Drilling-while-drilling track positioning and peeping device

The utility model discloses a drilling-while-drilling track positioning peeping device which is arranged on a connecting rod between a drill bit and a drill rod and comprises four cameras distributed on the inner wall of the connecting rod around the circumference, the four cameras are all powered and controlled through a cable arranged in the connecting rod, the end of the cable is connected with a controller, and the controller is connected with the drill bit and the drill rod. The controller is provided with a camera control switch and a lamp strip control switch, the connecting rod is provided with a preformed hole matched with the camera, the preformed hole is provided with a tempered glass protection screen, the lower portion of the preformed hole is provided with a steam cleaning opening, the steam cleaning opening is connected with a double-end thin pipe, and the double-end thin pipe is located in the connecting rod and the drill rod. A water vapor valve is arranged at the tail part of the double-end