Mitundu ndi mfundo zogwirira ntchito zama hydraulic control valves:
1. Lingaliro la hydraulic control valve: The hydraulic control valve ndi valve yoyendetsedwa ndi kuthamanga kwa madzi.Imakhala ndi valavu yayikulu ndi njira yake yolumikizira, valavu yoyendetsa, valavu ya singano, valavu ya mpira ndi kupima kuthamanga.
2. Mitundu ya valavu yowongolera ma hydraulic: molingana ndi cholinga, ntchito ndi malo, imatha kusinthidwa kukhala valavu yoyandama yakutali, valavu yochepetsera kuthamanga, valavu yotsekera pang'onopang'ono, valavu yoyendetsa, valavu yopumira, valavu yowongolera magetsi, madzi. pampu control valve Dikirani.Malinga ndi kapangidwe kake, imatha kugawidwa m'mitundu iwiri: mtundu wa diaphragm ndi mtundu wa piston.
3. Mfundo yogwira ntchito ya mtundu wa diaphragm ndi ma valve amtundu wa piston wa hydraulic control valve ndi chimodzimodzi.Kusiyana kwa kuthamanga kwapansi pa mtsinjewu △P ndi mphamvu, yomwe imayang'aniridwa ndi valavu yoyendetsa, kotero kuti diaphragm (piston) hydraulic differential operation imangodzigwira yokha.Sinthani, kuti chimbale chachikulu cha valve chitsegulidwe kwathunthu kapena kutsekedwa kwathunthu kapena mukusintha.Pamene madzi opanikizika amalowa m'chipinda chowongolera pamwamba pa diaphragm (pistoni) amatulutsidwa kumlengalenga kapena kumunsi kwa malo otsika kwambiri, kupanikizika kwapakati pa diski ya valve ndi pansi pa diaphragm ndi yaikulu kuposa kupanikizika pamwamba, choncho kanikizani. gudumu lalikulu la valve kuti litsegulidwe mokwanira Pamene madzi opanikizika amalowa m'chipinda chowongolera pamwamba pa diaphragm (pistoni) sangathe kutulutsidwa kumlengalenga kapena kumunsi kwa malo otsika kwambiri, kupanikizika kwapakati pa diaphragm (pistoni) ndi kwakukulu kuposa kupanikizika pansipa. , kotero valavu chimbale chachikulu Press kwa malo otsekedwa kwathunthu;pamene kupanikizika mu chipinda chowongolera pamwamba pa diaphragm (pistoni) kuli pakati pa kulowetsedwa ndi kutulutsa mpweya, diski yaikulu ya valve ili mu kusintha, ndipo malo ake osinthika amadalira valve ya singano ndi chosinthika mu catheter system. ntchito yolamulira ya valve yoyendetsa ndege.Valavu yoyendetsa yosinthika imatha kutsegula kapena kutseka doko lake laling'ono la valve kupyolera muzitsulo zotsika pansi ndikusintha ndi izo, potero kusintha kupanikizika kwa chipinda chowongolera pamwamba pa diaphragm (piston) ndikuwongolera malo osinthika a disk square valve.
Kusankhidwa kwahydraulic control valve:
The hydraulic control valve ndi valve yoyendetsedwa ndi kuthamanga kwa madzi.Imakhala ndi valavu yayikulu ndi njira yake yolumikizira, valavu yoyendetsa, valavu ya singano, valavu ya mpira ndi kupima kuthamanga.
Mukamagwiritsa ntchito ma hydraulic control valves, choyamba samalani zomwe zasankhidwa.Kusankhidwa kosayenera kudzachititsa kuti madzi asatseke ndi kutuluka kwa mpweya.Posankha valavu yowongolera ma hydraulic, muyenera kuchulukitsa kuchuluka kwa nthunzi pa ola limodzi ndi 2-3 nthawi yosankhidwa ngati kuchuluka kwa condensate kuti musankhe kutulutsa kwamadzi kwa hydraulic control valve.Pofuna kuonetsetsa kuti valavu ya hydraulic control valve imatha kutulutsa madzi osungunuka mwamsanga pamene mukuyendetsa galimoto, ndipo mwamsanga muwonjezere kutentha kwa zipangizo zotentha.Kusakwanira kwamphamvu kwa hydraulic control valve kumapangitsa kuti condensate isatuluke munthawi yake ndikuchepetsa kutentha kwa zida zotenthetsera.
Posankha valavu yoyendetsera ma hydraulic control valve, kuthamanga kwadzina sikungagwiritsidwe ntchito posankha valavu ya hydraulic control valve, chifukwa kuthamanga kwadzina kumangosonyeza kupanikizika kwa chipolopolo cha hydraulic control valve body, ndipo kuthamanga kwadzina kwa hydraulic control valve ndi kosiyana kwambiri. kuchokera kupsinjika kwa ntchito.Choncho, kusuntha kwa valve yoyendetsera ma hydraulic kuyenera kusankhidwa molingana ndi kusiyana kwa kuthamanga kwa ntchito.Kusiyana kwa kuthamanga kwa ntchito kumatanthawuza kusiyana pakati pa kupanikizika kogwira ntchito pamaso pa hydraulic control valve kuchotsa kupanikizika kwa m'mbuyo pa kutuluka kwa hydraulic control valve.Kusankhidwa kwa ma hydraulic control valve kumafuna kutsekereza kolondola kwa nthunzi ndi ngalande, kukhudzika kwakukulu, kugwiritsa ntchito bwino nthunzi, kusatulutsa nthunzi, kugwira ntchito modalirika, kuthamanga kwambiri kwa msana, moyo wautali wautumiki, komanso kukonza bwino.
Ma hydraulic control valve actuator ndi chipangizo chomwe chimagwiritsa ntchito mphamvu kuyendetsa valavu.Mtundu woterewu wa hydraulic control valve valve ukhoza kukhala makina opangira ma hydraulic control valve, kapena chigawo chanzeru chamagetsi ndi chipangizo chowongolera ndi kuyeza, chomwe chingagwiritsidwe ntchito kukwaniritsa kusintha kwa valve mosalekeza.Ndi chitukuko cha ukadaulo wa microelectronics, ma hydraulic control valve actuators akhala ovuta kwambiri.Ma actuators oyambilira anali chabe magiya agalimoto okhala ndi masiwichi ozindikira malo.Othandizira amasiku ano ali ndi ntchito zapamwamba kwambiri.Chovala chowongolera ma hydraulic sichimangotsegula kapena kutseka valavu, komanso kuzindikira momwe valavu imagwirira ntchito ndi actuator kuti apereke deta zosiyanasiyana zokonzekera zolosera.
Tanthauzo lalikulu kwambiri la hydraulic control valve kwa actuator ndi: chipangizo choyendetsa galimoto chomwe chingapereke kayendedwe ka mzere kapena rotary, chomwe chimagwiritsa ntchito mphamvu yoyendetsa galimoto ndikugwira ntchito pansi pa chizindikiro chowongolera.
The hydraulic control valve actuator imagwiritsa ntchito madzi, gasi, magetsi kapena magwero ena amphamvu ndikuisintha kukhala ntchito yoyendetsa galimoto, silinda kapena zida zina.The actuator yoyambira imagwiritsidwa ntchito kuyendetsa ma hydraulic control valve pamalo otseguka kapena otsekedwa kwathunthu.
Kuyika valavu ya hydraulic control valve:
The hydraulic control valve ndi valve yoyendetsedwa ndi kuthamanga kwa madzi.Valve yowongolera ma hydraulic imakhala ndi valavu yayikulu ndi cholumikizira chake, valavu yoyendetsa, valavu ya singano, valavu ya mpira ndi choyezera kuthamanga.Malinga ndi cholinga chogwiritsira ntchito, ntchito ndi malo, zikhoza kusinthidwa kukhala valavu yoyandama yakutali, valavu yochepetsera mphamvu, valavu yotsegula pang'onopang'ono, valve control valve, valve yothandizira, hydraulic electric control valve, valve control valve, etc.
Konzani valavu molunjika pa chitoliro cholowetsa madzi, ndiyeno gwirizanitsani chitoliro chowongolera, valavu yoyimitsa ndi valavu yoyandama ku valavu.Chitoliro cholowetsa valavu ndi chitoliro chotuluka cholumikizira flange H142X-4T-A ndi 0.6MPa wokhazikika;H142X-10-A ndi 1MPa muyezo flange.Kutalika kwa chitoliro cholowera kuyenera kukhala kwakukulu kuposa kapena kofanana ndi m'mimba mwake mwadzina la valavu, ndipo chotulukacho chiyenera kukhala chotsika kuposa valavu yoyandama.Valavu yoyandama iyenera kukhazikitsidwa kupitilira mita imodzi kutali ndi chitoliro chamadzi;kuboolani kabowo kakang'ono m'thanki yamadzi pomwe chitoliro chotulutsira madzi chimakhala chokwera kuposa kuchuluka kwa madzi kuti madzi asabwerere mumpweya.Mukagwiritsidwa ntchito, valavu yotseka iyenera kukhala yotseguka kwathunthu.Ngati ma valve oposa awiri aikidwa mu dziwe lomwelo, mlingo womwewo uyenera kusungidwa.Popeza kutseka kwa vavu yayikulu kumatsalira kumbuyo kwa kutseka kwa valavu yoyandama kwa masekondi pafupifupi 30-50, thanki yamadzi iyenera kukhala ndi voliyumu yokwanira kuti ipewe kusefukira.Pofuna kupewa zonyansa ndi mchenga kuti zisalowe mu valavu ndikupangitsa kuti ziwonongeke, fyuluta iyenera kuikidwa kutsogolo kwa valve.Ngati itayikidwa mu dziwe la pansi pa nthaka, chipangizo cha alamu chiyenera kuikidwa m'chipinda chapansi pa nthaka.
Chosefera chiyenera kuikidwa pamaso pa hydraulic control valve, ndipo ikhale yosavuta kukhetsa.
Valavu yowongolera ma hydraulic ndi valavu yodzitchinjiriza yomwe imagwiritsa ntchito madzi ndipo safuna mafuta owonjezera.Ngati mbali za valve yaikulu zawonongeka, chonde masulani motsatira malangizo otsatirawa.(Zindikirani: Zowonongeka zomwe zimatha kuwononga valavu yamkati ndi diaphragm ndi mphete yozungulira, ndipo mbali zina zamkati siziwonongeka kawirikawiri)
1. Tsekani mavavu akutsogolo ndi kumbuyo kwa vavu yayikulu poyamba.
2. Masuleni zomangira zolumikizira mapaipi pachivundikiro chachikulu cha valavu kuti mutulutse kuthamanga kwa valve.
3. Chotsani zomangira zonse, kuphatikiza nati ya chitoliro chamkuwa chofunikira paipi yowongolera.
4. Tengani chivundikiro cha valve ndi kasupe.
5. Chotsani phata la shaft, diaphragm, pistoni, ndi zina zotero, ndipo musawononge diaphragm.
6. Mukatulutsa zinthu zomwe zili pamwambazi, onani ngati diaphragm ndi mphete yozungulira yawonongeka;ngati palibe kuwonongeka, chonde musalekanitse mbali zamkati mwa inu nokha.
7. Ngati muwona kuti diaphragm kapena mphete yozungulira yawonongeka, chonde masulani nati pachimake cha shaft, sungunulani diaphragm kapena mphete pang'onopang'ono, kenaka m'malo mwake ndi diaphragm yatsopano kapena mphete yozungulira.
8. Yang'anani mwatsatanetsatane ngati mpando wamkati wa valve ndi shaft core ya valve yaikulu yawonongeka.Ngati mkati mwa valavu muli zina zosiyana, ziyeretseni.
9. Sonkhanitsani zigawo zomwe zasinthidwa ndi zigawo zake ku valve yaikulu mu dongosolo la reverse.Samalani kuti valavu sayenera kupanikizana.
Nthawi yotumiza: Dec-13-2021
