Highway subgrade abutment back backfill gravel inverted filter paving device

The utility model provides a highway subgrade abutment back backfill gravel inverted filter paving device, which relates to the technical field of highway construction and comprises a vehicle body and an auxiliary part, two rolling wheels A are rotationally connected to the vehicle body, and two rolling wheels B are further rotationally connected to the vehicle body; four elastic telescopic rods are fixedly connected to the vehicle body through bolts, the head ends of the four elastic telescopic rods are fixedly connected with a mounting seat, and a paving pipe is fixedly connected to the mounting seat. The auxiliary groove is of a semi-cylindrical groove-shaped structure, and when the roller B rolls, the auxiliary groove and the paving pipe are in a continuous contact state, so that vibration of the paving pipe is realized, finally, stone blocks are further prevented from being blocked in the paving pipe, and the problems that firstly, a method which is commonly used at present is that a shovel is manually u