Yintoni isixhobo seValve?

Ukuqonda iGear yeValve: Ummangaliso wobuNjineli

Isixhobo sevalvusisixhobo esibalulekileyo kwiinjini zomphunga, onoxanduva lokulawula ixesha kunye nentshukumo yokungeniswa komphunga kunye nombhobho kwiisilinda ze-injini. Umsebenzi wayo ubalulekile ekuphuculeni ukusebenza kakuhle, amandla, kunye nokusebenza ngokutyibilikayo koomatshini abaqhutywa ngumphunga. Ukusuka kwizitimela ukuya kwiinjini ezimileyo, izixhobo zevalvu zibonisa ukudibana okutsala umdla kokuchaneka koomatshini kunye nokwenziwa kwezinto ezintsha zobunjineli.

Iziseko zeGear yeValve

Eyona njongo iphambili yezixhobo zevalvu kukulawula ukuphuma nokungena komphunga kwiisilinda ze-injini. Oku kubandakanya imisebenzi emibini engundoqo:

1. Ukungena kwe-Steam: Ukuvula iivalve ukuvumela umphunga woxinzelelo oluphezulu ukuba ungene kwi-cylinder, uqhuba ipiston.
2. I-Steam Exhaust: Ukuvula iivalve ukukhulula umphunga ochithekileyo, ulungiselela isilinda kumjikelo olandelayo.

Ngokulungelelanisa ezi nkqubo, izixhobo zevalvu ziqinisekisa ukuba injini isebenza ngokufanelekileyo kwaye inika amandla aphezulu.

Iintlobo zeGear yeValve

Ukutyhubela iminyaka, uyilo oluninzi lwezixhobo zevalvu ziye zaphuhliswa, nganye ibonelela ngeenzuzo ezizodwa. Ezinye zezona ntlobo ziphawulekayo ziquka:

• Stephenson Valve Gear:Enye yezona ntlobo zokuqala kunye nezona zisetyenziswa ngokuqhelekileyo, ezaziwa ngokulula kunye nokuthembeka.
• Isixhobo seValve yeWalschaerts:Isetyenziswa kakhulu kwiilocomotives, enikezela ngolawulo oluchanekileyo kunye nokuncipha kokunxiba kumalungu.
• Isixhobo seValve ye-Baker:Uyilo lwamva olususa iindawo ezityibilikayo, lubonelela ngenkqubo eyomeleleyo nesebenzayo.
• Isixhobo seValve yeCaprotti:Inkqubo yevalve ye-poppet esetyenziswa kwezinye iinjini zanamhlanje zomphunga, igxininisa ukusebenza kakuhle kunye nokugcinwa okucuthiweyo. izixhobo zeevalvu zemibhobho

Umenzi weGear yeSiko iBelon-iShanghai Belon Machinery Co., Ltd.

Iinkqubo zegiya zevalve kwiinjini zomphunga zihlala zisebenzisa iigiya ze-spur okanye iigiya ze-bevel, kuxhomekeke kuyilo kunye nenjongo ethile:

1. Spur Gears

Spur gear Ixhaphakile kwiindlela ezilula zevalve apho amazinyo egiya adityaniswa ne-axis yegiya.
Isetyenziselwa ukuhambisa intshukumo phakathi kweeshafti ezinxuseneyo kwiindlela zevalvu.
Ikhethwa ngokulula kwabo ekwenzeni kunye nokuhanjiswa okuchanekileyo kwentshukumo.
2. Bevel Gears
Isixhobo esinamandlaisetyenziswe xa isindululo sifuna ukuhanjiswa phakathi kweeshafti kwi-engile, ngokuqhelekileyo i-90 degrees.
Ifunyenwe kuyilo lwegiya yevalve, ngakumbi xa uyilo lwe-injini lufuna ukwalathisa intshukumo ye-angular.

3. Iigiya zeHelical(Kunqabile kwiinkqubo zezixhobo zevalvu)

Ngamanye amaxesha isetyenziselwa ukusebenza ngokutyibilikayo kunye nokuzola, kodwa kunqabile ngenxa yobunzima kunye neendleko.
Kwiimeko ezininzi, iigiya kwiinkqubo zegiya zevalvu zibeka phambili ukuqina kunye nokuthembeka ngaphezulu kwesantya, ngokunikwa iimfuno zokusebenza kweenjini zomphunga.

Amacandelo kunye nokusebenza

Inkqubo yegiya yevalvu eqhelekileyo ibandakanya amacandelo amaninzi: iintonga ze-eccentric, amakhonkco, iileva, kunye neevalvu ngokwazo. Ukushukuma kwezi ndawo kuthatyathwe kwi-crankshaft ye-injini okanye amavili okuqhuba, ukuqinisekisa ungqamaniso oluchanekileyo kunye nokuhamba kwepiston. Ulungelelwaniso kwixesha levalvu lunokwenziwa ukulungiselela imithwalo eyahlukeneyo okanye iimeko zokusebenza, inkqubo eyaziwa ngokuba “yi-notching up” okanye “ikhonkco.”

Indima ekusetyenzweni nasekusebenzeni

Ivalveizixhobo Ichaphazela kakhulu ukusebenza kakuhle kwe-injini yobushushu. Ixesha elifanelekileyo linciphisa ukumoshakala komphunga kwaye liqinisekisa ukuba injini isebenza ngokweyona parameters ilungileyo. Iinjineli zihlala zivavanya useto lwevalvu ezahlukeneyo ukwandisa ukuphuma kwamandla ngelixa kuncitshiswa ukusetyenziswa kwamafutha kunye namanzi.

Ilifa kunye nokubaluleka kwangoku

Ngelixa ii-injini zomphunga ubukhulu becala ziye zatshintshwa ziinjini zokutsha zangaphakathi kunye neenjini zombane, izixhobo zevalvu zihlala zingumxholo womdla wogcino lwembali kunye nezifundo zobunjineli. Oololiwe abaninzi belifa lemveli kunye nabathandi bagcina ilifa liphila ngokugcina nokubuyisela iilocomotives zomphunga ngoyilo olwahlukeneyo lwegiya zevalvu.