Bridge expansion joint anchoring structure

The utility model discloses a bridge expansion joint anchoring structure which comprises a boundary beam and transverse penetrating ribs, an anchoring rib set is arranged on the first side face of the boundary beam and comprises first anchoring ribs and second anchoring ribs, penetrating grooves are formed between the first anchoring ribs and the second anchoring ribs, and the transverse penetrating ribs penetrate through the penetrating grooves. And the transverse penetrating rib is welded with the first anchoring rib and the second anchoring rib. According to the bridge expansion joint anchoring structure provided by the utility model, the plurality of groups of first anchoring ribs and second anchoring ribs on the boundary beam are utilized to form the plurality of penetrating grooves, and the transverse penetrating ribs penetrate through the penetrating grooves and are welded with the first anchoring ribs and the second anchoring ribs, so that when a bridge deforms due to temperature change and extrudes t