< Topic >The fruit which is cultivated with the fruit tree shelf being fanned to gale of the typhoon and the like, in order to prevent the damage which drop is done, being lightweight, quickly, offer the auxiliary support for the fruit tree shelf reinforcement whose at the same time are easily installation and removal possible.SolutionsThe inside pipe (1) and to consist of the outside pipe (2), with the inside pipe (1) and the outside pipe (2) to be constituted by nested system, to axial direction the time dynamic possible auxiliary support (P) being retractable and lap the axial core is centered abbreviation to direction, the inside pipe (1) the top (10) the hub which is arranged (3) and the outside pipe (2) the top (20) the retention section which is arranged in the vicinity (5) and the outside pipe (2) the bottom (21) be arranged, being formed the cylindrical steel by coiled and the screw pile which becomes have (4), being fanned to gale, dropThe fruit which feels concern (Fd) the branch which bears fruit (B) or X axial branch line which is the constitution component of the fruit tree shelf (62), the Y-axis branch line (63) and the like supporting with the hub (3), it prevents typhoon damage.< Selective figure >Figure 1【課題】果樹棚で栽培される果実が台風等の強風に煽られて落果する被害を予防するため、軽量で迅速に、かつ容易に設置、撤収が可能な果樹棚補強用の補助支柱を提供すること。【解決手段】内パイプ(1)と外パイプ(2)からなり、内パイプ(1)と、外パイプ(2)とで入れ子式に構成され、軸方向へ伸縮自在かつ軸芯を略中心とする周方向へ回動可能な補助支柱(P)であって、内パイプ(1)の上端部(10)に配置される受け部(3)と、外パイプ(2)の上端部(20)近傍に配置される保持部(5)と、外パイプ(2)の下端部(21)に配置され、棒状鋼材をコイル状に形成されてなるラセン杭(4)とを備え、強風に煽られて落果が懸念される果実(Fd)が実った枝(B)または果樹棚の構成部材であるX軸支線(62)、Y軸支線(63)などを受け部(3)で支持して台風被害を予防する。【選択図】図1
