PROBLEM TO BE SOLVED: To provide an offshore wind turbine installation method capable of reducing work expenditures not using SEP but using a fixed type lift work table.SOLUTION: On a work table 5 are installed separated towers 14, a nacelle 15 and blades 17. A lift work table 1 is placed on floaters 9 under a state in which lift legs 3 are not reached to a water bottom 19, towed while being floated on the water surface 21 and transported to a prescribed water area. Then, the lift legs 3 are lowered down to the water bottom 19 with lifting devices 7 and supported at the water bottom 19, the work table 5 is lifted up to a prescribed level on the water surface 21. Additionally, the floaters 9 are removed from the lift legs 3 and moved out of the prescribed water area. Then, a pile 25 is driven into the water bottom 19 under application of a jib crane 11 installed on the work table 5 while a recess part 23 at the work table 5 is applied as a work space, the divided towers 14 are connected in sequence on the piles, the nacelle 15 and the blades 17 are connected on the towers 14 to complete an offshore wind turbine.SELECTED DRAWING: Figure 1
【課題】SEPを使用せずに固定式の昇降式作業台を用いることにより、工費を削減できる洋上風車の設置方法を提供すること。【解決手段】作業台5上に分割されたタワー14、ナセル15、ブレード17を載置し、昇降レグ3が水底19に達していない状態で、昇降式作業台1をフロータ9に乗せて水面21で浮遊させて曳航し、所定の水域に運搬する。そして、昇降装置7で昇降レグ3を水底19まで下降させて水底19に支持させ、作業台5を水面21上の所定の高さまで上昇させる。また、フロータ9を昇降レグ3から取り外して水域外に移動させる。次に、作業台5上に設置されたジブクレーン11を用い、作業台5の切欠き部23を作業空間として、水底19に杭25を打ち込み、分割されたタワー14を杭上に順次接続し、ナセル15およびブレード17をタワー14上に接続し、洋上風車の組み立てを完了する。【選択図】図1
OFFSHORE WIND TURBINE INSTALLATION METHOD
洋上風車の設置方法
2016-09-29
Patent
Electronic Resource
Japanese
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