Pipeline nondestructive testing device

The utility model discloses a pipeline nondestructive testing device which comprises a light receiving plate, a testing area, a rolling shaft, a power chamber, a rolling wheel, a crawler belt, a light emitter, a heat dissipation opening, a rotating shaft, a protective coating, a power motor, damping asbestos, a waterproof layer, an anti-corrosion layer and a smooth glass film. The right side of the waterproof layer is covered with an anti-corrosion layer. According to the pipeline nondestructive testing device, maintenance personnel can conveniently maintain and replace the power chamber and the rolling shaft, the service life of the device is prolonged, in the using process of the device, when a pipeline passes through a detection area, vibration generated by the device can be reduced by damping asbestos, and damage to the interior of the device due to too high vibration is prevented; and in the using process of the device, heat generated when a power motor in the device works can be transmitted outwards thr