Transition channel device for tower crane and building

The utility model discloses a transition channel device for a tower crane and a building, relates to the technical field of safety of tower cranes, solves the problems that a tower crane in the prior art is easy to shake to drive a walking board to shake, a driver inconveniently enters the tower crane through the walking board, the number of footholds of the walking board is small, and potential safety hazards are increased, and has the advantages of convenience in installation, safety and reliability. The transition channel device for the tower crane and the building has the beneficial effects that the transition channel device for the tower crane and the building can be disassembled and assembled according to the height of the tower crane, and the potential safety hazard that a driver enters an operation room through a walking board is completely eradicated. The end, close to the secondary platform, of the first platform and the end, away from the first platform, of the secondary platform are rotationally c