Sweeping device and solar lamp

The invention discloses a sweeping device and a solar lamp, and belongs to the technical field of illumination. The sweeping device comprises: a motion control assembly, wherein the motion control assembly comprises a driving part, a synchronous wheel, a synchronous belt and a sliding block, the synchronous wheel is connected with the driving part, the synchronous belt is connected with the synchronous wheel to form a synchronous belt transmission structure, and the sliding block is fixedly connected with the synchronous belt; a sweeping assembly which is fixedly connected with the sliding block, wherein the sweeping assembly is driven by the sliding block to move in a preset area; and an installation support which is connected with the sweeping assembly, wherein the installation support is used for being detachably installed on a solar lamp. According to the sweeping device, an independent structure is adopted, the sweeping device is detachably installed on various solar lamps, afterthe sweeping device is in