Umuyoboro w'amashanyaraziuburyo bwo kuvura amakosa amashanyarazi agomba gutekerezwa
Impamvu za valve yamashanyarazi ni:
(1) Umuyoboro wo kugenzura uhagarikwa n imyanda (umuyoboro muto, byoroshye guhagarika);
(2) Piston yagumye mumwanya kubera ingese; Nubwo igice cyo hejuru cyingufu, ariko ntigishobora kumanuka, ntigishobora gufungura umuyoboro nyamukuru. Kubwibyo, piston yumuvuduko ugabanya valve igomba gushyirwaho mbere yo kuyungurura; Kubintu bishya byashizweho cyangwa birebire byo gukoresha umuvuduko ugabanya valve, menya gufungura ubugenzuzi no gukora isuku.
Ikosa rya kabiri, valve igororotse, ntishobora kugabanya umuvuduko.
Impamvu ni:
Pist Piston yometse kumwanya runaka (ntabwo ari umwanya);
Stem Uruti rwa valve nkuru rwometse kumwanya runaka (ntabwo ari umwanya uhamye) mumwobo uyobora disiki ya silinderi;
③ Isoko munsi ya disiki ya valve nyamukuru yamenetse cyangwa yananiwe;
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Kunanirwa kwa Diaphragm kubera umunaniro cyangwa kwangirika. Kubirindiro byingutu, kugenzura buri gihe bigomba gushimangirwa. Niba habonetse umwanda, ingese zigomba kuvaho mugihe; Kwangiza impeta ya piston bigomba kuvugururwa; Kunanirwa kw'impeshyi bigomba gusimburwa nibikoreshwa; Niba ikidodo kidafunze, kigomba kongera kuba hasi; Diaphragm ntabwo ikora kugirango isimbure; Nyuma yo kuyikoresha, niba byemejwe ko ikiganza cya valve ari kinini, koresha sandpaper kugirango uyisige.
Bitatu, igitutu nyuma ya valve ntishobora guhinduka. Usibye impamvu zavuzwe haruguru,
Kandi:
Kugenga kunanirwa kw'impeshyi;
(2) Cap cap seam yamenetse, ntishobora gukomeza umuvuduko. Amapompo yo gutumiza mu mahanga
Ibi kandi biterwa no kugenzura no kuvura mugihe kugirango wirinde. Mubyongeyeho, hariho phenomenon, ni valve inyuma yumuvuduko wimpanuka yumuvuduko, udahungabana cyane. Iri ni itandukaniro riri hagati yinjiza nuburyo busohoka ni nini cyane, bityo diameter ya valve igomba kongera gutoranywa. Hariho n'impamvu yo kudahungabana k'umuvuduko nyuma ya valve nuko isoko yo guhinduka idatoranijwe neza; Umuvuduko wizina ugabanya valve, kugenga isoko ifite byinshi, nkumuvuduko wizina ni 16 kg / cm2, kugenzura isoko hari kg 1-3 / cm2, 2-8 kg / cm2, 7-11 kg / cm2 eshatu, niba valve nyuma yumuvuduko kg 1-3 kg / cm2 gusa, nisoko ni 7-11 kg / cm2 yibyo, Umuvuduko uri inyuma ya valve ntabwo uhinduwe neza.
2, bumwe mu bwoko bwamasoko yumutekano wananiwe kunanirwa, gufunga hejuru yubutaka.
Impamvu ni:
(1) Hariho izuba hagati yubuso bwa kashe;
Surface Ubuso bwa kashe bwangiritse. Ubu buryo bwo kunanirwa bugomba gukumirwa no kubungabunga buri gihe.
Ikosa rya kabiri, ibyiyumvo ntabwo biri hejuru.
Impamvu ni:
Figue umunaniro;
Gukoresha nabi isoko. Isoko irarambiwe kandi ntagushidikanya ko igomba gusimburwa. Gukoresha nabi amasoko, ni uyikoresha ntabwo yitaye kumuvuduko wizina wubwoko bwumutekano wimpanuka, hariho ibice byinshi byingutu, buri gice cyumuvuduko gifite isoko ihuye. Nkumuvuduko wizina kuri 16 kg / cm2 yumutekano wumutekano, gukoresha igitutu ni 2,5-4 kg / cm2 igice cyumuvuduko, gushiraho 10-16 kg / cm2 isoko, nubwo ishobora no gukora ifungura, ariko hejuru kandi hasi, cyane.
6.2.3 Amakosa asanzwe ya cheque valve cyangwa cheque valve arimo:
Kumena disiki;
Back Hagati yinyuma. Impamvu yo kumeneka kwa disiki nuko igitutu giciriritse mbere na nyuma yo kugenzura valve iri muburyo buringaniye kandi hagati ya "saw", disikuru ikubita intebe, hamwe nibikoresho bimwe byoroshye (nk'icyuma, umuringa, nibindi) byakozwe ya disiki izavunika. Inzira yo gukumira ni ugukoresha disiki nkibikoresho byangiritse bya cheque valve.
Impamvu zitera dielectric gusubira inyuma nizi zikurikira:
Kwangiza ubuso bwa kashe;
Shyira umwanda. Sana hejuru yikidodo kandi usukure umwanda kugirango wirinde gusubira inyuma. Ibisobanuro byavuzwe haruguru byamakosa asanzwe nuburyo bwo gukumira birashobora kugira uruhare gusa. Mugukoresha nyabyo, hazabaho andi makosa. Kugirango wirinde ko habaho amakosa ya valve mubikorwa kandi byoroshye, icyibanze ni ukumenyera imiterere, ibikoresho nibikorwa byihame.
Umuyoboro w'amashanyarazi ugomba gutekereza
Mubikorwa byubwubatsi, guhitamo neza amashanyarazi ni kimwe mubisabwa kugirango wuzuze ibisabwa. Niba amashanyarazi akoreshwa adatoranijwe neza, ntabwo bizagira ingaruka kumikoreshereze, ariko kandi bizana ingaruka mbi cyangwa igihombo gikomeye, kubwibyo, icyuma cyamashanyarazi kigomba gutoranywa neza mugushushanya imiyoboro.
Ubwa mbere, ibidukikije bikora bya valve yamashanyarazi
Usibye ibipimo by'imiyoboro, hakwiye kwitabwaho cyane cyane ibidukikije byangiza ibidukikije byamashanyarazi, kubera ko igikoresho cyamashanyarazi muri valve yamashanyarazi ari ibikoresho bya mashini na mashanyarazi, kandi imikorere yacyo bigira ingaruka cyane kubikorwa byayo. Mubisanzwe, valve yamashanyarazi iri mubikorwa bikurikira:
1. Gushyira mu nzu cyangwa gukoresha hanze hakoreshejwe ingamba zo kubarinda;
2, gushiraho hanze, umuyaga, umucanga, imvura, izuba nandi masuri;
3, hamwe na gaze yaka, iturika cyangwa ibidukikije;
4, agace gashyushye nubushuhe, ibidukikije bishyuha;
5, ubushyuhe bwumuyoboro uhuza ni hejuru ya 480 ℃ cyangwa hejuru;
6, ubushyuhe bwibidukikije buri munsi -20 ℃;
7. Biroroshye kurengerwa cyangwa kwibizwa mumazi;
8, hamwe nibikoresho bya radiyoyoka (amashanyarazi ya kirimbuzi nibikoresho byo gupima ibikoresho bya radio) ibidukikije;
9. Ibidukikije ku bwato cyangwa ku kivuko (hamwe na spray yumunyu, ifu, ubushuhe);
10, hamwe n'ibihe byo kunyeganyega bikabije;
11, bakunda guhura n'umuriro; Kuri valve yamashanyarazi mubidukikije byavuzwe haruguru, imiterere yibikoresho byamashanyarazi, ibikoresho ningamba zo gukingira biratandukanye. Kubwibyo, ibikoresho byamashanyarazi bihuye bigomba gutoranywa ukurikije ibidukikije byavuzwe haruguru.
Babiri, amashanyarazi akenewe
Ukurikije ibisabwa byo kugenzura ibyubuhanga, imikorere yo kugenzura valve yamashanyarazi irangizwa nigikoresho cyamashanyarazi. Intego yo gukoresha valve yamashanyarazi nugukingura, gufunga no guhindura imiyoboro ya valve kugirango ugere kumashanyarazi adasanzwe cyangwa kugenzura mudasobwa. Kugeza ubu gukoresha ibikoresho byamashanyarazi ntabwo ari ukuzigama abakozi gusa. Kuberako imikorere nubuziranenge bwibicuruzwa byabakora ibicuruzwa bitandukanye biratandukanye, kubwibyo, guhitamo ibikoresho byamashanyarazi no guhitamo indangagaciro ningirakamaro kumushinga.
Bitatu, kugenzura amashanyarazi ya valve
Bitewe no gukomeza kunoza urwego rwibisabwa byogukora inganda, kuruhande rumwe, gukoresha amashanyarazi menshi kandi menshi, kurundi ruhande, ibisabwa byo kugenzura ibyuma byamashanyarazi bigenda byiyongera kandi hejuru, byinshi kandi bigoye. Umuyoboro w'amashanyarazi rero muruhande rwo kugenzura amashanyarazi igishushanyo nacyo gihora kivugururwa. Hamwe niterambere ryubumenyi nikoranabuhanga no kumenyekanisha mudasobwa, uburyo bushya kandi butandukanye bwo kugenzura amashanyarazi bizagaragara buri gihe. Kugirango harebwe uburyo rusange bwo kugenzura amashanyarazi, hagomba kwitonderwa guhitamo uburyo bwo kugenzura ububiko bwamashanyarazi. Kurugero, ukurikije ibikenewe byumushinga, haba gukoresha uburyo bwo kugenzura hagati, cyangwa uburyo bumwe bwo kugenzura, niba guhuza nibindi bikoresho, kugenzura porogaramu cyangwa kugenzura porogaramu ya mudasobwa, n'ibindi, ihame ryayo ryo kugenzura riratandukanye. * Yatanzwe nu ruganda rukora ibikoresho byamashanyarazi ni ihame risanzwe ryo kugenzura amashanyarazi, bityo ishami ryabakoresha rigomba kumenyekanisha tekinike hamwe nuwakoze ibikoresho byamashanyarazi kugirango asobanure neza tekiniki. Mubyongeyeho, mugihe duhitamo ibyuma byamashanyarazi, dukwiye gusuzuma niba twagura amashanyarazi yinyongera. Muri rusange, abagenzuzi bagurwa ukwe. Mubihe byinshi, mugihe hagenzuwe igenzura rimwe, birakenewe kugura umugenzuzi, kuko kugura umugenzuzi biroroshye kandi bihendutse kuruta ibishushanyo mbonera byabakoresha. Mugihe imikorere yo kugenzura amashanyarazi idashobora kuzuza ibisabwa byubushakashatsi, bigomba gusabwa uwabikoze kugirango ahindurwe cyangwa yongeye gushushanya.
Igikoresho cyamashanyarazi nigikoresho cyingirakamaro kugirango tumenye gahunda ya valve igenzura, igenzura ryikora kandi igenzura kure. Igikorwa cyacyo gishobora kugenzurwa na stroke, torque cyangwa ubunini bwa axial. Kuberako ibiranga akazi nigipimo cyikoreshwa ryibikoresho byamashanyarazi ya valve biterwa nubwoko bwa valve, ibisobanuro byakazi byigikoresho hamwe numwanya wa valve mumiyoboro cyangwa ibikoresho, guhitamo neza ibikoresho byamashanyarazi ya valve bifite akamaro kanini kuri irinde kurenza urugero (torque ikora irarenze kugenzura umuriro). Mubisanzwe, guhitamo neza ibikoresho byamashanyarazi ya valve bishingiye kubikurikira:
Gukoresha torque Gukoresha torque nikintu nyamukuru cyo guhitamo ibikoresho byamashanyarazi ya valve. Ibisohoka bisohoka mubikoresho byamashanyarazi bigomba kuba inshuro 1.21.5 yumuriro munini ukora wa valve.
Hano haribintu bibiri byingenzi byimikorere yamashanyarazi yamashanyarazi: imwe ntabwo igizwe na disiki ya disiki, isohoka itaziguye; Ibindi ni iboneza rya disiki ya disikuru, ibisohoka bisohoka binyuze muri disiki ya stem stem nut mubisohoka.
Umubare wo guhinduranya ibintu bisohoka shaft yibikoresho byamashanyarazi ya valve bifitanye isano na diameter nominal yikibaho cya valve numubare winsanganyamatsiko. Irabarwa ukurikije M = H / ZS (M numubare wuzuye wimpinduka igikoresho cyamashanyarazi kigomba guhura, H nuburebure bwugurura bwurudodo rwimodoka, S ni ikibanza cyurudodo rwibiti, Z ni umubare wa valve stem thread).
Diameter yikibaho Kuri byinshi-bifunguye-bifungura-ibiti, niba diameter nini nini yemewe nigikoresho cyamashanyarazi idashobora kunyura mumashanyarazi, ntishobora guteranyirizwa mumashanyarazi. Kubwibyo, umurambararo wimbere wibisohokayandikiro bisohoka byigikoresho cyamashanyarazi bigomba kuba binini kurenza diametre yinyuma yikibabi cyafunguye-inkoni. Kubintu bimwe bizunguruka hamwe ninkoni yijimye yijimye mubibumbano byinshi, nubwo bidakenewe gusuzuma ikibazo cyo kunyura kumurambararo wa diameter, diameter stem nini nubunini bwinzira nyamukuru bigomba gutekerezwa byuzuye muguhitamo , kugirango valve ibashe gukora bisanzwe nyuma yo guterana.
Niba gufungura no gufunga umuvuduko wibisohoka byihuta byihuta, biroroshye kubyara amazi percussion phenomenon. Kubwibyo, gufungura no gufunga umuvuduko bikwiye bigomba guhitamo ukurikije uburyo butandukanye bwo gukoresha.
Igikoresho cyamashanyarazi gifite ibyangombwa byihariye, ni ukuvuga, bigomba kuba bigabanya kugabanya umuriro cyangwa imbaraga za axial. Mubisanzwe, igikoresho cyamashanyarazi ya valve ikoresha guhuza imipaka. Iyo ibisobanuro by'igikoresho cy'amashanyarazi byagenwe, igenzura ryacyo rigenwa. Mubisanzwe mugihe cyagenwe cyagenwe cyo gukora, moteri ntizirenza. Ariko niba ibihe bikurikira bishobora kugutera kurenza urugero: icya mbere, amashanyarazi ni make, ntashobora kubona itara risabwa, kugirango moteri ihagarike kuzunguruka; Icya kabiri, uburyo bwo kugabanya itara ryahinduwe nabi kugirango rirusheho kuba rinini rihagarara, bikavamo umuriro mwinshi ukabije, ku buryo moteri ihagarara kuzunguruka; Icya gatatu, gukoresha rimwe na rimwe, kuzigama ubushyuhe, kurenza moteri yemereye ubushyuhe; Icya kane, umuzenguruko wuburyo bwo kugabanya torque unanirwa kubwimpamvu runaka, kuburyo itara ari rinini cyane; Icya gatanu, ubushyuhe bwibidukikije buri hejuru cyane, kuburyo ubushyuhe bwa moteri bugabanuka ugereranije.
Mubihe byashize, uburyo bwo kurinda moteri nugukoresha fuse, kurengana kurenza urugero, ubushyuhe bwumuriro, thermostat, nibindi, ariko ubu buryo bufite ibyiza nibibi. Nta buryo bwizewe bwo kurinda ibikoresho byamashanyarazi bifite umutwaro uhinduka. Kubwibyo, uburyo butandukanye bwo guhuza bugomba gukurikizwa, bushobora gukusanyirizwa mubwoko bubiri: bumwe ni ugucira urubanza kwiyongera cyangwa kugabanuka kwa moteri yinjira; Iya kabiri ni ugucira urubanza ubushyuhe bwa moteri ubwayo. Ibyo ari byo byose, ubushyuhe bwa moteri bugomba gutekerezwa kumafaranga yatanzwe.
Mubisanzwe, uburyo bwibanze bwo kurinda ibintu birenze urugero: kuburinzi burenze urugero bwo gukomeza gukora cyangwa ingingo-na-point ya moteri, thermostat irakoreshwa; Ubushuhe bwumuriro bukoreshwa mukurinda guhagarika moteri; Ku mpanuka zumuzunguruko mugufi, fuse cyangwa relay irenga ikoreshwa.
Igihe cyo kohereza: Ugushyingo-28-2022
