Kodi gulu la mkono wa roller rocker ndi chiyani?
Kusonkhanitsira mkono wa roller rocker wamagalimoto ndi gawo lofunika kwambiri pa sitima ya valve ya injini, makamaka yopangidwa ndi manja a rocker, shafts za mkono wa rocker ndi ndodo zopukutira. Imagwiritsa ntchito kapangidwe ka roller kuti ichepetse kukangana ndikuwonjezera kuyenda kwa camshaft.
Ntchito yaikulu
Sinthani kayendedwe ka camshaft kukhala kayendedwe kolunjika ka ma valve, wongolerani kutsegula ndi kutseka kwa ma valve, ndikukwaniritsa magawo anayi a kulowetsa, kukanikiza, kupanga mphamvu ndi kutulutsa utsi kwa injini.
Makhalidwe a kapangidwe kake
Imagwiritsa ntchito kapangidwe ka lever ya manja awiri. Malekezero a mkono wautali amalumikizidwa ku tsinde la valavu, ndipo malekezero a mkono waufupi ali ndi skurufu yosinthira kuti iyendetse bwino valavu.
Ili ndi njira zothira mafuta ndi mabowo amafuta mkati mwake kuti zitsimikizire kuti mafuta ndi abwino.
Mutu nthawi zambiri umapangidwa kuti ukhale wozungulira ndipo umazungulira kumapeto kwa tsinde la valavu ukagwedezeka kuti uchepetse kuwonongeka
Kusiyana kwa mtundu
Pali mitundu iwiri yodziwika bwino: mikono ya valve stem rocker ndi mikono ya roller rocker. Pakati pawo, mkono wa roller rocker umasintha sliding friction kukhala roll friction kudzera mu needle roller bearing, zomwe zimachepetsa kuwonongeka ndikuwongolera bwino valvu lift control.
Ntchito ya automotive roller rocker arm assembly ndikusintha kayendedwe ka camshaft kukhala kayendedwe ka mzere wa ma valve, kuwongolera bwino kutsegula ndi kutseka kwa ma valve, ndikukwaniritsa ntchito yogawa ma valve a injini.
Ntchito yeniyeni
Youdaoplaceholder0 kusintha kwa kayendedwe
Kuyenda kozungulira kwa camshaft kumasinthidwa kukhala kuyenda kolunjika kwa ma valve kudzera mu kapangidwe ka lever, kuonetsetsa kuti ma valve amatsegulidwa ndi kutsekedwa panthawi yake.
Youdaoplaceholder0 valavu yowongolera
Kukonza bwino curve yokweza ma valve kuti ikwaniritse bwino momwe injini imalowera ndi kutulutsa utsi kumakhudza mwachindunji momwe injini imayatsira komanso momwe imayatsira.
Thandizo la dongosolo la Youdaoplaceholder0
Monga gawo lalikulu la sitima ya valve, imafunika kupirira kugwedezeka komwe kumatumizidwa ndi camshaft ndi mphamvu yochitapo kanthu ya kasupe wa valve kuti iwonetsetse kuti dongosolo lotumizira magiya likukhazikika.
Zolakwika mu gulu la roller rocker arm la galimoto nthawi zambiri zimaonekera ngati phokoso losazolowereka la injini, kuchepa kwa mphamvu, kuchuluka kwa mafuta omwe amagwiritsidwa ntchito ndi zizindikiro zina. Zomwe zimayambitsa zimaphatikizapo zolakwika pa kapangidwe kake, mafuta osakwanira, kugwira ntchito mopitirira muyeso ndi zina.
Zizindikiro zofala za cholakwika
Youdaoplaceholder0 Phokoso losazolowereka lachitsulo : Phokoso lomveka bwino lachitsulo limachitika pang'onopang'ono kapena pang'onopang'ono, ndipo phokoso losazolowereka limatha kukulirakulira panthawi yothamanga.
Youdaoplaceholder0 Kutaya mphamvu : Kutsegula ndi kutseka kwa ma valve kosazolowereka kumabweretsa kusakwanira kwa madzi, zomwe zimapangitsa kuti liwiro lizichepa komanso kuchedwa kwa throttle.
Youdaoplaceholder0 Kuchuluka kwa kugwiritsa ntchito mafuta : Kugwiritsa ntchito bwino mafuta kumachepa, ndipo kugwiritsa ntchito mafuta kungawonjezere ndi 10% mpaka 20%.
Youdaoplaceholder0 Kuvuta poyambira : Kulephera kwakukulu kungayambitse kulephera koyambira kapena kuchedwa.
Kusanthula kwa Zoyambitsa Zolakwika
Youdaoplaceholder0 Chilema cha kapangidwe kake: Kapangidwe ka mkono wa rocker wa mitundu ina kamakhala ndi vuto la kupsinjika maganizo, komwe kungayambitse kusintha kapena kusweka mosavuta mukakanyamula katundu wambiri kwa nthawi yayitali.
Youdaoplaceholder0 Mafuta osayenera: Mafuta osakwanira a injini, fyuluta yotsekeka kapena kuthamanga kwa pampu kosazolowereka, zomwe zimayambitsa kukangana kouma pakati pa zitsulo.
Youdaoplaceholder0 Kugwira ntchito molimbika : Kuyendetsa galimoto molimbika kapena kukwera katundu wolemera kumawonjezera katundu pa zida.
Malangizo opewera ndi othana ndi vutoli
Youdaoplaceholder0 Kusamalira nthawi zonse : Yang'anani mulingo wa mafuta ndi momwe fyuluta ilili, ndikugwiritsa ntchito mafuta omwe akukwaniritsa miyezo.
Youdaoplaceholder0 Pewani mikhalidwe yoopsa yogwirira ntchito : Chepetsani kuyendetsa galimoto kwa nthawi yayitali ndipo samalani ndi kuzizira kwa injini.
Youdaoplaceholder0 Kukonza nthawi yake : Pamene phokoso losazolowereka kapena kuchepa kwa mphamvu kwapezeka, yang'anani nthawi yomweyo valavu yotseguka ndikusintha cholumikizira ngati pakufunika kutero.
Mfundo yogwirira ntchito ya automotive roller rocker arm assembly imadalira kwambiri mgwirizano wa hydraulic system ndi ball bearings kuti zitheke kusintha zokha komanso kudzola mafuta a valve clearance. Njira yake ndi iyi:
Kapangidwe ka kapangidwe kake
Gulu la roller rocker arm assembly limapangidwa ndi zigawo za hydraulic (plunger hydraulic cylinder, plunger spring, check valve) ndi gulu la ball bearing (steel plate profile, CAM roller). Pakati pawo, zigawo za hydraulic zimalumikizidwa ku injini kudzera mu njira yamafuta, ndipo check valve imapangidwa ndi mpira wawung'ono ndi kasupe wopondereza.
Njira yogwirira ntchito
Youdaoplaceholder0 gap adjustment
Pakakhala valavu yotseguka, chopondera chimakankhidwira kunja ndi kasupe mpaka choponderacho chikakhudza CAM. Pa nthawiyi, valavu yowunikira imatsegulidwa, ndipo mafuta a injini amalowa m'chipinda chapansi cha mafuta kuti azitha kulimbitsa mphamvu, zomwe zimapangitsa kuti pakhale kukhudzana kwapafupi pakati pa mkono wopondera ndi CAM.
Youdaoplaceholder0 valve drive
Pamene CAM ikuzungulira, chozungulira chimatsatira ndikuyendetsa chogwirira cha mkono cha rocker kuti chiyende. Silinda ya hydraulic imapeza mafuta ochulukirapo mwa kupopera mafuta odzola, kuchepetsa kutayika kwa kukangana ndikuchepetsa phokoso logwira ntchito nthawi imodzi.
Youdaoplaceholder0 mphamvu yofanana
Pamene camshaft izungulira kufika pa gawo lotseka valavu, valavu yowunikira imatseka pambuyo poti kupanikizika mu silinda ya hydraulic kwakhazikika, ndikumaliza ntchito yobwezeretsa masika a valavu.
Mlandu wa cholakwika
Ngati kuthamanga kwa mafuta kuli kosayenera kapena mtundu wa mafuta ndi woipa (monga mafuta oipa omwe amapangitsa kuti mafuta awonongeke), izi zingayambitse mavuto monga dzimbiri la ma valve tappets ndi kulephera kwa mafuta, zomwe zingayambitse phokoso losazolowereka kapena kutayika kwa mphamvu.
Ngati mukufuna kudziwa zambiri, pitirizani kuwerenga nkhani zina patsamba lino!
Chonde tiimbireni foni ngati mukufuna zinthu zotere.
Malingaliro a kampani Zhuo Meng Shanghai Auto Co., Ltd. yadzipereka kugulitsa MG&MAXUSzida zamagalimoto zalandiridwa kugula.
