CN208486831U - Drill bit with torsional pulse function - Google Patents
Drill bit with torsional pulse function Download PDFInfo
- Publication number
- CN208486831U CN208486831U CN201820766702.4U CN201820766702U CN208486831U CN 208486831 U CN208486831 U CN 208486831U CN 201820766702 U CN201820766702 U CN 201820766702U CN 208486831 U CN208486831 U CN 208486831U
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- China
- Prior art keywords
- vibration machine
- drill body
- drill
- gear wheel
- bit
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Abstract
The utility model relates to a kind of drill bits with torsional pulse function, are mainly made of drill body, drill body connector, gear wheel, vibration machine.Drill body is connected by the bit leg journel of its biasing with gear wheel, and vibration machine is mounted in drill body, and drill body connector is connected through a screw thread with drill body；At runtime, gear wheel both revolved with bit body, again around the bit leg journel rotation of drill body, while drill bit is with rotary cutting mode fractured rock, the spinning motion of gear wheel provides driving force for vibration machine, vibration machine generates periodic torsional pulse a little, facilitates the stick-slip phenomenon for reducing drill bit.
Description
Technical field
There is torsional pulse function for petroleum, gas drilling and other geological drillings the utility model relates to a kind of
The drill bit of energy.
Background technique
As economy continues to develop, Demand of Oil & Gas amount is increasing, and then mouth benefit is exhausted for China's Shallow Oil-Gas resource, oil gas
Development technique is constantly progressive, and the depth of oil/gas well increases, deep-well, ultradeep well number increase.Make the stratum that drilling engineering faces
Working environment is more complicated, and drilling depth is continuously increased, and rock hardness and strength under the effect of bottom confining pressure can all have obvious increasing
Add, causes drill bit efficiency of breaking rock not high.For drill bit when creeping into deep-well stratum, generally existing rate of penetration is very slow, drilling well is spent
It is at high cost, and the raising of bit speed key is how to improve the efficiency of breaking rock of drill bit.According to field experiment practical studies number
According to show while rotary drilling to drill bit apply periodic shock load, be conducive to improve drill bit efficiency of breaking rock, improve
The speed of drilling.
In oil drilling, drill bit is the main tool of fractured rock, and drill bit does not have usually when boring hard or abrasive layer
There are enough torques to carry out broken formation, so that drill bit moment be made to stop operating.Torsional energy storage is in drill string, once it produces
Torque needed for shearing-crushing stratum, drill string energy will discharge, and the shock loading for acting on drill bit will be than usually much higher, most
Drill bit is caused to fail eventually.It in drilling process, is generally mated and additional twisting vibration is provided using drilling tool, assist drill bit
Broken rock.Domestic and international major research institution has developed various torsional impact drilling tools, provides torsional pulse for drill bit, from
And reduce the stick-slip phenomenon of drill bit.In the drill bit produced and used at present, drill bit itself cannot generate twisting vibration, in order to reduce
The stick-slip phenomenon of drill bit only provides additional torsional pulse by torsional impact drilling tool, if torsional impact drilling tool is sent out
Raw failure, will be unable to provide additional torque for drill bit, this will will affect drilling efficiency.
Utility model content
Technical problem to be solved in the utility model be in view of the deficiency of the prior art and provide one kind
Facilitate synergy of raising speed, improves the drill bit with torsional pulse function of efficiency of breaking rock.
The technical solution of the utility model is: the drill bit with torsional pulse function, mainly by drill body, drill body
Connector, gear wheel, vibration machine composition；It is characterized in that: the drill body is provided with oil guiding hole a, oil filler point, slurry channel
A, slurry channel b, threaded hole, drill body top are installed with tooth, are installed with gauge teeth and PDC tooth in the middle part of drill body, spray
Mouth a, nozzle b are separately mounted to the outlet slurry channel a, slurry channel b；The gear wheel is provided with plug pin hole, and gear wheel is installed with
Tooth；The vibration machine includes thrust ball bearing a, jump bit, thrust ball bearing b, vibration machine upper housing, bearing
Installation set, sliding impact sleeve, pin, thrust ball bearing c, self-aligning ball bearing, vibration machine lower case, delivery set, bevel gear
B, steel ball b, plug, top cover, steel ball c, jump bit are provided with oil guiding hole d, oil guiding hole e, and the big end of vibration machine upper housing is set
It is equipped with counter sink and annular groove, delivery set is provided with oil guiding hole b, oil guiding hole c, and top cover is provided with aperture, installs vibration machine
When, self-aligning ball bearing, delivery set are successively packed into from vibration machine lower case upper end, by thrust ball bearing c, sliding impact sleeve
It is successively packed into from delivery set upper side, sliding impact sleeve and delivery set are fixed by pin, by bearing mounting sleeve under vibration machine
Shell upper end is packed into, and thrust ball bearing a is packed into bearing mounting sleeve, thrust ball bearing b, jump bit are sequentially loaded into vibration
After device upper housing, vibration machine upper housing is connected through a screw thread with vibration machine lower case, successively by steel ball c, bevel gear b
It is packed into top cover, steel ball b is packed into the aperture of top cover, with the aperture of plug top cover, is finally passed through bevel gear b and delivery set
It is threadedly coupled；When assembling the drill bit with torsional pulse function, O-ring seal is first packed into the annular of vibration machine upper housing
In slot, vibration machine is packed into drill body, vibration machine upper housing is connect with drill body using type face, to realize vibration
The circumferentially positioned of generator is moved, is fixed vibration machine upper housing with drill body with screw, to realize vibration machine
Circumferential and axial positioning, drill body connector is connected through a screw thread with drill body, then bevel gear a, cutting ferrule are sequentially loaded into tooth
The lower end journal of the lower end journal of wheel, bevel gear a and gear wheel using type face connect, realize bevel gear a it is circumferentially positioned, cutting ferrule with
The lower end journal of gear wheel is fixed, and realizes the axially position of bevel gear a, rectangular seal is then mounted on gear wheel bottom end inner ring,
Gear wheel is inserted in the bit leg journel of drill body, steel ball a is put into plug pin hole, plug pin is mounted in plug pin hole；Group installs
Cheng Hou adds lubricating oil by oil filler point, and with silk plug sealed oil-filling hole.
Plug pin in above scheme and plug pin hole using being interference fitted, oil guiding hole a, oil guiding hole b, oil guiding hole c, oil guiding hole d,
The bit leg journel channel of oil guiding hole e and drill body constitutes Oil Guide channel.
Tooth in above scheme is hard-metal insert；The bit leg journel of drill body passes through intensive treatment.
Rectangular seal in above scheme is metal o-ring, and intensive treatment is passed through on sealing ring surface.
The beneficial effects of the utility model are: (1) there is the drill bit of torsional pulse function to utilize the spinning motion of gear wheel, it is
Vibration machine provides driving force, and vibration machine will generate periodic torsional pulse a little, helps to reduce the viscous of drill bit
Sliding phenomenon；(2) drill bit has the comprehensive function of impact and cutting concurrently with breaking rock by rotary cutting, cutter breaking rock behavior, helps to mention
High drill bit center portion efficiency of breaking rock；(3) bit leg journel of drill body passes through intensive treatment, and intensity is high, and tough is good, leads
Oily channel can provide good lubricant environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the side view of the utility model.
Fig. 4 is the Section A-A figure of the utility model Fig. 2.
Fig. 5 is the section B-B figure of the utility model Fig. 3.
Fig. 6 is the C-C sectional view of the utility model Fig. 3.
Fig. 7 is I magnified partial view of the utility model Fig. 4.
Fig. 8 is the structural schematic diagram of gear wheel in the utility model.
Fig. 9 is the schematic diagram in Oil Guide channel in the utility model.
Figure 10 is the structural schematic diagram of drill body in the utility model.
Figure 11 is the distribution schematic diagram of slurry channel a in the utility model, slurry channel b, oil filler point.
Figure 12 is the side view of drill body in the utility model.
Figure 13 is the E-E sectional view of the utility model Figure 12.
Figure 14 is the F-F sectional view of the utility model Figure 12.
1. nozzle a in figure, 2. gauge teeths, 3. drill body connectors, 4. drill bodies, 5. nozzle b, 6.PDC teeth, 7. teeth
Tooth, 8. gear wheels, 9. plug pins, 10. steel ball a, 11. rectangular seals, 12. thrust ball bearing a, 13. jump bits, 14. thrust ball axis
Hold b, 15. vibration machine upper housings, 16.O type sealing ring, 17. screws, 18. bearing mounting sleeves, 19. sliding impact sleeves, 20.
Pin, 21. thrust ball bearing c, 22. self-aligning ball bearings, 23. vibration machine lower cases, 24. delivery sets, 25. cutting ferrules, 26.
Bevel gear a, 27. bevel gear b, 28. steel ball b, 29. plugs, 30. top covers, 31. steel ball c, 32. plug pin holes, 33. gear wheel lower body bottoms
Hold inner ring, 34. oil guiding hole a, 35. oil guiding hole b, 36. oil guiding hole c, 37. oil guiding hole d, 38. oil guiding hole e, 39. oil filler points, 40.
Slurry channel a, 41. slurry channel b, 42. threaded holes.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Referring to attached drawing, the drill bit with torsional pulse function is it is characterized by: have the drill bit of torsional pulse function, mainly
It is made of drill body 4, drill body connector 3, gear wheel 8, vibration machine；It is characterized in that: the drill body 4 is provided with
Oil guiding hole a34, oil filler point 39, slurry channel a40, slurry channel b41, threaded hole 42 are installed with tooth at the top of drill body 4
7, gauge teeth 2 and PDC tooth 6 are installed in the middle part of drill body 4, and nozzle a1, nozzle b5 are separately mounted to slurry channel a40, mud
The outlet channel b41；The gear wheel 8 is provided with plug pin hole 32, and gear wheel 8 is installed with tooth 7；The vibration machine includes pushing away
Power ball bearing a12, jump bit 13, thrust ball bearing b14, vibration machine upper housing 15, bearing mounting sleeve 18, sliding impact sleeve
19, pin 20, thrust ball bearing c21, self-aligning ball bearing 22, vibration machine lower case 23, delivery set 24, bevel gear b27,
Steel ball b28, plug 29, top cover 30, steel ball c31, jump bit 13 are provided with oil guiding hole d37, oil guiding hole e38, on vibration machine
The big end of shell 15 is provided with counter sink and annular groove, and delivery set 24 is provided with oil guiding hole b35, oil guiding hole c36, and top cover 30 is arranged
There is aperture, when vibration machine is installed, self-aligning ball bearing 22, delivery set 24 are successively filled from 23 upper end of vibration machine lower case
Enter, thrust ball bearing c21, sliding impact sleeve 19 is successively packed into from 24 upper ends of delivery set, sliding impact sleeve 19 and delivery set 24
It is fixed by pin 20, bearing mounting sleeve 18 is packed into from 23 upper end of vibration machine lower case, thrust ball bearing a12 is packed into axis
Installation set 18 is held, after thrust ball bearing b14, jump bit 13 are sequentially loaded into vibration machine upper housing 15, on vibration machine
Shell 15 is connected through a screw thread with vibration machine lower case 2, steel ball c31, bevel gear b27 is sequentially loaded into top cover 30, by steel
Ball b28 is packed into the aperture of top cover 30, and the aperture of top cover 30 is blocked with plug 29, finally passes through bevel gear b27 and delivery set 24
It is threadedly coupled；When assembling the drill bit with torsional pulse function, O type sealing ring 16 is first packed into vibration machine upper housing 15
Annular groove in, vibration machine is packed into drill body 4, vibration machine upper housing 15 and drill body 4 are connected using type face
It connects, it is with screw 17 that vibration machine upper housing 15 and drill body 4 is fixed to realize the circumferentially positioned of vibration machine, with
Realize the circumferential and axial positioning of vibration machine, drill body connector 3 is connected through a screw thread with drill body 4, then will bore tooth
Wheel a26, cutting ferrule 25 are sequentially loaded into the lower end journal of gear wheel 8, and bevel gear a26 is connect with the lower end journal of gear wheel 8 using type face, real
Existing bevel gear a26's is circumferentially positioned, and cutting ferrule 25 and the lower end journal of gear wheel 8 are fixed, and realizes the axially position of bevel gear a26, so
Rectangular seal 11 is mounted on gear wheel bottom end inner ring 33 afterwards, gear wheel 8 is inserted in the bit leg journel of drill body 4, by steel ball a10
It is put into plug pin hole 32, plug pin 9 is mounted in plug pin hole 32；After being completed, lubricating oil is added by oil filler point 39, and
With silk plug sealed oil-filling hole 39.
Plug pin 9 and plug pin hole 32 in above scheme is using interference fit, oil guiding hole a34, oil guiding hole b35, oil guiding hole
The bit leg journel channel composition Oil Guide channel of c36, oil guiding hole d37, oil guiding hole e38 and drill body 4.
Tooth 7 in above scheme is hard-metal insert；The bit leg journel of drill body 4 passes through intensive treatment.
Rectangular seal 11 in above scheme is metal o-ring, and intensive treatment is passed through on sealing ring surface.
The bit leg journel and 8 phase of gear wheel that the drill body 4 of the drill bit with torsional pulse function passes through its biasing
Connection, vibration machine are mounted in drill body 4, and drill body connector 3 is connected through a screw thread with drill body 4；It is running
When, gear wheel 8 not only revolved with bit body, but also around the bit leg journel rotation of drill body 4, drill bit is with rotary cutting mode fractured rock
Meanwhile the spinning motion of gear wheel 8 provides driving force for vibration machine, driving delivery set 24 drives sliding impact sleeve 19 periodically
Ground impact hammer 13, jump bit 13 generate periodic torsional pulse a little to drill body 4, help to reduce the viscous of drill bit
Sliding phenomenon.
Claims (4)
1. the drill bit with torsional pulse function is mainly sent out by drill body (4), drill body connector (3), gear wheel (8), vibration
Raw device composition；It is characterized in that: the drill body (4) is provided with oil guiding hole a (34), oil filler point (39), slurry channel a
(40), slurry channel b (41), threaded hole (42), drill body (4) top are installed with tooth (7), edge in the middle part of drill body (4)
Equipped with gauge teeth (2) and PDC tooth (6), nozzle a (1), nozzle b (5) are separately mounted to slurry channel a (40), slurry channel b
(41) it exports；The gear wheel (8) is provided with plug pin hole (32), and gear wheel (8) is installed with tooth (7)；The vibration machine
Including thrust ball bearing a (12), jump bit (13), thrust ball bearing b (14), vibration machine upper housing (15), bearing installation
Cover (18), sliding impact sleeve (19), pin (20), thrust ball bearing c (21), self-aligning ball bearing (22), vibration machine lower casing
Body (23), delivery set (24), bevel gear b (27), steel ball b (28), plug (29), top cover (30), steel ball c (31), jump bit
(13) it is provided with oil guiding hole d (37), oil guiding hole e (38), the big end of vibration machine upper housing (15) is provided with counter sink and ring
Shape slot, delivery set (24) are provided with oil guiding hole b (35), oil guiding hole c (36), and top cover (30) is provided with aperture, installs vibration
When device, self-aligning ball bearing (22), delivery set (24) are successively packed into from vibration machine lower case (23) upper end, by thrust ball axis
It holds c (21), sliding impact sleeve (19) to be successively packed into from delivery set (24) upper end, slides impact sleeve (19) and delivery set (24) leans on pin
It follows closely (20) to fix, bearing mounting sleeve (18) is packed into from vibration machine lower case (23) upper end, thrust ball bearing a (12) are filled
Enter bearing mounting sleeve (18), after thrust ball bearing b (14), jump bit (13) are sequentially loaded into vibration machine upper housing (15),
Vibration machine upper housing (15) is connected through a screw thread with vibration machine lower case (23), by steel ball c (31), bevel gear b
(27) top cover (30) are sequentially loaded into, steel ball b (28) are packed into the aperture of top cover (30), block opening for top cover (30) with plug (29)
Bevel gear b (27) and delivery set (24) are finally connected through a screw thread by hole；When assembling the drill bit with torsional pulse function, first
O-ring seal (16) are packed into the annular groove of vibration machine upper housing (15), vibration machine is packed into drill body
(4), vibration machine upper housing (15) is connect with drill body (4) using type face, to realize the circumferentially positioned of vibration machine,
It is with screw (17) that vibration machine upper housing (15) and drill body (4) are fixed, to realize the circumferential direction and axis of vibration machine
To positioning, drill body connector (3) is connected through a screw thread with drill body (4), then successively by bevel gear a (26), cutting ferrule (25)
It is packed into the lower end journal of gear wheel (8), bevel gear a (26) is connect with the lower end journal of gear wheel (8) using type face, realizes bevel gear a
(26) circumferentially positioned, cutting ferrule (25) and the lower end journal of gear wheel (8) are fixed, and realize the axially position of bevel gear a (26), then
Rectangular seal (11) is mounted on gear wheel bottom end inner ring (33), gear wheel (8) is inserted in the bit leg journel of drill body (4), it will
Steel ball a (10) is put into plug pin hole (32), and plug pin (9) is mounted in plug pin hole (32)；After being completed, pass through oil filler point
(39) lubricating oil is added, and with silk plug sealed oil-filling hole (39).
2. the drill bit according to claim 1 with torsional pulse function, it is characterized in that: plug pin (9) and plug pin hole (32)
Using interference fit, oil guiding hole a (34), oil guiding hole b (35), oil guiding hole c (36), oil guiding hole d (37), oil guiding hole e (38) and brill
The bit leg journel channel of head ontology (4) constitutes Oil Guide channel.
3. the drill bit according to claim 1 with torsional pulse function, it is characterized in that: tooth (7) is hard-metal insert；
The bit leg journel of drill body (4) passes through intensive treatment.
4. the drill bit according to claim 1 with torsional pulse function, it is characterized in that: rectangular seal (11) is metal
Sealing ring, and intensive treatment is passed through on sealing ring surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766702.4U CN208486831U (en) | 2018-05-22 | 2018-05-22 | Drill bit with torsional pulse function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820766702.4U CN208486831U (en) | 2018-05-22 | 2018-05-22 | Drill bit with torsional pulse function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208486831U true CN208486831U (en) | 2019-02-12 |
Family
ID=65253765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820766702.4U Expired - Fee Related CN208486831U (en) | 2018-05-22 | 2018-05-22 | Drill bit with torsional pulse function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208486831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487863A (en) * | 2018-05-22 | 2018-09-04 | 西南石油大学 | Drill bit with torsional pulse function |
-
2018
- 2018-05-22 CN CN201820766702.4U patent/CN208486831U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487863A (en) * | 2018-05-22 | 2018-09-04 | 西南石油大学 | Drill bit with torsional pulse function |
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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 |
Granted publication date: 20190212 Termination date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |