日本jizz强视频69视频-日本h在线精品免费观看-日本h在线观看-日本h肉动漫在线观看免费-日本a中文字幕-日本a在线天堂

網站公告-NOTICE

新聞資訊

當前位置:首頁 / 新聞資訊

電纜橋架必須進行保護接地

鍍鋅電纜橋架間連接板的兩端可不作接地跨接線.但每塊連接板應有不少于2個有防松動螺帽或防松動墊圈的連接固定螺栓。當允許利用電纜橋架構成接地干線回路時.電纜橋架及其支、吊架、連接板應能承受接地故障電流.并滿足熱效應的要求。
The ends of the connecting plate between the galvanized cable bridge shall not be connected to the ground, but each connecting plate shall have no less than 2 fastening bolts with a loose screw cap or a loose washer. The cable bridge and its branches, hangers and connecting plates should be able to withstand the grounding fault current and meet the requirements of the thermal effect when the cable bridge is allowed to form the ground trunk circuit.
強腐蝕性環境應采用(F)類復合環氧樹脂防腐阻燃型電纜橋架。托臂、支架也要選用同樣材料,提高橋架及附件的使用壽命,電纜橋架。在容易積灰和其它需遮蓋的環境或戶外場所宜加蓋板。可根據現場還環境及技術要求選用托盤式、槽式、梯級式、玻璃防腐阻燃電纜橋架或鋼質普通型橋架。在容易積灰和其它需遮蓋的環境或戶外場所宜加蓋板。在公共通道或戶外跨越道路段,底層梯級的底部宜加墊板或在該段使用托盤 。

F type composite epoxy resin anticorrosive and flame retardant cable tray should be used in strong corrosive environment. The bracket and bracket should also use the same material to improve the service life of the bridge and accessories, and the cable bridge. It is advisable to add cover plates to the environment or outdoor areas where ash is easily accumulated and other need to be covered. The tray type, trough type, step type, glass anticorrosive flame retardant cable bridge or steel ordinary bridge can be selected according to the on-site environment and technical requirements. It is advisable to add cover plates to the environment or outdoor areas where ash is easily accumulated and other need to be covered. In the public passage or outdoor crossing the road segment, the bottom of the bottom ladder should be added with a pad or used in the section.
電纜橋架系指電纜梯架、電纜托盤及金屬線槽。電纜橋架主要有鋼制、鋁合金制及玻璃鋼制等。鋼制橋架表面處理分為噴漆、噴塑、電鍍鋅,熱鍍鋅、粉沫靜電噴涂等工藝。電纜橋架的安裝主要有沿頂板安裝。沿墻水平和垂直安裝、沿豎井安裝、沿地面安裝。沿電纜溝及管道支架安裝等。
The cable tray refers to the cable ladder rack, cable tray and metal wire slot. The cable tray is mainly made of steel, aluminum alloy and FRP. Steel bridge deck surface treatment is divided into spray painting, plastic spraying, galvanizing, hot galvanizing, powder electrostatic spraying and other processes. The installation of the cable bridge is mainly along the roof. Install horizontally and vertically along the wall, install along the shaft, and install along the ground. Installation along the cable trench and the pipe support.
我們以優良的產品,貼心的服務,可靠的信譽,為您的事業成功助一臂之力,竭誠歡迎各界同仁惠顧洽談業務!
With our excellent products, intimate service and reliable reputation, we will help you in your success. We sincerely welcome all colleagues to negotiate business.
 
qq
售前咨詢熱線
15168870138
售后咨詢熱線
13465410318
主站蜘蛛池模板: 国产一区二区视频在线播放 | 亚洲欧美一区二区久久 | 国产麻豆剧果冻传媒观看免费视频 | 草久热 | 亚洲老头与老太hd | 欧美日本道免费一区二区三区 | 教师系列 大桥未久在线 | 青青青国产在线观看 | 国产日韩欧美在线播放 | 波多野结衣快播 | 国产女主播福利在线 | 小黄文污到你湿 | 秋霞午夜视频在线观看 | 9l桃色| 亚洲国产精品久久精品成人网站 | 日比免费视频 | 国内精品九一在线播放 | 青草草视频在线观看 | 狠狠色婷婷狠狠狠亚洲综合 | 天天色一色 | 亚洲剧情在线观看 | 无人区国产大片 | 国产精品视频一区二区三区 | 胖女性大bbbbbb | 四虎影视免费观看 | 日产2021免费一二三四区 | 亚色九九九全国免费视频 | 夫妻性生活免费在线观看 | 亚洲AV福利天堂一区二区三 | 欧美男人的天堂 | 日本韩国一区二区三区 | 亚洲国产第一区二区香蕉日日 | 亚洲va久久久噜噜噜久久狠狠 | 青青青草免费 | adc 我们的永久网址 | 男人搡女人视频免费看 | xxx黑人又大粗又长 xxxx性欧美极品另类 | 国产一级精品高清一级毛片 | 色哟哟在线视频 | 国产成人高清视频 | 1769在线视频|