Building discharging platform

The utility model provides a building discharging platform, and relates to the technical field of discharging platforms. The problems that in the actual using process of an existing building discharging platform, the installation stability and safety of the existing building discharging platform cannot be monitored in real time conveniently, and rapid alarm prompting cannot be conducted conveniently when the problems of overload, hanging loosening and the like occur are solved. Comprising an unloading supporting and mounting part, and a hydraulic propelling auxiliary part is mounted on the unloading supporting and mounting part; two supporting and guiding parts are connected to the unloading supporting and mounting part in a sliding manner; the bottom of the hydraulic propulsion auxiliary part is fixedly connected with two supporting guide parts; a safety detection piece is fixedly connected to the bottom of the unloading support mounting piece; an alarm device is fixedly mounted on the hydraulic propulsion a