Baby walker based on ultrasonic waves

The invention discloses a baby walker based on ultrasonic waves. The baby walker comprises a walker main body, supporting frames are fixedly connected to the two sides of the walker main body. A firstsupport is arranged in the middle of the supporting frames. A second bracket is mounted in the first bracket; a seat is fixedly connected to the second bracket; limiting belts are connected to the two sides of the seat. The seat is provided with a protective assembly for rapidly identifying the learning process and preventing falling during the movement process. According to the baby walker basedon the ultrasonic waves, omnidirectional following of a baby can be kept in real time through the design of multi-way ultrasonic sensors and a Mecanum wheel executing mechanisms, and protection is provided in the baby walking process; through the design of a tension sensor, the posture state of the baby can be monitored in real time, and protection is provided when the baby falls down. The baby walker has the advantage of