Coal mine pavement slab made of polyethylene material

The utility model discloses a coal mine pavement slab made of a polyethylene material, which comprises a slab body, a first connecting block is arranged on one side of the slab body, the first connecting block is fixedly connected with the slab body, and a second connecting block is arranged on the other side of the slab body. The two ends of the side, away from the first connecting block, of the panel body are each provided with two second connecting blocks, the second connecting blocks are fixedly connected with the panel body, sliding grooves are formed in the first connecting blocks, and the two ends of each sliding groove are slidably connected with limiting plates; bolts are fixedly connected to one sides of the two limiting plates, the ends, away from the limiting plates, of the bolts penetrate through the first connecting block and extend to the outer side of the first connecting block, and a dismounting mechanism matched with the bolts is arranged in the second connecting block. And through the arran