Auxiliary device for dragging and fixing system extension belt

The utility model discloses a system extension belt dragging and fixing auxiliary device, and relates to the technical field of belt dragging, the system extension belt dragging and fixing auxiliary device comprises two clamping assemblies, and the clamping assemblies are used for clamping and fixing a belt; the transmission assembly is arranged on one side of the clamping assemblies, one end of the transmission assembly is connected with the two clamping assemblies, and the transmission assembly is used for driving the clamping assemblies to clamp and fix a belt; one end of the transmission assembly is connected with the clamping assembly, the pulling assembly is arranged at the other end of the transmission assembly, the pulling assembly is used for pulling the transmission assembly so as to drive the clamping assembly to clamp and fix a belt, the clamping assembly comprises a clamping plate, and a mounting groove is formed in the surface of the top of the clamping plate. And the situations of falling and r