Iyini ingalo ye-valve rocker kanye ne-tappet
Ingalo ye-valve yemoto ye-rocker kanye ne-tappet yizingxenye ezibalulekile ze-valve yenjini yemoto, futhi ngayinye yazo inomsebenzi othile nomthelela. .
Ingalo ye-rocker ye-valve
Ingalo ye-valve rocker iyingxenye ebalulekile yomshini we-valve yenjini, indima yayo eyinhloko ukusebenzisana ne-camshaft ukuze kuqinisekiswe ukuvulwa nokuvala okufika ngesikhathi kwe-valve, ukuze kuphothulwe inqubo yokudonsa nokukhipha umoya. Ingalo ye-rocker iyingalo enezingalo ezimbili enembobo ye-shaft emaphakathi njenge-fulcrum. Ingalo emfushane ifakwe isikulufu sokulungisa i-valve ohlangothini olulodwa, futhi ingalo ende inikezwe ubuso obusebenzayo be-arc ukuze iphushe i-valve.
I-Valve tappet
Umsebenzi oyinhloko we-tappet ye-valve ukudlulisa ukunyakaza namandla e-camshaft ku-push rod noma i-valve, futhi usunduze induku yokusunduza noma i-valve ukuze unqobe amandla esiphethu se-valve. I-tappet idinga ukumelana namandla angemuva asetshenziswa yi-CAM ngesikhathi sokusebenza futhi iwadlulisele emzimbeni noma ekhanda lesilinda. Ama-tappet angahlukaniswa abe ompompi abawumshini nabasebenza nge-hydraulic, ngalinye linesakhiwo nomsebenzi walo othize:
I-tappet engumshini : imvamisa yenziwa ngensimbi ye-alloy noma i-alloy cast iron enokumelana okuhle nokugqokwa. Isakhiwo silula kodwa imvume ye-valve idinga ukulungiswa njalo.
i-hydraulic tappet : Iqeda ngokuzenzakalelayo imvume ye-valve ngaphandle kokulungiswa futhi inciphisa umsindo wokudlulisela. I-tappet ye-hydraulic yakhiwe ngomzimba we-tappet, i-plunger kanye nesiphethu sesinxephezelo, njll., elungiswa ngokuzenzakalelayo ukucindezela kwamafutha kanye nesenzo sentwasahlobo .
Izimo ezithile zohlelo lokusebenza kanye nezinzuzo kanye nokubi
I-tappet yomshini : isakhiwo esilula, kodwa sidinga ukulungiswa njalo kanye nokulungiswa kwe-valve clearance. Kusebenza ezimeni ezingadingi ukulungiswa okuphezulu.
I-hydraulic tappet : isakhiwo esiyinkimbinkimbi kodwa singalungiswa ngokuzenzakalelayo, sinciphise umsebenzi wokulungisa, silungele ukwethembeka okuphezulu kanye nezidingo zomsindo wesigameko. I-tappet ye-hydraulic ilungiswa ngokuzenzakalelayo ngesenzo sokucindezela kawoyela nentwasahlobo, okungaqeda ukucaciswa kwe-valve futhi kunciphise umsindo wokudlulisela.
Iqhaza lengalo ye-valve rocker kanye ne-tappet ikakhulukazi ihlanganisa izici ezilandelayo:
Indima ye-tappet
Umsebenzi oyinhloko we-tappet ukudlulisa ukusunduza kwe-camshaft ku-push rod noma i-valve rod, bese uphusha induku yokusunduza noma i-valve ukuze unqobe amandla e-valve spring bese uhamba. Ngesikhathi esifanayo, ama-tappings abuye abe namandla aseceleni asetshenziswa ukujikeleza kwe-camshaft. I-tappet ingahlukaniswa ngezinhlobo ezimbili: i-tappet evamile kanye ne-hydraulic tappet:
i-tappet evamile : kufaka phakathi i-fungus tappet, i-tappet yomphongolo kanye ne-roller tappet. Ama-tappets avamile yizakhiwo eziqinile futhi azikwazi ukuqeda ngokuzenzakalelayo imvume ye-valve, ngakho-ke kuyadingeka ukulungisa imvume ye-valve njalo.
I-tappet ye-hydraulic : ingaqeda ukuphuma kwe-valve yenjini, asikho isidingo sokulungisa imvume ye-valve, futhi inganciphisa umsindo wokudlulisa we-valve yenjini. I-tappet ye-hydraulic ilungisa ngokuzenzakalelayo imvume ye-valve ngokusebenzisa ingcindezi kawoyela kanye nesenzo sesiphethu esinxephezelayo ukuze kuqinisekiswe ukuthintana okuseduze phakathi kwe-valve ne-CAM .
Iqhaza lengalo yerocker
Umsebenzi oyinhloko wengalo ye-rocker ukudlulisa amandla kusuka ku-push rod noma i-CAM kuya ku-valve ngemva kokushintsha isiqondiso ukuze ivuleke. Umhlangano wengalo ye-rocker uhlanganisa ingalo ye-rocker, i-rocker arm shaft, isihlalo sokusekela, isikulufu sokulungisa i-valve nezinye izingxenye. Lezi zingxenye zisebenza ndawonye ukuze kuqinisekiswe ukuvuleka nokuvala okunembile kwe-valve, ngaleyo ndlela zilawule inqubo yokukhipha neyokukhipha umoya nokuqinisekisa ukusebenza okuvamile kwenjini.
Umgomo othize wokusebenza
Lapho injini isebenza, i-crankshaft ishayela i-camshaft ukuze ijikeleze ngendlela yokudlulisela, futhi i-CAM ku-camshaft iphusha i-push rod noma i-valve ku-tashet. Lapho ingxenye ephakanyisiwe ye-CAM iphusha i-tappet, i-tappet idlulisela amandla ku-push rod noma i-valve, ivule i-valve. Ngokujikeleza kwe-CAM, i-valve ivalwa kancane kancane ngaphansi kwesenzo sentwasahlobo. Ingalo ye-rocker idlulisela amandla e-push rod noma i-CAM kuvalvu, iqinisekisa ukuthi ivalvu ivula futhi ivaleke ngokunembile.
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