Li-bearing kahong ke likarolo tsa sebopeho tse fetisang meroalo le ho amohela metsamao pakeng tsa likarolo tse fapaneng tsa sebopeho. Li netefatsa botšepehi ba sebopeho le bophelo bo bolelele. Li-bearing li laola matla a kang katoloso, ho honyela, ho potoloha le phetolelo, tse bakoang ke liphetoho tsa mocheso, ts'ebetso ea ho sisinyeha ha lefatše, le meroalo e phelang. Merero ea 'maraka oa li-bearing kahoKgolo ea CAGR ea 5.62% ho tloha ka 2025 ho isa ho 2035, e bonts'ang karolo ea bohlokoa ea likarolo tsena, hangata ho tsoa ho setsebi se ikhethilengfektheri ea ho bea, tšoara.
Lintlha tsa Bohlokoa
- Li-bearer kahong li thusa mehaho le marokho ho tsamaea ka mokhoa o sireletsehileng. Li sebetsana le liphetoho tse bakoang ke mocheso, moea le litšisinyeho tsa lefatše.
- Libere li tsamaisa meroalo ho tloha karolong e 'ngoe ea sebopeho ho ea ho e 'ngoe. Sena se emisa khatello e ngata haholo 'me se etsa hore mehaho e tšoarelle nako e telele.
- Mefuta e fapaneng ea li-bearingdi teng bakeng sa mesebetsi e fapaneng. Mehlala e kenyeletsa di-bearing tsa elastomeric, pitsa, le tse chitja.
Hobaneng ha Li-bearing li le Bohlokoa kahong
Li-bering li bapala karolo ea bohlokoa kahong ea sejoale-joale, li netefatsa polokeho, botsitso le nako e telele ea meaho. Li etsa mesebetsi e 'maloa ea bohlokoa e etsang hore e be likarolo tsa bohlokoa mererong e fapaneng ea boenjiniere.
Ho Amohela Tsamaiso ea Meaho
Meaho ha e eme; e lula e kopana le metsamao e fapaneng. Liphetoho tsa mocheso li etsa hore thepa e atolohe le ho honyela. Mosebetsi oa litšisinyeho tsa lefatše, moea, esita le boima ba batho le likoloi li baka matla a matla. Li-bearing li entsoe ka ho khetheha ho laola metsamao ena. Mohlala,Lipalo tsa motsamao bakeng sa libere tsa borokho li hlalosa ka ho hlaka katoloso le ho fokotseha ha mochesoBa boetse ba nahana ka lintlha tse ling tse kang ho thekesela ha konkreite, ho nyenyefala, le ho khutsufala ha elastic meahong e hatelletsoeng pele.
Mefuta e fapaneng ea li-bearings e sebetsana le metsamao ena ka litsela tse ikhethang.Li-bearings tsa Rocker li lumella ho potoloha le ho sisinyeha ho itseng ha phetolelo, e sebediswang ka ho kgetheha marokhong a maholo ho amohela katoloso le ho honyela ha mocheso. Ditshehetso tsa Roller di dumella motsamao ka lehlakoreng le le leng, hangata ka ho rapama, ha ka nako e ts'oanang di thibela motsamao o otlolohileng. Baenjiniere ba atisa ho di sebedisa marokhong le mabaleng a malelele ho laola katoloso le ho honyela ha mocheso.
Mefuta e meng ea libere e boetse e fana ka bokhoni bo khethehileng ba ho tsamaea.Li-bearings tsa Elastomeric li amohela ho falla ha tsona ka lebaka la ho fetoha ha tsona ka mokhoa o tenyetsehang. Li-Bearings tsa Pitsa li ka kopanngoa le libaka tse thellang ho lumella motsamao oa phetolelo. Li-Bearings tse chitja li na le lipoleiti tse kobehileng ho tšehetsa meroalo le motsamao o phahameng, e leng se etsang hore li be ntle bakeng sa li-geometri tse rarahaneng le litlhoko tse kholo tsa ho potoloha.
Li-bearing li etselitsoe mefuta e itseng ea motsamao. Mohlala,Li-bearings tsa Disktron tsa RJ Watson li na le bokhoni ba ho potoloha bo fetang li-radian tse 0.08. Li-bearing tse otlolohileng li lumella ho potoloha ka mahlakoreng a bolelele le a ho potoloha le ho falla ka lehlakoreng le le leng. Li-bearing tse tsitsitseng li lumella ho potoloha ka lehlakoreng lefe kapa lefe empa li thibela ho falla leha e le hofe. Li-bearing tse fapaneng li amohela ho potoloha le ho falla ka lehlakoreng lefe kapa lefe. Li-bearing tse tataisoang tse tenyetsehang li etselitsoe litlhoko tsa ho falla ha marokho a kobehileng a girder. Baenjiniere ba bile ba fetotse li-bearing tsa abutment ho Hoover Dam Bypass Bridge bakeng sa ho tiisa ho khutlisetsang nako e telele holim'a sebaka sa motsamao sa lisenthimithara tse 5.
Phetiso e sebetsang hantle ea Mojaro
Libereingli bohlokoa bakeng sa ho fetisetsa meroalo ka katleho ho tloha karolong e 'ngoe ea sebopeho ho ea ho e 'ngoe. Li-bearing tsa sebopeho ke lisebelisoa tse kentsoeng marokhong ho fetisetsa meroalo ho tloha mohahong o ka holimo ho ea mohahong o ka tlase. Li etselitsoe ho sebetsana le meroalo e fapaneng ea moralo, ho kenyeletsoa meroalo e shoeleng, meroalo e phelang, meroalo ea moea le meroalo ea litšisinyeho tsa lefatše. Sena se netefatsa khokahano e nepahetseng pakeng tsa likarolo tse fapaneng tsa borokho 'me se nolofatsa phetiso ea matla a likoloi le a kantle. Ntle le li-bearing, meroalo e kopaneng e ka ama ka ho toba likarolo tse tšehetsang, e leng se ka bakang khatello ea lehae le ho hloleha ha sebopeho. Feme e ikhethang ea li-bearing e etsa likarolo tsena ka nepo ho fihlela litlhoko tse thata tsa ho jara meroalo.
Ho Fokotsa Khatello ea Kelello le ho Lelefatsa Nako ea Bophelo
Ka ho amohela motsamao le ho nolofatsa phetiso e sebetsang hantle ea mojaro, li-bearings li fokotsa khatello haholo likarolong tsa sebopeho. Ha sebopeho se atoloha kapa se honyela, kapa ha se thulana le matla a ho sisinyeha ha lefatše, li-bearings li monya le ho aba metsamao ena. Sena se thibela khatello e feteletseng ho bokellana likhokahanong tse thata, e leng se ka lebisang ho petsoheng, mokhathala, kapa esita le ho hloleha ho hoholo. Ka ho fokotsa khatello ena, li-bearings li sireletsa botšepehi ba sebopeho sohle. Tsamaiso ena ea matla e sebetsang ka potlako e atolosa bophelo bohle ba mehaho, marokho le meralo e meng ea motheo, e fokotsa litšenyehelo tsa tlhokomelo le ho netefatsa polokeho ea nako e telele.
Mefuta ea Li-Bearings tse Sebelisitsoeng Kahong
Merero ea kaho e itšetlehile ka mefuta e fapaneng ea li-bearing, e 'ngoe le e 'ngoe e etselitsoe maemo a itseng a mojaro le litlhoko tsa motsamao. Ho utloisisa liphapang tsena ho thusa baenjiniere ho khetha tharollo e nepahetseng ka ho fetisisa bakeng sa botšepehi ba sebopeho le bophelo bo bolelele.
Libere tsa Elastomeric
Li-bearing tsa Elastomeric ke likarolo tse tenyetsehang tse amohelang motsamao ka ho fetoha ha sebopeho. Hangata li entsoe ka mealo ea rabara ea neoprene e nang le laminated. Li-shim tse tšesaane tsa tšepe li kopantsoe ka har'a mealo ena. Meralo e meng e boetse e kenyelletsa lipoleiti tsa tšepe holim'a libaka tsa tsona tse holimo le tse ka tlase. Mohlala, li-bearing li ka 'na tsa e-ba le mealo ea rabaraBotenya ba 8 mm kapa 12 mm, ka mealo ea tšepe e lekanyang 3 mm kapa 4 mm, ho latela boholo ba bereing ka kakaretso.
Baenjiniere ba atisa ho totobatsa li-bearings tsa elastomeric bakeng sa lits'ebetso tse fapaneng. Hangata batšehetsa meaho e meholo ea konkreitele ho fetisetsa meroalo ho dibopeho tse ka tlase. Di-bearing tsena di boetse di sebetsa hantle mefuteng le meahong e meng ya thepa. Di tumme haholo bakeng salitsamaiso tsa girder tsa konkreite tse hatelletsoeng pele tse khutšoanyane ho isa ho tse mahareng. Sena se bakoa ke ts'ebetso ea tsona e tšepahalang, katleho ea litšenyehelo, le bonolo ba ho e kenya. Lisebelisoa tsa tšepe tse batloang haholo, haholo-holo tse nang le bolelele bo bolelele, likarabelo tse kholo, le metsamao e rarahaneng, le tsona li rua molemo ho li-bearings tsa elastomeric. Hangata li fana ka melemo ea litšenyehelo le ts'ebetso ho feta li-bearings tsa pitsa kapa tsa disc maemong ana.
Libere tsa Pitsa
Li-bearing tsa pitsa ke lisebelisoa tse matla tse etselitsoeng ho sebetsana le meroalo e phahameng le ho potoloha ho hoholo. Likarolo tsa bohlokoa tsa bearing ea pitsa li kenyelletsa pitsa ea tšepe, pad ea elastomeric, poleiti ea tšepe e sa hloekang le lesale la ho tiisa. Molao-motheo oa ts'ebetso o kenyelletsapad ea elastomeric e kentsoeng ka har'a pitsa ea tšepe. Pad ena e sebetsa joaloka mokelikeli tlas'a khatello ea mekhahlelo e meraro, e lumellang ho potoloha ho hoholo. Ho falla ho otlolohileng ho etsahala ka motsamao o amanang pakeng tsa poleiti ea PTFE piston le poleiti ea tšepe e sa ruseng. Feme e ikhethang ea ho jara e etsa likarolo tsena ka ho nepahala ho hoholo ho netefatsa ts'ebetso e ntle ka ho fetisisa.
Li-bearing tsa pitsa li fana ka bokhoni bo tsotehang ba ho jara le bokhoni ba ho potoloha. Hangata li na le bokhoni ba ho jara bo lekanang le 100% ea bokhoni ba tsona ba moralo, ka monyetla oa ho jara boima ba 10%. Li-bearing tsena li etselitsoe ho jara boima bo phahameng, hangataho feta 50,000 kN. Li ka boela tsa amohela lipotoloho tse kholo, ho tloha ho li-radian tse 0 ho isa ho tse 0.03. Mohlala, li-bearing tse ling tsa lipitsa li ka sebetsana le bokhoni bo fihlang ho 60 MN ka ho falla ha bolelele ba ±300 mm.
Libere tse chitja
Li-bearing tse chitja li loketse meaho e hlokang boima bo phahameng ba mojaro le motsamao o moholo oa ho potoloha ka mahlakoreng a mangata. Li na le bokaholimo bo kobehileng bo thellang bo lumellang ho potoloha ho hoholo le ho falla ha angular. Litlhaloso tsa thepa bakeng sa bokaholimo bona li bohlokoa bakeng sa ts'ebetso.
Hangata bokaholimo bo kobehileng bo na le lesela la PTFE le lohiloeng. Hangata lesela lena le na le botenya bo pakeng tsaLi-inchi tse 0.020 (0.5 mm) le lisenthimithara tse 0.125 (3.2 mm)kamora ho hatelloa. Bokaholimo bo kobehileng e ka ba tšepe e sa hloekang e tiileng. Ntle le moo, e ka ba tšepe ea khabone e nang le weld ea tšepe e sa hloekang e ka bang bonyane 3/32 inch (2.4 mm) botenya. Khetho e 'ngoe ke plating e thata ea chromium, e sebelisoang ho latela Federal Specification QQ-C-320B Class 2, e nang le boima ba Rockwell C ba bonyane 60. Bokaholimo bona bo bentšitsoe ho fihlela qetellong ea 20 microinch (0.5 micrometer).libere tse chitja tse se nang tlhokomelo, ho kentswe dikarolo tse ikgethang tse thellang tsa thepa ya sejwalejwale, e sa kgohlaneng haholo, e leng se etsang hore di lokele meroalo e boima e nang le tataiso e tsitsitseng.
Libere tse Thellang (PTFE)
Li-bearing tse thellang, hangata li sebelisa Polytetrafluoroethylene (PTFE), li nolofalletsa motsamao oa phetolelo ka khohlano e fokolang. Baenjiniere ba rala li-bearing tsena ho lumella likarolo tsa sebopeho ho thella holim'a tse ling.
Lintho tsa bohlokoa tseo u lokelang ho nahana ka tsona ka moralo oa li-bearing tsa PTFE. PTFE hangata kee sebelisoa pakeng tsa lipoleiti tse peli tsa tšepe e sa ruseng e bataletseng. Sebaka sa bokaholimo ba PTFE hangata se nyane ho feta lipoleiti tsa tšepe ho thibela ho thekesela, e leng ho fetoha ha lintho tlas'a meroalo e boima e tsoelang pele. Bakeng sa lipotoloho tse kholo, tse fetang likhato tse 5, PTFE e sebelisoa holim'a libaka tsa tšepe tse kobehileng tse sa ruseng. Ho fokotsa ho thekesela, baenjiniere ba sebelisa PTFE e nang le dimple kapa ba e behella ka morao poleiting e ka morao. Sena se thusa ho boloka thepa. Ho sireletsa bokaholimo bo thellang ho tsoa lithōleng tsa kaho tse kang ho fafatsa ka weld, pente le li-filling tsa tšepe nakong ea ho kenngoa le hona hoa hlokahala. Li-bearing tse tloaelehileng tse bataletseng tsa li-slide li sebetsana haholo-holo le motsamao o otlolohileng 'me li amohela lipotoloho tse nyane feela, hangata ka tlase ho likhato tse 5. Bakeng sa lipotoloho tse kholo, li-bearing tse khethehileng tse kobehileng kapa tse chitja lia hlokahala. Kopano e felletseng ea li-bearing tsa li-slide e hlokaPoleiti ea tšepe e sa hloekang e bentšitsoeng e le bokaholimo ba ho kopana. PTFE kapa graphite pad e thella hodima bokaholimo bona, e fihlella coefficient e tlase ya kgohlano. Botenya ba PTFE bo fapana ho ya ka ditlhoko tsa mocheso; lera la 3mm le tlwaelehile bakeng sa dithempereichara tse tlwaelehileng ho fihlela ho 130°C, ha lera la 5mm le kentsweng ka hara poleiti e kwahetsweng le sebediswa bakeng sa dithempereichara tse phahameng ho fihlela ho 200°C.
Palo ea khohlano ea PTFE ho li-bearing tse thellang e ka fapana. Ka mohlala, ho kenella ha chloride ho ka etsa hore palo ea khohlano ea lera la PTFE e eketsehe ho tloha ho0.05 ho isa ho 0.12Lithuto tse ling li bontša horetekanyo ea khohlano ea li-polymers ho hohlana khahlanong le litšepe ea fokotsehaka keketseho ea mojaro. Lipatlisiso tse ling li bontša hore coefficient ea khohlano ea eketseha ka keketseho ea mojaro. Sena se totobatsa boitšoaro bo rarahaneng ba PTFE tlas'a maemo a fapaneng.
Li-bearings tsa Roller le Rocker
Li-bearing tsa roller le rocker ke mefuta e 'meli e fapaneng e amohelang motsamao ka litsela tse fapaneng. Li-bearing tsa roller li thusa haholo-holometsamao e otlolohileng ho latela axis e le 'ngoe. Li sebetsa hantle haholo bakeng sa metsamao e meholo ea phetolelo empa ha li amohele metsamao ea potoloho hantle. Li-bearing tsa rocker, ka lehlakoreng le leng, li amohela metsamao ea potoloho le ea phetolelo.
Ho tloha khale, li-bearing tsa roller le rocker li fumane lits'ebetso makaleng a fapaneng. Le hoja kaho ea sejoale-joale e atisa ho rata mefuta e meng ea li-bearing, meralo ena ea setso e ntse e na le ts'ebeliso e khethehileng. Mohlala, mahlale a roller rocker a atile hahololikoloi tsa bapalami, likoloi tsa khoebo, le likoloi tsa mabelo. Li ntlafatsa bokgoni ba enjene, tlhahiso ya motlakase le botshepehi. Li boetse li fokotsa ho tsofala ha enjene le ho eketsa dikgeo tsa tlhokomelo. Di-bearing tsena di boetse di sebediswa hoLienjine tsa V6 le Inline-6, hammoho le likoloi tse ikhethang le meaho e ikhethileng, moo litlhoko tse itseng tsa ts'ebetso li hlokang litharollo tse etselitsoeng uena.
Moo ho Sebelisoang Li-Bearings: Temoho e tsoang Fekthering ea Li-Bearings
Libere ke likarolo tsa bohlokoa makaleng a fapaneng a kaho.fektheri ea ho bea e hlahisa likarolo tsena tsa bohlokoabakeng sa lits'ebetso tse fapaneng, ho netefatsa botšepehi ba sebopeho le bophelo bo bolelele.
Marokho le Litsela tse Fetelang hodimo
Marokho, haholo-holo mehaho e telele, a itšetlehile haholo ka litsamaiso tse tsoetseng pele tsa ho jara. Baenjiniere ba totobatsali-bearing tsa leselabakeng sa di-spans tse thata, tse boima jwalo ka marokho a lebokose a nang le kgatello. Di-bearing tsena di fana ka bokgoni bo phahameng ba ho jara mme di sebedisa bokahodimo ba PTFE bo thellang bakeng sa motsamao. Di-bearing tse nang le Moro o Phahameng wa ho Potoloha ha Di-Multi-Rotational (HLMR), haholo-holo di-disk bearing, di sebetsana le meroalo e feteletseng le ho potoloha ho hoholo, ho tlwaelehileng marokhong a di-bearing a poleiti ya tshepe a tenyetsehang.Li-bering tse thellanghape li loketse marokho a bolelele bo bolelele; li thusa ho fetola lintho ka tsela e otlolohileng haholo.Li-bearing tsa borokhoHo hlola diphephetso meralong e kobehileng ka ho dumella meaho e meholo ho ikamahanya le matla a tataiso le a ho kgutla ha moya. Di laola diphetoho tse otlolohileng mme di boloka ho tiya ho otlolohileng di-deck tse nang le di-span tse ngata. Di-bearing di boetse di thibela dikarabelo tse fetohang tse tswang ho mojaro wa dikoloi le wa tshisinyeho ya lefatshe, mme di sebetsana le tsona.katoloso ea mocheso, 'me li mamella khatello ea ho hatelloa nakong ea liketsahalo tsa ho sisinyeha ha lefatše. Li fokotsa mabaka a tikoloho joalo ka mongobo le lintho tse senyang.
Meaho le Meaho e Meholo e Meholo
Mehaho e melelele e sebelisa li-bearing ho laola meroalo e feto-fetohang le ho ntlafatsa ho tiea ha litšisinyeho tsa lefatše.Li-bering tsa ElastomericLi bohlokoa; li laola ho sisinyeha ha moea 'me li fana ka ho tenyetseha ntle le ho fokotsa matla. Li ntlafatsa botsitso ba motheo ka ho amohela liphetoho tsa mobu le ho fokotsa ho thothomela ha baahi nakong ea litšisinyeho tsa lefatše kapa meea e matla. Li-skyscraper tse kang Burj Khalifa li bontša katleho ea tsona.Li-bearing tsa ho itšehla thajana tsa litšisinyeho tsa lefatše, e behiloeng pakeng tsa sebopeho sa moaho le motheo, e dumella moaho ho itsamaela ka boikemelo nakong ya tshisinyeho ya lefatshe. Sena se fokotsa phetiso ya matla a tshisinyeho ya lefatshe, se sireletsa sebopeho le dikahare tsa sona. Di-bearing tsena di fana ka ho tenyetseha ho rapameng bakeng sa ho sisinyeha ha ka nako e ts'oanang di boloka ho tiya ho otlolohileng. Feme ya di-bearing e rala ditsamaiso tsena bakeng sa tshebetso e ntle ka ho fetisisa.
Merero e meng ea meralo ea motheo
Merero ea meralo ea motheo e ikhethileng, joalo ka mabala a lipapali le lifeme tsa motlakase, le tsona li sebelisa litharollo tse tsoetseng pele tsa ho bea. Hangata libaka tsena li sebelisa li-bearings tsa ho itšehla thajana tsa ho sisinyeha ha lefatše. Li-bearings tsa Elastomeric, tse entsoeng ka lipoleiti tsa rabara le tšepe, li fana ka ho tenyetseha le ho qhala matla. Li-bearings tse thellang, tse atisang ho kenyelletsa litsamaiso tsa pendulum tsa khohlano, li lumella motsamao o laoloang meahong e meholo, e imetsoeng haholo. Li-bearings tse kopantsoeng li kopanya likarolo tsa mefuta ea elastomeric le ea ho thella, li fana ka ho itšehla thajana ha li-axis tse ngata bakeng sa meaho e rarahaneng moo litharollo tsa setso li sa lekaneng.
Li-bearing ke likarolo tsa bohlokoa bakeng sa kaho ea sejoale-joale. Li netefatsa polokeho, botšepehi le nako e telele ea meaho. Lintho tsena tsa bohlokoa li laola meroalo ka katleho le ho amohela metsamao. Li-bearing li thusa meaho ho mamella likhatello tsa tikoloho le ts'ebetso, e leng se etsang hore e be tsa bohlokoa bakeng sa meralo ea motheo ea sejoale-joale. Feme e ikhethang ea li-bearing hangata e hlahisa likarolo tsena tsa bohlokoa.
LBH
Mosebetsi o ka sehloohong oa li-bearing tsa kaho ke ofe?
Libere li fetisetsa meroalo le ho amohela metsamao lipakeng tsa likarolo tsa sebopeho. Li netefatsa botšepehi ba sebopeho le bophelo bo bolelele ka ho laola matla a kang katoloso, ho honyela le ho potoloha.
Li-bearing li kenya letsoho joang polokehong ea litšisinyeho tsa lefatše mehahong?
Li-bearing tse arohaneng tsa ho sisinyeha ha lefatše li lumella mehaho ho itsamaela ka boikemelo nakong ea litšisinyeho tsa lefatše. Sena se fokotsa phetiso ea matla a ho sisinyeha ha lefatše, se sireletsa sebopeho le lintho tse ka hare ho sona hore li se ke tsa senyeha.
Ke mefuta efe ea li-bearing e sebelisoang hangata marokhong?
Hangata marokho a sebelisa li-bearings tse kang elastomeric, pitsa, selika-likoe le tse thellang. Mefuta ena e laola meroalo e boima, katoloso ea mocheso le metsamao e fapaneng ka katleho.
Nako ea poso: Pherekhong-21-2026