Zida zowongolera ma pneumatic ndi mabwalo oyambira
M'makina a pneumatic, zinthu zowongolera ndizofunikira kwambiri pakuwongolera ndikuwongolera kuthamanga, kuthamanga kwamayendedwe, kayendedwe ka mpweya woponderezedwa ndi kutumiza ma siginecha. Powagwiritsa ntchito, mabwalo osiyanasiyana a pneumatic amatha kupangidwa kuti awonetsetse kuti zinthu zoyambitsa pneumatic zimagwira ntchito moyenera momwe zimafunikira. Zida zowongolera mpweya zimatha kugawidwa m'magulu atatu akuluakulu kutengera ntchito ndi ntchito zawo: ma valve owongolera kuthamanga, ma valve owongolera, ndi ma valve owongolera. Kuphatikiza apo, pali zigawo za logic za pneumatic zomwe zimakwaniritsa magwiridwe antchito osiyanasiyana posintha komwe akupita ndi -kuchoka pamayendedwe a mpweya.
① Valve yowongolera kuthamanga komanso kuwongolera kuthamanga
Ma valve owongolera kupanikizika amagwiritsidwa ntchito makamaka kuwongolera kupanikizika kwa mpweya mu dongosolo ndikukwaniritsa zofunikira zosiyanasiyana. Ma valve oyendetsa mphamvu amatha kugawidwa m'magulu atatu: Mtundu woyamba ndi valavu yochepetsera mphamvu yomwe imathandiza kuchepetsa ndi kukhazikika maganizo; Mtundu wachiwiri ndi valavu yotetezera yomwe imathandizira kuchepetsa kupanikizika ndikupereka chitetezo cha chitetezo, chomwe ndi valve yothandizira. Mtundu wachitatu ndi valavu yotsatizana yomwe imapanga maulamuliro ena potengera zovuta za mzere wa gasi.
1. Vavu yachitetezo
Valavu yachitetezo imagwira ntchito pachitetezo chachitetezo mu dongosolo. Pamene kupanikizika kwa dongosolo kumadutsa mtengo wotchulidwa, valavu yotetezera imatsegula kuti itulutse gawo lina la mpweya mumlengalenga, kuonetsetsa kuti kupanikizika kwa dongosolo sikudutsa mtengo wovomerezeka ndipo motero kupewa ngozi zomwe zimachitika chifukwa cha kupanikizika kwakukulu mu dongosolo. Mapangidwe ndi chizindikiro chojambula cha valve yotetezera chikuwonetsedwa pachithunzichi.
Chithunzi: Mapangidwe ndi chizindikiro chazithunzi za valavu yotetezera
2. Vavu yochepetsera -vavu
Ntchito ya kuthamanga-kuchepetsa valavu ndikuchepetsa kupanikizika kwa gwero la gasi ku mphamvu yofunikira ndi chipangizo ndikuwonetsetsa kuti mtengo wake umakhalabe wolimba pambuyo pochepetsa kupanikizika. Ntchito yofunikira ya valve yochepetsera kupanikizika imaphatikizapo kuwongolera kusinthasintha, mawonekedwe a kupanikizika ndi mawonekedwe akuyenda. Mawonekedwe a kupsinjika ndi mawonekedwe amayendedwe ndi zinthu ziwiri zofunika kwambiri pa kupanikizika-kuchepetsa valavu ndipo imakhala maziko ofunikira pakusankha ndikugwiritsa ntchito. Posankha kupanikizika -kuchepetsa valavu, mtundu wake ndi kulondola kwa kayendetsedwe ka kayendetsedwe kake ziyenera kutsimikiziridwa malinga ndi zofunikira zogwiritsira ntchito, ndiyeno m'mimba mwake iyenera kusankhidwa molingana ndi kuchuluka kwa kutuluka komwe kumafunika. Kapangidwe ka valavu yochepetsera -ikuwonetsedwa pachithunzichi. Kuthamanga kwa mpweya wa valve kuyenera kukhala kwakukulu kuposa kuthamanga kwakukulu kwa 0.1MPa. Vavu yochepetsera{11}nthawi zambiri imayikidwa pambuyo pa cholekanitsa madzi ndi fyuluta ya mpweya komanso pamaso pa choyatsira mafuta, monga momwe zasonyezedwera pachithunzichi. Chonde dziwani kuti musatembenuze polowera ndi potuluka. Vavu ikasagwiritsidwa ntchito, chobowocho chiyenera kumasulidwa kuti chiwalocho chisapunduke kaŵirikaŵiri popanikizika, zomwe zingasokoneze ntchito yake.
Chithunzi: Mapangidwe a valavu yochepetsera-vavu
Chithunzi: Malo oyika valavu yochepetsera-vavu
3. Dera lowongolera kuthamanga
Dongosolo lowongolera kuthamanga ndi gawo lofunikira lomwe limasunga kupanikizika mkati mwa dera linalake kapena kumathandizira kuti dera lipeze zovuta zamagulu osiyanasiyana. Zomwe zimagwiritsidwa ntchito nthawi zambiri zimaphatikizapo mabwalo oyambira owongolera kuthamanga komanso mabwalo achiwiri owongolera.
Gawo loyamba lowongolera kuthamanga
Dongosolo lowongolera kuthamanga kwapakati limagwiritsidwa ntchito kuwongolera kupanikizika kwa tanki yosungiramo gasi kuti lisapitirire kuchuluka kwamphamvu komwe kumanenedwa. Ma valve owongolera akunja ndi zida zamagetsi zolumikizirana ndi magetsi nthawi zambiri amagwiritsidwa ntchito kuwongolera kuyambika ndi kuyimitsidwa kwa ma compressor a mpweya, kusunga kupanikizika mu tanki yosungiramo mpweya mkati mwazomwe zafotokozedwa. Mageji okhudzana ndi magetsi amatengedwa, omwe ali ndi zofunika kwambiri pamagalimoto ndi kuwongolera. Nthawi zambiri amagwiritsidwa ntchito powongolera ma compressor ang'onoang'ono a mpweya, monga momwe tawonetsera pa Chithunzi.
Chithunzi: Chojambula choyambirira chowongolera kuthamanga
2) Kuwongolera kuthamanga kwachiwiri
Kuthamanga kwachiwiri kwachiwiri kumayendetsa kwambiri mphamvu ya mpweya wa mpweya wa mpweya. Potumiza ma pneumatic, cholekanitsa madzi ndi fyuluta ya mpweya, vavu yochepetsera mphamvu ndi mafuta opaka mafuta nthawi zambiri amatchulidwa kuti pneumatic three-piece sets. Monga momwe zasonyezedwera pachithunzichi, ndi gawo lachiwiri lowongolera kuthamanga kopangidwa ndi pneumatic three-piece sets.
Chithunzi: Second pressure control circuit
② valavu yoyendetsa ndi kuyendetsa liwiro
Kuonetsetsa kuti silinda ikugwira ntchito bwino komanso yodalirika, kuthamanga kwa silinda kuyenera kuyendetsedwa. Njira yodziwika ndiyo kugwiritsa ntchito valavu yowongolera kuthamanga kuti mukwaniritse izi. Valavu yoyendetsa kayendedwe ka kayendedwe ka mpweya imayendetsa kayendetsedwe ka mpweya wa mpweya poyendetsa mpweya wa mpweya, ndipo kulamulira kwa mpweya kumatheka mwa kusintha malo othamanga a valve control valve. Ma valve omwe amagwiritsidwa ntchito nthawi zambiri amaphatikizapo ma throttle valves, amodzi-ma valve a njira, ma valve otulutsa mpweya, ndi zina zotero.
One-vavu yopumira
The one-way throttle valves ndi Valovu yolumikizira yopangidwa ndi-vavu yanjira imodzi ndi valavu yolumikizira molumikizana. Mapangidwe ake ndi chizindikiro chojambula chikuwonetsedwa mu Chithunzi. Pamene mpweya umayenda kuchokera ku doko P kupita ku doko A, umagwedezeka kupyolera mu valve yothamanga. Pamene ikuyenda kuchokera ku A kupita ku P, valavu yotsegula imatsegula popanda kugwedeza. Njira imodzi-ma valve throttle valves amagwiritsidwa ntchito nthawi zambiri powongolera liwiro komanso kuchedwa kwa masilinda.
Chithunzi: Maonekedwe ndi chizindikiro cha imodzi-valavu yopumira
2. Kuthamanga kwa liwiro
Ma cylinder-awiri okhala ndi njira ziwiri zosinthira: intake throttling ndi exhaust throttling. Chithunzicho chikuwonetsa kusintha kwa ma intake throttling. Panthawi yoloza, pamene njira yonyamula katundu ikutsutsana ndi pisitoni, kayendetsedwe ka pisitoni kamakhala kosavuta, ndiko kuti, chinthu chokwawa. Pamene njira yonyamula katunduyo ikugwirizana ndi pisitoni, katunduyo amatha kuuma, zomwe zimapangitsa kuti silindayo iwonongeke. Chifukwa chake, gawo losinthira ma intake throttling limagwiritsidwa ntchito kwambiri pamasilinda omwe adayikidwapo. Kwa ma cylinders okhazikika, mawonekedwe osinthira nthawi zambiri amatenga gawo lowongolera, monga momwe tawonera pachithunzichi. Monga momwe tawonetsera pachithunzichi, ndi chithunzi chowongolera liwiro chopangidwa ndi ma throttle valves. Mpweya wopanikizidwa ukalandira kuchokera kumapeto A ndipo watopa kuchokera kumapeto kwa B, valavu ya valavu imodzi-yomwe imatsegula valavu A imatseguka kuti ifufuze mofulumizitsa chibowo chopanda ndodo cha silinda. Popeza valavu imodzi{{10}yanjira imodzi-yotsekera valavu B, mpweya womwe uli m'bowo ukhoza kutulutsidwa kudzera mu valavu ya throttle. Posintha mlingo wotsegulira wa valve B, kuthamanga kwa kayendedwe kamene silinda ikukwera ikhoza kusinthidwa. Mosiyana ndi zimenezi, kusintha mlingo wotsegulira wa throttle valve A kungasinthe kuthamanga kwa silinda pamene ikubwerera. Njira yowongolera iyi imatsimikizira kugwira ntchito kokhazikika kwa pisitoni ndipo ndiyomwe imagwiritsidwa ntchito kwambiri.
Chithunzi: Unidirectional adjustment circuit ya double-acting silinda
Chithunzi: Kuwongolera liwiro lozungulira lopangidwa ndi ma throttle valves Chithunzi
③ valavu yowongolera ma elekitirodi ndi ma pneumatic control circuit
1. Valavu yowongolera njira
Valavu yoyendetsera kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka mpweya ndi kusokonezeka kwa mpweya. Ma valve owongolera ma pneumatic amatha kugawidwa m'mitundu yosiyanasiyana kutengera kapangidwe ka valavu, monga mtundu wa valavu ya slide, mtundu wa globe, mtundu wa flat flat, mtundu wa pulagi ndi mtundu wa diaphragm, pomwe mtundu wa globe ndi valavu ya slide amagwiritsidwa ntchito kwambiri. Malinga ndi njira zosiyanasiyana zowongolera, amatha kugawidwa mumtundu wowongolera ma elekitiroma, mtundu wowongolera pneumatic, mtundu wowongolera makina, mtundu wowongolera pamanja ndi mtundu wowongolera nthawi, etc. Malinga ndi mawonekedwe awo ogwirira ntchito, amatha kugawidwa mumtundu wa unidirectional ndi mtundu wobwerera. Malinga ndi kuchuluka kwa madoko komanso kuchuluka kwa malo ogwirira ntchito, imatha kugawidwa m'mitundu yosiyanasiyana monga ziwiri-njira ziwiri-njira ziwiri, ziwiri-malo atatu-njira, ndi atatu-malo asanu-njira, monga momwe zasonyezedwera mu Table.
Table: Madoko ndi Malo Ogwirira Ntchito a Directional Control Valves
2. Valovu yowongolera njira yamagetsi
Valavu yoyang'anira ma elekitiroma imagwiritsa ntchito mphamvu yoyamwa ya ma electromagnet kukankhira pachimake valavu kuti isinthe momwe valavu imagwirira ntchito, potero imayang'anira kayendedwe ka mpweya. Popeza imatha kuwongoleredwa ndi ma siginoloji otumizidwa ndi -ma switch switch, ma switch switch, ma switch apafupi, ndi zina zotero, ndiyosavuta kupeza ma elekitirodi-pneumatic combined control ndipo imatha kuyendetsedwa patali, pogwiritsa ntchito mitundu ingapo. Kugawika kofala kwa mavavu a solenoid kumatengera kuchuluka kwa madoko ndi malo ogwirira ntchito a valavu core, kuphatikiza awiri-magawo awiri-njira ziwiri, ziwiri-malo atatu-njira, atatu-malo asanu{10}njira, ndi zina zambiri. Malinga ndi kuchuluka kwa ma coil oyendetsedwa ndi ma electromagnet, ma valve a solenoid amaikidwa m'magulu amodzi{12}}olamulidwa ndi aŵiri{13}}awiri. Ma electromagnets amagawidwa m'mitundu itatu kutengera magwero amagetsi osiyanasiyana omwe amagwiritsidwa ntchito: mtundu wa AC, mtundu wa DC ndi mtundu wakomweko. Mtundu uwu ndi mtundu wa AC wokonzanso. Maginito amagetsi amenewa ali ndi theka{17}}wave rectifier, yomwe imatha kugwiritsa ntchito AC mwachindunji pomwe ili ndi mawonekedwe ndi mawonekedwe a DC electromagnet. Ikagwiritsidwa ntchito, valavu yoyendetsera ma elekitirodi yoyenera iyenera kusankhidwa malinga ndi zofunikira zowongolera.
Chithunzichi chikuwonetsa chithunzithunzi cha mfundo yogwirira ntchito yachindunji-chinthu chimodzi choyendetsedwa ndi magetsi-chithunzi chachitatu-njira ya electromagnetic directional control valve.
Chithunzi: Ndondomeko yogwirira ntchito ya valavu yowongolera molunjika-yoyendetsedwa ndi magetsi
Mfundo yogwirira ntchito: Pamene maginito amagetsi atha-mphamvu, valavu imakankhidwira kumapeto kumtunda ndi kasupe, kulumikiza 7 ndi A. Maginito a electromagnet akapatsidwa mphamvu, chitsulo chachitsulo chimakankhira pakati pa valavu kumunsi kumunsi kupyolera muzitsulo zokankhira, kulumikiza P ndi A.
Chithunzichi chikuwonetsa ndondomeko yoyendetsera ntchito ya-yochita, yowongoleredwa pawiri{1}}pamalo asanu-njira ya electromagnetic directional control valve. Chithunzichi chikuwonetsa ndondomeko yoyendetsera ntchito ya woyendetsa{4}}yoyendetsedwa ndi magetsi awiri.
Chithunzi: Ndondomeko yogwirira ntchito yachindunji-yochita kuwirikiza kawiri yowongoleredwa ndi magetsi{1}}position five-way solenoid valve
Chithunzi: Ndondomeko yogwirira ntchito ya woyendetsa{0}}yoyendetsedwa ndi valavu yoyendetsedwa ndi magetsi
Pamwambapa pali zida zowongolera za Pneumatic komanso mabwalo oyambira. Kuti mudziwe zambiri zokhudzana ndi izi, pitanihttps://www.joosungauto.com/.
