Grouting device for pipe jacking construction

The utility model belongs to the technical field of pipe jacking construction, and particularly relates to a grouting device for pipe jacking construction. The grouting device for pipe jacking construction comprises a mounting pipe and a lining pipe arranged on the mounting pipe in a sleeving mode, an elastic wrinkled air cushion ring is arranged between the mounting pipe and the lining pipe, and the outer pipe wall of the mounting pipe is fixedly sleeved with the inner ring face of the elastic wrinkled air cushion ring; the outer ring surface of the elastic wrinkled air cushion ring is fixedly embedded into the inner pipe wall of the lining pipe; the lining pipe is composed of a plurality of lining arc plates, a mounting cavity is formed in the outer wall of each lining arc plate, a grouting pipe is fixedly embedded in each mounting cavity, and slurry discharging holes are formed in the pipe wall of each grouting pipe. Compared with a traditional one-time grouting mode, the grouting device for pipe jacking c