Iyini i-Valve gear?

Ukuqonda I-Valve Gear: Isimangaliso Sobunjiniyela

I-valve geariwumshini obalulekile ezinjinini zesitimu, ezinomthwalo wemfanelo wokulawula isikhathi nokunyakaza kokungena kwesitimu kanye nokukhipha umoya kumasilinda enjini. Umsebenzi wayo ubalulekile ekuthuthukiseni ukusebenza kahle, amandla, kanye nokushelela kokusebenza emishinini esebenzisa isitimu. Kusukela ezitimeleni kuya ezinjinini ezimile, igiya levalvu limelela impambana-mgwaqo ehehayo yokunemba kwemishini kanye nokuqanjwa kabusha kobunjiniyela.

Izisekelo ze-Valve Gear

Inhloso eyinhloko yegiya le-valve ukulawula ukungena nokuphuma kwesitimu kumasilinda enjini. Lokhu kuhlanganisa imisebenzi emibili ebalulekile:

1. Ukungena kwesitimu: Ukuvula amavalvu ukuvumela isitimu esinomfutho ophezulu ukuba singene kusilinda, sishayele ipiston.
2. I-Steam Exhaust: Ukuvula ama-valve ukukhulula isitimu esichithiwe, ukulungiselela isilinda umjikelezo olandelayo.

Ngokuvumelanisa lezi zinqubo, igiya le-valve liqinisekisa ukuthi injini isebenza kahle futhi iletha amandla aphezulu.

Izinhlobo ze-Valve Gear

Ngokuhamba kweminyaka, kuye kwasungulwa imiklamo eminingana yegiya lama-valve, ngalinye linikeza izinzuzo ezihlukile. Ezinye zezinhlobo eziphawuleka kakhulu zihlanganisa:

• I-Stephenson Valve Gear:Enye yezinhlobo zakuqala nezisetshenziswa kakhulu, ezaziwa ngobulula nokuthembeka kwayo.
• I-Walschaerts Valve Gear:Isetshenziswa kakhulu kuma-locomotives, enikeza ukulawula okunembile kanye nokuncipha kokuguga ezingxenyeni.
• I-Baker Valve Gear:Idizayini yakamuva eqeda izingxenye ezishelelayo, ihlinzeka ngesistimu ehlala isikhathi eside futhi esebenza kahle.
• I-Caprotti Valve Gear:Isistimu yevalvu ye-poppet esetshenziswa kwezinye izinjini zesimanje zesitimu, egcizelela ukusebenza kahle kanye nokugcinwa okuncishisiwe. ama-valve wepayipi

Umkhiqizi weGear Belon Gear - Shanghai Belon Machinery Co., Ltd.

Amasistimu wamagiya e-valve ezinjinini zesitimu ngokuvamile asebenzisa amagiya e-spur noma amagiya e-bevel, kuya ngomklamo nenjongo ethile:

1. Spur Gears

Spur gear okuvamile ezindleleni ezilula zamagiya lapho amazinyo egiya ehambisana ne-eksisi yegiya.
Isetshenziselwa ukudlulisa ukunyakaza phakathi kwamashafti ahambisanayo ezindleleni zamavalvu.
Kuncanyelwa ukwenza kube lula ukukhiqiza kanye nokudluliswa kokunyakaza okunembile.
2. Bevel Gears
I-Bevel gearisetshenziswa lapho ukunyakaza kudinga ukudluliselwa phakathi kwamashafti nge-engeli, ngokuvamile engu-90 degrees.
Itholakala kumadizayini athile egiye lama-valve, ikakhulukazi uma ukwakheka kwenjini kudinga ukuqondiswa kabusha kokunyakaza kwe-angular.

3. Amagiya e-Helical(Akuvamile kumasistimu wamagiya e-valve)

Kwesinye isikhathi isetshenziselwa ukusebenza okushelelayo nokuthule, kodwa okungajwayelekile ngenxa yobunkimbinkimbi nezindleko.
Ezimweni eziningi, amagiya asezinhlelweni zamagiya e-valve abeka phambili ukuqina nokuthembeka ngaphezu kwejubane, uma kubhekwa izidingo zokusebenza kwezinjini zesitimu.

Izingxenye kanye nokusebenza

Isistimu yegiya ye-valve ejwayelekile ihlanganisa izingxenye eziningana: izinduku ze-eccentric, izixhumanisi, ama-lever, nama-valve ngokwawo. Ukunyakaza kwalezi zingxenye kususelwa ku-crankshaft yenjini noma amasondo okushayela, okuqinisekisa ukuvumelanisa okunembile nokunyakaza kwepiston. Ukulungiswa kwesikhathi se-valve kungenziwa futhi ukuze kuthwale imithwalo ehlukahlukene noma izimo zokusebenza, inqubo eyaziwa ngokuthi “i-notching up” noma “isixhumanisi.”

Iqhaza Ekusebenzeni Ngempumelelo Nasekusebenzeni

Ivalvuigiya kuba nomthelela omkhulu ekusebenzeni kahle kwezinga lokushisa kwenjini. Isikhathi esifanele sinciphisa ukumosheka kwesitimu futhi siqinisekise ukuthi injini isebenza ngaphakathi kwemingcele yayo efanele. Onjiniyela bavame ukuzama izilungiselelo ezihlukene zamavalvu ukuze bakhulise ukuphuma kwamandla kuyilapho behlisa ukusetshenziswa kukaphethiloli namanzi.

Ifa kanye Nokufaneleka Kwesimanje

Nakuba izinjini zesitimu ziye zathathelwa indawo izinjini ezivuthayo zangaphakathi namamotho kagesi, amagiya e-valve ahlala eyisihloko esithakaselwayo ekulondolozweni komlando kanye nezifundo zobunjiniyela. Izitimela eziningi eziyigugu kanye nabashisekeli bagcina ifa liphila ngokugcina nokubuyisela izitimela ezinezitimela ezinamadizayini ahlukahlukene amagiya.