Divided into two types of rotary and mechanical, clean up between the sleeper and the sleeper stone, can quickly clean the bottom of the rail slab stone.
| Serial number | name | item | Standard parameter value |
| 1 | Rotate the slag hopper | Width (mm) | 245 |
| 2 | Height (mm) | 950 | |
| 3 | Depth (mm) | 350 | |
| 4 | material | Q460+WH60C | |
| 5 | Rotation Angle | 360° | |
| 6 | Somersault teeth (set) | 2 |