Labor-saving weeding device

The labor-saving weed extractor comprises a hoe handle 1, a hoe trouser 2 and a hoe 3, the hoe 3 comprises a main beam 4, a pair of side plates 5, a pair of discs 6, a hob 7, a supporting leg 8 and a walking wheel 9, the hoe trouser 2 is welded to the middle of the outer face of the main beam 4, the hoe handle 1 is sleeved with the other end of the hoe trouser 2, and the side plates 5 are symmetrically and vertically welded to the two ends of the main beam 4. Bearing seats 11 are fixedly arranged on the inner side faces of the front ends of the pair of side plates 5, bearings are arranged in the bearing seats 11, a rotating shaft 10 is fixedly connected in the bearings, the other end of the rotating shaft 10 is connected with the pair of discs 6 which are symmetrically arranged, a plurality of hobs 7 are evenly arranged between the outer circumferential faces of the inner side faces of the pair of discs 6, the hobs 7 are rectangular blades, and the hobs 7 incline towards the advancing direction. The included