Valvụ lifter: nkọwa na photos

Na nke ọ bụla esịtidem combustion engine, a usoro oge. Ọ na-agụnye a yinye ma ọ bụ belt mbanye, Kwadobe, uzo mmiri ma tinyekwa valvụ. Adịbeghị anya na-achịkwa ọkọnọ na-agbapụta n'ahụ nke mmanụ ụgbọala-air ngwakọta nke na-combusted na cylinder ụlọ. valvụ pushrod engine na-eji ebe a. Olee ụdị ngwaọrụ na ihe ndị e ji mara ya? About niile a - mgbe e mesịrị na isiokwu a.

feature

valvụ tappet (WHA gụnyere) bụ onye so ebute agha si mkpanaka na camshaft. On oge a ụgbọala iji drọm-ụdị usoro. Ha na-mere nke nkedo ígwè. Ma n'ihi na valvụ lifters ( "Ford Focus 2" - sokwa) na-arụ ọrụ n'okpuru ibu, ha ala akụkụ na-obi tara mmiri na mgbatị usoro. A ana achi achi a pụrụ ịdabere na support elu maka cam. Gbọmgbọm ekara valvụ tappet nwere obere onu site nke mmanu a na-ekesa. Ọzọkwa, ndị a ọcha nwere a nta ibu karịa n'ibu. Iji kpatụ thermal ọdịiche o nwere a pụrụ iche kpọchie. Ná ngwụsị nke isiokwu anyị ga-esi eme ya. Gbọmgbọm ekara ọcha adabara ugbo ala na valves emi odude ke elu nke ngọngọ. The ala njedebe nke mmewere dị na ezumike na n'elu ya na-arụ ọrụ na valvụ tappet mkpara. Ma n'agbanyeghị ma ọ bụ a haịdrọlik ma ọ bụ n'ibu mmewere, ma ụdị nke na-arụ ọrụ na engine ngọngọ. On ochie Soviet mere ụgbọala arụnyere valvụ tappet nke a dị iche iche a haziri. Ha na-mere nke na-abụghị obi tara mmiri nchara na enịm ke a collapsible ngọngọ pusher. Ikpeazụ kpọgidere na cylinder ngọngọ kpọchie. Na cam mmewere nwere a curved convex profaịlụ.

ọzọ di iche iche

Ụfọdụ na-onwem na n'ibu tappets cam na a ogologo profaịlụ. Ndị dị otú ahụ ihe na-eji na njikọ na rollers. Adịbeghị anya bugharia na ihe axis. Ugbu a yiri ngwọta na-eji nanị vysokooborotisty engines. Ruru akwa puru nke ileghara ala na-agba gburugburu na Flange ngwa ngwa karịa banyere planar isi. The na-eri nke ndị dị otú ahụ a Ọdịdị bụghị dị iche iche site na ndị ọzọ ndị ọgbọ. Otú ọ dị, e nwere nnukwu drawback. N'oge ọrụ, n'ụzọ na-eyi pusher axle. On mmewere kenyere elu shiee ibu.

On ewepụghị n'ala

Tappet valvụ nke ụdị agbanyere ya rails. Gịnị na-eme? Nke a na-ebelata slippage n'etiti pusher na cam. Ọ na-ebelata-eyi na nkesa. Ọ bụ ihe edo. Ma ihe ndị dị n'eluigwe na ụwa nke a ala ụdị, ha adịghị bugharia na ha anyụike na ahazi nsọtụ.

haịdrọlik

All engine ọrụ na-esonyere elu okpomọkụ. Ma ebe ọ bụ na ọtụtụ ihe ndị na-nke ike unit ka nke metal, agbasaghị ịmụba ya. N'ihi ya, mgbanye gaps na-gbanwere, karịsịa na valves. N'ezie ha na-kwetara n'ime-ulo a combustible ngwakọta na-emepụta kpụ ọkụ n'ọnụ iyuzucha, haruru atugharị. Iji ire ụtọ mkpọtụ aa ini ọrụ n'ebe a engines iji a haịdrọlik valvụ lifter. Ọ ụgwọ ndị clearances na-amụba na usen okpomọkụ nke na-arụ ọrụ unit.

Gịnị bụ ihe owuwu?

Na ikpe nke a haịdrọlik pusher nwere a plunger. Na nke ikpeazụ e nwere abụọ ese foto. Nke a na-afụ na udia ulo, nke na-enweta mmanu si engine n'oge ọrụ. Ọzọkwa, a na mmanụ na-aga site na obi ụtọ valvụ n'ime ọgwụ akụkụ. Iji chefuo gaps na elu ziri ezi, na olu nke mmiri mmiri dosed n'ime plunger. Ahu ya nke pusher pushes spring. N'ihi ya, ihe kwes ọdịiche e weghachiri nkịtị ụkpụrụ. N'oge na oghere nke oriri ma ọ bụ iyuzucha valvụ, mmanụ echekwara na-agbapụta n'ahụ ụlọ. Ball valvụ laghachi a òkè nke ya azụ n'ime ọkọnọ ụlọ. Mgbe pusher ahụ na-akpali elu ike a ọmụmụ nsogbu. Oil eme ka plunger ịkwaga ikwu na ụlọ. Mgbe valvụ na-emechi, na e nwere a-etekwa leakage si plunger. Otú ọ dị, na oghere nke ọhụrụ a mwepu na-ahụ ụgwọ atụrụ site na pumping ụlọ. Mgbe malite engine, ndị ọcha nke ndị camshaft na-inweta ọrụ okpomọkụ. Metal kọwakwuru na mmanụ olu na pumping ulo-ebelata. N'ihi achikota ọrụ nke usoro nke akwụ ụgwọ nke clearances n'etiti valves. Ọzọkwa dị otú ahụ ihe na-tinye n'ọrụ dị ka a rocker na valvụ mkpara. N'okpuru ebe anyị ga-ele anya na ihe ha bụ.

Rod na rocker

The mbụ mmewere bụ a metal tube na a dayameta nke 12 millimeter. Ọ na-eji maka nnyefe nke agha na-abịa site na pusher ka okporo osisi. On anwụrụ crimping ọnụ bụ spherically ekara. The ala so akwuru na ikiri ụkwụ nke pusher, na top - na Ịgbazi ịghasa. Na Atụmatụ na-nyere lubrication oghere. Ha gabiga uji eze na amị tube valves. The rocker e mere na-ebunye agha si mkpanaka valvụ. Mmewere na ka ígwè. N'elu mmanya bụ obere rocker ogwe aka. ọ bụ ogologo oge n'elu valvụ. N'oge na-adịghị na e nwere a mkpọchi nut maka egosi thermal ọdịiche (naanị n'ibu ọcha). Mkpanaka na-emi odude na onye axis. Ọ enwe abụọ ọla bushings.

Gịnị na-valvụ tappet-ahọrọ?

Dị ka anyị kwuru na mbụ, e nwere ndị n'ibu, na haịdrọlik ala ọcha. Na ndị a n'akụkụ nnọchi na-ewelite ajụjụ nke ị na-ahọrọ ndị kasị mma ụdị pusher. Ya mere, ka iji. Mechanical ọcha - nke a bụ ihe ndị kasị dị mfe ma dị ọnụ ala karịa pushers. Ha isi drawback - enweghi ike chefuo maka ọdịiche. N'ihi ya, a set nke engine ọrụ okpomọkụ ha na-amalite emit a ji mara mkpọtụ. All clearances nwere ka a aka site n'ịgbanwe kpọchie. Ma hydro, ha na-akpaghị aka na-etinye niile gaps. Ndị a pushers bụ a obere ulo, na koodu na-agụnye a pressurized mmanụ. N'ihi ya, na ọdịiche ukpụhọde na-rụrụ site lubrication usoro. Ha na-ego, na n'ihu hazie ha adịghị mkpa. The naanị drawback - ọ bụ "akpụkọta" pushers na elu gbapụrụ ọsọ. Ma na nke a na-eji Rolling ọcha na ha ndabere. Hydraulic ala lifters na-haziri maka ogologo ọrụ ndụ. Ekele ha, ị nwere ike budata dịkwuo ike nke unit. Akụkụ pushers nke valves nke ụdị ndị yiri ka ọkọlọtọ, otú ahụ nsogbu na nnọchi ị agaghị. Ugbu a, ọ bụ ndị kasị mma nhọrọ n'etiti ihe nile nke di na ahịa.

Olee otú iji chọpụta nsogbu ahụ?

Breakage nke mmewere nwere ike mata site e ji mara ụda. Dị ka akụkụ ekpughe chọrọ ọdịiche na breakage nwere ike nụrụ ịkụ metal n'okpuru valvụ cover. Na-amụba ọsọ ọ na-adịkwu. Nke a pụtara na a cell nwere ike ghara natara mmanụ ma ọ bụ na-arụ ọrụ otu n'ime ese foto.

Mgbe a na nkịtị?

Ọ ga-kwuru na mkpọtụ si valvụ cover mgbe engine na-malitere - ọ bụ nnọọ nkịtị. Ọ bụrụ na ụgbọala bụ oké ọnụ ahịa karịa 2 awa, na mmanụ si pushers ga-akpaghị aka wepuÚ. Ha kwesịrị oge na-agba ọsọ-na. Malite na engine, ige ntị na ya. Ọ bụrụ na n'ime 10 sekọnd noises akwụsị, valvụ tappet gbatara chọrọ nọmba nke mmanụ na-gosipụtawo nwechapụ. Ọ bụrụ na ọ bụghị, dịcha, mmewere bụ nke iji. N'ihi na ala na-eri, ihe ezi uche ngwọta bụ ịzụta a ọhụrụ valvụ lifters. Ọ na-atụ aro ịzụta a set nke usoro na-eji dochie ha na onye ọ bụla mkpara.

Olee otú ịtọ thermal ọdịiche?

Ọ bụrụ na nke a n'ibu pusher, ga-eme ya onwe gị. Ukpụhọde a rụrụ na a oyi engine. Mbụ ị mkpa na-emeghe na boneeti. Next anyị ekpughe ndị anọ cylinder na n'elu nwụrụ anwụ center. Iji mee nke a, ihere Central ize ndụ na n'ihu cover na esịtidem combustion engine Mehta pole crankshaft. nke ikpeazụ a na-agba gburugburu maka a kwesịrị ekwesị spanner ratchet. Next gaba ukpụhọde nke asatọ na nke isii valvụ. Iji nyocha-ekpughe na ọdịiche dị n'etiti ndị rocker na cam, n'usoro nke locknut. Mgbe ahụ pịgharịa na crankshaft 180 degrees na ịgbanwe nke asaa na anọ valvụ. Mgbe ahụ - a zuru ezu mgbanwe na-mwube nke atọ na nke mbụ mmewere. Gịnị bụ Next? Akwụkwọ Mpịakọta ọzọ ọkara n'aka na ịgbanwe nke ise na nke abụọ valvụ. Ua locknut na-ezukọta azụ valvụ okpu. Itunanya bu na, kama nke crankshaft nwere ike-atụle ntụgharị mmịfe mgbanye nkesa. N'ihi ya, ọ ga-adị mfe. Ma nke a na ọnọdụ e debere mgbe a 90 ogo adiana. Anyị na-amalite na engine na-elele ya mkpọtụ. Ọ ga-abis.

ọgwụgwụ

Ya mere, anyị hụrụ na ndị a ọcha bụ ugbu a. Ọ bụrụ na ọ bụla mgbaàmà egbula oge nnọchi nke pushers. Nke a nwere ike ibelata ndụ nke engine, akpan akpan, OGE nkọwa.