The continuous beam adopts 40m+64m+40m swivel to cross the existing railway and form an angle of 47° with the railway line. The continuous beam construction is divided into two parts. After the construction of the swivel part is completed, the swivel is turned and the cross-rail is over the railway. After the swivel, start the closing construction. The continuous beam swivel structure consists of a lower turntable, a ball twist, an upper turntable, a swivel traction system, a boosting system, a water tank counterweight system, and an axis fine-tuning system. The total weight of the single swivel is about 4,000 tons.