OPGW cable installation yog ib qho tseem ceeb hauv kev tsim kho qhov muag cable kab, ncaj qha ntsig txog kev sib txuas lus zoo thiab kev nyab xeeb ntawm kev ua haujlwm. Piv nrog rau cov khoom siv kho qhov muag zoo tib yam, OPGW cable installation muaj cov kev xav tau ntau dua: lub cable yuav tsum muaj qhov nro tsis tu ncua thaum lub sij hawm stringing, tsis txhob twisting thiab bending ntau dhau, thaum tiv thaiv kev puas tsuaj rau sab nrauv thiab fiber ntau compression. Txoj kev nro stringing siv nyob rau hauv kev tsim kho kom lub cable raug tshem tawm txhua lub sijhawm, tiv thaiv cov fiber ntau los ntawm kev puas tsuaj thiab ua kom ntev - lub sijhawm ua haujlwm ruaj khov ntawm kev sib txuas lus. Phau ntawv qhia no qhia txog cov txheej txheem kev tsim kho rau OPGW stringing thiab sagging, suav nrog rub hlua xa tawm, cov ntsiab lus tseem ceeb ntawm txoj hlua cable, thiab sagging txoj hauv kev sib txawv nro ntauwd configurations, muab kev qhia thiab cov qauv kev ua haujlwm rau OPGW cable installation.
Rub hlua hlua
- Txoj hlua rub feem ntau siv tsis yog -twisted steel hlau hlua, maj mam hloov dua siab tshiab los ntawm kev qhia txoj hlua traction. Txoj hlua qhia feem ntau siv Dyneema hlua, xa los ntawm dav hlau.
- Thaum siv phau ntawv xa tawm, txoj hlua rub yog coiled thiab xa mus rau hauv ntu manually. Tom qab txhua ntu raug xa mus, nws txuas nrog cov khoom tiv thaiv-bending connectors.
- Thaum siv dav hlau xa tawm, lub dav hlau ua haujlwm dav hlau xaim hlua Dyneema, siv me me traction thiab me me nro los rub cov hlua hlau hlua nrog Dyneema hlua.
- Kev sib txuas ntawm cov hlua rub yog: rub hlua - anti-bending/swivel connector - rub hlua (raws li qhia hauv daim duab).
Pulling Rope Connection Diagram
OPGW Cable hlua
① Kev sib txuas ua ke ntawm rub hlua thiab cable yog: anti-twist steel hlau hlua (rub hlua) - swivel connector - rub tuav - OPGW, raws li pom hauv daim duab.
Rub hlua thiab Cable Connection Diagram
② Tom qab txuas cov hlua rub thiab cable, ua ntej tso cov hlua rub lub thauj tog rau nkoj ib ntus, dai cov neeg taug kev hauv av, thiab pib tom qab lees tias tag nrho cov kab yog qhov qub. Pib ua ntu zus: pib tensioner ua ntej, ces ruber; nres ib ntus: nres ruber ua ntej, ces tensioner.
③ rub ceev: Lub ruber yuav tsum maj mam nrawm mus rau qhov ceev ntawm 5m / min. Yog tias txhua yam tau lees paub qhov qub, nws tuaj yeem nrawm nrawm. Kev rub ceev yuav tsum nyob ib ncig ntawm 25m / min, nrog qhov siab tshaj plaws tsis pub tshaj 35m / min. Qhov tseeb rub nrawm yuav tsum tau txiav txim siab los ntawm cov thawj coj tsim kho raws li cov xwm txheej tiag tiag.
④ Stringing blocks ntawm lub kaum sab xis txoj haujlwm yuav tsum tau ua ntej - offset siv cov txiv neej cov xov hlau, nrog kev hloov kho txuas ntxiv thaum lub sij hawm rub kom ntseeg tau tias cov cable tsis dhia tawm ntawm lub sheave zawj thaum stringing, raws li qhia hauv daim duab.
Ua ntej-offset Adjustment Diagram
⑤ Thaum tsuas yog 5-6 lem ntawm cable nyob rau ntawm lub tensioner spool, rub yuav tsum nres. Thauj tog rau nkoj ib ntus nyob rau hauv pem hauv ntej ntawm lub tensioner siv OPGW tshwj xeeb clamps los yog nro preformed armor rods, ntxiv tshuav qhov hnyav txhua zaus. Tshem cov hlua txuas ntxiv ntawm lub nruas thiab tensioner. Yog tias rub tawm mus txog qhov chaw, teeb tsa qhov nro preformed armor rods (nrog qhov sib npaug ntawm qhov hnyav) ntawm lub cable kawg, nruj nrog motorized winch, tshem tawm cov thauj tog rau nkoj ib ntus, thiab rub teb maj mam rub thaum lub motorized winch maj mam tawm.
⑥ Yog hais tias lub cable yuav raug rub kom deb li deb tom qab tso tawm ntawm lub tensioner, thaum 5-6 tig nyob rau hauv lub nruas, nres thiab tshem tawm cov seem cable, nruab tshwj xeeb grips, anti-bending swivel connectors, thiab rub hlua, ces cua rov qab mus rau lub nruas thiab txuas ntxiv mus qeeb. Nres thaum lub cable kawg tab tom yuav tawm ntawm lub log nro, nruab nro preformed armor rods (nrog rau qhov sib npaug qhov hnyav), siv winch pab kom tso tawm 5-10m, hloov qhov tshwj xeeb connector nrog ib tug swivel connector, thiab deploy rub hlua ntawm lub tensioner.
⑦ Thaum lub cable kawg yog rub los ntawm cov hlua khi thiab ncav cuag qhov ntev tsim, nres rub. OPGW cable installation stringing tiav. Qhov ntev tshwj xeeb ntawm ob qho kawg ntawm OPGW stringing yuav tsum yog tsawg kawg 15m tom qab ncav cuag hauv av.
⑧ Thaum lub ruber-tensioner raug ntsia rau hauv lub nro ntauwd, tom qab rub ua tiav, kev thauj mus los ib ntus yuav tsum tau ua rau ntawm tangent yees ntawm ob qho kawg ua ntej coiling OPGW seem hauv lub nruas mus rau hauv cov voj voog loj, tom qab ntawd nqa cov hlua hlua mus rau tus pej thuam.
OPGW Cable Sagging
OPGW cable sagging feem ntau yog muab faib ua ob qhov xwm txheej hauv qab no raws li cov xwm txheej tiag tiag, nrog cov kauj ruam rau txhua qhov raws li hauv qab no:
Tension Section Tsis Tension Towers
Sagging thaum tsis muaj nro yees nyob rau hauv nruab nrab ntawm lub nro seem yog qhia nyob rau hauv daim duab.
Sagging Diagram Thaum Tsis Muaj Ntau Ntau Ntau Hauv Nruab Nrab ntawm Nres Nqe
① Tom qab cable stringing tiav, kos raws li tsim kawg ntev ntawm N2 nro ntauwd thiab nruab nro clamp.
② Tom qab qhov nro clamp yog ntsia ntawm N2 nro ntauwd, maj mam rub ntawm qhov rub tawm. Thaum lub sag nyob rau hauv N1-N2 nro seem yog 2-3m siab tshaj qhov tsim installation sag (kev soj ntsuam span sag), nres rub.
③ Nruab sagging preformed armor rods (nrog qhov sib npaug qhov hnyav) 4-5m sab nraum kab ntawm N1 nro ntauwd, siv sagging khoom los kho N1-N2 sag. Thaum nws ncav cuag tus qauv, kos thiab nruab nro clamp kom tiav sagging. Tom qab kos txhua lub tangent ntauwd ntawm N1-N2, tangent ntauwd kho vajtse installation tuaj yeem ua tiav.
Nqe Lus Nug Nrog Txuas Txuas Ntau Ntau (N3 Tsis Muaj Splice Box)
Sagging Diagram Thaum Tension Ntauwd nyob rau hauv nruab nrab ntawm Tension Section
① Kos raws li tsim qhov ntev ntawm N2 ntauwd thiab nruab nro clamp.
② Ua N2-N3 seem sagging. Txuas sagging preformed armor rods thiab saw hoists ntawm ob sab ntawm N3 ntauwd ib txhij thiab me ntsis zawm, ces zawm cov saw hoist ntawm N2 sab rau sagging.
③ Thaum N2-N3 sag ncav cuag tus qauv, khij txhua tangent ntauwd thiab nruab nro kho vajtse ntawm N2 sab ntawm N3 pej thuam.
④ Ntsuas qhov ntev ntawm qhov yuav tsum tau ua raws li tsim, txhim kho qhov nro ntawm N1 sab ntawm N3 ntauwd, thiab tso cov saw hoist ntawm sab ntawd. Yog tias qhov txuas txuas txuas ntxiv tom qab N2-N3 sagging tsis txaus rau qhov ntev ntawm lub downlead, zawm cov saw hoist ntawm N1 ntauwd sab kom tau raws li qhov yuav tsum tau ua kom ntev.
⑤ Tom qab ntawd ua ntu N3-N1 sagging.
Tej teeb meem thiab kev daws teeb meem
Cable Twisting teeb meem
Yuav ua li cas txiav txim siab yog OPGW tau twisted?
Peb lub cim: ① Hloov cov kev taw qhia strand ntawm cable nto. ② Connector tig ntau tshaj 3 lem. ③ Cable qhia tau hais tias "twisted hlua" zoo li.
Tom qab pes tsawg zaus ntawm kev sib tw yuav tsum ua haujlwm nres?
Yuav tsum tau nres tam sim ntawd thaum twisting tshaj 3 lem, nruj me ntsis txwv tsis pub rub mus ntxiv.
Yuav ua li cas tiv thaiv cable twist?
① Siv los tiv thaiv - twist nplawm (3.5m ntev, 20kg hnyav). ② Nruab qhov txuas txuas ntawm txhua qhov txuas. ③ Tswj rub ceev ntawm 25-35m / min.④ Muab cov neeg ua haujlwm rau kev saib xyuas.
Yuav ua li cas tuav twisting thaum nrhiav tau?
① Tam sim ntawd nres. ② Tso lub zog. ③ Manually tso twist ntawm lub kaum sab xis ntauwd.④ Kos lub voj voog txuas.
Ntev npaum li cas thiaj tswj tau tom qab sagging kom tshem tawm kev ntxhov siab?
Khaws rau 1 teev tom qab ncav cuag qhov tsim sag kom tso cai rau sab hauv torsional kev ntxhov siab kom tag nrho dissipate.
Tshaj - Teeb meem rub
Dab tsi yog qhov txwv kev nyab xeeb rau OPGW rub nro?
Tsawg dua lossis sib npaug li 15% ntawm kev tawg lub zog, kev tsim kho tiag tiag tswj ntawm 0.8-1.2T, qhov siab tshaj plaws tsis tshaj 1.3T.
Dab tsi yog qhov tshwm sim ntawm kev dhau- rub?
① Fiber ntsib tensile kev nyuaj siab ua rau microbend poob ② Hlau strands undergo yas deformation ③ Cov mob hnyav ua rau fiber ntau tawg
Dab tsi yog qhov pib- nres ib ntus rau tensioner thiab ruber?
Pib: pib tensioner ua ntej, ces ruber; Nres: nres ruber ua ntej, ces tensioner.
Thaum twg cable tseem muaj pes tsawg lem ntawm tensioner yuav tsum rub nres?
Yuav tsum tsis txhob rub rau ib ntus anching thaum 5-6 lem nyob twj ywm.
Yuav ua li cas tswj rub ceev?
① Maj mam nrawm mus rau 5m / min qis ceev kom paub meej tias ib txwm ② Smoothly nrawm mus rau 25m / min ③ Ntau tshaj 35m / min ④ Txo ceev thaum hla lub kaum sab xis thiab hla cov ntsiab lus
Dab tsi yog qhov yuav tsum tau muaj rau tensioner log txoj kab uas hla?
Ntau dua los yog sib npaug rau 70 npaug OPGW sab nraud txoj kab uas hla, thiab Ntau dua los yog sib npaug rau 1000mm
Sheave Jumping Teeb meem
Dab tsi yog qhov laj thawj tseem ceeb ntawm sheave dhia?
① Tsis txaus ua ntej- offset ntawm lub kaum sab xis ntauwd.② rub nrawm dhau.③ Sheave log txoj kab uas hla me me dhau.④ Cua daj cua dub.
Dab tsi yog qhov specifications rau stringing blocks?
Groove hauv qab txoj kab uas hla Loj dua los yog sib npaug rau 40 npaug OPGW sab nraud txoj kab uas hla, thiab Ntau dua los yog sib npaug rau 450mm (feem ntau 560mm), yuav tsum muaj nylon lossis roj hmab hauv ob sab phlu.
Yuav ua li cas tiv thaiv dhia ntawm lub kaum sab xis?
① Nruab ua ntej- offset txiv leej tub hlau (kev taw qhia rov qab rau lub kaum sab xis).
Dab tsi yog cov kauj ruam tom qab nrhiav pom dhia?
① Tam sim ntawd ceeb toom kom nres.② Tswj raws li txoj cai quo yam tsis muaj kev tso cai txav mus los.
Cov huab cua zoo li cas txwv kev tsim kho?
Yuav tsum tso tseg kev tsim kho nyob rau hauv cua quab yuam siab tshaj los yog sib npaug li 5, thunderstorms, pos huab hnyav.
Yuav ua li cas los daws cov txheej txheej khawb tom qab cable dhia?
Me me abrasion qhwv nrog daim kab xev; txheej txheej deformation yuav tsum re-spooling; fiber ntau puas yuav tsum tau hloov los yog spliced.
Teeb meem Anchoring ib ntus
Thaum twg thiaj li xav tau kev thauj mus los ib ntus?
① Thaum lub sij hawm reel hloov kev khiav hauj lwm ② cuam tshuam kev tsim kho (noj su / hmo ntuj / huab cua hnyav) ③ Tos rau sagging ④ Cable kuaj
Cov cuab yeej twg yuav tsum tau siv rau kev thauj mus los ib ntus?
OPGW tshwj xeeb clamps los yog nro preformed armor rods (chaw tsim tshuaj paus-match), nruj me ntsis txwv tsis pub siv zoo tib yam clamps.
Dab tsi accessories yuav tsum tau nruab thaum lub sij hawm thauj khoom ib ntus?
Qhov sib npaug yuav tsum tau ntxiv txhua zaus (feem ntau 20-50kg) kom tswj tau qhov sib npaug ntawm cable.
Cov ntsiab lus thauj tog rau nkoj ib ntus tuaj yeem nyob qhov twg?
Tsuas yog nyob rau hauv tangent yees lossis tension towers, nruj me ntsis txwv tsis pub ntawm lub kaum sab xis yees.
Muaj pes tsawg lub sij hawm preformed armor rods reused?
Tsis pub tshaj 2 zaug.
Ntev npaum li cas los tshuaj xyuas thaum lub sijhawm thauj khoom ib ntus?
Tshawb xyuas txhua 4 teev, kho qhov txawv txav kom sai.
Yuav tsum kuaj dab tsi ua ntej thiab tom qab kev thauj mus los ib ntus?
OTDR kuaj fiber ntau ua ntej anchoring ib ntus, sim dua tom qab, sib piv kom paub meej tias tsis muaj kev puas tsuaj.
Puas tuaj yeem ua haujlwm thauj khoom ib ntus tuaj yeem ua rau muaj cua daj cua dub?
Siab - qhov siab qhov siab ib ntus anchoring ua haujlwm txwv tsis pub thaum cua quab yuam Ntau dua lossis sib npaug li 5.
Comprehensive Quality Control
Dab tsi yog "Tsib Tiv Thaiv" hauv OPGW cable installation?
Kev tiv thaiv kev rub kev puas tsuaj, kev puas tsuaj puas tsuaj, sib ntswg puas tsuaj, kev puas tsuaj ntawm kev sib tsoo, khoov puas.
Dab tsi yog qhov tsawg kawg nkaus dabtsi yog khoov vojvoog thaum lub sij hawm tsim kho?
Ntau tshaj los yog sib npaug rau 20 npaug ntawm cable sab nraud txoj kab uas hla (thaum lub sij hawm tsim kho); Ntau dua lossis sib npaug li 30 zaug tom qab kev teeb tsa tiav.
Dab tsi yog qhov kev lees paub rau fiber ntau splice poob?
Qhov nruab nrab poob Tsawg dua los yog sib npaug rau 0.08dB ib splice.
Dab tsi yog qhov tso cai sag sib txawv?
110kV: +5%/-2.5%; 220kV: ± 2.5%; Ntev ncua Tsawg dua lossis sib npaug ± 1%.
Thaum twg yog qhov yuav tsum tau kuaj OTDR?
① Kev ntsuam xyuas hauv paus ua ntej kev tsim kho ② Ua ntej / tom qab dhia / twisting / anchoring ib ntus ③ Tom qab sagging tiav ④ Kev lees txais zaum kawg
Cov lus hais txog