Concrete crushing device for building pavement

The concrete crushing device for the building pavement comprises a fixing frame, a crushing device body on the fixing frame and a movable base structure located at the bottom end of the fixing frame,the fixing frame comprises four vertical rods arranged in a matrix mode, an upper connecting rod is connected to the upper end between the two vertical rods on the two sides, and a lower connecting rod is connected to the lower end of the upper connecting rod. An upper connecting rod is connected between the two upper connecting rods, a sliding hole is formed in the middle of the upper connectingrod in a penetrating mode, a lower connecting rod is connected to the lower end between the two vertical rods on the two sides, a lower connecting rod is connected between the two lower connecting rods, and two parallel fixing blocks are fixedly arranged on one side of the lower connecting rod. The crushing device is driven by the defective gear to move upwards and extrude the spring, so that thedevice has larger potential