Injin crankshaft flywheel abubuwan rukuni
Na farko, crankshaft
Crankshaft yana daya daga cikin mahimman sassa na injin, aikinsa shine jure wa matsin lamba na iskar gas daga rukunin sanda mai haɗa piston a cikin juzu'i na crankshaft da fitarwa na waje, ƙari kuma, ana amfani da crankshaft don fitar da injin bawul ɗin injin. da sauran na'urori masu taimako (kamar janareta, fanfo, famfo na ruwa, famfo mai sarrafa wutar lantarki, injin ma'aunin ma'auni, da sauransu)
Ƙungiya ta ƙwanƙwasa: 1- ja;2- crankshaft timing hakori bel dabaran;3- sprocket crankshaft;4- Crankshaft;5- crankshaft main bearing (saman);6- Tashin tashi;7- Mai samar da siginar firikwensin sauri;8, 11- kushin turawa;9- crankshaft main bearing (kasa);10- Crankshaft main bearing cover.
Lokacin da crankshaft yana aiki, dole ne ya jure wa canje-canje na lokaci-lokaci a cikin matsa lamba na gas, mai jujjuya ƙarfin inertial da ƙarfin centrifugal, kazalika da jujjuyawar su da lokacin lanƙwasawa a ƙarƙashin babban aiki mai sauri, mai sauƙin lanƙwasa da karkatarwa, sabili da haka, crankshaft ya kamata ya sami isasshen ƙarfi. da taurin kai, kyawawa juriya mai kyau da ma'auni mai kyau.Gabaɗaya crankshaft ɗin an yi shi da matsakaicin ƙarfe na carbon alloy, kuma ana kula da farfajiyar mujallar ta hanyar ƙara mai ƙarfi ko nitriding.Shanghai Santana engine crankshaft da aka yi da high quality-matsakaicin carbon karfe mutu ƙirƙira.Injunan Audi JW da Yuchai YC6105QC an yi su ne da ƙarancin farashi, ƙarfe mai ƙarfi mara ƙarfi na ƙasa mai ƙarfi tare da juriya mai kyau.
1. Tsarin crankshaft
Gabaɗaya crankshaft ya ƙunshi ƙarshen gaba, babban wuyan shaft, crank, counterweight, jarida mai haɗa sanda da ƙarshen baya.crank yana kunshe da mujallar sanda mai haɗawa da manyan mujallun hagu da dama.Yawan crank na crankshaft ya dogara da lamba da tsari na cylinders.Ƙwaƙwalwar injin silinda guda ɗaya yana da crank guda ɗaya kawai;Yawan crank na crankshaft na in-line engine yana daidai da adadin cylinders;Yawan cranks a cikin crankshaft na injin V daidai yake da rabin adadin silinda.Ƙarshen gaba-gaba na crankshaft yana sanye da kayan kwalliya, kayan aiki na lokaci, da dai sauransu, wanda ake amfani da shi don fitar da famfo na ruwa da injin bawul.An shigar da wuyan igiya na crankshaft a cikin babban wurin zama na jikin silinda kuma ana amfani dashi don tallafawa crankshaft.Ana amfani da jarida mai haɗawa don shigar da sandar haɗi, kuma crank yana haɗa babban jarida mai haɗawa tare da jarida mai haɗawa.Don daidaita ƙarfin centrifugal lokacin da crankshaft ya juya, ana ba da ma'auni na ma'auni a kan crankshaft.Ana samar da flange mai haɗawa a ƙarshen ƙarshen crankshaft don haɗa ƙafar tashi zuwa crankshaft ta kusoshi.Don sanya mai mai haɗawa jarida mai haɗawa, ana hakowa nassi mai mai daga babban jaridar shaft zuwa jarida mai haɗawa.Haɗin crankshaft yana da sauƙi a cikin tsari, haske cikin nauyi kuma abin dogaro a cikin aiki, kuma gabaɗaya yana ɗaukar bege na fili, waɗanda ake amfani da su a cikin matsakaici da ƙananan injuna.
2. Layout ka'idar crank
Siffar crankshaft da matsayi na dangi na kowane crank yafi dogara ne akan adadin silinda, tsarin silinda da tsarin aiki na kowane Silinda.Lokacin shirya jerin aikin injin, ya kamata a bi ka'idodi masu zuwa gwargwadon iko:
Yi aikin silinda guda biyu na ci gaba da aiki har zuwa nesa kamar yadda zai yiwu don rage nauyin babban ɗawainiya, da kuma guje wa faruwar buɗaɗɗen bawuloli guda biyu da ke buɗewa a lokaci guda yayin aikin ci, kuma abin da ya faru na "haguwar iska" yana rinjayar hauhawar farashin kaya. ingancin injin.
(1) Matsayin tazarar aiki na kowane Silinda yakamata ya zama daidai don sauƙaƙe aikin injin.A cikin kusurwar crankshaft wanda injin ya kammala aikin sake zagayowar, kowane Silinda yakamata yayi aiki sau ɗaya.Don injin bugun bugun jini huɗu tare da lambar Silinda i, tazarar tazarar kwana na aiki shine 720°/i.Wato, kowane 720°/i na crankshaft ya kamata ya kasance yana da silinda don aiki don tabbatar da cewa injin yana aiki lafiya.
(2) Idan injin nau'in V ne, ginshiƙan hagu da dama na silinda yakamata su canza aiki.
3. Common Multi-Silinda injin crank tsari da aiki domin
Tsare-tsare na crankshaft da crank na in-line guda hudu injin bugun jini.Matsakaicin aikin kwana na in-line hudu-Silinda hudu-bugun jini engine ne 720 °/4=180 °, hudu crank an shirya a cikin wannan jirgin sama, da engine aiki jerin (ko ƙonewa jerin) ne 1-3- 4-2 ko 1-2-4-3.Na'urar matsar sake zagayowar da aka saba amfani da ita tana da kushin matsar madauwari mai gefe guda tare da shingen ƙarfe na hana gogayya, babban ƙugiya mai ɗaukar hoto tare da flanging da zoben bugun zagaye yana da nau'i uku.Kushin turawa wani takarda ne na karfe na rabin zobe tare da madaidaicin alloy Layer a waje, wanda aka shigar a cikin tsagi na jiki ko babban murfin ɗaukar hoto.Don hana jujjuya kushin turawa, kushin turawa yana da kumbura a cikin tsagi.Wasu mashin turawa suna amfani da guda 4 don samar da ingantattun iyakoki guda biyu, wasu kuma suna amfani da iyakoki guda 2.Gefen da karfen hana gogayya yakamata ya fuskanci crankshaft.
Zhuo Meng Shanghai Auto Co., Ltd. ya jajirce don siyar da sassan motoci na MG&MAUXS maraba da siyarwa.
