Adhesive tape joint structure and manufacturing method thereof

The invention discloses an adhesive tape joint structure which comprises an original adhesive tape layer, a new adhesive tape layer is arranged on the original adhesive tape layer, the original adhesive tape layer comprises a working face adhesive part A, a first layer of canvas A, a second layer of canvas A and a third layer of canvas A, and the new adhesive tape layer comprises a working face adhesive part B, a first layer of canvas B, a second layer of canvas B and a third layer of canvas B; and a reinforcing layer is arranged above the first layer of canvas A and between the working face rubber part A and the working face rubber part B, and comprises a fourth layer of canvas and a working face rubber part C. The service life of the heat-resistant belt in a high-temperature environment can be effectively prolonged, namely, the rubber layer with the width of 50MM is additionally arranged on the working face at the joint of the two belts and is used for filling the canvas, so that the service life of the hea