Sliding type adjustable antiskid wrench

The utility model belongs to the technical field of power plant maintenance devices, and provides a sliding type adjustable antiskid wrench which comprises a wrench head and a wrench handle, the wrench head is connected with the wrench handle, the wrench handle is sleeved with an adjusting block capable of sliding in the length direction of the wrench handle, the adjusting block is adjustably connected to the wrench handle through a jackscrew, and a first clamping jaw is arranged at the upper end of the adjusting block. Two second clamping jaws are arranged at the upper end of the wrench headportion, the first clamping jaw and the two second clamping jaws are arranged in a triangular mode, the distances between the two second clamping jaws and the first clamping jaw are the same, the wrench handle is detachably sleeved with a power-assisted sleeve, and the end, away from the wrench head portion, of the power-assisted sleeve is provided with an anti-skid sleeve with a holding mark. Themiddle of the power-assis