Model Ma'ana: "PH" yana nuna ƙarar zobe, kuma "7" yana nuna nauyin karya maras tushe na 70kN.
Abu: An yi shi da ƙarfe mai zafi mai zafi{0}} don ingantacciyar juriyar lalata da dacewa ga matsanancin yanayin aiki na waje.
Tsarin: Gabaɗaya zoben ƙirƙira ɗaya{0}, mai kama da siffar U{1}} zobe mai rataye, amma ramukan haɗin gwiwa a kowane ƙarshen ƙila a tsara su daban don ɗaukar haɗin haɗin hardware daban-daban da daidaita tsayi.
Babban Girma: Diamita na zobe 20mm, rami diamita 16mm, tsayin zobe 80mm.
Ma'auni na Fasaha: Nauyin karya na ƙima 70kN, nauyi kusan 0.4kg.
Aikace-aikace: Ana amfani da shi don haɗa igiyoyin insulator zuwa kayan aiki, tsakanin igiyoyi da igiyoyin insulator, da kuma tsakanin masu sarrafa walƙiya da hasumiya na sanda. Kayan aikin haɗin kai ne na duniya.
PH -7 ana kiranta da PH{8}0780, inda "07" ke wakiltar raguwar nauyin 70 kN da "80" yana nufin tsayin zoben 80 mm. Ana ƙera shi daga bakin karfe mai zagaye - wanda aka welded ko ƙirƙira azaman yanki ɗaya, yana samar da tsari mai siffar zobe. Za a iya haɗa ƙarshen zobe na tsawo zuwa wasu kayan aiki, tare da ƙuƙuka masu haɗawa da aka haɗa su a cikin hanya guda, yana mai da shi zoben layi daya. Filayen galvanized yana haɓaka juriya na lalata kuma yana tsawaita rayuwar sabis. A matsayin dacewa mai siffa mai siffar zobe, ana amfani da ita don haɗa igiyoyin insulator zuwa kayan aiki, tsakanin manne da igiyoyin insulator, da tsakanin masu sarrafa walƙiya da hasumiya.
Da farko{0}masu amfani da zoben tsawo na PH-7 ana shawarce su musamman da su saba da ƙayyadaddun amfani da shi don tabbatar da shigarwa cikin sauƙi.
Ƙayyadaddun Load
Ko da yake raguwar nauyin zoben tsawo na PH-7 shine 70kN, ainihin nauyin aiki dole ne ya zama ƙasa da ko daidai da 49kN, yana wakiltar 70% na nauyin karya.
Daidaituwar shigarwa
Dole ne a ƙara ƙulle tare da ƙwaya biyu don hana sassautawa. Lokacin da ake saduwa da ƙwanƙwasa mai siffa -, sharewar ya kamata ya zama ƙasa da ko daidai da 1mm.
Muhalli Contraindications
An haramta nau'in simintin ƙarfe a yankunan bakin teku da masana'antu. Ya kamata a zaɓi nau'ikan gami da ƙananan zafin jiki don yanayin ƙasa da digiri -20 .
Ana amfani da zoben tsawo na PH-7 a matsayin mai haɗawa a cikin layukan wutar lantarki, tare da aikace-aikace masu zuwa:
Haɗin kai
Ƙaddamar da haɗin kai tsakanin igiyoyin insulator da tsakanin ƙugiya da igiyoyin insulator don rama ga gibin shigarwa ko daidaita tsayin daka.
Layukan watsawa
Masu haɗin canja wuri tsakanin igiyoyin dakatarwa da igiyoyin tashin hankali don canja wurin lodin inji.
Wutar Wuta ta Wuta
An shigar a kan igiyoyin insulator na tashin hankali don saduwa da buƙatun share wutar lantarki na masu tsalle zuwa hasumiya.
Daidaitaccen zafi{0}} tsoma gwal ɗin gami da ƙarfe yana tabbatar da juriyar lalata yayin aiki. Koyaya, ƙarin zoben da ke da maƙalar "Z" an hana amfani da su a cikin mahalli masu lalata sosai.
PH{3} 7 na tsawo na zoben yawanci yana da rayuwar sabis na shekaru 15-20. Koyaya, tare da amfani na dogon lokaci, tsawon rayuwarsa zai ƙare. Don haka ta yaya kuke tantance lokacin da ƙarar zoben ke buƙatar sauyawa? Yi la'akari da abubuwa uku masu zuwa:
Tsatsa zurfin
Lokacin da zurfin tsatsa ya wuce 1mm, Layer na zinc ya lalace, yana hanzarta lalata karfe.
Nakasa
Lokacin da babban nakasar jiki ya wuce 5%, zoben zai lanƙwasa ƙarƙashin tashin hankali ko matsawa, ko buɗewar zai zama daga zagaye.
Karancin zafi-
Lokacin da yanayin zafi da ke ƙasa -20 digiri ya kasa -20 digiri, yana da wuyar karyewa idan ba a yi amfani da gariyar ƙarancin zafin jiki ba.
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