Walking type dynamic pushing system for curved bridge girder

A walking type dynamic pushing system for a main beam of a curved bridge comprises walking pushing units, a deviation correcting unit, a deviation detecting unit and a walking type pushing system pump station, and the walking pushing units are arranged on the two sides of the center line of the bridge at equal intervals. An oil inlet path of each walking pushing unit is provided with an electro-hydraulic proportional speed regulating valve; the walking pushing system pump station is used for controlling the proportion of the oil inlet flow of the electro-hydraulic proportional speed regulating valve; the deviation detection unit comprises a photoelectric sensor and a detection line, the detection line is a track line formed by marking the center line and the maximum allowable deviation distance of the main beam on the two sides of the center line on the bottom surface of the main beam in different colors, the photoelectric sensor determines the deviation direction and the deviation degree by detecting the det