Novel oil pipe tripping device

The utility model relates to an auxiliary device for underground filed operation in an oil field, and particularly relates to a novel oil pipe tripping device. The technical scheme is as follows: the oil pipe tripping device comprises a bracket assembly and a sliding body assembly, wherein the bracket assembly is formed by three to five concave single brackets which are respectively in threaded connection with pillow tubes in parallel; three top surfaces of each concave single bracket are respectively provided with a concave arc slot and two top-surface arc slots; slide rail bodies vertical to the concave single brackets are respectively arranged in the arc slots; the sliding body assembly is connected with a front pulley by a bearing at one end of an L-shaped bracket, and the other end of the L-shaped bracket is connected with a connecting rod; two ends of the connecting rod are connected with two back pulleys by bearings; the front pulley is matched with the slide rail bodies in the concave arc slots in a s