Adjustable insulating blanket clamp with self-locking capability and use method thereof

The invention belongs to the field of hot-line work, and relates to an adjustable insulating blanket clamp with a self-locking capability and a use method thereof, and the adjustable insulating blanket clamp comprises a lower clamp, an upper clamp, an auxiliary chuck, a pushing strip and a clamping assembly. The lower clamp is provided with a clamp head part and a handle part; the upper clamp comprises a movable chuck and a connecting handle, the movable chuck is rotationally connected with the chuck part of the lower clamp, and the connecting handle is fixedly arranged on the movable chuck; the auxiliary chuck is rotatably mounted at the front end of the movable chuck of the upper clamp; the upper end of the pushing strip is connected with a connecting handle of the upper clamp; the clamping assembly comprises a sliding block and a lock handle, the sliding block is connected with the lower end of the pushing strip, the sliding block and the handle part of the lower clamp are installed in a sliding mode, and