Menene crankshaft yake yi? Babban aikin shine canza makamashin zafi na konewar mai a cikin motar zuwa injin motsa jiki mai jujjuyawar makamashi ta hanyar haɗin sandar crank, fitarwa zuwa akwatin gear, sannan a ƙarshe canja wurin makamashin zuwa ƙafafu don fitar da motar.

Bugu da kari, ayyukan crankshaft sun hada da:

1. Conveyor man lubrication da sanyaya haɗa sanda da piston fil.
Famfon mai da ke cikin injin yana fitar da man da ke cikin kaskon mai ta ramin mai da aka riga aka sarrafa a cikin crankshaft, sannan ya tura shi zuwa sandar haɗawa da sassan fistan fil ɗin friction, mai mai da sanyaya su, kuma yana ɗaukar tarkacen samarwa yayin motsi. . tafi. 2. Daidaita girgizar injin
Yawancin manyan motoci masu tsayi, ƙarancin jijjiga injin ɗin yana gudana kuma yana da sauƙi aikin. Wannan yana ban da hadarin da aka tsara kanta tare da daidaitaccen tsari, kuma nau'i biyu na daidaitawa crankshaft a ƙarƙashin crankshaft. An haɗa su tare da crankshaft ta hanyar gears kuma suna da dangantaka mai tsauri. Hanyar juyawa na nau'i-nau'i biyu na crankshafts ya bambanta, kuma gudun ya ninka na crankshaft.

3. Isar da saurin da bayanin kusurwa na crankshaft, wato, nuna bayanan kusurwa na kowane Silinda.
ECU na injin (Electronic Central Control Unit) na iya sarrafa bambance-bambancen lokaci na camshaft ta wannan bayanin kusurwa, daidaita lokacin buɗewa na ci da shaye-shaye; lissafta lokacin buɗewa na nozzles allurar mai a cikin kowane Silinda, don ƙara ƙarfin ƙarfi da rage hayaƙi. Tasiri.

4. Fitar da sauran sassan injin don juyawa.
Misali, sprocket na lokaci ko bel ɗin bel ɗin lokaci yana motsa camshaft don juyawa; yana motsa janareta don aiki, yana motsa famfo na ruwa don aiki; yana motsa fankar tankin ruwa don gudu, motsa na'urar sanyaya iskar mota don aiki, da dai sauransu, wanda shine tushen wutar lantarki ga sauran kayan aiki. 5. Har yanzu crankshaft yana gudana yayin da ake motsa mai a cikin kwanon mai don kwantar da hankali da zubar da ɗakin crankshaft.
Baya ga shafa wa bangon da ke ciki na Silinda, hakan na iya sa zafin da ke cikin injin ya ɗauke da man da ke watsawa ya bace ta cikin kwanon mai da toshewar injin ɗin. fita.