Limiting and guiding device for long-distance jacking of large-diameter jacking pipe inner sleeve steel pipe

The utility model relates to the technical field of pipe jacking construction, and discloses a limiting and guiding device for long-distance jacking of a large-diameter jacking pipe inner sleeve steel pipe, which comprises a group of mounting frames arranged in parallel in the front-back direction and a group of connecting rods fixedly connected between the group of mounting frames, a limiting guide assembly is mounted on the inner side of each mounting frame and comprises a supporting roller located on the lower portion of the middle and guide rollers located on the upper portions of the two sides. The inner sleeve steel pipe can be supported through the supporting roller and the guide roller in the limiting guide assembly, meanwhile, the height of the supporting roller is convenient to adjust, and therefore it is ensured that the inner sleeve steel pipe is located at the designed elevation position, and in the jacking process of the inner sleeve steel pipe, the lower portion of the inner sleeve steel pipe m