Tunnel tho txawv tshuab Propulsion Lub tog raj kheej Sealing nplhaib

Tunnel Boring Tshuab (TBM) yog ib hom khoom siv tshuab loj siv rau kev tsim kho qhov av hauv av, uas tuaj yeem ua tau zoo thiab nyab xeeb excavate tunnels hauv av. Ntawm ntau cov khoom ntawm TBM, lub tog raj kheej propulsion yog ib qho ntawm cov khoom tseem ceeb, thiab lub nplhaib sealing yog ib qho tseem ceeb ntawm cov khoom siv los xyuas kom meej lub cev ua haujlwm ntawm lub tog raj kheej propulsion. Qhov tsab xov xwm no yuav qhia txog lub luag haujlwm ntawm lub qhov boring tshuab propulsion cylinder sealing nplhaib, tsim cov kev xav tau, xaiv cov khoom siv thiab kev saib xyuas thiab lwm yam ntawm cov ntsiab lus.

Lub luag haujlwm ntawm propulsion cylinder sealing nplhaib

Lub propulsion cylinder yog lub tog raj kheej hydraulic siv los muab thrust nyob rau hauv qhov boring tshuab, uas thawb lub tshuab tho txawv rau pem hauv ntej los ntawm lub siab ntawm hydraulic roj. Lub luag haujlwm tseem ceeb ntawm lub nplhaib sealing yog los tiv thaiv cov roj hydraulic thiab cov impurities sab nraud rau hauv hydraulic system, kom ntseeg tau tias kev ua haujlwm zoo ntawm lub tog raj kheej kheej kheej thiab kev ua haujlwm zoo ntawm lub tshuab tho txawv.

Tiv thaiv kom tsis txhob muaj roj hydraulic: lub nplhaib sealing ua ib qho chaw sib khi los ntawm kev sib raug zoo nrog lub tog raj kheej phab ntsa, tiv thaiv cov roj hydraulic los ntawm qhov chaw siab mus rau qhov chaw tsis muaj zog, tsis txhob muaj lub zog poob thiab ib puag ncig muaj kuab paug.

Tiv thaiv kom tsis txhob nkag mus rau sab nraud impurities:Nyob rau hauv ib puag ncig kev tsim kho hauv av, plua plav, khib nyiab thiab lwm yam impurities yooj yim nkag mus rau hauv cov khoom siv sab hauv, lub nplhaib sealing tuaj yeem tiv thaiv cov impurities los ntawm kev nkag mus rau hauv hydraulic system, zam kev hnav thiab kev puas tsuaj rau cov khoom siv.

Kev tswj siab:Lub nplhaib sealing tuaj yeem tswj tau lub siab nyob rau hauv lub tog raj kheej propulsion los xyuas kom meej tias txoj kev header muaj lub zog txaus rau kev khawb.

Cov qauv tsim

Tus tsim ntawm lub nplhaib sealing ntawm lub tog raj kheej propulsion yuav tsum tau ua raws li cov hauv qab no:

Sealing kev ua haujlwm:Lub nplhaib sealing yuav tsum muaj kev sib khi zoo thiab tuaj yeem ua haujlwm nyob rau hauv lub siab ntev ntev yam tsis muaj qhov xau.

Hnav tsis kam:Vim qhov hnyav underground ib puag ncig, lub nplhaib sealing yuav tsum muaj kev hnav siab heev los tiv thaiv kev sib txhuam ntev thiab hnav.

Adaptability:Lub nplhaib foob yuav tsum tuaj yeem hloov mus rau qhov chaw ua haujlwm sib txawv, suav nrog qhov kub, siab thiab tshuaj lom neeg corrosion.

Kev ntseeg tau:sealing rings yuav tsum tau tsim kom muaj kev ntseeg siab thoob plaws hauv lub neej ntawm txoj kev header.

Kev xaiv khoom

Xaiv cov khoom tsim nyog yog tus yuam sij rau kev ua haujlwm ntawm lub nplhaib sealing. Feem ntau siv sealing nplhaib cov ntaub ntawv muaj xws li:

Roj hmab:Cov roj hmab ntuj thiab hluavtaws roj hmab feem ntau yog siv cov ntaub ntawv sib khi, nrog kev ua haujlwm zoo elasticity thiab sealing kev ua tau zoo, tab sis tsis muaj kev puas tsuaj thiab kub tsis kam.

Polytetrafluoroethylene (PTFE):PTFE muaj kev ruaj ntseg zoo heev thiab tsis-nplaum, zoo kub thiab hnav tsis kam, feem ntau siv nyob rau hauv high-pressure thiab high-temperature ib puag ncig.

Hlau:Hlau sealing rings muaj lub zog siab thiab hnav tsis kam thiab tsim nyog rau kev kub siab thiab hnav ib puag ncig, tab sis yuav tsum tau lubrication zoo kom txo qis hnav.

Composites:Composites muab cov txiaj ntsig zoo ntawm ntau yam khoom siv, xws li kev sib xyaw ua ke ntawm roj hmab thiab hlau, muab kev ua haujlwm zoo dua.

Hom sealing nplhaib

Lub nplhaib foob tuaj yeem muab faib ua hom hauv qab no raws li lawv qhov chaw mounting thiab ua haujlwm:

Piston Rod Foob:Nruab rau ntawm tus pas nrig piston kom tiv thaiv cov kua dej los ntawm cov pas nrig.

Main foob:Muab tso rau hauv lub tog raj kheej lub tog raj kheej, siv los tiv thaiv cov dej hydraulic los ntawm kev tawm hauv lub tog raj kheej mus rau sab nraud.

Static foob:Siv rau kev sib khi ntawm qhov chaw ruaj khov, xws li kev sib txuas flange.

Dynamic foob:siv rau kev sib khi ntawm cov khoom txav, xws li nruab nrab ntawm lub piston pas nrig thiab lub tog raj kheej chim.

Kev tu

Txhawm rau kom ntseeg tau tias lub nplhaib sealing ua haujlwm tau zoo rau lub sijhawm ntev, yuav tsum muaj kev saib xyuas kom zoo:

Kev tshuaj xyuas tsis tu ncua:Txheeb xyuas qhov hnav ntawm cov nplhaib sib khi, kuaj xyuas thiab hloov cov nplhaib puas hauv lub sijhawm.

Ntxuav:Tsis tu ncua ntxuav lub sealing nplhaib thiab lwm yam khoom kom tshem tawm plua plav thiab impurities thiab tiv thaiv hnav thiab corrosion.

Lubrication:Rau cov hlau sealing nplhaib, lubrication tsis tu ncua yuav tsum tau txo kev sib txhuam thiab hnav.

Kev tswj siab:Tsis txhob ua haujlwm ntev dhau los txhawm rau txo lub nplhaib hnav.

Failure Analysis thiab tuav

Ua tsis tiav ntawm sealing rings feem ntau manifests nws tus kheej li to thiab hnav. Thaum pom cov teeb meem no, lawv yuav tsum tau kho tam sim ntawd:

Cov dej xau:Xyuas seb lub nplhaib sealing puas puas los yog tsis raug, thiab hloov lub nplhaib sealing nrog ib qho tshiab yog tias tsim nyog.

Hnav:Tshawb xyuas qhov ua rau hnav, xws li lubrication tsis txaus, siab dhau, thiab lwm yam, thiab siv cov kev ntsuas tsim nyog.

Tshuaj corrosion:xyuas cov tshuaj muaj pes tsawg leeg nyob rau hauv qhov chaw ua hauj lwm thiab xaiv cov ntaub ntawv sealing tsim nyog.

Cov ntsiab lus

Lub qhov boring tshuab propulsion lub tog raj kheej sealing nplhaib yog ib qho tseem ceeb ntawm kev ua haujlwm kom zoo thiab kev nyab xeeb ntawm lub tshuab tho txawv. Los ntawm kev tsim qauv tsim nyog, xaiv cov khoom tsim nyog, kev txhim kho kom raug thiab kev saib xyuas, kev pabcuam lub neej ntawm lub nplhaib sealing tuaj yeem ua kom tiav thiab kev ua haujlwm ntawm lub tshuab tho txawv tuaj yeem txhim kho. Nrog rau kev sib sib zog nqus ntawm tunneling tej yaam num, kev tshawb fawb thiab daim ntawv thov ntawm sealing rings yuav txuas ntxiv mus kom hloov mus rau ntau complex underground ib puag ncig.

Vim muaj kev txwv qhov chaw, daim ntawv no tsuas yog muab cov lus qhia luv luv ntawm cov nplhaib sib khi rau qhov tho txawv tshuab propulsion thooj voos kheej kheej. Hauv daim ntawv thov tiag tiag, xav tau kev tshawb fawb ntau ntxiv thiab tsim qauv raws li qhov tshwj xeeb engineering xav tau thiab ib puag ncig ua haujlwm. Nws cia siab tias daim ntawv no tuaj yeem muab qee cov ntaub ntawv tseem ceeb thiab kev tshoov siab rau cov kws tshaj lij thiab cov kws tshaj lij hauv cov haujlwm ntsig txog.

Lub nplhaib sib khi ntawm lub tog raj kheej ntawm Tunnel Boring Tshuab (TBM) yog ib qho ntawm cov khoom tseem ceeb los xyuas kom meej kev ua haujlwm zoo ntawm lub tshuab tho txawv, uas yog lub luag haujlwm rau kev tiv thaiv impurities xws li av nkos, dej los yog hmoov av los ntawm kev nkag mus rau hauv hydraulic system, zoo li tiv thaiv cov roj hydraulic los ntawm kev xau.

Hauv qab no yog qee cov lus nug thiab lus teb uas nquag nug (FAQ) txog lub qhov taub tho txawv tshuab propulsion lub tog raj kheej sealing nplhaib:

1. Dab tsi yog lub luag haujlwm ntawm lub tog raj kheej sealing nplhaib?

Lub luag haujlwm tseem ceeb ntawm lub kiv cua lub tog raj kheej sealing nplhaib yog muab lub foob rau lub tog raj kheej hydraulic ntawm lub qhov boring tshuab, tiv thaiv cov dej hydraulic los ntawm kev xau thiab tiv thaiv cov xov xwm sab nraud xws li av, dej lossis plua plav nkag mus rau sab hauv ntawm hydraulic system.

2. Cov ntaub ntawv dab tsi yog sealing nplhaib feem ntau yog ua los ntawm?

Kev xaiv ntawm cov khoom siv rau sealing rings feem ntau yog nyob ntawm lawv qhov chaw ua haujlwm, nrog rau kev puas tsuaj, tshuaj tiv thaiv thiab kub tsis kam. Cov ntaub ntawv muaj xws li roj hmab, polyurethane, thiab polytetrafluoroethylene (PTFE).

3. Kuv yuav hloov lub nplhaib sealing puas lawm?

Hloov lub nplhaib foob feem ntau yuav tsum muaj tus kws tshaj lij tshwj xeeb. Cov txheej txheem hloov pauv muaj xws li tshem tawm lub nplhaib sealing puas, ntxuav lub sealing zawj, txhim kho lub nplhaib sealing tshiab, thiab xyuas kom meej tias lub nplhaib sealing tshiab raug ntsia tau zoo thiab tsis muaj kev puas tsuaj.

4. Lub sijhawm ua haujlwm ntawm lub nplhaib sealing yog dab tsi?

Lub neej kev pab cuam ntawm lub nplhaib sealing yog cuam tshuam los ntawm ntau yam, nrog rau cov khoom uas nws yog tsim los ntawm, ib puag ncig uas nws siv, thiab qhov zaus ntawm kev saib xyuas. Kev tshuaj xyuas tsis tu ncua thiab hloov raws sij hawm yog cov kev ntsuas tseem ceeb los xyuas kom meej qhov kev ua haujlwm ntawm tus neeg tsav tsheb.

5. Yuav ua li cas tswj thiab tshuaj xyuas lub nplhaib sealing?

Tsis tu ncua xyuas qhov hnav thiab tsim kua muag ntawm lub nplhaib sealing thiab saib xyuas cov cim qhia txog kev xau. Thaum lub sij hawm tu, lub nplhaib foob thiab lawv qhov chaw sib cuag yuav tsum tau muab ntxuav thiab tshuaj xyuas kom pom cov cim ntawm kev puas tsuaj lossis kev puas tsuaj. Kev tuav lub lubrication zoo kuj tseem yuav pab kom ntev lub neej ntawm lub nplhaib foob.

6. Yuav ua li cas yog tias muaj teeb meem nrog lub nplhaib foob?

Yog hais tias lub nplhaib sealing puas los yog hnav, nws yuav ua rau kom cov kua dej hydraulic, ua rau cov nqi tu thiab kev pheej hmoo ntawm ib puag ncig. Nyob rau tib lub sijhawm, kev nkag mus ntawm cov xov xwm sab nraud tuaj yeem ua rau lwm yam khoom tsis zoo hauv hydraulic system, ua rau txoj kev tsis ua haujlwm lossis kev poob qis.

7. Cov kev pab cuam dab tsi uas cov neeg muab khoom ntim cov nplhaib feem ntau muab?

Cov kws tshaj lij ntawm cov nplhaib sealing tsis yog tsuas yog muab cov khoom lag luam zoo sealing, tab sis kuj tseem tuaj yeem muab cov qauv tsim, kev tawm tswv yim, kev taw qhia kev teeb tsa thiab kev pab cuam tom qab muag.

Thov nco ntsoov tias cov ntaub ntawv saum toj no yog raws li kev nkag siab dav dav ntawm sealing rings rau qhov tho txawv tshuab propulsion cylinders. Cov lus qhia tshwj xeeb, cov txheej txheem kev saib xyuas thiab kev pab cuam lub neej yuav txawv nyob ntawm seb hom qhov tho txawv tshuab thiab qhov chaw ua haujlwm. Yog tias xav tau cov ntaub ntawv ntxaws ntxiv, nws raug nquahu kom sab laj nrog tus neeg muag khoom tshwj xeeb sealing nplhaib lossis xa mus rau cov chaw tsim khoom cov ntaub ntawv.

Tswv yim: Thov muab cov duab kos rau cov khoom lag luam customized, peb tuaj yeem ua tiav cov qauv hauv 4-8 hnub ua haujlwm.

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