昆明橋架廠認真學習跨越河道或排洪渠電纜橋架結構專利

昆明橋架廠認真學習跨越河道或排洪渠電纜橋架結構專利

       隨著城市的發展建設，為美化環境及減少架空輸電線路對城市環境的影響，城市內架空輸電線路已越來越少，主要采用電纜敷設方式。高壓電力電纜跨越河道或排洪渠時，常用的敷設方式有頂管、鋼筋混凝土隧道、角鋼桁架跨越。頂管施工較為復雜，鋼筋混凝土隧道不便于運行檢修，角鋼桁架整體性與耐腐蝕性能相對較差。
        為了克服上述現有技術中的不足，本實用新型提供了一種跨越河道或排洪渠的、施工簡單、方便運行檢修、整體性好、耐腐蝕性能好的電纜橋架結構。一種跨越河道或排洪渠的電纜橋架結構，包括采用鋼筋混凝土梁式結構設計的橫梁側壁、橋架底板、蓋板及用于支撐電纜橋架的灌注樁基礎，其中所述蓋板開合式蓋置于橫梁側壁上方，所述橋架底板固定于橫梁側壁下方，由此形成電纜安置通道，所述灌注樁基礎分設于河道或排洪渠兩側。所述電纜安置通道內對稱的設置有若干電纜支架，其固定于所述橫梁側壁內壁。電纜支架于固定端相對的一端設置有用于防止電纜滾動的凸沿。橫梁側壁內壁上端設置有用于安裝蓋板的一級安裝臺，安裝于其上的蓋板結合橫梁側壁及橋架底板形成一級電纜安置通道。電纜安置通道下端設置有小型橫梁側壁及小型蓋板，所述小型橫梁側壁內壁上端設置有用于安裝小型蓋板的二級安裝臺，安裝于其上的小型蓋板結合小型橫梁側壁及橋架底板形成二級電纜安置通道。灌注樁基礎包括基樁與承臺，其中所述承臺上端開設有嵌置槽，所述橫梁側壁及橋架底板均嵌置于其中。對于跨越河道或排洪渠的電纜橋架，本實用新型采用鋼筋混凝土梁式結構設計，使電纜橋架雙側懸挑，結構受力合理，且能與橋梁等周邊環境協調，同時電纜橋架的蓋板可打開，方便運行檢修，施工簡單，適用性強且利于推廣，從而可以大大提高經濟效益與環境效益。
        Kunming bridge factory carefully studies the structure patent of cable bridge across river channel or drainage channel
With the development and construction of the city, in order to beautify the environment and reduce the influence of overhead transmission lines on the urban environment, there are fewer and fewer overhead transmission lines in the city, and cable laying is mainly adopted. When the high-voltage power cable crosses the channel or the drainage channel, the commonly used laying methods include top pipe, reinforced concrete tunnel and Angle steel truss. The top pipe construction is complicated, reinforced concrete tunnel is not easy to operate and overhaul, and the integrity and corrosion resistance of Angle steel truss are relatively poor.
In order to overcome the deficiency of the existing technology, the utility model provides a cross rivers or having drainage, simple construction, convenient operation, maintenance, integral sex is good, good corrosion resistance of cable bridge structure. A cable bridge across river or having canal structure, including the structural design of the reinforced concrete beam, bridge plate, plate and beam wall is used to support cable bridge pile foundation, wherein cover open jewels covered in beam wall above, described bridge plate fixed in the bottom bar side, placed the resulting cable channels, described in the pile foundation set up on or having canal on both sides of the river. A number of cable supports are symmetrically arranged in the cable placement channel and fixed on the inner wall of the lateral wall of the beam. The cable holder is provided with a flange at the opposite end of the fixed end to prevent the cable from rolling. The upper end of the inner wall of the beam side wall is provided with a first-stage installation platform for installing the cover plate. The cover plate installed on it combines the side wall of the beam and the bottom plate of the bridge frame to form a first-stage cable placement channel. Place for cable channel setting of bottom has a small beam wall and small plate, described in the small beam wall wall top set is used to set up small cover plate of the secondary installation units, installed on the small plate combined with small beams on the lateral wall and bridge floor formed secondary cable channel. The cast-in-place pile foundation comprises a foundation pile and a bearing platform, wherein the upper end of the bearing platform is provided with a built-in slot, and the lateral wall of the beam and the bottom plate of the bridge frame are embedded therein. For cable bridge across the river or having canal, the utility model adopts the design of reinforced concrete beam structure, make the cable tray bilateral cantilever, reasonable structure, and can be coordinated with surrounding environment, such as Bridges, cable tray cover can be opened at the same time, the convenient operation maintenance, simple construction, high applicability and conducive to the promotion, thus can greatly improve the economic benefits and environmental benefits.