Vim li cas OPGW optical cable yuav tsum tau nruab OPGW ncua kev kawm Clamp (a fiber optic ncua kev kawm ntawv clamp / ncua kev kawm ntawv clamp rau fiber ntau optic cable)?
ThaumOPGWinstallation, raws li covOPGW kabyog strung nyob rau hauv ib tug ntev kev ncua deb, lub tsub zuj zuj ntawm hnyav ua ntau heev. Qhov no ua rau lub ntiajteb txawj nqus load-cov kabmob muaj peev xwm ntawmOPGW ncua kev kawm ntawv Clamptseem ceeb heev. Qhov loj dua qhov ntev, qhov ntau dua qhov nro tsim los ntawm catenary. CovOPGW ncua kev kawm ntawv Clamphloov cov ntsug load mus rau pej thuam, tiv thaiv covOPGW kablos ntawm bearing overbending stress. Yog tias tsis muaj qhov cuam tshuam nruab nrab ntawm qhov nruab nrab, lub vojvoog khoov loj heev yuav tsim ntawm qhov chaw hla. Tsis muaj ibncua kev kawm ntawv clamp, covOPGW kabyuav sag nyob rau hauv nws tus kheej hnyav kom txog thaum nws tawg.
Lub luag haujlwm ntawmOPGW ncua kev kawm ntawv Clampntawm optical cable
Ua ntej nkag siab txog lub luag haujlwm, peb yuav tsum paub tias cov kab sib kis yog qhov kev sib txuas tsis tu ncua:
Ntauwd ← Tuag-kawg clamp ←OPGW ← ncua kev kawm ntawv clamp ← OPGW← Tuag-kawg clamp → Ntauwd
CovOPGW ncua kev kawm ntawv Clamptsis kho qhov nro kev taw qhia. Nws tso cai rau lub cable kom nthuav dav thiab cog lus nrog kev hloov pauv kub, thiab nws dais cov kab ntsug ntawm cov khoom thauj hauv ntu ntu thaum tswj kev txuas ntxiv ntawm kab rov tav. Yog tsis muajncua kev kawm ntawv clamp, cov kab hluav taws xob tsuas tuaj yeem ncua ntawm cov neeg tuag- kawg pej thuam; lub cable tsis tuaj yeem nthuav dav / cog lus thiab yuav ua rau muaj kev ntxhov siab. Cov pej thuam nruab nrab poob lawv txoj haujlwm txhawb nqa, ua rau muaj kev poob qis hauv kab kev lag luam.
Hais txog kev tiv thaiv mechanical, nws muab kev tiv thaiv hnav. Tsis muaj ibncua kev kawm ntawv clamp, covOPGW kabyuav ncaj qha tiv tauj cov hlau ntawm cov pej thuam, thiab cua-vim kev co yuav ua rau muaj kev sib txhuam dua.
Hauv kev tswj kev vibration, nws tsuas yog hloov cov ciam teb tej yam kev mob thiab kev co zaus tus yam ntxwv ntawm lub cable, txwv tsis pub tshaj tawm ntawm kev co raws lub longitudinal kev taw qhia ntawm lub cable.
Optical kev ua tau zoo tiv thaiv los ntawmOPGW ncua kev kawm ntawv Clamp
Txoj hauj lwm ntawm lubOPGW ncua kev kawm ntawv Clampyog qhov chaw zoo tshaj plaws los tsim khoov poob. Ntev - lub sij hawm cuam tshuam yuav maj mam ua tsis ruaj khov, yog li nws yuav tsum tau siv cov pas nrig ua ntej ua ke nrog cov clamp (apreformed ncua kev kawm ntawv clampsystem). Cov pas nrig preformed yuav tsum tau npog tag nrho cov npoo clamp kom tsim ib qho chaw hloov pauv hloov tau. Lub wrapping nro yuav tsum tsis sib xws -tsis nruj heev los yog xoob heev- thiab kev sim yuav tsum tau ua tom qab kev teeb tsa (tshwj xeeb tshaj yog rauOPGW fiber ntau, OPGW fiber ntau optic, thiabOPGW fiber ntau optickev txheeb xyuas kev ua haujlwm).
Micro-bending kev ntxhov siab tso tawm
Nyob rau hauv cov cua sib xws-vim kev co, yog tias lub cable yog ruaj khov ntawm tus pej thuam, kev co yuav mloog zoo rau ntawm qhov chaw ruaj khov. CovOPGW ncua kev kawm ntawv Clamptso cai rau kev hloov pauv tsawg, uas tuaj yeem cuam tshuam kev vibration zog. Nyob rau hauv cov nqe lus ntawm kub, zawv zawg muaj nuj nqi ntawm lubOPGW ncua kev kawm ntawv Clampkuj tso cai rau thermal expansion thiab contraction.
Hluav taws xob muaj nuj nqi ntawmOPGW ncua kev kawm ntawv Clamp
OPGWmuaj ob qho tib si kev sib txuas lus thiab hauv av xaim ua haujlwm (raws li ib qhoOPGW lub ntiaj teb hlau,ie iboptical av xaim OPGW / OPGW optical av xaim). Lub luag haujlwm hluav taws xob ntawm lubOPGW ncua kev kawm ntawv Clampyog muab kev sib cuag hluav taws xob txhim khu kev qha thiab xyuas kom muaj xob laim - txoj kev tam sim no. Nws yog ib qho tseem ceeb ntawm qhov hloov hluav taws xob tam sim no mus rau tus pej thuam. Los ntawm U-shaped shackle, lubOPGWyog hluav taws xob txuas nrog tus pej thuam, tsim kom muaj qhov ua tiav hauv av. Txhua qhov ncua sij hawm ncua yog qhov tam sim no shunt point, txo cov xob laim tam sim no amplitude ntawm ib qho taw tes.
Yog tias qhov kev sib txuas hluav taws xob tsis zoo, nws tuaj yeem ua rau muaj kev tiv thaiv tsis ua haujlwm thaum muaj hluav taws xob; tiv thaiv generates tshav kub, hlawv lubOPGW kab; thiab induced electromagnetic tam sim no tsis tuaj yeem ua tau zoo rau hauv av.
Qhov tseem ceeb ntawmOPGW ncua kev kawm ntawv Clampntawm optical cable accessories
Lub luag hauj lwm hub ntawm lubncua kev kawm ntawv clampRau kev vibration damper:
Kev vibration damper
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Preformed rods ← Ncua tseg clamp → Preformed rods
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U-puab shackle
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Insulator hlua
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Ntauwd
Nws yog lub cev kev sib txuas taw tes thiab cov neeg kho tshuab convergence point ntawm ntau yam khoom siv. CovOPGW ncua kev kawm ntawv Clamptuaj yeem ua qhov taw qhia siv: tag nrho cov khoom siv kev teeb tsa tau raug xa mus rauOPGW ncua kev kawm ntawv Clamp; nws tuaj yeem txiav txim siab qhov sag thiab av clearance ntawm lubOPGW kab; thiab nws txiav txim siab qhov nro faib ntawm ntu ntu. Yog tiasOPGW ncua kev kawm ntawv Clampyog ntsia tom qab, lub cable yuav tsum tau tsiv mus nyob; cov uas twb muaj lawm -ntsia preformed rods yuav twist thiab ua misaligned, thiab txoj hauj lwm ntawm lub vibration damper tsis tuaj yeem raug nyob.
Yuav ua li cas rau nruabOPGW ncua kev kawm ntawv Clamp
① Tom qabOPGWtensioning tiav, lubOPGW ncua kev kawm ntawv Clampyuav tsum tau muab ntsia rau hauv lub sij hawm. Nyob rau hauv cov xwm txheej tshwj xeeb, yog tias nws tsis tuaj yeem ntsia tau rau hauv lub sijhawm, lub sheave thiabOPGWyuav tsum tau kho nyob rau hauv lub stringing thaiv nrog ib tug nylon hlua los tiv thaivOPGWhnav, raws li qhia hauv daim duab.
Daim duab: Daim duab khoOPGWnyob rau hauv lub stringing block
② Ntawm ob sab ntawm qhov loj thiab me me, siv cov cable tensioning preformed rods thiab saw hoists kom nruj thiab nqa lubOPGWntawm ob sab, thiab tshem tawm cov hlua khi, raws li qhia hauv daim duab.
Daim duab: Daim duab lifting optical cable
③ Teem lub cim ntawm sab hauv - txheej armor rods nrog lub cim taw tes, raws li qhia hauv daim duab.
Daim duab: Kho lub puab - txheej armor rod cim nrog lub cim taw tes
Ua raws li cov kev taw qhia nteg ntawm armor rods, qhwv los ntawm qhov chaw cim taw tes rau ob qho kawg. Cov hlua khi yuav tsum tau qhwv ib qho los ntawm ib qho, raws li qhia hauv daim duab.
Daim duab: Qhwv cov armor rods ib tug los ntawm ib tug
Tawm ntawm 25-30 cm ntawm ob qhov kawg ib ntus tsis qhwv kom cov hlua khi tuaj yeem raug tshem tawm yog tias xav tau rov txhim kho. Tag nrho cov pas nrig yuav tsum sib npaug spaced.
④ Tom qab tag nrho cov sab hauv - txheej armor rods raug ntsia, twist tag nrho cov pas nrig mus rau tus Tsov tus tw kawg nrog ob txhais tes tib lub sij hawm los zaum lawv. Tag nrho cov pas nrig kawg yuav tsum tau ua kom zoo, thiab qhov sib txawv yuav tsum tsis pub tshaj 50 mm.
⑤ Nruab lub tes tsho roj hmab (pads). Qhwv lubOPGWnrog ob lub tsho roj hmab los ntawm sab saud thiab qis. Teem lub cim nruab nrab ntawm lub tes tsho roj hmab nrog lub cim nruab nrab ntawm cov ntsia sab hauv - txheej armor rods, thiab kho lawv ib ntus, raws li qhia hauv daim duab.
Daim duab: Kho lub tes tsho roj hmab hauv nruab nrab nrog rau sab hauv - txheej armor rod center mark
⑥ Txhim kho sab nrauv - txheej armor rods. Muab thawj sab nraud - txheej armor rod rau ntawm lub tes tsho roj hmab, nrog cov xim cim rau sab nraud. Ua raws li cov kev taw qhia nteg, qhwv nws ncig lub tes tsho roj hmab thiab lub phaj hauv av. Qhov ntev qhwv yuav tsum ua kom lub tes tsho roj hmab ruaj khov. Txhim kho cov pas nrig ntxiv ntawm qhov sib npaug. Sab nrauv - txheej armor rods yuav tsum ua raws li qhov nkhaus sab nrauv ntawm lub tes tsho roj hmab. Rau ob npaugncua kev kawm ntawv clamps, qhov nruab nrab ntawm sab nrauv - txheej armor rods yuav tsum nyob nruab nrab ntawm ob lub tsho roj hmab.
⑦ Txuas lub phaj clamp ntawm lubOPGW ncua kev kawm ntawv Clampmus rau lub ncua kev kawm ntawv hardware thiab zawm cov screws. Tso cov saw hoist kom lub ncua kev kawm hardware hlua yog loaded, raws li qhia nyob rau hauv daim duab.
Daim duab: Daim duab ntawm txoj kab ncaj nraim - txoj hlua suspension
FAQ
Q: Dab tsi txaus ntshai Qhov Ncua Clamp Qhov Chaw Nyob?
A: Nws feem ntau yog tsom rau peb hom kev pheej hmoo:
Khoov kev ntxhov siab thiab clamping / compressive kev ntxhov siab (feem ntau cov ntsiab lus ntawm kev txhawb nqa)
Dynamic qaug zog tshwm sim los ntawm aeolian vibration thiab galloping
Txhawb- taw tes hnav / puas
Q: Vim li cas cov lus qhia kev teeb tsa ib txwm hais txog "Center Marking, Alignment, Thiab Symmetrical Wrapping"?
A: Vim tias ib zaug nws tsis sib haum, qhov kev txhawb nqa yuav muaj eccentric loading, ua rau muaj kev ntxhov siab hauv zos. AFL OPGW ncua kev kawm ntawv clamp installation cov lus qhia kom meej meej yuav tsum tau: khij lub clamp center txoj hauj lwm ntawm OPGW nrog tus cwj mem (tsis yog daim kab xev), thiab kho qhov chaw cim ntawm armor rods nrog nws.
Q: Dab tsi yog qhov kev sib raug zoo ntawm Kev Ncua Ncua Clamp Thiab "Lub neej qaug zog" ntawm OPGW?
A: Cua vibration/galloping rov siv dua dynamic kev nyuaj siab ntawm qhov chaw txhawb, ua rau qaug zog tsub zuj zuj. Ntau "preformed / armor-rod" ncua kev kawm ntawv clamps tau hais meej meej tias los ntawm kev cuam tshuam kev ntxhov siab ntawm qhov raug ncua thiab txo qhov siab zoo li qub thiab kev ntxhov siab, lawv txhim kho kev qaug zog thiab ua rau lub neej ntev.
Q: Puas yuav ncua Clamp cuam tshuam rau Optical Attenuation ntawm OPGW Fiber?
A: Raws li kev xaiv thiab kev teeb tsa kom raug, nws yuav tsis ua teeb meem. Txawm li cas los xij, yog tias cov hauv qab no tshwm sim- me me dhau ntawm lub vojvoog khoov ntawm qhov chaw txhawb nqa; txawv txav quab yuam, flattening, los yog hauv zos squeezing; misinstalled armor rods los yog pads ua rau eccentric stress-micro- dabtsi yog khoov kev pheej hmoo yuav nce, ua rau ntxiv poob los yog zais kev phom sij (tshwj xeeb tshaj yog rau OPGW fiber ntau / OPGW fiber ntau optic).
Q: Dab tsi yog qhov feem ntau tsis ua hauj lwm / zais kev phom sij ntawm OPGW ncua cov ntsiab lus?
A: Txhawb- taw tes hnav (slip, fretting hnav)
Misaligned lossis xoob armor rods ua rau muaj kev ntxhov siab hauv zos
Loose clamp lub cev, tsis muaj pins / cotter pins
Cov khoom tsis sib haum ua rau corrosion los yog galling
Ntev - lub sij hawm tsis txaus vibration tswj ua rau qaug zog tawg
