Tower crane buffering device and tower crane

The utility model provides a tower crane buffer device and tower crane, it includes: buffer subassembly, including the installation cylinder and be accommodated in the elastic buffer piece and pressure plate in the installation cylinder, the pressure plate along up and down direction divides the installation cylinder into lowering rebound chamber and hoisting compression chamber, the elastic buffer piece is located in the hoisting compression chamber, the upper end of installation cylinder is used for connecting the hook of tower crane; the connecting assembly comprises a suspender and a limiting piece located in the lowering rebound cavity, the limiting piece is in limiting connection with the suspender and used for abutting against the pressing plate, the lower end of the suspender extends out of the mounting cylinder and is used for being connected with a heavy object, and the limiting piece can move relative to the suspender so as to adjust the initial compression amount of the pressing plate on the elast