Equipment of bubble under elimination tread

The utility model provides an equipment of bubble under elimination tread, including the puncture board, the puncture board contains both sides face and bottom surface, the both sides face of punctureboard sets up the handle respectively, the bottom surface of puncture board sets up the puncture nail, this equipment of bubble under elimination tread is still including setting up the piercing depth adjustment mechanism on the puncture board, piercing depth adjustment mechanism contains the slide rail groove, the suspension type coaster, the limiting plate, the lead screw, the thread groove, motor and shaft coupling, the suspension type coaster from top to bottom gliding setting at the slide rail inslot, the bottom fixed connection limiting plate of suspension type coaster, the top of suspension type coaster sets up and lead screw matched with thread groove, the one end and the thread groove threaded connection of lead screw, the motor contains the motor shaft, the other end of lead screw passes through the sha