Njira yophatikizira yophatikizika ya vavu Njira yolumikizira yamagetsi ndi valavu

Njira yophatikizira yophatikizika ya vavu Njira yolumikizira yamagetsi ndi valavu

Njira zophatikizira ma valve nthawi zambiri zimagwiritsidwa ntchito
Mavavu omwe amagwiritsidwa ntchito nthawi zambiri amatha kukhala ndi mitundu itatu, yomwe ndi njira yonse yosinthira, njira yokonzanso ndi njira yofananira:
(1) njira yonse yosinthira: pamene valavu imasonkhanitsidwa ndi njira yonse yosinthira, gawo lililonse la valve likhoza kusonkhanitsidwa popanda kuvala ndi kusankha, ndipo mankhwalawa akhoza kukwaniritsa zofunikira zaukadaulo pambuyo pa msonkhano. Panthawiyi, mbali za valve ziyenera kukonzedwa kwathunthu mogwirizana ndi zofunikira za mapangidwe kuti zikwaniritse kulondola kwa mawonekedwe ndi pempho lololera. Ubwino wa njira yosinthitsa wathunthu ndi: ntchito ya msonkhano ndi yosavuta, zachuma, ogwira ntchito safuna digiri yapamwamba ya luso, kupanga dzuwa la msonkhano ndi mkulu, zosavuta kulinganiza mzere msonkhano ndi bungwe la kupanga mwapadera. Komabe, pamene msonkhano wathunthu wolowa m'malo uvomerezedwa, kulondola kwa makina a zigawo kumafunika kukhala kokwezeka. Imayikidwa pa valavu yapadziko lonse lapansi, valavu yoyendera, valavu ya mpira ndi mawonekedwe ena osavuta a gulu la valavu ndi valavu yaying'ono.
(2) Njira yofananira: valavu imatengera njira yofananira yosonkhanitsira, makina onse amatha kusinthidwa molingana ndi kulondola kwachuma, ndiyeno sankhani kukula kwake ndikusintha ndi kubweza pamisonkhano, kuti akwaniritse kulondola kwa msonkhano. Mfundo ya njira yofananira ndi yofanana ndi yokonza njira, njira yokhayo yosinthira kukula kwa mphete yamalipiro ndi yosiyana. Zakale ndikusintha kukula kwa mphete yamalipiro posankha zowonjezera, ndipo chomaliza ndikusintha kukula kwa mphete yamalipiro povala zowonjezera. Mwachitsanzo, pachimake pamwamba ndi kusintha gasket wa pawiri mphero chipata valavu chitsanzo valavu ulamuliro, ndi gasket kusintha pakati pa matupi awiri a valavu otseguka mpira amasankhidwa ngati chipukuta misozi mu unyolo dimension zokhudzana ndi kulondola msonkhano, ndi kulondola kwa msonkhano wofunikira kumatheka mwa kusintha makulidwe ndi kukula kwa gasket. Pofuna kuwonetsetsa kuti magawo amalipiro okhazikika amatha kusankhidwa mosiyanasiyana, ndikofunikira kupanga ma hydraulic control valve models a gasket ndi ma sleeve amalipiro okhala ndi makulidwe osiyanasiyana pasadakhale kuti asankhidwe pamsonkhano.
(3) Njira yokonza: valve imasonkhanitsidwa ndi njira yokonza. Zigawo zimatha kukonzedwa molingana ndi kulondola kwachuma. Pamsonkhano, kukula kwa kusintha kwina ndi kubweza kungathe kukonzedwa kuti mukwaniritse cholinga cha msonkhano. Mwachitsanzo, chipata cha wedge chipata cha valve ndi thupi la valve, chifukwa mtengo wosinthira wa zofunikira zosinthana ndi wokwera kwambiri, opanga ambiri amagwiritsa ntchito njira yokonza njira. Ndiko kuti, poyang'anira kukula kwa kutsegula kwa chitseko chosindikizira chisindikizo kumbuyo kwa kugaya, mbaleyo iyenera kufananizidwa ndi kukula kwa ma valve osindikizira a thupi kuti akwaniritse zofunikira zosindikizira. Njirayi imawonjezedwa ku ndondomeko ya mbale, koma ** imathandizira zofunikira zolondola za ndondomeko ya kutsogolo, ndondomeko ya mbale ya munthu waluso, mwachizoloŵezi sichidzakhudza mphamvu ya kupanga. Njira yopangira ma valve: valavu imasonkhanitsidwa payekhapayekha pamalo okhazikika. Kusonkhana kwa zigawo ndi zigawo za valve kumachitika mu msonkhano wa msonkhano, ndipo zigawo zonse zofunika ndi zigawo zikuluzikulu zimatumizidwa kumalo ogwirira ntchito. Kawirikawiri zigawo msonkhano ndi msonkhano okwana kusiyanitsa ndi angati magulu ogwira ntchito pa nthawi yomweyo, amene osati kufupikitsa mkombero msonkhano, komanso atsogolere ntchito yabwino msonkhano zida, zofunika za mlingo wa ogwira ntchito luso ndi otsika.
Opanga ena akunja kapena ma valve apamwamba aukadaulo amakhalanso ndikugwiritsa ntchito chingwe choyimitsira msonkhano kapena mawonekedwe a tebulo lozungulira:
(1) Ntchito yokonzekera musanayambe msonkhano: Zigawo za valve zidzachotsa burr yopangidwa ndi makina opangira makina ndi zotsalira za kuwotcherera, kuyeretsa ndi kudula kulongedza ndi gasket pamaso pa msonkhano.
(2) valavu mbali kuyeretsa: monga madzimadzi chitoliro kulamulira unsembe wa valavu, patsekeke mkati ayenera kukhala woyera. Makamaka mphamvu ya nyukiliya, mankhwala, mavavu ogulitsa chakudya, pofuna kuonetsetsa chiyero cha sing'anga ndikupewa matenda apakati, zofunikira zaukhondo za valve ndizovuta kwambiri. Tsukani ZIGAWO ZA MAVAVU MUSANASONKHANE KUTI MUCHOTSE ZINTHU ZONSE, MAFUTA OTSIRIZA OTSATIRA, COOLANT NDI BURR, WELDING SLAG NDI ZINTHU ZINTHU ZINTHU ZINTHU ZINA. Kuyeretsa valavu KUCHITIKA KABWINO NDI KUPOSA MADZI kapena MADZI OTSATIRA ndi ALKALI (KEROSENE Angagwiritsidwenso ntchito PA kuyeretsa) kapena ultrasonic cleaner. Ziwalozo ziyenera kutsukidwa pambuyo popera ndi kupukuta, ndipo kuyeretsa nthawi zambiri kumatsuka malo osindikizira ndi mafuta, ndiyeno kuwuma ndi mpweya wothinikizidwa ndikupukuta ndi nsalu.
(3) kulongedza ndi kukonzekera gasket: kulongedza kwa graphite kwagwiritsidwa ntchito kwambiri chifukwa cha zabwino za kukana dzimbiri, kusindikiza bwino komanso kugundana kwazing'ono. Filler ndi gasket kuti muteteze kutulutsa kwa media kudzera pa tsinde ndi chivundikiro ndi nkhope yolumikizana ya flange. Zopangira izi ziyenera kukonzedwa kuti zidulidwe ndi kuzigwiritsa ntchito musanayambe kusonkhanitsa ma valve.
(4) Msonkhano wa valavu: valavu nthawi zambiri imachokera ku thupi la valve monga zigawo zofotokozera malinga ndi dongosolo ndi njira yomwe imatchulidwa ndi ndondomeko ya msonkhano. Pamaso pa msonkhano, zigawo ndi zigawo zake ziyenera kufufuzidwanso kuti zisalowe mu msonkhano womaliza. Posonkhanitsa, mbalizo ziyenera kuchitidwa mosamala kuti asagogode ndi kukanda ogwira ntchito. Zigawo zogwira ntchito za valve (monga tsinde la valve, kubereka, ndi zina zotero) ziyenera kuphimbidwa ndi mafuta a mafakitale. Flange ya chivundikiro cha valve ndi thupi la valve zimagwirizanitsidwa ndi ma bolts. Kumangirira mabawuti, kuyankha kumanenedwa, kuphatikizika, mobwerezabwereza komanso kolimba. Kupanda kutero, gawo lolumikizana la thupi la valavu ndi chivundikiro cha valve zimatulutsa kutayikira kwa valavu yowongolera kuthamanga chifukwa cha mphamvu yosagwirizana mozungulira. Chogwirizira chomwe chimagwiritsidwa ntchito pomangirira sichiyenera kukhala chotalika kwambiri kuti chiteteze kutsitsa kusokoneza mphamvu ya bawuti. Kwa ma VALVE ALI ndi zofunikira kwambiri za PRELOAD, zogwirira ntchito za torque zidzagwiritsidwa ntchito kuti zikhwime ma bolts malinga ndi zofunikira za torque. Pambuyo pa msonkhano, makina oyendetsa ayenera kusinthidwa kuti awone ngati ntchito ya ma valve otsegula ndi kutseka ndi mafoni komanso ngati pali chotchinga. Chophimba cha VALVE, chithandizo ndi mbali zina za kayendetsedwe ka chipangizocho mogwirizana ndi zofunikira za zojambulazo, ndemanga zonse zadutsa valve ikhoza kuyesedwa.

Njira yolumikizira yamagetsi yamagetsi ndi valavu The actuator yamagetsi imagwirizana kwambiri ndi valavu, yomwe imagwiritsidwa ntchito muzowongolera zokha. Pali mitundu yambiri yamagetsi oyendetsa magetsi, omwe ndi osiyana ndi machitidwe. Mwachitsanzo, chowotcha chamagetsi cha angular ndi chotulutsa ma torque, pomwe chowongolera chamagetsi chowongoka ndichotulutsa mphamvu. Mtundu wamagetsi opangira magetsi muzogwiritsira ntchito dongosolo uyenera kusankhidwa malinga ndi zosowa za ntchito ya valve.
The actuator yamagetsi imagwirizana kwambiri ndi valavu, yomwe imagwiritsidwa ntchito pamakina owongolera okha. Pali mitundu yambiri yamagetsi oyendetsa magetsi, omwe ndi osiyana ndi machitidwe. Mwachitsanzo, chowotcha chamagetsi cha angular ndi chotulutsa ma torque, pomwe chowongolera chamagetsi chowongoka ndichotulutsa mphamvu. Mtundu wamagetsi opangira magetsi muzogwiritsira ntchito dongosolo uyenera kusankhidwa malinga ndi zosowa za ntchito ya valve.
Njira yolumikizirana
I. Kulumikizana kwa Flange:
Iyi ndiyo njira yodziwika kwambiri yolumikizira ma valve. Malinga ndi mawonekedwe a pamwamba olowa, akhoza kugawidwa mu zotsatirazi:
1. Mtundu wosalala: amagwiritsidwa ntchito pa ma valve omwe ali ndi mphamvu yochepa. Yabwino processing
2, mtundu wa concave ndi convex: kuthamanga kwambiri kogwira ntchito, kumatha kugwiritsidwa ntchito mu chochapira cholimba
3. Mtundu wa Tenon ndi groove: gasket yokhala ndi pulasitiki yokulirapo ingagwiritsidwe ntchito pazida zowononga, ndipo kusindikiza kumakhala bwinoko.
4, trapezoidal poyambira: gwiritsani ntchito mphete yachitsulo chowulungika ngati chochapira, chomwe chimagwiritsidwa ntchito pokakamiza ≥64 kg/cm2 valavu, kapena valavu yotentha kwambiri.
5, mtundu wa mandala: washer ndi mawonekedwe a lens, opangidwa ndi chitsulo. Kwa ma valve othamanga kwambiri omwe ali ndi mphamvu yogwira ntchito ≥100 kg / cm2, kapena mavavu otentha kwambiri.
6, mtundu wa mphete ya O: Iyi ndi mawonekedwe atsopano olumikizirana ndi flange, amapangidwa ndi mawonekedwe a mphete ya O, yomwe ili mu kusindikiza kwa mawonekedwe olumikizira.
Awiri, kugwirizana kwa ulusi:
Iyi ndi njira yosavuta yolumikizira ndipo nthawi zambiri imagwiritsidwa ntchito ndi ma valve ang'onoang'ono. Pali milandu ina iwiri:
1, kusindikiza mwachindunji: ulusi wamkati ndi wakunja mwachindunji umagwira ntchito yosindikiza. Pofuna kuonetsetsa kuti cholumikizira sichikutha, nthawi zambiri chimakhala ndi mafuta otsogolera, linoleum ndi PTFE zopangira zodzaza; Ptfe yaiwisi lamba, ntchito kuwonjezeka kutchuka; Nkhaniyi ili ndi kukana kwa dzimbiri kwabwino, kusindikiza kwabwino, kosavuta kugwiritsa ntchito ndikusunga, disassembly, ikhoza kuchotsedwa kwathunthu, chifukwa ndi filimu yopanda viscous, yabwino kwambiri kuposa mafuta otsogolera, linoleum.
2. Kusindikiza kwachindunji: mphamvu ya screw tightening imasamutsidwa ku washer pakati pa ndege ziwiri, kotero kuti washer azichita ntchito yosindikiza.
Chachitatu, kugwirizana kwa manja a khadi:
Kulumikizana ndi kusindikiza kwa manja a clamping ndikuti pamene natiyo imangiriridwa, mkono wokhotakhota umapanikizika, kotero kuti m'mphepete mwake mumaluma khoma lakunja la chitoliro, ndipo chingwe chakunja chachitsulo chimakhala pafupi ndi cone ya thupi. pampanipani, kotero imatha kuteteza kutayikira.
Ubwino wa njira yolumikizira iyi ndi:
1, kukula kochepa, kulemera kopepuka, kapangidwe kosavuta, kosavuta disassembly;
2, kugwirizana amphamvu, osiyanasiyana ntchito, akhoza kupirira kuthamanga (1000 makilogalamu/cm2), kutentha (650 ℃) ndi kugwedezeka kugwedezeka.
3, akhoza kusankha zipangizo zosiyanasiyana, oyenera kupewa dzimbiri;
4, Machining kulondola zofunika si mkulu; Zosavuta kukhazikitsa pamalo okwera.
Fomu yolumikizira manja yotsekera yagwiritsidwa ntchito pazinthu zina zazing'ono za valve ku China.
Chachinayi, kulumikizana kwa clamp:
Imeneyi NDI NJIRA YOLUMIKIRANI KWAMBIRI YOMWE IMAKUFUNA MABOLU AWIRI OKHA NDIPO NDI WOYENERA PA MAVAVU OCHOKERA Ochepa OTSANIZIDWA OCHOKERA.
Chachisanu, kulumikizana kodzilimbitsa mkati:
Koposa mitundu yonse yolumikizirana, ndikugwiritsa ntchito mphamvu yakunja kuti athetse kukakamizidwa kwa sing'anga, kuti akwaniritse kusindikiza. Zotsatirazi zikufotokoza mawonekedwe odzilimbitsa okha pogwiritsa ntchito kuthamanga kwapakati. mphete yake yosindikiza imayikidwa mu chulucho wamkati, ndi mbali yapakati yotsutsana ndi mbali ina, kupanikizika kwapakati ku cone yamkati, ndikusamutsidwa ku mphete yosindikizira, mu Angle ina ya cone pamwamba, imapanga zigawo ziwiri, zofanana. mzere wapakati wa thupi la valve kunja, kupanikizika kwina kwa khoma lamkati la thupi la valve. Chigawo chomaliza ndi mphamvu yodzilimbitsa yokha. Kuchuluka kwa mphamvu yapakati, mphamvu yodzilimbitsa yokha imakhala yaikulu. Choncho kugwirizana kwamtunduwu ndi koyenera kwa ma valve othamanga kwambiri. Zimapulumutsa zinthu zambiri ndi ntchito kusiyana ndi kugwirizana kwa flanged, komanso kumafuna kuchuluka kwa preload, kotero kuti kupanikizika mu valavu sipamwamba, ntchito yodalirika. Valavu yopangidwa ndi mfundo yodzitsekera pawokha nthawi zambiri imakhala yothamanga kwambiri.
Pali mitundu yambiri yolumikizira valavu, mwachitsanzo, ena sayenera kuchotsa valavu yaying'ono, yowotcherera pamodzi ndi chitoliro; Ma valve ena omwe si azitsulo, pogwiritsa ntchito kugwirizana kwa socket, ndi zina zotero. Ogwiritsa ntchito ma valve ayenera kuthandizidwa molingana ndi zikhalidwe zake.