Fixture for pipeline thickness gauge

The utility model discloses a fixture for a pipeline thickness gauge, which comprises a handle and a cylinder. The handle is fixedly disposed at the bottom of the cylinder, a cylindrical groove is arranged in the cylinder, a screw hole is arranged on one side of the cylinder, a screw is fastened into the screw hole, and a measuring head can be fixed into the cylindrical groove. The measuring head can contact with a measurement-required position of a pipeline conveniently after the handle is held by a human hand, and measurement for all parts of the pipe can be carried out conveniently. The fixture has the advantages of simplicity in use, convenience in operation, capability of measurement at high temperature and in narrow space, and the like.