Gantry type tray connection robot

The utility model relates to the technical field of connection equipment, and provides a portal type tray connection robot which comprises a frame body, the frame body is provided with two vertically-arranged supporting columns, and a pallet fork frame is arranged between the two supporting columns. Two pallet forks are hung on the pallet fork frame; walking wheels are mounted at the bottoms of the supporting columns; the frame body is further provided with a walking transmission assembly used for driving the two walking wheels to rotate synchronously. The frame body is further provided with a lifting transmission assembly used for driving the pallet fork frame to ascend or descend in the vertical direction. In this way, the frame body reciprocates in the conveying direction, and goods on-line and off-line operation at the tail end of a conveying line is achieved. And rotation space is not needed, lateral space of the conveying line is not occupied, and the device is suitable for the scene that the conveying