Coal mine underground cable passing drill rod

By setting up support blocks, fixing bolts, support rods and springs in the underground cable drill rod of coal mine, the problem of local replacement of drill rods and unstable connections is solved, and stable connections and extended service life are achieved.

CN223256775UActive Publication Date: 2025-08-22SHIJIAZHUANG CHUANGLI COAL MINE MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422427048.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-22
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The existing underground cable drill rods of coal mines cannot be replaced locally after multiple use, and the connection structure is easy to shake, resulting in waste of overall replacement and unstable connection.

Method used

By setting up structures such as support blocks, fixing bolts, support rods, connecting rings and springs, the fixed connection between the connecting rods and the main body is achieved, and stability is increased through structures such as restricting blocks and movable grooves to prevent tilt and shaking.

Benefits of technology

The stability of the drill pipe is achieved by partial replacement and connection, reducing the waste of overall replacement and thread wear, and improving service life and working efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an underground coal mine cable drill rod, which relates to the technical field of underground coal mine cable drill rods and comprises a main body, one side of the main body is fixedly connected with a connecting block, the other side of the main body is provided with a connecting groove, one side of the connecting groove is in threaded connection with the connecting block, and one side of the main body is in sliding connection with a supporting block. A first supporting rod is fixedly connected to one side of the supporting block, a second connecting ring is fixedly connected to one side of the first supporting rod, a connecting rod is slidably connected to one side of the second connecting ring, and a connector is fixedly connected to one side of the connecting rod. By arranging the supporting block, the second fixing bolt, the first supporting rod, the first fixing bolt and the second connecting ring, the connecting rod is fixedly connected with the main body, and by arranging the limiting block, the third sliding groove, the first supporting spring, the fixing block, the second supporting rod and the first connecting ring, the connecting rod is supported, and the connecting rod is prevented from inclining.
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Description

Technical Field

[0001] The utility model relates to the technical field of underground cable drill rods in coal mines, in particular to an underground cable drill rod in coal mines. Background Art

[0002] In the existing technology, directional drilling in coal mines is an important technical means mainly used for coal mine gas extraction and water exploration and drainage, which has effectively promoted the progress of energy efficient utilization and safe and efficient production guarantee technology in the coal industry. The cable drill rod is an important component of directional drilling. It is the connection channel between the while drilling measurement probe and the orifice equipment. It can transmit the parameters such as the inclination, azimuth and tool face angle measured by the while drilling measurement probe to the orifice equipment. The orifice equipment will display the measurement data in real time in the form of data and curves. The drilling engineer will adjust the drilling trajectory direction in time according to the measurement data and trajectory curve, so as to achieve the purpose of effective gas extraction or water exploration and drainage.

[0003] A new type of cable drill rod for underground coal mines disclosed in Chinese utility model patent announcement No. CN211819259U, although the utility model can improve the drilling efficiency, but when the utility model is used multiple times, the drill rod can only be replaced as a whole, and the internal structure of the drill rod is replaced intact, resulting in waste. Therefore, there is a problem that the drill rod cannot be replaced locally. Moreover, when the utility model is in use, only the thread grooves between the drill rods can be connected. After multiple uses, the threads are prone to wear, causing the drill rods to shake when connected to each other. Therefore, there is a problem that the connection structure is prone to shaking when used multiple times. In summary, the utility model has the problems of being unable to replace the drill rod locally and the connection structure being prone to shaking when used multiple times. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a cable drill rod for underground coal mines, which solves the problems raised in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: comprising a main body, a connecting block fixedly connected to one side of the main body, a connecting groove opened on the other side of the main body, a connecting block threadedly connected to one side of the connecting groove, a supporting block slidably connected to one side of the main body, a first supporting rod fixedly connected to one side of the supporting block, a second connecting ring fixedly connected to one side of the first supporting rod, a connecting rod slidably connected to one side of the second connecting ring, and a connecting head fixedly connected to one side of the connecting rod;

[0008] One side of the support block is threadedly connected to a second fixing bolt, one side of the second fixing bolt is threadedly connected to the main body, one side of the second connecting ring is threadedly connected to the first fixing bolt, one side of the first fixing bolt is threadedly connected to a connecting rod, one side of the connecting rod is slidably connected to the first connecting ring, one side of the first connecting ring is slidably connected to the second supporting rod, one end of the second supporting rod is fixedly connected to a limiting block, and one side of the limiting block is slidably connected to the fixing block;

[0009] One side of the connecting block is slidably connected to a movable block, one side of the connecting groove is provided with a movable groove, one side of the movable groove is slidably connected to a movable block, one side of the main body is slidably connected to a cover plate, one side of the cover plate is slidably connected to the movable groove, one end of the main body is provided with a limiting groove, the other end of the main body is slidably connected to a limiting plate, one side of the limiting plate is slidably connected to the limiting groove, one side of the limiting plate is provided with a threaded groove, one side of the threaded groove is threadedly connected to a movable ring, and one side of the movable ring is slidably connected to the main body.

[0010] Optionally, a stop block is slidably connected to one side of the first connecting ring, one end of the stop block is fixedly connected to the second support rod, one end of the limiting block is provided with a third sliding groove, and one side of the third sliding groove is fixedly connected to the first support spring.

[0011] Optionally, one end of the first support spring is fixedly connected to a fixing block, one end of the fixing block is closely fitted with the main body, the other end of the block is slidably connected to a connecting rod, and the fixing blocks are arranged in a circular array on the inner wall of the main body.

[0012] Optionally, the inner wall of the connecting head is slidably connected to a connecting rod, the connecting rod is located in the center of the main body, one side of the cover plate is slidably connected to a movable block, the movable block has an inclined chamfer on one side facing the outward end, and the movable groove fits closely with the movable block.

[0013] Optionally, a first sliding groove is opened on one side of the main body, and a limiting plate is slidably connected to one side of the first sliding groove, one end of the limiting plate is closely fitted with the first sliding groove, and the other end of the limiting plate is closely fitted with the limiting groove.

[0014] Optionally, a second slide groove is provided inside the connecting block, a second support spring is fixedly connected to one side of the second slide groove, one end of the second support spring is fixedly connected to the movable block, and one side of the movable block is slidably connected to the second slide groove.

[0015] Three beneficial effects

[0016] The utility model provides a cable drill rod for underground coal mines, which has the following beneficial effects:

[0017] 1. The underground cable drill rod of the coal mine is fixedly connected to the main body by setting a support block, a second fixing bolt, a first support rod, a first fixing bolt, and a second connecting ring. A limiting block, a third slide groove, a first support spring, a fixing block, a second support rod, and a first connecting ring are also provided to support the connecting rod and prevent the connecting rod from tilting.

[0018] 2. The underground cable drill rod of the coal mine is equipped with a connecting block and a connecting groove to connect the two main bodies to each other. A second slide groove, a movable block, a second support spring, a movable groove, and a cover plate are provided to limit the main body, increase stability, and facilitate disassembly. A limiting plate, a movable ring, a thread groove, a first slide groove, and a limiting groove are also provided to further increase stability, reduce the force on the thread, and prevent shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the front cross-section of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the left side section 1 of the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of the second left-side section of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the left side section three of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the fourth section from the left side of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of the utility model in a top view;

[0025] Figure 7 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at point A in the middle;

[0026] Figure 8 For this utility model Figure 2 A schematic diagram of the structure with a partial enlargement at point B in the middle;

[0027] Figure 9 It is a three-dimensional structural diagram of the utility model.

[0028] In the figure: 1. main body; 2. first fixing bolt; 3. first support rod; 4. connecting groove; 5. limiting groove; 6. second fixing bolt; 7. support block; 8. second support rod; 9. first support spring; 10. fixed block; 11. limiting block; 12. threaded groove; 13. movable ring; 14. limiting plate; 15. connecting block; 16. connecting head; 17. connecting rod; 18. first slide groove; 19. first connecting ring; 20. movable groove; 21. cover plate; 22. second connecting ring; 23. second support spring; 24. movable block; 25. second slide groove; 26. stop block; 27. third slide groove. DETAILED DESCRIPTION

[0029] 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.

[0030] Example 1

[0031] See also Figures 1 to 9The utility model provides a technical solution: a coal mine underground cable drill rod, comprising a main body 1, one side of the main body 1 is fixedly connected to a connecting block 15, the other side of the main body 1 is provided with a connecting groove 4, one side of the connecting groove 4 is threadedly connected to the connecting block 15, one side of the main body 1 is slidably connected to a support block 7, one side of the support block 7 is fixedly connected to a first support rod 3, one side of the first support rod 3 is fixedly connected to a second connecting ring 22, one side of the second connecting ring 22 is slidably connected to a connecting rod 17, one side of the connecting rod 17 is fixedly connected to a connecting head 16, one side of the support block 7 is threadedly connected to a second fixing bolt 6, one side of the second fixing bolt 6 is threadedly connected to the main body 1, one side of the second connecting ring 22 is threadedly connected to the first fixing bolt 2, one side of the first fixing bolt 2 is threadedly connected to the connecting rod 17, one side of the connecting rod 17 is slidably connected to the first connecting ring 19, one side of the first connecting ring 19 is slidably connected to a stopper 26, the other end of the stopper 26 The first link 19 is provided with a first support rod 8, and the second support rod 8 is connected to the first support rod 8 by sliding connection. The first link 19 is provided with a second support rod 8, and the second support rod 8 is connected to the second support rod 8 by sliding connection. The first link 19 is provided with a second support rod 8, and the second support rod 8 is connected to the second support rod 8 by sliding connection. The first link 19 is provided with a first support rod 8, and the second support rod 8 is connected to the second support rod 8 by sliding connection. The first link 19 is provided with a first support rod 8, and the second support rod 8 is connected to the second support rod 8 by sliding connection. The first link 19 is provided with a first support rod 8, and the second support rod 8 is connected to the first support rod 8 by sliding connection.

[0032] When in use, when it is necessary to replace the outer part of the drill pipe, the second fixing bolt 6 is rotated through the connecting groove 4 and removed, so that the support block 7 can be separated from the main body 1, so that the connecting rod 17 can be separated from the main body 1. After the connecting rod 17 is pulled out, replace another main body 1, insert the connecting rod 17 into the main body 1 through one end of the connecting groove 4, fix it by rotating the second fixing bolt 6, and then use the first supporting spring 9 to move the fixing block 10 outward to support the connecting rod 17 and prevent the connecting rod 17 from tilting. The replacement is completed. When it is necessary to replace the internal parts, the first fixing bolt 2 is rotated to separate the second connecting ring 22 from the connecting rod 17. After that, the connecting rod 17 is pulled out of the first connecting ring 19, and the stop block 26 loses its support, so that the second support rod 8 can move, remove its supporting structure, and then replace the corresponding parts, thereby achieving the purpose of partial replacement of the drill pipe.

[0033] Example 2

[0034] See also Figures 1 to 9 The utility model provides a technical solution: a cable drill rod for coal mines, comprising a main body 1, a first slide groove 18 is provided on one side of the main body 1, a connecting block 15 is fixedly connected to one side of the main body 1, a connecting groove 4 is provided on the other side of the main body 1, a connecting block 15 is threadedly connected to one side of the connecting groove 4, a second slide groove 25 is provided inside the connecting block 15, a second support spring 23 is fixedly connected to one side of the second slide groove 25, a support block 7 is slidably connected to one side of the main body 1, a first support rod 3 is fixedly connected to one side of the support block 7, and a second support rod 3 is fixedly connected to one side of the first support rod Connecting ring 22, one side of the second connecting ring 22 is slidably connected to the connecting rod 17, the position of the connecting rod 17 is in the center of the main body 1, one side of the connecting rod 17 is fixedly connected to the connecting head 16, the inner wall of the connecting head 16 is slidably connected to the connecting rod 17, one side of the connecting block 15 is slidably connected to the movable block 24, and there is an inclined chamfer on one side of the outer end of the movable block 24. One end of the second support spring 23 is fixedly connected to the movable block 24, and one side of the movable block 24 is slidably connected to the second slide groove 25. A movable groove 20 is provided on one side of the connecting groove 4, and the movable groove 20 is closely connected to the movable block 24. Fit, one side of the movable groove 20 is slidably connected with a movable block 24, one side of the main body 1 is slidably connected with a cover plate 21, one side of the cover plate 21 is slidably connected with a movable block 24, one side of the cover plate 21 is slidably connected with the movable groove 20, one end of the main body 1 is provided with a limiting groove 5, the other end of the main body 1 is slidably connected with a limiting plate 14, one side of the first slide 18 is slidably connected with the limiting plate 14, one end of the limiting plate 14 is closely fitted with the first slide 18, one side of the limiting plate 14 is slidably connected with the limiting groove 5, the other end of the limiting plate 14 is closely fitted with the limiting groove 5, one side of the limiting plate 14 is slidably connected with the limiting groove 5, A threaded groove 12 is provided on the side, and a movable ring 13 is threadedly connected to one side of the threaded groove 12. One side of the movable ring 13 is slidably connected to the main body 1. By setting a connecting block 15 and a connecting groove 4, the two main bodies 1 are connected to each other. A second slide groove 25, a movable block 24, a second support spring 23, a movable groove 20, and a cover plate 21 are provided to limit the main body 1, increase stability, and facilitate disassembly. A limiting plate 14, a movable ring 13, a threaded groove 12, a first slide groove 18, and a limiting groove 5 are provided to further increase stability, reduce the force on the thread, and prevent shaking.

[0035] When in use, the connecting block 15 is connected to the connecting groove 4 through the thread, so that the two corresponding main bodies 1 are connected to each other. When the connecting block 15 is connected to the connecting groove 4, the movable block 24 is squeezed and moved into the second sliding groove 25. After the connection is completed, the movable block 24 is inserted into the movable groove 20 through the second supporting spring 23, and the main bodies 1 are restricted to each other. Then the movable ring 13 is rotated, and the limiting plate 14 is driven to move through the first sliding groove 18 through the thread at the lower end, so that the limiting plate 14 moves to the limiting groove 5 on the other side of the main body 1, increasing stability again. When dismantling, the cover plate 21 on one side of the main body 1 is removed, and then the movable block 24 is moved inward to separate it from the movable groove 20, so that the main body 1 is separated, thereby achieving the purpose of reducing the stability between the drill rod connections.

[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cable drill rod for underground coal mines, comprising a main body (1), characterized in that: One side of the main body (1) is fixedly connected to a connecting block (15), the other side of the main body (1) is provided with a connecting groove (4), one side of the connecting groove (4) is threadedly connected to the connecting block (15), one side of the main body (1) is slidably connected to a supporting block (7), one side of the supporting block (7) is fixedly connected to a first supporting rod (3), one side of the first supporting rod (3) is fixedly connected to a second connecting ring (22), one side of the second connecting ring (22) is slidably connected to a connecting rod (17), and one side of the connecting rod (17) is fixedly connected to a connecting head (16); One side of the support block (7) is threadedly connected to a second fixing bolt (6), one side of the second fixing bolt (6) is threadedly connected to the main body (1), one side of the second connecting ring (22) is threadedly connected to a first fixing bolt (2), one side of the first fixing bolt (2) is threadedly connected to a connecting rod (17), one side of the connecting rod (17) is slidably connected to a first connecting ring (19), one side of the first connecting ring (19) is slidably connected to a second support rod (8), one end of the second support rod (8) is fixedly connected to a limiting block (11), and one side of the limiting block (11) is slidably connected to a fixing block (10); One side of the connecting block (15) is slidably connected to a movable block (24), one side of the connecting groove (4) is provided with a movable groove (20), one side of the movable groove (20) is slidably connected to the movable block (24), one side of the main body (1) is slidably connected to a cover plate (21), one side of the cover plate (21) is slidably connected to the movable groove (20), one end of the main body (1) is provided with a limiting groove (5), the other end of the main body (1) is slidably connected to a limiting plate (14), one side of the limiting plate (14) is slidably connected to the limiting groove (5), one side of the limiting plate (14) is provided with a threaded groove (12), one side of the threaded groove (12) is threadedly connected to a movable ring (13), and one side of the movable ring (13) is slidably connected to the main body (1).

2. The underground cable drill rod for coal mines according to claim 1, characterized in that: A stopper (26) is slidably connected to one side of the first connecting ring (19), one end of the stopper (26) is fixedly connected to the second support rod (8), a third sliding groove (27) is formed at one end of the limiting block (11), and one side of the third sliding groove (27) is fixedly connected to the first support spring (9).

3. The underground cable drill rod for coal mines according to claim 2, characterized in that: One end of the first support spring (9) is fixedly connected to a fixed block (10), one end of the fixed block (10) is closely fitted with the main body (1), and the other end of the stop block (26) is slidably connected to a connecting rod (17), and the fixed blocks (10) are arranged in a circular array on the inner wall of the main body (1).

4. The underground cable drill rod for coal mines according to claim 1, characterized in that: The inner wall of the connector (16) is slidably connected to a connecting rod (17), the connecting rod (17) being located at the center of the main body (1), and one side of the cover plate (21) is slidably connected to a movable block (24), the movable block (24) having an inclined chamfer on one side facing outward, and the movable groove (20) is closely fitted with the movable block (24).

5. The underground cable drill rod for coal mines according to claim 1, characterized in that: A first sliding groove (18) is provided on one side of the main body (1), and a limiting plate (14) is slidably connected to one side of the first sliding groove (18), one end of the limiting plate (14) is closely fitted with the first sliding groove (18), and the other end of the limiting plate (14) is closely fitted with the limiting groove (5).

6. The underground cable drill rod for coal mines according to claim 1, characterized in that: A second sliding groove (25) is provided inside the connecting block (15), a second support spring (23) is fixedly connected to one side of the second sliding groove (25), a movable block (24) is fixedly connected to one end of the second support spring (23), and a second sliding groove (25) is slidably connected to one side of the movable block (24).

Citation Information

Patent Citations

  • Novel underground coal mine through-cable drill rod

    CN211819259U