Anti-collision and anti-damage road height limiting frame

The invention belongs to the field of height limiting frames, and particularly relates to an anti-collision and anti-damage road height limiting frame, anti-collision blocks with buffer assemblies arefixedly mounted on one sides of a first vertical plate and a second vertical plate on the two sides of the top of a base, a height limiting plate is rotatably mounted on one side of the first vertical plate, and a middle block is fixedly mounted on one side of the first vertical plate; the tops of the sliding plates on the inner walls of the two sides of the cavity are in transmission connectionwith the tops of the height limiting plates, the bottoms of the sliding plates are in transmission connection with the two sides of a rack plate and are in sliding connection with the inner walls of the two sides of the cavity correspondingly, and a vertical plate is fixedly installed at the bottom of the middle block, the bottom of the rack plate extends into the vertical channel of the verticalplate and is in sliding con