Construction waste crushing device

The utility model relates to the technical field of construction waste crushing, and discloses a construction waste crushing device, which solves the problems that the bottom of the construction waste crushing device in the current market is not provided with a sliding device, so that more manpower and material resources are wasted during movement, and the working efficiency is greatly reduced. A shell is fixedly connected to the top of the bottom plate, a power set is arranged in an inner cavity of the shell, a smashing bin is arranged at the top of the shell, a smashing device is arranged in an inner cavity of the smashing bin, the power set in the inner cavity of the shell can drive the power set in the inner cavity of the smashing bin to rotate, and a feeding port is formed in the inclined upper portion of the smashing bin. A sliding groove is formed in the base, a clamping plate is inserted into an inner cavity of the sliding groove in a sliding mode, two side plates are fixedly connected to the bottom o