Connecting device and connecting method for PE gas pipeline

The invention discloses a connecting device and method for a PE gas pipeline, and belongs to the technical field of pipeline connection. Comprising a rack; the clamping mechanism is arranged in the rack, the clamping mechanism comprises two sets of clamping blocks, and the two sets of clamping blocks are used for clamping the ends of the two PE gas pipelines correspondingly; the butt joint mechanism is arranged on the outer side of the rack and used for driving the clamping mechanism to conduct butt joint action of the two PE gas pipelines; the hot melting mechanism is arranged on the inner side of the rack, and the hot melting mechanism comprises two hot melting rings and is used for heating the connecting ends of the two PE gas pipelines; the driving mechanism is arranged at the top of the rack and used for driving the two hot melting rings to be stored; according to the gas pipeline butt joint device, due to the fact that the mechanism facilitating clamping and loosening of the pipeline is adopted, the pro