Pipeline connecting structure for municipal engineering construction

The utility model belongs to the technical field of construction, and discloses a municipal engineering construction pipeline connecting structure which comprises a base, a connecting mechanism is arranged in the base, and the connecting mechanism extends to the outer side of the base; the two handles are pulled reversely, the four positioning frames move reversely in pairs, after the distance between every two positioning frames is adjusted to the proper length, the inner ends of the first pipeline and the second pipeline can penetrate through the four positioning frames correspondingly, the inner ends of the first pipeline and the second pipeline are tightly attached, and after positioning work is completed, the two handles are loosened, and the two positioning frames are fixed. The four first springs are not stressed, positioning of the first pipeline and the second pipeline is completed through the four arc-shaped frames, the second springs and the four positioning frames, through the structure, the first