Kuchokera pamawonekedwe ake, mbale zosinthira za PT zimakhala ndi mawonekedwe osavuta kwambiri, omwe amatsimikiziranso njira yake yosavuta yoyika. Palibe zida zovuta zomwe zimafunikira pakuyika, ndipo zimatha kukwaniritsa zoyenera. Ndiye amaikidwa bwanji?
Kukonzekera: Choyamba, yang'anani mwatsatanetsatane mbale zosinthira PT, kuphatikizapo kuonetsetsa kuti palibe dzimbiri, mapindikidwe, ming'alu, kapena zowonongeka pamwamba; kuti ulusi sungatseke; komanso kuti zokutira za zinc sizingasinthe. Yang'anani mtundu wazinthu, katundu wovoteledwa, ndi kusintha kwake, ndipo gwiritsani ntchito wrench yoyenera.
Kuyika: Pukuta mbaleyo ndi nsalu kuti muchotse fumbi ndi mafuta, ndipo gwiritsani ntchito kachipangizo kakang'ono ka dzimbiri. Lumikizani mbale zosinthira PT ku chingwe cha insulator pogwiritsa ntchito mabawuti, limbitsani ma bolts, tembenuzani screw yosinthira, ndikusintha kutalika kwake kuti mutsimikizire ngakhale kupsinjika komanso kusapendekeka pa chingwe cha insulator. Gwiritsani ntchito wrench kulimbitsa ma bolts ku torque yotchulidwa, kuwonetsetsa kuti kulumikizana kotetezeka popanda kutayikira. Tetezani mbale yowongolera pamalo ake, kuonetsetsa kuti palibe kupatuka.
Poikapo, pewani kumenya mwamphamvu chinthucho kuti chisasokoneze kusintha kwake. Mukamangitsa mabawuti, gwiritsani ntchito mphamvu mofanana kuti mupewe mphamvu zambiri kumbali imodzi, zomwe zingawononge ulusiwo. Pewani kuika pa nyengo yoipa monga mvula kapena chifunga, ndipo pewani kuti zotsalira za chinyezi zisawononge dzimbiri.
Ma mbale osinthira a PT amatha kupangidwa ndi zinthu zosiyanasiyana panthawi yopanga, ndipo zinthuzo nthawi zambiri zimakhudza magwiridwe antchito ndi zochitika zomwe zikugwira ntchito. Pansipa, taphatikiza zofunikira pazida zomwe wamba kuti zikuthandizeni kusankha.
| Zakuthupi | Zimango katundu | Kukana dzimbiri | Ndalama zolowetsa | Zochitika Zoyenera | Kusamala kuti mugwiritse ntchito |
| Chitsulo cha carbon (Q235B) | Pansi (pafupifupi 235 MPa) | Nthawi zambiri, -mankhwala oletsa dzimbiri amafunikira. | Zochepa | Katundu wopepuka (Zochepera kapena zofanana ndi 50kN), zigawo zachiwiri, mumikhalidwe yokhala ndi bajeti yochepa komanso malo owuma. | Hot-dip galvanizing kapena mankhwala ena{1}}oletsa dzimbiri akufunika; pewani kugwiritsidwa ntchito m'malo a chinyontho kapena dzimbiri. |
| Chitsulo -champhamvu kwambiri (Q355B) | Pamwamba (pafupifupi 355 MPa) | Nthawi zambiri, -mankhwala oletsa dzimbiri amafunikira. | Wapakati | Applications involving high loads (>50kN) ndi katundu wamkulu-zigawo zonyamula, pomwe mtengo ndi magwiridwe antchito ziyenera kukhala zofananira. | Mphamvu zazikulu zimalola mbiri zowonda, koma kupewa dzimbiri ndikofunikira. |
| Chitsulo chosapanga dzimbiri (304) | Zapakati (zofanana ndi chitsulo cha carbon) | Zabwino kwambiri, palibe zoletsa{0}}ziwiri zowonjezera zofunika. | Wapamwamba | Kwa mapulogalamu omwe ali ndi katundu wochepa koma wofuna chitetezo cha dzimbiri, kapena kumene bajeti imalola ndi kukonza-ntchito yaulere ikufunika. | Ndiwokwera mtengo ndipo ndi yoyenera m'malo achinyezi, osatsegula-mpweya, kapena malo owononga. |
Monga katswiri wopanga mbale za PT, timakhulupirira kuti ogwiritsa ntchito akuyenera kulabadira kufananira, kudalirika kwa magwiridwe antchito, komanso kutsatira miyezo yapadziko lonse lapansi pogula. Pansipa, tifotokoza izi mwatsatanetsatane:
Kufotokozera
Ma mbale osinthira a PT amabwera m'mitundu yosiyanasiyana, monga PT-7, PT-10, ndi PT-12, zomwe ndizofala kwambiri. Kuti mumvetsetse miyeso yofananira, mutha kupempha zojambula zenizeni kuchokera kwa wopanga.
Malo
Mvetsetsani kuchuluka kwa ma voliyumu a malo ogwiritsira ntchito, kaya ndi magetsi otsika kapena magetsi okwera kwambiri, mvetsetsani mtundu wa chingwe cha insulator ndi momwe akuvutikira, ndipo fotokozani mizere ndi njira yolumikizira kwa wopanga.
Miyezo
Kaya ikugwirizana ndi miyezo yapadziko lonse lapansi, kaya yadutsa CE, UL ndi ziphaso zina, ndipo poyankhulana, muyenera kufunsa za mtengo wa FOB / CIF wa chitsanzo chenichenicho, komanso kuchuluka kwa dongosolo lochepa, kuphatikizapo ma phukusi ndi zoyendetsa;
Ma PT adjuster plates amagwiritsidwa ntchito ngati zida zapadera zolumikizira magetsi mumagetsi ndipo amatha kugwiritsidwa ntchito potengera magetsi osiyanasiyana-zochitika zofananira, kuphatikiza izi:
Mizere yodutsa -yamphamvu kwambiri
Mizere yotumizira ma 500kV imakhala ndi kulimba kwa ma conductor, ndipo zingwe zotchingira ziwiri zimagwiritsidwa ntchito kukwaniritsa zofunikira zamphamvu. Pamene mzere ukutembenuka, zingwe ziwirizo zidzakhala ndi mphamvu zosiyana. Ma PT owongolera amatha kusintha kutalika kwa zingwe kuti zingwe za insulator zizinyamula mphamvu molingana, zomwe zimatha kutengera kupatuka kwa mtunda panthawi yomanga mzere.
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mizati mphamvu
Mlongoti ndi insulator / clamp pansi zimalumikizidwa ndi sing'anga yomwe imalumikiza mokhazikika insulator ndi chingwe chapansi ku mkono wa nsanja kapena mawonekedwe othandizira amtengo. Posintha malo a mabowo ake, amatha kusinthidwa kuti akhale ndi kukula kwake kosiyana ndi malo olendewera, zomwe zingathe kupeŵa zoopsa za chitetezo.
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Kupanga gridi yamagetsi
Mizere yogawa magetsi m'tauni ndi yakumidzi iyenera kuyenda pakati pa nyumba ndi misewu, ndipo malo omangira ndi ovuta. Njira ndi njira yolumikizira mizere imasiyanasiyana. Ma mbale osinthira a PT atha kugwiritsidwa ntchito kulumikiza zingwe za insulator ndi zingwe ndi nsanja mu netiweki yogawa mphamvu. Mwa kusintha kutalika kuti zigwirizane ndi njira zovuta, kugwirizana kokhazikika kwa mizere yogawa magetsi kungatsimikizidwe, potero kuteteza kukhazikika kwa magetsi.
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Ntchito zapadera zotumizira mphamvu
Malo apadera monga madera a m'mphepete mwa nyanja, mafakitale, ndi -malo amapiri a chinyontho ali ndi zofunikira zazikulu kuti zisawonongeke ndi kukhazikika kwa magetsi. Pamwamba pake pakathiridwa malata, kuwonongeka kwa zomangira ndi mpweya wamchere wa m'nyanja ndi mpweya wotuluka m'mafakitale kumatha kuchepetsedwa, zomwe zimatha kusunga -kukhazikika kwa nthawi yayitali ndikuchepetsa mtengo wokonzanso pambuyo pake.
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