Rack da Pinion actuator
Menene Rack and Pinion actuator?
Rack-and-pinion pneumatic actuators, wanda kuma ake kira iyakantaccen juzu'i na silinda, su ne masu kunna wutar lantarki da ake amfani da su don juyawa, buɗewa, rufewa, haɗawa, girgizawa, sakawa, tuƙi da sauran ayyukan injina da suka haɗa da ƙuntataccen juyawa.Ana kuma amfani da waɗannan masu kunnawa sau da yawa don sarrafa bawul ɗin juyi-kwata, kamar bawul ko bawul ɗin malam buɗe ido.
Pneumatic rack-and-pinion actuatorsjuyar da kuzarin matsewar iska ta hanyar silinda mai huhu zuwa motsi mai juyawa.Ana samar da iskar gas mai tsabta, bushe, da sarrafawa wanda wannan mai kunnawa ke buƙata ta hanyar tashar iska mai matsa lamba na tsakiya, wanda yawanci ke goyan bayan kewayon na'urorin huhu a cikin tsarin tsari.
Babban fasali na Rack da Pinion actuator
Idan aka kwatanta da kayan aikin nasu na lantarki,Rack da pinion actuators gabaɗaya sun fi ɗorewa, sun fi dacewa da mahalli masu haɗari kuma marasa tsada.Bugu da ƙari, sau da yawa suna buƙatar ƙarancin kulawa kuma suna ba da karfin juyi mafi girma idan aka kwatanta da girman su.
Ƙayyadaddun fasaha na Rack da Pinion actuator
Single tara vs. dual tara zane
Rack-and-pinion actuators suna ba da mafi girman jeri na juzu'i da juyawa idan aka kwatanta da sauran hanyoyin jujjuya don jujjuya ƙarfin layi zuwa jujjuyawar juyi.Yana da babban ingancin injina da magudanar ruwa waɗanda suke iya samar da kewayo daga Nm biyu zuwa dubunnan Nm masu yawa.
Koyaya, babban koma baya na ƙirar rack-da-pinion shine koma baya.Koma baya yana faruwa lokacin da rack da pinion gears ba su daidaita gaba ɗaya ba kuma akwai ƙaramin tazara tsakanin kowace haɗin haɗin gwiwa.Wannan rashin daidaituwa na iya haifar da lalacewa a kan gears yayin zagayowar rayuwar mai kunnawa, wanda hakan yana ƙara koma baya.
Naúrar tarawa biyu tana amfani da raƙuman riguna a ɓangarorin biyu na pinion.Wannan yana taimakawa kawar da koma baya saboda karfin juzu'i sannan kuma yana ninka karfin fitarwa na naúrar kuma yana ƙara haɓakar injina na tsarin.A cikin na'ura mai kunnawa sau biyu da aka nuna a cikin Hoto na 3, ɗakunan biyu na gefe suna cike da iska mai matsa lamba, wanda ke tura pistons zuwa tsakiya kuma don mayar da pistons zuwa matsayi na farko, ɗakin da ke cikin cibiyar yana jujjuya shi.
Aiki
Rack-and-pinion pneumatic actuators na iya zama ko dai guda ɗaya ko kuma sau biyu.Hakanan yana yiwuwa waɗannan masu kunnawa su ba da tasha da yawa.
Yin wasan kwaikwayo guda ɗaya vs. wasan kwaikwayo biyu
A cikin mai kunnawa guda ɗaya, ana ba da iska zuwa gefe ɗaya na piston kuma yana da alhakin motsin piston a hanya ɗaya kawai.Motsin fistan a kishiyar shugabanci ana yin shi ta hanyar marmaro na inji.Masu kunnawa guda ɗaya suna adana matsewar iska, amma suna yin aiki ta hanya ɗaya kawai.Ƙarƙashin ɓangarorin silinda masu aiki guda ɗaya shine ƙarfin fitowar da ba daidai ba ta hanyar cikakken bugun jini saboda adawa da ƙarfin bazara.Hoto na 4 yana nuna mai jujjuyawar numfashi mai aiki guda biyu.
A cikin na'urar kunnawa sau biyu, ana ba da iska zuwa ɗakuna a ɓangarorin biyu na piston(s).Matsakaicin iska a gefe ɗaya na iya fitar da piston (s) zuwa wancan gefen.Ana amfani da na'urori masu yin aiki sau biyu lokacin da ake buƙatar yin aiki a bangarorin biyu.Hoto na 5 yana nuna mai jujjuya pneumatic mai aiki biyu.
Ɗaya daga cikin fa'idodin silinda mai aiki biyu shine ƙarfin fitarwa akai-akai ta hanyar jujjuyawar juzu'i.Abubuwan da ke tattare da silinda masu aiki guda biyu shine buƙatar su don matsawa iska don motsi a cikin kwatance biyu da kuma rashin ma'anar matsayi a yanayin rashin ƙarfi ko matsa lamba.
Matsayi da yawa
Wasu masu kunna rack-and-pinion suna iya tsayawa a wurare da yawa ta hanyar kewayon juyawa ta hanyar sarrafa matsa lamba a tashoshin jiragen ruwa.Matsayin tsayawa na iya kasancewa a kowane jeri, yana ba da damar mai kunnawa ya zaɓi zaɓin matsakaicin matsakaici.
Tasha tasha
Makullin tsayawar tafiye-tafiye suna gefen jikin mai kunnawa (kamar yadda aka gani a Hoto na 6) kuma suna ba da izinin daidaitawa na ƙarshen matsayi na pistons ta hanyar iyakance jujjuyawar kayan aikin pinion daga ciki.Lokacin shigar da mai kunnawa, tuƙi a cikin kusoshi biyu na tsayawa tafiya har sai sun tuntuɓi hular tasha.Ci gaba da dunƙule gunkin tsayawar tafiya na hagu har sai ramin pinion da ake gani a saman yana juyawa zuwa matsayi wanda yayi daidai da tsawon jikin mai kunnawa.
Aikace-aikacen samfur: juzu'in mai kunna wutar lantarki
Sakamakon fitar da karfinsu akai-akai.Rack da pinion actuatorsakai-akai ana amfani da su kuma galibi salon da aka fi so na masu aikin pneumatic don bawuloli.Ana amfani da su don haɗawa, zubar da ruwa, ciyar da lokaci, ci gaba da juyawa, juyawa, matsayi, oscillating, ɗagawa, buɗewa da rufewa da juyawa.Ana amfani da waɗannan masu kunnawa don ayyukan injiniya daban-daban a cikin masana'antar ƙarfe, sarrafa kayan aiki, ayyukan ruwa, kayan aikin gini, injin ma'adinai, da tuƙin wutar lantarki.
