FIELD: self-propelled drills for drilling and servicing of holes in difficult of access and swampy regions. SUBSTANCE: drill is mounted on vehicle form of tractor with semitrailer whose frame carries platform provided with mast, power and auxiliary drilling equipment, jacks and pipe racks made in form of cross-members provided with supporting posts and located along platform in traveling position. Hinge joints of cross-member with platform is made for limiting turning and motion in vertical plane for jack load equaling vehicle weight. Supporting posts of racks are hinged for load equaling weight of pipes. EFFECT: prevented deformation of structure round well by distribution of load from weight of vehicle with drilling equipment onto jacks, and weight of pipes, onto rack supports. 5 dwg
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