Ntawm cov hom clamps siv nyob rau hauv high-voltage overhead kab, ncaj nkoj-hom clamps thiab crimped nro-resistant raj-hom

nro clamps ntau dua.Kuj tseem muaj pre-twisted clamps thiab wedge-type clamps.Wedge-type clamps paub txog

lawv simplicity.Cov qauv thiab cov txheej txheem kev teeb tsa tau pom zoo los ntawm ntau lub tuam txhab kev teeb tsa thiab kev ua haujlwm.Cov

pre-twisted cable clamp yog tus qauv cable clamp ntawm OPGW.Nws yog tam sim no kuj hu ua hom backup cable clamp hom nyob rau hauv lub

"three-span" section.Niaj hnub no, cia peb saib ob lub qauv thiab kev ceev faj ntawm cov noob clamp.

1 lub clamp

1.1 Kev siv cov kab nrib pleb

Wedge-type cable clamps tuaj yeem hloov cov compression thiab nro-resistant cable clamps, thiab tuaj yeem siv ua thaub qab.

cable clamps, uas yuav siv tau rau hauv av xaim thiab conductors.Vim yog cov yam ntxwv ntawm cov qauv, cov npoo clamps tsuas yog siv xwb

nyob rau hauv tension towers.

1.2 Wedge clamp qauv

Nyob rau hauv ib tug nyias muaj nyias ib kab noj hniav.Thaum tus neeg xyuas pib thiab lub clamp raug hloov pauv, tus neeg xyuas pib, lub npoo,

thiab lub clamp kab noj hniav yuav cia li compressed kom lub clamp tuav ntawm tus neeg xyuas pib.Nws cov qauv yog qhia hauv daim duab 1.

Daim duab 1 Wedge clamp qauv

Nyob rau hauv daim duab 1, 1 yog lub cable clamp kab noj hniav, 3 thiab 4 yog wedges, siv los txhuam hauv av xaim, thiab qis dua wedge 3 muaj tus Tsov tus tw.

coj tawm.Rau cov pa kab hom kab hlau txuas, jumpers tuaj yeem ntsia tau ntawm no.Wedge-hom thaub qab cable clamp, txij li muaj

tsis tas yuav txuas jumpers, tej zaum yuav tsis muaj cov khoom siv lead ua tawm ntawm no.Lub disassembly ntawm ib tug wedge-hom cable clamp yog qhia nyob rau hauv

Daim duab 2, thiab daim duab kos rau ntawm qhov chaw yog qhia hauv daim duab 3.

Daim duab 2 Disassembly ntawm wedge clamp

Daim duab 3 Kab tshoob hlau clip (cov kab ntawv thaub qab) ntawm -site installation daim ntawv qhia

2.3 Kev ceev faj rau cov kab hlau txuas txuas

1) Kev teeb tsa ua ntej zawm quab yuam ntawm cov npoo-hom thaub qab cable clamp

Lub npoo ntawm lub npoo clamp tsis tuaj yeem txav mus rau hauv txoj kev nruj, tab sis tuaj yeem txav mus rau qhov sib txawv.Yog lub caij nplooj zeeg thiab

hauv av xaim tsis nruj, lub npoo yuav maj mam xa tawm raws li qhov kev txiav txim ntawm lub sij hawm ntev cua vibration.Yog li ntawd, pre-tightening

quab yuam yuav tsum tau siv thaum txhim kho lub wedge backup cable clamp, thiab tsim nyog los tiv thaiv loosening ntsuas yuav tsum tau ua.

2) Txoj hauj lwm ntawm kev tiv thaiv kev vibration rauj tom qab txhim kho lub npoo clamp

Tom qab lub wedge clamp yog ntsia, nws tawg yuav inevitably dhau los ua ib qho chaw ruaj khov, yog li qhov kev ncua deb ntawm kev tiv thaiv kev vibration rauj.

yuav tsum tau muab xam los ntawm qhov tawm ntawm lub wedge clamp kab noj hniav.
2 pre-twisted hlau clips

2.1 Daim ntawv thov ntawm pre-twisted hlau clamps

OPGW muaj kev sib txuas lus kho qhov muag fibers.General crimp-type nro-resistant cable clamps tuaj yeem ua rau cov khoom siv kho qhov muag tau yooj yim puas

thaum lub sij hawm crimping txheej txheem.Pre-twisted cable clamps tsis muaj teeb meem zoo li no.Yog li ntawd, pre-twisted cable clamps tau xub siv hauv OPGW,

suav nrog cov kab ncaj nraim.Clamps thiab nro clamps.Nrog txoj kev loj hlob ntawm kev siv tshuab, nws maj mam siv rau hauv cov kab dav dav.Nyob rau hauv xyoo tas los no,

lub chaw ua haujlwm kev saib xyuas rau peb-sijhawm tau qhib kev siv tshiab ntawm pre-twisted cable clamps - raws li thaub qab cable clamps (kev nyab xeeb

thaub qab cable clamps) rau peb ntu ntu.

2.2 Pre-twisted cable clamp qauv

1) Hauv av xaim ua ntej twisted thaub qab clamp

Lub hom phiaj ntawm cov av xaim thaub qab clamp yog siv lub thaub qab clamp los muab lub zog tuav rau hauv av xaim thaum thawj qhov nro

clamp qhov hluav taws xob ntawm cov hlau hauv av tawg (cov ntaub ntawv kev ua haujlwm qhia tau tias feem ntau ntawm cov av xaim tawg tshwm sim ntawm qhov hluav taws xob clamp qhov hluav taws xob).

Txhim khu kev txuas nrog cov xov hlau kom tsis txhob muaj cov xaim hauv av poob.

Cov tsos thiab cov qauv ntawm pre-twisted backup cable clamp yog qhia nyob rau hauv daim duab 4 thiab daim duab 5. Lub pre-twisted hlau ua ib tug

lub raj khoob, thiab sab hauv muaj cov xuab zeb.Thaum lub sij hawm installation, lub pre-twisted hlau yog qhwv ib ncig ntawm lub hauv av xaim, thiab pre-twisted.

hlau compression quab yuam thiab sab hauv yog siv.Lub grit ntawm qhov chaw muab tuav.Raws li qhov loj ntawm qhov chaw nyob hauv av xaim,

lub pre-twisted hlau ntawm backup clamp yuav muab faib ua 2 txheej thiab 1 txheej.Cov txheej txheem 2-txheej txhais tau hais tias ib txheej ntawm pre-twisted hlau yog

ntsia sab nraum lub hauv av xaim, thiab tom qab ntawd ib lub xaim ua ntej twisted nrog lub nplhaib yog ntsia ntxiv rau cov xaim ua ntej twisted.Lub twisted hlau clamp muaj

xuab zeb nyob rau hauv ob txheej ntawm pre-twisted hlau.

Daim duab 4 Cov tsos ntawm pre-twisted cable clamp

Daim duab 5 Daim duab yooj yim installation ntawm pre-twisted cable clamp

2) Pre-twisted OPGW cable clamp

Rau OPGW, pre-twisted cable clamps yog cov khoom uas dais txhua yam nro thiab muab faib ua ob hom: tensile thiab ncaj.

Lub tensile on-site installation yog qhia nyob rau hauv daim duab 6, thiab qhov ncaj on-site installation yog qhia nyob rau hauv daim duab 7.

Daim duab 6 OPGW nro-resistant pre-twisted cable clamp

Lub ntsiab qauv ntawm OPGW tensile-resistant pre-twisted cable clamp yog tib yam li saum toj no-hais hauv av xaim ua ntej twisted

thaub qab cable clamp.Cov xaim ua ntej twisted thiab cov xuab zeb sab hauv yog nyob ze nrog OPGW los muab lub zog tuav.Nws yuav tsum yog

sau tseg tias OPGW tensile-resistant pre-twisted cable clamp Cov clips tag nrho muaj 2-txheej pre-twisted hlau qauv.Sab hauv txheej ntawm

pre-twisted hlau muab kev tiv thaiv rau OPGW ntawm ib sab tes, thiab ntawm qhov tod tes, txheej txheej ntawm pre-twisted hlau hloov

cov duab tseem ceeb thiab ua kom muaj zog tuav txaus.Tsis tas li ntawd, rau cov ncej yees uas yuav tsum tau grounded, ib co pre-twisted nro

clamps tau nruab nrog cov xaim tshwj xeeb los xyuas kom meej tias OPGW yog qhov zoo hauv av.

Daim duab 7 OPGW linear pre-twisted cable clamp

Muaj ob qhov sib txawv ntawm OPGW linear pre-twisted cable clamp thiab lub zog tensile.Ua ntej, feem ntau tsis muaj xuab zeb

nyob rau hauv lub linear pre-twisted cable clamp, vim hais tias cov linear pej thuam tsis tas yuav tiv taus lub zog tensile ntawm cov hlau;qhov thib ob

yog qhov kev sib txuas ntawm cable clamp thiab ntauwd lub cev.Cov qauv sib txawv thiab txuas nrog ntauwd lub cev los ntawm

tshwj xeeb nthuav kev tiv thaiv thiab kho vajtse.

3) Pre-twisted hlau thaub qab clamp

Thaum muaj qhov tsis xws luag hauv thawj qhov nro clamp tshwm sim nyob rau hauv tus neeg xyuas pib, lub pre-twisted thaub qab clamp tuaj yeem siv los ua kev kho mob ib ntus

ntsuas kom muaj peev xwm tuav tau txaus thiab txaus txaus.Cov qauv yog qhia hauv daim duab 8.

Daim duab 8 Pre-twisted hlau thaub qab clamp

Nyob rau hauv daim duab 8, cov xov hlau ua ntej twisted 2 thiab 3 yog siv los txuas rau lub phaj hloov kho kom muaj kev txhawb nqa tshuab, thiab cov kua dej.

xaim 7 yog siv los txuas cov xaim thiab cov dej qub jumper kom ua tiav cov dej ntws, yog li tsis txhob overheating thiab lwm yam tsis xws luag.

mus rau txoj hauj lwm ntawm qhov nro clamp kua phaj.Muaj feem cuam tshuam rau kev khiav ntawm cov xov hlau.

2.3 Kev ceev faj rau pre-twisted cable clamps

1) Cov txheej txheem hauv av thiab cov khoom siv xuab zeb sab hauv ntawm lub pre-twisted backup cable clamp

Muaj ob hom xuab zeb nplej hauv cov xaim ua ntej twisted.Ib qho yog non-conductive emery.Hauv av xaim-ua ntej twisted hlau interface

tsim los ntawm pre-twisted hlau clip muaj qhov tsis zoo hluav taws xob conductivity thiab feem ntau tsis siv nyob rau hauv qhov chaw uas yuav tshwm sim.

Lwm hom xuab zeb yog conductive xuab zeb doped nrog hlau, uas muaj ib tug tej yam degree ntawm conductivity thiab yog siv nyob rau hauv ua hauj lwm tej yam kev mob

qhov twg yuav tshwm sim.

Rau cov kab uas cov xaim hauv av yog insulated los ntawm ntauwd mus rau pej thuam, thiaj li tsis hloov cov txheej txheem hauv av, cov xaim thaub qab

clamp yog insulated (xws li ib tug thaub qab hlau clamp nrog ib daim ntawm insulator strung ua ke).Lub amplitude ntawm induced tam sim no nyob rau hauv lub

av hlau yog tsawg heev nyob rau lub sij hawm zoo tib yam.Thaum xob laim tawm tsam tshwm sim, nws feem ntau yog lub zog xob laim tawm los ntawm

qhov sib txawv ntawm cov av xaim insulator.Lub sij hawm no, lub thaub qab clamp yuav tsis dais cov dej ntws, yog li cov xuab zeb hauv lub clamp tuaj yeem ua tau

ua los ntawm emery.

Rau cov kab uas cov xov hlau hauv av yog grounded los ntawm pej thuam mus rau pej thuam, cov xov hlau thaub qab feem ntau ncaj qha mus rau hauv ntauwd lub cev.

ntawm fittings.Feem ntau, qhov induced tam sim no nyob rau hauv kab yog loj, thiab thaum muaj ib tug hluav taws xob counterattack tshwm sim, tam sim no yuav dhau mus.

cov thaub qab hlau clips.Thaum lub sij hawm no, conductive hlau clamps yuav tsum tau siv nyob rau hauv lub backup hlau clips.xuab zeb.

Rau cov kab nrog ib leeg-kawg grounding nyob rau hauv av xaim nro seem, txoj kev grounding ntawm pre-twisted backup clamp yog

tib yam li txoj kev grounding ntawm thawj av xaim ntawm qhov chaw pej thuam.Nyob rau tib lub sijhawm, yog tias nws yog insulated, emery tuaj yeem siv tau.

Sab hauv ntawm qhov ncaj qha grounded backup clamp yuav tsum Siv cov xuab zeb conductive.Qhov no kuj yog txoj kev hauv av thiab xuab zeb

xaiv txoj cai ntawm lub pre-twisted backup cable clamp.

2) Cov khoom siv ua ke ntawm pre-twisted cable clamp thiab hauv av xaim

Lub pre-twisted cable clamp yog sib npaug rau ntxiv ib txheej ntawm hlau tiv thaiv sawb sab nraum lub hauv av hlau.Yog cov ntaub ntawv nruab nrab

ob qho tib si tsis zoo sib xws, nws yuav ua rau muaj teeb meem electrochemical corrosion thaum lub conductivity ntawm cov dej nag siab.Yog li ntawd,

cov khoom siv tib yam li cov xaim hauv av feem ntau yog xaiv raws li cov khoom ntawm pre-twisted cable clamp.

3) Xaus kev kho mob ntawm pre-twisted hlau

Tus Tsov tus tw kawg ntawm cov xaim ua ntej twisted yuav tsum tau muab sib dhos kom tsis txhob muaj corona, thiab tib lub sijhawm, cov xaim ua ntej twisted yuav tsum tau tiv thaiv.

los ntawm kev nce thiab ua rau kev sib cuag tsis zoo nrog cov xaim hauv av.