Device is maintained to highway road surface lane cut -off rule

The utility model relates to an auxiliary equipment's technical field is maintained to the cut -off rule, especially relates to a device is maintained to highway road surface lane cut -off rule, and its push rod height can be adjusted according to staff's height, improves its adaptability, and it is comparatively various that the working chamber holds the colour, reduce it and use the limitation,and the work box clearance is comparatively convenient to improve its practicality, including work box, spliced pole, push rod, communicating pipe, bottom plate and four group's landing legs, the workbox top is provided with the feed inlet, and feed inlet department is provided with and keeps off the lid, the spliced pole is including inserting post and intubate, and the intubate left side is provided with the spacing hole in a plurality of left sides, and the intubate right side is provided with the spacing hole in a plurality of right sides, still includes bolt and nut, and the bolt left end is provided with and rev