PIPE TRANSFER LEVER FOR DRILLING RIG Russian patent published in 2020 - IPC E21B19/02 E21B19/08 E21B19/20 

FIELD: soil or rock drilling.

SUBSTANCE: group of inventions relates to levers for pipe transfer for drilling rig. Lever for pipe transfer for drilling rig includes: bogie connected with possibility of vertical movement with front side of drilling rig mast; upper end of lever, connected with possibility of rotation and rotation with bogie; tube clamp connected with possibility of rotation with lower end of lever. Lever for pipe transfer is made with possibility of movement along the mast with unobstructed passage of upper drive connected to the same mast. Lever for pipe transfer additionally comprises: lubricant supply device connected with possibility of extending with lower end of lever; and a lubricant feed line connected between the lubricant supply device and the lubrication tank. When extending the lubricant supply device, it will be located at least partially inside the coupling connection of the pipe plug fixed with a clamp. Lubricant supply device supplies grease to inner part of coupling connection.

EFFECT: technical result consists in improvement of safety and reduction of duration of round-trip operations.

16 cl, 18 dwg