Anti-jumping and anti-falling device for arc-shaped roller transmission belt

The utility model discloses an anti-jumping and anti-falling device for an arc-shaped roller transmission belt. The anti-jumping and anti-falling device comprises a limiting mechanism, a mounting frame and an adjustable connecting seat, the limiting mechanism comprises an upper limiting column and a lower limiting column; the upper limiting column and the lower limiting column are both verticallyarranged. The upper limiting column and the lower limiting column are rotationally connected with the mounting frame, the upper limiting column corresponds to the upper side of the transmission belt and is provided with an upper anti-bouncing groove, a gap is formed between the upper limiting column and the transmission belt, and the lower limiting column corresponds to the lower side of the transmission belt and is provided with a gap and a lower anti-bouncing groove. The mounting frame is fixedly connected with the arc-shaped rack through an adjustable connecting seat; the transmission beltcan be prevented from fall