiwe
Ukwehla kokusebenza kahle kokushisa kuholela ekwandeni okukhulu kokusetshenziswa kukaphethiloli, kanti ukusetshenziswa kukawoyela wenjini nakho kuzokwenyuka.
Ukukhishwa komoya ongcolile okungajwayelekile
Ukukhishwa kwezinto ezingcolisayo kudlule izinga elibekiwe, futhi inani legesi yokukhipha ugesi emnyama nephunga elimnandi likhuphukile.
Indlela yokuhlola
I-Youdaoplaceholder0 Lalela umsindo : lalela umsindo wokungqubuzana kwensimbi ngesikhathi sokuqala okubandayo;
I-Youdaoplaceholder0 Linganisa ukunwebeka kweketanga : Sebenzisa isikali sesipilingi ukuthola. Uma lidlula ubude obubekiwe, lidinga ukushintshwa.
I-Youdaoplaceholder0 Hlola izinga lokuguga : Sebenzisa i-vernier caliper ukukala ukuguguleka kwe-sprocket/camshaft. Uma idlula umkhawulo, idinga ukushintshwa.
Uma kuvela izimpawu ezingenhla, kunconywa ukuthi injini ihlolwe futhi ilungiswe ngesikhathi esifanele ukuze kugwenywe umonakalo omkhulu enjinini obangelwa ukwehluleka kwe-timing chain.
I-timing chain assembly yonakele futhi idinga ukulungiswa ngokushesha; ngaphandle kwalokho, ingabangela umonakalo enjinini noma ivimbele imoto ukuthi iqale. Lokhu okulandelayo ulwazi olubalulekile kanye nezinyathelo zokuzivikela:
Imiphumela yomonakalo
Ukulimala kokuhlanganiswa kwe-timing chain kungaholela ezikhathini ezingavamile zokuvula nokuvala kwamavalvu enjini, okubangela izinkinga ezifana nokwehla kwamandla okukhipha, ukusheshisa okubuthakathaka, kanye nokusetshenziswa kukaphethiloli okwandisiwe. Ezimweni ezimbi kakhulu, kungabangela ukuthi injini ingakwazi ukuqala noma yonakale ngqo.
Iziphakamiso zokulungisa
Kudingeka abasebenzi abangochwepheshe bahlole futhi bashintshe i-assembly (kufaka phakathi amaketanga, ama-sprocket, ama-tensioner nezinye izingxenye). Ngemva kokulungisa, kufanele kwenziwe ukulungisa amaphutha okuphelele ukuqinisekisa ukunemba kwesikhathi se-valve. Umjikelezo wokushintsha uvame ukuba ngamakhilomitha ayi-150,000 kuya ku-200,000, kodwa udinga ukulungiswa ngokwesimo sangempela sokuguguleka.
Izimpawu ezivamile
I-Youdaoplaceholder0 Umsindo ongajwayelekile : Umsindo wokungqubuzana "okhalayo" noma ukudlidliza okungavamile kwenzeka ngesikhathi sokusebenza kwenjini.
Ukwehla kwamandla e-Youdaoplaceholder0: ukusheshisa okubi, ukusetshenziswa kukaphethiloli okwandisiwe.
I-Youdaoplaceholder0 Ubunzima bokuqalisa : I-valve ayikwazi ukuvula ngokujwayelekile, okungase kuholele ekuhlulekeni kokuqala.
I-Youdaoplaceholder0 Ukusetshenziswa kwamafutha okungajwayelekile : Kungase kuhambisane nokwehla kwenani lamafutha noma ukuwohloka kwekhwalithi yamafutha.
Kunconywa ukuthi uxhumane nesikhungo sokulungisa esingochwepheshe ngokushesha lapho uthola izimpawu ezingenhla ukuze ugweme ukuziqaqa okungase kubangele umonakalo wesibili.
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