CN201598972U - Self-rotating air hammer - Google Patents
Self-rotating air hammer Download PDFInfo
- Publication number
- CN201598972U CN201598972U CN2010201302148U CN201020130214U CN201598972U CN 201598972 U CN201598972 U CN 201598972U CN 2010201302148 U CN2010201302148 U CN 2010201302148U CN 201020130214 U CN201020130214 U CN 201020130214U CN 201598972 U CN201598972 U CN 201598972U
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- Prior art keywords
- bore bit
- top connection
- piston
- air hammer
- outer shell
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- Expired - Lifetime
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- 238000009826 distribution Methods 0.000 claims abstract description 63
- 238000005553 drilling Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 abstract 2
- 230000035939 shock Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000003209 petroleum derivative Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses an autorotation air hammer, including rotary isolation mechanism, rotary mechanism, valve mechanism, piston assembly and anti-drop bore bit, rotary isolation mechanism includes top connection, the sealed awl of rubber, contrary valve body, spring, sealing washer and outer jar, wherein, top connection one end and drilling tool combination threaded connection, the other end and the outer jar threaded connection of top connection, the sealed awl of rubber passes through spring location with contrary valve body between the distribution seat lid of top connection and valve mechanism, and the sealing washer sets up between top connection and outer jar. The utility model discloses not only can provide the shock function, can also the output torque, realize the autogyration of air hammer.
Description
Technical field
The utility model relates to oil and gas well drilling equipment manufacturing technology field, exactly relates to a kind of self-rotating air hammer that is applied in the petroleum gas gas drilling.
Background technology
The gas drilling technology adopts air hammer to rely on gases at high pressure to provide power to carry out the impact cutting rock.Existing air hammer structurally can only provide impact function, and can not output torque, the main Rotary table for drilling machine that relies on drives rotation, this instrument is respond well in the peupendicular hole intra-ocular applications, but in horizontal well, directional well drilling operation, because the wall friction resistance is excessive, conventional air hammer effect is very undesirable.
Publication number is CN101363305, and the Chinese patent literature that open day is on February 11st, 2009 discloses a kind of long-life high performance air hammer that is used for oil and gas well drilling.It can effectively improve air hammer application life and strengthen its overall performance.Its technical scheme is: the shell upper end is connected with top connection with screw thread, and the shell lower end is connected with lower contact with screw thread, and lower contact is connected with the drill bit spline again, and shell inner cavity is stepped; Distribution seat centre bore is equipped with non retern valve, spring, is equipped with dish spring group between top connection and distribution seat; Inner casing is installed in shell inner cavity, and the inner casing external surface is symmetrically distributed with four roads and axially rises as high as the banks, and is processed with gas communication hole radially in the groove, dress piston in the inner casing; Drill bit is processed with annular groove snap ring is installed, and the drill bit cylindrical is provided with a circle gauge teeth; Be equipped with gasket seal at inner casing and distribution seat fitting face.The utlity model has long and performance high two big features of life-span, can effectively improve air hammer application life and strengthen its overall performance; It is simple in structure, can be used in the petroleum gas gas drilling.
But technique scheme still only can provide impact function, can not output torque, and still rely on Rotary table for drilling machine to drive rotation, can not solve in horizontal well, directional well drilling process because of the excessive difficult problem that can not efficiently creep into of frictional resistance.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of self-rotating air hammer that is applicable in the petroleum gas gas drilling, the utility model not only can provide impact function, can also output torque, realized the spinning of air hammer, make air hammer realize the drilling mode that impact combines with rotary drilling, effectively solved in horizontal well, directional well drilling process and can't adopt conventional air hammer to realize a difficult problem of efficiently creeping into because of frictional resistance is excessive.
The utility model is realized by adopting following technical proposals:
A kind of self-rotating air hammer, comprise rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops, it is characterized in that: described rotation interrupter comprises top connection, rubber seal awl, check valve case, spring, sealing ring and outer shell, wherein, described top connection one end is threaded with drilling assembly, the other end of top connection is threaded with outer shell, described rubber seal awl and check valve case are positioned between the distribution flap of top connection and valve actuating mechanism by spring, and sealing ring is arranged between top connection and the outer shell.
Described rotating mechanism comprises clutch, rifle bar and rifle nut, wherein, clutch is installed in the distribution seat inside of valve actuating mechanism, rifle bar top is connected with clutch by spline, the rifle bar bottom is connected with rifle nut by spline, and rifle nut is by being threaded in the piston top of piston component.
Described valve actuating mechanism comprises throttling cock, distribution flap, distribution seat, inner casing and fairlead, wherein, the distribution flap is by being threaded in distribution seat top, the distribution seat is positioned at outer cylinder interior by key, throttling cock is installed in distribution flap inside, inner casing top and distribution seat are located by step, and the bottom contacts with fairlead, and the fairlead bottom is positioned at outer cylinder interior by step.
Described piston component comprises piston, drive sleeve and locating ring, and wherein, the piston bottom is connected with drive sleeve through spline, and drive sleeve is connected by the bore bit of spline with the anti-bore bit that drops, and locating ring is installed between the bore bit card cup of drive sleeve and the anti-bore bit that drops.
The described anti-bore bit that drops comprises bore bit card cup, bore bit, lower joint sleeve and anti-lost joint, wherein, bore bit card cup and bore bit are located by step, bore bit card cup is positioned at lower joint sleeve top, lower joint sleeve is connected with outer shell by screw thread, anti-lost joint buckles with lower joint sleeve mutually by step, and anti-lost joint is connected with bore bit by screw thread.
Annular space between inner casing, piston and the fairlead forms preceding air chamber.
Annular space between inner casing, piston, rifle bar and the distribution seat forms rear gas chamber.
With publication number is that CN101363305 is that the prior art of representative is compared, and advantage of the present utility model shows:
Because the utility model adopts " self-rotating air hammer that rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops form " such technical scheme, by the rotation interrupter can with air hammer rotatablely move and drill string is isolated, thereby reach the rotation of air hammer bottom and the non-rotary purpose in top, and the employing rotating mechanism, realized the unidirectional rotation of air hammer, it realizes the air hammer operate as normal in parts; The utility model not only can provide impact function, can also output torque, realized the spinning of air hammer, make air hammer realize the drilling mode that impact combines with rotary drilling, effectively solved in horizontal well, directional well drilling process and can't adopt conventional air hammer to realize a difficult problem of efficiently creeping into because of frictional resistance is excessive.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is a structural representation of the present utility model
Mark among the figure:
1, top connection, 2, rubber seal awl, 3, check valve case, 4, sealing ring, 5, spring, 6, the distribution flap, 7, key, 8, throttling cock, 9, clutch, 10, the distribution seat, 11, rifle bar, 12, rifle nut, 13, piston, 14, inner casing, 15, fairlead, 16, outer shell, 17, drive sleeve, 18, locating ring, 19, bore bit card cup, 20, bore bit, 21, lower joint sleeve, 22, anti-lost joint.
The specific embodiment
Embodiment 1
The utility model discloses a kind of self-rotating air hammer, comprise the rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops, described rotation interrupter comprises top connection 1, rubber seal awl 2, check valve case 3, spring 5, sealing ring 4 and outer shell 16, wherein, described top connection 1 one ends are threaded with drilling assembly, the other end of top connection 1 is threaded with outer shell 16, described rubber seal awl 2 and check valve case 3 are positioned at by spring 5 between the distribution flap 6 of top connection 1 and valve actuating mechanism, and sealing ring 4 is arranged between top connection 1 and the outer shell 16.Rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops all adopt existing mechanism of the prior art.
Embodiment 2
As the utility model one better embodiment, rotating mechanism described in the utility model comprises clutch 9, rifle bar 11 and rifle nut 12, wherein, clutch 9 is installed in distribution seat 10 inside of valve actuating mechanism, rifle bar 11 tops are connected with clutch 9 by spline, rifle bar 11 bottoms are connected with rifle nut 12 by spline, piston 13 tops of rifle nut 12 by being threaded in piston component.Valve actuating mechanism, piston component and the anti-bore bit that drops all adopt existing mechanism of the prior art.
Embodiment 3
As the utility model one better embodiment, the utility model discloses a kind of self-rotating air hammer, comprise the rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops, described rotation interrupter comprises top connection 1, rubber seal awl 2, check valve case 3, spring 5, sealing ring 4 and outer shell 16, wherein, described top connection 1 one ends are threaded with drilling assembly, the other end of top connection 1 is threaded with outer shell 16, described rubber seal awl 2 and check valve case 3 are positioned at by spring 5 between the distribution flap 6 of top connection 1 and valve actuating mechanism, and sealing ring 4 is arranged between top connection 1 and the outer shell 16; Described rotating mechanism comprises clutch 9, rifle bar 11 and rifle nut 12, wherein, clutch 9 is installed in distribution seat 10 inside of valve actuating mechanism, rifle bar 11 tops are connected with clutch 9 by spline, rifle bar 11 bottoms are connected with rifle nut 12 by spline, piston 13 tops of rifle nut 12 by being threaded in piston component.Described valve actuating mechanism comprises throttling cock 8, distribution flap 6, distribution seat 10, inner casing 14 and fairlead 15, wherein, distribution flap 6 is by being threaded in distribution seat 10 tops, distribution seat 10 is positioned at outer shell 16 inside by key 7, throttling cock 8 is installed in distribution flap 6 inside, inner casing 14 tops and distribution seat 10 are by the step location, and the bottom contacts with fairlead 15, and fairlead 15 bottoms are positioned at outer shell 16 inside by step.Piston component and the anti-bore bit that drops all adopt existing mechanism of the prior art.
Embodiment 4
As another better embodiment of the utility model, the utility model discloses a kind of self-rotating air hammer, comprise the rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops, described rotation interrupter comprises top connection 1, rubber seal awl 2, check valve case 3, spring 5, sealing ring 4 and outer shell 16, wherein, described top connection 1 one ends are threaded with drilling assembly, the other end of top connection 1 is threaded with outer shell 16, described rubber seal awl 2 and check valve case 3 are positioned at by spring 5 between the distribution flap 6 of top connection 1 and valve actuating mechanism, and sealing ring 4 is arranged between top connection 1 and the outer shell 16; Described rotating mechanism comprises clutch 9, rifle bar 11 and rifle nut 12, wherein, clutch 9 is installed in distribution seat 10 inside of valve actuating mechanism, rifle bar 11 tops are connected with clutch 9 by spline, rifle bar 11 bottoms are connected with rifle nut 12 by spline, piston 13 tops of rifle nut 12 by being threaded in piston component.Described valve actuating mechanism comprises throttling cock 8, distribution flap 6, distribution seat 10, inner casing 14 and fairlead 15, wherein, distribution flap 6 is by being threaded in distribution seat 10 tops, distribution seat 10 is positioned at outer shell 16 inside by key 7, throttling cock 8 is installed in distribution flap 6 inside, inner casing 14 tops and distribution seat 10 are by the step location, and the bottom contacts with fairlead 15, and fairlead 15 bottoms are positioned at outer shell 16 inside by step.Described piston component comprises piston 13, drive sleeve 17 and locating ring 18, wherein, piston 13 bottoms are connected with drive sleeve 17 through spline, and drive sleeve 17 is connected by the bore bit 20 of spline with the anti-bore bit that drops, and locating ring 18 is installed between the bore bit card cup 19 of drive sleeve 17 and the anti-bore bit that drops.The anti-bore bit that drops all adopts existing mechanism of the prior art.
Embodiment 5
As the utility model better embodiment again, the utility model discloses a kind of self-rotating air hammer, comprise the rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops, described rotation interrupter comprises top connection 1, rubber seal awl 2, check valve case 3, spring 5, sealing ring 4 and outer shell 16, wherein, described top connection 1 one ends are threaded with drilling assembly, the other end of top connection 1 is threaded with outer shell 16, described rubber seal awl 2 and check valve case 3 are positioned at by spring 5 between the distribution flap 6 of top connection 1 and valve actuating mechanism, and sealing ring 4 is arranged between top connection 1 and the outer shell 16; Described rotating mechanism comprises clutch 9, rifle bar 11 and rifle nut 12, wherein, clutch 9 is installed in distribution seat 10 inside of valve actuating mechanism, rifle bar 11 tops are connected with clutch 9 by spline, rifle bar 11 bottoms are connected with rifle nut 12 by spline, piston 13 tops of rifle nut 12 by being threaded in piston component.Described valve actuating mechanism comprises throttling cock 8, distribution flap 6, distribution seat 10, inner casing 14 and fairlead 15, wherein, distribution flap 6 is by being threaded in distribution seat 10 tops, distribution seat 10 is positioned at outer shell 16 inside by key 7, throttling cock 8 is installed in distribution flap 6 inside, inner casing 14 tops and distribution seat 10 are by the step location, and the bottom contacts with fairlead 15, and fairlead 15 bottoms are positioned at outer shell 16 inside by step.Described piston component comprises piston 13, drive sleeve 17 and locating ring 18, wherein, piston 13 bottoms are connected with drive sleeve 17 through spline, and drive sleeve 17 is connected by the bore bit 20 of spline with the anti-bore bit that drops, and locating ring 18 is installed between the bore bit card cup 19 of drive sleeve 17 and the anti-bore bit that drops.The described anti-bore bit that drops comprises bore bit card cup 19, bore bit 20, lower joint sleeve 21 and anti-lost joint 22, wherein, bore bit card cup 19 is located by step with bore bit 20, bore bit card cup 19 is positioned at lower joint sleeve 21 tops, lower joint sleeve 21 is connected with outer shell 16 by screw thread, anti-lost joint 22 buckles with lower joint sleeve 21 mutually by step, and anti-lost joint 22 is connected with bore bit 20 by screw thread.
Embodiment 6
As the utility model one example, with reference to Figure of description 1, its structure is as follows:
Top connection 1 top screw thread described in the utility model is connected with drilling assembly, and lower thread is connected with outer shell 16.Described rubber seal awl 2 and check valve case 3 are positioned between top connection 1 and the distribution flap 6 by spring 5, and distribution flap 6 is by being threaded in distribution seat 10 tops.Distribution seat 10 is positioned at outer shell 16 inside by key 7.Throttling cock 8 is installed in distribution flap 6 inside.Clutch 9 is installed in distribution seat 10 inside, and rifle bar 11 tops are connected with clutch 9 by spline, and rifle bar 11 bottoms are connected with rifle nut 12 by spline, and rifle nut 12 is by being threaded in piston 13 tops.Inner casing 14 tops and distribution seat 10 are by the step location, and the bottom contacts with fairlead 15, and fairlead 15 bottoms are positioned at outer shell 16 inside by step.The spline of piston 13 bottoms is connected with drive sleeve 17, drive sleeve 17 is connected with bore bit 20 by spline, bore bit card cup 19 is located by step with bore bit 20, bore bit card cup 19 is positioned at lower joint sleeve 21 tops, lower joint sleeve 21 is connected with outer shell 16 by screw thread, anti-lost joint 22 buckles with lower joint sleeve 21 mutually by step, and anti-lost joint 22 is connected with bore bit 20 by screw thread.
Air chamber before forming in the annular space between inner casing 14, piston 13 and fairlead 15; Annular space between inner casing 14, piston 13, rifle bar 11 and distribution seat 10 forms rear gas chamber.
Operating principle of the present utility model is as follows:
When carrying out gas drilling, the utility model connects at the bottom of the drilling assembly lower going-into-well by top connection 1, provide the high energy Compressed Gas by ground installation, gases at high pressure are pushed check valve case 3 open, gas by the air flue and the circular passage between inner casing 14 and the outer shell 16 offered in the distribution seat 10 after, the pore of offering on inner casing 14 enters preceding air chamber, and it is up to promote piston 13.This moment, clutch 9 was in contrary dentation attitude, rifle bar 11 can't rotate, the rifle nut 12 that rifle bar 11 connects by spline is then to right rotation, the piston 13 that drive is attached thereto is to right rotation, piston 13 drives drive sleeve 17 to right rotation, final drive sleeve 17 drives bore bit 20 to right rotation by spline, thereby has realized the utility model proposes the air hammer spinning.
After gases at high pressure promoted piston 13 up certain distances, the inlet channel of preceding air chamber was closed, and preceding air chamber inner high voltage gas enters in the well by the centre bore that the passage between drive sleeve 17 and piston 13 lower ends enters bore bit 20.When piston stroking upward arrives certain position, the exhaust passage of rear gas chamber is closed, the inlet channel of rear gas chamber is opened simultaneously, the pore of gases at high pressure on inner casing 14 enters rear gas chamber, when piston 13 moves to top dead-centre, gases at high pressure in the rear gas chamber promote piston 13 and quicken descending, behind the descent of piston certain distance, open the exhaust passage of rear gas chamber, rear gas chamber's exhaust, piston 13 continuation this moment are quickened descending, impact the upper surface of bore bit 20 up to it, thus the generation ballistic work that realization the utility model proposes.In the process that piston 13 is advanced downwards, clutch 9 is in along the dentation attitude, and rifle bar 11 can freely rotate, so piston does not rotate in descending process.When piston 13 finish bore bit 20 upper surfaces are impacted after, the inlet channel of preceding air chamber is opened, piston repeats above-mentioned action.
Claims (6)
1. self-rotating air hammer, comprise the rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and the anti-bore bit that drops, it is characterized in that: described rotation interrupter comprises top connection (1), rubber seal awl (2), check valve case (3), spring (5), sealing ring (4) and outer shell (16), wherein, described top connection (1) one end is threaded with drilling assembly, the other end of top connection (1) is threaded with outer shell (16), described rubber seal awl (2) and check valve case (3) are positioned at by spring (5) between the distribution flap (6) of top connection (1) and valve actuating mechanism, and sealing ring (4) is arranged between top connection (1) and the outer shell (16).
2. a kind of self-rotating air hammer according to claim 1, it is characterized in that: described valve actuating mechanism comprises throttling cock (8), distribution flap (6), distribution seat (10), inner casing (14) and fairlead (15), wherein, distribution flap (6) is by being threaded in distribution seat (10) top, distribution seat (10) is positioned at outer shell (16) inside by key (7), throttling cock (8) is installed in distribution flap (6) inside, inner casing (14) top and distribution seat (10) are located by step, the bottom contacts with fairlead (15), and fairlead (15) bottom is positioned at outer shell (16) inside by step.
3. a kind of self-rotating air hammer according to claim 2, it is characterized in that: described piston component comprises piston (13), drive sleeve (17) and locating ring (18), wherein, piston (13) bottom is connected with drive sleeve (17) through spline, drive sleeve (17) is connected by the bore bit (20) of spline with the anti-bore bit that drops, and locating ring (18) is installed between the bore bit card cup (19) of drive sleeve (17) and the anti-bore bit that drops.
4. a kind of self-rotating air hammer according to claim 3, it is characterized in that: the described anti-bore bit that drops comprises bore bit card cup (19), bore bit (20), lower joint sleeve (21) and anti-lost joint (22), wherein, bore bit card cup (19) is located by step with bore bit (20), bore bit card cup (19) is positioned at lower joint sleeve (21) top, lower joint sleeve (21) is connected with outer shell (16) by screw thread, anti-lost joint (22) buckles with lower joint sleeve (21) mutually by step, and anti-lost joint (22) is connected with bore bit (20) by screw thread.
5. a kind of self-rotating air hammer according to claim 4 is characterized in that: the annular space between inner casing (14), piston (13) and the fairlead (15) forms preceding air chamber.
6. a kind of self-rotating air hammer according to claim 5 is characterized in that: the annular space between inner casing (14), piston (13), rifle bar (11) and the distribution seat (10) forms rear gas chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201302148U CN201598972U (en) | 2010-03-12 | 2010-03-12 | Self-rotating air hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201302148U CN201598972U (en) | 2010-03-12 | 2010-03-12 | Self-rotating air hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201598972U true CN201598972U (en) | 2010-10-06 |
Family
ID=42810026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201302148U Expired - Lifetime CN201598972U (en) | 2010-03-12 | 2010-03-12 | Self-rotating air hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201598972U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781969A (en) * | 2010-03-12 | 2010-07-21 | 中国石油集团川庆钻探工程有限公司 | Self-rotating air hammer |
| CN103162983A (en) * | 2013-02-19 | 2013-06-19 | 西南石油大学 | Evaluation device and evaluation method for air hammer performance |
| CN110439458A (en) * | 2019-08-16 | 2019-11-12 | 苏州科艺油气工程设备服务有限公司 | A kind of Novel rotary pneumatic hammer rock steering drilling tool |
-
2010
- 2010-03-12 CN CN2010201302148U patent/CN201598972U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781969A (en) * | 2010-03-12 | 2010-07-21 | 中国石油集团川庆钻探工程有限公司 | Self-rotating air hammer |
| CN103162983A (en) * | 2013-02-19 | 2013-06-19 | 西南石油大学 | Evaluation device and evaluation method for air hammer performance |
| CN103162983B (en) * | 2013-02-19 | 2015-04-08 | 西南石油大学 | Evaluation device and evaluation method for air hammer performance |
| CN110439458A (en) * | 2019-08-16 | 2019-11-12 | 苏州科艺油气工程设备服务有限公司 | A kind of Novel rotary pneumatic hammer rock steering drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CCDC PETROLEUM DRILLING & PRODUCTION TECHNOLOGY Co.,Ltd. Assignor: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Contract record no.: 2013510000049 Denomination of utility model: Auto-rotation type air hammer Granted publication date: 20101006 License type: Exclusive License Record date: 20130715 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |