Self-climbing shaftway operation platform

The invention discloses a self-climbing shaftway operation platform comprising an upper support device, a lower support device, a polished shaft and a lifting device. The two ends of the polished shaft are connected with a lifting device upper platform and a lifting device lower platform separately; the lifting device lower platform is connected with the polished shaft through a polished shaft nut; the polished shaft in the middle is a ball screw; the polished shaft nut connected with the ball screw is connected with a speed reduction device and a servo motor; the upper support device comprises two sets of support portions movably connected with the lifting device upper platform; each set of support portion comprises two support rods; a wall attachment board is connected with the bottoms of the two support rods of each set of support portion through rotary shafts; electric cylinders are connected between the support portions and the lifting device upper platform as well as between thetwo sets of support porti