Asphalt laying device for highway construction

The invention relates to an asphalt paving device for expressway construction and belongs to the technical field of road paving. The asphalt paving device comprises a paving box, wherein a partition plate is arranged in the paving box, an inner cavity of the paving box is divided into a crushing chamber and a paving chamber by the partition plate, and the crushing chamber is provided with a crushing part used for crushing plate-shaped asphalt into block-shaped asphalt; a first feeding hole through which blocky asphalt enters the paving chamber is formed in the partition plate, and a discharging hole is formed in the bottom of the paving chamber; a first bearing plate is slidably arranged in the crushing chamber, and a first driving part for driving the first bearing plate to slide to drive the blocky asphalt to be flush with the first feeding opening is arranged in the crushing chamber; a first push plate used for pushing the blocky asphalt on the first bearing plate into the paving chamber is slidably arrang