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Valavu yosindikizira ya bulldozer ndi gawo lofunikira kwambiri mu bulldozer hydraulic system yomwe imagwiritsidwa ntchito poyang'anira kutuluka kwamadzimadzi (nthawi zambiri mafuta a hydraulic), kuteteza kutayikira, ndikusunga kukhazikika kwa dongosolo. Ntchito yake yayikulu ndikukwaniritsa mgwirizano wolondola pakati pa pachimake cha valve ndi mpando wa valavu kuti mutsegule, kutseka kapena kuwongolera kuthamanga kwa gawo la mafuta a hydraulic, ndikudalira mawonekedwe osindikizira kuti ateteze kutulutsa kwamafuta m'malo osayembekezeka, kuwonetsetsa kuti ma hydraulic system akugwira ntchito bwino. "ma valve osindikizira", omwe ntchito yake yayikulu ndikuletsa kutuluka kwa mafuta ndi zonyansa zakunja kulowa, kuonetsetsa kuti zidazo zimagwira ntchito bwino. Zotsatirazi ndi mitundu ikuluikulu ya zisindikizo: V-mphete yosindikizira yooneka ngati yoboola pakati: mphete yosindikizira ya rabara yokhala ndi axial, kuyenda bwino kwa milomo yotseka ndi kusinthasintha, imatha kubweza kulekerera kwakukulu ndi kupatuka kwa angular, kungalepheretse kutulutsa kwamafuta mkati kapena kutulutsa mafuta, komanso kutsekereza kuphulika kwakunja kapena kulowetsedwa kwa fumbi{5}} zisindikizo zobwerezabwereza pamakina opangira ma hydraulic, omwe amagwiritsidwa ntchito kwambiri posindikiza masilinda a hayidiroliki m'makina omanga.O-ring: amagwiritsidwa ntchito kusindikiza mosasunthika komanso kusindikizanso. mphete yosindikizira yamakona anayi: imakonda kuyikidwa mu poyambira yokhala ndi mtanda wamakona anayi{9}kutuluka mkati kapena mkati mwa bwalo. function.Y-ringing yosindikiza yooneka ngati: imagwiritsidwa ntchito kwambiri pazida zomatira.Spring tension (spring energy storage) sealing ring: Add springs (O-type, V-type, U{15}}shaped, etc.) 4 ku PTFE sealing oils floppy sealing material.Bull sealing oil sealing. chisindikizo, etc. Ntchito yake yaikulu ndi kuteteza mafuta kutayikira ndi kuteteza fumbi, zonyansa, etc. kulowa mkati mwa makina.
Dongosolo la hydraulic la bulldozer limayang'anira kuyendetsa zinthu zazikulu monga kuyenda, kukweza masamba, ndi kumasula nthaka. Valavu yosindikiza imagwira ntchito yowongolera bwino ndikuletsa kutayikira mmenemo. Ntchito zake ndi izi:
Kuwongolera kukweza masamba
Kukweza ndi kutsitsa masamba a bulldozer kumadalira pa hydraulic cylinder drive, ndipo ma valve osindikizira (monga ma valve olowera ndi ma cheke) amagwiritsidwa ntchito kuwongolera komwe kumayendera ndikuyenda kwamafuta a hydraulic kulowa mu silinda:
Valavu yowongolera imasintha njira yoyendetsera mafuta posintha malo apakati a valve, kukwaniritsa kukweza kapena kutsitsa tsamba la fosholo;
The one-vavu ya njira imalepheretsa mafuta kubwereranso, kuwonetsetsa kuti fosholo imakhalabe yokhazikika panthawi yogwira ntchito komanso kupewa kumira chifukwa cha kutayikira.
Kuwongolera liwiro la kayendedwe ka kuyenda
Kuwongolera liwiro la bulldozer kuyenda mota kumafuna kusintha kutulutsa kwamafuta a hydraulic kudzera mu valve yowongolera (kuphatikiza mawonekedwe osindikizira). Vavu yosindikizira sikuti imayendetsa kayendedwe kake, komanso imateteza-kuthamanga kwambiri kwa mafuta pofuna kuonetsetsa kuti mphamvu zoyenda zikuyenda bwino komanso kupewa kusinthasintha kwa liwiro.
Kuwongolera ntchito yomasula nthaka
Kuyika ndi kukweza kwa chipangizo chomasula nthaka kumayendetsedwanso ndi hydraulic system, ndipo valve yosindikizira (monga valavu yowonongeka) ikhoza kukhazikitsa kupanikizika kwakukulu kwa dongosolo. Chida chomasula dothi chikakumana ndi dothi lolimba, valavu yakusefukira imatseguka kuti ichepetse kuthamanga, kwinaku ndikudalira chosindikizira kuti mafuta asatayike m'malo osapumira komanso kuteteza zida za hydraulic.
Kukonza kuthamanga kwadongosolo
Dongosolo la hydraulic la bulldozer liyenera kukhalabe ndi mphamvu yogwira ntchito. Valavu yosindikizira (monga valve control valve) imamatira mwamphamvu pachimake cha valavu ndi mpando kuti zisawonongeke mafuta pamene palibe kanthu, kuonetsetsa kuti dongosolo lokhazikika likuyenda komanso kuchepetsa kutaya mphamvu.
3, Kufunika Kwa Mavavu Osindikizidwa
Kupewa kutayikira: Kutayikira kwamafuta a Hydraulic kungayambitse kutsika kwamphamvu yamagetsi, magwiridwe antchito, komanso kulephera kwa zida (monga kugwira ntchito pang'onopang'ono komanso mphamvu zosakwanira). Kusindikiza kodalirika kwa valavu yosindikizira kumatha kupewa zovuta zotere ndikukulitsa moyo wautumiki wamafuta a hydraulic.
Kuwongolera kolondola: Kupyolera muzochitika zenizeni zapakati pa valve, valavu yosindikizira imatha kukwaniritsa kusintha kolondola kwa kuthamanga, kuthamanga, ndi mayendedwe, kuonetsetsa kuti ntchito ya bulldozer ikhale yosalala komanso yowongoka (monga kusintha bwino kwa tsamba la fosholo ndi kusiyana kofanana kwa liwiro la kuyenda).
Dongosolo lachitetezo: Pakuchulukirachulukira, kusinthasintha kwapang'onopang'ono ndi zina zogwirira ntchito, ma valve osindikiza (monga ma valve otetezedwa) amatha kuyankha mwachangu ndikudula kapena kuchepetsa kupanikizika, kuphatikiza ndi zida zosindikizira kuti zisawonongeke kutayikira kwachilendo ndikuteteza zigawo zikuluzikulu za hydraulic monga mapampu amafuta ndi masilindala kuti asawonongeke.
Mwachidule, valavu yosindikizira ya bulldozer ndi "control hub" ya hydraulic system, ndipo kusindikiza kwake ndi kudalirika kwake kumakhudza kwambiri momwe ntchitoyo ikuyendera, chitetezo, ndi moyo wautumiki wa bulldozer. Ndilo gawo lofunikira kuonetsetsa kuti bulldozer ikugwira ntchito mokhazikika m'malo ovuta kugwira ntchito monga migodi ndi malo opangira zomangamanga.
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