CN211173979U - Anti-drop drilling rod for oil drilling - Google Patents
Anti-drop drilling rod for oil drilling Download PDFInfo
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- CN211173979U CN211173979U CN201921797165.0U CN201921797165U CN211173979U CN 211173979 U CN211173979 U CN 211173979U CN 201921797165 U CN201921797165 U CN 201921797165U CN 211173979 U CN211173979 U CN 211173979U
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Abstract
The utility model discloses an anti-drop drill rod for petroleum drilling, which comprises a drill rod, wherein the top of the drill rod is provided with a first connecting part, the bottom of the drill rod is provided with a second connecting part, and the bottom of the second connecting part is provided with a drill bit matched with the second connecting part; the bottom of the second connecting portion is provided with a groove, an internal thread is arranged inside the groove, a connecting column is arranged inside the groove, a first external thread is arranged outside the top of the connecting column in a winding mode, the bottom of the connecting column is connected with the second connecting portion through a plurality of anti-falling mechanisms, and the bottom of the connecting column is fixedly connected with the top of the drill bit. Has the advantages that: the connection stability between the drill rod and the drill bit is improved, so that the phenomenon that the drill bit falls off in long-time repeated movement is effectively avoided, and the drilling operation of an oil well is effectively guaranteed.
Description
Technical Field
The utility model relates to a drilling rod technical field particularly, relates to an anti-drop drilling rod for oil drilling.
Background
With the continuous development of the industrial society, the use frequency of petroleum becomes higher and higher. In oil drilling operations, an oil drill pipe is an indispensable tool of importance, and for a drill pipe, it is a steel pipe with a thread at the tail for connecting a rig surface equipment and a drilling and grinding equipment or a bottom hole device at the bottom end of a well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly, and the drill pipe must be able to withstand significant internal and external pressures, distortions, bends and vibrations when in use.
However, most of the drill rods on the market are connected with the drill bit through the internal and external threads, the requirement on the processing of the threads is quite high, once burrs or sliding threads occur on the threads, the connection stability between the drill rods and the drill bit is easily affected, and the drill bit is easily dropped in long-time repeated movement, so that the drilling operation of an oil well is affected.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides an anti-drop drilling rod is used in oil drilling to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
an anti-falling drill rod for petroleum drilling comprises a drill rod, wherein a first connecting part is arranged at the top of the drill rod, a second connecting part is arranged at the bottom of the drill rod, and a drill bit matched with the second connecting part is arranged at the bottom of the second connecting part;
wherein, the recess has been seted up to the bottom of second connecting portion, just the inside of recess is provided with the internal thread, the inside of recess is provided with the spliced pole, just the top outside of spliced pole around be equipped with the first external screw thread of internal thread matched with, the bottom outside of spliced pole with connect through a plurality of anti-drop mechanisms between the second connecting portion, the bottom of spliced pole with the top fixed connection of drill bit.
Further, in order to facilitate the installation and placement of the anti-falling mechanism, a plurality of first installation grooves matched with the anti-falling mechanism are formed in the outer side of the bottom of the second connecting portion.
Furthermore, the anti-falling mechanism comprises a fixed column, the top end of the fixed column is provided with a connecting block, the top of the connecting block is fixedly connected with the inner top of the mounting groove, the outer side of the fixed column is sleeved with a moving sleeve matched with the fixed column, a second mounting groove is arranged in the movable sleeve, a spring is arranged in the second mounting groove, the spring is sleeved outside the fixed column, one side of the movable sleeve is provided with a clamping part, the top of the clamping part is provided with a fixing ring which is sleeved outside the bottom of the connecting column, the bottom of the fixing column is wound with a second external thread, and the outer side of the bottom of the fixed column is positioned below the moving sleeve, and an adjusting nut matched with the second external thread is sleeved on the outer side of the bottom of the fixed column.
Furthermore, in order to disperse the pressure of the adjusting nut on the moving sleeve and protect the bottom of the moving sleeve, a spring washer is arranged between the top of the adjusting nut and the bottom of the moving sleeve.
Furthermore, in order to achieve a better clamping effect, the top of the clamping part is provided with a clamping block, and the bottom of the fixing ring is provided with a limiting groove matched with the clamping block.
Furthermore, in order to limit the movement of the movable sleeve, a limit ring is sleeved on the outer side of the top of the fixed column and above the movable sleeve, and the bottom of the limit ring is fixedly connected with the top end of the spring.
The utility model has the advantages that: through the use of anti-drop mechanism for it can play centre gripping and fixed effect to the spliced pole when second connecting portion and spliced pole threaded connection, thereby has improved the stability of being connected between drilling rod and the drill bit effectively, has avoided being connected the influence that brings for drilling rod and drill bit because of the screw thread is not hard up or burr, thereby has avoided the emergence of drill bit obscission in long-time repetitive motion effectively, provides assurance effectively for the probing operation of oil well.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an anti-drop drill rod for oil drilling according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure according to A in FIG. 1;
fig. 3 is an enlarged view of the structure according to B in fig. 2.
In the figure:
1. a drill stem; 2. a first connection portion; 3. a second connecting portion; 4. a drill bit; 5. a groove; 6. connecting columns; 7. an anti-drop mechanism; 701. fixing a column; 702. connecting blocks; 703. moving the sleeve; 704. a second mounting groove; 705. a spring; 706. a clamping portion; 707. a fixing ring; 708. a second external thread; 709. adjusting the nut; 710. a clamping block; 711. a limiting groove; 712. a limiting ring; 8. a first mounting groove.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides an anti-drop drilling rod for oil drilling.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, as shown in fig. 1 to 3, an anti-drop drill rod for oil drilling according to an embodiment of the present invention includes a drill rod 1, a first connecting portion 2 is disposed at the top of the drill rod 1, a second connecting portion 3 is disposed at the bottom of the drill rod 1, and a drill bit 4 matched with the second connecting portion 3 is disposed at the bottom of the second connecting portion 3;
wherein, recess 5 is seted up to the bottom of second connecting portion 3, just the inside of recess 5 is provided with the internal thread, the inside of recess 5 is provided with spliced pole 6, just the top outside of spliced pole 6 around be equipped with the first external screw thread of internal thread matched with, the bottom outside of spliced pole 6 with connect through a plurality of anti-drop mechanisms 7 between the second connecting portion 3, the bottom of spliced pole 6 with the top fixed connection of drill bit 4.
By means of the technical scheme, through the use of the anti-falling mechanism 7, the anti-falling mechanism can clamp and fix the connecting column 6 while the second connecting part 3 is in threaded connection with the connecting column 6, so that the connection stability between the drill rod 1 and the drill bit 4 is effectively improved, the influence on the connection between the drill rod 1 and the drill bit 4 caused by the loosening or burr of threads is avoided, the phenomenon that the drill bit 4 falls off in long-time repeated movement is effectively avoided, and the drilling operation of an oil well is effectively guaranteed.
In one embodiment, a plurality of first mounting grooves 8 matched with the anti-falling mechanism 7 are formed on the outer side of the bottom of the second connecting portion 3. By such an arrangement, the anti-drop mechanism 7 can be mounted and placed conveniently.
In one embodiment, the anti-falling off mechanism 7 comprises a fixed column 701, a connecting block 702 is arranged at the top end of the fixed column 701, the top of the connecting block 702 is fixedly connected with the inner top of the first mounting groove 8, the outer side of the fixed column 701 is sleeved with a moving sleeve 703 matched with the fixed column 701, a second mounting groove 704 is formed in the moving sleeve 703, a spring 705 is disposed in the second mounting groove 704, the spring 705 is sleeved on the outer side of the fixed column 701, one side of the movable sleeve 703 is provided with a clamping part 706, a fixing ring 707 is disposed on the top of the clamping portion 706, the fixing ring 707 is sleeved on the outer side of the bottom of the connecting column 6, a second external thread 708 is wound on the bottom of the fixing column 701, and an adjusting nut 709 matched with the second external thread 708 is sleeved below the moving sleeve 703 on the outer side of the bottom of the fixed column 701. Through the use of anti-drop mechanism 7 for it can play centre gripping and fixed effect to spliced pole 6 when second connecting portion 3 and spliced pole 6 threaded connection, thereby improved the stability of being connected between drilling rod 1 and the drill bit 4 effectively, avoided being connected the influence that brings for drilling rod 1 and drill bit 4 because of the screw thread is not hard up or the burr, thereby avoided the emergence of drill bit 4 dropout phenomenon in long-time repetitive motion effectively, provide assurance effectively for the probing operation of oil well.
In one embodiment, a spring washer is disposed between the top of the adjustment nut 709 and the bottom of the moving sleeve 703. By the arrangement, the pressure of the adjusting nut 709 on the moving sleeve 703 can be dispersed, so that the bottom of the moving sleeve 703 is protected.
In one embodiment, the top of the clamping portion 706 is provided with a clamping block 710, and the bottom of the fixing ring 707 is provided with a limiting groove 711 matched with the clamping block 710. By so doing, the connection between the gripping portion 706 and the fixing ring 707 is facilitated, so that it can exert a better gripping effect.
In one embodiment, a limiting ring 712 is sleeved on the outside of the top of the fixing column 701 and above the moving sleeve 703, and the bottom of the limiting ring 712 is fixedly connected with the top end of the spring 705. By the arrangement, the limiting ring 712 not only can limit the moving sleeve 703, but also facilitates the connection between the spring 705 and the limiting ring 712.
The working principle is as follows: during the installation, at first, realize being connected between spliced pole 6 and the second connecting portion 3 through the screw thread, then, rotate a plurality of adjusting nut 709 through the instrument in proper order, make adjusting nut 709 drive under the effect of second external screw 708 and remove cover 703 upward movement to make clamping part 706 drive grip block 710 upward movement and remove extremely in the spacing groove 711, thereby realize the centre gripping and fixed to spliced pole 6, finally, use through the cooperation of threaded connection and anti-drop mechanism 7, alright realize the stable connection between drilling rod 1 and the drill bit 4.
To sum up, with the help of the above technical scheme of the utility model, through anti-drop mechanism 7's use for it can play centre gripping and fixed effect to spliced pole 6 in second connecting portion 3 and spliced pole 6 threaded connection, thereby has improved the stability of being connected between drilling rod 1 and the drill bit 4 effectively, has avoided being connected the influence that brings for drilling rod 1 and drill bit 4 because of the screw thread is not hard up or the burr, thereby has avoided the emergence of drill bit 4 obscission in long-time repetitive motion effectively, provides assurance effectively for the probing operation of oil well.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The anti-falling drill rod for petroleum drilling comprises a drill rod (1) and is characterized in that a first connecting part (2) is arranged at the top of the drill rod (1), a second connecting part (3) is arranged at the bottom of the drill rod (1), and a drill bit (4) matched with the second connecting part (3) is arranged at the bottom of the second connecting part;
wherein, the bottom of second connecting portion (3) is seted up flutedly (5), just the inside of recess (5) is provided with the internal thread, the inside of recess (5) is provided with spliced pole (6), just the top outside of spliced pole (6) around be equipped with the first external screw thread of internal thread matched with, the bottom outside of spliced pole (6) with connect through a plurality of anti-drop mechanisms (7) between second connecting portion (3), the bottom of spliced pole (6) with the top fixed connection of drill bit (4).
2. The anti-drop drill rod for the oil drilling is characterized in that a plurality of first mounting grooves (8) matched with the anti-drop mechanisms (7) are formed in the outer side of the bottom of the second connecting part (3).
3. The anti-drop drill rod for the oil drilling according to claim 2, wherein the anti-drop mechanism (7) comprises a fixed column (701), a connecting block (702) is arranged at the top end of the fixed column (701), the top of the connecting block (702) is fixedly connected with the inner top of the first mounting groove (8), a moving sleeve (703) matched with the fixed column (701) is sleeved on the outer side of the fixed column (701), a second mounting groove (704) is formed in the moving sleeve (703), a spring (705) is arranged in the second mounting groove (704), the spring (705) is sleeved on the outer side of the fixed column (701), a clamping portion (706) is arranged on one side of the moving sleeve (703), a fixing ring (707) is arranged at the top of the clamping portion (706), and the fixing ring (707) is sleeved on the outer side of the bottom of the connecting column (6), and a second external thread (708) is wound at the bottom of the fixed column (701), and an adjusting nut (709) matched with the second external thread (708) is sleeved at the outer side of the bottom of the fixed column (701) and positioned below the moving sleeve (703).
4. The anti-drop drill rod for oil drilling as claimed in claim 3, wherein a spring washer is arranged between the top of the adjusting nut (709) and the bottom of the moving sleeve (703).
5. The anti-falling drill rod for the oil drilling is characterized in that a clamping block (710) is arranged at the top of the clamping part (706), and a limiting groove (711) matched with the clamping block (710) is formed at the bottom of the fixing ring (707).
6. The anti-drop drill rod for the oil drilling is characterized in that a limiting ring (712) is sleeved outside the top of the fixed column (701) and above the moving sleeve (703), and the bottom of the limiting ring (712) is fixedly connected with the top end of the spring (705).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797165.0U CN211173979U (en) | 2019-10-24 | 2019-10-24 | Anti-drop drilling rod for oil drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797165.0U CN211173979U (en) | 2019-10-24 | 2019-10-24 | Anti-drop drilling rod for oil drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211173979U true CN211173979U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921797165.0U Active CN211173979U (en) | 2019-10-24 | 2019-10-24 | Anti-drop drilling rod for oil drilling |
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| Country | Link |
|---|---|
| CN (1) | CN211173979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997534A (en) * | 2020-08-28 | 2020-11-27 | 李宛芸 | Petroleum drill pipe |
| CN114412376A (en) * | 2021-12-07 | 2022-04-29 | 南通永大管业股份有限公司 | Threaded connection device with bidirectional sealing function |
-
2019
- 2019-10-24 CN CN201921797165.0U patent/CN211173979U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997534A (en) * | 2020-08-28 | 2020-11-27 | 李宛芸 | Petroleum drill pipe |
| CN111997534B (en) * | 2020-08-28 | 2024-03-29 | 深圳市阿特拉能源技术有限公司 | Petroleum drill pipe |
| CN114412376A (en) * | 2021-12-07 | 2022-04-29 | 南通永大管业股份有限公司 | Threaded connection device with bidirectional sealing function |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200806 Address after: No.698, Qinghe 1st Road, industrial park, wharf Town, Zouping County, Binzhou City, Shandong Province Patentee after: Shandong Wangsheng Pump Co., Ltd Address before: 028000 Sports Square Road, Horqin district, Tongliao City, Inner Mongolia Autonomous Region Patentee before: Wang Tonglin |