Bridge horizontal rotation balance adjusting device and method

The invention relates to the technical field of bridge swivel construction, and discloses a bridge horizontal swivel balance adjusting device and method.The bridge horizontal swivel balance adjusting device comprises a supporting table and a traction system, the supporting table is supported below a cantilever, an auxiliary track is fixed to the supporting table and has a radian, and the radian of the auxiliary track is matched with the swivel radian of the cantilever; the traction system comprises a vehicle body and a speed reduction system connected to the vehicle body, the top of the vehicle body is connected with the cantilever through a connecting part so that the vehicle body and the cantilever can be connected into a whole, wheels of the vehicle body are in sliding fit with the auxiliary track, and the vehicle body slides in the extending direction of the auxiliary track. When the cantilever needs to be braked in the rotating process, the deceleration system can decelerate and stop the wheels, and the