Mavuto Wamba Ndi Momwe Mungakonzere

Zolakwika zogwirira ntchito, kutayikira kwa nayitrogeni, kusamalidwa bwino ndi zochitika zina zipangitsa kuti valavu yogwirira ntchito ya wosweka, kuphulika kwa mapaipi, kutenthedwa kwamafuta am'deralo ndi zolephera zina. Chifukwa chake ndi chakuti kasinthidwe kaumisiri ndi kopanda nzeru, ndipo kasamalidwe ka malo ndi kosayenera.
Kuthamanga kwa wosweka nthawi zambiri kumakhala 20MPa ndipo kuthamanga kwake kumakhala pafupifupi 170L / min, pamene kupanikizika kwa chofufutira nthawi zambiri kumakhala 30MPa ndipo kuthamanga kwa mpope umodzi waukulu ndi 250L / min. Chifukwa chake, valavu yakusefukira imayenera kuchita masewera olimbitsa thupi komanso kutsitsa. Vavu yopumulirayo ikawonongeka koma osapezeka mosavuta, wosweka adzagwira ntchito movutikira kwambiri. Choyamba, mapaipi amaphulika, mafuta a hydraulic amatenthedwa pang'ono, ndiyeno valavu yayikulu yobwerera imawonongeka kwambiri ndi mbali zina za gulu lalikulu la ofukula. Dera la hydraulic lomwe limayendetsedwa ndi spool (chotsatira chotsatira chomwe chimalozedwera ndi dera lalikulu lamafuta mumalo osalowerera ndale) chimadetsedwa; ndipo chifukwa mafuta obwerera a chophwanyira nthawi zambiri sadutsa m'malo ozizira, koma amabwerera mwachindunji ku thanki yamafuta kudzera mu fyuluta yamafuta, kotero kuti mafuta ozungulira azitha Kutentha kwamafuta a dera lamafuta ogwirira ntchito ndikokwera kwambiri kapena ngakhale kukwezeka kwambiri, zomwe zimakhudza kwambiri moyo wautumiki wa zigawo za hydraulic (makamaka zisindikizo).
Kusaka zolakwika
Njira yothandiza kwambiri yopewera zolephera pamwambapa ndikuwongolera ma hydraulic circuit. Imodzi ndikuwonjezera valavu yodzaza kwambiri pa valve yaikulu yobwerera (mtundu womwewo wa valve yowonjezera monga boom kapena ndowa yogwiritsira ntchito ndowa ingagwiritsidwe ntchito), ndipo kupanikizika kwake kuyenera kukhala 2 ~ 3MPa yaikulu kuposa ya valve yothandizira, yomwe imatha. mogwira mtima Kuchepetsa mphamvu ya dongosolo, ndipo panthawi imodzimodziyo onetsetsani kuti kupanikizika kwa dongosolo sikudzakhala kokwera kwambiri pamene valve yothandizira ikuwonongeka; chachiwiri ndikulumikiza mzere wobwereranso wamafuta wagawo lamafuta ogwirira ntchito ku choziziritsa kuziziritsa kuti mafuta ogwirira ntchito azikhazikika munthawi yake; chachitatu ndi pamene kutuluka kwa mpope waukulu kumadutsa mtengo wapamwamba wa wosweka Pamene kuthamanga kwa magazi kuli nthawi 2, yikani valve diverter pamaso pa valavu yaikulu yotsitsimutsa kuti muchepetse katundu wa valve yothandizira ndikupewa kutenthedwa chifukwa cha kuchuluka kwakukulu. mafuta omwe amadutsa mu valve yothandizira. Kuyeserera kwatsimikizira kuti chofufutira cha EX300 (makina akale) okhala ndi KRB140 hydraulic breaker chapeza zotsatira zabwino zogwirira ntchito.
Choyambitsa cholakwika ndi kukonza