Pipeline construction clamping device

The utility model discloses a clamping device, and particularly relates to a pipeline construction clamping device which comprises a bottom plate, a transmission shaft is rotatably connected to the front of the bottom plate, a rocker is fixedly connected to the left end of the transmission shaft, a first lead screw is fixedly connected to the right end of the transmission shaft, a limiting block is rotatably connected to the right end of the first lead screw, and the limiting block is fixedly connected with the bottom plate. The middle of the first lead screw is in threaded connection with a first push block, and the upper portion and the lower portion of the left side of the bottom plate are fixedly connected with a first guide block. A first push block moves leftwards under the action of a first limiting block through threaded connection, a connecting rod and a rolling wheel move leftwards through a push rod, the rolling wheel rolls in a first sliding groove and a second sliding groove to enable the first s