CN203978320U - Reverse circulation drilling driver drilling rod coupling arrangement - Google Patents
Reverse circulation drilling driver drilling rod coupling arrangement Download PDFInfo
- Publication number
- CN203978320U CN203978320U CN201420295960.0U CN201420295960U CN203978320U CN 203978320 U CN203978320 U CN 203978320U CN 201420295960 U CN201420295960 U CN 201420295960U CN 203978320 U CN203978320 U CN 203978320U
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- drilling rod
- rod coupling
- coupling sleeve
- key plate
- rotation key
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Abstract
A kind of reverse circulation drilling driver drilling rod coupling arrangement, belongs to borer drill rod connecting device technical field, connects for the drilling rod of reverse circulation engineering drilling rig.Its technical scheme is: drilling rod coupling sleeve and lower drilling rod coupling sleeve are welded respectively in upper drilling rod pipe lower end and lower drilling rod pipe upper end, the inwall of the outer wall of upper drilling rod coupling sleeve and lower drilling rod coupling sleeve adopts spline and spline to carry out plug-in type to connect, between upper drilling rod coupling sleeve and lower drilling rod coupling sleeve, eccentric rotation key plate has been installed.The utility model adopts splined, is difficult to the drawback of dismounting after can avoiding screw thread to hold tightly; Rotation key plate can longitudinally be locked upper drilling rod coupling sleeve and lower drilling rod coupling sleeve, avoids throwing off, and release is simultaneously very convenient.The utility model is simple in structure, connection is reliable, connect and dismounting all very convenient, time-consuming less, good, the long service life of safety.The utility model has solved a difficult problem for long-term puzzlement manufacturing enterprise and rig producer, has improved the service efficiency of clean-out machine.
Description
Technical field
The utility model relates to a kind of borer drill rod coupling arrangement, in particular for the drilling rod coupling arrangement of reverse circulation engineering drilling rig, belongs to borer drill rod connecting device technical field.
Background technology
Clean-out machine is the widely used drilling project equipment such as geological drilling, well-digging, mine locating, the reverse circulation engineering drilling rig of production and application at present, between upper drilling rod and lower drilling rod, adopt screwed union to connect, the lower end of upper drilling rod is welded with externally threaded sleeve, female sleeve is with in the upper end welding of lower drilling rod, the sleeve of upper drilling rod lower end screws in the sleeve of lower drilling rod upper end, by the mode of screw threads for fastening make upper drilling rod and lower drilling rod fastening.This connected mode in use often occurs that drilling rod connects locking and non-detachable phenomenon, especially when the drilling rod of high-torque drilling is due to probing, torsion is large, between upper and lower drilling rod thread connection further firm, dismantle more difficultly, therefore cause borer drill rod dismounting very difficult, length expends time in, cost is high, seriously reduced the production efficiency of rig, become the very thing of headache of rig user, the problem solving is badly in need of redesigning in Ye Shi rig manufacturer.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of reverse circulation drilling driver drilling rod coupling arrangement, and this drilling rod coupling arrangement can solve high pulling torque clean-out machine drilling rod in boring procedure and connect the non-detachable problem of locking occurring.
The technical scheme solving the problems of the technologies described above is:
A kind of reverse circulation drilling driver drilling rod coupling arrangement, its formation comprises drilling rod coupling sleeve, lower drilling rod coupling sleeve, upper drilling rod coupling sleeve is welded on the lower end of drilling rod pipe, lower drilling rod coupling sleeve is welded on the upper end of lower drilling rod pipe, the internal diameter of the external diameter of upper drilling rod coupling sleeve and lower drilling rod coupling sleeve matches, its improvements are, the inwall of the outer wall of upper drilling rod coupling sleeve and lower drilling rod coupling sleeve is smooth barrel, on the inwall circumference of lower drilling rod coupling sleeve, be evenly equipped with the spline of multiple protrusions, the axis of spline is parallel with drill rod axis, on the outer wall of upper drilling rod coupling sleeve, there is spline, spline on spline on lower drilling rod coupling sleeve inwall and upper drilling rod coupling sleeve outer wall matches, lower drilling rod coupling sleeve upper end is provided with rotation key plate by rotating shaft, on the outer tube wall circumference of the lower end of upper drilling rod coupling sleeve, there is the groove of level, the position of groove is relative with rotation key plate, one side of rotation key plate is embedded in groove.
Above-mentioned reverse circulation drilling driver drilling rod coupling arrangement, the spline on the inwall circumference of described lower drilling rod coupling sleeve is large modulus profile of tooth spline, the number of spline is 4-40.
Above-mentioned reverse circulation drilling driver drilling rod coupling arrangement, there is outwardly double-deck otic placode described lower drilling rod coupling sleeve upper end, rotation key plate is embedded in the gap between double-deck otic placode, rotating shaft is vertically through double-deck otic placode and rotation key plate, rotation key plate is eccentric disk, rotation key panel edges to the beeline of spindle central is less than the distance of spindle central and lower drilling rod coupling sleeve inner wall surface, and rotation key panel edges to the maximum distance of spindle central equates with the distance of the bottom portion of groove of the supreme drilling rod coupling sleeve of spindle central lower end outer tube wall.
Above-mentioned reverse circulation drilling driver drilling rod coupling arrangement, has the jack of level on the nearer edge of described rotation key plate distance center rotating shaft, be inserted with the driving lever of stirring rotation key plate in jack.
Above-mentioned reverse circulation drilling driver drilling rod coupling arrangement, is equipped with two O-ring seals on the bonding surface of the inwall of the outer wall of described upper drilling rod coupling sleeve and lower drilling rod coupling sleeve.
The beneficial effects of the utility model are:
Drilling rod coupling sleeve and lower drilling rod coupling sleeve are welded respectively in upper drilling rod pipe lower end of the present utility model and lower drilling rod pipe upper end, the outer wall of upper drilling rod coupling sleeve adopts large modulus profile of tooth spline and spline to carry out plug-in type with the inwall of lower drilling rod coupling sleeve to connect, large modulus profile of tooth spline can transmit very large moment of torsion, the drawback that is difficult to dismounting after can avoiding screw thread to hold tightly simultaneously; Between upper drilling rod coupling sleeve and lower drilling rod coupling sleeve, eccentric rotation key plate is installed, rotation key plate can longitudinally be locked upper drilling rod coupling sleeve and lower drilling rod coupling sleeve, avoid drilling rod coupling sleeve and lower drilling rod coupling sleeve in longitudinal disengagement, rotate rotation key plate simultaneously and get final product release, very convenient.The utility model is simple in structure, connection is reliable, connect and dismounting all very convenient, time-consuming less, safety is good, make easily, maintenance cost is low, long service life simultaneously.The utility model has solved a difficult problem for long-term puzzlement manufacturing enterprise and rig producer, thoroughly eliminate the locking that drilling rod connection occurs in boring procedure of high pulling torque clean-out machine and non-detachable phenomenon, greatly improve the service efficiency of clean-out machine, there is significant economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
In figure, mark is as follows: lower drilling rod pipe 1, lower drilling rod coupling sleeve 2, two O-ring seals 3, rotation key plate 4, upper drilling rod coupling sleeve 5, upper drilling rod pipe 6, rotating shaft 7, spline 8, otic placode 9, groove 10, jack 11.
Detailed description of the invention
The utility model is made up of upper drilling rod coupling sleeve 5, lower drilling rod coupling sleeve 2, rotation key plate 4.
In figure, show, upper drilling rod coupling sleeve 5 is welded on the lower end of drilling rod pipe 6, and lower drilling rod coupling sleeve 2 is welded on the upper end of lower drilling rod pipe 1, and upper drilling rod coupling sleeve 5 mates suit with lower drilling rod coupling sleeve 2.
In figure, show, the inwall of the outer wall of upper drilling rod coupling sleeve 5 and lower drilling rod coupling sleeve 2 is smooth barrel, on the inwall circumference of lower drilling rod coupling sleeve 2, be evenly equipped with the spline 8 of multiple protrusions, the axis of spline 8 is parallel with drill rod axis, on the outer wall of upper drilling rod coupling sleeve 5, have spline, the spline 8 on lower drilling rod coupling sleeve 2 inwalls matches with the spline on upper drilling rod coupling sleeve 5 outer walls.
In figure, show, the spline 8 on the inwall circumference of lower drilling rod coupling sleeve 2 is large modulus profile of tooth spline, and the number of profile of tooth spline is 4-40.Spline 8 can adopt the multiple strip key such as woodruff key, square button, and large modulus profile of tooth spline can transmit very large moment of torsion.Adopt spline 8 and spline to carry out plug-in type and connect can avoid adopting thread connection time the drawback that is difficult to dismounting after holding tightly because of screw thread.
In figure, show, in order to prevent that upper drilling rod coupling sleeve 5 and lower drilling rod coupling sleeve 2 from, in longitudinal disengagement, having adopted rotation key plate 4 to lock and release.Its structure is, has outwardly double-deck otic placode 9 in lower drilling rod coupling sleeve 2 upper ends, and rotation key plate 4 is embedded in the gap between double-deck otic placode 9, and rotating shaft 7 is vertical through double-deck otic placode 9 and rotation key plate 4, and rotation key plate 4 can rotate by twisted rotary shaft 7.On the outer tube wall circumference of the lower end of upper drilling rod coupling sleeve 5, there is the groove 10 of level, the position of groove 10 is relative with rotation key plate 4, when rotation key plate 4 turns to locked position, a side of rotation key plate 4 is embedded in groove 10 locks upper drilling rod coupling sleeve 5 with lower drilling rod coupling sleeve 2.
In figure, show, rotation key plate 4 is eccentric disk.Rotation key plate 4 edges are less than the distance of rotating shaft 7 centers and lower drilling rod coupling sleeve 2 inner wall surface to the beeline at rotating shaft 7 centers, when rotation key plate 4 turns to unlocked position, the minor face of rotation key plate 4 is relative with lower drilling rod coupling sleeve 2 inner wall surface, and rotation key plate 4 does not have in groove 10 that plate face embeds.The maximum distance at rotation key plate 4 edges to rotating shaft 7 centers equates with the distance of groove 10 bottoms of the rotating shaft 7 supreme drilling rod coupling sleeve 5 lower end outer tube walls in center, in the time that needs are locked, the longest edge that rotation key plate 4 turns to rotation key plate 4 is embedded in the groove 10 of drilling rod coupling sleeve 5 lower ends like this.
In figure, show, rotation key plate 4, apart from the jack 11 that has level on rotating shaft 7 compare Jin edges, center, is inserted with the driving lever of stirring rotation key plate 4 in jack 11.In the time that needs are stirred rotation key plate 4 and are rotated, driving lever is inserted in jack 11, promote driving lever rotation key plate 4 is rotated, complete locking or release.
In figure, show, on the bonding surface of the inwall of the outer wall of upper drilling rod coupling sleeve 5 and lower drilling rod coupling sleeve 2, be equipped with two O-ring seals 3.
Claims (5)
1. a reverse circulation drilling driver drilling rod coupling arrangement, its formation comprises drilling rod coupling sleeve (5), lower drilling rod coupling sleeve (2), upper drilling rod coupling sleeve (5) is welded on the lower end of drilling rod pipe (6), lower drilling rod coupling sleeve (2) is welded on the upper end of lower drilling rod pipe (1), the internal diameter of the external diameter of upper drilling rod coupling sleeve (5) and lower drilling rod coupling sleeve (2) matches, it is characterized in that: the upper outer wall of drilling rod coupling sleeve (5) and the inwall of lower drilling rod coupling sleeve (2) are smooth barrel, on the inwall circumference of lower drilling rod coupling sleeve (2), be evenly equipped with the spline (8) of multiple protrusions, the axis of spline (8) is parallel with drill rod axis, on the outer wall of upper drilling rod coupling sleeve (5), there is spline, spline (8) on lower drilling rod coupling sleeve (2) inwall matches with the spline on upper drilling rod coupling sleeve (5) outer wall, lower drilling rod coupling sleeve (2) upper end is provided with rotation key plate (4) by rotating shaft (7), on the outer tube wall circumference of the lower end of upper drilling rod coupling sleeve (5), there is the groove (10) of level, the position of groove (10) is relative with rotation key plate (4), one side of rotation key plate (4) is embedded in groove (10).
2. reverse circulation drilling driver drilling rod coupling arrangement according to claim 1, is characterized in that: the spline (8) on the inwall circumference of described lower drilling rod coupling sleeve (2) is large modulus profile of tooth spline, and the number of spline (8) is 4-40.
3. reverse circulation drilling driver drilling rod coupling arrangement according to claim 1 and 2, it is characterized in that: there is outwardly double-deck otic placode (9) described lower drilling rod coupling sleeve (2) upper end, rotation key plate (4) is embedded in the gap between double-deck otic placode (9), rotating shaft (7) is vertically through double-deck otic placode (9) and rotation key plate (4), rotation key plate (4) is eccentric disk, rotation key plate (4) edge is less than the distance of rotating shaft (7) center and lower drilling rod coupling sleeve (2) inner wall surface to the beeline at rotating shaft (7) center, the maximum distance at rotation key plate (4) edge to rotating shaft (7) center equates with the distance of groove (10) bottom of rotating shaft (7) the supreme drilling rod coupling sleeve in center (5) lower end outer tube wall.
4. reverse circulation drilling driver drilling rod coupling arrangement according to claim 3, it is characterized in that: described rotation key plate (4) is apart from the jack (11) that has level on compare Jin edge, rotating shaft (7) center, and jack is inserted with the driving lever of stirring rotation key plate (4) in (11).
5. reverse circulation drilling driver drilling rod coupling arrangement according to claim 4, is characterized in that: on the bonding surface of the inwall of the outer wall of described upper drilling rod coupling sleeve (5) and lower drilling rod coupling sleeve (2), be equipped with two O-ring seals (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295960.0U CN203978320U (en) | 2014-06-05 | 2014-06-05 | Reverse circulation drilling driver drilling rod coupling arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295960.0U CN203978320U (en) | 2014-06-05 | 2014-06-05 | Reverse circulation drilling driver drilling rod coupling arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978320U true CN203978320U (en) | 2014-12-03 |
Family
ID=51975779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295960.0U Withdrawn - After Issue CN203978320U (en) | 2014-06-05 | 2014-06-05 | Reverse circulation drilling driver drilling rod coupling arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978320U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018789A (en) * | 2014-06-05 | 2014-09-03 | 河北国峰重工机械有限公司 | Device for connecting drill pipes of reverse circulation drill |
| CN107965274A (en) * | 2018-01-08 | 2018-04-27 | 西南石油大学 | Spline slip-type drill string coupling arrangement |
| CN111894481A (en) * | 2020-07-20 | 2020-11-06 | 盐城市荣嘉机械制造有限公司 | Anti-falling structure of screw drill |
-
2014
- 2014-06-05 CN CN201420295960.0U patent/CN203978320U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018789A (en) * | 2014-06-05 | 2014-09-03 | 河北国峰重工机械有限公司 | Device for connecting drill pipes of reverse circulation drill |
| CN104018789B (en) * | 2014-06-05 | 2016-02-24 | 河北国峰重工机械有限公司 | Reverse circulation drilling driver drilling rod coupling arrangement |
| CN107965274A (en) * | 2018-01-08 | 2018-04-27 | 西南石油大学 | Spline slip-type drill string coupling arrangement |
| CN111894481A (en) * | 2020-07-20 | 2020-11-06 | 盐城市荣嘉机械制造有限公司 | Anti-falling structure of screw drill |
| CN111894481B (en) * | 2020-07-20 | 2021-06-04 | 盐城市荣嘉机械制造有限公司 | Anti-falling structure of screw drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |