Motoci masu hana fashewa, a matsayin manyan kayan wuta, yawanci ana amfani da su don tuƙa famfo, fanfo, compressors da sauran injunan watsawa.Motar mai hana fashewashi ne mafi asali nau'i na fashewa-hujja mota, saboda da harsashi wadanda ba hatimce tsarin halaye, babban flammable iskar gas a cikin ma'adanin na kwal don isa wani takamaiman maida hankali iyaka, a lokacin da a lamba tare da harsashi na tartsatsin, arcs, mai hatsari high. yanayin zafi da sauran hanyoyin ƙonewa na iya fashewa; m zane shi ne don tabbatar da cewa mota ta fashewa-hujja harsashi ne ba kawai ba za a lalace ko maras kyau, da kuma fashewar harshen wuta ko zafi gas ta cikin rata tsakanin gidajen abinci wucewa, amma kuma ba zai iya ƙone kewaye fashewar gas gaurayawan. Wannan takarda ta haɗu da ka'idodin ƙasa da mahimman buƙatun ƙirar ƙirar injiniya, magana game da tsarin tsarin irin waɗannan injina, matsa lamba, sanyaya, abubuwa uku na abubuwan ƙira.
I. Fashe-hujjar girman ƙira la'akari
(1) Flat hadin gwiwa surface. Filayen haɗin gwiwa na jirgin sama gabaɗaya yana kan murfin akwatin layi da akwatin layi, allon tasha da ramukan kanti, ko a cikin injin sauya mitar a cikin harsashi mai sauya mitar da aikace-aikacen docking na harsashi. Large da matsakaici-sized fashewa-hujja motor harsashi jirgin hadin gwiwa surface ne kullum milling, m tsari, kasa nika tsari, da general zane roughness Ra 3.2μm, zane flatness haƙuri na ba fiye da 0.2mm. Bukatun daidaiton ƙira galibi suna sama da daidaitattun buƙatun don daidaiton mashin ɗin yana ɗan ƙasa da ma'auni na ƙasa, amma har yanzu sun cika ƙa'idodin ƙasa.
(2) Silindrical hadin gwiwa surface. Silindrical jan karfe haɗin gwiwa surface a cikin fashewa-proof mota za a iya amfani da shigarwa na USB haši, shigarwa na tashoshi da sauransu. Idan haɗin cylindrical ya ƙunshi tsagi mai rufewa, ba za a iya ƙididdige nisa na tsagi ba, ba za a iya ƙara nisa na ɓangaren ɓangaren ɓangaren ba. Mafi tattali da abin dogara wajen gane da cylindrical hadin gwiwa surface ga juya, da daidaito da zabin ne kullum rami machining matakin 8 ko 7, shaft machining ne don inganta daidaito na wani m matakin, da janar zane na roughness Ra 3.2μm. Lura: Silindrical haɗin gwiwa surface na fashewa-hujja sharewa yana nufin ramin, da shaft diamita bambanci.
(3) dakatar da farfajiyar haɗin gwiwa. A cikin ƙirar ƙirar motar da ke tabbatar da fashewa, ana shigar da madafunan ƙarewa, maƙallan ƙarewa, da sauransu. Dakatar da haɗin haɗin gwiwa shine ainihin haɗin halayen haɗin haɗin jirgin sama da cylindrical haɗin gwiwa. Ya kamata a lura da cewa, idan tasha Silinda sashi na rata ne ma babba ko kananan nisa, ko daidai kusurwa chamfer fiye da 1mm, wato, ta chamfer partition, sa'an nan kawai lissafta da nisa na jirgin hadin gwiwa surface L da nisa l; yayin da nisa l na filin haɗin gwiwa na jirgin sama ya yi ƙanƙanta ko tare da haɗin haɗin cylindrical tsakanin ɓangaren (fiye da 1mm chamfer ko shinge mai shinge, da dai sauransu), sannan kawai lissafta nisa na haɗin haɗin cylindrical.
(4) Shaft hadin gwiwa surface Shaft hadin gwiwa ne mai asali siffa na juyi Motors, ban da mota shaft da kuma karshen iyakoki tare da aikace-aikace, a wasu daga cikin bukatar shigar da ƙulli na fashewa-proof kayan lantarki da ake amfani da. Shaft haɗin gwiwa wani nau'i ne na musamman na haɗin gwiwar cylindrical, bambancin shine cewa jujjuyawar motar motsa jiki na fashe-hujja yana buƙatar tsarawa a cikin aikin al'ada na tsarin ba zai sa ba.
2.motar da ke hana fashewamatsa lamba zane la'akari
Motoci masu tabbatar da fashewa da injina na yau da kullun shine babban bambanci tsakanin harsashi dole ne su iya jure yanayin fashewar ciki, fashewa bai kamata ya faru ba lokacin da fashewar ba zata shafi nau'in fashewar nakasar dindindin ba ko lalata kowane bangare na rata. kada ya zama karuwa na dindindin. Yawancin lokaci yi amfani da gwajin hanyar matsa lamba a tsaye: a cikin harsashi cike da ruwa, matsa lamba zuwa 1MPa, riƙe da matsa lamba fiye da 10s, kamar babu yayyo ta bangon harsashi ko nakasar dindindin, ana ɗaukar gwajin gwajin wuce gona da iri.
Abubuwan da ke tabbatar da fashewar motsin motar musamman ta harsashi mai tabbatar da fashe, madaidaitan harsashi, flanges, da sauransu, ƙirar yakamata ta mai da hankali kan ƙarfinsu da daidaitawa. Dangane da tsarin harsashi mai tabbatar da fashewa: harsashi mai fashewar siliki, harsashi mai fashe fashe, da sauransu, hanyar lissafin ta bambanta; babbar hanyar ƙididdige ƙididdiga da ƙididdiga masu iyaka na hanyoyin biyu; Ƙididdigar ƙididdiga suna da wuyar ƙididdige damuwa na gida daidai; Amma tsararren bincike na kashi ya fi sauri kuma mai illa don samun duk tsarin yanayin damuwa, ingantawa da ƙirar, don gujewa ƙirar gwaje-gwajen da ke haifar da lalacewar lalacewar.