Self-climbing robot for installing elevator guide rail

The invention discloses a self-climbing robot for installing an elevator guide rail. The self-climbing robot comprises a climbing moving platform, a working moving platform, a rectangular parallelepiped frame and a PLC control unit. The frame is sequentially fixed with a first platform, a second platform and a third platform and a fourth plat form bottom to top. The top end of a vertically disposed screw is fixedly connected to the fourth platform, and the bottom end of the screw is fixedly connected to the first platform; the climbing moving platform and the working moving platform are provided with a nut matching the screw and a driving mechanism capable of driving the rotation of the nut respectively; the driving mechanism comprises a driving motor and a pulley box; the working moving platform is located above the climbing platform; the climbing moving platform and the working moving platform are slidingly connected with the frame, and the climbing moving platform and the working moving platform can only s