CN206888918U - One kind can steering screw drilling tool - Google Patents
One kind can steering screw drilling tool Download PDFInfo
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- CN206888918U CN206888918U CN201720766393.6U CN201720766393U CN206888918U CN 206888918 U CN206888918 U CN 206888918U CN 201720766393 U CN201720766393 U CN 201720766393U CN 206888918 U CN206888918 U CN 206888918U
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Abstract
Can steering screw drilling tool the utility model discloses one kind, including cylinder, by-pass valve assembly, fluid motor assembly, universal axle assembly, driving-shaft assembly and electric rotating machine, the by-pass valve assembly, fluid motor assembly, universal axle assembly and driving-shaft assembly are arranged in cylinder, the by-pass valve assembly, fluid motor assembly, universal axle assembly and driving-shaft assembly are sequentially connected from top to bottom, the upper end drive connection of the electric rotating machine and drilling rod, the lower end of the drilling rod is fixedly connected with cylinder upper end, and the cylinder has angle with drilling rod bearing of trend.The utility model structure is novel, and helicoid hydraulic motor can be turned to during drilling, break traditions helicoid hydraulic motor can only directional drilling this problem, meanwhile, cylinder is rotated in boring procedure, increases the diameter of drilling, so as to play a part of reaming.
Description
Technical field
The present invention relates to drilling well apparatus field, and more particularly to one kind can steering screw drilling tool.
Background technology
Helicoid hydraulic motor is a kind of using drilling fluid as power, liquid pressure energy is converted into the positive displacement well dynamic of mechanical energy
Drilling tool.Enter motor when the mud that slush pump pumps out flows through by-passing valve, certain pressure differential is formed in the import and export of motor, is pushed away
Turn is rotated around the axis of stator, and rotating speed and moment of torsion are passed into drill bit by universal drive shaft and power transmission shaft, is bored so as to realize
Well works.
In the operation of current oil drilling, helicoid hydraulic motor all can be only done directed drilling work, with oil drilling row
The continuous development of industry, requirement to helicoid hydraulic motor also more and more higher, it is desirable to which helicoid hydraulic motor will not only complete directed drilling work, also
Need that steering drilling can be carried out in boring procedure.
The content of the invention
To solve the above problems, the invention discloses one kind can steering screw drilling tool, structure is novel, and helicoid hydraulic motor is drilling
During can be turned to, break traditions helicoid hydraulic motor can only directional drilling this problem, meanwhile, cylinder is in boring procedure
Rotated, increase the diameter of drilling, so as to play a part of reaming.
To reach above-mentioned purpose, technical scheme is as follows：
One kind can steering screw drilling tool, including cylinder, by-pass valve assembly, fluid motor assembly, universal axle assembly, power transmission shaft be total
Into and electric rotating machine, the by-pass valve assembly, fluid motor assembly, universal axle assembly and driving-shaft assembly be arranged in cylinder,
The by-pass valve assembly, fluid motor assembly, universal axle assembly and driving-shaft assembly are sequentially connected from top to bottom,
The by-pass valve assembly includes valve element, valve seat, spring and by-pass prot, and the valve element and valve seat are tubular, described
Valve seat is connected in cylinder, and the valve seat is socketed on valve element, and the valve element can slide up and down in cylinder, and the spring is set
Between valve element and valve seat, the by-pass prot is arranged in the side wall of cylinder；
The fluid motor assembly includes stator and rotor, and spiral endoporus, the outer wall of the rotor are provided with the stator
It is provided with that the helical form being engaged with stator spiral endoporus is linear, and the rotor is arranged in stator, the rotor and stator phase
Mutually engagement, the number of teeth of the gear ratio rotor outer wall of the stator spiral endoporus are more one；
The universal axle assembly includes universal drive shaft, and the universal drive shaft upper end is fixedly connected with the rotor, the universal drive shaft lower end
It is fixedly connected with power transmission shaft, the planetary motion of rotor can be changed into the dead axle motion of power transmission shaft；
The driving-shaft assembly includes power transmission shaft, upper journal bearing and lower radial bearing, between the power transmission shaft and cylinder
There is gap, the upper journal bearing and lower radial bearing are arranged in gap, the upper journal bearing and lower radial bearing point
The upper and lower part of power transmission shaft is not arranged on, and the lower end of the power transmission shaft is connected with drill bit；
The upper end drive connection of the electric rotating machine and drilling rod, the lower end of the drilling rod are fixedly connected with cylinder upper end, institute
Stating cylinder and drilling rod bearing of trend has angle.
As a modification of the present invention, anti-lost section, institute are additionally provided between by-pass valve assembly and the fluid motor assembly
Stating anti-lost section includes anti-boom, anti-lost hole and anti-lost nut, and the anti-lost hole is arranged in cylinder, and the anti-boom is positioned at anti-lost
In hole, the anti-lost nut is fixedly mounted on the end of anti-boom, and the diameter of the anti-lost nut is more than the diameter in anti-lost hole, institute
It is coaxially connected with apex rotor to state anti-boom bottom.
As a modification of the present invention, the radial section of the rotor is petal.
As a modification of the present invention, the drill bit is tricone bit.
As a modification of the present invention, rubber washer is fixedly installed on the inwall of the stator spiral endoporus.
As a modification of the present invention, the angle of the cylinder and drilling rod bearing of trend is 3 ° ~ 5 °.
As a modification of the present invention, protective cover is fixedly installed on the outside of the electric rotating machine.
As a modification of the present invention, the protective cover is truncated cone-shaped, the upper surface of the truncated cone-shaped protective cover it is straight
Footpath is less than the diameter of drilling rod, and the diameter of the lower surface of the truncated cone-shaped protective cover is more than the diameter of drilling rod.
Beneficial effects of the present invention：
One kind of the present invention can steering screw drilling tool structure it is novel, electric rotating machine and drilling rod are connected, rotation
Motor can drive drilling rod to be rotated, and coordinate cylinder and drilling rod bearing of trend to have angle, can make helicoid hydraulic motor in the process of drilling
In turned to, break traditions helicoid hydraulic motor can only directional drilling this problem, meanwhile, drilling rod drives cylinder in boring procedure
Rotated, the cylinder for making helicoid hydraulic motor is in horn-like advance, increases the diameter of drilling, so as to play a part of reaming；
Anti-lost section is provided between by-pass valve assembly and fluid motor assembly, when helicoid hydraulic motor lower member is sunk, anti-lost nut
It can therewith sink, cause the pressure of runner significantly to rise, so as to which tip ground staff carries out maintenance down；Drill bit uses
Tricone bit is drilled, and drill bit can be made to have the function that impact, crushing and shearing-crushing formation rock when rotated, make rock
Stone is crushed comprehensively, and drilling is extended, make helicoid hydraulic motor be suitable for it is soft, in hard various stratum, practicality is stronger, use range
It is bigger；Rubber washer is fixedly installed on the inwall of stator spiral endoporus, rotor and stator can be reduced when fluid motor works
Between phase mutual friction, so as to extend the service life of stator；Protective cover is fixedly installed on the outside of electric rotating machine, can be effective
Electric rotating machine is protected on ground, prevent from drilling caused by husky bits of rubble etc. electric rotating machine is caused damage；Protective cover is arranged to round
Mesa-shaped, effectively the husky bits of rubble caused by drilling can be discharged backward.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of by-pass valve assembly.
Fig. 3 is the structural representation of anti-lost section.
Fig. 4 is the structural representation of driving-shaft assembly.
Fig. 5 is the structural representation of stator.
Reference numerals list：
1st, cylinder；2nd, by-pass valve assembly；3rd, fluid motor assembly；4th, universal axle assembly；5th, driving-shaft assembly；6th, electric rotating
Machine；201st, valve element；202nd, valve seat；203rd, spring；204th, by-pass prot；301st, stator；302nd, rotor；303rd, spiral endoporus；304、
Rubber washer；401st, universal drive shaft；501st, power transmission shaft；502nd, upper journal bearing；503rd, lower radial bearing；7th, drill bit；8th, anti-lost section；
801st, anti-boom；802nd, anti-lost hole；803rd, anti-lost nut；9th, protective cover.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only
For illustrating the present invention rather than limitation the scope of the present invention.
As illustrated, one kind of the present invention can steering screw drilling tool, including cylinder 1, by-pass valve assembly 2, fluid motor
Assembly 3, universal axle assembly 4, driving-shaft assembly 5, electric rotating machine 6 and drilling rod 10, the by-pass valve assembly 2, fluid motor assembly 3,
Universal axle assembly 4 and driving-shaft assembly 5 are arranged in cylinder 1, and the by-pass valve assembly 2, fluid motor assembly 3, universal drive shaft are total
It is sequentially connected from top to bottom into 4 and driving-shaft assembly 5,
The by-pass valve assembly 2 includes valve element 201, valve seat 202, spring 203 and by-pass prot 204, the valve element 201 and valve
Seat 202 is tubular, and the valve seat 202 is connected in cylinder 1, and the valve seat 202 is socketed on valve element 201, the valve element 201
It can be slided up and down in cylinder 1, the spring 203 is arranged between valve element 201 and valve seat 202, and the by-pass prot 204 is arranged on
In the side wall of cylinder 1；
The fluid motor assembly 3 includes stator 301 and rotor 302, and spiral endoporus 303, institute are provided with the stator 301
The outer wall for stating rotor 302 is provided with that the helical form being engaged with the spiral endoporus 303 of stator 301 is linear, and the rotor 302 is arranged on
In stator 301, the rotor 302 is intermeshed with stator 301, the gear ratio rotor 302 of the spiral endoporus 303 of stator 301
The number of teeth of outer wall is more one；
The universal axle assembly 4 includes universal drive shaft 401, and the upper end of universal drive shaft 401 is fixedly connected with rotor 302, described
The lower end of universal drive shaft 401 is fixedly connected with power transmission shaft 501, and the planetary motion of rotor 302 can be changed into the dead axle fortune of power transmission shaft 501
It is dynamic；
The driving-shaft assembly 5 includes power transmission shaft 501, upper journal bearing 502 and lower radial bearing 503, the power transmission shaft
There is gap between 501 and cylinder 1, the upper journal bearing 502 and lower radial bearing 503 are arranged in gap, the upper footpath
The upper and lower part of power transmission shaft 501 is separately positioned on to bearing 502 and lower radial bearing 503, the lower end of the power transmission shaft 501 passes
It is dynamic to be connected with drill bit 7；
The upper end of the electric rotating machine 6 and drilling rod 10 is connected, and the lower end of the drilling rod 10 is fixed with the upper end of cylinder 1 to be connected
Connect, the cylinder 1 has angle with the bearing of trend of drilling rod 10.
The operation principle of the present invention：The present invention drives drilling rod to rotate during drilling, by electric rotating machine 6, so as to
Cylinder 1 is driven to be rotated, meanwhile, the moment of torsion that tricone bit 7 is exported by fluid motor, which drives, carries out rotation progress broken rock, is boring
During hole, the cylinder 1 of helicoid hydraulic motor is in horn-like advance, can play a part of reaming, when needing to turn to, is first determined
To that is, when cylinder 1 rotates to suitable position, pause electric rotating machine 6, the moment of torsion for only passing through fluid motor output drives three gear wheels
Drill bit 7 is drilled, and when directional angle reaches predetermined design angle, is again started up electric rotating machine 6, drive drilling rod 10 so as to
Drive cylinder 1 to be rotated, can be achieved to turn to drilling.
Anti-lost section 8, the anti-lost bag of section 8 are additionally provided between by-pass valve assembly 2 and fluid motor assembly 3 of the present invention
Anti-boom 801, anti-lost hole 802 and anti-lost nut 803 are included, the anti-lost hole 802 is arranged in cylinder 1, the anti-boom 801
In in anti-lost hole 802, the anti-lost nut 803 is fixedly mounted on the end of anti-boom 801, the diameter of the anti-lost nut 803
More than the diameter in anti-lost hole 802, the bottom of anti-boom 801 and the top of rotor 302 are coaxially connected, when helicoid hydraulic motor lower member
When sinking, anti-lost nut 803 can sink therewith, cause the pressure of runner significantly to rise, so as to tip ground work people
Member carries out maintenance down.
The radial section of rotor 302 of the present invention is petal.
Drill bit 7 of the present invention is tricone bit 7, and drill bit 7 can be made to have impact, crushing and shearing broken when rotated
The effect of broken formation rock, makes rock crush comprehensively, and drilling is extended, make helicoid hydraulic motor be suitable for it is soft, in it is hard variously
Layer, practicality is stronger, and use range is bigger.
Rubber washer 304 is fixedly installed on the inwall of the spiral endoporus 303 of stator 301 of the present invention, can be in liquid horse
Up to the phase mutual friction reduced during work between rotor 302 and stator 301, so as to extend the service life of stator 301.
The angle of cylinder 1 of the present invention and the bearing of trend of drilling rod 10 is 3 ° ~ 5 °.
The outside of electric rotating machine 6 of the present invention is fixedly installed protective cover 9, can effectively protect electric rotating machine 6, prevent
Only the electric rotating machine 6 such as husky bits of rubble caused by drilling causes damage.
Protective cover 9 of the present invention is truncated cone-shaped, and the diameter of the upper surface of the truncated cone-shaped protective cover 9 is less than drilling rod 10
Diameter, the diameter of the lower surface of the truncated cone-shaped protective cover 9 is more than the diameter of drilling rod 10, will effectively can be produced during drilling
The husky bits of rubble discharge backward.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Formed technical scheme is combined by above technical characteristic.
Claims (8)
1. one kind can steering screw drilling tool, it is characterised in that：Including cylinder (1), by-pass valve assembly (2), fluid motor assembly (3),
Universal axle assembly (4), driving-shaft assembly (5), electric rotating machine (6) and drilling rod (10), the by-pass valve assembly (2), fluid motor are total
It is arranged at into (3), universal axle assembly (4) and driving-shaft assembly (5) in cylinder (1), the by-pass valve assembly (2), fluid motor
Assembly (3), universal axle assembly (4) and driving-shaft assembly (5) are sequentially connected from top to bottom,
The by-pass valve assembly (2) includes valve element (201), valve seat (202), spring (203) and by-pass prot (204), the valve element
(201) and valve seat (202) is tubular, and the valve seat (202) is connected in cylinder (1), and the valve seat (202) is socketed in valve element
(201) on, the valve element (201) can slide up and down in cylinder (1), and the spring (203) is arranged on valve element (201) and valve seat
(202) between, the by-pass prot (204) is arranged in the side wall of cylinder (1)；
The fluid motor assembly (3) includes stator (301) and rotor (302), and spiral endoporus is provided with the stator (301)
(303), the outer wall of the rotor (302) linear, the institute that is provided with the helical form being engaged with stator (301) spiral endoporus (303)
State rotor (302) to be arranged in stator (301), the rotor (302) is intermeshed with stator (301), stator (301) spiral shell
The number of teeth of gear ratio rotor (302) outer wall in medial rotation hole (303) is more one；
The universal axle assembly (4) includes universal drive shaft (401), and universal drive shaft (401) upper end is fixedly connected with rotor (302),
Universal drive shaft (401) lower end is fixedly connected with power transmission shaft (501), the planetary motion of rotor (302) can be changed into power transmission shaft
(501) dead axle motion；
The driving-shaft assembly (5) includes power transmission shaft (501), upper journal bearing (502) and lower radial bearing (503), the biography
There is gap between moving axis (501) and cylinder (1), the upper journal bearing (502) and lower radial bearing (503) are arranged at gap
Interior, the upper journal bearing (502) and lower radial bearing (503) are separately positioned on the upper and lower part of power transmission shaft (501), described
The lower end of power transmission shaft (501) is connected with drill bit (7)；
The electric rotating machine (6) and the upper end of drilling rod (10) are connected, and the lower end and cylinder (1) upper end of the drilling rod (10) are solid
Fixed connection, the cylinder (1) have angle with drilling rod (10) bearing of trend.
2. one kind according to claim 1 can steering screw drilling tool, it is characterised in that：The by-pass valve assembly (2) and liquid
Anti-lost section (8) is additionally provided between motor assembly (3), the anti-lost section (8) includes anti-boom (801), anti-lost hole (802) and prevented
Fall nut (803), the anti-lost hole (802) is arranged in cylinder (1), and the anti-boom (801) is located in anti-lost hole (802),
The anti-lost nut (803) is fixedly mounted on the end of anti-boom (801), and the diameter of the anti-lost nut (803) is more than anti-lost
The diameter in hole (802), anti-boom (801) bottom and rotor (302) top are coaxially connected.
3. one kind according to claim 1 can steering screw drilling tool, it is characterised in that：The radial direction of the rotor (302) is cut
Face is petal.
4. one kind according to claim 1 can steering screw drilling tool, it is characterised in that：The drill bit (7) is three rotary drills
Head (7).
5. one kind according to claim 1 can steering screw drilling tool, it is characterised in that：Stator (301) the spiral endoporus
(303) rubber washer (304) is fixedly installed on inwall.
6. one kind according to claim 1 can steering screw drilling tool, it is characterised in that：The cylinder (1) and drilling rod (10)
The angle of bearing of trend is 3 ° ~ 5 °.
7. one kind according to claim 1 can steering screw drilling tool, it is characterised in that：It is solid on the outside of the electric rotating machine (6)
Surely it is provided with protective cover (9).
8. one kind according to claim 7 can steering screw drilling tool, it is characterised in that：The protective cover (9) is truncated cone-shaped,
The diameter of the upper surface of the truncated cone-shaped protective cover (9) is less than the diameter of drilling rod (10), the lower end of the truncated cone-shaped protective cover (9)
The diameter in face is more than the diameter of drilling rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766393.6U CN206888918U (en) | 2017-06-28 | 2017-06-28 | One kind can steering screw drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766393.6U CN206888918U (en) | 2017-06-28 | 2017-06-28 | One kind can steering screw drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206888918U true CN206888918U (en) | 2018-01-16 |
Family
ID=61298612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720766393.6U Active CN206888918U (en) | 2017-06-28 | 2017-06-28 | One kind can steering screw drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206888918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529037A (en) * | 2019-10-20 | 2019-12-03 | 达坦能源科技（上海）有限公司 | A kind of drilling well assembled screw rod drilling tool |
| CN111706256A (en) * | 2020-07-21 | 2020-09-25 | 中国石油大学(华东) | Electric drilling tool suitable for ocean underwater drilling machine |
| CN115478785A (en) * | 2022-09-09 | 2022-12-16 | 乐山师范学院 | Drilling device with automatic adjusting function and drilling method |
-
2017
- 2017-06-28 CN CN201720766393.6U patent/CN206888918U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529037A (en) * | 2019-10-20 | 2019-12-03 | 达坦能源科技（上海）有限公司 | A kind of drilling well assembled screw rod drilling tool |
| CN111706256A (en) * | 2020-07-21 | 2020-09-25 | 中国石油大学(华东) | Electric drilling tool suitable for ocean underwater drilling machine |
| CN111706256B (en) * | 2020-07-21 | 2022-02-18 | 中国石油大学(华东) | Electric drilling tool suitable for ocean underwater drilling machine |
| CN115478785A (en) * | 2022-09-09 | 2022-12-16 | 乐山师范学院 | Drilling device with automatic adjusting function and drilling method |
| CN115478785B (en) * | 2022-09-09 | 2023-04-11 | 乐山师范学院 | Drilling device with automatic adjusting function and drilling method |
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