Lane changing device

The embodiment of the utility model provides a lane changing device which comprises a lane changing assembly, and the lane changing assembly comprises a transversely-arranged guide sleeve, a driving device and a driving device. The transversely arranged guide post is sleeved on the inner side of the guide sleeve; the transverse telescopic mechanism is connected with the guide sleeve and the guide column and used for driving the guide column to stretch out and draw back in the transverse direction relative to the guide sleeve. The guide sleeve telescopic supporting leg is fixed to the end, away from the guide column, of the guide sleeve. The guide post telescopic supporting leg is fixed at one end, far away from the guide sleeve, of the guide post; the guide sleeve telescopic supporting leg and the guide column telescopic supporting leg are used for longitudinally stretching out and drawing back to drive the guide sleeve and the guide column to ascend and descend. According to the embodiment of the utility mod