Opening protection assembly of immersed tube steel shell: Fid-Bau Portal

Opening protection assembly of immersed tube steel shell

LAI WEIGUO / LIU ZHENGPEI

The invention discloses an opening protection assembly of an immersed tube steel shell. The opening protection assembly comprises a protection net and at least two limiting pieces, wherein the protection net covers the opening end of an opening; the protection net comprises a protection net body and reinforcing pieces wound around the periphery of the protection net body; the limiting pieces are arranged on the side face, right opposite to the opening, of the protection net body in a protruding manner; and the limiting pieces are inserted in the opening. The protection net body covers the opening end of the opening, the protection function is provided through the protection net body, workers are prevented from falling or falling injuries from the opening and large objects are prevented from falling into the opening during manufacturing of an immersed tube tunnel, and the construction safety of the immersed tube tunnel can be effectively guaranteed. The reinforcing pieces are arranged on the periphery of the protection net body, the strength of the overall structure of the protection net is guaranteed through the reinforcing pieces, and the possibility of deformation of the protection net is reduced. The limiting pieces are inserted in the opening so that the protection assembly can be partially limited in the opening, and accordingly the protection net body is prevented from falling off from the opening.

本发明公开一种沉管钢壳的开孔防护组件，包括防护网和至少两个限位件，防护网盖设在开孔的开口端，防护网包括防护网本体以及绕设在防护网本体外周部的加强件，限位件凸出设置在防护网本体正对开孔的一侧面，限位件插设在开孔的内部。将防护网本体盖设在开孔的开口端，通过防护网本体提供防护作用，在沉管隧道制造时防止工人从开孔处跌落或摔伤以及防止大块物体跌落至开孔内部，可有效地保证沉管隧道的施工安全；在防护网本体的周部设置加强件，通过加强件保证防护网整体结构的强度，降低防护网发生变形的可能性；限位件插设至与开孔内部，以将防护组件部分限制在开孔内部，从而防止防护网本体从开孔上脱落。

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