CN220869340U - High-strength drill rod with protection function - Google Patents
High-strength drill rod with protection function Download PDFInfo
- Publication number
- CN220869340U CN220869340U CN202322783298.5U CN202322783298U CN220869340U CN 220869340 U CN220869340 U CN 220869340U CN 202322783298 U CN202322783298 U CN 202322783298U CN 220869340 U CN220869340 U CN 220869340U
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- China
- Prior art keywords
- rod
- self
- centering
- wall
- fixedly connected
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- 238000007789 sealing Methods 0.000 claims description 27
- 230000006870 function Effects 0.000 claims description 21
- 238000005553 drilling Methods 0.000 claims description 18
- 239000010410 layer Substances 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 238000005524 ceramic coating Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 230000009993 protective function Effects 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of high-strength drill rods and discloses a high-strength drill rod with a protection function, which comprises a rod body, wherein a self-centering sleeve is fixedly connected inside the rod body, an internal thread is arranged inside the self-centering sleeve, a second shrinkage joint is arranged between the self-centering sleeve and the rod body, a first shrinkage joint is arranged inside the self-centering sleeve, an inclined plane is arranged on the inner wall of one end of the self-centering sleeve, a threaded rod is connected with the inner wall of the internal thread in a threaded manner, a cone is fixedly connected with one end of the threaded rod, the outer wall of the cone is attached to the inclined plane, and a spring is arranged inside the self-centering sleeve. According to the self-centering drill rod, the drill bit is inserted into the self-centering sleeve through the threaded rod, and is screwed into the internal thread through the threaded rod, and at the moment, the cylinder is attached to the inclined surface of the self-centering sleeve, so that the self-centering effect is achieved, the problem of the practicability of the high-strength drill rod with the protection function is solved, and the practicability of the high-strength drill rod with the protection function is improved.
Description
Technical Field
The utility model relates to the technical field of high-strength drill rods, in particular to a high-strength drill rod with a protection function.
Background
A high strength drill pipe is a drilling tool having higher strength and durability, which can provide higher performance and efficiency in complex drilling operations, drilling operations in industries such as oil, gas and underground exploration, etc., and such drill pipe is required to have high strength, corrosion resistance and protection ability, so that it is required to use a high strength drill pipe having a protection function to cope with severe working environments and operations under high pressure and high temperature conditions.
The search is carried out on the bulletin number: the utility model discloses a high strength sulfur-resistant drilling rod that aggravates with safeguard function in CN219492219U, including the body of rod, the outer turnover of body of rod upper portion is connected with the commentaries on classics board, a plurality of connecting plates of commentaries on classics board top fixedly connected with evenly distributed, the connecting plate is close to body of rod one end lower part and all is provided with the spacing groove, the outer turnover of body of rod lower part is connected with the turning block, the equal sliding connection of backup pad bottom has the cardboard, the equal sliding connection in chute inside has the push block to one side of being close to the body of rod, the equal sliding connection in push block diapire to one side of being close to the push pedal to one side. According to the utility model, the oblique pushing block moves to one side of the rod body through the connecting plate, so that the push plate is close to the clamping plate, and when the connecting plate is in contact with the closed end of the cavity, the clamping plate is pushed to the limiting groove, so that the purpose of tightly attaching the rotating plate and the rotating block is realized, the purpose of protecting the threads at the connecting position is achieved, and the problem that the drilling effect is influenced due to loosening of the connecting position of the rod body after the threads are corroded is prevented.
But only solved in this patent and made the push block to body of rod one side remove to the connecting plate, and then make the push pedal be close to the cardboard, the cardboard is pushed to the spacing groove when connecting plate and cavity blind end contact, thereby realize making the purpose of rotating plate and rotating block closely laminating, reach the purpose of protection junction screw thread, prevent that the screw thread from being corroded back body of rod junction not hard up and influence drilling effect, and do not solve drill bit and drilling rod only through threaded connection, need recalibrate when changing the drill bit in drilling operation and keep the drill bit at the center of drilling rod, it is comparatively inconvenient to need the manual work to calibrate every time change, influence the practicality of high strength drilling rod that has safeguard function.
Disclosure of utility model
In order to make up for the defects, the utility model provides the high-strength drill rod with the protection function, which aims to solve the problem that the high-strength drill rod with the protection function is inconvenient to calibrate manually when the drill rod is replaced every time, and the practicability of the high-strength drill rod with the protection function is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a high strength drilling rod with safeguard function, includes the body of rod, the inside fixedly connected with of body of rod is from the centering cover, from the internal thread has been seted up to centering cover inside, be provided with shrinkage joint two between centering cover and the body of rod, from the inside shrinkage joint one of having seted up of centering cover, centering cover one end inner wall is provided with the inclined plane certainly, internal thread inner wall threaded connection has the threaded rod, threaded rod one end fixedly connected with cone, the laminating of cone outer wall is on the inclined plane, from centering cover inside is provided with the spring, cone one end fixedly connected with drill bit.
Through above-mentioned technical scheme, the threaded rod is connected with the body of rod through the internal thread in the self-centering cover, and the laminating of cone outer wall carries out the position of automatic calibration central point on the inclined plane of self-centering cover inner wall, fixes a position for the drill bit, and the spring is used for supporting the cone, makes its more accurate of connection.
Further, one end of the spring is abutted to one end of the cone, and the other end of the spring is fixedly connected inside the self-centering sleeve.
Through the technical scheme, the spring is fixed through the self-centering sleeve.
Further, a clamping groove is formed in one side of the rod body, and a sealing ring is arranged in the clamping groove.
Through above-mentioned technical scheme, the draw-in groove is used for connecting the sealing washer.
Further, the outer wall of the drill bit is fixedly connected with a sealing cover, and one side of the sealing cover is attached to the outer wall of the sealing ring.
Through the technical scheme, the drill bit is used for fixing the sealing cover, so that the sealing cover is attached to the outer wall of the sealing ring for sealing.
Further, a reinforcing layer is arranged in the rod body, and a protective layer is arranged on the outer wall of the reinforcing layer.
Through above-mentioned technical scheme, the enhancement layer is used for strengthening the body of rod, and the protective layer protects the enhancement layer.
Further, the reinforcing layer is made of carbon fiber composite materials.
Through the technical scheme, the carbon fiber composite material has the characteristics of high strength, light weight and fatigue resistance, and can reduce the weight of the drill rod and provide good mechanical properties.
Further, the protective layer is a ceramic coating.
By the technical scheme, the ceramic coating is made of a wear-resistant ceramic material and is used for coating the surface of the reinforcing layer, so that excellent wear resistance and corrosion resistance are provided.
Further, the other end of the rod body is fixedly connected with a threaded column.
Through above-mentioned technical scheme, the screw thread post is used for connecting many body of rod to the length of extension body of rod.
The utility model has the following beneficial effects:
1. According to the self-centering drill rod, the drill bit is inserted into the self-centering sleeve through the threaded rod and screwed into the internal thread through the threaded rod, and at the moment, the cylindrical body is attached to the inclined surface of the self-centering sleeve, so that the drill bit is automatically positioned to the center point of the rod body, and the spring is used for supporting the cone, so that the self-centering effect is achieved, the problem that the high-strength drill rod with the protection function is inconvenient to calibrate manually when the drill rod is used every time, the practicability of the high-strength drill rod with the protection function is affected is solved, and the practicability of the high-strength drill rod with the protection function is improved.
2. According to the utility model, one end of the rod body connected with the drill bit is clamped into the clamping groove through the sealing ring, when the drill bit is connected with the rod body, the sealing cover is attached to the sealing ring, so that the effect of sealing the joint of the rod body and the drill bit is achieved, the problem that slurry or other substances enter the rod body to cause corrosion and damage of the rod body when the traditional high-strength drill rod with the protection function is used for drilling is solved, the service life of the high-strength drill rod with the protection function is influenced, and the service life of the high-strength drill rod with the protection function is prolonged.
Drawings
Fig. 1 is a schematic perspective view of a high-strength drill rod with protection function according to the present utility model;
Fig. 2 is a schematic diagram of the internal structure of a high-strength drill rod with protection function according to the present utility model;
fig. 3 is a schematic diagram of the internal structure of a self-centering sleeve of a high-strength drill rod with a protection function.
Legend description:
1. A rod body; 2. a self-centering sleeve; 3. a first shrinkage joint; 4. an inclined plane; 5. an internal thread; 6. a spring; 7. a threaded rod; 8. a cone; 9. sealing cover; 10. a drill bit; 11. a clamping groove; 12. a seal ring; 13. a threaded column; 14. a protective layer; 15. a reinforcing layer; 16. and a second shrinkage joint.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the high-strength drill rod with the protection function comprises a rod body 1, a self-centering sleeve 2 is fixedly connected inside the rod body 1, an internal thread 5 is arranged inside the self-centering sleeve 2, a second shrinkage joint 16 is arranged between the self-centering sleeve 2 and the rod body 1, a first shrinkage joint 3 is arranged inside the self-centering sleeve 2, an inclined plane 4 is arranged on the inner wall of one end of the self-centering sleeve 2, a threaded rod 7 is in threaded connection with the inner wall of the internal thread 5, a cone 8 is fixedly connected with one end of the threaded rod 7, the outer wall of the cone 8 is attached to the inclined plane 4, a spring 6 is arranged inside the self-centering sleeve 2, and a drill bit 10 is fixedly connected with one end of the cone 8;
Specifically, from centering cover 2 is fixed in body of rod 1, the shrinkage joint 3 on the centering cover 2 is used for the cone 8 laminating when on inclined plane 4 to extrude and produce deformation from centering cover 2 in certain space, threaded rod 7 drives cone 8 and drill bit 10 and is connected with body of rod 1 through internal thread 5, the shrinkage joint two 16 is used for laminating in body of rod 1 when producing deformation for centering cover 2, inclined plane 4 and cone 8 outer wall laminating reach the effect of automatically regulated center, drill bit 10 is used for drilling operation, spring 6 when cone 8 is in centering cover 2 certainly, support cone 8 prevents that threaded rod 7 is not hard up, make it more inseparable of connection.
One end of the spring 6 is abutted to one end of the cone 8, the other end of the spring 6 is fixedly connected inside the self-centering sleeve 2, a clamping groove 11 is formed in one side of the rod body 1, a sealing ring 12 is arranged inside the clamping groove 11, the outer wall of the drill bit 10 is fixedly connected with a sealing cover 9, one side of the sealing cover 9 is attached to the outer wall of the sealing ring 12, a reinforcing layer 15 is arranged inside the rod body 1, a protective layer 14 is arranged on the outer wall of the reinforcing layer 15, the reinforcing layer 15 is made of carbon fiber composite materials, the protective layer 14 is a ceramic coating, and the other end of the rod body 1 is fixedly connected with a threaded column 13;
Specifically, draw-in groove 11 is used for connecting sealing washer 12, when drill bit 10 installs in body of rod 1, when laminating on body of rod 1 through sealed lid 9, seal through sealing washer 12 between them, inside mud gets into body of rod 1 when preventing drilling operation, cause the corruption of body of rod 1, enhancement layer 15 is carbon fiber composite, have high strength, light and antifatigue's characteristics, can alleviate drilling rod weight and provide good mechanical properties simultaneously, protection layer 14 is used for protecting enhancement layer 15 and coats on enhancement layer 14 surface for ceramic coating, excellent resistance to wear and corrosion.
Working principle: when the high-strength drill rod with a protection function is used, the drill bit 10 is inserted into the self-centering sleeve 2 through the threaded rod 7, the threaded rod 7 is connected through the internal thread 5 in the self-centering sleeve 2, the cone 8 is gradually attached to the inclined plane 4 at the opening of the self-centering sleeve 2 in the screwing connection process, the cone 8 is automatically positioned to the center point of the rod body 1, the opening of the self-centering sleeve 2 can be deformed due to extrusion of the cone 8, the first shrinkage joint 3 and the second shrinkage joint 16 are attached to the inner wall of the rod body 1, the cone 8 can be connected with the rod body 1 and simultaneously extrude the spring 6, the spring 6 supports the cone 8, the threaded rod 7 is prevented from loosening, the sealing cover 9 can be attached to the rod body 1 through the sealing ring 12, slurry is prevented from entering the rod body 1 to cause corrosion in drilling operation, the sealing ring 12 can be detached and replaced through the clamping groove 11, and the rod body 1 is connected with a plurality of drill rods through the threaded column 13 to extend, and drilling is deeper.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. High strength drilling rod with safeguard function, including body of rod (1), its characterized in that: the utility model discloses a self-centering drill bit, including body of rod (1) inside fixedly connected with is from centering cover (2), from centering cover (2) inside internal thread (5) of having seted up, be provided with shrinkage joint two (16) between centering cover (2) and body of rod (1), from centering cover (2) inside shrinkage joint one (3) of having seted up, from centering cover (2) one end inner wall is provided with inclined plane (4), internal thread (5) inner wall threaded connection has threaded rod (7), threaded rod (7) one end fixedly connected with cone (8), cone (8) outer wall laminating is on inclined plane (4), from centering cover (2) inside spring (6) that is provided with, cone (8) one end fixedly connected with drill bit (10).
2. The high strength drill pipe with protective function of claim 1, wherein: one end of the spring (6) is abutted to one end of the cone (8), and the other end of the spring (6) is fixedly connected inside the self-centering sleeve (2).
3. The high strength drill pipe with protective function of claim 1, wherein: a clamping groove (11) is formed in one side of the rod body (1), and a sealing ring (12) is arranged in the clamping groove (11).
4. The high strength drill pipe with protective function of claim 1, wherein: the outer wall of the drill bit (10) is fixedly connected with a sealing cover (9), and one side of the sealing cover (9) is attached to the outer wall of the sealing ring (12).
5. The high strength drill pipe with protective function of claim 1, wherein: the inside enhancement layer (15) that is provided with of body of rod (1), enhancement layer (15) outer wall is provided with protective layer (14).
6. The high strength drill pipe with protective function according to claim 5, wherein: the reinforcing layer (15) is made of carbon fiber composite material.
7. The high strength drill pipe with protective function according to claim 5, wherein: the protective layer (14) is a ceramic coating.
8. The high strength drill pipe with protective function of claim 1, wherein: the other end of the rod body (1) is fixedly connected with a threaded column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322783298.5U CN220869340U (en) | 2023-10-17 | 2023-10-17 | High-strength drill rod with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322783298.5U CN220869340U (en) | 2023-10-17 | 2023-10-17 | High-strength drill rod with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869340U true CN220869340U (en) | 2024-04-30 |
Family
ID=90815112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322783298.5U Active CN220869340U (en) | 2023-10-17 | 2023-10-17 | High-strength drill rod with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869340U (en) |
-
2023
- 2023-10-17 CN CN202322783298.5U patent/CN220869340U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |