Vertical pipeline aligning device for buried sewage treatment plant

The invention discloses a buried sewage treatment plant pipeline vertical opening aligning device which comprises an upper rotating disc, a supporting rod, a clamping plate, a spring, a lower chassis, a limiting plug pin, a limiting disc, a sliding groove, an upper handle, a lower handle, a base, a sliding groove base and a rubber pad. The upper rotating disc drives the supporting rod to rotate, the clamping plate is driven by the shaft to move on the grooved rail, friction force is increased through the rubber pad of the clamping plate, and therefore the vertical pipe is tightly clamped, the limiting plug pin and the limiting disc can control the opening and closing angle of the supporting rod, the device can be suitable for more vertical pipes with different pipe diameters, the device can be stably placed on the base, and workers can conveniently conduct the next procedure. The device has the advantages that the vertical pipe butt joint operation difficulty is greatly reduced for the narrow space of a burie