Inspection hole cover plate of floating slab track bed

The utility model discloses an inspection hole cover plate of a floating slab track bed, which belongs to the technical field of tracks and comprises a cover plate assembly and a drainage assembly, the drainage assembly is mounted at the bottom of the cover plate assembly and penetrates through the cover plate assembly, and the drainage assembly comprises a first drainage mechanism and a second drainage mechanism. The first drainage mechanism is arranged above the second drainage mechanism and communicates with the second drainage mechanism, during use, water enters a groove, converges towards the center through an inner concave arc surface and enters a drainage hole, and through cooperation of a through groove and a water suction pump, the water can enter a bent pipe and a branch pipe and is discharged from an outlet pipe; when water is too much, the water level rises to the height of the water inlet tank, so that the water enters a vertical pipe and enters an outlet pipe, the water is discharged outwards th