Crawler self-propelled weeding machine

The crawler self-propelled weeding machine comprises a weeding supporting plate, a movable groove is formed in the weeding supporting plate, a movable supporting plate is movably inserted into the movable groove, the two ends of the movable supporting plate penetrate through the movable groove and extend to the outer portion of the weeding supporting plate, and ten grass dividing grooves are formed in one side of the weeding supporting plate. The weeding device has the advantages that the movable grooves are formed in the weeding supporting plates, so that the movable inserting effect on the movable supporting plates is achieved, the connecting supporting rods are movably inserted into the grass dividing grooves, the rotating shaft rods are fixedly sleeved with the rotating discs in a matched mode, and therefore the lap joint arc plates are in contact with the cylindrical supporting rods; the crawler self-propelled weeding machine has the advantages that the crawler self-propelled weeding machine is provided