Umzi-mveliso uthengisa ngokuthe ngqo i-SAIC MAXUS V80 C00014713 iPiston Ring-92MM

Ulwazi lwemveliso

I-Piston Ring yintsimbi yentsimbi esetyenziselwa ukufaka kwi-groove yepiston. Kukho iindidi ezimbini zamakhonkco episton: iringi yokucinezela kunye neringi yeoli. Iringi yoxinzelelo isetyenziselwa ukutywina umxube otshayo kwigumbi lokutsha; Iringi yeoli isetyenziselwa ukukhuhla ioli engaphezulu kwicylinder.

I-piston ring yintsimbi ye-elastic ene-deformation enkulu yangaphandle, ehlanganiswe kwi-groove ye-annular ehambelana necandelo lomnqamlezo. Amakhonkco episton abuyelayo kunye ajikelezayo axhomekeke kumahluko woxinzelelo lwegesi okanye ulwelo ukwenza itywina phakathi komphandle ojikelezayo ongaphandle wesangqa kunye nesilinda kunye necala elinye lomsesane kunye negroove yeringi.

Izangqa zepiston zisetyenziswa kakhulu koomatshini bamandla abahlukeneyo, njengeenjini zomphunga, iinjini zedizili, iinjini zepetroli, iicompressors, oomatshini behydraulic, njl.njl., kwaye zisetyenziswa kakhulu kwiimoto, oololiwe, iinqanawa, iiyachts, njl. Ngokuqhelekileyo, iringi yepiston ifakwe kwi-ring groove yepiston, kwaye yenza igumbi elinepiston, i-cylinder liner, intloko yesilinda kunye amanye amacandelo ukwenza umsebenzi.

ukubaluleka

Iringi yepiston yeyona nto iphambili ngaphakathi kwi-injini yamafutha, egqibezela ukutywinwa kwerhasi yamafutha kunye ne-cylinder, ipiston, udonga lwesilinda, njl. Ngenxa yokusebenza kwazo ngokwahlukeneyo kwamafutha, amakhonkco episton asetyenziswayo nawo ahlukile. Amakhonkco episton okuqala ayenziwe ngokuphoswa, kodwa ngokuhambela phambili kwetekhnoloji, amakhonkco episton anamandla aphezulu azalwa. kunye nokuphuculwa okuqhubekayo komsebenzi we-injini kunye neemfuno zokusingqongileyo, izicelo ezahlukeneyo zonyango oluphezulu, njengokutshiza kwe-thermal, i-electroplating, i-chrome plating, i-nitriding yegesi, ukubekwa komzimba, ukugquma komhlaba, i-zinc-manganese phosphating, njl. njl. ring piston iphuculwe kakhulu.

Umsebenzi

Imisebenzi yendandatho yepiston ibandakanya imisebenzi emine: ukutywinwa, ukulawula ioli (ulawulo lweoli), ukuqhuba ukushisa (ukudluliselwa kobushushu), kunye nokukhokela (inkxaso). Ukutywinwa: kubhekisa ekutywineni irhasi, ukuthintela irhasi ekwigumbi lokutsha ukuba ingavuzi kwi crankcase, ukulawula ukuvuza kwerhasi ukuya kubuncinci, kunye nokuphucula ukusebenza kakuhle kobushushu. Ukuvuza komoya akuyi kunciphisa kuphela amandla e-injini, kodwa kutshabalalisa ioli, owona msebenzi uphambili wendandatho yomoya; Lungisa ioli (ulawulo lweoyile): cima ioli yokuthambisa engaphezulu kwindonga yesilinda, kwaye kwangaxeshanye wenze udonga lwesilinda lube luncinci Ifilimu yeoli encinci iqinisekisa ukuthambisa okuqhelekileyo kwe-cylinder, piston kunye nendandatho, owona msebenzi uphambili. yeringi yeoli. Kwiinjini zanamhlanje zesantya esiphezulu, ingqwalasela ekhethekileyo ihlawulwa kwindima ye-piston ring ukulawula ifilimu yeoli; ukuqhutyelwa kokushisa: ukushisa kwepiston kuqhutyelwa kwi-cylinder liner ngokusebenzisa i-piston ring, oko kukuthi, ukupholisa. Ngokutsho kwedatha ethembekileyo, i-70-80% yobushushu obufunyenwe yi-piston top kwi-piston engapholiswanga buchithwa ngeringi yepiston kudonga lwesilinda, kwaye i-30-40% yepiston epholileyo idluliselwa kwi-cylinder ngokusebenzisa i-cylinder. I-piston ring Inkxaso: Iringi yepiston igcina ipiston kwi-cylinder, ithintela ipiston ukuba iqhagamshelane ngqo nodonga lwesilinda, iqinisekisa intshukumo egudileyo yepiston, inciphisa ukuxhathisa ukukhuhlana, kwaye inqanda ipiston ekunkqonkqozeni isilinda. Ngokubanzi, ipiston ye-injini yepetroli isebenzisa amakhonkco omoya amabini kunye neringi yeoli enye, ngelixa injini yedizili ihlala isebenzisa amakhonkco e-oyile amabini kunye neringi yomoya enye. [2]

uphawu

amandla

Imikhosi esebenza kwindandatho yepiston ibandakanya uxinzelelo lwegesi, amandla alastiki eringi ngokwawo, amandla angasebenziyo entshukumo ebuyelanayo yeringi, ukungqubana phakathi kweringi kunye nesilinda kunye negroove yeringi, njl. imikhosi, i-ring iya kuvelisa iintshukumo ezisisiseko ezifana ne-axial movement, i-radial movement, kunye nentshukumo yokujikeleza. Ukongezelela, ngenxa yeempawu zayo zokunyakaza, kunye nokunyakaza okungaqhelekanga, i-piston ring ibonakala inqunyanyiswa kunye ne-axial vibration, i-radial irregular motion kunye ne-vibration, i-twisting motion, njl. Ezi ntshukumo zingaqhelekanga zihlala zithintela amakhonkco episton ekusebenzeni. Xa uyila i-piston ring, kuyimfuneko ukunika umdlalo opheleleyo kwintshukumo evumayo kwaye ulawule icala elingathandekiyo.

conductivity thermal

Ubushushu obuphezulu obuveliswa kukutsha bugqithiselwa eludongeni lwesilinda ngeringi yepiston, ngoko inokupholisa ipiston. Ubushushu obukhutshiweyo kudonga lwesilinda ngeringi yepiston bunokufikela kwi-30 ukuya kwi-40% yobushushu obufunxwa ngumphezulu wepiston.

ukuxinana komoya

Umsebenzi wokuqala weringi yepiston kukugcina itywina phakathi kwepiston kunye nodonga lwesilinda kunye nokulawula ukuvuza komoya kubuncinci. Le nxaxheba yenziwa ikakhulu yindandatho yegesi, oko kukuthi, phantsi kwayo nayiphi na imeko yokusebenza kwe-injini, ukuvuza komoya ocinezelweyo kunye negesi kufuneka kulawulwe ubuncinci ukuphucula ukusebenza kakuhle kwe-thermal; ukuthintela ukuvuza phakathi kwe-cylinder kunye nepiston okanye phakathi kwe-cylinder kunye neringi. Bamba; ukuthintela ukungaphumeleli okubangelwa ukuwohloka kweoli yokuthambisa, njl.

Ulawulo lweoli

Umsebenzi wesibini wendandatho yepiston kukukhupha ngokufanelekileyo ioli yokuthambisa efakwe eludongeni lwesilinda kunye nokugcina ukusetyenziswa kweoli eqhelekileyo. Xa ioli yokuthambisa ebonelelweyo ininzi kakhulu, iya kuxutywa kwigumbi lokutshisa, eliya kwandisa ukusetyenziswa kwamafutha, kwaye liya kuba nefuthe elibi ekusebenzeni kwenjini ngenxa yediphozithi yekhabhoni eveliswa ngumlilo.

Inkxaso

Ngenxa yokuba ipiston incinci kune-diameter yangaphakathi ye-cylinder, ukuba akukho msesane wepiston, ipiston ayizinzanga kwi-cylinder kwaye ayikwazi ukuhamba ngokukhululekile. Ngelo xesha, i-ring iphinde ithintele i-piston ukuba iqhagamshelane ngokuthe ngqo ne-cylinder kwaye idlala indima exhasayo. Ke ngoko, iringi yepiston ihla inyuka inyuka kwi-cylinder, kwaye indawo yayo etyibilikayo ithwalwa ngokupheleleyo ngumsesane.

Ukuhlelwa

Ngokwesakhiwo

A. Isakhiwo se-Monolithic: ngenkqubo yokuphosa okanye ukubumba okudibeneyo.

b. Iringi edityanisiweyo: Iringi yepiston eyenziwe ngamalungu amabini okanye ngaphezulu adityaniswe kwi-ring groove.

c. Iringi yeoli eslotthiweyo: iringi yeoli enamacala anxuseneyo, umhlaba odibanayo amabini kunye nemingxuma yokubuya yeoli.

D. Slotted coil spring oil ring: yongeza i-oil ring ye-coil support spring in the grooved oil ring. Imithombo yenkxaso inokunyusa uxinzelelo oluthile lwe-radial, kwaye amandla ayo kwindawo yangaphakathi yendandatho ilingana. Ngokuqhelekileyo ifumaneka kwizangqa ze-injini ye-diesel.

E. Intsimbi yentsimbi edityanisiweyo i-oil ring: i-oyile ye-oyile eyenziwe ngendandatho ye-lining kunye namakhonkco amabini e-scraper. Uyilo lweringi yokuxhasa luyahluka ngokomenzi kwaye lufumaneka ngokuqhelekileyo kumakhonkco enjini yepetroli.

Ubume becandelo

Umsesane webhakethi, umsesane wekhowuni, umsesane wangaphakathi we-chamfer twist, umsesane we-wedge kunye ne-trapezoid iringi, umsesane wempumlo, umsesane wokujija wamagxa, umsesane wangaphakathi we-chamfer twist, intsimbi yentsimbi edityanisiweyo iringi, i-oyile ye-chamfer eyahlukileyo, enye ne-oyile ye-chamfer, intsimbi yentsimbi iringi yeoli yasentwasahlobo, intsimbi yeoli yentsimbi, njl.

Ngezinto eziphathekayo

Intsimbi, intsimbi.

unyango olungaphezulu

Iringi ye-nitride: Ukuqina komgangatho we-nitride kungaphezulu kwe-950HV, i-brittleness yibakala loku-1, kwaye inokumelana nokunxiba kakuhle kunye nokumelana nokubola. I-Chrome-plated ring: I-chrome-plated layer ilungile, icwengile kwaye igudileyo, inobunzima obungaphezulu kwe-850HV, ukuxhathisa okuhle kakhulu, kunye nothungelwano lwe-criss-crossing micro-cracks, olunceda ukugcinwa kweoli yokuthambisa. . I-Phosphating ring: Ngonyango lwekhemikhali, umaleko wefilimu ye-phosphating yenziwa kumphezulu weringi yepiston, edlala impembelelo yokuchasana ne-rust kwimveliso kwaye iphucula nokusebenza kokuqala kwendandatho. Iringi ye-oxidation: Ngaphantsi kwemeko yokushisa okuphezulu kunye ne-oxidant enamandla, ifilimu ye-oxide yenziwa phezu kwezinto zetsimbi, ezinokumelana ne-corrosion, i-lubrication anti-friction kunye nokubonakala kakuhle. Kukho iPVD njalo njalo.

ngokomsebenzi

Kukho iintlobo ezimbini zamakhonkco episton: iringi yegesi kunye neringi yeoli. Umsebenzi wendandatho yegesi kukuqinisekisa ukutywinwa phakathi kwepiston kunye ne-cylinder. Ikhusela ubushushu obuphezulu kunye negesi yoxinzelelo oluphezulu kwicylinder ukuba ingavuzi kwi crankcase ngobuninzi, kwaye kwangaxeshanye iqhube uninzi lobushushu ukusuka phezulu kwepiston ukuya kudonga lwesilinda, oluthi ke luthathwe amanzi apholileyo okanye umoya.

Iringi yeoli isetyenziselwa ukukhuhla ioyile egqithileyo eludongeni lwesilinda, kwaye inxibe ifilimu yeoyile efanayo eludongeni lwesilinda, engathinteli kuphela ioyile ukuba ingangeni kwicylinder kwaye itshise, kodwa ikwanciphisa ukubola kunye nokukrazula kwepiston. , umsesane wepiston kunye nesilinda. ukuxhathisa ngengxabano. [1]

ukusetyenziswa

Ukuchongwa okulungileyo okanye okubi

Indawo yokusebenza yeringi yepiston ayiyi kuba nama-nicks, imikrwelo kunye nama-peellings, i-cylindrical surface yangaphandle kunye neendawo eziphezulu kunye nezisezantsi zesiphelo ziya kuba nobugudi obuthile, ukuphambuka kwe-curvature akuyi kuba nkulu kuno-0.02-0.04 mm, kunye nokushona okusemgangathweni. Isixa sendandatho kwi-groove asiyi kudlula i-0.15-0.25 mm, ukuqina kunye nokucocwa kweringi yepiston imimiselo. Ukongeza, iqondo lokuvuza okukhanyayo kweringi yepiston kufuneka kwakhona ihlolwe, oko kukuthi, umsesane wepiston kufuneka ubekwe mcaba kwisilinda, i-cannon yokukhanya encinci kufuneka ibekwe phantsi kweringi yepiston, kwaye ipleyiti yomthunzi kufuneka ibekwe kuyo. yona, kwaye ke umsantsa wokuvuza okukhanya phakathi kweringi yepiston kunye nodonga lwesilinda kufuneka uqwalaselwe. Oku kubonisa ukuba unxibelelwano phakathi kweringi yepiston kunye nodonga lwesilinda lulungile. Ngokubanzi, umsantsa wokuvuza okhanyayo weringi yepiston akufanele udlule i-0.03 mm xa ulinganisa ngegeyiji yobukhulu. Ubude bokusikwa kokuvuza kokukhanya okuqhubekayo akufuneki bube bukhulu kune-1/3 yedayamitha yesilinda, ubude bokuvuza kokukhanya okuliqela akufuneki bube bukhulu kune-1/3 yedayamitha yesilinda, kunye nobude obupheleleyo bokuvuza kokukhanya okuninzi. ungadluli kwi-1/2 ye-cylinder diameter, ngaphandle koko, kufuneka ithathelwe indawo.

imimiselo yokumakisha

I-Piston yokumakisha i-GB / T 1149.1-94 ichaza ukuba zonke iindandatho zepiston ezifuna ulwalathiso lofakelo kufuneka ziphawulwe kwicala eliphezulu, oko kukuthi, icala elikufutshane negumbi lokutsha. Amakhonkco aphawulwe kwicala eliphezulu abandakanya: ikhonkco conical, chamfer yangaphakathi, umsesane wetafile cut yangaphandle, impumlo ring, umsesane wedge kunye neseyile yeoli efuna ulwalathiso lokufakela, kwaye icala eliphezulu lomsesane liphawulwe.

Ukulumkela

Nika ingqalelo xa ufaka amakhonkco episton

I-1) Intsimbi yepiston ifakwe ngokuthe tye kwi-cylinder liner, kwaye kufuneka kubekho i-gap ethile yokuvula kwi-interface.

2) Umsesane wepiston kufuneka ufakwe kwi-piston, kwaye kwi-groove ye-ring, kufuneka kubekho imvume ethile yecala ecaleni kwendlela yokuphakama.

3) Indandatho ye-chrome-plated kufuneka ifakwe kwitshaneli yokuqala, kwaye ukuvulwa akufanele kujongane nolwalathiso lwe-eddy current pit phezu kwepiston.

4) Ukuvuleka kwendandatho nganye yepiston kugxininiswe ngu-120 ° C, kwaye akuvumelekanga ukujongana nomngxuma wepiston.

5) Kwizindandatho zepiston ezinecandelo le-tapered, indawo edibeneyo kufuneka ibe phezulu ngexesha lofakelo.

6) Ngokuqhelekileyo, xa i-ring torsion ifakwe, i-chamfer okanye i-groove kufuneka ibe phezulu; xa i-tapered anti-torsion ring ifakiwe, gcina ikhowuni ijonge phezulu.

7) Xa ufaka i-ring edibeneyo, i-axial lining ring kufuneka ifakwe kuqala, kwaye emva koko i-flat ring kunye ne-wave wave kufuneka ifakwe. Umsesane osicaba ufakwe phezulu nasezantsi kwesangqa samaza, kwaye ukuvuleka komsesane ngamnye kufuneka kugxadazele ukusuka kwelinye.

Umsebenzi wezinto eziphathekayo

1. Ukunxiba ukuxhathisa

2. Ukugcinwa kweoli

3. Ukuqina

4. Ukumelana nokubola

5. Amandla

6. Ukumelana nobushushu

7. Ukolula

8. Ukusika ukusebenza

Phakathi kwazo, ukunyanzeliswa kokugqoka kunye nokuqina kweyona nto ibalulekileyo. Amandla aphezulu we-injini ye-diesel yepiston izixhobo ezibandakanya ikakhulu intsimbi ephoswe ngengwevu, i-ductile iron, i-alloy cast iron, kunye ne-vermicular graphite cast iron.

Indibano yentonga yokudibanisa ipiston

Amanqaku aphambili endibano ye-diesel generator piston yokudibanisa iqela lentonga zezi zilandelayo:

1. Cinezela-faka umkhono wobhedu wokudibanisa intonga. Xa ufaka umkhono wobhedu wentonga yokudibanisa, kungcono ukusebenzisa i-press okanye i-vise, kwaye ungayibetheli ngesando; umngxuma we-oyile okanye umjelo we-oyile kumkhono wobhedu kufuneka ulungelelaniswe nomngxuma we-oyile kwintonga yokudibanisa ukuqinisekisa ukuthanjiswa kwayo.

2. Hlanganisa ipiston kunye nentonga yokudibanisa. Xa uhlanganisa i-piston kunye nentonga yokudibanisa, qwalasela indawo yabo kunye nokuqhelaniswa kwayo.

Eyesithathu, ipiston efakwe ngobuchule. Iphini yepiston kunye nomngxuma wepini yinto yokuphazamiseka. Xa ufaka, qala ubeke ipiston emanzini okanye kwi-oyile kwaye uyifudumeze ngokulinganayo ukuya kuma-90 ° C ~ 100 ° C. Emva kokuyikhupha, beka intonga yeqhina kwindawo efanelekileyo phakathi kwemingxunya yesitulo sepiston, uze ufake ipiston eqatywe ngeoyile kwicala elimiselwe kwangaphambili. kumngxunya wepiston kunye nomkhono wobhedu wokudibanisa intonga

Okwesine, ukufakwa kweringi yepiston. Xa ufaka amakhonkco episton, nikela ingqalelo kwindawo kunye nomyalelo wendandatho nganye.

Okwesihlanu, faka iqela lokudibanisa intonga.