Heavy haul railway elastic supporting block type ballastless track construction device and construction method

The invention discloses a heavy haul railway elastic supporting block type ballastless track construction device and construction method. The heavy haul railway elastic supporting block type ballastless track construction device comprises a rail bent, a pavement gantry crane, a track panel assembling platform and a lifting tool; the rail bent comprises a track panel framework, supporting legs, rail direction adjusters and a template system; the rail panel framework comprises two tool rails with equal length; the two tool rails are connected through a plurality of cross beams; the supporting legs are hinged to two ends of joists; track panel framework height and inclination angle adjusting devices are arranged between the supporting legs and the joists; the two ends of the joists are provided with the rail direction adjusters; the template system comprises longitudinal templates and transverse templates; the longitudinal templates are arranged on the internal sides of the bent supporting legs along route directions; the transverse templates are arranged between the two longitudinal templates; the external sides of the longitudinal templates are provided with independent supporting devices. The heavy haul railway elastic supporting block type ballastless track construction device has the advantages that construction categories are few, the operation is simple, the construction efficiency is high, the construction procedures are simple, the speed is quick, and a construction requirement for a heavy haul railway elastic supporting block type ballastless track is satisfied.