CN203939454U - The joint of the quick splicing type drilling rod of self-locking or drill bit - Google Patents
The joint of the quick splicing type drilling rod of self-locking or drill bit Download PDFInfo
- Publication number
- CN203939454U CN203939454U CN201420366523.3U CN201420366523U CN203939454U CN 203939454 U CN203939454 U CN 203939454U CN 201420366523 U CN201420366523 U CN 201420366523U CN 203939454 U CN203939454 U CN 203939454U
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- China
- Prior art keywords
- joint
- spline
- hole
- alignment pin
- drilling rod
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- Expired - Fee Related
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Abstract
The utility model discloses the joint of the quick splicing type drilling rod of self-locking or drill bit, comprise spline male joint and spline female joint, spline male joint is along the circumferential direction having groove near end, in spline female joint, along the even circumferential of spline female joint, some holes perpendicular to spline female joint circle wall are set, hole is through hole, in hole, inlay alignment pin, in spline male joint, be socketed sliding outer cover, the driving torque of this joint transmits by spline, and axial moment transmits by alignment pin and groove fit, thereby make spline male joint and spline female joint firm and reliable connection, the other end of spline male joint or spline female joint is fixed drill bit or drilling rod again, efficient and convenient while making to peg graft drill bit or drilling rod.
Description
Technical field
The utility model relates to a kind of colliery Drill Pipe Technology, particularly the joint of the quick splicing type drilling rod of self-locking or drill bit.
Background technology
Mining plug-in type drilling rod is mainly used in adopting in the more complicated colliery soft coal rock strata drawing-off gas boring work of geological condition, being characterized in can forward and reverse rotary drill rod, can in the time running into Complicated Geologic Condition and local collapse and block drilling rod, counter-rotate to again creep into after exiting again.But the plug-in type drilling rod of design mostly adopted four directions or six side's plugs in the past, so be subject to drill pipe diameter restriction area of section little, can carry torsional moment little, easily twist off, axially connection mostly adopts latch or bolt to fix, have easily the shortcomings such as come off, special tool dismounting is easily lost, easily gets rusty, needed to insufficient strength, dismounting inconvenience, latch or bolt and disassembly and assembly time is long, often drilling rod of dismounting needs several minutes.
Utility model content
Technical problem to be solved in the utility model is to provide the joint of the quick splicing type drilling rod of self-locking or drill bit, and this joint design is reasonable, connects reliably firmly, pegs graft convenient and swift, can fast and reliable connection or dismounting.
For achieving the above object, the utility model provides following technical scheme: the joint of the quick splicing type drilling rod of self-locking or drill bit, comprise spline male joint and spline female joint, described spline male joint is along the circumferential direction having groove near end, described spline female joint even circumferential arranges some holes perpendicular to spline female joint circle wall, hole is through hole, in hole, inlay the alignment pin can easy on and off sliding, the two ends diameter in hole is less than the diameter of alignment pin, and the diameter of hole mid portion is a bit larger tham the diameter of alignment pin, the degree of depth in hole is less than the height of alignment pin, on described spline male joint circumference, be socketed sliding outer cover, on the circumference of described spline male joint, be also socketed a spring, spring is between sliding outer cover and spline male joint, the inwall that described sliding outer cover is positioned at spring end place is provided with a circle step, the spline male joint that the is positioned at step outside nut that is threaded, step is between nut and spring.
Preferably, the concave surface of groove and the bottom surface of alignment pin at least line contact.
Preferably, sliding outer cover is arranging T-shaped groove near afterbody place, and described female joint is provided with protrusion and coordinates with T-shaped groove.
Preferably, alignment pin can be made into spheroidal or cylindrical, oval spherical, elliptical cylinder-shape, polygon, rectangle, upper and lower two sideband arcs, sphere, taper shape, truncated cone-shaped, trapezoidal self-lock pin shank.
Adopt technique scheme, utilize the alignment pin being embedded in hole in spline female joint to block the groove being arranged in spline male joint, in the time that the male joint of plug-in type spline is inserted spline female joint and is put in place, alignment pin falls in the groove of spline male joint, sliding outer cover is in spring action lower slider and cover alignment pin, by locked alignment pin in groove, the driving torque of this joint transmits by spline, and axial moment transmits by alignment pin and groove fit, thereby make spline male joint and spline female joint firm and reliable connection, the other end of spline male joint or spline female joint is fixed drill bit or drilling rod again, efficient and convenient while making to peg graft drill bit or drilling rod.
The concave surface of groove and the bottom surface of alignment pin at least line contact, and avoid alignment pin to rock in groove; Sliding outer cover is arranging T-shaped groove near afterbody place, and described female joint is provided with protrusion and coordinates with T-shaped groove, avoids sliding outer cover to rotate or slip.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that the utility model hole coordinates schematic diagram with ball.
Wherein, 1. spline male joint 2. spline female joint 3. hole 4. alignment pin 5. groove 6. sliding outer cover 7.T type groove 8. protrusion 9. spring 10. step 11. nuts.
Detailed description of the invention
Below in conjunction with accompanying drawing, by the description to embodiment, the utility model is described further:
As Fig. 1, shown in 2, the joint of the quick splicing type drilling rod of the utility model self-locking or drill bit, comprise spline male joint 1 and spline female joint 2, spline male joint 1 is along the circumferential direction having groove 5 near end, one section that spline female joint 2 diameters are less above arranges N the hole 3 perpendicular to spline female joint 2 circle wall along the even circumferential of spline female joint 2, hole 3 is through hole, in hole 3, inlay the alignment pin 4 can easy on and off sliding, the two ends diameter in hole 3 is less than the diameter of steel ball 4, and the diameter of hole 3 mid portions is a bit larger tham the diameter of alignment pin 4, the degree of depth in hole 3 is less than the height of alignment pin 4, it is the height that the wall thickness of a section that spline female joint 2 diameters are less is less than alignment pin 4, the concave of groove 5 is coincide consistent with the bottom shape contact of alignment pin 4, the center of circle in hole 3 is consistent with the distance of the distance of spline female joint 2 ends and the center of groove 5 and spline male joint 1 spline root, spline male joint 1 diameter is arranged from big to small on the circumference of second part and is socketed sliding outer cover 6, it is consistent that the internal diameter of sliding outer cover 6 and diameter are arranged the diameter of second part from big to small, sliding outer cover 6 is arranging T-shaped groove 7 near afterbody place, and described spline female joint 2 is provided with protrusion 8 and coordinates with T-shaped groove 7, spline male joint 1 diameter is arranged the outer socket spring 9 of circumference of the 3rd part from big to small, the inwall that sliding outer cover 6 is positioned at this part is provided with a circle step 10, step 10 contacts with the spline male joint 1 of this part just, and spline male joint 1 afterbody of this part is provided with external screw thread, a nut 11 is threaded on external screw thread, step 10 is between spring 9 and nut 11, other end tipped drill or the drilling rod of spline male joint 1 or spline female joint 2.
Adopt technique scheme, utilize the alignment pin 4 being embedded in hole 3 in spline female joint 2 to block the groove 5 being arranged in spline male joint 1, in the time that plug-in type spline male joint 1 is inserted spline female joint 2 and is put in place, alignment pin 4 falls in the groove 5 of spline male joint 1, sliding outer cover 6 acts on lower slider and covers alignment pin 4 at spring 9, by locked alignment pin 4 in groove 5, the driving torque of this joint transmits by spline, and axial moment coordinates with groove 5 by alignment pin 4 and transmits, thereby make spline male joint 1 and spline female joint 2 firm and reliable connection, the other end of spline male joint 1 or spline female joint 2 is fixed drill bit or drilling rod again, efficient and convenient while making to peg graft drill bit or drilling rod.
The utility model utilizes the spline of spline male joint 1 and spline female joint 2 to transmit rotation torque, take less space and but can transmit larger torsional moment, thereby the cross-sectional area of bayonet joint is increased, improve mechanical strength and the bearing torque of joint, made joint be not easy to be twisted off.
Alignment pin 4 of the present utility model can be made into spheroidal or cylindrical, oval spherical, elliptical cylinder-shape, polygon, rectangle, upper and lower two sideband arcs, sphere, taper shape, truncated cone-shaped, trapezoidal self-lock pin shank.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. the joint of the quick splicing type drilling rod of self-locking or drill bit, comprise spline male joint (1) and spline female joint (2), described spline male joint (1) is along the circumferential direction having groove (5) near end, it is characterized in that: described spline female joint (2) even circumferential arranges some holes (3) perpendicular to spline female joint (2) circle wall, hole (3) is through hole, in hole (3), inlay the alignment pin (4) can easy on and off sliding, the two ends diameter in hole (3) is less than the diameter of alignment pin (4), and the diameter of hole (3) mid portion is a bit larger tham the diameter of alignment pin (4), the degree of depth in hole (3) is less than the height of alignment pin (4), on described spline male joint (1) circumference, be socketed sliding outer cover (6), on the circumference of described spline male joint (1), be also socketed a spring (9), spring (9) is positioned between sliding outer cover (6) and spline male joint (1), the inwall that described sliding outer cover (6) is positioned at spring (9) end is provided with a circle step (10), the spline male joint (1) that is positioned at step (10) the outside nut (11) that is threaded, step (10) is positioned between nut (11) and spring (9).
2. the joint of the quick splicing type drilling rod of self-locking according to claim 1 or drill bit, is characterized in that: the bottom surface of the concave surface of described groove (5) and alignment pin (4) at least line contacts.
3. the joint of the quick splicing type drilling rod of self-locking according to claim 1 or drill bit, it is characterized in that: described sliding outer cover (6) is arranging T-shaped groove (7) near afterbody place, and described spline female joint (2) is provided with protrusion (8) and coordinates with T-shaped groove (7).
4. the joint of the quick splicing type drilling rod of self-locking according to claim 1 or drill bit, it is characterized in that: described alignment pin (4) can be made into spheroidal or cylindrical, oval spherical, elliptical cylinder-shape, polygon, rectangle upper and lower two sideband arcs, sphere, taper shape, truncated cone-shaped, trapezoidal self-lock pin shank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366523.3U CN203939454U (en) | 2014-07-03 | 2014-07-03 | The joint of the quick splicing type drilling rod of self-locking or drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366523.3U CN203939454U (en) | 2014-07-03 | 2014-07-03 | The joint of the quick splicing type drilling rod of self-locking or drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203939454U true CN203939454U (en) | 2014-11-12 |
Family
ID=51858777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420366523.3U Expired - Fee Related CN203939454U (en) | 2014-07-03 | 2014-07-03 | The joint of the quick splicing type drilling rod of self-locking or drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203939454U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014284A (en) * | 2016-07-11 | 2016-10-12 | 钟鸣远 | Spline socket buckling-type mine forward-backward rotating drill stem connector |
| CN107178318A (en) * | 2017-06-01 | 2017-09-19 | 陈立新 | Water drilling quick-acting connector with anti-locking function |
| CN107366512A (en) * | 2016-05-13 | 2017-11-21 | 周兆弟 | A kind of easy-to-dismount drill rod assemblies |
| CN108798518A (en) * | 2017-05-01 | 2018-11-13 | 维米尔制造公司 | Double rod directional drilling system |
| CN108868655A (en) * | 2018-07-02 | 2018-11-23 | 西南石油大学 | A kind of oil/gas well drill string torque protective device |
| CN109702599A (en) * | 2018-11-27 | 2019-05-03 | 大唐湘潭发电有限责任公司 | A kind of mechanical seal dynamic and static ring arrangement for grinding |
| US11180962B2 (en) | 2018-11-26 | 2021-11-23 | Vermeer Manufacturing Company | Dual rod directional drilling system |
-
2014
- 2014-07-03 CN CN201420366523.3U patent/CN203939454U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366512A (en) * | 2016-05-13 | 2017-11-21 | 周兆弟 | A kind of easy-to-dismount drill rod assemblies |
| CN106014284A (en) * | 2016-07-11 | 2016-10-12 | 钟鸣远 | Spline socket buckling-type mine forward-backward rotating drill stem connector |
| CN106014284B (en) * | 2016-07-11 | 2018-06-05 | 钟鸣远 | Rotating tool joint that spline socket joint plug-in is mining |
| CN108798518A (en) * | 2017-05-01 | 2018-11-13 | 维米尔制造公司 | Double rod directional drilling system |
| CN107178318A (en) * | 2017-06-01 | 2017-09-19 | 陈立新 | Water drilling quick-acting connector with anti-locking function |
| CN108868655A (en) * | 2018-07-02 | 2018-11-23 | 西南石油大学 | A kind of oil/gas well drill string torque protective device |
| US11180962B2 (en) | 2018-11-26 | 2021-11-23 | Vermeer Manufacturing Company | Dual rod directional drilling system |
| CN109702599A (en) * | 2018-11-27 | 2019-05-03 | 大唐湘潭发电有限责任公司 | A kind of mechanical seal dynamic and static ring arrangement for grinding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20160703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |