Gear rack lifting drilling machine

The present invention relates to the technical field of oil drilling equipment, in particular a rack and pinion lifting rig. Includes a derrick body, the base, from the apparatus, the drill rod moving system, a chuck, the shackle means and the console control means. Linked to the body includes a vertical mast above the mast base and symmetrically disposed on the same side of the mast and two rack rails; means for driving the head body includes a top panel, means on the body from under the panel, is provided at the top of the head is driven downward hanging card drive motor and the rollers and disposed on the active panel, wherein the linkage with the drive motor and the gear rack on the mast, with the guide rollers and the derrick; drill pipe moving system includes an inner end of the base from the hinge liter arm, the support arm lifting the lifting cylinder and the lifting arm lifting the drill pipe is provided the outer end portion of the gripping mechanism. The present invention simplifies the structure of the rig, easy to install and move operation, low maintenance costs, long life, ease of automation devices supporting widely used.