Hydraulique bɛ se ka kɛ i n’a fɔ barokun min bɛ sɔrɔ injiniyɛriw dɔrɔn de fɛ, nka i ka jateminɛ kɛ? A jɔyɔrɔ ka bon kosɛbɛ an ka don o don masinw na. Yala i delila ka sɛgɛsɛgɛlikɛlan dɔ ye k’a bolo belebeleba lamaga wa? O ye jiko ye min bɛ baara la. Wa o lamaga-lamagali nɔgɔlen in kɔfɛ, yɔrɔ fitinin hakilitigi dɔ bɛ yen: o ɲɛsincogo ɲɛnabɔli bɔlɔn . A to n k’aw bila sira fɛ cogo la min faamuyali ka nɔgɔn
1. Hydraulic Directional Control Valve ye mun ye?
Directional control valves (DCV) ye fɛn nafamaw ye jiko siratigɛ la, minnu dabɔra walasa ka jibolisiraw bolicogo ɲɛnabɔ tigitigi . U ka baara koloma ye ka baarakɛminɛnw lamagacogo, a daminɛcogo ani a jɔcogo kɔlɔsi (i n’a fɔ ji silinda walima motɛriw) u kɛtɔ ka kɛ i n’a fɔ jibɔ ɲɛminɛcogo min bɛ se ka wuli.
Baarakɛcogo jɔnjɔnw & Baarakɛcogo sariyakolo:
Flow Path Control & Directional Switching: DCVw bɛ baara kɛ ni kɔnɔna jibɔyɔrɔw caman cili ye. U bɛ ji bila pɔnpe la (degun sɔrɔyɔrɔ) ka taa baarakɛminɛn kɛrɛnkɛrɛnnenw da la ani ka ji segin ka bɔ baarakɛminɛn na ka taa jidagayɔrɔ la (segin sira). O jibɔ siraw caman cili tigitigi in (misali la, ka ji ɲɛsin silinda dɔ laban ma min tɛ bere ye walima bere tɛ min na) o bɛ walekɛla ka lamaga sira jira k’a ɲɛsin a ma (misali la, ji silinda janya walima a kɔsegincogo).
Actuator Movement Control: Ni DCVw bɛ ji sira Changer, o b’a to baarakɛlaw bɛ se ka lamaga daminɛ, k’u jɔ, ani k’u kɔsegin o yɔrɔnin bɛɛ . actuators
Tansiyɔn ɲɛnabɔli (Dɛmɛ baara): DCV dilanni walima baarakɛcogo dɔw bɛ se ka dɛmɛ don cogo la min tɛ ɲɛsin sistɛmu tansiyɔn ɲɛnabɔli ma ni ji bilali ye ka bɔ layini kɛrɛnkɛrɛnnenw na ka taa jidagayɔrɔ la walima dɛmɛnan dɔ la.
Danfara:
Sira-kɔlɔsili-minɛnw bɛ tila fɔlɔ ka kɛ suguya belebele saba ye:
Hydraulic Check Valves: Aw bɛ a to ji ka boli sira kelen dɔrɔn fɛ.
Directional Spool Valves: Aw bɛ baara kɛ ni sliding spool ye bore kɔnɔ walasa ka jibɔ siraw wuli ani ka u siri/ka u tigɛ. Nin ye dilancogo ye min ka teli ka kɛ.
Poppet Valves (Seat-Type Directional Valves): Aw bɛ baara kɛ ni fɛnw ye minnu bɛ fɛnw datugu (poppets, balls, discs) minnu bɛ da walima ka datugu sigilanw kan walasa ka jibɔ siraw kɔlɔsi.
2.Directionnel Contrôle Valvew bɛ baara kɛ cogo min na
Directional Control Valves (DCV) ye jiko siratigɛ la, u bɛ jibɔ siraw ɲɛnabɔ tigitigi ani ka jibɔ/dabila cogoyaw ɲɛnabɔ jibolisiraw kɔnɔ walasa ka baara gɛlɛn caman kɛ. U jɔyɔrɔ fɔlɔ ye ka ji bila sira kan, ka ji tulu bila pɔnpe la ka taa baarakɛminɛnw na (i n’a fɔ ka janya/ka kɔsegin ji silinda walima motɛri minnu bɛ wuli ka taa ɲɛfɛ/kɔfɛ) walima ka segin tulu bilasira ka bɔ baarakɛminɛnw na ka segin jidagayɔrɔ la, o bɛ kɛ sababu ye ka ɲɛmɔgɔya yɔrɔw lamagacogo kɔlɔsi k’a ɲɛsin u ma.
U fana bɛ ni jibɔ balili seko ye, o b’a to jibɔ sira kɛrɛnkɛrɛnnenw bɛ se ka datugu sigida ladonni waati walima baarakɛcogo dabila waati. O bɛ sistɛmu yɔrɔ fitininw fara ɲɔgɔn kan, ka sistɛmu dabila pewu bali ani ka ladonni ɲɛ kosɛbɛ. Walasa ka jɔli ɲɛnabɔ ka ɲɛ, a ka c’a la, valvew bɛ jɔyɔrɔ neutre mara , yɔrɔ min na ji bɛ to a cogo la ani a labɛnnen don, a bɛ jibɔ sira baara dɔrɔn baarakɛcogo cikan sɔrɔlen kɔfɛ.
valve ka baarakɛcogo sinsinnen bɛ dynamique spool switching kan . Ni baara dɔ ka kan ka kɛ, DCV bɛ yɔrɔ sɛgɛsɛgɛlikɛlan dɔ daminɛ yɔrɔnin kelen (misali la, a dabɔlen don pewu fo ka se a datugulen dafalen ma) bololabaara, otomatiki walima cycle activation fɛ min latigɛra ka kɔn. O bɛ kɛ sababu ye ka ji in teliya walima ka a dɔgɔya joona, o bɛ kɛ sababu ye ka baarakɛminɛn bila ka a daminɛ walima ka a jɔ. Ni baara kɛra ni fɛn dɔ ye min bɛ bɛn ɲɔgɔn ma , jibɔ bɛ labɛn ka ɲɛ ni da wulicogo sɛgɛsɛgɛli ye dɔɔnin dɔɔnin, o bɛ se ka kɛ sababu ye ka teliya ni sɛgɛnlafiɲɛbɔlan sɛgɛsɛgɛ min bɛ se ka wuli ka bɔ a nɔ na. Baara bannen kɔfɛ, valve bɛ segin a yɛrɛma a jɔyɔrɔ la min tɛ fɛn wɛrɛ ye, ka 'standby → activation → reset' baara kɛcogo dafa.
Jagokɛcogo siratigɛ la, DCV min ka nɔgɔn kosɛbɛ, o ye a sira fila-fila-minɛn , min bɛ ni dondaw ni bɔyɔrɔ dɔrɔn ye, min bɛ da wulicogo jɔnjɔn di masin dabɔli ni a datuguli fɛ (a ni jibɔlan bɛ tali kɛ ɲɔgɔn na sariya siratigɛ la). Ni DCV sugandira, fɛn koloma saba ka kan ka jateminɛ kosɛbɛ : jidagayɔrɔw hakɛ de bɛ pibiliki jɛgɛnsira hakɛ dantigɛ (misali la, sira 2 bɛ bɛn dakun fila ma) bɛ bɔgɔdaga jɔyɔrɔ hakɛ jibɔ siraw sigicogo gɛlɛya ɲɛfɔ (misali la, 3-yɔrɔ bɔlɔn bɛ sira caman di i n’a fɔ ɲɛfɛ-kɔrɔ-kɔfɛ); ani tansiyɔn hakɛ ka kan ka bɛn kosɛbɛ sistɛmu ka baarakɛcogo tansiyɔn kurulen ma walasa ka dannaya sɔrɔ.
3.Degun siraw ni segin siraw jɔyɔrɔ
Tansiyɔn layini (P) : A bɛ ji bɔ pɔnpe la
Segin sira (T) : A bɛ ji kɔrɔlen ci ka segin jidagayɔrɔ la
Baarakɛminɛnw (A & B) : Aw bɛ ji ta ka taa/ka bɔ baarakɛminɛn na
Valve bɛ ninnu siri ɲɔgɔn na cogoya wɛrɛw la walasa ka masin lamaga.
4.Baarakɛcogo kɔlɔsili ani a nafa min bɛ ɲɛsin ɲɛminɛcogo ɲɛnabɔli valvew ma
Directional control valve (DCV) bɛ baarakɛcogo ni kɔrɔsili fɛɛrɛ suguya caman di minnu bɛ bɛn baarakɛcogo kɛrɛnkɛrɛnnenw ma. A core actuation sugandiliw ye ninnu ye:
Solenoid Actuation: A bɛ baara kɛ ni kuran fanga ye (min bɛ sɔrɔ fɛnw fɛ i n’a fɔ bobinew, armatures walima pistons) walasa ka valve control tigitigi ani dannaya bɛ se ka da min kan.
Bololabaarakɛcogo : A bɛ hadamadenw ka dɛmɛ tilennen kɛ (misali la, bololafɛnw walima sennasanbaraw) walasa ka baara kɛ ka ɲɛ baarakɛcogo bɛnnenw na.
Masina baarakɛcogo : A bɛ a jigi da masin fanga kan min bɛ kɛ (misali la, kamera, levier walima rollers fɛ) walasa ka valve wuli.
Pneumatic Actuation (Pneumatic Actuation): A bɛ fiɲɛ digilen kɛ walasa ka fanga sɔrɔ min ka kan ka kɛ walasa ka valve jiginni teliya la ani cogo ɲuman na.
Hydraulic Actuation: A bɛ jiko kunkanko tansiyɔn kɛ walasa ka valve spool lamaga, o bɛ kɛ sababu ye ka kunnafoni barikama ni tigitigi kɛ.
Jɛkulu jɔyɔrɔ kɔrɔtalenw kɔlɔsili baarakɛcogo:
Spring Return: A bɛ a lajɛ ko valve bɛ segin a yɛrɛma a jɔyɔrɔ la min latigɛra (misali la, neutre) ni fanga min bɛ baara kɛ, o bɔra. O nafa ka bon lakana kama, sistɛmu kɛcogo min bɛ se ka fɔ ka ɲɛ, ani jibɔcogo tigitigi la.
Detented Operation (Position Holding): A bɛ baara kɛ ni masin latching mechanism ye walasa ka valve mara ka ɲɛ a jɔyɔrɔ wulilen na hali ni actuating force bɔra. O nafa ka bon kosɛbɛ baarakɛcogo la minnu bɛ kɛ sababu ye ka valve sigicogo sabatilen, kuntaalajan kɛ walasa ka sistɛmu baara kɛ cogo basigilen na.
5.Baarakɛcogo kɔlɔsili ani a nafa min bɛ ɲɛsin ɲɛminɛcogo ɲɛnabɔli valvew ma
Directional control valve (DCV) bɛ baarakɛcogo ni kɔrɔsili fɛɛrɛ suguya caman di minnu bɛ bɛn baarakɛcogo kɛrɛnkɛrɛnnenw ma. A core actuation sugandiliw ye ninnu ye:
Solenoid Actuation: A bɛ baara kɛ ni kuran fanga ye (min bɛ sɔrɔ fɛnw fɛ i n’a fɔ bobinew, armatures walima pistons) walasa ka valve control tigitigi ani dannaya bɛ se ka da min kan.
Bololabaarakɛcogo : A bɛ hadamadenw ka dɛmɛ tilennen kɛ (misali la, bololafɛnw walima sennasanbaraw) walasa ka baara kɛ ka ɲɛ baarakɛcogo bɛnnenw na.
Masina baarakɛcogo : A bɛ a jigi da masin fanga kan min bɛ kɛ (misali la, kamera, levier walima rollers fɛ) walasa ka valve wuli.
Pneumatic Actuation (Pneumatic Actuation): A bɛ fiɲɛ digilen kɛ walasa ka fanga sɔrɔ min ka kan ka kɛ walasa ka valve jiginni teliya la ani cogo ɲuman na.
Hydraulic Actuation: A bɛ jiko kunkanko tansiyɔn kɛ walasa ka valve spool lamaga, o bɛ kɛ sababu ye ka kunnafoni barikama ni tigitigi kɛ.
Jɛkulu jɔyɔrɔ kɔrɔtalenw kɔlɔsili baarakɛcogo:
Spring Return: A bɛ a lajɛ ko valve bɛ segin a yɛrɛma a jɔyɔrɔ la min latigɛra (misali la, neutre) ni fanga min bɛ baara kɛ, o bɔra. O nafa ka bon lakana kama, sistɛmu kɛcogo min bɛ se ka fɔ ka ɲɛ, ani jibɔcogo tigitigi la.
Detented Operation (Position Holding): A bɛ baara kɛ ni masin latching mechanism ye walasa ka valve mara ka ɲɛ a jɔyɔrɔ wulilen na hali ni actuating force bɔra. O nafa ka bon kosɛbɛ baarakɛcogo la minnu bɛ kɛ sababu ye ka valve sigicogo sabatilen, kuntaalajan kɛ walasa ka sistɛmu baara kɛ cogo basigilen na.
6.Ka ɲɛsin sira ɲuman ɲɛminɛlan sugandili ma
Ka bɛnnen sugandili ma, ɲɛsin ɲɛminɛlan (DCV) o nafa ka bon kosɛbɛ walasa ka i ka jibolisira baara kɛcogo ɲɛ. DCVw bɛ tila ka kɛɲɛ ni jogo nafama caman ye, o b’a to aw bɛ se ka fɛn dafalen sɔrɔ min bɛ bɛn aw ka baara kɛrɛnkɛrɛnnen ma. O jogo ninnu dɔw ye:
Jibɔ ni tansiyɔn hakɛ maksimali: Olu bɛ jibɔ hakɛ maksimali (ji hakɛ min bɛ se ka tɛmɛ a fɛ) ani baarakɛ tansiyɔn hakɛ danmadɔ jira (tansiyɔnba min bɛ se ka kɛ valve bɛ se ka min minɛ lafiya la baarakɛtuma na). Nin ko fila ninnu de nafa ka bon kosɛbɛ bawo u bɛ tali kɛ fanga ni baarakɛcogo ɲuman na i ka sistɛmu bɛ se ka min sɔrɔ. Ni aw tɛmɛna o danw kan, o bɛ se ka kɛ sababu ye ka sistɛmu tiɲɛ ani ka lakana faratiw lase mɔgɔ ma.
Fluid Path Configuration: O bɛ a ɲɛfɔ cogo min na ji bɛ se ka tɛmɛ valve fɛ.
Misali la, check valve , o ye 2-way, 2-position valve sugu dɔ ye. A ka c’a la, a bɛ boli ni layini degun ye, o bɛ a to ji ka woyo hɔrɔnya la sira kelen fɛ nka a bɛ woyo bali pewu sira wɛrɛ fɛ. Aw k’a miiri i n’a fɔ sira kelen da min bɛ kɛ aw ka jibɔlan na.
Shuttle valve ye misali ye min bɛ sɔrɔ sira 3, 2-position valve. A bɛ hakilitigiya Kɛ k’a To jibɔ ka Bɔ donna-yɔrɔ fla danfaralenw na k’u ɲɛsin bɔli-yɔrɔ kelen ma min bɛ Kɛ ɲɔgɔn fɛ. O nafa ka bon kosɛbɛ ni aw mago bɛ ka degun taamasiɲɛ fila danfaralenw sugandi walasa ka baarakɛminɛn dɔ kunnafoni.
Yɔrɔ hakɛ : A ka c’a la, DCVw bɛ jɔyɔrɔ fila walima saba sɔrɔ.
A ka c'a la, jɔyɔrɔ fila-fila bɛ 'on' ni 'off' cogoya di, walima laala 'ɲɛnama' ani 'kɔfɛ.'
A ka c’a la, fɛn saba-yɔrɔ-yɔrɔ-yɔrɔ bɛ kunnafoni-falen-falen-falen-falen-minɛnw di, i n’a fɔ 'ɲɛfɛ,' 'neutre,' ani 'kɔfɛ.' A ka c’a la, jɔyɔrɔ neutre nafa ka bon kosɛbɛ walasa ka a to actuator ka a jɔyɔrɔ minɛ walima ka fanga bɔ sistɛmu la k’a sɔrɔ a ma a datugu pewu.
Port hakɛ : O bɛ tali kɛ ji sira danfaralenw hakɛ la , ji bɛ se ka don walima ka bɔ yɔrɔ minnu na. Misali min bɛ sɔrɔ tuma caman na, o ye 4-port, 3-position valve ye min bɛ kɛ tuma caman na ka ji-silinda minnu bɛ baara kɛ siɲɛ fila, olu kɔlɔsi (da kelen bɛ kɛ ka degun don, kelen bɛ segin ka bɔ silinda fan kelen-kelen bɛɛ la, ani tanki sira).
Actuation Method (Drive): O bɛ a ɲɛfɔ cogo min na valve bɛ wuli walima ka cycle kɛ a jɔyɔrɔ danfaralenw ni ɲɔgɔn cɛ. Baarakɛcogo minnu bɛ Kɛ tuma caman na olu ye:
Bololabaara: A bɛ baara kɛ ni bolo ye, ni leviers walima senna-pedaliw ye.
Solenoid: Kuran bɛ baara kɛ, a ka ca a la otomatiki sitɛmuw la.
Piloti ji/fiɲɛ: A bɛ kɔlɔsi ni ji walima fiɲɛ taamasiɲɛ fitinin ye.
Masina: A bɛ baara kɛ ni kamera, wuluwulu walima masin ɲɔgɔndan wɛrɛw ye.
AQw (AQw) ye
1. Yala sira jiralan kelen bɛ se ka silinda caman mara wa?
A ma kɛ cogo ɲuman na. A ka c’a la, silinda kelen-kelen bɛɛ mago bɛ a yɛrɛ ka bɔgɔdaga la walasa a kana ɲɔgɔn cɛtigɛ.
2. Danfara jumɛn bɛ cɛmancɛ da wulilen ni cɛmancɛ datugulen bɔlɔnw cɛ?
Santiri da wulilen bɛ a to pɔnpe boli ka taa ɲɛ ka taa jidagayɔrɔ la neutre kɔnɔ. Santiri dagalen bɛ port bɛɛ datugu, ka degun minɛ.
3. Mun na aw bɛ baara kɛ ni 3-position valve ye sanni ka 2-position valve kɛ?
Neutre (cɛmancɛ) jɔyɔrɔ bɛ sira di baara kɛcogo ɲuman ma ani fanga dɔgɔyali ma.
4. Yala ne bɛ se ka baara kɛ ni DCV ye ji motɛri kan wa?
Ɔwɔ, nka aw ye aw jija ka a lajɛ ni sumanmugu bɛ bɛn motɛri ka jibɔ ni a ka tansiyɔn cogoyaw ma.
5. Ne bɛ se k’a dɔn cogo di ko ne ka valve tɛ baara kɛ ka ɲɛ?
Ni baarakɛminɛnw ye jaabi dabila walima ni u bɛ lamaga cogo la min tɛ bɛn, a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ ko a bɛ se ka kɛ.
