Menene Valve Gear?

Fahimtar Valve Gear: Abin mamaki Injiniya

Kayan aiki na Valvehanya ce mai mahimmanci a cikin injinan tururi, alhakin daidaita lokaci da motsi na shigar tururi da shaye-shaye a cikin silinda na injin. Ayyukansa yana da mahimmanci don haɓaka inganci, ƙarfi, da santsin aiki a cikin injina masu ƙarfin tururi. Daga locomotives zuwa injunan tsaye, gear ɗin bawul ɗin yana wakiltar mahaɗa mai ban sha'awa na daidaiton injina da ƙirar injiniya.

Abubuwan da ake buƙata na Valve Gear

Manufar farko na kayan aikin bawul shine don sarrafa kwararar tururi zuwa ciki da waje na silinda na injin. Wannan ya ƙunshi manyan ayyuka guda biyu:

1. Steam Admission: Buɗe bawuloli don ba da damar tururi mai ƙarfi don shigar da silinda, yana tuƙi piston.
2. Tushen Ƙarfafawa: Buɗe bawuloli don sakin tururi da aka kashe, shirya silinda don sake zagayowar gaba.

Ta hanyar aiki tare da waɗannan matakai, kayan aikin bawul suna tabbatar da cewa injin yana aiki da kyau kuma yana ba da mafi girman iko.

Nau'o'in Valve Gear

A cikin shekaru da yawa, an ƙirƙira ƙira da yawa na kayan aikin bawul, kowannensu yana ba da fa'idodi na musamman. Wasu daga cikin fitattun nau'ikan sun haɗa da:

• Stephenson Valve Gear:Ɗaya daga cikin na farko kuma mafi yawan nau'o'in da ake amfani da su, wanda aka sani don sauƙi da aminci.
• Walschaerts Valve Gear:An yi amfani da shi sosai a cikin locomotives, yana ba da ingantaccen sarrafawa da rage lalacewa akan abubuwan da aka gyara.
• Baker Valve Gear:Ƙirar daga baya wanda ke kawar da sassa masu zamewa, samar da tsarin da ya fi dacewa da inganci.
• Caprotti Valve Gear:Tsarin bawul ɗin poppet da aka yi amfani da shi a cikin wasu injunan tururi na zamani, yana jaddada inganci da rage kulawa. bututun bawuloli kaya

Custom Gear Belon Gear Manufacturer - Shanghai Belon Machinery Co., Ltd.

Tsarin kayan aiki na Valve a cikin injunan tururi yawanci suna amfani da gears spur ko gear bevel, dangane da takamaiman ƙira da manufa:

1. Spur Gears

Spur kaya na kowa a cikin mafi sauƙi na kayan aiki na bawul inda haƙoran gear suke daidai da axis gear.
Ana amfani da shi don watsa motsi tsakanin raƙuman layi ɗaya a cikin hanyoyin bawul.
An fi so don sauƙi na masana'anta da madaidaicin watsa motsi.
2. Bevel Gears
Bevel kayan aikiana amfani da shi lokacin da ake buƙatar watsa motsi tsakanin igiyoyi a kusurwa, yawanci 90 digiri.
An samo shi a cikin wasu ƙirar kayan aikin bawul, musamman lokacin da shimfidar injin ɗin ke buƙatar juyawa motsi na kusurwa.

3. Gishiri(Rare in valve gear Systems)

Wani lokaci ana amfani da shi don aiki mai santsi da natsuwa, amma ƙasa da kowa saboda rikitarwa da tsada.
A mafi yawan lokuta, gears a cikin tsarin kayan aikin bawul suna ba da fifikon dorewa da aminci fiye da gudu, idan aka yi la'akari da buƙatun aikin injin tururi.

Kayan aiki da Ayyuka

Tsarin kayan aikin bawul na yau da kullun ya haɗa da abubuwa da yawa: sandunan eccentric, hanyoyin haɗi, lefa, da bawuloli da kansu. An samo motsin waɗannan sassa daga ƙwanƙolin injin ko ƙafafun tuƙi, yana tabbatar da aiki tare da motsin piston. Hakanan ana iya yin gyare-gyare a cikin lokacin bawul don ɗaukar nauyin kaya daban-daban ko yanayin aiki, tsarin da aka sani da “notching up” ko “linking.”

Matsayin Nagarta da Ayyuka

Valvekayan aiki yana tasiri sosai ga ingancin zafin injin injin. Daidaitaccen lokacin yana rage ɓatar da tururi kuma yana tabbatar da cewa injin yana aiki a cikin mafi kyawun sigoginsa. Injiniyoyi sukan yi gwaji tare da saitunan bawul daban-daban don haɓaka ƙarfin wutar lantarki yayin rage yawan mai da ruwa.

Legacy da Dacewar Zamani

Yayin da injinan tururi aka maye gurbinsu da injunan konewa na ciki da injinan lantarki, kayan bawul ɗin ya kasance abin sha'awar adana tarihi da binciken injiniya. Yawancin layin dogo na gado da masu sha'awar gado suna kiyaye gadon rai ta hanyar kiyayewa da maido da mashinan tururi tare da ƙira iri-iri na bawul.