Device for testing adhesive force of overhead cable

The utility model discloses a device for testing adhesion of an overhead cable, which is characterized in that a clamp is connected with a clamping block through a sample tube, the clamp comprises anupper chuck body, an upper chuck is arranged above the clamp, an upper chuck body matched with the upper chuck body is arranged at the top end of the upper chuck body, and a lower chuck body matched with the upper chuck body is arranged at the bottom end of the upper chuck body. A transverse insulating check ring is installed in the bottom end of the upper chuck body, a pressing ring is installedat the bottom end of the upper chuck body, a thrust bearing is installed on the inner side of the pressing ring, the clamping block comprises a lower chuck and a lower clamp body, a lower chuck is installed at the top end of the lower clamp body, and a chuck block is installed in the lower clamp body. Guide rails are installed at the two ends of the lower clamp body, and the surfaces of the guiderails are fixed to the lowe