Tlhokomelo e Felletseng ea Li-cylinders tsa Hydraulic bakeng sa Li-booms tsa Lori tsa Konkreite 

Li-booms tsa literaka tsa konkreite li itšetlehile haholo ka lisilindara tsa haeteroliki ho fihlela metsamao e nepahetseng le e tsitsitseng ea ho phahamisa, ho atolosa le ho mena. Li-cylinders tsena li sebetsa tlas'a khatello e matla, meroalo e boima, le maemo a thata a ho sebetsa (joalo ka ho pepesehela masala a konkreite, lerōle le ho feto-fetoha ha mocheso), ho etsa hore tlhokomelo ea kamehla le litokiso tse nakong e be tsa bohlokoa ho thibela ho hlōleha ha tšohanyetso le ho netefatsa ts'ireletso ea ts'ebetso. Sengoliloeng sena se qaqisa mehato ea bohlokoa le lintlha tsa tekheniki bakeng sa ho lokisa lisilindara tsa hydraulic tsa teraka ea pompo ea konkreite, ho koahela boitokisetso ba pele ho tokiso, ho qhaqhoa, ho hlahloba, ho nchafatsa likarolo, ho kopanya hape le tlhahlobo ea kamora ho lokisoa.

1. Tokisetso ea Pele ho Tlhokomelo: Tšireletseho le Boitokisetso ba Lisebelisoa

Tšireletseho ke eona ntho e ka sehloohong pele u qala mosebetsi ofe kapa ofe oa ho lokisa. Pele, emisa teraka ea pompo ea konkreite sebakeng se bataletseng, se tiileng 'me u kenye mariki a ho paka. Theola boom sebakeng se tsitsitseng se rapameng (kapa sebelisa foreimi ea tšehetso haeba boom e ke ke ea theoleloa) ho imolla khatello holim'a cylinder ea haeteroliki. Tima enjene ea teraka 'me u hakolle betri ho qoba ts'ebetso ea hydraulic system ka phoso. Ka mor'a moo, lokolla khatello e setseng ka har'a potoloho ea hydraulic: butle-butle theola manonyeletso a lipeipi tsa oli tsa silinda (ho sebelisa wrench e nang le torque limiter) ha u ntse u beha pane ea oli ka tlase ho bokella oli e lutlang ea haeteroliki, ho etsa bonnete ba hore ha ho na likhatello tse phahameng tsa oli tse tsoang ho baka kotsi.

Bakeng sa ho lokisa lisebelisoa, bokella lisebelisoa tse khethehileng ho qoba ho senya likarolo tse nepahetseng. Lisebelisoa tse hlokahalang li kenyelletsa: sete ea li-wrenches tsa torque (tse nang le mefuta e mengata ea 0-500 N·m, e loketseng ho tiisa litlhaloso tse fapaneng tsa liboutu), sethala sa hydraulic cylinder disassembly stand (ho lokisa moqomo ka mokhoa o tsitsitseng nakong ea ho qhaqhoa), mochine oa molamu oa piston (bakeng sa ho tlosa piston ka mokhoa o bolokehileng ho tloha ho li-cylinder barrel tse nyenyane), le li-valve), mochine oa ho hlahloba holim'a metsi (ho hlahloba lerako le ka hare la moqomo le bokaholimo ba molamu oa piston), le sete sa likarolo tse ncha (tse kang litiiso, li-O-rings, mehele ea lerōle, le matsoho a tataisang, a lokelang ho lumellana le mohlala oa cylinder-mohlala, bakeng sa Sany SY5419THB ea lisebelisoa tse khethehileng tsa lipompo tsa lipompo tse nang le lisebelisoa tsa lipompo tsa nitri le li-sleeve tsa pele. fluororubber ho hanela khatello e phahameng le ho bola ha oli).

2. Ho qhaqhoa ha Hydraulic Cylinder: Mohato ka Mohato le Thibelo ea Tšenyo

Arola moqomo sebakeng se hloekileng, se se nang lerole (kapa sebelisa sekoahelo sa lerole haeba se sebetsa kantle) ho thibela litšila ho kena mochining oa haeteroliki. Tatelano ea disassembly e tlameha ho latela moralo oa sebopeho sa silinda ho qoba ho senyeha ha likaroloana:

1. Tlosa Maqhama a Ntle: Sebelisa socket wrench ho hakolla sekeno sa oli le liphaephe tsa ho tsoa ho likatiba tsa moqomo. Tšoaea phala e 'ngoe le e 'ngoe le lenonyeletso ka leibole (mohlala, "Inlet Pipe - Rod End") ho qoba khokahano e fosahetseng nakong ea ho kopanya hape. Hokela likou tsa lipeipi le masoba a oli a silindara ka likatiba tsa polasetiki tse hloekileng ho thibela lerōle kapa litšila ho kena.
2. Hlakola End Cap le Piston Rod: Lokisa barrel ea cylinder holim'a sethala sa disassembly. Sebelisa sekontiri sa torque ho lokolla li-bolts tse kopanyang sekoahelo se ka pele (molamu o qetellang) ho moqomo oa cylinder-sebelisa torque ka mokhoa o ts'oanang (mohlala, 80-120 N·m bakeng sa liboutu tsa M16) ho thibela sekoahelo sa ho qetela hore se se ke sa sisinyeha. Ka mor'a ho tlosa liboutu, sebelisa mallet ea rabara ho tlanya sekoahelo sa ho qetela ka bonolo 'me ue hule ka tsela e tšekaletseng. Ebe, butle-butle hula molamu oa piston (o nang le piston e khomaretsoeng) ho tsoa ka har'a moqomo oa cylinder, u qoba ho senya bokaholimo ba molamu oa piston khahlano le moeli oa moqomo oa silinda.
3. Arola Likaroloana tsa ka Hare: Arola piston ho tloha molamu oa piston ka ho tlosa nate ea ho notlela (sebelisa sepane se nang le lesela le sa thellang ho thibela molamu oa piston ho potoloha). Ntša kopano ea tiiso (ho kenyeletsoa le tiiso e kholo, selikalikoe sa bekapo, le buffer seal) ho tloha piston le cap cap-sebelisa pick ea polasetiki ho qoba ho senya li-grooves tsa tiiso.

3. Tlhahlobo ea Karolo: Lintlha tsa Bohlokoa bakeng sa Phetoho

Karolo e 'ngoe le e 'ngoe e qhaqhoa e tlameha ho hlahlobjoa ka tieo ho fumana hore na e lokisoe kapa e emisetsoe. Lintlha tse latelang ke lintlha tsa bohlokoa tsa tlhahlobo le litekanyetso:

• Moqomo oa Cylinder: Lekola lebota le ka hare ho bona hore na ha ho na mengwapo, ha ho kutu, kapa ho senyehile. Sebelisa mochini o hlahlobang bokhachane ho lekanya bokhopo-haeba bo feta Ra0.8 μm (boemo ba libarele tsa hydraulic cylinder), moqomo o tlameha ho nkeloa sebaka. Bakeng sa li-scratches tse nyenyane (botebo ba <0.2 mm), sebelisa sandpaper e ntle ea grit (800-1200 mesh) ho bentša bokaholimo ka lehlakoreng la axis ea cylinder, empa etsa bonnete ba hore bophara bo ka hare bo ntse bo le ka har'a tekanyo ea mamello (mohlala, ± 0.05 mm bakeng sa barrel e ka hare ea 160 mm).
• Molamu oa Piston: Lekola bokantle bo ka ntle bakeng sa boqhobane, ho ebola ha chrome, kapa ho kobeha. Sebelisa letšoao la ho daela ho lekanya ho otloloha-haeba tekanyo ea ho koba e feta 0.5 mm ka mithara, molamu o tlameha ho otloloha (ho sebelisa mochine o otlolohileng oa hydraulic) kapa o nkeloe sebaka. Lekola botenya ba chrome-plating ka tekanyo ea botenya ba ho roala; haeba e le ka tlase ho 0.05 mm, rete molamu hape ho thibela kutu.
• Litiiso le O-Rings: Hlahloba ha ho na le mapetsong, a thatafalang, kapa a holofetseng. Esita le haeba ho se na tšenyo e totobetseng, tlosa litiiso tsohle ka tse ncha (ha litiiso li senyeha ha nako e ntse e ea ka lebaka la botsofali ba oli le ho fetoha ha mocheso). Netefatsa hore litiiso tse ncha li na le boholo le thepa e lekanang le ea pele—ka mohlala, sebelisa litiiso tsa fluororubber bakeng sa lisilindara tse sebetsang sebakeng sa mocheso o phahameng (ka holimo ho 80°C) ho thibela ho tsofala ha mocheso.
• Tataisa Sleeve le Piston: Sheba sekoti se ka hare sa letsoho la tataiso bakeng sa ho apara-haeba sebaka se pakeng tsa letsoho la tataiso le molamu oa piston se feta 0.15 mm (e lekantsoeng ka mochine oa mochine), nka sebaka sa letsoho la tataiso. Hlahloba li-grooves tse tiisitsoeng tsa piston bakeng sa deformation; haeba botebo ba groove bo fokotsehile ho feta 0.1 mm, khutlisetsa piston ho netefatsa hore tiiso e lumellana ka thata.

4. Reassembly: Ts'ebetso e nepahetseng ho netefatsa Ts'ebetso ea Tiiso

Reassembly ke ka morao ho disassembly, empa ho nepahala ho bohlokoa ho qoba ho lutla kapa ho hloleha ha ts'ebetso. Latela mehato ena ea bohlokoa:

1. Hloekileng Likaroloana: Pele ho kopano, hloekisa likarolo tsohle (ho kenyeletsoa moqomo oa cylinder, piston rod, le litiiso tse ncha) ka mochini o hloekisang oli ea hydraulic (qoba ho sebelisa peterole kapa diesel, e ka senyang litiiso). Omisa lisebelisoa ka moea o hatelitsoeng (khatello <0.4 MPa) ho thibela metsi kapa masala ho sala.
2. Kenya Litiiso: Sebelisa lesela le tšesaane la oli ea hydraulic (mofuta o tšoanang le oli ea tsamaiso, mohlala, ISO VG46) ho litiiso tse ncha ebe u li kenya ka har'a li-grooves tsa tiiso. Bakeng sa tiiso e kholo (mohlala, tiiso ea U-cup), etsa bonnete ba hore molomo o shebane le tataiso ea khatello ea oli-ho kenya ka mokhoa o fosahetseng ho tla baka ho lutla ho matla. Sebelisa sesebelisoa sa ho kenya tiiso (sekoahelo sa polasetiki) ho sutumelletsa tiiso ka har'a groove, ho qoba ho sotha.
3. Kopanya Piston le Piston Rod: Hlakola piston holim'a molamu oa piston 'me u tiise nate ea ho notlela ho torque e boletsoeng (mohlala, 250-300 N·m bakeng sa linate tsa M24). Sebelisa torque wrench ho etsa bonnete ba hore matla a lekana, 'me u notlelle nate ka pini ea cotter (haeba e na le thepa) ho thibela ho lokoloha nakong ea ts'ebetso.
4. Kenya Piston Rod ho Cylinder Barrel: Kenya oli ea hydraulic holim'a molamu oa piston le lebota le ka hare la moqomo. Sututsa molamu oa piston ka har'a barrel butle-butle le ka mokhoa o tšekaletseng, ho netefatsa hore piston ha e thulane le lebota le ka hare la moqomo. Ebe, kenya sekoahelo se ka pele, kopanya likoti tsa bolt, 'me u tiise libotlolo ka mokhoa oa crisscross (torque e tlameha ho lumellana le tlhaloso ea moetsi-mohlala, 100 N·m bakeng sa li-bolts tsa M18) ho netefatsa hore sekoahelo sa ho qetela se tiisitsoe ka thata.
5. Kopanya Liphaephe tsa Oli: Kopanya hape liphaephe tsa ho kenya oli le ho tsoa ho ea ka lileibole tse entsoeng nakong ea ho qhaqhoa. Tiisa liphaephe tsa liphaephe ka mochine oa torque (mohlala, 40-60 N·m bakeng sa liphaephe tse 1-inch) ho qoba ho tiisa ho feta tekano, tse ka senyang khoele.

5. Teko ea Ka mor'a ho Lokisoa: Netefatsa Ts'ebetso le Tšireletseho

Kamora ho bokana hape, etsa liteko tse felletseng ho netefatsa hore silinda ea hydraulic e sebetsa ka mokhoa o tloaelehileng:

• Ha ho Moroalo Teko: Hokela betri 'me u qale enjene ea teraka. Kenya ts'ebetso ea boom control lever ho holisa le ho hula silindara makhetlo a 5-10 ka lebelo le tlase (10-15 mm / s). Ela hloko ho lutla ha li-caps le liphaephe tsa oli - haeba ho lutla ho etsahala, emisa tlhahlobo hang-hang 'me u hlahlobe ho kenya tiiso kapa torque ea bolt.
• Jaro Test: Sebelisa tekanyo ea khatello ho lekanya khatello ea tsamaiso ea hydraulic nakong ea ts'ebetso. Eketsa boom ho fihlela bolelele ba eona bo boholo 'me u sebelise mojaro (50% ea mojaro o lekantsoeng, mohlala, lithane tse 10 bakeng sa boom e lekantsoeng ea lithane tse 20) metsotso e 30. Hlahloba hore na cylinder e tšoara mojaro ka mokhoa o tsitsitseng (ha ho totobetse 沉降) le haeba khatello e ntse e le ka har'a moeli o lekantsoeng (mohlala, 25-30 MPa).
• Teko ea Ts'ebetso: Lekola lebelo le karabelo ea silindara ka ho lokisa ho phahamisa le ho holisa lebelo la boom. Etsa bonnete ba hore motsamao o boreleli (ha ho jitter kapa lerata) 'me lebelo le lumellana le litlhaloso tsa moetsi (mohlala, 30-40 mm / s bakeng sa ho atolosa).

6. Malebela a Tlhokomelo le Tlhokomelo ka Mor'a ho Lokisoa

Ho eketsa bophelo ba ts'ebeletso ea hydraulic cylinder e lokisitsoeng, latela malebela ana:

• Phetoho ea Kamehla ea Oli: Tlosa oli ea hydraulic lihora tse ling le tse ling tse 2000 tsa ts'ebetso (kapa hang ka selemo, ho sa tsotellehe hore na ke efe e tlang pele). Sebelisa oli e finyellang litlhoko tsa tsamaiso (mohlala, anti-wear hydraulic oli e nang le viscosity ea ISO VG46) 'me u sefa oli ka filtara ea 10 μm ho tlosa litšila.
• Hloekisa Sefe ea Moea: Sesefo sa moea sa hydraulic system se thibela lerole ho kena—e hloekise lihora tse ling le tse ling tse 500 tsa ho sebetsa ebe u e nkela sebaka ka lihora tse ling le tse ling tse 1000.
• Tlhahlobo ea Letsatsi le Letsatsi: Pele o sebelisoa, hlahloba moqomo bakeng sa ho lutla, lere la piston bakeng sa mengoapo, le boemo ba oli ka tankeng ea haeteroliki. Haeba lerata le sa tloaelehang kapa ho tsamaea butle ho bonoa, emisa ts'ebetso 'me u hlahlobe silinda hang-hang.

Qetello

Silinda ea hydraulic ke karolo ea mantlha ea libomo tsa literaka tsa pompo ea konkreite, 'me boleng ba eona ba tlhokomelo bo ama ka kotloloho ts'ebetso ea teraka le polokeho. Ka ho latela mehato e qaqileng ea ho lokisoa pele ho tlhokomelo, ho qhaqhoa ho tloaelehileng, tlhahlobo e tiileng ea likarolo, ho tsosolosa ka mokhoa o nepahetseng, le tlhahlobo e feletseng ea ho lokisa ka mor'a ho lokisa, litsebi li ka etsa bonnete ba hore cylinder ea hydraulic e sebetsa ka botšepehi. Tlhokomelo ea kamehla le ho nkeloa sebaka ka nako ea likarolo tse tsofetseng ha ho fokotse kotsi ea ho hloleha ka tšohanyetso feela empa hape ho lelefatsa bophelo ba ts'ebeletso ea sistimi eohle ea boom, ho netefatsa hore teraka ea pompo ea konkreite e sebetsa ka mokhoa o tsitsitseng mererong ea kaho.