MOBILE DRILLING RIG Russian patent published in 2018 - IPC E21B7/02 

FIELD: soil or rock drilling.

SUBSTANCE: invention relates to drilling equipment. Mobile drilling rig comprises a multi-axle vehicle horizontally disposed on the frame in the transport position of a drilling rig consisting of an upper barrel section and a lower support section, a work platform, driller's cabin, the device for lifting the tower, the supporting devices of the tower, the hydraulic drive of the auxiliary mechanisms, the power drive with the rotator, the pipe manipulator. Rotator is fixed by means of a hinged connection on the carriage with the possibility of longitudinal movement by means of a rack-and-pinion mechanism, built into the upper stem section. On the lower support section there is a working power table with a set of devices for pipe mounting. Upper stem section is located in the transport position on the side of the cab of the multi-axle vehicle. Pipe manipulator is made in the form of a telescopic boom hinged on the end part of the horizontal base, the telescopic boom is made in the form of a fixed and sliding sections with a hydraulic drive consisting of three-dimensional structures of trusses.

EFFECT: reduced dimensions in the transport position, simplified installation and reduced assembly time are ensured.

4 cl, 6 dwg