Block is prevented to SB level wave form roof beam guardrail

The utility model provides a block is prevented to SB level wave form roof beam guardrail, including roof (1), the front end setting of roof (1) is used for being connected fixed wave form roof beam guardrail with wave form roof beam guardrail and connects fixed unit, the rear end of roof (1) sets up and is used for the solid stand to the stand of card to connect fixing the unit, the stand is connected fixed unit and is included left side board (7), right side board (8), left side elongated panel (9), right side elongated panel (10), vertical floor (11), horizontal floor (12) and erect baffle(13). The advantage does: the utility model discloses completely need not change the stand, only need increase and prevent block, can realize the effect that SB level wave form roof beam guardrail board increases, have the advantage that the reconstruction of SB level wave form roof beam guardrail board is with low costs, construction period is short, the work progress is simple and convenient, owing to completely need no