708-23-00921 Valiva y’okudduukirira .
Enyanjula mu vvaalu y’obukuumi bwa bulooka1. Ennyonyolabulldozer safety valve ye otomatiki okuggulawo n'okuggalawo pressure control valve eteekebwa mu circuits enkulu ez'enkola z'amazzi (nga ebyuma ebikola, siteeringi, okutambula, n'ebirala). Puleesa y’enkola bw’esukka omuwendo gw’obukuumi ogwateekebwawo, vvaalu eggulawo otomatika okumalawo puleesa; Oluvannyuma lwa puleesa okudda mu mbeera eya bulijjo, vvaalu eggalwa okukuuma puleesa y’okukola eya bulijjo ey’enkola.2. Working principleThe core principle of safety valves is based on "pressure force balance":The valve is equipped with a spring and a valve core, and the preload force of the spring corresponds to the safety pressure (preset value) of the system.When the system pressure is below the safe value, the valve core closes under the action of spring force, and hydraulic oil cannot pass through, and the system works normally.When the system pressure exceeds the safe value, the pushing force of hydraulic oil on the valve core is greater okusinga empalirizo ya sseppulingi, era omusingi gwa vvaalu gunyigirizibwa nga guggule. Ekitundu kya woyiro w’amazzi kiva mu ttanka ya woyiro nga kiyita mu vvaalu y’obukuumi (okukendeeza ku puleesa), ekivaako puleesa y’enkola okukendeera.Puleesa bw’egwa wansi w’omuwendo ogw’obukuumi, amaanyi ga sseppulingi gasika omusingi gwa vvaalu okuddamu okuggalawo, era enkola edda ku puleesa eya bulijjoEkyuma ekikuuma obukuumi bwa bulldozer kye kifo ekikulu eky’obukuumi bw’enkola yaayo ey’amazzi, okusinga ekozesebwa okutangira puleesa y’enkola okusukka omuwendo ogulagiddwa. Puleesa y’ekintu ekiri munda mu kyuma oba payipu bw’elinnya n’esukka ekipimo ekiteekeddwawo, vvaalu y’obukuumi ejja kugguka mu ngeri ey’otoma okukendeeza ku puleesa ng’efulumya ekintu ekiri ebweru w’enkola, okwewala okwonooneka kw’ebyuma oba obubenje obw’obukuumi obuva ku puleesa esukkiridde. Enzimba yaayo etera okubeeramu ebitundu ebikulu nga vvaalu omubiri, vvaalu core, ne spring. Omusingi gwa vvaalu gutuuka ku kufuga n'okuggalawo okufuga wansi wa bbalansi y'amaanyi ga sseppulingi ne puleesa y'enkola, okufaananako n'omusingi gw'okuvuga "spring valve core" ogw'obukuumi bwa looda
Okukozesa vvaalu y’obukuumi bwa bulooka .
Enkola ya hydraulic eya bulooka ye "Power Center" ey'okukola n'okutambula, okubikka ebyuma ebikola (Bulldozer, Bulldozer), enkola ya siteeringi, enkola y'okutambula, n'ebirala Valiva z'obukuumi zikola kinene mu kukuuma mu nkola zino:
1. Enkola y’ekyuma ekikola amazzi (Core Application scenario) .
Ekyuma kya bulldozer’s bulldozer blade (okusitula, okusitula) n’ekyuma ekisumulula (okusitula, okuyingira mu ttaka) kyesigamye ku ssilindala za mazzi okuvuga, era mu kiseera ky’okukola, emigugu egy’amangu (nga ekyuma kya bulldozer ekisisinkana amayinja amakalu oba ekyuma ekisumulula okusibira) kiyinza okuleeta okweyongera okw’amaanyi mu puleesa munda mu cylinder.
Valiva y’obukuumi eteekebwa mu kiyungo ekiyingiza amafuta ekya ssiringi ya woyiro. Puleesa bw’esukka omuwendo gw’obukuumi (ebiseera ebisinga 1.1-1.2 emirundi 1.2 ku puleesa y’enkola egereddwa), vvaalu egguka okufulumya amafuta agamu aga puleesa enkulu okudda mu ttanka y’amafuta, okwewala okukyukakyuka oba okubutuka kwa ssilindala ya ssilindala n’omuggo gwa pisitoni olw’okuyitiriza okuyitirira, n’okukuuma okunyigiriza okuyiwa amazzi mu ppampu ya ssiringi (okuyiwa ppipa mu ssiringi (preventing pumplinder) okuvuga ssiringi (okuyiwa ppipa mu ssiringi (sirayidi ppipa ppipa ssiriita evuga ppipa ya ssiringi (okuyiwa ppipa mu ssiringi eyo.
Enkola y'amazzi mu siteeringi .
Siteeringi ya bulldozer yeesigamye ku ssilindala z’amazzi (oba motors z’amazzi) okuvuga sipiidi ya diferensi y’ebidduka. Singa eggaali z’omukka zifuuka eziremeseddwa mu bwangu nga zisimbibwa (nga okusibira mu bitoomi oba okutomeragana n’ebiziyiza), puleesa mu nkulungo ya siteeringi ejja kweyongera mu kaseera ako.
Valiva y’obukuumi mu nkulungo ya siteeringi esobola okumalawo amangu puleesa, okulemesa ssiringi ya siteeringi, ppampu ya siteeringi, oba vvaalu efugira siteeringi okulemererwa olw’okunyigirizibwa okusukkiridde, okukakasa obwesigwa bw’enkola ya siteeringi, n’okwewala obulabe bwa "okusitulwa n’okufuluma mu kufuga".
. Enkola y'amazzi agatambula .
Bulooka ezimu zikozesa amazzi okutambula (nga bulooka ezikola amazzi mu bujjuvu), era mmotoka y’okutambula evuga olutindo okutambula okuyita mu woyiro w’amazzi. Singa olutindo lusibirwa amayinja oba omugugu guba munene nnyo ng’olinnya, puleesa mu nkulungo ya woyiro etambula ejja kweyongera mu ngeri etaali ya bulijjo.
Valiva y’obukuumi bw’ekisenge ky’okutambula kati eggulwawo okumalawo puleesa, okukuuma mmotoka etambula, pampu ya mazzi, ne payipu eya waggulu-okuziyiza okukutuka ggiya ya mmotoka, okukutuka payipu, n’ensobi endala ezireetebwa okuyitirira. Omugaso gw’amakolero ogw’enjawulo ogwa vvaalu z’obukuumi .
Valiva z’obukuumi zikozesebwa nnyo mu nnimiro nga bboyiyira, ebibya ebinyigirizibwa, enkola z’omukka n’ebirala, okugeza:
Enkola y’omukka: Eteekeddwa wansi wa vvaalu ezikendeeza puleesa, ttanka za flash, ebyuma ebitereka ebbugumu, n’ebyuma ebirala okuziyiza okubwatuka okuva ku puleesa esukkiridde.
Amakolero ag’enjawulo: Ekyuma ekifulumya amafuta ekikyusa ebbugumu kitwala vvaalu ey’ekika kya A40 ey’obukuumi okukola ku woyiro ne ggaasi ow’ebbugumu eringi waggulu wa 350℃, era ekyuma ekikuba empewo kikuuma obukuumi bwa ttanka y’okukung’aanya ggaasi ng’eyita mu vvaalu y’obukuumi. Enkola enkulu eya "Automatic overpressure relief pressure recovery closure" gwe musingo ogw'ensi yonna ogw'okuddukanya enkola z'amakolero mu ngeri ey'obukuumi .
Valiva y'obukuumi bwa bulooka ye "Safety Guard" y'enkola y'amazzi, ekiziyiza okutikka ennyo nga kifuga bulungi puleesa. Okukozesa kwayo kuyita mu nkola enkulu nga ekyuma ekikola, siteeringi, n’okutambula, era kye kitundu ekikulu okukakasa nti bulooka bukola bulungi era mu ngeri ey’obukuumi. Mu nkozesa entuufu, kyetaagisa okukebera buli kiseera ensengeka ya puleesa n’okusiba vvaalu y’obukuumi okukakasa nti ewunyiriza n’obwesigwa .
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