Novel detection device for integrity of oil-gas long-distance pipeline

The utility model provides a novel detection device for the integrity of an oil gas long-distance pipeline, which comprises an oil pipeline and a workbench, the bottom of the workbench is provided with a moving mechanism, the workbench is provided with an ultrasonic flaw detector, the ultrasonic flaw detector is electrically connected with a detection probe, the outer end of the detection probe is provided with an auxiliary detection device, and the auxiliary detection device is electrically connected with the ultrasonic flaw detector. The auxiliary detection device is movably installed on the oil conveying pipeline, and the detection probe makes contact with the oil conveying pipeline. The auxiliary detection device comprises a semicircular plate, a connecting buckle, a connecting belt, a universal ball mechanism and a mounting mechanism; a mounting mechanism is fixedly mounted at the front end and the rear end of the middle of the semicircular plate in a penetrating manner, a detection probe is fixedly moun