1. Maintenance boom
2. Dust-proof chain
3. Side liner
4. Impact rack
5. Impact liner
6. Heavy rotor
7. Flat hammer
8.Flat hammer fixing device
9. Frame
10. Hydraulic lifting device
11.Hydraulic opening and closing
12. Pulley
3. Side liner
4. Impact rack
5. Impact liner
6. Heavy rotor
7. Flat hammer
8.Flat hammer fixing device
9. Frame
10. Hydraulic lifting device
11.Hydraulic opening and closing
12. Pulley