The utility model discloses a lian caiji pulls out tooth cover device, including the anchor rope tensiometer, the anchor rope tensiometer is connected with the one end of anchor rope, has worn pipe and anchor rope tool to lock on the anchor rope, and the internal diameter value of pipe is located between the external diameter numerical value of pick and the external diameter numerical value that the pick tooth overlaps. Lian caiji pulls out tooth cover device is through setting up the anchor rope, and the anchor rope passes the pick, cuts gear position between pipe and anchor rope tool to lock, and the anchor rope tool to lock carries out the kayser with the anchor rope, the taut anchor rope of anchor rope tensiometer, and the jail is tightly locked with the anchor rope to the anchor rope tool to lock, and on the anchor rope tool to lock will be done all can and transmitted the pick, the pipe clip was sheathe in at the pick tooth, and under the effect of anchor rope tensiometer vitality, a little is extracted the pick to the pipe in, unpacks pick and pick tooth cover apart, does not need artifical long time operated, has improved work efficiency.