Duk abin yankan buroshi, injin yankan gas, masu busawa da sarƙoƙi suna amfani da injin piston wanda yayi kama da mahimmin abin da ake amfani da shi akan motoci.Akwai bambance-bambance, duk da haka, musamman a cikin amfani da injunan zagaye biyu a cikin sarkar sarkar da ciyawar ciyawa.
Yanzu bari mu fara a farkon mu ga yadda injinan sake zagayowar biyu da na gama gari suke aiki.Wannan zai taimaka maka sosai fahimtar abin da ke faruwa lokacin da injin ba ya aiki.
Injin yana haɓaka ƙarfi ta hanyar kona cakuda man fetur da iska a cikin wani ƙaramin shinge da ake kira ɗakin konewa, wanda ke nunawa a hoton.Yayin da man da ake haɗewa yana ƙonewa, yakan yi zafi sosai kuma yana faɗaɗa, kamar yadda mercury da ke cikin ma'aunin zafi da sanyio ya faɗaɗa ya hau kan bututu idan zafinsa ya tashi."
An rufe ɗakin konewa ta bangarori uku, don haka cakuda iskar gas mai faɗaɗa zai iya tura hanyarsa ta hanya ɗaya kawai, ƙasa akan filogi mai suna piston-wanda ke da madaidaicin zamewa kusa a cikin silinda.Ƙarƙashin ƙasa a kan piston makamashin inji ne.Sa’ad da muke da ƙarfin madauwari, za mu iya juya abin yankan buroshi, sarƙoƙi, injin busa dusar ƙanƙara, ko kuma ƙafafun mota.
A cikin jujjuyawar, an haɗa piston zuwa crankshaft, wanda aka haɗa shi zuwa ƙugiya tare da sassan sassan.Wurin ƙwanƙwasa yana aiki kamar fedals da babban sprocket akan keke.
Lokacin da kake hawan keke, matsi na ƙasa na ƙafar ƙafa akan feda yana canzawa zuwa motsi madauwari ta madaidaicin ƙafar ƙafa.Matsin ƙafar ƙafarka yana kama da makamashin da cakuda mai mai ƙonewa ya haifar.Fedalin yana yin aikin fistan da sandar haɗi, kuma shingen feda yana daidai da crankshaft.Bangaren karfen da silinda ke gundura shi ake kira blocking engine, sannan kuma bangaren da ake dora crankshaft a ciki shi ake kira crankcase.An kafa ɗakin konewa a sama da silinda a cikin murfin karfe don silinda, wanda ake kira shugaban silinda.
Yayin da aka tilastawa sandar haɗin piston, kuma tana turawa a kan crankshaft, dole ne ta juya baya da baya.Don ba da izinin wannan motsi, ana ɗora sandan a cikin bearings, ɗaya a cikin fistan, ɗayan a wurin haɗinsa zuwa crankshaft.Akwai nau'ikan bearings da yawa, amma a kowane yanayi aikinsu shine tallafawa kowane nau'in ɓangaren motsi wanda ke ƙarƙashin kaya.A cikin yanayin sandar haɗi, nauyin yana daga piston mai motsi zuwa ƙasa.Juya tana zagaye da santsi sosai, kuma ɓangaren da ke ɗauke da ita shima dole ya zama santsi.Haɗin shimfidar wuri mai santsi bai isa ba don kawar da juzu'i, don haka mai dole ne ya sami damar shiga tsakanin ɗaukar hoto da ɓangaren da yake tallafawa don rage juzu'i.Mafi yawan nau'in juzu'i shine zane na fili, zobe mai santsi ko watakila rabin harsashi biyu waɗanda ke samar da cikakkiyar zobe, kamar a cikin ll.
Duk da cewa sassan da ke kulle tare ana sarrafa su a hankali don matsi sosai, yin injin kawai bai isa ba.Dole ne a sanya hatimi sau da yawa a tsakanin su don hana zubar iska, mai ko mai.Lokacin da hatimi wani yanki ne mai lebur, ana kiransa gasket.Kayan gasket na yau da kullun sun haɗa da roba roba, abin toshe kwalaba, fiber, asbestos, ƙarfe mai laushi da haɗuwa da waɗannan.Ana amfani da gasket, alal misali, tsakanin kan silinda da toshe injin.Da kyau, ana kiran shi da gasket shugaban silinda.
Yanzu bari mu dubi ainihin aikin injin petur, wanda zai iya zama nau'i biyu: zagaye na bugun jini ko bugun jini hudu.
Lokacin aikawa: Janairu-11-2023