CN209799863U - Double-drill-bit hollow push-pull system for torque self-balancing drilling tool system - Google Patents
Double-drill-bit hollow push-pull system for torque self-balancing drilling tool system Download PDFInfo
- Publication number
- CN209799863U CN209799863U CN201920663872.4U CN201920663872U CN209799863U CN 209799863 U CN209799863 U CN 209799863U CN 201920663872 U CN201920663872 U CN 201920663872U CN 209799863 U CN209799863 U CN 209799863U
- Authority
- CN
- China
- Prior art keywords
- push
- pull
- torque motor
- central shaft
- torque
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000000151 deposition Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 2
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
A double-drill-bit hollow push-pull system for a torque self-balancing drilling tool system belongs to the field of drilling and probing and comprises a hollow inner shaft, an upper connecting bolt, a torque motor, a push-pull central shaft and a lower pressure transmission assembly, wherein the hollow inner shaft, the push-pull central shaft and the torque motor are sleeved and coaxial from inside to outside, a sliding key on the push-pull central shaft is matched and connected with a sliding groove on a torque motor rotor, and the push-pull central shaft is connected with the hollow inner shaft through internal threads; pass down and press the subassembly to link to each other with the lower extreme of push-and-pull center pin, the utility model discloses utilize threaded connection can be with the characteristic that the transmission moment of torsion can transmit the axial force again, realize electric putter's hollowization, make it to realize being used for depositing the cable, carry liquid.
Description
Technical Field
The utility model belongs to well drilling, probing field relate to a push-and-pull device, especially relate to a moment of torsion self-balancing drilling tool system is with hollow push-and-pull system of double drill heads.
Background
in the drilling and boring process, the drill string deforms into a spiral shape under the action of torque, and collides and rubs with a well wall in the rotation process, so that the drill string is easily damaged in advance under the action of abrasion and alternating load, well accidents such as drilling tool breakage and the like are caused, and huge loss is brought to the whole project. With the increase of the drilling depth, the length of a drill string is lengthened, the proportion of energy consumed by the drill rod for overcoming various frictional resistances in a well is increased in the process of transferring the weight and the torque, so that an upper drilling machine is required to provide larger torque, after the well depth reaches a certain depth, an underground power tool is required to be added at a position close to a drill bit to provide torque for high-speed rotation of the drill bit, and the upper drill string is driven to rotate slowly through a ground rotary table top to provide reaction torque for the drill bit. Obviously, the reaction torque generated by the rotary rock crushing of the drilling tool in the well endangers the whole drill string and ground equipment, and the drilling process can be successfully implemented only by meeting the environmental condition of the reaction torque. The independent drill bit is used for crushing rock, and meanwhile, the surrounding rock is required to provide corresponding reaction torque for the rock contacted with the drill bit, so that the requirement on the surrounding rock of the well wall is high. When the drill bit meets broken strata, the inherent binding force of surrounding rocks cannot provide enough reaction torque for rocks contacted with the drill bit to form a blocky structure to be separated from a well wall, and circulating mud is rotated along a drill column to generate local turbulence to stir the well wall, so that the well hole is enlarged. Aiming at the technical difficulties and the defects of more accidents and high cost in the prior well, an underground torque self-balancing cabled drilling tool system is necessary to be provided, so that the adverse torque hazard generated by rotary drilling of a drill column is fundamentally solved, the disturbance intensity of unidirectional broken rock of a drill bit to surrounding rock is changed, ground drilling equipment, matched tools and a matched technological method are simplified, the purposes of less accidents in the well, low drilling cost, low energy consumption, high drilling efficiency and the like are realized, the drill bit as a rock breaking tool in drilling operation plays a decisive role in improving the drilling speed of a drilling machine, and the service life and the performance of the drill bit directly influence the quality, the speed and the comprehensive cost of a drilling project. The method aims at the precondition of self-balancing of the torque of the underground double-drill bit, namely the real-time adjustment of the drilling pressure of the inner drill bit and the outer drill bit. The function can be realized by the electric push rod, and the existing electric push rods on the market are basically solid, have large push-out force and small pull-back force, and cannot well meet the requirement of a torque self-balancing drilling tool system, so that a set of hollow electric push-pull system which can be used for storing cables or circulating drilling fluid is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a moment of torsion self-balancing drilling tool system is with hollow push-and-pull system of double drill bits realizes electronic the hollowing of pushing away, drawing the device, makes it can be used for depositing the cable, liquid transportation.
In order to achieve the above object, the utility model provides a moment of torsion self-balancing drilling tool system is with hollow push-pull system of double drill bits, a serial communication port, the hollow push-pull system of double drill bits includes: the hollow inner shaft, the push-pull central shaft and the torque motor are sleeved from inside to outside and are coaxial; the torque motor comprises a torque motor rotor, a torque motor stator, an upper connecting seal cover, a lower connecting seal cover and a torque motor bearing, wherein a sliding groove is arranged in the torque motor rotor along the axial direction of the torque motor rotor; the push-pull central shaft is positioned between the torque motor rotor and the hollow inner shaft, internal threads are arranged inside the push-pull central shaft, a sliding key is arranged outside the push-pull central shaft, the sliding key on the push-pull central shaft is matched and connected with a sliding chute on the torque motor rotor, and the push-pull central shaft is connected with the hollow inner shaft through the internal threads; the upper end of the hollow inner shaft is provided with a first external thread used for connecting an upper drilling tool, a first threaded hole is formed below the first external thread, the first threaded hole is connected with a second threaded hole in the upper connecting sealing cover through a connecting bolt, a second external thread is arranged in the middle of the hollow inner shaft, and the hollow inner shaft is in threaded fit with the internal thread in the push-pull central shaft through the second external thread arranged on the hollow inner shaft; the lower pressure transmission assembly is connected with the lower end of the push-pull central shaft and comprises a lower pressure transmission bearing, a first lower pressure transmission bearing anti-release part, a lower force transmission joint and a second lower pressure transmission bearing anti-release part, wherein the lower force transmission joint, the first lower pressure transmission bearing anti-release part, the second lower pressure transmission bearing anti-release part and the push-pull central shaft are sequentially and hermetically connected from outside to inside; the inner ring of the lower pressure transmission bearing is connected with the push-pull central shaft in an interference fit manner, the outer ring of the lower pressure transmission bearing is connected with the lower force transmission joint in an interference fit manner, and the lower part of the lower force transmission joint is provided with an external thread used for being connected with a lower self-balancing drilling tool.
And a clamping groove for placing an O-shaped rubber sealing ring is formed in the lower part of the hollow inner shaft.
The number of the clamping grooves is three.
The number of the sliding grooves is two.
The number of the sliding keys is the same as that of the sliding grooves, and the sliding keys correspond to the sliding grooves one to one.
The number of the first threaded holes is four, and the four first threaded holes are uniformly arranged along the circumferential direction of the hollow inner shaft.
The number of the first threaded holes is the same as that of the second threaded holes, and the first threaded holes correspond to the second threaded holes one to one.
Through the above design scheme, the utility model discloses following beneficial effect can be brought: the utility model discloses utilize threaded connection can be with the characteristic that the transmission moment of torsion can transmit the axial force again, realize electric putter's hollowization, make it can realize being used for depositing the cable, carry liquid.
Drawings
Fig. 1 is an appearance structure diagram of a double-drill-bit hollow push-pull system for a torque self-balancing drilling tool system according to an embodiment of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic sectional view taken along line B-B of fig. 1.
Fig. 4 is a schematic cross-sectional view of a hollow inner shaft according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of the push-pull center shaft according to the embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view of a torque motor according to an embodiment of the present invention.
Fig. 7 is a schematic view of the way of the push-pull center shaft respectively engaging with the hollow inner shaft and the torque motor rotor according to the embodiment of the present invention.
Fig. 8 is a schematic view of the way in which the push-pull center shaft is respectively engaged with the hollow inner shaft and the torque motor according to the embodiment of the present invention.
The parts in the drawings are numbered as follows: 1-a hollow inner shaft; 2-connecting the bolt; 3-connecting a sealing cover; 4-torque motor bearings; 5, pushing and pulling the central shaft; 6-torque motor rotor; 7-torque motor stator; 8-lower connecting sealing cover; 9-lower pressure transmission bearing; 10-a first lower transfer pressure bearing anti-drop; 11-lower force transfer joint; 12-a second lower pressure transmission bearing anti-release piece; 101-a first external thread; 102-a first threaded hole; 103-a second external thread; 104-card slot; 301-a second threaded hole; 501-sliding key; 502-internal thread; 503-external threads; 601-a chute; 801-lower external thread.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly. In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only, and the features defined as "first" and "second" do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the present invention provides a dual-bit hollow push-pull system for a torque self-balancing drilling tool system, comprising: the hollow inner shaft 1, the upper connecting bolt 2, the upper connecting seal cover 3, the torque motor, the push-pull central shaft 5 and the lower pressure transmission assembly are sleeved and coaxial from inside to outside; the torque motor comprises a torque motor rotor 6, a torque motor stator 7, an upper connecting seal cover 3, a lower connecting seal cover 8 and a torque motor bearing 4, wherein two chutes 601 are arranged inside the torque motor rotor 6, each chute 601 is axially arranged along the torque motor rotor 6, the upper end of the torque motor rotor 6 is in contact with the upper connecting seal cover 3 through the torque motor bearing 4, the lower end of the torque motor rotor 6 is in contact with the lower connecting seal cover 8 through the torque motor bearing 4 and is used for fixing the position of the torque motor rotor 6 and ensuring that the torque motor rotor 6 can freely rotate, and the lower part of the lower connecting seal cover 8 is provided with a lower external thread 801 which is used for connecting a lower drilling tool; the push-pull central shaft 5 is positioned between the torque motor rotor 6 and the hollow inner shaft 1, a section of internal thread 502 is arranged inside the push-pull central shaft 5, two sections of sliding keys 501 are arranged outside the push-pull central shaft 5, external threads 503 are arranged at the lower part of the push-pull central shaft 5, the sliding keys 501 on the push-pull central shaft 5 are matched and connected with a sliding groove 601 on the torque motor rotor 6, and meanwhile, the push-pull central shaft 5 is connected with the hollow inner shaft 1 through the internal thread 502; the upper end of the hollow inner shaft 1 is provided with a section of first external thread 101 for connecting an upper drilling tool, four first threaded holes 102 are uniformly distributed below the first external thread 101 along the circumferential direction of the hollow inner shaft 1, the four first threaded holes 102 are connected with four corresponding second threaded holes 301 on the upper connecting seal cover 3 through four upper connecting bolts 2, the middle part of the hollow inner shaft 1 is provided with a section of second external thread 103, and the hollow inner shaft 1 is in threaded fit with an internal thread 502 inside the push-pull central shaft 5 through the second external thread 103;
The lower pressure transmission assembly is connected with the lower end of the push-pull central shaft 5 through an external thread 503 and comprises a lower pressure transmission bearing 9, a first lower pressure transmission bearing anti-release part 10, a lower force transmission joint 11 and a second lower pressure transmission bearing anti-release part 12, wherein the lower force transmission joint 11, the first lower pressure transmission bearing anti-release part 10, the second lower pressure transmission bearing anti-release part 12 and the push-pull central shaft 5 are sequentially and hermetically connected from outside to inside, the inner ring of the lower pressure transmission bearing 9 is in interference fit connection with the push-pull central shaft 5, the outer ring of the lower pressure transmission bearing 9 is in interference fit connection with the lower force transmission joint 11, and the lower part of the lower force transmission joint 11 is provided with an external thread for connecting with a lower self-balancing drilling tool; when the push-pull central shaft 5 moves in the axial direction in work, although the rotation is accompanied, the first lower transmission pressure bearing anti-release part 10 and the lower force transmission joint 11 can not rotate under the action of the lower transmission pressure bearing 9, so that the lower transmission pressure assembly only transmits axial force and displacement to a lower drilling tool when the hollow push-pull system works;
the utility model provides a moment of torsion self-balancing drilling tool system is with hollow push-and-pull system of double drill bit, in operation, when the moment of torsion motor rotor 6 corotation, moment of torsion motor rotor 6 passes through feather key 501 transmission with its produced moment of torsion and transmits for rather than complex push-and-pull center pin 5 this moment, it is rotatory together to drive it, because push-and-pull center pin 5 passes through threaded connection with the hollow interior axle 1 that has been fixed, and push-and-pull center pin 5 can produce relative motion through the moment of torsion motor rotor 6 that spout 601 and axial are restrained, consequently push-and-pull center pin 5 can descend along the axle 1 epaxial predetermined second external thread 103 spiral in hollow, make hollow interior axle 1 receive a moment of torsion and axial power, the same reason, if when making push-and-pull center pin 5 upwards lifting, only need to change the current direction through torque motor so that the reversal.
The utility model provides an among the hollow push-and-pull system of two drill bits is used to moment of torsion self-balancing drilling tool system 1 lower part still is provided with three draw-in groove 104 that is used for laying O type rubber seal in the hollow, when 1 inside drilling fluid that has in the hollow center flows, should select waterproof bearing as passing down and press bearing 9, and place suitable wear-resisting O type rubber seal respectively in three draw-in groove 104 that sets up in advance, prevent to leak when having liquid to pass through 1 center channel in the hollow.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A double-bit push-pull system for a torque self-balancing drilling tool system, the double-bit push-pull system comprising: the device comprises a hollow inner shaft (1), an upper connecting bolt (2), a torque motor, a push-pull central shaft (5) and a lower pressure transmission assembly, wherein the hollow inner shaft (1), the push-pull central shaft (5) and the torque motor are sleeved from inside to outside and are coaxial; the torque motor comprises a torque motor rotor (6), a torque motor stator (7), an upper connecting sealing cover (3), a lower connecting sealing cover (8) and a torque motor bearing (4), wherein a sliding groove (601) which is axially arranged along the torque motor rotor (6) is formed in the torque motor rotor (6), the upper end of the torque motor rotor (6) is in contact with the upper connecting sealing cover (3) through the torque motor bearing (4), and the lower end of the torque motor rotor (6) is in contact with the lower connecting sealing cover (8) through the torque motor bearing (4); the push-pull central shaft (5) is positioned between the torque motor rotor (6) and the hollow inner shaft (1), an internal thread (502) is arranged inside the push-pull central shaft (5), a sliding key (501) is arranged outside the push-pull central shaft (5), the sliding key (501) on the push-pull central shaft (5) is matched and connected with a sliding groove (601) on the torque motor rotor (6), and the push-pull central shaft (5) is connected with the hollow inner shaft (1) through the internal thread (502); the upper end of the hollow inner shaft (1) is provided with a first external thread (101) for connecting an upper drilling tool, a first threaded hole (102) is formed below the first external thread (101), the first threaded hole (102) is connected with a second threaded hole (301) in the upper connecting sealing cover (3) through a connecting bolt (2), a second external thread (103) is formed in the middle of the hollow inner shaft (1), and the hollow inner shaft (1) is in threaded fit with an internal thread (502) in the push-pull central shaft (5) through the second external thread (103) arranged on the hollow inner shaft; the lower pressure transmission assembly is connected with the lower end of the push-pull central shaft (5), and comprises a lower pressure transmission bearing (9), a first lower pressure transmission bearing anti-release part (10), a lower force transmission joint (11) and a second lower pressure transmission bearing anti-release part (12), wherein the lower force transmission joint (11), the first lower pressure transmission bearing anti-release part (10), the second lower pressure transmission bearing anti-release part (12) and the push-pull central shaft (5) are sequentially and hermetically connected from outside to inside; the inner ring of the lower pressure transmission bearing (9) is connected with the push-pull central shaft (5) in an interference fit manner, the outer ring of the lower pressure transmission bearing (9) is connected with the lower force transmission joint (11) in an interference fit manner, and the lower part of the lower force transmission joint (11) is provided with an external thread used for being connected with a lower self-balancing drilling tool.
2. The double-drill hollow push-pull system for the torque self-balancing drilling tool system according to claim 1, characterized in that a clamping groove (104) for placing an O-shaped rubber sealing ring is arranged at the lower part of the hollow inner shaft (1).
3. The dual-bit push-pull system for a torque self-balancing drilling system as claimed in claim 2, wherein the number of the locking slots (104) is three.
4. The dual-bit push-pull system for a torque self-balancing drilling system according to claim 1, wherein the number of the sliding grooves (601) is two.
5. The double-drill hollow push-pull system for the torque self-balancing drilling tool system according to claim 1 or 4, wherein the number of the sliding keys (501) is the same as that of the sliding grooves (601), and the sliding keys correspond to the sliding grooves one by one.
6. The double-bit hollow push-pull system for the torque self-balancing drilling tool system according to claim 1, wherein the number of the first threaded holes (102) is four, and the four first threaded holes (102) are uniformly arranged along the circumferential direction of the hollow inner shaft (1).
7. The double-bit hollow push-pull system for the torque self-balancing drilling tool system according to claim 1, wherein the number of the first threaded holes (102) is the same as the number of the second threaded holes (301), and the first threaded holes correspond to the second threaded holes one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663872.4U CN209799863U (en) | 2019-05-10 | 2019-05-10 | Double-drill-bit hollow push-pull system for torque self-balancing drilling tool system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663872.4U CN209799863U (en) | 2019-05-10 | 2019-05-10 | Double-drill-bit hollow push-pull system for torque self-balancing drilling tool system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209799863U true CN209799863U (en) | 2019-12-17 |
Family
ID=68832233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920663872.4U Withdrawn - After Issue CN209799863U (en) | 2019-05-10 | 2019-05-10 | Double-drill-bit hollow push-pull system for torque self-balancing drilling tool system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209799863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185385A (en) * | 2019-05-10 | 2019-08-30 | 吉林大学 | A kind of torque self-balancing drilling system hollow push-pull system of double drill bits |
-
2019
- 2019-05-10 CN CN201920663872.4U patent/CN209799863U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185385A (en) * | 2019-05-10 | 2019-08-30 | 吉林大学 | A kind of torque self-balancing drilling system hollow push-pull system of double drill bits |
| CN110185385B (en) * | 2019-05-10 | 2024-01-12 | 吉林大学 | Double-drill hollow push-pull system for torque self-balancing drilling tool system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106761382B (en) | A kind of deep-well coring device and its operating method | |
| CN107165597B (en) | A kind of wire line coring tool and method | |
| CN110485923B (en) | Half-rotation well track control tool | |
| CN106869806B (en) | A kind of double drill bits of torque self-balancing nested type | |
| CN107795273B (en) | Double-drill torque self-balancing pressure adjusting device | |
| CN106677720B (en) | Drilling tool erection device for high revolving speed underground drill rig | |
| CN209799863U (en) | Double-drill-bit hollow push-pull system for torque self-balancing drilling tool system | |
| CN201502344U (en) | On-off lifting device for geological core cap drive drilling machine | |
| CN206592076U (en) | A kind of double drill bits of moment of torsion self-balancing nested type | |
| CN102536113B (en) | Underground electric drill device and method capable of reducing torque borne by drill stem | |
| CN202900039U (en) | Hole bottom power drilling tool adopting magnetic transmission technology | |
| CN110185385B (en) | Double-drill hollow push-pull system for torque self-balancing drilling tool system | |
| CN207092947U (en) | A kind of drilling speed device with composite drill bit | |
| CN213205584U (en) | Replaceable drill bit for oil exploitation | |
| CN212154690U (en) | Rotary drilling rig elevator with built-in gas transmission channel | |
| CN210127833U (en) | Rotary drilling bit of engineering drilling machine | |
| CN216588449U (en) | Self-balancing rotary vibration coupling rock crushing drilling bidirectional independent rotary driving mechanism | |
| CN209799862U (en) | Rotary driving system of underground torque self-balancing cabled drilling tool | |
| CN210127829U (en) | Drilling tool assembly of engineering drilling machine | |
| CN107269724B (en) | Semi-automatic torque coupling device | |
| CN205714034U (en) | Stop location indicator type shock-absorbing thrustor | |
| CN215927305U (en) | Horizontal coring improved rotary assembly structure | |
| CN217976070U (en) | Hydraulic clutch capable of switching drilling modes | |
| CN216477132U (en) | Self-balancing rotary vibration coupling rock crushing drilling back reaming and unfreezing system | |
| CN206233885U (en) | A kind of unscrewing device of fast changeable drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191217 Effective date of abandoning: 20240112 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191217 Effective date of abandoning: 20240112 |