Emergency sealing device for detector in pipeline

The invention provides an emergency sealing device for a detector in a pipeline, and relates to the technical field of detection in the pipeline. The emergency sealing device comprises two baffles and a locking mechanism. Wherein one baffle is fixedly arranged on a supporting framework of the detector and is a fixed baffle, and the other baffle is a rotating baffle. A torsional spring is arranged between the rotating baffle and the fixed baffle. The fixed baffle is provided with a first drainage channel, the rotating baffle is provided with a second drainage channel, when the rotating baffle is located at the first working position, the second drainage channel is aligned with the first drainage channel, and when the rotating baffle is located at the second working position, the second drainage channel and the first drainage channel are arranged in a staggered mode. When the rotating baffle is located at the first working position, the locking mechanism is locked, and when the locking mechanism is opened, the