CN202493216U - Easily assembled and disassembled kelly bar driver - Google Patents
Easily assembled and disassembled kelly bar driver Download PDFInfo
- Publication number
- CN202493216U CN202493216U CN 201220136620 CN201220136620U CN202493216U CN 202493216 U CN202493216 U CN 202493216U CN 201220136620 CN201220136620 CN 201220136620 CN 201220136620 U CN201220136620 U CN 201220136620U CN 202493216 U CN202493216 U CN 202493216U
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- China
- Prior art keywords
- kelly bar
- driving
- ring
- fuse
- sleeve
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of a kelly bar driving device, and particularly relates to an easily assembled and disassembled kelly bar driver. The kelly bar driver comprises a kelly bar, an outer driving sleeve, a driving core and a top ring, wherein the outer driving sleeve is sleeved on the outer side of the lower part of the kelly bar; an installation cavity is formed between the outer driving sleeve and the kelly bar; the driving core is arranged inside the installation cavity and is sleeved on the kelly bar; sleeve bosses are arranged on the outer side of the upper end of the outer driving sleeve; at least two position clamping grooves which are in circumference distribution are arranged at the upper ends of the sleeve bosses respectively; positioning clamping blocks which correspond to the positioning clamping grooves are arranged on the outer side of the driving core respectively; and the positioning clamping blocks are fixedly installed inside the positioning clamping grooves respectively. The kelly bar driver is reasonable and compact in structure and convenient to use; the outer driving sleeve and the driving core are fixedly connected through the positioning clamping blocks and the top ring, thereby realizing the transmission of torque and achieving the purpose of driving rotation; and meanwhile the kelly bar driver is convenient to assemble and disassemble; the labour intensity is reduced; the working time is reduced; the working efficiency is high; and the driving core is simple in structure and convenient to machine.
Description
Technical field
the utility model relates to the kelly bar technical field of driving, is a kind of formula kelly bar driver easy to assemble.
Background technology
when implementing under balance pressure drilling, controlled pressure drilling operation, well head must be equipped with rotating blowout preventer, and rotating blowout preventer need be by the bearing driven tool: promptly the kelly bar driver could operate as normal; Kelly bar commonly used at present is positive hexagonal kelly, and side is useful on the through hole 2 of overcurrent within it, rotates drive through kelly bar and drives fuse, drives fuse and gives the driving outer sleeve with transmission of torque again through the key ways of connecting; In this process, owing to receiving torsional interaction the phase, the bond distance is easy to generate distortion, make that dismounting is very difficult between driving outer sleeve and the driving fuse, labour intensity is big, the activity duration prolongs, and efficient is low; When on to driving core body and driving outer sleeve, processing keyway simultaneously,, bother, waste time and energy so process ten minutes because the keyway precision prescribed is higher.
Summary of the invention
the utility model provides a kind of formula kelly bar driver easy to assemble; Overcome the deficiency of above-mentioned prior art; It can effectively solve the kelly bar drive unit that in the past used and adopt the key ways of connecting, and dismounting is difficult, labour intensity is big, the activity duration is long, efficient is low; The trouble of keyway processing simultaneously, the problem that wastes time and energy.
The technical scheme of
the utility model realizes through following measure: a kind of formula kelly bar driver easy to assemble comprises kelly bar, drives outer sleeve, drives fuse and apical ring; Be set with the driving outer sleeve in the outside, the bottom of kelly bar, drive to form between outer sleeve and the kelly bar cavity is installed, the fuse of driving is arranged in cavity is installed and be sleeved on the kelly bar; There is the sleeve boss in the outside, upper end driving outer sleeve; The locating groove that at least two circle distribution are arranged respectively in the upper end of sleeve boss; The outside driving fuse has the positioning wedged block corresponding with locating groove respectively, and positioning wedged block is fixedly mounted in the locating groove respectively; Be installed with and drive fuse and be fixed on the apical ring in the installation cavity driving the upper end of outer sleeve with the sleeve boss; Circle distribution has the connection bump of the dextrorotation that matches with rotating blowout preventer swivel bearing top cover on the driving outer sleeve of sleeve boss downside.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
above-mentioned driving fuse can comprise that a left side drives fuse semi-ring and the right fuse semi-ring that drives; A left side drives the fuse semi-ring and is semi-annular shape with the right outside that drives the fuse semi-ring; In the upper end of sleeve boss two symmetrical locating grooves are arranged respectively, driving the fuse semi-ring has the positioning wedged block corresponding with locating groove on a left side respectively with right the driving on the fuse semi-ring, and positioning wedged block is separately fixed in the locating groove; There is annular groove inboard, upper end driving outer sleeve; Drive the fuse semi-ring has respectively and the corresponding semiorbicular outer lug boss of annular groove with right the driving on the fuse semi-ring on a left side, and a left side drives the fuse semi-ring and is separately fixed in the left part and right part of annular groove with the right outer lug boss that drives the fuse semi-ring.
but the upper end circle distribution of above-mentioned sleeve boss has at least two threaded connection holes; On apical ring, have respectively and the corresponding counter sink wide at the top and narrow at the bottom of threaded connection hole; The screw rod of attachment screw passes counter sink respectively and is fixedly mounted in the threaded connection hole through screw thread, and the fixed by nut of attachment screw is in counter sink.
but the upper end circle distribution of above-mentioned sleeve boss has four threaded connection holes; On apical ring, have respectively and corresponding four counter sinks of threaded connection hole; The screw rod of four attachment screws passes counter sink respectively and is fixedly mounted in the threaded connection hole through screw thread, and the fixed by nut of attachment screw is in counter sink.
Can there be screw thread the macropore inboard on the top of
above-mentioned counter sink, is fixedly connected with socket head pipe plug through screw thread in the counter sink above attachment screw, in the upper inner of socket head pipe plug hexagonal hole is arranged.
The lower outside of
above-mentioned kelly bar can have external screw thread.
but on the above-mentioned apical ring circle distribution at least two reinforcing ribs are arranged.
Can be evenly distributed in the connection bump of four dextrorotation on the driving outer sleeve of
above-mentioned sleeve boss downside.
the utility model reasonable and compact in structure, easy to use; Through positioning wedged block and apical ring the driving outer sleeve is fixedly connected with driving fuse, can realizes the transmission of moment of torsion, reach the purpose of driven in rotation; Easy accessibility has reduced labour intensity simultaneously, has reduced the activity duration, high efficiency; Drive the simple in structure, easy to process of fuse.
Description of drawings
accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
accompanying drawing 2 is that the A-A of accompanying drawing 1 is to the sectional structure sketch map.
accompanying drawing 3 is that the structure of the utility model most preferred embodiment splits axonometric drawing.
Coding in
accompanying drawing is respectively: 1 is kelly bar, and 2 is through hole, and 3 for driving outer sleeve, and 4 is connection bump, and 5 is the sleeve boss; 6 is locating groove, and 7 is positioning wedged block, and 8 is apical ring, and 9 is that a left side drives the fuse semi-ring; 10 is the right fuse semi-ring that drives, and 11 is socket head pipe plug, and 12 is annular groove, and 13 is the semi-ring outer lug boss; 14 is threaded connection hole, and 15 is counter sink, and 16 is attachment screw, and 17 is reinforcing rib.
The specific embodiment
the utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.
are in the utility model; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description 1, as: the position relation of upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
like accompanying drawing 1,2, shown in 3, this formula kelly bar driver easy to assemble comprises kelly bar 1, drives outer sleeve 3, drives fuse and apical ring 8; Be set with in the outside, the bottom of kelly bar 1 and drive outer sleeve 3, drive to form between outer sleeve 3 and the kelly bar 1 cavity is installed, the driving fuse is arranged in cavity is installed and be sleeved on the kelly bar 1; There is sleeve boss 5 in the outside, upper end driving outer sleeve 3; The locating groove 6 that at least two circle distribution are arranged respectively in the upper end of sleeve boss 5; The positioning wedged block 7 corresponding with locating groove 6 arranged respectively in the outside that drives fuse, and positioning wedged block 7 is fixedly mounted on respectively in the locating groove 6; Be installed with and drive fuse and be fixed on the apical ring 8 in the installation cavity driving the upper end of outer sleeve 3 with sleeve boss 5; Circle distribution has the connection bump 4 of the dextrorotation that matches with rotating blowout preventer swivel bearing top cover on the driving outer sleeve 3 of sleeve boss 5 downsides.Through positioning wedged block 7 and apical ring 8, make to drive fuse and drive outer sleeve 3 to be fixedly installed togather; When kelly bar 1 rotates, drive simultaneously to drive fuse and drive outer sleeve 3 and rotate; Drive outer sleeve 3 and through connection bump 4 the bearing top cover with the rotating blowout preventer of well head is rotated again, rotate, play driving action thereby drive the drilling rod that the well head below connects; Simple in structure, easy accessibility.
Can according to actual needs above-mentioned formula kelly bar driver easy to assemble be done further to optimize or/and improve:
drive fuse and comprise that a left side drives fuse semi-ring 9 and the right fuse semi-ring 10 that drives shown in accompanying drawing 3; A left side drives fuse semi-ring 9 and is semi-annular shape with the right outside that drives fuse semi-ring 10; Two symmetrical locating grooves 6 are arranged respectively in the upper end of sleeve boss 5, and driving fuse semi-ring 9 has the positioning wedged block 7 corresponding with locating groove 6 on a left side respectively with right the driving on the fuse semi-ring 10, and positioning wedged block 7 is separately fixed in the locating groove 6; There is annular groove 12 inboard, upper end driving outer sleeve 3; Drive fuse semi-ring 9 has respectively and annular groove 12 corresponding semiorbicular outer lug boss 13 with right the driving on the fuse semi-ring 10 on a left side, and a left side drives fuse semi-ring 9 and is separately fixed in the left part and right part of annular groove 12 with the right outer lug boss 13 that drives fuse semi-ring 10.When mounted, left side driving fuse semi-ring 9 and right driving fuse semi-ring 10 buckling sleeve respectively are contained on the kelly bar 1, are installed to and install in the cavity; The whole erection process is easier, increases work efficiency.
are shown in accompanying drawing 3; Circle distribution has at least two threaded connection holes 14 in the upper end of sleeve boss 5; On apical ring 8, have respectively and threaded connection hole 14 corresponding counter sinks wide at the top and narrow at the bottom 15; The screw rod of attachment screw 16 passes counter sink 15 respectively and is fixedly mounted in the threaded connection hole 14 through screw thread, and the fixed by nut of attachment screw 16 is in counter sink 15.Can prevent attachment screw 16 scratchings like this, easy to use; More attractive in appearance.
are shown in accompanying drawing 3; Circle distribution has four threaded connection holes 14 in the upper end of sleeve boss 5; On apical ring 8, have respectively and threaded connection hole 14 corresponding four counter sinks 15; The screw rod of four attachment screws 16 passes counter sink 15 respectively and is fixedly mounted in the threaded connection hole 14 through screw thread, and the fixed by nut of attachment screw 16 is in counter sink 15.
have screw thread in the macropore inboard on the top of counter sink 15 shown in accompanying drawing 3, be fixedly connected with socket head pipe plug 11 through screw thread in the counter sink 15 above attachment screw 16, in the upper inner of socket head pipe plug 11 hexagonal hole are arranged.Socket head pipe plug 11 can prevent that dust, steam from getting into the threaded connection place of attachment screw 16, effectively prevents attachment screw 16 corrosions, is convenient to the dismounting of attachment screw 16; Can be convenient to simultaneously the installation and removal of socket head pipe plug 11 through hexagon.
like accompanying drawing 1, shown in 3, in the lower outside of kelly bar 1 external screw thread is arranged.Being convenient to kelly bar 1 is connected with the drilling rod of its below.
like accompanying drawing 1, shown in 3, circle distribution has at least two reinforcing ribs 17 on apical ring 8.Reinforcing rib 17 can increase the intensity of apical ring 8.
are evenly distributed in the connection bump 4 of four dextrorotation as required on the driving outer sleeve 3 of sleeve boss 5 downsides.
above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The installation process of
the utility model most preferred embodiment: at first; Apical ring 8 and driving outer sleeve 3 are packed into the outside, kelly bar 1 bottom; Left side driving fuse semi-ring 9 is installed on the kelly bar 1 between apical ring 8 and the driving outer sleeve 3 is driven fuse semi-ring 10 with the right side; A left side is driven fuse semi-ring 9 fasten and make positioning wedged block 7 aligned draw-in groove 6 respectively with the right fuse semi-ring 10 that drives; From top to bottom be positioned over and install in the cavity, again apical ring 8 is installed on the driving outer sleeve 3 through attachment screw 16; Counter sink 15 internal threads fixed installation socket head pipe plug 11 above attachment screw 16; The lower end that drives outer sleeve 3 is passed rotating blowout preventer and is connected with downhole tool, is connected with the bearing top cover of the rotating blowout preventer that is installed in the well head place in the rotation convexity of driving outer sleeve 3 bottoms 5; During driving; Rotate through kelly bar 1; The left side driving fuse semi-ring 9 of drive and its engagement and 10 rotations of right driving fuse semi-ring, the downhole tool rotation that drives outer sleeve 3 simultaneously and be connected with kelly bar 1, the bearing top cover on rotating blowout preventer meshes rotation with rotation convexity 5.
Claims (10)
1. a formula kelly bar driver easy to assemble is characterized in that comprising kelly bar, drives outer sleeve, drives fuse and apical ring; Be set with the driving outer sleeve in the outside, the bottom of kelly bar, drive to form between outer sleeve and the kelly bar cavity is installed, the fuse of driving is arranged in cavity is installed and be sleeved on the kelly bar; There is the sleeve boss in the outside, upper end driving outer sleeve; The locating groove that at least two circle distribution are arranged respectively in the upper end of sleeve boss; The outside driving fuse has the positioning wedged block corresponding with locating groove respectively, and positioning wedged block is fixedly mounted in the locating groove respectively; Be installed with and drive fuse and be fixed on the apical ring in the installation cavity driving the upper end of outer sleeve with the sleeve boss; Circle distribution has the connection bump of the dextrorotation that matches with rotating blowout preventer swivel bearing top cover on the driving outer sleeve of sleeve boss downside.
2. formula kelly bar driver easy to assemble according to claim 1 is characterized in that driving fuse and comprises that a left side drives fuse semi-ring and the right fuse semi-ring that drives; A left side drives the fuse semi-ring and is semi-annular shape with the right outside that drives the fuse semi-ring; In the upper end of sleeve boss two symmetrical locating grooves are arranged respectively, driving the fuse semi-ring has the positioning wedged block corresponding with locating groove on a left side respectively with right the driving on the fuse semi-ring, and positioning wedged block is separately fixed in the locating groove; There is annular groove inboard, upper end driving outer sleeve; Drive the fuse semi-ring has respectively and the corresponding semiorbicular outer lug boss of annular groove with right the driving on the fuse semi-ring on a left side, and a left side drives the fuse semi-ring and is separately fixed in the left part and right part of annular groove with the right outer lug boss that drives the fuse semi-ring.
3. formula kelly bar driver easy to assemble according to claim 1 and 2; The upper end circle distribution that it is characterized in that the sleeve boss has at least two threaded connection holes; On apical ring, have respectively and the corresponding counter sink wide at the top and narrow at the bottom of threaded connection hole; The screw rod of attachment screw passes counter sink respectively and is fixedly mounted in the threaded connection hole through screw thread, and the fixed by nut of attachment screw is in counter sink.
4. formula kelly bar driver easy to assemble according to claim 3; The upper end circle distribution that it is characterized in that the sleeve boss has four threaded connection holes; On apical ring, have respectively and corresponding four counter sinks of threaded connection hole; The screw rod of four attachment screws passes counter sink respectively and is fixedly mounted in the threaded connection hole through screw thread, and the fixed by nut of attachment screw is in counter sink.
5. formula kelly bar driver easy to assemble according to claim 3; There is screw thread the macropore inboard that it is characterized in that the top of counter sink; Be fixedly connected with socket head pipe plug through screw thread in the counter sink above attachment screw, hexagonal hole arranged in the upper inner of socket head pipe plug.
6. formula kelly bar driver easy to assemble according to claim 4; There is screw thread the macropore inboard that it is characterized in that the top of counter sink; Be fixedly connected with socket head pipe plug through screw thread in the counter sink above attachment screw, hexagonal hole arranged in the upper inner of socket head pipe plug.
7. formula kelly bar driver easy to assemble according to claim 6; There is screw thread the macropore inboard that it is characterized in that the top of counter sink; Be fixedly connected with socket head pipe plug through screw thread in the counter sink above attachment screw, hexagonal hole arranged in the upper inner of socket head pipe plug.
8. formula kelly bar driver easy to assemble according to claim 7 is characterized in that the lower outside of kelly bar has external screw thread.
9. formula kelly bar driver easy to assemble according to claim 8 is characterized in that circle distribution has at least two reinforcing ribs on the apical ring.
10. formula kelly bar driver easy to assemble according to claim 9 is characterized in that being evenly distributed on the driving outer sleeve of sleeve boss downside the connection bump of four dextrorotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220136620 CN202493216U (en) | 2012-04-01 | 2012-04-01 | Easily assembled and disassembled kelly bar driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220136620 CN202493216U (en) | 2012-04-01 | 2012-04-01 | Easily assembled and disassembled kelly bar driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202493216U true CN202493216U (en) | 2012-10-17 |
Family
ID=46999450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220136620 Expired - Fee Related CN202493216U (en) | 2012-04-01 | 2012-04-01 | Easily assembled and disassembled kelly bar driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493216U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152623A (en) * | 2016-03-21 | 2019-01-04 | 黄迪熙 | Dismountable medical cutting tool |
| CN109577903A (en) * | 2018-12-27 | 2019-04-05 | 中国石油集团西部钻探工程有限公司 | Rotating blowout preventer rotation assembly easy to assemble |
| CN117404038A (en) * | 2023-12-12 | 2024-01-16 | 贵州桥梁建设集团有限责任公司 | Drilling device for excavating rock mass |
-
2012
- 2012-04-01 CN CN 201220136620 patent/CN202493216U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152623A (en) * | 2016-03-21 | 2019-01-04 | 黄迪熙 | Dismountable medical cutting tool |
| CN114191125A (en) * | 2016-03-21 | 2022-03-18 | 黄迪熙 | Detachable medical cutting tool |
| CN109577903A (en) * | 2018-12-27 | 2019-04-05 | 中国石油集团西部钻探工程有限公司 | Rotating blowout preventer rotation assembly easy to assemble |
| CN109577903B (en) * | 2018-12-27 | 2024-04-09 | 中国石油天然气集团有限公司 | Rotary assembly of rotary blowout preventer easy to disassemble and assemble |
| CN117404038A (en) * | 2023-12-12 | 2024-01-16 | 贵州桥梁建设集团有限责任公司 | Drilling device for excavating rock mass |
| CN117404038B (en) * | 2023-12-12 | 2024-03-12 | 贵州桥梁建设集团有限责任公司 | Drilling device for excavating rock mass |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20160401 |