Ke eng e etsang hore u sebelise matla a fokolang ho eona ho phahamisa koloi ea hau?Ee, ke jack e ka tsamaisoang le koloi ho etsa ts'ebetso ea mantlha ea mochini.Leha ho le joalo, ntle le jack ena e nkehang, ho na le li-jacks tse fapaneng tse fumanehang 'marakeng.Li-jacks li ka aroloa ho ea ka mochine oa ho hlahisa matla.Re na le li-jacks tsa mochini, li-jacks tsa motlakase, li-hydraulic jacks le li-pneumatic jacks.Mefuta ena eohle ea li-jacks e ka phahamisa lintho tse boima, empa masimo a tsona a kopo, bokhoni ba ho phahamisa le moralo o tla fapana.

A jack hydraulicke sesebedisoa sa motjhini se sebedisang matla a lero ho sebetsa.Ka thuso ea li-jacks tsa hydraulic, lintho tse boima li ka phahamisoa habonolo ka matla a fokolang.Ka kakaretso, sesebelisoa sa ho phahamisa se sebelisa li-cylinders tsa hydraulic ho sebelisa matla a pele.Li-jacks tsa Hydraulic li na le mefuta e mengata ea ts'ebeliso ea lits'ebetso tsa literene, ts'ireletso, kaho, lifofane, lisebelisoa tsa ho tsamaisa thepa, lifeme tsa motlakase o fehlang ka metsi, sethala sa merafo le se phahamisang.Motsamao o boreleli le o boreleli oa jack e lebelo e feto-fetohang tlas'a meroalo e fapaneng kapa e phahameng e etsa hore jack hydraulic e loketse lits'ebetso tsohle tse kaholimo.Ka mokhoa o ts'oanang, ts'ebeliso ea li-jacks tsa hydraulic e ka fana ka matla a maholo a ho phahamisa ho feta libaka tse kholo.

Ha re hetla morao historing, patent bakeng sa jack portable hydraulic jack e ile ea fuoa Richard Dudgeon ka 1851. Pele ho sena, William Joseph Curtis o ile a etsa kopo ea patent ea Brithani bakeng sa li-jacks tsa hydraulic ka 1838.

Litanka tsa polokelo ea oli kapa li-buffer, li-cylinders tsa hydraulic, lipompo, li-valve tsa ho hlahloba le li-valve tsa ho lokolla ke likarolo tsa bohlokoa tsa li-jacks tsa hydraulic, tse thusang ho phahamisa lintho tse boima.Joalo ka sistimi e 'ngoe le e' ngoe ea hydraulic, tanka ea polokelo ea oli e tla boloka oli ea hydraulic mme e fane ka oli e hatelletsoeng ea hydraulic ho cylinder e kopantsoeng ka thuso ea pompo ea hydraulic.Sesepa sa ho hlahloba se pakeng tsa silinda le pompo se tla tsamaisa phallo.Ha mokelikeli o kena ka har'a hydraulic cylinder, piston e atoloha le ho hatella moqomo oa bobeli oa haeteroliki.Ka mor'a ho qeta mosebetsi, valve ea ho lokolla e sebelisetsoa ho hula piston ea hydraulic.Bokhoni ba tanka ea polokelo kapa tanka ea buffer bo tla ipapisa le tlhokeho ea oli ea haeteroliki hore silindara e ka atoloha le ho hula morao.Lintlha tse qaqileng ka li-jacks tsa hydraulic li hlalositsoe ka tlase.

Jack hydraulic jack e sebetsa joang?Molao-motheo o sebetsang oa li-jacks tsa hydraulic o thehiloe holim'a molao-motheo oa khatello ea Pascal.Ke hore, khatello e sebelisoang ho mokelikeli o bolokiloeng ka har'a setshelo o tla ajoa ka ho lekana ka mahlakoreng 'ohle.Likarolo tsa bohlokoa tsa jack hydraulic jack ke hydraulic cylinder, sistimi ea pompo le oli ea hydraulic (hangata oli).Khetha metsi a jack hydraulic ka ho nahana ka thepa e itseng ea mokelikeli (joalo ka viscosity, botsitso ba mocheso, ho sefa, botsitso ba hydrolytic, joalo-joalo).Haeba u khetha oli e tsamaisanang le hydraulic, e tla fana ka ts'ebetso e ntle ka ho fetisisa, ho itlotsa le ts'ebetso e boreleli.Moralo oa jack hydraulic jack o tla ba le li-cylinders tse peli (e 'ngoe e nyane le e' ngoe e kholo) e hokahaneng ka liphaephe.Li-cylinders ka bobeli li tlatsitsoe ka oli ea hydraulic.Ha khatello e nyenyane e sebelisoa ho cylinder e nyenyane, khatello e tla fetisetsoa ka mokhoa o lekanang ho cylinder e kholoanyane ka mokelikeli o sa tsitsang.Hona joale, silinda e kholoanyane e tla ba le phello ea ho atisa matla.Matla a sebelisoang lintlheng tsohle tsa li-cylinders tse peli li tla tšoana.Leha ho le joalo, matla a hlahisoang ke cylinder e kholoanyane e tla ba holimo le ho lekana le sebaka se ka holimo.Ho phaella ho cylinder, jack hydraulic jack e tla kenyelletsa tsamaiso ea ho pompa ho sutumelletsa mokelikeli ka har'a silinda ka valve ea tsela e le 'ngoe.Belofo ena e tla thibela ho khutla ha oli ea hydraulic ho tloha moqomong oa hydraulic.

Libotlolo tsa botlolole li-plate jacks ke mefuta e 'meli ea li-jacks tsa hydraulic.The bearing pad e tšehetsoeng ke vertical shaft e ikarabella ho leka-lekanya boima ba ntho e phahamisitsoeng.Li-jack li sebelisetsoa ho hlokomela metheo ea likoloi le ea matlo, hammoho le li-lifti tse khutšoane tse otlolohileng.Li-jacks li ka fana ka mefuta e mengata ea ho phahamisa e otlolohileng.Ka hona, li-jacks tsena li sebelisoa hangata indastering ea merafo.Ho fapana le se phahamisang botlolo, shaft e tšekaletseng e sututsa crank hore e hokahane le pad e phahamisang, ebe e e phahamisa ho ea holimo.

Re ka etsa liqeto ka mor'a ho buisana ka mekhoa ea ho rarolla mathata bakeng sa li-jacks tsa hydraulic.Ke lokela ho etsa eng haeba jack hydraulic e sa khone ho phahamisa lintho?Boemo bo tlase ba oli e ka ba sesosa sa phoso ena.Ka hona, pele, o hloka ho lekola boemo ba oli.Haeba u fumana hore palo ea oli ka har'a sistimi ha e lekane, ka kopo, tlatsa.Ho dutla kapa ho hloleha ha tiiso e ka ba sesosa se seng sa boemo bona.Haeba gasket e senyehile, gasket e holim'a moqomo oa khatello e hloka ho nkeloa sebaka.