A large span cable bridge is equipped with a cover plate, which needs to be explained at the time of order, or to be ordered by the type of cover plate.

大跨距電纜橋架共包括大跨距的梯級、托盤、槽式、重載荷梯架、直角三通、多節三通、直角四通，以及相應型號的連接件，蓋板和支柱。

The long span cable bridge consists of large-span cascade, pallet, trough type, heavy-duty ladder rack, right angle three way, multi section three way, right angle four way, and the corresponding type connection piece, cover plate and pillar.

大跨距電纜橋架表面處理分塑料噴塑、鍍鋅，或烤漆等處理。在腐蝕性環境中，可選用經過塑料噴涂處理的橋架，在一般大氣防腐環境中可選用鍍鋅處理的橋架。

The surface treatment of large span cable bridge is treated by plastic spray, galvanizing, or baking varnish. In corrosive environment, a bridge with plastic spraying can be selected and the galvanized bridge can be used in the general atmosphere anticorrosion environment.

1.可以避免金屬護欄在高電磁場下的電磁感應帶來的發熱、高感應電壓問題，不會對變電設備產生損壞，避免運行維護人員遭受電擊。

1., it can avoid the problem of heating and high induction voltage caused by electromagnetic induction in metal guardrail under high electromagnetic field. It will not damage the substation equipment and avoid running and maintenance personnel suffering from electric shock.

2.耐候性好，在濕熱狀態下不發生氧化銹蝕，不褪色，不需刷油漆保護，不用日常護理，不怕雷擊。

2. good weather resistance, in the hot and humid state of no oxidation corrosion, color fading, no paint protection, no daily care, not afraid of lightning.

3.耐腐蝕，在10%的硫酸、20%的硝酸、、50%的醋酸長期作用下不受影響。

3. corrosion resistance is not affected by the long-term effect of 10% sulfuric acid, 20% nitric acid, and 50% acetic acid.

4.電纜橋架耐撞擊易復原，受到物體撞擊后彈性大，能恢復到原形狀，拉伸、彎曲強度為600pa以上，抗疲勞能力約為鋼材的50倍。

4., the cable bridge is easy to recover from impact and is resilient after impact. It can restore to the original shape. Its tensile and bending strength is above 600Pa, and its fatigue resistance is about 50 times that of steel.

 

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