Insertion core connecting structure of cross-laminated wood in space staircase

The utility model discloses an insertion core connecting structure of orthogonal laminated wood in a space stair, which comprises inclined stair beams and a step beam fixedly arranged between the two inclined stair beams, and further comprises an anti-shearing insertion core, a square hole which is through left and right is arranged in the step beam, an insertion groove is arranged on the inner side surface of the inclined stair beam, a step end of the anti-shearing insertion core is inserted into the square hole, and a step end of the anti-shearing insertion core is inserted into the insertion groove. The step end of the anti-shearing inserting core is matched with the square hole, the ladder beam end of the anti-shearing inserting core is inserted into the inserting groove, and the ladder beam end of the anti-shearing inserting core is matched with the inserting groove; the utility model provides an insertion core connecting structure of orthogonal laminated wood in a space stair, which can effectively prev