Hand-held three-point clamping type winter jujube girdling device with semi-circular surface cutter head

The invention provides a hand-held three-point clamping type winter jujube girdling device with a semi-circular surface cutter head. The girdling device comprises a clamp and the semi-circular surfacecutter head, wherein the clamp comprises a movable clamp body and a fixed clamp body, and a handle, a linkage plate, the semi-circular surface cutter head, a angle adjusting bolt and a force application shaft; a pin shaft penetrates through a hole between the semi-circular surface cutter head and the force application shaft and is arranged in the force application shaft; the included angle formedby the semi-circular surface cutter head and the force application shaft is 90-150 degrees, the angle adjusting bolt is connected with the semi-circular surface cutter, the angle adjusting bolt is rotated, and the semi-circular surface cutter head rotates around the pin shaft, so that the included angle between the semi-circular surface cutter head and the handle is changed; the handle, the linkage plate and a clamping ci