Chidziwitso cha Ma Valve Actuators

Ma valve Actuators

Ma valve actuator amasankhidwa kutengera zinthu zingapo kuphatikiza makokedwe ofunikira kuti agwiritse ntchito valavu komanso kufunikira koyambitsa basi. Mitundu ya ma actuators imaphatikizapo ma wheel handwheel, lever yamanja, mota yamagetsi, pneumatic, solenoid, hydraulic piston, komanso yodziyendetsa yokha. Ma actuators onse kupatula ma wheel handwheel ndi lever amatha kusinthika kuti azingoyendetsa.

Zowongolera pamanja, Zokhazikika, ndi Hammer
Ma actuators pamanja amatha kuyika ma valve pamalo aliwonse koma samalola kuti azigwira ntchito zokha. Mtundu wodziwika bwino wamakina actuator ndi handwheel. Mtundu uwu umaphatikizapo magudumu am'manja okhazikika ku tsinde, nyundo zapamanja, ndi magudumu am'manja olumikizidwa ku tsinde kudzera m'magiya.

Mawilo Amanja Okhazikika Ku Stem
Monga momwe tawonetsera m'chithunzichi pazanja lakumanja lokhazikika ku tsinde limapereka ubwino wamakina wa gudumu. Ma valve awa akakumana ndi kutentha kwambiri, kumanga ma valve kumapangitsa kuti ntchito ikhale yovuta.

Hammer Handwheel
Monga momwe tawonetsera m'chithunzichi, gudumu la m'manja la nyundo limayenda momasuka pagawo lina la kutembenuka kwake kenako ndikugundana ndi gudumu lina. Gudumu lachiwiri limamangiriridwa ku tsinde la valve. Ndi dongosololi, valavu imatha kutsekedwa kuti itseke mwamphamvu kapena kutsegulidwa ngati yatsekedwa.

Gearbox Yoyendetsedwa Pamanja

Ngati mwayi wowonjezera wamakina ndi wofunikira pa valavu yoyendetsedwa pamanja, boneti ya valavu imakhala ndi mitu yamagetsi yoyendetsedwa pamanja monga momwe zikuwonekera pachithunzichi. Wrench yapadera kapena gudumu lamanja lomwe limamangiriridwa ku pinion shaft limalola munthu m'modzi kugwiritsa ntchito valavu pamene anthu awiri angafunike popanda giya. Chifukwa kutembenuka kangapo kwa pinion ndikofunikira kuti pakhale kutembenuka kumodzi kwa tsinde la valavu, nthawi yogwiritsira ntchito ma valve akulu ndi yayitali kwambiri. Kugwiritsa ntchito ma motors onyamula mpweya olumikizidwa ndi pinion shaft kumachepetsa nthawi yogwiritsira ntchito ma valve.

Gearbox Yoyendetsedwa Pamanja

Ngati mwayi wowonjezera wamakina ndi wofunikira pa valavu yoyendetsedwa pamanja, boneti ya valavu imakhala ndi mitu yamagetsi yoyendetsedwa pamanja monga momwe zikuwonekera pachithunzichi. Wrench yapadera kapena gudumu lamanja lomwe limamangiriridwa ku pinion shaft limalola munthu m'modzi kugwiritsa ntchito valavu pamene anthu awiri angafunike popanda giya. Chifukwa kutembenuka kangapo kwa pinion ndikofunikira kuti pakhale kutembenuka kumodzi kwa tsinde la valavu, nthawi yogwiritsira ntchito ma valve akulu ndi yayitali kwambiri. Kugwiritsa ntchito ma motors onyamula mpweya olumikizidwa ndi pinion shaft kumachepetsa nthawi yogwiritsira ntchito ma valve.

Magalimoto a Electric Motor Actuators

Ma motors amagetsi amalola ma valavu amanja, semi-automatic, komanso otomatiki. Ma motors amagwiritsidwa ntchito kwambiri potsegula, ngakhale kuti amatha kuyika ma valve pamalo aliwonse otsegulira monga momwe tawonetsera pachithunzichi. Galimotoyo nthawi zambiri imakhala, yosinthika, yothamanga kwambiri yolumikizidwa kudzera pa sitima yapamtunda kuti muchepetse liwiro la mota ndikuwonjezera torque patsinde. Direction of motor rotation imatsimikizira komwe disk ikuyenda.
Mphamvu yamagetsi imatha kukhala yodziwikiratu, monga momwe galimoto imayambitsidwira ndi dongosolo lowongolera. Wwilo lamanja, lomwe limatha kulumikizidwa ndi sitima yamagetsi, limapereka ntchito yogwiritsira ntchito valavu. Zosintha zocheperako nthawi zambiri zimaperekedwa kuti iimitse mota pamalo otseguka komanso otsekeka. Kusintha kwa malire kumayendetsedwa mwakuthupi ndi malo a valve kapena torsionally ndi torque ya injini.

Ma hydraulic Actuators

Ma hydraulic actuators amathandizira kuti ma valve azitha kukhazikika kapena odziyimira pawokha, ofanana ndi ma pneumatic actuators. Ma actuators awa amagwiritsa ntchito pisitoni kuti asinthe mphamvu ya siginecha kukhala mayendedwe a tsinde la valavu. Hydraulic fluid imadyetsedwa mbali zonse za pistoni pomwe mbali inayo imathiridwa kapena kukhetsedwa. Madzi kapena mafuta amagwiritsidwa ntchito ngati hydraulic fluid. Ma valve a solenoid nthawi zambiri amagwiritsidwa ntchito powongolera ma hydraulic fluid kuti atsogolere kutsegula kapena kutseka kwa valve. Mavavu apamanja amathanso kugwiritsidwa ntchito powongolera madzimadzi a hydraulic; motero kupereka theka-automatic ntchito.

Mavavu Odziyendetsa

Ma valve odziyendetsa okha amagwiritsa ntchito madzi amadzimadzi kuti akhazikitse valve. Ma valve othandizira, ma valve otetezera, ma check valves, ndi misampha ya nthunzi ndi zitsanzo za ma valve odziyendetsa okha. Ma valve onsewa amagwiritsa ntchito mawonekedwe ena amadzimadzi amadzimadzi kuti azitha kuyendetsa valve. Palibe gwero la mphamvu kunja kwa mphamvu yamadzimadzi yomwe imafunikira kuti ma valve awa agwire ntchito.

Mavavu amodzi a solenoidAmatchedwa kulephera kutsegulidwa kapena kulephera kutsekedwa kutengera malo a valve ndi solenoid de-energized. Ma valve olephera otseguka amatsegulidwa ndi kuthamanga kwa masika ndikutsekedwa ndi kupatsa mphamvu solenoid. Ma valve olephera otsekedwa amatsekedwa ndi kuthamanga kwa masika ndikutsegulidwa ndi kulimbikitsa solenoid. Ma valve awiri a solenoid nthawi zambiri amalephera "monga momwe zilili." Ndiko kuti, malo a valve sasintha pamene ma solenoids onse amachotsedwa mphamvu.
Kugwiritsira ntchito kumodzi kwa ma valve a solenoid kuli mu makina a mpweya monga omwe amagwiritsidwa ntchito popereka mpweya ku makina oyendetsa mpweya. Ma valve a solenoid amagwiritsidwa ntchito kuwongolera mpweya wopita ku pneumatic actuator ndipo motero malo a valavu ya pneumatic actuated.

Kuthamanga kwa Power Actuators

Kuganizira zachitetezo cha zomera kumayang'anira kuthamanga kwa ma valve kwa ma valve ena okhudzana ndi chitetezo. Kumene dongosolo liyenera kukhala lodzipatula kapena kutsegulidwa mofulumira kwambiri, ma valve othamanga kwambiri amafunika. Kumene kutseguka kwa valve kumabweretsa jekeseni wa madzi ozizira kwambiri ku makina otentha, kutsegula pang'onopang'ono ndikofunikira kuti muchepetse kutenthedwa kwa kutentha. Kapangidwe kauinjiniya kumasankha choyatsira cha mavavu okhudzana ndi chitetezo kutengera liwiro ndi mphamvu zomwe zimafunikira komanso kupezeka kwa mphamvu pamagetsi.

Nthawi zambiri, kuthamanga kwambiri kumaperekedwa ndi ma hydraulic, pneumatic, ndi solenoid actuators. Komabe, solenoids sizothandiza kwa mavavu akulu chifukwa kukula kwawo ndi mphamvu zawo zimakhala zochulukirapo. Komanso, ma hydraulic ndi pneumatic actuators amafunikira dongosolo loperekera mphamvu ya hydraulic kapena pneumatic. Kuthamanga kwa actuation muzochitika zonsezi kutha kukhazikitsidwa ndikuyika ma orifices moyenerera mu mizere ya hydraulic kapena pneumatic. Nthawi zina, valavu imatsekedwa ndi kuthamanga kwa masika, komwe kumatsutsidwa ndi hydraulic kapena pneumatic pressure kuti valavu ikhale yotseguka.

Ma motors amagetsi amapereka kuthamanga kwachangu. Kuthamanga kwenikweni kwa valve kumayikidwa ndi kuphatikiza kwa liwiro la mota ndi chiŵerengero cha gear. Kuphatikiza uku kungasankhidwe kuti apereke maulendo athunthu a valve mkati mwa masekondi pafupifupi awiri mpaka masekondi angapo.

Chizindikiro cha Valve Position

Oyendetsa amafunika chizindikiritso cha malo a mavavu ena kuti alole kugwira ntchito kodziwa bwino kwa mbewuyo. Kwa ma valve oterowo, chizindikiro cha malo akutali amaperekedwa mwa mawonekedwe a magetsi omwe amasonyeza ngati ma valve ali otseguka kapena otsekedwa. Mabwalo owonetsa ma valve akutali amagwiritsa ntchito chowunikira chomwe chimazindikira tsinde ndi malo a disk kapena malo a actuator. Mtundu umodzi wa chowunikira malo ndi makina osinthira malire, omwe amayendetsedwa mwakuthupi ndi kayendedwe ka valve.

Mtundu wina ndi maginito osinthira kapena ma transformer omwe amazindikira kusuntha kwa maginito awo, omwe amayendetsedwa ndi kayendedwe ka ma valve.

Chizindikiro cha malo a valve ndi mawonekedwe owoneka bwino a valavu omwe amawonetsa malo a valve. Malo okwera valavu amasonyezedwa ndi malo a tsinde. Ma valve osatuluka nthawi zina amakhala ndi zolozera zazing'ono zamakina zomwe zimagwiritsidwa ntchito ndi ma valve actuator nthawi imodzi ndi ma valve. Mavavu oyendetsedwa ndi mphamvu nthawi zambiri amakhala ndi cholozera chamakina chomwe chimapereka chizindikiritso cha malo amderalo. Kumbali ina, ma valve ena alibe mbali iliyonse yowonetsera malo.

Chidule cha Ma valve Actuators

• Ma actuators pamanja ndi mtundu wodziwika kwambiri wa ma valve actuators. Zoyendetsa pamanja zimaphatikizapo mawilo am'manja omwe amamangiriridwa ku tsinde la valavu molunjika ndi mawilo am'manja omwe amalumikizidwa ndi magiya kuti apereke mwayi wamakina.
• Ma motor motor actuators amakhala ndi ma motors amagetsi osinthika omwe amalumikizidwa ndi tsinde la valavu kudzera mu sitima yamagetsi yomwe imachepetsa kuthamanga ndikuwonjezera torque.
• Ma actuators a pneumatic amagwiritsa ntchito kuthamanga kwa mpweya kumbali imodzi kapena zonse za diaphragm kuti apereke mphamvu yoyika valavu.
• Ma hydraulic actuators amagwiritsa ntchito madzi oponderezedwa mbali imodzi kapena mbali zonse za pistoni kuti apereke mphamvu yofunikira kuyimitsa valavu.
• Ma solenoid actuators ali ndi maginito slug omwe amamangiriridwa ku tsinde la valve. Mphamvu yoyika valavu imachokera ku kukopa kwa maginito pakati pa slug pa tsinde la valavu ndi coil ya electromagnet mu valavu actuator.