Ma valve amagetsi ndi pneumatic actuators Mau oyamba Opepuka ma valve pneumatic actuators

Mavavu magetsi ndi pneumatic actuators Chiyambi Ma valve opepuka a pneumatic actuator Nthawi zambiri amakhala ndi mota, chochepetsera, makina opangira manja, malo amakanika owonetsa makina ndi mbali zina. Poyerekeza ndi chipangizo china choyendetsa valavu, chipangizo chamagetsi chamagetsi chimakhala ndi mphamvu zamagetsi, ntchito yofulumira, yabwino, komanso yosavuta kukwaniritsa zofunikira zosiyanasiyana. Choncho, mu chipangizo cha valve actuation, chipangizo chamagetsi chimakhala chachikulu. Pangani tebulo la convex pagawo lozungulira komanso momwe mivi yozungulira mbali zonse ziwiri ikuyendera kuti ikhale yofanana mpaka kuzungulira kukonzanso shaft kumtunda. Kenaka perekani chizindikiro chotseguka ndi chotseka, muwone ngati valavu ikukwaniritsa zofunikira ... Valve actuating mechanism Kuyambitsa makina opangira magetsi ndi pneumatic 1.1 Pneumatic actuator Valve pneumatic drive device ndi yotetezeka, yodalirika, yotsika mtengo, yosavuta kugwiritsa ntchito ndi kukonza, ndi nthambi ya valve drive mechanism. Zipangizo zama pneumatic zimagwiritsidwa ntchito kwambiri popanga zinthu zosaphulika. Chipangizo cha valve pneumatic drive chimagwiritsa ntchito gwero la mpweya wogwira ntchito ndi chochepa, kukula kwake sikuli kwakukulu, kukakamiza kwathunthu kwa chipangizo cha valve pneumatic drive si chachikulu kwambiri. Pneumatic thin film actuator Kasupe kamodzi, zochita zabwino Akasupe angapo, reaction Cylinder horizontal actuator Kuchita kawiri (palibe kasupe) Kuchitira kamodzi kokha (kubwerera kwa masika) Choyatsira magetsi Choyatsira magetsi nthawi zambiri chimakhala ndi mota, chochepetsera, makina ogwiritsira ntchito manja, malo amakanika owonetsa makina ndi mbali zina. Poyerekeza ndi chipangizo china choyendetsa valavu, chipangizo chamagetsi chamagetsi chimakhala ndi mphamvu zamagetsi, ntchito yofulumira, yabwino, komanso yosavuta kukwaniritsa zofunikira zosiyanasiyana. Choncho, mu chipangizo cha valve actuation, chipangizo chamagetsi chimakhala chachikulu. 2. Kutumiza kwa actuator 2.1 Kutumiza kwa mutu wamagetsi Mukachotsa chowongolera chamagetsi, gwiritsani ntchito gudumu lamanja kuti mutsegule valavu pamalo apakati, ndiyeno perekani chizindikiro chotseguka kapena chotseka, kuti muwone ngati valavu ikuyenda bwino, ngati mosiyana, galimoto ndi m'mbuyo, ayenera kusinthanitsa magawo awiri a galimoto gawo atatu magetsi. Kusintha kwa torque kumakhazikitsidwa mutachoka kufakitale, ndipo nthawi zambiri sikuyenera kusinthidwa. Ngati kusintha kuli kofunika, pezani mtengo wosinthira torque mu bukhu la malangizo kuti musinthe. Zosinthidwa masiwichi a sitiroko pafupi ndi kutseguka, pafupi ndi kusintha, buku "lokhala", shaft ya valve yokhala ndi screwdriver pansi. Ndipo tembenuzani 90 ° imatha kukakamira, kukanikiza pafupi ndi muvi wozungulira kuti musinthe mtedza, mpaka kuyandikira kuzungulira ndimeyo, tembenuzani gawoli papulatifomu ya convex ikugwirizana ndi muvi wolunjika pa maziko a (opanda kuchitapo kanthu, ma convex). muvi wolunjika ndi wolunjika). Mukasintha njira yotsegulira, tembenuzirani valavu kuti "itsegule kwathunthu", kanikizani shaft yapamwamba ndi dalaivala, ndikuzungulira 90 ° kuti mutseke, kanikizani muvi wotseguka kuti muzungulire nati yosinthira yotseguka, mpaka gawo lotseguka lozungulira, kotero kuti mutu wa convex pamzati wozungulira ndi komwe mivi kumbali zonse ziwiri imakhala yofanana, tembenuzani tsinde lapamwamba kuti mukhazikitsenso. Kenako perekani chizindikiro chotseguka, chotseka, muwone ngati valavu ikukwaniritsa zofunikira. 2.2 Pneumatic mutu debugging Pneumatic actuator debugging, makamaka pa positioner debugging. Choyamba kutseka malo a valve, kuti mutsimikizire kuti valavu yatsekedwa mwamphamvu, tembenuzirani nati kuti iwononge pa tsinde la valve mpaka pano, pakati pa valve ndi mpando wa valve uyenera kukhudzana kwambiri, kusintha kwa tsinde kugunda kwa zero, ndiyeno kutembenukira. Pamlengalenga, kukakamiza kwa mpweya kupita ku mphamvu yofunikira ndi valavu yochepetsera, ndiyeno gwiritsani ntchito 4 ma jenereta yamagetsi yamakono kuti mulowetse malo, Sinthani zero point kusintha handwheel pa positioner mpaka valve itangoyamba kugwira ntchito, kenaka lowetsani 20mA. panopa, sinthani zero mfundo kusintha handwheel ndi osiyanasiyana kusintha chipangizo malinga ndi sitiroko sikelo kuti tsinde sitiroko kutseguka kwathunthu, ndiyeno kubwereza masitepe athandizira a 4mA ndi 20mA, mpaka valavu akwaniritsa zofunika 4mA kutsekedwa kwathunthu ndi 20mA lotseguka kwathunthu. . Pofuna kuonetsetsa kuti valavu yatsekedwa pa 4mA, 4.10 ~ 4.15mA yamakono ikhoza kulowetsedwa ngati chizindikiro cha kutsekedwa kwathunthu panthawi yowonongeka, kotero kuti 4mA yamakono ikhoza kutseka valavu muzochitika zenizeni zogwirira ntchito. Makina onse opepuka a pneumatic multi-spring film actuators amapangidwa ndi diaphragm, compression spring, tray, push stick, bracket, bushing film cover ndi zina zazikulu. The diaphragm ndi yakuya beseni looneka, yokutidwa ndi mphira butadiene kuonjezera mphamvu ya nsalu poliyesitala ndi kuonetsetsa zolimba, ndipo angagwiritsidwe ntchito pa kutentha 30 ~ 85 ℃. Kuponderezedwa kasupe kumagwiritsa ntchito kuphatikiza kwa akasupe angapo m'malo mwa kasupe wamkulu muzokhazikika, motero kuchepetsa kutalika. Chiwerengero cha akasupe chikhoza kugawidwa mu 4, 6, kapena 8. Malo otsogolera a ndodo yokankhira atsirizidwa ndi kuchitidwa pamwamba ... Oyendetsa pneumatic opepuka amadziwikanso kuti ma actuators ang'onoang'ono a pneumatic. Mankhwalawa ali ndi makhalidwe a kulemera kwa kuwala, kutalika kochepa, kapangidwe kameneka, kuyika kosavuta, kuchitapo kanthu kodalirika, mphamvu yaikulu yotulutsa mphamvu, kupulumutsa mphamvu ndi zina zotero. Ikayikidwa pa valve, poyerekeza ndi valve ya chikhalidwe cha pneumatic control, kutalika kumachepetsedwa ndi 30%, kulemera kumachepetsedwa ndi 30%, koma mphamvu yothamanga ikuwonjezeka ndi 30%, ndipo kusintha kosinthika kumapititsidwa ku 50: 1 . Mapangidwe ake ndi mfundo zogwirira ntchito zikuwonetsedwa mu Chithunzi 2-20 FIG. 2-20 light duty pneumatic actuator A) kukwapula mwachindunji (mtundu wamachitidwe) b) kukwapula kwapang'onopang'ono (mtundu wochitapo kanthu) Kuwala kwa pneumatic multi-spring film actuator kumatha kugawidwa m'njira zabwino (Chithunzi 2-20B) ndi mtundu wosachita bwino (Chithunzi 2-20A) molingana ndi momwe amachitira. Pambuyo pakupanga valavu yoyang'anira, malinga ndi njira yotsegulira ndi yotseka imagawidwa m'mitundu iwiri ya gasi ndikutsegula gasi. Chithunzi 2-20A ndi chowongoka chowongoka cha pneumatic. Imavomereza chizindikiro cha mpweya kuchokera ku chida chowongolera, kapena chizindikiro chamagetsi chimasinthidwa kukhala mpweya wa mpweya kupyolera mu chosinthira magetsi, chothandizira ku chipinda cha mpweya, kuchitapo kanthu pa filimuyo pambuyo pa kukankhira, kotero kuti kusuntha kwa ndodo kumatulutsa. Izi kukankha compresses kasupe pa nthawi yomweyo, mpaka bwino ndi kasupe anachita mphamvu, kuti linanena bungwe ndodo kufika anakonzeratu udindo. Chithunzi 2-20B ndi angular stroke pneumatic actuator. Mfundo yake yogwira ntchito ndi: kuthamanga kwa chizindikiro kapena chizindikiro chamagetsi kuchokera ku chida chowongolera, kupyolera mu kutembenuka kwa magetsi kukhala mpweya wa mpweya kupita ku chipinda cha mpweya, kuchitapo kanthu pa filimuyo kuti ipange kukankhira, kotero kuti kusuntha ndodo, ndiyeno ndi kuzungulira liniya. makina osinthidwa kukhala torque, kutulutsa kwa angular displacement. Pamene ndodo linanena bungwe kufika malo anakonzeratu, linanena bungwe la sitiroko angular ndi wotsimikiza. Pamene actuator ndi positioner zikuphatikizidwa, Angle yozungulira ya shaft yotuluka imabwezeredwa ku malo, omwe amatha kukwaniritsa cholinga choyika molondola Angle yozungulira. Makina onse opepuka a pneumatic multi-spring film actuators amapangidwa ndi diaphragm, compression spring, tray, push stick, bracket, bushing film cover ndi zina zazikulu. The diaphragm ndi yakuya beseni looneka, yokutidwa ndi mphira butadiene kuonjezera mphamvu ya nsalu poliyesitala ndi kuonetsetsa zolimba, ndipo angagwiritsidwe ntchito pa kutentha 30 ~ 85 ℃. Kuponderezedwa kasupe kumagwiritsa ntchito kuphatikiza kwa akasupe angapo m'malo mwa kasupe wamkulu muzokhazikika, motero kuchepetsa kutalika. Chiwerengero cha akasupe chikhoza kugawidwa mu 4, 6, kapena 8. Chiwongolero cha ndodo yokankhira chimatha ndipo pamwamba pake chimagwiritsidwa ntchito kuti chikhale cholimba, kuchepetsa kuuma kwa pamwamba, kuchepetsa kulakwitsa kwa kubwerera ndikuwonjezera kusindikiza. Rection type actuator nthawi zambiri imatenga mphete yosindikizira ya mawonekedwe a 0 ndi ndodo yokankhira, manja a shaft, mawonekedwe osavuta, kusindikiza kodalirika, kapangidwe kopanda makina osinthira masika, amatha kusonkhanitsidwa nthawi imodzi, osafunikira kusintha. Kulumikizana kwa ndodo yokankhira ndi tsinde la valavu kumatha kugwiritsidwa ntchito potsegula nati ya msoko, yosavuta kusokoneza ndi kusonkhanitsa. Pa ntchito yopepuka ya pneumatic actuators, ma actuators awiri a pneumatic masika monga akuwonetsedwa pa Chithunzi 2-21 angagwiritsidwenso ntchito. Zimayika kasupe kakang'ono mkati mwa kasupe wamkulu. Akasupe awiriwa amagwira ntchito pamtunda wofanana koma amakhala ndi kuuma kosiyana, koma kuuma kwathunthu ndiko kuchuluka kwa kuuma kwa akasupe awiriwo. Mwanjira iyi, kutalika konse kwa actuator yonse kumatha kuchepetsedwa, kotero kuti kapangidwe kake kamakhala kophatikizana. CHITH. 2-21 double spring pneumatic actuator A) Air open b) mpweya wotsekedwa Popeza LIGHTWEIGHT pneumatic ACTUATORS AMAPANGIDWA NDI ZINTHU ZINATI ZINA ZOKHA ZINTHU ZOPATSIDWA ZA FILM CHAMBERS, KUTHANDIZA KWAMBIRI KWA ZINTHU ZOPHUNZITSIRA ANGASINTHA M'MALO NDI zitsulo ziwiri. Kapangidwe kameneka kamakhala kopepuka komanso kodalirika mu mphamvu; Choyipa ndichakuti sitiroko yosinthira iyenera kuchotsedwa ndikusinthidwa musanayike chivundikiro chapamwamba cha chipinda cha diaphragm. Ngati kasupe akufunika kuti agwiritsidwe ntchito pazovuta zazikulu kapena zazikulu, zimafunikira mphamvu yayikulu, ndipo mukufuna mawonekedwe ophatikizika, mutha kugwiritsa ntchito mawonekedwe amutu wosanjikiza awiri, onani Chithunzi 2-22. Ngakhale kuti mapangidwe ake ndi ovuta kwambiri, ndi opepuka. Mitu yake iwiri ya nembanemba imakhala ndi ma diaphragm awiri omwe amagwira ntchito limodzi kuti avomereze chizindikiro chofanana cha kuthamanga kwa mpweya, mphamvu yotsatizana yokankhira tsinde, mphamvu yomwe imatha kufika 3000-60000N.