Directional drilling device and application method

Abstract

The present invention discloses a device and application method for directional drilling, which belongs to the field of drilling technology, including a support frame assembly, a lifting assembly, a lifting block assembly, a drilling component assembly, the support frame assembly including a bottom plate and a fixed column welded on the top surface thereof, a mounting hole is provided on the bottom plate, and a rib is welded between the bottom plate and the fixed column, the lifting assembly is installed on the fixed column, the lifting block assembly is installed on the fixed column, and is driven to lift on the fixed column by the lifting assembly, the lifting block assembly includes a sliding lifting block and an adjustable bearing block connected to the opposite surface thereof, the drilling component assembly includes a drilling motor installed on the top surface of the adjustable bearing block and a drill pipe installed on the bottom surface of the adjustable bearing block, and a mounting sleeve is passed through the top of the drill pipe. The device and application method for directional drilling meet the drilling needs of different angles and directions, and at the same time have a positioning effect to prevent it from tilting.

Description

Technical Field

[0001] The invention belongs to the technical field of drilling, and in particular relates to a directional drilling device and an application method. Background Art

[0002] Drilling refers to the operation of drilling a hole in a solid material with a drill bit. This article describes the drilling work in exploration work, as well as the auxiliary tools needed for drilling and some emergency measures. In geological exploration work, the use of drilling equipment to drill a cylindrical circular hole with a small diameter and a large depth underground is also called a well. The diameter of the borehole for drilling oil, natural gas and groundwater is larger. The diameter and depth of the borehole depend on the burial depth of the geological mineral and the purpose of the borehole.

[0003] The names of the various parts of the drilling are shown in the figure. The starting part of the drilling is called the hole mouth, the side is called the hole wall, and the bottom is called the hole bottom. The diameter D of the drilling hole is referred to as the hole diameter, the hole mouth diameter is called the opening hole diameter, and the hole bottom diameter is called the final hole diameter. The distance H from the hole mouth to the hole bottom is called the drilling depth, referred to as the hole depth. A certain section of the drilling is called the hole section.

[0004] In civil engineering, especially installation engineering, directional drilling of building components is used to lay pipelines. However, the current directional drilling equipment has a single structure and function and cannot meet the needs of drilling holes in different directions and angles, which reduces its drilling efficiency. Summary of the invention

[0005] The object of the present invention is to provide a directional drilling device and an application method to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a directional drilling device, comprising:

[0007] A support frame assembly, the support frame assembly comprising a bottom plate and a fixed column welded on the top surface thereof;

[0008] A lifting assembly, wherein the lifting assembly is mounted on a fixed column;

[0009] A lifting block assembly, which is mounted on a fixed column and is driven to rise and fall on the fixed column by a lifting component;

[0010] a drilling member assembly, the drilling member assembly being carried on the lifting block assembly;

[0011] The lifting block assembly includes a sliding lifting block and an adjustable bearing block connected to the opposite surface thereof;

[0012] The drilling assembly includes a drilling motor mounted on the top surface of the adjustable bearing block and a drill bit tube mounted on the bottom surface of the adjustable bearing block;

[0013] A servo motor is transversely embedded inside one end of the sliding lifting block close to the adjustable bearing block, and the rotating shaft of the servo motor is connected to the adjustable bearing block;

[0014] Locking plates are installed on both sides of the sliding lifting block and the adjustable bearing block through locking bolts, and the locking plates fasten the sliding lifting block and the adjustable bearing block together.

[0015] In a further preferred solution, the lifting assembly includes a lifting motor installed on the top surface of the fixed column and a lifting threaded rod connected to the output shaft of the lifting motor and extending into the inner cavity of the fixed column.

[0016] In a further preferred solution, a travel opening is longitudinally opened on the outer wall of the fixed column, and a threaded lifting block is threadedly adapted in the inner cavity of the fixed column and located on the peripheral side of the lifting threaded rod;

[0017] The outer wall of the threaded lifting block is provided with a connecting block which is lifted and lowered in the stroke opening.

[0018] In a further preferred solution, the bottom surfaces of the sliding lifting block and the adjustable bearing block at opposite ends are respectively provided with a first arc plate and a second arc plate;

[0019] The first arc plate is provided with an arc-shaped positioning groove;

[0020] A positioning rod is transversely arranged on the inner wall of the second arc plate and is displaced along an arc track in the arc positioning groove.

[0021] In a further preferred solution, an inner hole adapted to be plugged into the fixed column is longitudinally opened on the top surface of the sliding lifting block, and the threaded lifting block is connected to the inner wall of the inner hole through a connecting block;

[0022] An internal threaded hole matching the lifting threaded rod is provided inside the threaded lifting block.

[0023] According to a further preferred solution, rectangular grooves are provided on both sides of the sliding lifting block and the adjustable bearing block, and the locking plates are installed in the rectangular grooves by locking bolts.

[0024] According to a further preferred solution, a stepped recessed hole for installing a servo motor is provided on the inner wall of the sliding lifting block, and an end cover is installed on the stepped platform of the stepped recessed hole by fixing bolts, and the end cover passes through the rotating shaft.

[0025] A method for applying the directional drilling device according to any one of the preceding claims, comprising the following steps:

[0026] S1. Install the bottom plate at the position where the holes are required to be punched, so that the fixed columns are perpendicular to the ground;

[0027] S2. When vertical drilling is required, the lifting motor runs on the top surface of the fixed column, driving the lifting threaded rod to rotate in the inner cavity of the fixed column. The lifting threaded rod is adapted to the internal threaded hole, driving the threaded lifting block and the connecting block to lift, and the connecting block moves in the travel port;

[0028] Then the sliding lifting block is driven to rise and fall around the fixed column;

[0029] S3, after the position of the sliding lifting block is determined, the drilling motor drives the drill bit tube to rotate to drill;

[0030] S4. When tilted drilling is required, the two locking plates are removed, and the rotating shaft of the servo motor drives the adjustable bearing block to swing in an arc to adjust the inclination angle of the drill pipe;

[0031] S5. When the adjustable bearing block swings in an arc shape, the adjustable bearing block drives the second arc plate to move, so that the positioning rod is displaced and positioned in the arc positioning groove according to an arc trajectory;

[0032] S6. After adjustment, the servo motor stops and the adjustable bearing block stops at the required inclination position;

[0033] S7. When the servo motor needs to be repaired, remove the end cover and take out the servo motor for maintenance.

[0034] Technical effects and advantages of the present invention:

[0035] The directional drilling device, when vertical drilling is required, the lifting motor runs on the top surface of the fixed column, driving the lifting threaded rod to rotate in the inner cavity of the fixed column, the lifting threaded rod is adapted to the internal threaded hole, driving the threaded lifting block and the connecting block to lift, the connecting block moves in the stroke opening, and then drives the sliding lifting block to lift around the fixed column, after determining the position of the sliding lifting block, the drilling motor drives the drill pipe to rotate to drill;

[0036] When inclined drilling is required, the two disassembly plates are disassembled, and the rotating shaft of the servo motor drives the adjustable bearing block to swing in an arc to adjust the inclination angle of the drill bit tube. When the adjustable bearing block swings in an arc, the adjustable bearing block drives the second arc plate to move, so that the positioning rod is displaced and positioned in the arc positioning groove according to an arc trajectory. After adjustment, the servo motor stops and the adjustable bearing block stops at the required inclination position. Compared with the prior art, it meets the needs of drilling holes at different angles and directions, and at the same time has a positioning effect to prevent it from tilting and improve the drilling accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of a directional drilling device of the present invention;

[0038] Figure 2It is a schematic diagram of the connection structure of the drilling motor and the drill pipe of the directional drilling device of the present invention;

[0039] Figure 3 It is a schematic diagram of the connection structure of the sliding lifting block and the lifting threaded rod of the directional drilling device of the present invention;

[0040] Figure 4 It is a schematic structural diagram of the sliding lifting block of the directional drilling device of the present invention.

[0041] In the figure: 1. Support frame assembly; 2. Lifting assembly; 3. Lifting block assembly; 4. Drilling assembly; 5. Bottom plate; 6. Fixed column; 7. Lifting motor; 8. Travel port; 9. Sliding lifting block; 10. Adjustable bearing block; 11. Drill tube; 12. Drilling motor; 13. Rib plate; 14. Mounting hole; 15. Locking plate; 16. Locking bolt; 17. Mounting sleeve; 18. Lifting threaded rod; 19. Limit block; 20. Bearing; 21. Inner hole; 22. Threaded lifting block; 23. First arc plate; 24. Second arc plate; 25. Positioning rod; 26. Inner threaded hole; 27. Stepped recessed hole; 28. Rotating axis; 29. ​​Arc positioning groove; 30. End cover; 31. Fixing bolt; 32. Threaded countersunk hole; 33. Rectangular groove. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0043] The present invention provides Figure 1-Figure 4 A directional drilling device is shown, comprising:

[0044] The support frame assembly 1 includes a bottom plate 5 and a fixed column 6 welded to the top surface thereof, a mounting hole 14 is provided on the bottom plate 5, and a rib 13 is welded between the bottom plate 5 and the fixed column 6;

[0045] A lifting assembly 2, the lifting assembly is mounted on a fixed column 6;

[0046] The lifting block assembly 3 is installed on the fixed column 6 and is driven to rise and fall on the fixed column 6 by the lifting component 2;

[0047] A drilling component assembly 4, the drilling component assembly 4 is carried on the lifting block assembly 3;

[0048] The lifting block assembly 3 includes a sliding lifting block 9 and an adjustable bearing block 10 connected to the opposite surface thereof;

[0049] The drilling assembly 4 includes a drilling motor 12 mounted on the top surface of the adjustable bearing block 10 and a drill pipe 11 mounted on the bottom surface of the adjustable bearing block 10. A mounting sleeve 17 runs through the top of the drill pipe 11. The mounting sleeve 17 is welded to the sliding lifting block 9.

[0050] A servo motor is transversely embedded inside one end of the sliding lifting block 9 close to the adjustable bearing block 10, and the rotating shaft 28 of the servo motor is connected to the adjustable bearing block 10;

[0051] Locking plates 15 are installed on both sides of the sliding lifting block 9 and the adjustable bearing block 10 through locking bolts 16, and the locking plates 15 fasten the sliding lifting block 9 and the adjustable bearing block 10 together.

[0052] The lifting assembly 2 includes a lifting motor 7 installed on the top surface of the fixed column 6 and a lifting threaded rod 18 connected to the output shaft of the lifting motor 7 and extending into the inner cavity of the fixed column 6. A limit block 19 is provided on the upper part of the peripheral side of the lifting threaded rod 18 to limit the threaded lifting block 22 to prevent it from exceeding the stroke. The bottom end of the lifting threaded rod 18 is connected to the bottom wall of the inner cavity of the fixed column 6 through a bearing 20.

[0053] A travel opening 8 is longitudinally provided on the outer wall of the fixed column 6, and a threaded lifting block 22 is threadably adapted in the inner cavity of the fixed column 6 and located on the side of the lifting threaded rod 18;

[0054] The outer wall of the threaded lifting block 22 is provided with a connecting block which is lifted and lowered in the stroke opening 8 .

[0055] The bottom surfaces of the opposite ends of the sliding lifting block 9 and the adjustable bearing block 10 are respectively provided with a first arc plate 23 and a second arc plate 24;

[0056] The first arc plate 23 is provided with an arc-shaped positioning groove 29;

[0057] A positioning rod 25 is disposed transversely on the inner wall of the second arc plate 24 and moves along an arc-shaped trajectory in the arc-shaped positioning groove 29 .

[0058] The top surface of the sliding lifting block 9 is longitudinally provided with an inner hole 21 adapted to be plugged into the fixed column 6, and the threaded lifting block 22 is connected to the inner wall of the inner hole 21 through a connecting block;

[0059] An internal threaded hole 26 adapted to the lifting threaded rod 18 is formed inside the threaded lifting block 22 .

[0060] Rectangular grooves 33 are formed on both sides of the sliding lifting block 9 and the adjustable bearing block 10 , and the locking plate 15 is installed in the rectangular grooves 33 through locking bolts 16 .

[0061] The inner wall of the sliding lifting block 9 is provided with a stepped recessed hole 27 for installing the servo motor, an end cover 30 is installed on the stepped platform of the stepped recessed hole 27 through a fixing bolt 31, the end cover 30 passes through the rotating shaft 28, a threaded countersunk hole 32 adapted to the fixing bolt 31 is provided on the end cover 30, and an opening adapted to the rotating shaft 28 is provided on the end cover 30;

[0062] A key block is provided around one end of the rotating shaft 28;

[0063] A method for applying the directional drilling device according to any one of the preceding claims, comprising the following steps:

[0064] S1. Install the bottom plate 5 at the position where the holes are to be punched, so that the fixed column 6 is perpendicular to the ground;

[0065] S2. When vertical drilling is required, the lifting motor 7 runs on the top surface of the fixed column 6, driving the lifting threaded rod 18 to rotate in the inner cavity of the fixed column 6. The lifting threaded rod 18 is adapted to the internal threaded hole 26, driving the threaded lifting block 22 and the connecting block to move up and down, and the connecting block moves in the travel port 8;

[0066] Then the sliding lifting block 9 is driven to rise and fall around the fixed column 6;

[0067] S3, after the position of the sliding lifting block 9 is determined, the drilling motor 12 drives the drill bit tube 11 to rotate to drill;

[0068] S4, when inclined drilling is required, the two locking plates 15 are removed, and the rotating shaft 28 of the servo motor drives the adjustable bearing block 10 to swing in an arc to adjust the inclination angle of the drill tube 11;

[0069] S5, when the adjustable bearing block 10 swings in an arc shape, the adjustable bearing block 10 drives the second arc plate 24 to move, so that the positioning rod 25 is displaced and positioned in the arc positioning groove 29 according to an arc trajectory;

[0070] S6. After adjustment, the servo motor stops, and the adjustable bearing block 10 stops at the desired inclination angle position;

[0071] S7. When the servo motor needs to be repaired, the end cover 30 is removed and the servo motor is taken out for repair.

[0072] Working principle:

[0073] The directional drilling device installs the bottom plate 5 at the position where the directional drilling is required so that the fixed column 6 should be perpendicular to the ground;

[0074] When vertical drilling is required, the lifting motor 7 runs on the top surface of the fixed column 6, driving the lifting threaded rod 18 to rotate in the inner cavity of the fixed column 6, and the lifting threaded rod 18 is adapted to the internal threaded hole 26, driving the threaded lifting block 22 and the connecting block to rise and fall, and the connecting block moves in the stroke opening 8, and then drives the sliding lifting block 9 to rise and fall on the side of the fixed column 6. After determining the position of the sliding lifting block 9, the drilling motor 12 drives the drill pipe 11 to rotate to drill;

[0075] When it is necessary to drill holes at an angle, the two locking plates 15 are removed, and the rotating shaft 28 of the servo motor drives the adjustable bearing block 10 to swing in an arc shape to adjust the inclination angle of the drill pipe 11. When the adjustable bearing block 10 swings in an arc shape, the adjustable bearing block 10 drives the second arc plate 24 to move, so that the positioning rod 25 is displaced and positioned in the arc positioning groove 29 according to an arc trajectory;

[0076] After adjustment, the servo motor stops, and the adjustable bearing block 10 stops at the desired inclination angle position. When the servo motor needs to be repaired, the end cover 30 is removed, and the servo motor is taken out for repair.

[0077] The above description is only a preferred specific implementation manner of the invention, but the protection scope of the invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the invention according to the technical scheme and inventive concept of the invention, which should be covered by the protection scope of the invention.

Claims

1. A directional drilling device, comprising: A support frame assembly (1), the support frame assembly (1) comprising a bottom plate (5) and a fixed column (6) welded to the top surface thereof; A lifting assembly (2), wherein the lifting assembly (2) is mounted on a fixed column (6); A lifting block assembly (3), wherein the lifting block assembly (3) is mounted on a fixed column (6) and is driven to be lifted and lowered on the fixed column (6) by a lifting component (2); A drilling component assembly (4), wherein the drilling component assembly (4) is carried on the lifting block assembly (3); The feature is that the lifting block assembly (3) comprises a sliding lifting block (9) and an adjustable bearing block (10) connected to the opposite surface thereof; The drilling component assembly (4) comprises a drilling motor (12) mounted on the top surface of the adjustable bearing block (10) and a drill bit tube (11) mounted on the bottom surface of the adjustable bearing block (10); A servo motor is transversely embedded in one end of the sliding lifting block (9) close to the adjustable bearing block (10), and a rotating shaft (28) of the servo motor is connected to the adjustable bearing block (10); Both sides of the sliding lifting block (9) and the adjustable bearing block (10) are provided with locking plates (15) via locking bolts (16), and the locking plates (15) fasten the sliding lifting block (9) and the adjustable bearing block (10) together; The lifting assembly (2) comprises a lifting motor (7) mounted on the top surface of the fixed column (6) and a lifting threaded rod (18) connected to the output shaft of the lifting motor (7) and extending into the inner cavity of the fixed column (6); A travel opening (8) is longitudinally provided on the outer wall of the fixed column (6), and a threaded lifting block (22) is threadedly adapted in the inner cavity of the fixed column (6) and located on the peripheral side of the lifting threaded rod (18); The outer wall of the threaded lifting block (22) is provided with a connecting block which is lifted and lowered in the travel opening (8); The top surface of the sliding lifting block (9) is provided with an inner hole (21) adapted to be plugged into the fixed column (6) in a longitudinal direction, and the threaded lifting block (22) is connected to the inner wall of the inner hole (21) via a connecting block; An internal threaded hole (26) adapted to the lifting threaded rod (18) is provided inside the threaded lifting block (22); When vertical drilling is required, the lifting motor (7) drives the lifting threaded rod (18) to rotate in the inner cavity of the fixed column (6), thereby driving the threaded lifting block (22) and the connecting block to move up and down. The connecting block moves in the travel opening (8), thereby driving the sliding lifting block (9) to move up and down around the fixed column (6). After the position of the sliding lifting block (9) is determined, the drilling motor (12) drives the drill bit tube (11) to rotate to perform drilling. When inclined drilling is required, the two locking plates (15) are removed, and the servo motor drives the adjustable bearing block (10) to swing in an arc shape, thereby adjusting the inclination angle of the drill bit tube (11) to perform drilling.

2. A directional drilling device according to claim 1, characterized in that: The bottom surfaces of opposite ends of the sliding lifting block (9) and the adjustable bearing block (10) are respectively provided with a first arc plate (23) and a second arc plate (24); An arc-shaped positioning groove (29) is provided in the first arc plate (23); A positioning rod (25) is laterally provided on the inner wall of the second arc plate (24) and is displaced along an arc-shaped trajectory in the arc-shaped positioning groove (29).

3. A directional drilling device according to claim 2, characterized in that: Rectangular grooves (33) are provided on both sides of the sliding lifting block (9) and the adjustable bearing block (10), and the locking plate (15) is installed in the rectangular groove (33) via a locking bolt (16).

4. A directional drilling device according to claim 3, characterized in that: The inner wall of the sliding lifting block (9) is provided with a stepped recessed hole (27) for mounting a servo motor, and an end cover (30) is mounted on the stepped platform of the stepped recessed hole (27) via a fixing bolt (31), and the end cover (30) passes through the rotating shaft (28).

5. The application method of the directional drilling device according to claim 4, characterized in that: The application method comprises: S1. Install the bottom plate (5) at the position where the holes are to be drilled so that the fixing column (6) is perpendicular to the ground; S2. When vertical drilling is required, the lifting motor (7) runs on the top surface of the fixed column (6), driving the lifting threaded rod (18) to rotate in the inner cavity of the fixed column (6), and the lifting threaded rod (18) is adapted to the internal threaded hole (26), driving the threaded lifting block (22) and the connecting block to rise and fall, and the connecting block moves in the travel opening (8); This then drives the sliding lifting block (9) to move up and down around the fixed column (6); S3, after the position of the sliding lifting block (9) is determined, the drilling motor (12) drives the drill bit tube (11) to rotate to perform drilling; S4. When it is necessary to drill holes at an angle, the two locking plates (15) are removed, and the rotating shaft (28) of the servo motor drives the adjustable bearing block (10) to swing in an arc to adjust the inclination angle of the drill pipe (11); S5, when the adjustable bearing block (10) swings in an arc shape, the adjustable bearing block (10) drives the second arc plate (24) to move, so that the positioning rod (25) is displaced and positioned in the arc-shaped positioning groove (29) according to an arc-shaped trajectory; S6. After adjustment, the servo motor stops, and the adjustable bearing block (10) stops at the desired inclination angle position; S7. When the servo motor needs to be repaired, remove the end cover (30) and take out the servo motor for repair.

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