Line protection device for pipeline connection

The utility model relates to the technical field of line protection, in particular to a line protection device for pipeline connection, which comprises a protection shell, the protection shell comprises a base and a movable plate hinged to the top surface of the base, a pipeline is arranged at the abutting position of the base and the movable plate, and a pressure-resistant pipe is arranged in the pipeline. A fixed inner pipe is connected to the interior of the compression-resistant pipe through a damping device, the fixed inner pipe is filled with heat insulation rubber, and a plurality of line pipes are regularly distributed in the heat insulation rubber; according to the line protection device for pipeline connection, the protection shell can play a role in protecting the internal pressure-resistant pipe, the protection shell made of a metal material has high pressure resistance, the protection shell is composed of the base and the movable plate, and the movable plate can be turned over through the lock ca