Multi-cascade plant light bar

The utility model discloses a multi-cascade plant light bar, relates to plant light bar cleaning technical field, including light bar body, sliding box and traversing rod, light bar body outer wall sliding connection sliding box, the bottom of sliding box is provided with the holding groove, and the holding groove is movably placed with the cleaning sponge, and the traversing rod is provided with the cleaning sponge. Vertical rods are symmetrically and slidably connected to the top of the sliding box, auxiliary wheels are rotatably connected to the bottoms of the vertical rods, and a plurality of butt joint assemblies for fixing the transverse moving rod and the sliding box in a butt joint mode are arranged on the transverse moving rod at equal intervals. The sliding boxes are arranged on the outer walls of the plant light bars in a sleeved mode, the cleaning sponge is arranged at the bottoms of the sliding boxes, the sliding boxes are fixed to the same transverse moving rod through the butt-joint assemblies,