成人免费片-成人免费动作大片黄在线-成人免费在线-成人免费在线网站-欧美亚洲在线观看-欧美亚洲在线视频

網站公告-NOTICE
聯系我們
濟南航豐實業有限公司

電話:15168870138
聯系人:龐經理

網址:http://www.euup.cn  

廠址: 德州市禹城市莒鎮產業園26棟

經銷商地址:天橋區建華五金市場東區5-1  

魯ICP備09095923號-1

新聞資訊

當前位置:首頁 / 新聞資訊

橋架內橫斷面填充率的驗收標準

   1、濟南電纜橋架(托盤)水平安裝時的距地高度一般不宜低于2.50m,垂直安裝時距地1.80m以下部分應加金屬蓋板保護,但敷設在電氣專用房間(如配電室,電氣豎井、技術層等)內時除外。
  1, the height of the ground should be lower than 2.50M when the cable tray is installed horizontally, and the metal cover shall be added to the 1.80m below.
  2、在電纜橋架布線時,其電纜不應有黃麻或其他易延燃材料外護層。
  2. When cable bridge cabling is used indoors, the cable should not have jute or other easy - to - burn material outer protective layer.
  3、電纜橋架與各種管道平行或交叉時,其小凈距應符合表DQ4-1的規定,電纜橋架不宜安裝在腐蝕性氣體管道和熱力管道的上方及腐蝕性液體管道的下方,否則應采取防腐、隔熱措施。
  3, when the cable bridge is parallel or crossing with all kinds of pipelines, its minimum net distance should comply with the regulation of table DQ4-1. The cable bridge shall not be installed below the corrosive gas pipeline and the heating pipeline and below the corro
sive liquid pipeline, otherwise, the corrosion protection and heat insulation measures shall be taken.
濟南電纜橋架
  4、在有腐蝕或特別潮濕的場所采用電纜橋架布線時,應根據腐蝕介質的不同采取相應的防護措施,并宜選用塑料護套電纜。
  4, when there are corrosive or especially wet places for cabling, the corresponding protective measures should be taken according to the different corrosive media, and plastic sheathed cables should be chosen.
  5、在電纜橋架上可以無間距敷設電纜,電纜在橋架內橫斷面的填充率:電力電纜不應大于40%;控制電纜不應大于50%。
  5, on the cable bridge, the cable can be laid at no distance, and the filling rate of the cable in the cross section of the bridge shall not be greater than 40%, and the control cable should not be greater than 50%.
  6、電纜橋架水平安裝時,宜按荷載曲線選取佳跨距進行支撐,跨距一般為1.5~3m。垂直敷設時,其固定點間距不宜大于2m。幾組電纜橋架在同一高度平行安裝時,各相鄰電纜橋架間應考慮維護、檢修距離。
  6. When the cable bridge is installed horizontally, the best span should be selected according to the load curve, and the span is generally 1.5 ~ 3M. The spacing of the fixed point should not be greater than 2m when vertical laying.  When several groups of cable bridges are installed at the same height, the distance between the adjacent cables should be considered for maintenance and maintenance.
  7、電纜橋架內的電纜應在下列部位進行固定。垂直敷設時,電纜的上端及每隔1.50~2m處。水平敷設時,電纜的首、尾兩端、轉彎及每隔5~10m處。
  7. The cable in the cable bridge shall be fixed in the following parts. When vertical laying, the upper end of the cable and every 1.50 to 2m. At the time of horizontal laying, the head and tail ends of the cable, the turn and every 5 to 10m.
  我們愿以佳的服務意識,迎接八方來客,誠懇與國內外各界朋友精誠合作,共創美好的前程。歡迎大家前來參觀洽談!
  We are willing to meet the eight parties with the best sense of service. We sincerely cooperate sincerely with friends from all walks of life at home and abroad to create a better future. Welcome everyone to visit and discuss!
 
qq
售前咨詢熱線
15168870138
售后咨詢熱線
13465410318
主站蜘蛛池模板: 俺来也俺来也天天夜夜视频 | 男女国产一级毛片 | 在线视频一区二区 | 大学生一级一片第一次欧美 | 国产精品天天爽夜夜欢张柏芝 | a级毛片在线看日本 | 亚洲天堂免费视频 | 在线观看免费国产成人软件 | 久久免费在线视频 | 免费 成年人| 国产黄色美女 | 成人午夜精品 | 二区三区在线 | 国内一级特黄女人精品片 | 国产精品久久久久久久久久直 | 免费观看成为人视频 | 亚洲综合色视频在线观看 | 国产成人丝袜网站在线观看 | 亚洲欧美中文在线观看4 | 国产精品一久久香蕉国产线看 | 悠悠影院欧美日韩国产 | 中国黄色一级大片 | 国产亚洲精品一区二区三区 | 久久不射网 | 综合精品 | cao草棚视频网址成人 | 在线久久 | 亚洲国产成人影院播放 | 亚洲小视频在线观看 | 天堂av影院 | 男女扒开双腿猛进入爽爽视频 | 国产乱子伦片免费观看中字 | 亚洲国产综合人成综合网站00 | 亚洲最新在线 | 精品国产_亚洲人成在线高清 | 中日韩精品视频在线观看 | 久久www免费人成_看片高清 | 99久久久国产精品免费播放器 | 欧美多人三级级视频播放 | 国产精品久久久久久久y | 国产欧美一区二区 |