195-40-00901Ekyuma ekikuba ebyuma Assy(B)
Okulaba ebifaananyi eby’emabega n’engeri gye bakozesaamu steering valves for shantui bulldozersin Enkola y’okukozesa ebyuma bya Shantui, vvaalu ya siteeringi, ng’ekitundu ekikulu eky’enkola ya siteeringi, ekola kinene mu nkola y’okufuga siteeringi okutwalira awamu ey’ekyuma. Mu kiseera kino, newankubadde nga ebipimo ebitongole eby'ekibiina kya "steering valve assembly (B)" tebyogerwako butereevu mu bivudde mu kunoonya, dizayini okutwalira awamu n'amawulire agakwatagana n'ebikozesebwa eby'enkola y'okulungamya eya Shantui SD series bulldozers bisobola okugattibwa okusobola okuwa okujuliza okutegeera enkozesa ya steering valve okuva mu ndowooza z'emirimu emikulu egy'enkola y'okusitula 16. SD52-5 yeettanira dizayini y’enzimba ya modulo, nga vvaalu ya siteeringi y’ekitundu ekifuga omusingi. Ekozesebwa nnyo mu mbeera ez’enjawulo ez’okukola bulooka nga yinginiya w’okusima ettaka, okusima eby’obugagga eby’omu ttaka, n’okuzimba ebizimbe, okukakasa okukyukakyuka okukyukakyuka n’okuvuga ebyuma mu ngeri ey’obukuumi mu mbeera enzibu ey’okukola.
Ekibiina kya steering valve ekya bulldozer kyetaaga okulowooza mu bujjuvu ku nkola ya bulldozer, embeera y’okukola, enkola y’enkola y’amazzi, n’ebyetaago ebituufu. Bino wammanga bye bipimo ebikulu n’enkola ezenjawulo:
Okukwataganya ebipimo ebikulu ebya bulooka .
Ttani n’okukyusa amaanyi .
Ttani ya bulooka ezuula butereevu ekipimo kya puleesa n’obwetaavu bw’okutambula kwa vvaalu ya siteeringi. Okugeza nga:
Small and medium-bulooza ennene ( ezitasukka oba ezenkanawa ne ttani 20): ebiseera ebisinga londa vvaalu ya siteeringi erimu puleesa ya 10-20MPa n’omuwendo gw’okukulukuta ogwa 40-100L/min, nga ZT series hydraulic directional valve (omuwendo gw’okukulukuta ogwa 40-100l/min, pressure less than than than sthan 25mpa).
Large bulldozers (>Ttani 20): Yetaaga okukwatagana n’ebintu ebingi, gamba nga vvaalu ya buleeki ya siteeringi ekozesebwa mu 520 Horsepower Bulldozer, nga erina omuwendo gw’okukulukuta ogwa 246L/min ne puleesa ya 2.69MPa, eyungiddwa ku self-okuzibikira vvaalu okusobola okukwatagana n’emigugu eminene n’ettaka erizibu.
Okukwatagana kw’amaanyi: Laba amaanyi ga yingini (nga 447kW ku Caterpillar D10T2) okukakasa nti vvaalu ya siteeringi esobola okugumira puleesa ey’oku ntikko ey’enkola yonna ey’amazzi.
Okukwatagana kw’ensengeka y’ekyokulabirako .
Waliwo enjawulo nnene mu nteekateeka y’enkola za siteeringi wakati w’ebikozesebwa eby’enjawulo. Okugeza nga:
Crawler Bulldozer: Kyetaagisa okulonda steering valve ewagira track speed difference control, nga 16Y-76-22000 steering valve ekoleddwa mu ngeri ey’enjawulo ku SD16 bulldozers, eziyinza okuyungibwa ku kalaagi ya buleeki okutuuka ku siteeringi entuufu.
Wheeled bulldozer: Lowooza ku kugatta vvaalu ya flow amplification (nga ekika kya VSFA) ne siteeringi okutumbula maneuverability okuyita mu nkola ya proportional amplification.
okukwatagana n’embeera y’emirimu n’embeera y’emirimu .
ettaka n'embeera y'omugugu .
Ebifo ebizibu (ebirombe, ensozi): okukulembeza kulina okuweebwa vvaalu za siteeringi ezirina omulimu gw’okuliyirira puleesa, gamba nga vvaalu ezigatta ezirina vvaalu z’obukuumi ezigatta, eziyinza okumalawo puleesa mu ngeri ey’otoma ng’olutindo lusibye (omusingo gwa puleesa gutera kuba 10-30MPa) okuziyiza okwonooneka kw’ebitundu by’amazzi.
Heavy Load Bulldozer: Kyetaagisa okulonda ebintu by’omubiri gwa vvaalu ebirina obuziyiza obw’amaanyi obw’okukuba (nga waggulu-ekyuma ekisuuliddwa eky’amaanyi), n’okukakasa obuziyiza bw’okwambala bwa vvaalu core. Okugeza, emisingi gya vvaalu egyasiigibwako tungsten carbide giyinza okugumira okwambala kw’emirimu egy’amaanyi egy’okutikka emigugu emizito.
Okukuuma obutonde bw’ensi okuyitiridde .
Obugumu bw’ebbugumu eringi/obutono: Londa ebintu ebigumira ebbugumu (nga silicon carbide ceramic valve blocks ezisobola okugumira ebbugumu okutuuka ku 1600℃) oba obulagirizi obulaga obulagirizi nga waliwo okuliyirira okw’okufuga ebbugumu okwewala okujanjabwa kwa valve okuleetebwa okugaziwa n’okukonziba.
Enfuufu ennyingi/okukulukuta kw’obutonde: okwettanira ekyuma ekitali kizimbulukuse duplex (nga 2205) oba omubiri gwa hastelloy valve, nga o-okusiba ring (nga fluororubber viton) okuziyiza enfuufu okuyingira n’okukulukuta okwa wakati
Enkola y'amazzi Parameter Okukwatagana .
Okukulukuta n’okukwatagana kwa puleesa .
Okubala kw’okukulukuta: Okusinziira ku sipiidi y’okukola kwa ssilindala ya siteeringi (nga sipiidi y’okutambula kw’omuggo gwa pisitoni eya mm 50/s) ne dayamita ya ssilindala (nga φ 125mm), bala omuwendo gw’okukulukuta ogwetaagisa (Q=π× r × v) okukakasa nti omuwendo gw’amazzi agakulukuta agasinga obunene gakola steering valve (Such 120l/Min) kituukana n’omuwendo gw’amazzi agakulukuta.
Puleesa Okugereka: Puleesa egereddwa eya vvaalu ya siteeringi erina okuba waggulu okusinga puleesa y’entikko y’enkola (ebiseera ebisinga puleesa ekola emirundi 1.2-1.5). Okugeza, puleesa y’okukola bw’eba 15MPa, vvaalu eriko puleesa egereddwa eya 20MPa erina okulondebwa.
Okukwatagana kw’amafuta .
Kakasa ekika kya woyiro eky’amazzi (nga amafuta g’omu ttaka, amafuta agakolebwa mu butonde) n’obuwanvu bw’obuzito (nga ISO VG 46) obusaanira vvaalu ya siteeringi okwewala okukaddiwa oba okukaddiwa kwa vvaalu okuva ku butakwatagana mu mafuta.
Ebisaanyizo n’emirimu gy’emirimu .
Okufuga obutuufu n’obwangu bw’okuddamu .
Sensitivity of valve core: Londa vvaalu ya siteeringi erimu omulimu gw’okufuga ogw’ekigerageranyo oba ogw’amasannyalaze (nga BPBS Hydraulic Steering Gear+VSFA Flow Amplification Valve) okutuuka ku "small angle fine adjustment" n’okuddamu amangu, okulongoosa obulungi bw’emirimu.
Return Reliability: Kyetaagisa okukebera obugumu bw’ensulo y’okudda n’omutindo gw’ebitundu ebisiba okukakasa nti omusingi gwa vvaalu gudda mangu mu makkati oluvannyuma lw’okufulumya omuggo gwa siteeringi, okwewala okukyama.
Design y'obukuumi n'okukendeeza ku mirimu .
Self locking and anti misonation: Okugeza, steering brake valve ya 520 horsepower bulldozer egatta self-okusiba vvaalu. Bw’oba otandika, omukono gwetaaga okuzzibwa mu kifo we gwasookera okutangira obubenje obuva ku bubenje.
Redundant System: Mu mbeera ez’obwesigwa eza waggulu nga ebirombe, vvaalu za siteeringi ezitaliimu nsa nga zirina vvaalu za solenoid eza ‘backup’ zisobola okulondebwa. Valiva enkulu bw’eremererwa, ekyuka n’egenda ku circuit ya backup, ekikendeeza ku budde bw’okuyimirira.
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Weereza okwebuuza .
