FIELD: drilling equipment, particularly to drill exploratory wells.
SUBSTANCE: drilling rig comprises base 1 with frame 4, mast 5 with carriage 13 movably connected thereto and provided with rotator 14, as well as advancing mechanism made as hydraulic cylinder 6 and two levers 7, 8 articulated with each other. Free ends of levers 7, 8 are pivotally connected with frame 4 and with rotator carriage 13. Frame 4 is hinged to base 1. Hydraulic cylinder is pivotally connected with levers 7, 8. Lever end pivotally secured to frame is made as fork 9. Lever connection axes and rotator 14 shaft 15 axis 19 are in single plane B.
EFFECT: decreased material consumption and increased reliability due to simplified advancing mechanism structure and elimination of bending force application to mast.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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| 0 |
|
SU250811A1 | |
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RU2522472C2 |
