Rotary guiding device for well drilling

Abstract

The utility model discloses a well drilling rotation guiding device which comprises a fixed shell, a guiding mechanism shell and a guiding plate, a plurality of containing grooves are formed in the outer wall of the guiding mechanism shell, hydraulic rods are fixed to the inner walls of the containing grooves through bolts, and sliding rods are arranged at the output ends of the hydraulic rods. Second cranks are rotatably connected to the outer walls of the two sides of the sliding rod through rotating shafts, a limiting block is arranged on the inner wall of the containing groove, the sliding rod is slidably connected to the interior of the limiting block, first cranks are rotatably connected to the outer walls of the two sides of the limiting block through rotating shafts, and the first cranks are rotatably connected with the outer walls of one sides of the second cranks through rotating shafts. The hydraulic rod drives the sliding rod to move, the sliding rod slides in the limiting block, the sliding rod drives the first crank to move, the first crank drives the second crank to rotate, the first crank drives the fixing base to move, the fixing base drives the rotary column to move, the rotary column rotates on the fixing base, the rotary column drives the guide plate to move, and the guide plate drives the roller to move.

Description

Technical Field

[0001] The utility model relates to the technical field of oil drilling, in particular to a drilling rotary guide device. Background Art

[0002] Oil drilling refers to the use of oil drilling equipment to drill through multiple formations along the designed trajectory from the ground to the predetermined target layer (oil and gas layer or potential oil and gas layer), forming a stable channel (i.e. oil and gas well) for oil and gas production or injection of the required fluid (water, gas, steam), and completing coring, logging, well logging and testing during and after drilling to obtain various information required for exploration, development and drilling.

[0003] For example, a rotary guide for drilling with authorization announcement number CN215332673U and announcement date 2021.12.28 includes a drilling device main body, and a heat flow component is fixedly installed inside the drilling device main body near the end; the heat flow component includes a mounting tube, and a ventilation hole is opened on the outer surface of the mounting tube, and the inner surface of the ventilation hole is slidably connected with a sliding column, and the end of the sliding column is fixedly connected with a sliding rod, and the end of the sliding rod is fixedly connected with an abutment plate, and the outer surface of the abutment plate is fixedly connected with a tooth bar, and the outer surface of the tooth bar is meshingly connected with a gear, and the end of the gear is fixedly connected with a motor, and the end of the motor is fixedly connected to the inner surface of the mounting tube.

[0004] In the existing oil mining and oil drilling process, when the drill bit deviates, the staff cannot adjust the rotating drill bit angle, so that the drilling deviates from the preset direction. Therefore, it is urgent to design a drilling rotary guide device to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a drilling rotary guide device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The drilling rotary guide device comprises a fixed shell, a guide mechanism shell and a guide plate, a plurality of placement grooves are opened on the outer wall of the guide mechanism shell, and a hydraulic rod is fixed to the inner wall of the placement groove by bolts, a sliding rod is arranged at the output end of the hydraulic rod, and the outer walls on both sides of the sliding rod are rotatably connected to the second crank through a rotating shaft, a limiting block is arranged on the inner wall of the placement groove, and the sliding rod is slidably connected to the inside of the limiting block, the outer walls on both sides of the limiting block are rotatably connected to the first crank through a rotating shaft, and the first crank is rotatably connected to the outer wall of one side of the second crank through a rotating shaft, a fixed seat is arranged on the outer wall of one side of the second crank, and the inside of the fixed seat is rotatably connected to a rotating column through a rotating shaft, a rotating column is arranged on the outer wall of the bottom of the guide plate, and the inner wall of the guide plate is rotatably connected to a roller through a rotating shaft.

[0008] Furthermore, the outer wall of the fixed shell is provided with a plurality of sliding grooves, the inner wall of the guide mechanism shell is provided with a plurality of round-headed clamping blocks, and the round-headed clamping blocks are slidably connected inside the sliding grooves.

[0009] Furthermore, a limiting groove is opened on the outer wall of the top of the guide mechanism shell, and the inside of the limiting groove is slidably connected to the limiting plate, the inner wall of the limiting groove and the outer wall of the limiting plate are connected to the limiting spring, and a card slot is opened on the outer wall of the top of the fixed shell, and the limiting plate is inserted into the inside of the card slot.

[0010] Furthermore, a threaded hole is provided on the outer wall of the top of the fixed shell, and a fixing bolt is connected to the inner thread of the threaded hole, and one end of the fixing bolt is in contact with the outer wall of the limiting plate.

[0011] Furthermore, a plurality of fan housings are arranged on the inner wall of the fixed housing, and a fixing frame is arranged on the inner wall of the fan housing, a fan motor is fixed to the outer wall of one side of the fixing frame by bolts, and fan blades are arranged on the output shaft of the fan motor.

[0012] Furthermore, a plurality of air inlets are provided on the inner wall of the fixed shell, and a drying hole is provided inside the guide mechanism shell.

[0013] Furthermore, a rotating rod is rotatably connected to the interior of the fixed shell via a bearing, and a drill bit is provided at the bottom end of the rotating rod.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the hydraulic rod, sliding rod, limit block, first crank, second crank, fixed seat, rotating column, guide plate and roller, the hydraulic rod drives the sliding rod to move, the sliding rod slides in the limit block, the sliding rod drives the first crank to move, the first crank drives the second crank to rotate, the first crank drives the fixed seat to move, the fixed seat drives the rotating column to move, the rotating column rotates on the fixed seat, the rotating column drives the guide plate to move, the guide plate drives the roller to move, the roller contacts the inner wall of the well, so that the drill bit can change the excavation angle in the well, thereby realizing the guiding function of the well to excavate in a predetermined direction.

[0016] 2. Through the set sliding groove, round head clamping block, limit groove, clamping groove, limit spring, limit plate, threaded hole and fixing bolt, the round head clamping block is clamped and rotated in the sliding groove, the fixing bolt is rotated, the fixing bolt is disengaged from the threaded hole, the limit plate is pulled, the limit plate is disengaged from the clamping groove, the limit plate slides in the limit groove, and the limit plate squeezes the limit spring, which is convenient for the staff to dismantle the guide mechanism casing and realizes the function of replacing and repairing the guide mechanism casing.

[0017] 3. Through the fan motor, fixing frame, fan blades, air inlet and drying hole, the fan motor drives the fan blades to rotate, the fan blades inhale air and come into contact with the heat emitted by the drill bit, and enter the drying hole through the air inlet. The hot air dries the moist soil on the inner wall of the borehole through the dry hole, avoiding the problem of moist soil collapsing into the borehole. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural diagram of the drilling rotary steering device proposed by the utility model;

[0019] Figure 2 This is a front view cross-sectional structural schematic diagram of the drilling rotary steering device proposed by the utility model;

[0020] Figure 3 A schematic diagram of the three-dimensional structure of the guide plate of the drilling rotary guide device proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the sliding groove of the drilling rotary guide device proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the enlarged structure of the limit plate of the drilling rotary guide device proposed by the utility model.

[0023] In the figure: 1. rotating rod; 2. fixed shell; 3. guide mechanism shell; 4. hydraulic rod; 5. sliding rod; 6. limit block; 7. first crank; 8. second crank; 9. fixed seat; 10. rotating column; 11. guide plate; 12. roller; 13. sliding groove; 14. round head clamping block; 15. limit groove; 16. clamping groove; 17. limit spring; 18. limit plate; 19. threaded hole; 20. fixing bolt; 21. air inlet; 22. drying hole; 23. fan shell; 24. fan motor; 25. fixing frame; 26. fan blade; 27. drill bit; 28. placement groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] Reference Figure 1-5 The drilling rotary guide device comprises a fixed shell 2, a guide mechanism shell 3 and a guide plate 11. A plurality of placement grooves 28 are provided on the outer wall of the guide mechanism shell 3, and a hydraulic rod 4 is fixed on the inner wall of the placement groove 28 by bolts. A sliding rod 5 is provided at the output end of the hydraulic rod 4, and the outer walls on both sides of the sliding rod 5 are rotatably connected with a second crank 8 through a rotating shaft. A limiting block 6 is provided on the inner wall of the placement groove 28, and the sliding rod 5 is slidably connected inside the limiting block 6. The outer walls on both sides of the limiting block 6 are rotatably connected with a first crank 7 through a rotating shaft, and the first crank 7 is rotatably connected to the outer wall of one side of the second crank 8 through a rotating shaft. A fixing seat 9 is provided on the outer wall of one side of the second crank 8, and a rotating column 10 is rotatably connected to the inside of the fixing seat 9 through a rotating shaft. A rotating column 10 is provided on the outer wall of the bottom of the guide plate 11, and a roller 12 is rotatably connected to the inner wall of the guide plate 11 through a rotating shaft. The sliding rod 5 moves in the limiting block 6 in the placement groove 28, thereby realizing the function of limiting the sliding rod 5.

[0028] In one embodiment provided by the present utility model, Figure 2 and Figure 4 As shown, the outer wall of the fixed shell 2 is provided with a plurality of sliding grooves 13, and the inner wall of the guide mechanism shell 3 is provided with a plurality of round head blocks 14, and the round head blocks 14 are slidably connected in the sliding grooves 13, and the round head blocks 14 move in the sliding grooves 13, thereby realizing the function that the round head blocks 14 can be clamped in the sliding grooves 13.

[0029] In another embodiment provided by the present utility model, Figure 2 and Figure 5As shown, a limit groove 15 is provided on the outer wall of the top of the guide mechanism housing 3, and the inner part of the limit groove 15 is slidably connected to a limit plate 18, the inner wall of the limit groove 15 and the outer wall of the limit plate 18 are connected to a limit spring 17, a card slot 16 is provided on the outer wall of the top of the fixed housing 2, and the limit plate 18 is inserted into the inside of the card slot 16, and the limit plate 18 is inserted into the card slot 16, so that the guide mechanism housing 3 is fixed on the fixed housing 2.

[0030] In another embodiment provided by the present utility model, Figure 2 and Figure 5 As shown, a threaded hole 19 is opened on the outer wall of the top of the fixed shell 2, and the internal thread of the threaded hole 19 is connected with a fixing bolt 20, one end of the fixing bolt 20 contacts the outer wall of the limiting plate 18, and the fixing bolt 20 is threadedly connected in the threaded hole 19, and the fixing bolt 20 is threaded on the limiting plate 18, thereby realizing the function of stably fixing the limiting plate 18 in the slot 16.

[0031] In one embodiment provided by the present utility model, Figure 2 As shown, a plurality of fan housings 23 are provided on the inner wall of the fixed housing 2, and a fixing frame 25 is provided on the inner wall of the fan housing 23, a fan motor 24 is fixed to the outer wall on one side of the fixing frame 25 by bolts, and a fan blade 26 is provided on the output shaft of the fan motor 24, and the fan motor 24 drives the fan blade 26 to rotate, thereby realizing the function of blowing out the heat generated by the drill bit 27 when working.

[0032] In another embodiment provided by the present utility model, Figure 2 As shown, the inner wall of the fixed shell 2 is provided with a plurality of air inlets 21, and the interior of the guide mechanism shell 3 is provided with drying holes 22. The hot gas dries the inner wall of the well through the drying holes 22, thereby preventing the wet soil from collapsing and falling into the well.

[0033] In another embodiment provided by the present utility model, Figure 1 and Figure 2 As shown, the interior of the fixed housing 2 is rotatably connected to a rotating rod 1 via a bearing, and a drill bit 27 is provided at the bottom end of the rotating rod 1. The rotating rod 1 drives the drill bit 27 to rotate in the fixed housing 2, thereby realizing the function of drilling and excavation.

[0034] Working principle: when in use, the guide mechanism housing 3 is sleeved on the outside of the fixed housing 2, the round head block 14 is inserted into the sliding groove 13, the guide mechanism housing 3 rotates, the round head block 14 moves in the sliding groove 13, the round head block 14 is clamped in the sliding groove 13, the limit plate 18 moves in the limit groove 15, the limit spring 17 provides elastic force to clamp the limit plate 18 in the clamping groove 16, the fixing bolt 20 is threadedly connected in the threaded hole 19, and the threaded bolt is fixed on the limit plate 18, so that the guide mechanism housing 3 is fixed on the fixed housing 2, which is convenient for the staff to repair the guide mechanism housing 3. When drilling, the rotating rod 1 in the fixed housing 2 drives the drill bit 27 to rotate. When the drill bit 27 deviates during excavation and the excavation direction of the drill bit 27 needs to be adjusted, the hydraulic rod 4 is started, and the hydraulic rod 4 drives the sliding rod 5 to move. The sliding rod 5 is in the limit The block 6 moves, the sliding rod 5 drives the second crank 8 to rotate, the second crank 8 drives the first crank 7 to rotate, the second crank 8 drives the fixed seat 9 to move, the rotating column 10 rotates in the fixed seat 9, the rotating column 10 drives the guide plate 11 to rotate, the guide plate 11 drives the roller 12 to rotate, the roller 12 contacts the inner wall of the well, after the guide plate 11 is unfolded, the guide plate 11 squeezes the inner wall of the well to drive the drill bit 27 to adjust the deviation angle, thereby realizing the guiding function of drilling in a predetermined direction, starting the fan motor 24 in the fan housing 23, the fan motor 24 drives the fan blades 26 to rotate, the fan blades 26 rotate to inhale air, the air contacts the drill bit 27 to generate heat transferred to the rotating rod 1, enters the flood hole through the air inlet 21, and the hot air entering the drying hole 22 dries the moist inner wall of the well, thereby avoiding the problem of moist inner wall soil collapsing and falling into the well.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be included in the protection scope of the present invention.

Claims

1. A drilling rotary guide device, comprising a fixed housing (2), a guide mechanism housing (3) and a guide plate (11), characterized in that: A plurality of placement grooves (28) are provided on the outer wall of the guide mechanism housing (3), and a hydraulic rod (4) is fixed to the inner wall of the placement groove (28) by bolts. A sliding rod (5) is provided at the output end of the hydraulic rod (4), and the outer walls on both sides of the sliding rod (5) are rotatably connected to a second crank (8) via a rotating shaft. A limit block (6) is provided on the inner wall of the placement groove (28), and the sliding rod (5) is slidably connected to the inside of the limit block (6). The outer walls on both sides of the limit block (6) are rotatably connected to a first crank (7) via a rotating shaft, and the first crank (7) is rotatably connected to the outer wall of one side of the second crank (8) via a rotating shaft. A fixing seat (9) is provided on the outer wall of one side of the second crank (8), and a rotating column (10) is rotatably connected to the inside of the fixing seat (9) via a rotating shaft. A rotating column (10) is provided on the outer wall of the bottom of the guide plate (11), and the inner wall of the guide plate (11) is rotatably connected to a roller (12) via a rotating shaft.

2. The drilling rotary steering device according to claim 1, characterized in that: The outer wall of the fixed housing (2) is provided with a plurality of sliding grooves (13), and the inner wall of the guide mechanism housing (3) is provided with a plurality of round-head clamping blocks (14), and the round-head clamping blocks (14) are slidably connected inside the sliding grooves (13).

3. The drilling rotary steering device according to claim 2, characterized in that: A limiting groove (15) is provided on the outer wall of the top of the guide mechanism housing (3), and the inside of the limiting groove (15) is slidably connected to a limiting plate (18), the inner wall of the limiting groove (15) and the outer wall of the limiting plate (18) are connected to a limiting spring (17), and a clamping groove (16) is provided on the outer wall of the top of the fixed housing (2), and the limiting plate (18) is inserted into the inside of the clamping groove (16).

4. The drilling rotary steering device according to claim 3, characterized in that: A threaded hole (19) is provided on the outer wall of the top of the fixed housing (2), and a fixing bolt (20) is connected to the inner thread of the threaded hole (19), and one end of the fixing bolt (20) is in contact with the outer wall of the limiting plate (18).

5. The drilling rotary steering device according to claim 4, characterized in that: A plurality of fan housings (23) are arranged on the inner wall of the fixed housing (2), and a fixing frame (25) is arranged on the inner wall of the fan housing (23). A fan motor (24) is fixed to the outer wall of one side of the fixing frame (25) by bolts, and a fan blade (26) is arranged on the output shaft of the fan motor (24).

6. The drilling rotary steering device according to claim 5, characterized in that: The inner wall of the fixed shell (2) is provided with a plurality of air inlets (21), and the interior of the guide mechanism shell (3) is provided with drying holes (22).

7. The drilling rotary steering device according to claim 6, characterized in that: The interior of the fixed housing (2) is rotatably connected to a rotating rod (1) via a bearing, and a drill bit (27) is provided at the bottom end of the rotating rod (1).

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