Transverse section-by-section traction device for old-moving and new-moving railway bridge

The utility model discloses a section-by-section transverse traction device for old-moving and new-moving of a railway bridge. The section-by-section transverse traction device comprises a plurality of sliding rails, the old beam section of the old beam body is in sliding fit with the corresponding sliding rail through a first sliding block, and the new beam section of the new beam body is in sliding fit with the corresponding sliding rail through a second sliding block; the second slide block is higher than the first slide block; each node of the old beam body and the new beam body is provided with a first traction system and a second traction system; the front end of a first traction rope of the first traction system clamps a front opening of a first anchor hole of the front section steel frame; the middle section of the first traction rope is tightened by the lower tensioning wheel and is connected with the first traction type jack; the front end of a second traction rope of the second traction system clam