Attached adjustable bracket for bridge construction

The utility model discloses an attached adjustable bracket for bridge construction, which is arranged on a bridge pier column formed by step-by-step pouring and consists of an embedded device, a shear key device, a horizontal rod and a telescopic inclined rod, every two pre-buried devices are horizontally arranged to form a set, two sets of pre-buried devices are arranged up and down along the pier column, and the two pre-buried devices in each set are fixedly connected to the two opposite sides of the pier column through pre-buried pouring. Each set of pre-embedded device comprises a pre-embedded steel bar, a pre-embedded box and a pre-embedded box connecting plate; the shear key device comprises a supporting box, a connecting base and a connecting end. Two sets of horizontal rods are arranged on the outer side of the pre-embedded device arranged on the upper portion of the pier column; the two sets of telescopic inclined rods are adjusted to stretch out and draw back through an oil cylinder adjusting device