CN206769795U - Novel axial percussion tool with speed changing function - Google Patents
Novel axial percussion tool with speed changing function Download PDFInfo
- Publication number
- CN206769795U CN206769795U CN201720342402.9U CN201720342402U CN206769795U CN 206769795 U CN206769795 U CN 206769795U CN 201720342402 U CN201720342402 U CN 201720342402U CN 206769795 U CN206769795 U CN 206769795U
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- ring
- cam
- tooth
- spline
- adjustment
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Abstract
The utility model discloses a kind of novel axial percussion tool for being used in petroleum drilling operation have speed changing function, to solve the problems, such as that downhole tool power output is unstable, efficiency of breaking rock is not high.Its technical scheme is：The instrument by power section, variable part, impact portion packet into, power section is worm gear drive, mechanical energy is passed to lower end power transmission shaft by drilling fluid by turbine, power transmission shaft driving variable part work, the unstable low torque of power transmission shaft is to stablize high torque by variable part, and drive impact part to produce mechanical stability axial impact, so as to accelerate drill bit broken rock.The utility model can be converted to unstable low torque stable high torque output, and produce stable high frequency axial impact force, improve the efficiency of breaking rock of drill bit, reduce drilling cost.
Description
Technical field
It the utility model is related to a kind of for there is speed change work(in the fields such as oil drilling, mining, geological drilling
The novel axial percussion tool of energy.
Background technology
As the preferable Shallow Oil-Gas resource of preservation is increasingly exhausted, drilling engineering is gradually to rings such as deep-well, ultradeep wells at present
The severe field development of border condition.After well depth increase, the difficulty of drill bit fractured rock can greatly increase, and cause drill bit rate of penetration
Decline, the life-span substantially reduces, so as to increase drilling cost.Current underground speed-raising instrument, output is short of power, and the axle provided
It is unstable to impulsive force, efficiency of breaking rock can not be not only effectively improved, the unstable of drilling process can be caused on the contrary, reducing drill bit makes
Use the life-span.Based on this, the utility model proposes the novel axial percussion tool with speed changing function, by the unstable of turbine output
Low torque is converted into stable high torque, and the axial impact of stability and high efficiency is produced by lower cam structure, reaches raising broken rock
The purpose of efficiency.
The content of the invention
The purpose of this utility model is：In order to realize efficient drillng operation in complicated geological environment, broken rock effect is improved
Rate, spy provide the novel axial percussion tool with speed changing function.
To achieve the above object, the utility model uses following technical scheme：Novel axial impact with speed changing function
Instrument, including power section, variable part, impact part, the power section include screw, nut, adjustment ring a, adjustment ring
B, bearing holder (housing, cover), journal bearing, turbine stator, turbine rotor, upper shell, flat key, adjustment circle, guide ring, turbine wheel shaft, thrust bearing
Group, adjustment ring c, ring is tightened, turbine rotor, turbine stator, journal bearing, bearing holder (housing, cover), adjustment ring are installed in turbine wheel shaft upper end successively
B, adjustment ring a, and fixation is tightened by screw and nut, thrust bearing group is installed in the middle part of turbine wheel shaft, thrust bearing group upper end leads to
The adjustment circle and guide ring axially position installed in turbine wheel shaft lower end are crossed, thrust bearing group lower end is equipped with adjustment ring c, and by tightening
Ring tightens fixation；Variable part includes spline, dummy piston, upper radial ball bearing, stop nut, disc spring, thrust bearing, transmission
Axle, tooth wave producer, adjustment back-up ring, spline tooth, flexible tooth to, transmission housing, rotating seal ring, cod, output shaft, under
Radial ball bearing, rotary sealing appts a, transmission housing are connected by screw thread with upper shell, and power transmission shaft upper end passes through spline and whirlpool
Wheel shaft is connected, power transmission shaft be sequentially arranged with from top to bottom dummy piston, upper radial ball bearing, stop nut, disc spring, thrust bearing,
Back-up ring is adjusted, wherein thrust bearing upper end is fixed by stop nut, disc spring, and lower end is adjusted by adjustment back-up ring and positioned, transmission housing
It is tooth wave producer and spline toothing between output shaft, is cavity runner among output shaft, it is close that lower end is sequentially arranged with rotation
Seal, cod, lower radial ball bearing and rotary sealing appts a structures；Impact portion point includes middle housing, rotary sealing appts
B, center tap, overhead cam, lower cam, O-ring seal, flexible spline, lower axis body, lower contact a, safety buckle, lower contact b, middle shell
Body upper and lower part is connected with transmission housing and center tap by screw thread respectively, and rotatory sealing is provided between middle housing and center tap
Device b, overhead cam, lower cam, wherein overhead cam are threadedly attached on output shaft, and lower cam is close to overhead cam, and passes through
Internal thread is connected on lower axis body, and flexible spline is arranged on into lower cam lower end, when overhead cam falls from the peak of lower cam
When, flexible spline can effective damping, make impact more uniform, lower contact a be threadedly attached in center tap and lower contact b it
Between, it is provided with safety buckle in the middle part of lower axis body；Power transmission shaft lower end is ellipse, and tooth wave producer includes a pair of flexible tooths pair, wherein soft
The internal tooth of property tooth pair is connected with output shaft, and the external tooth of flexible tooth pair is connected with spline tooth；Overhead cam and lower cam are all convex for cylinder
Wheel, there is two crownings, forms motion between the two and coordinates；Safety buckle is connected between lower axis body and lower contact a, and it can
Allow the lower axis body of rotation that certain axial displacement occurs so that impulsive force useful effect is avoided that lower axis body on drill bit
Come off from lower contact a.
The beneficial effects of the utility model are：(1) positioned using spline, can effectively prevent part from circumferential and axial occur
Play；(2) the instrument variable part is provided with tooth wave producer, effectively can convert unstable low torque caused by turbine
To stablize high torque；(3) use of cam structure, which can produce, axially stablizes soft impulsive force, because cam structure bottom is set
Have flexible spline, can effective damping, so as to improve efficiency of breaking rock；(4) instrument button safe to use, can be in certain displacement
In the range of allow lower axis body by impact force action on drill bit, and can effectively avoids lower axis body from sliding.
Brief description of the drawings
Fig. 1 is the structural representation for the novel axial percussion tool that the utility model has speed changing function.
Fig. 2 is the Section A-A figure in Fig. 1.
Fig. 3 is the section B-B figure in Fig. 1.
Fig. 4 is the C-C sectional views in Fig. 1.
Fig. 5 is the D-D sectional views in Fig. 1.
Fig. 6 is cam portion structural representation.
1. screw in figure, 2. nuts, 3. adjustment ring a, 4. adjustment ring b, 5. bearing holder (housing, cover)s, 6. journal bearings, 7. turbine stators,
8. turbine rotor, 9. upper shells, 10. flat keys, 11. adjustment circles, 12. guide rings, 13. turbine wheel shafts, 14. thrust bearing groups, 15. adjust
Domain c, 16. tighten ring, 17. splines, 18. dummy pistons, radial ball bearing on 19., 20. stop nuts, 21. disc springs, and 22.
Thrust bearing, 23. power transmission shafts, 24. tooth wave producers, 25. adjustment back-up rings, 26. spline tooths, 27. flexible tooths pair, 28. gearboxes
Shell, 29. rotating seal rings, 30 cods, 31. output shafts, 32. times radial ball bearings, 33. rotary sealing appts a, 34. shells
Body, 35. rotary sealing appts b, 36. center taps, 37. overhead cams, 38. lower cams, 39.O type sealing rings, 40. flexible splines,
41. lower axis body, 42. lower contact a, 43. safety buckles, 44. lower contact b.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
With reference to the accompanying drawings 1, shown in Fig. 5, the novel axial percussion tool with speed changing function includes power section, speed changing portion
Point, impact part, the power section include screw 1, nut 2, adjustment ring a3, adjustment ring b4, bearing holder (housing, cover) 5, journal bearing 6,
Turbine stator 7, turbine rotor 8, upper shell 9, flat key 10, adjustment circle 11, guide ring 12, turbine wheel shaft 13, thrust bearing group 14,
Adjustment ring c15, tighten ring 16, the upper end of turbine wheel shaft 13 install successively turbine rotor 8, turbine stator 7, journal bearing 6, bearing holder (housing, cover) 5,
Adjustment ring b4, adjustment ring a3, and fixation is tightened by screw 1 and nut 2, the middle part of turbine wheel shaft 13 is provided with thrust bearing group 14, only
The upper end of thrust bearing group 14 passes through the adjustment circle 11 installed in the lower end of turbine wheel shaft 13 and the axially position of guide ring 12, thrust bearing group 14
Lower end is equipped with adjustment ring c15, and tightens fixation by tightening ring 16；Variable part includes spline 17, dummy piston 18, upper radial direction ball
Bearing 19, stop nut 20, disc spring 21, thrust bearing 22, power transmission shaft 23, tooth wave producer 24, adjustment back-up ring 25, spline tooth
26th, flexible tooth is to 27, transmission housing 28, rotating seal ring 29, cod 30, output shaft 31, lower radial ball bearing 32, rotation
Sealing device a33, transmission housing 28 are connected by screw thread with upper shell 9, and the upper end of power transmission shaft 23 passes through spline 17 and turbine wheel shaft 13
It is connected, power transmission shaft 23 is sequentially arranged with dummy piston 18, upper radial ball bearing 19, stop nut 20, disc spring 21, thrust from top to bottom
Bearing 22, adjustment back-up ring 25, the wherein upper end of thrust bearing 22 are fixed by stop nut 20, disc spring 21, and lower end is by adjustment back-up ring 25
Adjustment positioning, it is tooth wave producer 24 and the structure of spline tooth 26 between transmission housing 28 and output shaft 31, is among output shaft 31
Cavity runner, lower end are equipped with rotating seal ring 29, cod 30, lower radial ball bearing 32 and rotary sealing appts a33 structures；
Impact portion point include middle housing 34, rotary sealing appts b35, center tap 36, overhead cam 37, lower cam 38, O-ring seal 39,
Flexible spline 40, lower axis body 41, lower contact a42, safety buckle 43, lower contact b44, the middle upper and lower part of housing 34 respectively with speed change
Case shell 28 is connected with center tap 36 by screw thread, and rotary sealing appts b35, convex is provided between middle housing 34 and center tap 36
Wheel 37, lower cam 38, wherein overhead cam 37 are threadedly attached on output shaft 31, and lower cam 38 is close to overhead cam 37, and leads to
Cross internal thread to be connected on lower axis body 41, flexible spline 40 is provided between lower axis body 41 and output shaft 31, and be arranged on lower cam
38 lower ends, when overhead cam 37 falls from the peak of lower cam 38, stretch spline 40 can effective damping, make impact more equal
Even, lower contact a42 is threadedly attached between center tap 36 and lower contact b44, and the lower middle part of axis body 41 is provided with safety buckle 43；Pass
The lower end of moving axis 23 is ellipse, and tooth wave producer 24 includes a pair of flexible tooths to 27, wherein internal tooth and output of the flexible tooth to 27
Axle 29 is connected, and flexible tooth is connected to 27 external tooth with spline tooth 26；Overhead cam 37 and lower cam 38 are all cylindrical cam, are had
Two crownings, motion is formed between the two and is coordinated；Safety buckle 43 is connected between lower axis body 41 and lower contact a42, and it can
Allow the lower axis body 41 of rotation that certain axial displacement occurs so that impulsive force useful effect is avoided that lower axle on drill bit
Body 41 comes off from lower contact a42.
During work, drilling fluid enters turbine out of upper shell 9, is rotated by turbine drives turbine wheel shaft 13, while turbine wheel shaft
13 deliver torque to power transmission shaft 23 by spline 17, and power transmission shaft 23 can drive flexible tooth pair while driving output shaft 31 to rotate
27 transmissions, because output shaft 31 is ellipse, so as to which flexible tooth can be driven to form speed difference to 27 internal tooth external tooths, output shaft 31
The unstable low torque of power transmission shaft 23 will be converted into stable high torque and transmitted by speed less than the speed of power transmission shaft 23, this process
To output shaft 31；Due to being that flexible spline 40 connects between output shaft 31 and lower axis body 41, overhead cam 37 and output shaft 31 pass through
Threaded connection, overhead cam 38 and lower axis body 41 are also by threaded connection, then while output shaft 31 rotates, lower axis body 41 is with
Cam 38 also can be with rotation, due to overhead cam 37 and the motion mating feature of lower cam 38, meeting in cam structure rotary course
Promote lower axis body 41 to be pumped in the case where flexible spline 40 connects, stablize soft impulsive force so as to produce and pass to brill
Head, improve efficiency of breaking rock.
Claims (4)
1. the novel axial percussion tool with speed changing function, it is characterised in that：The novel axial punching with speed changing function
Hitting instrument includes power section, variable part, impact part, wherein variable part front end installation power section, rear end connection punching
Hit part；The power section includes screw (1), nut (2), adjustment ring a (3), adjustment ring b (4), bearing holder (housing, cover) (5), radial axle
Hold (6), turbine stator (7), turbine rotor (8), upper shell (9), flat key (10), adjustment circle (11), guide ring (12), turbine wheel shaft
(13), thrust bearing group (14), adjustment ring c (15), tighten ring (16), turbine wheel shaft (13) upper end install successively turbine rotor (8),
Turbine stator (7), journal bearing (6), bearing holder (housing, cover) (5), adjustment ring b (4), adjustment ring a (3), and by screw (1) and nut (2)
Fixation is tightened, thrust bearing group (14) is installed in the middle part of turbine wheel shaft (13), thrust bearing group (14) upper end passes through installed in turbine
The adjustment circle (11) and guide ring (12) axially position of axle (13) lower end, thrust bearing group (14) lower end are equipped with adjustment ring c (15),
And tighten fixation by tightening ring (16)；Variable part includes spline (17), dummy piston (18), upper radial ball bearing (19), anti-
Loose nut (20), disc spring (21), thrust bearing (22), power transmission shaft (23), tooth wave producer (24), adjustment back-up ring (25), spline
Tooth (26), flexible tooth are to (27), transmission housing (28), rotating seal ring (29), cod (30), output shaft (31), lower footpath
To ball bearing (32), rotary sealing appts a (33), transmission housing (28) is connected by screw thread with upper shell (9), power transmission shaft (23)
Upper end is connected by spline (17) with turbine wheel shaft (13), and power transmission shaft (23) is sequentially arranged with dummy piston (18), upper footpath from top to bottom
To ball bearing (19), stop nut (20), disc spring (21), thrust bearing (22), wherein adjustment back-up ring (25), thrust bearing (22)
Upper end is fixed by stop nut (20), disc spring (21), and lower end is adjusted by adjustment back-up ring (25) and positioned, transmission housing (28) and output
It is tooth wave producer (24) and spline tooth (26) structure between axle (31), is cavity runner among output shaft (31), lower end is equipped with
Rotating seal ring (29), cod (30), lower radial ball bearing (32) and rotary sealing appts a (33) structure；Impact part
Including middle housing (34), rotary sealing appts b (35), center tap (36), overhead cam (37), lower cam (38), O-ring seal
(39), stretch spline (40), lower axis body (41), lower contact a (42), safety buckle (43), lower contact b (44), on middle housing (34)
Portion and bottom are connected by screw thread with transmission housing (28) and center tap (36) respectively, between middle housing (34) and center tap (36)
Equipped with rotary sealing appts b (35), overhead cam (37), lower cam (38), wherein overhead cam (37) is threadedly attached in output
On axle (31), lower cam (38) is close to overhead cam (37), and is connected to by internal thread on lower axis body (41), by flexible spline
(40) lower cam (38) lower end is arranged on, when overhead cam (37) falls from the peak of lower cam (38), stretch spline (40)
Can effective damping, make impact more uniform, lower contact a (42) is threadedly attached in center tap (36) and lower contact b (44)
Between, it is provided with safety buckle (43) in the middle part of lower axis body (41).
2. the novel axial percussion tool according to claim 1 with speed changing function, it is characterised in that：Described transmission
Axle (23) lower end is ellipse, and tooth wave producer (24) includes a pair of flexible tooths to (27), wherein internal tooth of the flexible tooth to (27)
It is connected with output shaft (29), flexible tooth is connected to the external tooth of (27) with spline tooth (26).
3. the novel axial percussion tool according to claim 1 with speed changing function, it is characterised in that：Described is convex
It is all cylindrical cam to take turns (37) and lower cam (38), there is two crownings, forms motion between the two and coordinates.
4. the novel axial percussion tool according to claim 1 with speed changing function, it is characterised in that：Described safety
Button (43) is connected between lower axis body (41) and lower contact a (42), and it can allow for the lower axis body (41) of rotation to occur necessarily
Axial displacement so that impulsive force useful effect is avoided that lower axis body (41) comes off from lower contact a (42) on drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342402.9U CN206769795U (en) | 2017-04-01 | 2017-04-01 | Novel axial percussion tool with speed changing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342402.9U CN206769795U (en) | 2017-04-01 | 2017-04-01 | Novel axial percussion tool with speed changing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206769795U true CN206769795U (en) | 2017-12-19 |
Family
ID=60631587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720342402.9U Expired - Fee Related CN206769795U (en) | 2017-04-01 | 2017-04-01 | Novel axial percussion tool with speed changing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206769795U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685592A (en) * | 2019-10-14 | 2020-01-14 | 广汉市思明石油钻采设备配套有限公司 | Non-support speed-reducing turbine drilling tool for petroleum drilling |
| CN112983257A (en) * | 2019-12-16 | 2021-06-18 | 中国石油化工股份有限公司 | Drilling tool |
| CN116752914A (en) * | 2023-08-14 | 2023-09-15 | 东北石油大学三亚海洋油气研究院 | Cleaning device |
-
2017
- 2017-04-01 CN CN201720342402.9U patent/CN206769795U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685592A (en) * | 2019-10-14 | 2020-01-14 | 广汉市思明石油钻采设备配套有限公司 | Non-support speed-reducing turbine drilling tool for petroleum drilling |
| CN110685592B (en) * | 2019-10-14 | 2020-11-27 | 广汉市思明石油钻采设备配套有限公司 | Non-support speed-reducing turbine drilling tool for petroleum drilling |
| CN112983257A (en) * | 2019-12-16 | 2021-06-18 | 中国石油化工股份有限公司 | Drilling tool |
| US11946342B2 (en) | 2019-12-16 | 2024-04-02 | China Petroleum & Chemical Corporation | Drilling tool |
| CN116752914A (en) * | 2023-08-14 | 2023-09-15 | 东北石油大学三亚海洋油气研究院 | Cleaning device |
| CN116752914B (en) * | 2023-08-14 | 2023-11-10 | 东北石油大学三亚海洋油气研究院 | Cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171219 Termination date: 20190401 |