195-40-00800Ade a ɛma ɛyɛ mmerɛw sɛ wobɛte ase (b) .
Steering valve B taa fa cycloidal rotary valve a ɛyɛ hydraulic nhyehyɛe, a ɛyɛ nneɛma atitiriw te sɛ valve nipadua, valve core, valve sleeve, ne sanba spring. Ne core structure no bi ne:Valve body ne oil port: inlet ports (P), return ports (O), ne oil ports a ɛyɛ adwuma (a, b) a ɛka steering cylinder no ho. Ngo kwan a ɛwɔ mu no na ɛhwɛ hydraulic oil a ɛfa valve core no a ɛkɔ so no so.Valve core ne valve sleeve: valve core no nam mfiri anaa anyinam ahoɔden nsɛnkyerɛnne so ma ɛkɔ axially mu wɔ valve sleeve no mu, na ɛsesa oil passage connection tebea no. Sɛ nhwɛso no, sɛ valve no mu ntini no kɔ nifa so a, ngo no kwan no yɛ P → A → benkum so dan a ɛwɔ tumi cylinder no mu, na ɛma benkum stia; Sɛ ɛnte saa a, dan kɔ nifa.Balancing valve core and load holding function: Model ahorow bi (te sɛ CrossMFG BA series) fa balancing valve core nhyehyɛe no so de tew nsu a ɛtwetwe no so na esiw adesoa a ɛkɔ fam no ano, hwɛ hu sɛ bulldozers no gyina pintinn wɔ ɔkwan a ɛkɔ fam anaasɛ adesoa a emu yɛ duru tebea horow so.Wɔ adwumayɛ mu no, steering valve B ma ofirikafo no torque a ɛyɛ adwuma no yɛ kɛse denam hydraulic mmoa so. Sɛ stia no di akɔneaba a, valve no mu ntini no a ɛkɔ no kanyan hydraulic oil ma ɛkɔ stia no mu, na ɛpia piston abaa no ma ɛdan ntwahonan no. Bere koro no ara mu no, spring a ɛsan ba no hwɛ hu sɛ valve core no ankasa san kɔ neutral gyinabea, na ɛma karka a ɛyɛ tẽẽ no kɔ so tra hɔ. Nsɛm a ɛfa akyi ne dwumadie tebea ho a ɛfa steering valves ho ma Shantui Bulldozersin Shantui Bulldozer, steering valve, sɛ adeɛ titire a ɛwɔ steering system no mu no, di dwuma titire wɔ steering control adwumayɛ nyinaa mu. Mprempren, ɛwom sɛ wɔanka "steering valve assembly (B)" no parameters pɔtee ho asɛm tẽẽ wɔ nhwehwɛmu aba no mu de, nanso wobetumi aka shantui sd series bulldozers no steering system no ho nhyehyɛe ne nsɛm a ɛfa ho no nyinaa abom de ama nsɛm a wɔde bɛte ase de ate steering valves a wɔde di dwuma no ase afi steering system functions, typical configuration su, etc. SD52-5 fa modular structure design, na steering valve no yɛ core control component. Wɔde di dwuma kɛse wɔ bulldozer adwumayɛ tebea ahorow te sɛ asase so adwumayɛ ho mfiridwuma, mining, ne infrastructure construction mu, hwɛ hu sɛ ɛyɛ mmerɛw stia na ahobammɔ ka nnwinnade wɔ adwumayɛ tebea a ɛyɛ den mu .
Application scenarios ne adwumayɛ ho nhyehyɛe .
1. mmeae a wɔtaa de di dwuma .
Bulldozer steering control: Directly drive steering cylinder no na ama woanya steering kɛse a ɛyɛ ± 30℃anaa nea ɛboro saa, a ɛfata ma adansi mmeae teateaa anaa asase a ɛyɛ den.
Low Speed Heavy-ADWUMA A WƆDE MA TE sɛ loaders, tractor, ne nea ɛkeka ho BHR series steering gear no betumi agyina kwan a ɛkɔ soro kodu 1000m 3/r ne steering torque a ɛyɛ 1.6-2.8N · M denam optimized structural design so.
Emergency Manual Steering: Model binom (te sɛ BZZ2) Support Manual Operation Sɛ Engine no sɛe a, ɛyɛ mfitiaseɛ steering dwumadie denam mfiri nkitahodiɛ so.
2. Adwumayɛ ho nsɛnkyerɛnne titiriw .
Nhyɛsoɔ ne nsuo a ɛsene: BLV{0}}ZXFZ-SY-KTC Steering Valve Group no wɔ adwumayɛ nhyɛsoɔ a ɛkyɛn so a ɛyɛ 21MPa ne nsuo a ɛsene a ɛyɛ 120L/min, a ɛdi nhyɛsoɔ kɛseɛ ne nsuo a ɛsene kɛseɛ ho ahwehwɛdeɛ so.
Mmuaeɛ ahoɔhare: BHR5 load sensing steering gear, a ɛne priority valve no ka ho no, tumi nya millisecond level flow distribution na ɛma steering sensitivity no tu mpɔn.
Ahotoso: Nneɛma a ɛkari pɛ a wɔde valve cores ne wear-nneɛma a ɛko tia (te sɛ silicon nitride ceramics) a wɔde di dwuma no ma valve nhyiam no nkwa nna yɛ bɛboro nnɔnhwerew 5000.
Mfiridwuma mu su ne nnwuma mu nkɔso .
Nhumu a wɔde yɛ nneɛma foforo .
Wɔ afe 2025 mu no, awoɔ ntoatoasoɔ foforɔ a ɛwɔ steering valve B integrates mu no tumi di bɔs control ne displacement sensors (te sɛ Hengli HSQD series), a ɛtumi hwɛ valve core gyinabea ne system pressure wɔ berɛ ankasa mu, nya mfomsoɔ ho nhwehwɛmu ne akyirikyiri hwɛ. Sɛ nhwɛso no, ɛdenam closed-LOOP feedback technology so no, wobetumi adi steering accuracy error no so wɔ ± 0.5℃mu .
Ahoɔden a wɔkora so ho nhyehyɛe .
Agye load sensitive technology (te sɛ BHR5 type), hydraulic flow no ankasa sesa sɛnea steering load, sie 15% -20% ahoɔden sɛ wɔde toto atetesɛm valve akuw. Nhwɛsoɔ binom nso boa "floating mode", ɛma bulldozer no tumi ne asase no hyia ne ho na ɛtew ahoɔden a wɔde di dwuma so.
Nneɛma a Wɔde Yɛ Nneɛma Foforo .
Ceramic valve cores (te sɛ alumina ceramics) a wɔde di dwuma no ma corrosion resistance ne wear resistance tu mpɔn kɛse, na ɛtrɛw ɔsom nkwa nna mu bɛboro mprɛnsa wɔ acidic asase anaa mfutuma a ɛkɔ soro mmeae. Bere koro no ara mu no, nneɛma a wɔde hyɛ mu a wɔde hyɛ mu a wɔde di dwuma no ne EU nneɛma a atwa yɛn ho ahyia ho gyinapɛn ahorow hyia, na ɛtew mframa bɔne a wɔtow gu no so 10%. Plus series bulldozers no ayɛ optimized wɔ control system no mu, a variable speed steering control no ayɛ adwuma wɔ nsa biako a wɔahyehyɛ wɔ draiver no benkum so.
Control design a wɔaka abom no de ahwehwɛde a ɛkorɔn to steering valve no sohwɛ pɛpɛɛpɛ so, na ɛhwehwɛ sɛ ɛyɛ ho biribi pɛpɛɛpɛ wɔ dwumadie ho na ɛyɛ steering nneyɛe a ɛyɛ mmerɛw na ɛyɛ adwuma yiye. Bio nso, plus series bulldozers de seamless snakeskin tubes ne t-shaped splitters di dwuma ma kar wiring harness. Snakeskin tubes a ɛnyɛ den no wɔ ahoɔden a ɛkorɔn ne nsɔano pa, a ebetumi abɔ kar no wiring harness ho ban yiye, a nea ɛka ho ne steering valve control circuit no, ɛtew asiane a ɛwɔ steering valve a ɛyera no so esiane circuit faults nti, na ɛma steering nhyehyɛe no gyina pintinn .
Tags a ɛyɛ hyew .: 195-40-00800Seering valve ASSY(B), China 195-40-00800Ssy(B) a wɔyɛ, wɔn a wɔde nneɛma ma, Adwumayɛbea
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