Combined mutual pressing type highway bridge expansion joint device

The utility model provides a conjoined mutual pressure type highway bridge expansion joint device, which relates to the technical field of highway bridge expansion joint devices, and comprises a left joint plate and a right joint plate, the opposite side surfaces of the left joint plate and the right joint plate are respectively provided with a plurality of matched comb teeth, the comb teeth are designed into an upper comb tooth layer and a lower comb tooth layer, and the comb teeth of the upper comb tooth layer and the lower comb tooth layer are staggered. After the left joint plate and the right joint plate are jointed, the left upper comb tooth layer is laminated on the right lower comb tooth layer; and the right upper comb tooth layer is laminated on the left lower comb tooth layer. When a vehicle passes through the expansion joint, mutual pressure is formed between the upper comb tooth layer and the lower comb tooth layer of the left joint plate and the lower comb tooth layer of the right joint plate, on