Intshayelelo yevalvu yombane kunye ne-pneumatic actuators

Ivalvu yombane kunye ne-pneumatic actuators Intshayelelo Ivalvu yombane ye-pneumatic actuator I-actuator yombane ngokuqhelekileyo yenziwe yinjini, isinciphisi, isixhobo sokusebenza kwesandla, indawo yomatshini ebonisa indlela kunye namanye amalungu. Xa kuthelekiswa nesinye isixhobo sokuqhuba ivalve, isixhobo sokuqhuba umbane sineempawu zomthombo wamandla, ukusebenza ngokukhawuleza, kulula, kwaye kulula ukuhlangabezana neemfuno ezahlukeneyo zolawulo. Ngoko ke, kwisixhobo sokuvula ivalve, isixhobo sombane sisona sibalaseleyo. Yenza itheyibhile yeconvex kwikholamu ejikelezayo kunye nesalathiso seentolo kumacala omabini zihambelane ngokusisiseko de ujikelezo ubuyele kwi-shaft ephezulu. Emva koko unike isignali evulekileyo nevaliweyo, ubone ukuba i-valve iyahlangabezana neemfuno... I-valve actuating mechanism Ukuqaliswa kwee-actuator zombane kunye ne-pneumatic 1.1 Isixhobo sokuqhuba i-valve ikhuselekile, ithembekile, iphantsi, kulula ukuyisebenzisa kunye nokugcinwa kwayo. isebe lendlela yokuqhuba ivalve. Izixhobo zomoya zisetyenziswa ngokubanzi kwizicelo ezinobungqina bokudubula. Isixhobo sokuqhuba i-valve pneumatic drive sisebenzisa umthombo womoya woxinzelelo osebenzayo uphantsi, ubungakanani besakhiwo abukho bukhulu, i-thrust epheleleyo yesixhobo sokuqhuba i-valve ye-pneumatic ayinkulu kakhulu. I-pneumatic ecekethekileyo yefilim i actuator Intwasahlobo enye, intshukumo eqinisekileyo Imithombo yamanzi amaninzi, intshukumo Isilinda esivuzayo esithe tyaba Ukusebenza kabini (akukho ntlakohlaza) Intshukumo enye (imbuyekezo yasentwasahlobo) Isivusi sombane Isishukumisi sombane ngokubanzi sidityaniswe yinjini, isinciphisi, isixhobo sokusebenza kwesandla, indawo yomatshini ebonisa indlela yokusebenza kunye amanye amalungu. Xa kuthelekiswa nesinye isixhobo sokuqhuba ivalve, isixhobo sokuqhuba umbane sineempawu zomthombo wamandla, ukusebenza ngokukhawuleza, kulula, kwaye kulula ukuhlangabezana neemfuno ezahlukeneyo zolawulo. Ngoko ke, kwisixhobo sokuvula ivalve, isixhobo sombane sisona sibalaseleyo. 2. Ukugunyaziswa kwe-activator 2.1 Ukugunyaziswa kwentloko yombane Xa ususa iimpazamo kwi-actuator yombane, sebenzisa ivili lesandla ukuvula ivalve kwindawo ephakathi, uze unike umqondiso ovulekileyo okanye ovaliweyo, ukujonga ukuba ivalve ihamba kwicala elifanelekileyo, ukuba okuchaseneyo, i-motor ibuyiselwe umva, kufuneka kuphela ukutshintshiselana izigaba ezibini ze-motor isigaba sesithathu sombane. Umtshini we-torque usekwe emva kokushiya umzi-mveliso, kwaye ngokuqhelekileyo awufuni ukulungiswa. Ukuba uhlengahlengiso luyafuneka, fumana ixabiso lesikali kwi-torque switch kwi-manual manual ukulungisa. Amanqaku ahlengahlengisiweyo okutshintsha kwe-stroke asondele kwaye avule, kufutshane nohlengahlengiso, i-manual "ehleli", i-valve shaft ene-screwdriver phantsi. Kwaye ujikelezisa 90 ° unokuxinga, cinezela kufutshane notolo spin off ukulungisa nut, de ukufutshane ukujikelezisa intshukumo ikholamu, jikelisa ikholamu kwiqonga convex iyahambelana notolo lwesalathiso kwisiseko (imo engeyiyo isenzo, i-convex isalathiso kunye notolo oluthe nkqo). Xa uhlengahlengisa isalathiso sokuvula, vula ngesandla ivalve ukuba "ivule ngokupheleleyo", cofa i-shaft ephezulu kunye nomqhubi, kwaye ujikelezise i-90 ° ukuze ubambeke, cofa utolo oluvulekileyo ukuze ujikelezise i-nati yohlengahlengiso oluvulekileyo, de kube kuvuliwe isenzo sekholamu ejikelezayo, ukuze intloko yeconvex kwikholamu ejikelezayo kunye nesalathiso seentolo kumacala omabini ziyafana, jikelisa ishaft ephezulu ukuseta kwakhona. Emva koko unike umqondiso ovulekileyo, osondeleyo, ubone ukuba i-valve iyahlangabezana neemfuno. 2.2 Ukulungiswa kweempazamo kwintloko ye-pneumatic actuator, ingakumbi kwi-positioner debugging. Okokuqala ubeke ukuvala indawo yevalvu, ukuze kuqinisekiswe ukuba ivalve ivaleke ngci, jija i-nut yokudibanisa ukuze ujije isikhondo sevalve ukuza kuthi ga ngoku, undoqo wevalve kunye nesitulo sevalvu kufuneka sinxibelelane ngokusondeleyo, isikali sohlengahlengiso se-stem sokubetha sibe ngu-zero, emva koko sijike. emoyeni, uxinzelelo lonikezelo lomoya kuxinzelelo olufunekayo kunye nevalve yokunciphisa uxinzelelo, kwaye emva koko usebenzise i-4 ma yangoku yejenereyitha yomqondiso kwigalelo lendawo, Lungisa indawo ye-zero yokulungelelanisa ivili lesandla kwisikhundla de ivalve iqalise ukusebenza, emva koko igalelo 20mA. okwangoku, lungisa indawo ye-zero yokulungelelanisa i-handwheel kunye nesixhobo sokulungelelanisa uluhlu ngokomlinganiselo we-stroke ukwenza i-stem stroke ivuleke ngokupheleleyo, kwaye uphinde uphinde amanyathelo okufaka i-4mA kunye ne-20mA, de i-valve ihlangabezane neemfuno ze-4mA ivalwe ngokupheleleyo kwaye i-20mA ivule ngokupheleleyo. . Ukuze kuqinisekiswe ukuba i-valve ivaliwe kwi-4mA, i-4.10 ~ 4.15mA yangoku inokuba negalelo njengomqondiso wokuvala ngokupheleleyo ngexesha lokutshatyalaliswa, ukwenzela ukuba i-4mA yangoku inokuvala ngokuqinisekileyo i-valve kwimeko yokusebenza yangempela. Zonke ii-actuator zefilimu ezikhanyayo zepneumatic multi-spring zenziwe nge-diaphragm, i-compress spring, i-tray, intonga yokutyhala, isibiyeli, isigqubuthelo sefilimu ye-bushing kunye nezinye iindawo eziphambili. I-diaphragm inemilo ye-basin enzulu, eqatywe ngerabha ye-butadiene ukomeleza amandla elaphu le-polyester kunye nokuqinisekisa ukuxinana, kwaye inokusetyenziswa kubushushu obuyi-30~85℃. Intwasahlobo yoxinzelelo isebenzisa inhlanganisela yemithombo emininzi endaweni yentwasahlobo enkulu kwisakhiwo esiqhelekileyo, ngaloo ndlela inciphisa ukuphakama. Inani lemithombo lingahlulwa libe yi-4, 6, okanye 8. Umphezulu wesikhokelo wentonga yokutyhala ugqityiwe kwaye umphezulu uphathwe ... I-actuator ye-pneumatic ekhanyayo iyaziwa ngokuba yi-fine small actuators pneumatic actuators. Le mveliso ineempawu zobunzima bokukhanya, ukuphakama okuncinci, ukwakhiwa kwe-compact, ukufakwa lula, isenzo esithembekileyo, amandla amakhulu okukhutshwa, ukugcinwa kwamandla kunye nokunye. Xa KUFAKWA KWI-valve, xa kuthelekiswa ne-valve yendabuko yokulawula i-pneumatic, ukuphakama kuncitshiswe nge-30%, ubunzima buncitshiswe ngu-30%, kodwa umthamo wokuhamba unyuswe ngu-30%, kwaye uluhlu olulungelelaniswayo lwandiswe kwi-50: 1 . Ubume bayo kunye nomgaqo-nkqubo wokusebenza uboniswe kwi-Figure 2-20 FIG. I-2-20 yokukhanya umsebenzi we-pneumatic actuator A) i-stroke ethe ngqo (uhlobo lwe-reaction) b) i-angular stroke (uhlobo lwesenzo esilungileyo) I-actuator ekhanyayo ye-pneumatic ye-multi-spring film film inokwahlulwa ibe yi-positive actuator (Figure 2-20B) kunye nohlobo olusebenzayo olubi (Figure 2-20A) ngokwendlela yokwenza. Emva kokubunjwa kwevalve elawulayo, ngokwendlela yokuvula kunye nokuvala ihlulwe ibe ziintlobo ezimbini zegesi kunye negesi evulekileyo. Umzobo 2-20A yi-stroke eqondileyo ye-pneumatic actuator. Yamkela isignali yoxinzelelo lomoya kwisixhobo esilawulayo, okanye isignali yombane iguqulelwa kuxinzelelo lomoya ngokusebenzisa isiguquli sombane, igalelo kwigumbi lomoya, elisebenza kwifilimu emva kokutyhala, ukwenzela ukuba intshukumo yentonga yokuphuma. Le tyholo icinezela intwasahlobo ngaxeshanye, ide ilungelelaniswe namandla okusabela entwasahlobo, ukuze intonga yemveliso ifikelele kwindawo emiselweyo. Umzobo 2-20B yi-angular stroke actuator pneumatic. Umgaqo wayo wokusebenza ngulo: uxinzelelo lwesignali okanye umqondiso wombane ovela kwisixhobo sokulawula, ngokuguqulwa kombane kwigalelo loxinzelelo lomoya kwigumbi lomoya, esebenza kwifilimu ukuvelisa i-thrust, ukwenzela ukuba intshukumo yentonga yokutyhala, kwaye emva koko ngokujikeleza komgca. indlela eguqulwa ibe yitorque, isiphumo sokufuduswa kwe-angular. Xa intonga yokuphuma ifikelela kwindawo emiselweyo, imveliso ye-angular stroke nayo iqinisekile. Xa i-actuator kunye ne-positioner zidityanisiwe, i-Angle yokujikeleza ye-shaft ephumayo ibuyiselwa kwi-positioner, enokuthi ifezekise injongo yokubeka ngokuchanekileyo i-Angle yokujikeleza. Zonke ii-actuator zefilimu ezikhanyayo zepneumatic multi-spring zenziwe nge-diaphragm, i-compress spring, i-tray, intonga yokutyhala, isibiyeli, isigqubuthelo sefilimu ye-bushing kunye nezinye iindawo eziphambili. I-diaphragm inemilo ye-basin enzulu, eqatywe ngerabha ye-butadiene ukomeleza amandla elaphu le-polyester kunye nokuqinisekisa ukuxinana, kwaye inokusetyenziswa kubushushu obuyi-30~85℃. Intwasahlobo yoxinzelelo isebenzisa inhlanganisela yemithombo emininzi endaweni yentwasahlobo enkulu kwisakhiwo esiqhelekileyo, ngaloo ndlela inciphisa ukuphakama. Inani lemithombo lingahlulwa libe yi-4, 6, okanye 8. Isikhokelo somkhondo wentonga yokutyhalela igqityiwe kwaye iphathwa ngokucokisekileyo ukuze kuphuculwe ubunzima, kuncitshiswe uburhabaxa obuphezulu, kuncitshiswe impazamo yokubuya nokunyusa isiphumo sokutywinwa. I-activator yohlobo lwe-reaction ngokubanzi ithatha i-0 yokutywina umsesane wokutywina kunye nentonga yokutyhala, umkhono we-shaft, isakhiwo esilula, ukutywinwa okuthembekileyo, uyilo ngaphandle koxinzelelo lwendlela yokulungiswa kwentwasahlobo, inokuhlanganiswa ngexesha, akukho mfuneko yokulungelelanisa. Ukudityaniswa kwentonga ye-push kunye ne-valve stem ingasetyenziselwa ngokubanzi ukuvula i-nut nut, kulula ukuyichitha kunye nokudibanisa. Kwimisebenzi yokukhanya ye-pneumatic actuators, i-double spring actuators ye-pneumatic njengoko kubonisiwe kuMzobo 2-21 nayo ingasetyenziswa. Ibeka intwasahlobo encinci ngaphakathi kwentwasahlobo enkulu. Le mithombo mibini isebenza kumphakamo ofanayo kodwa inokuqina okwahlukileyo, kodwa ukuqina okupheleleyo sisimbuku sokuqina kwemithombo emibini. Ngale ndlela, ukuphakama okupheleleyo kwe-actuator yonke kunokuncitshiswa, ukwenzela ukuba isakhiwo sidibanise ngakumbi. IKHIWANE. I-2-21 i-double spring pneumatic actuator A) Umoya ovulekileyo b) uvaliwe umoya Ekubeni i-LIGHTWEIGHT Pneumatic ACTUATORS ZAKHIWA NGEZINTSHKONGWANE ezininzi EZINDLU KWIIFILM CHAMBERS EZINCACILEYO, INKXASO YEBULKY YE-CONVENTIONAL STRUCTURES INGAHLANGANISWA NGE-CYLINDERS ezimbini zentsimbi. Esi sakhiwo sikhaphukhaphu ngobunzima kwaye sinokuthenjwa ngokwaneleyo ngamandla; Ukungalungi kukuba i-stroke yohlengahlengiso kufuneka isuswe kwaye ilungiswe ngaphambi kokufaka i-diaphragm yegumbi elingaphezulu. Ukuba intwasahlobo iyadingeka ukuba isetyenziselwe uxinzelelo oluphezulu okanye i-caliber enkulu, ifuna amandla amakhulu, kwaye ifuna isakhiwo esincinci, ungasebenzisa isakhiwo sentloko ye-membrane ephindwe kabini, jonga uMzobo 2-22. Nangona isakhiwo sinzima ngakumbi, sikhaphukhaphu. Iintloko zayo ezimbini ze-membrane zine-diaphragm ezimbini ezisebenza kunye ukuze zamkele isignali efanayo yoxinzelelo lomoya, amandla abangelwa ukutyhala isenzo se-stem, amandla aphumayo anokufikelela kwi-3000-60000N.