723-40-92103 isibhamu esikhulu PC220-7 control valve excavator main relief valve

Ubuchwepheshe benzwa yokulayisha kanye nesinxephezelo sengcindezi ye-electro-hydraulic proportional multiway valve

Ukuze wonge amandla, unciphise izinga lokushisa likawoyela futhi uthuthukise ukunemba kokulawula, futhi wenze izici ezimbalwa eziphezulu zesenzo sokuvumelanisa zingaphazamisi lapho zihamba, imishini yokwakha ethuthuke kakhulu manje isebenzisa inzwa yomthwalo kanye nobuchwepheshe bokunxeshezelwa kwengcindezi. Ukuzwa komthwalo kanye nesinxephezelo sokucindezela kungumqondo ofanayo kakhulu, bobabili basebenzisa ukuguqulwa kokucindezela okubangelwa ukushintsha komthwalo ukulungisa ukucindezela nokugeleza kwepompo noma i-valve ukuze ivumelane nezidingo zokusebenza zesistimu. Inzwa yomthwalo yesistimu yephampu yobuningi iwukuhola ingcindezi yomthwalo ngomjikelezo kawoyela ozwa umthwalo uye kuvalvu yokukhulula yokulawula ingcindezi ekude. Lapho umthwalo umncane, ingcindezi yokubeka i-valve yokusiza nayo incane. Umthwalo mkhulu, ingcindezi yokubeka nayo inkulu, kodwa kuhlale kunokulahlekelwa okuthile okuchichimayo. Ohlelweni lwephampu oluguquguqukayo, isifunda sikawoyela esizwa umthwalo singeniswa kumshini oguquguqukayo wepompo, ukuze umfutho ophumayo wepompo ukhuphuke ngokunyuka kwengcindezi yomthwalo (ukuhlala kunomehluko omncane wengcindezi engaguquki), ukuze okukhiphayo. kwephampu
Ukugeleza kuyalingana nokugeleza kwangempela okudingwa isistimu, akukho ukulahlekelwa ukuchichima, futhi ukonga amandla kuyabonakala.

Isinxephezelo sokucindezela siyisilinganiso sokuqinisekisa sokuthuthukisa ukusebenza kokulawula kwe-valve. Ingcindezi yomthwalo ngemuva kokuthi imbobo ye-valve yethulwe ku-valve yesinxephezelo sokucindezela, futhi i-valve yesinxephezelo sokucindezela ilungisa ingcindezi phambi kwembobo ye-valve ukuze umehluko wengcindezi ngaphambi nangemva kwembobo ye-valve uhlale njalo, ukuze ukugeleza ku-valve. ichweba ngokuvumelana nezici zokulawula ukugeleza kwe-throttle port ihlobene kuphela nokuvulwa kwe-valve port, futhi ayithinteki ukucindezela komthwalo.