Clamping device for wire installation

The invention discloses a clamping device for wire installation. The clamping device comprises a connecting base, a clamping groove, a first arc-shaped sliding block, a first arc-shaped sliding groove, a first driven belt wheel, a first clamping and tightening belt, an adjustable clamping mechanism, a one-way driving mechanism, a first driving belt wheel, a second driving belt wheel, a first guide groove, a locking screw, a movable block, a second driven belt wheel, a second arc-shaped sliding groove and the like. A first locking head or a second locking head drives a double-end stud to rotate, the double-end stud rotates to drive a first sliding base and a second sliding base to move inwards at the same time, the first sliding base and the second sliding base move inwards at the same time, a telegraph pole can be clamped through a second clamping block and a first clamping block, and therefore follow-up wire clamping installation is facilitated; the convenience in use is also improved; according to the adjus