The present invention and the body 110 is provided with a bracket 111 in the middle； A moving body 120 mounted to move in the longitudinal direction of the body 110； A support 130 installed at a lower side of the movable body 120 in a vertical direction and provided with a support bracket 131 at a front side thereof； It is fixed to the lower end of the support 130, a plurality of fastening holes 142 is formed in one side in the vertical direction, the lower portion is provided with an upper contact portion 141 to abut on the upper portion of the drive shaft (B) and the other side fixed holes ( An upper fixture 140 in which 143 is formed； A hinge hole 152 is formed at one side, and a plurality of coupling holes 154 are provided at the other side thereof, and a lower contact portion 151 is provided at an upper portion thereof to contact a lower portion of the driving shaft B, and the fastening hole 142 is provided. A lower fixture 150 having a hinge shaft 153 installed therethrough and a coupling shaft 155 to penetrate the coupling hole 154 at the same time； A fixing bracket 160 coupled to the other side of the upper fixture 140 and having a rotation shaft 161 at one side thereof； The rotating shaft 161 is installed to be rotated in the left and right direction, and a through hole 171 is formed at an upper side thereof, and a through shaft 172 is installed to simultaneously pass through the fixing hole 143 and the through hole 171. Being handle 170； A rotation body 180 installed to rotate in a vertical direction about a rotation shaft 181 formed at one middle side of the handle 170； To provide a harrow mounting device having an improved installation efficiency consisting of a fixing ring 190 is formed to be hung on the coupling shaft 155 is helically coupled to the lower side of the rotation body 180, the present invention is a rotor Since the operator can easily install on the drive shaft of which the diameter varies depending on the type of has the effect of increas
