CN112324336A - Rope coring screw drill for geological exploration of horizontal directional drilling engineering - Google Patents
Rope coring screw drill for geological exploration of horizontal directional drilling engineering Download PDFInfo
- Publication number
- CN112324336A CN112324336A CN202011194690.0A CN202011194690A CN112324336A CN 112324336 A CN112324336 A CN 112324336A CN 202011194690 A CN202011194690 A CN 202011194690A CN 112324336 A CN112324336 A CN 112324336A
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- CN
- China
- Prior art keywords
- drill
- assembly
- rope core
- rotor
- rod
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
- E21B25/10—Formed core retaining or severing means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
- E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors for obtaining oriented cores
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Abstract
A rope core-taking screw drill tool for geological exploration of horizontal directional drilling engineering is characterized in that a bypass valve of the drill tool provides mud flow to enter a motor assembly, a certain pressure difference is formed between an inlet and an outlet of the motor assembly, a rotor in the motor assembly is pushed to deflect a certain angle around the axis of a stator to rotate, and therefore the rotating speed and the torque are transmitted to a drill bit through a universal shaft and a transmission shaft, deviation rectification and direction control work on the drill tool caused by the fact that the drill bit provides required drilling pressure and torque through a drill rod of the existing drill tool is avoided, and exploration efficiency is greatly improved; meanwhile, the rotor is hollow, and can be matched with a rope core drill to realize the function integration of horizontal directional screw drilling and rope core drilling; the internal diameter of the rotor is spaced from the external diameter of the rope core drill tool assembly, and the rope core drill tool assembly cannot generate rotary displacement around the stator, so that the phenomena of falling, breaking, impacting and the like of internal parts of the rope core drill tool are avoided, and the service life of the rope core drill tool is prolonged.
Description
Technical Field
The invention relates to a rope coring screw drill for horizontal directional drilling engineering geological exploration, belonging to the field of engineering geological exploration instruments.
Background
The wire-line core drill is a drill without lifting the core, that is, in the drilling process, when the core tube is full or the core is blocked, the whole drill rod in the hole is not required to be lifted to the ground surface, but the inner core tube is fished from the drill rod by a wire rope by means of a special fishing tool, and only when the drill bit is worn and needs to be checked or replaced, the whole drill rod is lifted.
The rope core drill tool in the existing vertical drilling and coring technology comprises a drill rod, a rope core drill tool assembly and a drill bit, wherein the rope core drill tool assembly is arranged inside the drill rod, the drill bit is arranged at the end part of the drill rod, and the drilling coring, guiding and direction controlling separation mode of 'lower coring-trajectory measurement-direction control and deviation correction-lower coring' is adopted. Meanwhile, the rope core drill bit of the drill bit can rotate along with the drill rod, so that the phenomena of falling, breaking, impacting and the like of internal parts of the rope core drill bit are generated, and the service life of the rope core drill bit is influenced.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a rope core-taking screw drill tool for geological exploration of horizontal directional drilling engineering, wherein a screw drill tool assembly is added into a drill rod and the rope core-taking drill tool assembly, and the drill rod is driven to rotate by the screw drill tool assembly, so that the deviation correction and direction control work of the drill tool is not required, and the exploration efficiency is improved; meanwhile, the rope core drill cannot rotate along with the drill rod, so that the service life of the rope core drill is prolonged.
The technical scheme for realizing the aim of the invention is that the rope core-taking screw drill tool for geological exploration of the horizontal directional drilling engineering at least comprises a drill rod, a rope core-taking drill tool assembly and a drill bit, wherein the rope core-taking drill tool assembly is arranged inside the drill rod, the drill bit is arranged at the end part of the drill rod, the screw drill tool assembly is arranged between the drill rod and the rope core-taking drill tool assembly, the screw drill tool assembly comprises a bypass valve component, an anti-dropping component, a motor component, a universal coupling component, a transmission shaft component, a driving joint and the drill bit which are sequentially connected, the motor component comprises a stator and a rotor, the stator is fixed on the inner wall of the drill rod and is hollow inside the stator, and the inner diameter of the stator is milled with a tooth socket, the rotor external diameter mills has the teeth of a cogwheel with tooth's socket complex, and the rotor can produce the rotary displacement around the stator, and the rotor is inside hollow and rotor internal diameter and the external diameter interval of rope core drill assembly, and the rope core drill assembly can not produce the rotary displacement around the stator.
The technical scheme is further improved as follows: the hollow part in the rotor is a hollow circle which is coaxial with the rotor.
And the bypass valve assembly comprises a valve core and a spring, and the valve core and the spring are attached to the inner wall of the drill rod.
And a water gap is arranged on the inner wall of the drill rod and is positioned between the bypass valve assembly and the anti-falling assembly.
And the anti-falling assembly comprises an anti-falling nut, an anti-falling connecting rod and an anti-falling retaining head, one surface of the anti-falling nut is attached to the rope core drill assembly, the other surface of the anti-falling nut is connected with the motor assembly through the anti-falling connecting rod, one surface of the anti-falling retaining head is attached to the drill rod, and the other surface of the anti-falling retaining head is attached to the motor assembly.
And the inner wall of the drill rod is provided with a bullet blocking head which is positioned at the end far away from the drill bit and is spaced from the screw drill assembly.
According to the technical scheme, the rope core-taking screw drill tool for geological exploration of the horizontal directional drilling engineering comprises a drill rod, a rope core-taking drill tool assembly, a screw drill tool assembly and a drill bit, wherein the screw drill tool assembly comprises a bypass valve assembly, an anti-drop assembly, a motor assembly, a universal coupling assembly, a transmission shaft assembly and a driving joint, the bypass valve provides slurry flow to enter the motor assembly, a certain pressure difference is formed at an inlet and an outlet of the motor assembly, a rotor in the motor assembly is pushed to deflect for a certain angle around an axis of a stator to rotate, so that the drill rod can not rotate but only provides drilling pressure, the screw motor transmits the rotating speed and torque to the drill bit through a universal shaft and a transmission shaft to perform full-section crushing directional control drilling on a hole bottom drill bit, and therefore deviation rectification directional control work on the drill tool caused by the drill bit and the drill bit required by the drill rod of the, thereby greatly increasing the investigation efficiency; meanwhile, the inner part of the rotor is hollow, the inner diameter of the rotor is spaced from the outer diameter of the rope core drill tool assembly, and the rope core drill tool assembly cannot generate rotary displacement around the stator, so that the phenomena of falling, breakage, impact and the like of internal parts of the rope core drill tool are avoided, and the service life of the rope core drill tool is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a rope core screw drill for geological exploration of horizontal directional drilling engineering provided by the invention.
Fig. 2 is a schematic view of the structure of the stator and rotor in the present invention.
In the figure: 1. a drill stem; 2. a wire line core drill assembly; 3. a bullet card stop head; 4. a valve core; 5. a spring; 6. a water gap; 7. the anti-drop nut; 8. the anti-drop connecting rod; 9. the stop head is prevented from falling; 10. a motor assembly; 101. a stator; 102. a rotor; 11. a universal coupling assembly; 12. a driveshaft assembly; 13. a drive joint; 14. a drill bit.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1 and fig. 2, a rope core-drilling screw drill for geological exploration of horizontal directional drilling engineering comprises a drill rod 1, a rope core-drilling assembly 2 and a drill bit 14, wherein the rope core-drilling assembly 2 is installed inside the drill rod 1, the drill bit 14 is installed at the end part of the drill rod 1, a screw drill assembly is arranged between the drill rod 1 and the rope core-drilling assembly 2, the screw drill assembly comprises a bypass valve assembly, a drop-proof assembly, a motor assembly 10, a universal coupling assembly 11, a transmission shaft assembly 12 and a driving joint 13, the bypass valve assembly is connected with the drill rod 1, the drop-proof assembly is respectively connected with the drill rod 1, the rope core-drilling assembly 2 and the motor assembly 10, the universal coupling assembly 11, the transmission shaft assembly 12, the driving joint 13 and the drill bit 14 are sequentially connected, wherein the motor assembly 10 comprises a stator 101 and a rotor 102, the stator 101 is fixed on the, the inner diameter of the stator 101 is milled with a tooth slot, the outer diameter of the rotor 102 is milled with gear teeth matched with the tooth slot, the rotor 102 can generate rotary displacement around the stator 101, the rotor 102 is hollow inside, the inner diameter of the rotor 102 is spaced from the outer diameter of the rope core drill assembly 2, and the rope core drill assembly 2 cannot generate rotary displacement around the stator 101.
The hollow inside of the rotor 102 is a hollow circle and the hollow circle is coaxial with the rotor 102, and since the casing of the rope core drill assembly 2 is cylindrical, the average distance between the rope core drill assembly 2 and the rotor 102 is maximized.
And the bypass valve assembly comprises a valve core 4 and a spring 5, the valve core 4 and the spring 5 are attached to the inner wall of the drill rod 1, and the bypass valve assembly is used for inputting slurry to the motor assembly.
A water gap 6 is arranged on the inner wall of the drill rod 1, the water gap 6 is positioned between the bypass valve assembly and the anti-dropping assembly, when the flow rate and the pressure of the slurry reach standard set values, the valve core 4 moves downwards to block the water gap 6, and the slurry flows through the motor assembly 10 to normally work; when the mud flow value is too small or the pump is stopped, and the generated pressure is not enough to overcome the spring force and the static friction force, the valve core 4 is jacked up by the spring 5, the water gap 6 is opened, and the mud does not pass through the motor component 10, so that the mud is prevented from returning out of a wellhead.
And the anti-falling assembly comprises an anti-falling nut 7, an anti-falling connecting rod 8 and an anti-falling stopper 9, one side of the anti-falling nut 7 is attached to the rope core drill assembly 2, the other side of the anti-falling nut 7 is connected with the motor assembly through the anti-falling connecting rod 8, one side of the anti-falling stopper 9 is attached to the drill rod 1, the other side of the anti-falling stopper 9 is attached to the motor assembly, the anti-falling assembly is used for fixing the rope core drill assembly 2, and the phenomenon that the fixed rope core drill assembly 2 falls off is avoided.
And the inner wall of the drill rod 1 is provided with a spring clip stop 3, the spring clip stop 3 is positioned at one end far away from the drill bit 14, and the spring clip stop 3 is spaced from the screw drill assembly.
The working principle of the equipment is as follows: the bypass valve provides mud flow to enter the motor assembly, a certain pressure difference is formed between an inlet and an outlet of the motor assembly, tooth grooves are milled in the inner diameter of the stator 101, gear teeth matched with the tooth grooves are milled in the outer diameter of the rotor 102, so that the rotor 102 deflects by a certain angle around the axis of the stator 101 to rotate, the pressure energy of the mud is converted into the mechanical energy of the rotor 102, the universal coupling assembly 11, the transmission shaft assembly 12, the driving joint 13 and the drill bit 14 are sequentially connected, the mechanical energy is transmitted to the drill bit 14 through the universal coupling assembly 11, the transmission shaft assembly 12 and the driving joint 13 by the rotor 102 in sequence, and then the full-section crushing and steering drilling of the hole bottom drill bit 14 is carried out, so that the problem that the existing drilling tool carries out steering control and correction work on the drilling tool due to the fact that the drilling pressure and torque required by the drill bit; meanwhile, the rope core drill assembly 2 does not rotate with the stator 101, so that the phenomena of falling, breakage, impact and the like of internal parts of the rope core drill are avoided, and the service life of the rope core drill is prolonged.
Claims (6)
1. The utility model provides a horizontal directional drilling engineering geology reconnaissance rope core screw rod drilling tool, includes drilling rod, rope core drilling tool assembly and drill bit at least, and rope core drilling tool assembly installs inside the drilling rod, and the tip at the drilling rod is installed to the drill bit, its characterized in that: a screw drill assembly is arranged between the drill rod and the rope core drill assembly, the screw drill assembly comprises a bypass valve assembly, an anti-dropping assembly, a motor assembly, a universal coupling assembly, a transmission shaft assembly and a driving joint, the bypass valve assembly is connected with the drill rod, the anti-dropping assembly is respectively connected with the drill rod, the rope core drill assembly and the motor assembly, the universal coupling assembly, the transmission shaft assembly, the driving joint and the drill bit are sequentially connected, wherein motor element includes stator and rotor, and the stator is fixed on the drilling rod inner wall and the inside cavity of stator, and the stator internal diameter mills has the tooth's socket, and the rotor external diameter mills have with tooth's socket complex teeth of a cogwheel, the rotor can produce the rotary displacement around the stator, inside cavity of rotor and rotor internal diameter with the external diameter interval of rope core drill assembly, rope core drill assembly can not produce the rotary displacement around the stator.
2. The rope core screw drill for geological exploration of horizontal directional drilling engineering as recited in claim 1, wherein: the hollow part in the rotor is a hollow circle which is coaxial with the rotor.
3. The rope core screw drill for geological exploration of horizontal directional drilling engineering as recited in claim 1, wherein: the bypass valve assembly comprises a valve core and a spring, and the valve core and the spring are attached to the inner wall of the drill rod.
4. The rope core screw drill for geological exploration of horizontal directional drilling engineering as recited in claim 1, wherein: and a water gap is arranged on the inner wall of the drill rod and is positioned between the bypass valve assembly and the anti-falling assembly.
5. The rope core screw drill for geological exploration of horizontal directional drilling engineering as recited in claim 1, wherein: the anti-falling assembly comprises an anti-falling nut, an anti-falling connecting rod and an anti-falling retaining head, wherein the anti-falling nut is arranged on one side of the rope core drill assembly, the anti-falling nut is connected with the motor assembly through the anti-falling connecting rod, the anti-falling retaining head is arranged on one side of the drill rod, and the anti-falling retaining head is arranged on the other side of the drill rod.
6. The rope core screw drill for geological exploration of horizontal directional drilling engineering as recited in claim 1, wherein: and the inner wall of the drill rod is provided with a bullet blocking head, the bullet blocking head is positioned at one end far away from the drill bit, and the bullet blocking head is spaced from the screw drilling assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194690.0A CN112324336B (en) | 2020-10-30 | 2020-10-30 | Rope coring screw drill for geological exploration of horizontal directional drilling engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194690.0A CN112324336B (en) | 2020-10-30 | 2020-10-30 | Rope coring screw drill for geological exploration of horizontal directional drilling engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112324336A true CN112324336A (en) | 2021-02-05 |
| CN112324336B CN112324336B (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011194690.0A Active CN112324336B (en) | 2020-10-30 | 2020-10-30 | Rope coring screw drill for geological exploration of horizontal directional drilling engineering |
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| Country | Link |
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| CN (1) | CN112324336B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374414A (en) * | 2021-07-13 | 2021-09-10 | 湖北中广公路勘察设计有限公司 | Spline type horizontal directional drilling engineering geological exploration steering control device |
| CN114673466A (en) * | 2022-05-30 | 2022-06-28 | 徐州徐工基础工程机械有限公司 | Horizontal geological exploration equipment adopting coiled tubing and coring method |
| CN114837592A (en) * | 2022-05-24 | 2022-08-02 | 中煤科工集团重庆研究院有限公司 | Coal mine underground core tube protecting straight drilling equipment and drilling method |
| CN115341844A (en) * | 2022-10-14 | 2022-11-15 | 沧州格锐特钻头有限公司 | Short-bending impact-resistant large-torque screw drill |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374414A (en) * | 2021-07-13 | 2021-09-10 | 湖北中广公路勘察设计有限公司 | Spline type horizontal directional drilling engineering geological exploration steering control device |
| CN114837592A (en) * | 2022-05-24 | 2022-08-02 | 中煤科工集团重庆研究院有限公司 | Coal mine underground core tube protecting straight drilling equipment and drilling method |
| CN114837592B (en) * | 2022-05-24 | 2024-01-26 | 中煤科工集团重庆研究院有限公司 | Coal mine underground rock core pipe straight drilling equipment and drilling method |
| CN114673466A (en) * | 2022-05-30 | 2022-06-28 | 徐州徐工基础工程机械有限公司 | Horizontal geological exploration equipment adopting coiled tubing and coring method |
| CN115341844A (en) * | 2022-10-14 | 2022-11-15 | 沧州格锐特钻头有限公司 | Short-bending impact-resistant large-torque screw drill |
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| CN112324336B (en) | 2021-09-07 |
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Effective date of registration: 20230419 Address after: 430056 No. 18 Pioneering Road, Wuhan Economic and Technological Development Zone, Hubei Province Patentee after: CCCC SECOND HIGHWAY CONSULTANTS Co.,Ltd. Address before: 430074 No. 388 Lu Lu, Hongshan District, Hubei, Wuhan Patentee before: CHINA University OF GEOSCIENCES (WUHAN CITY) Patentee before: Henan Research Institute of Sun Yat sen University Patentee before: CCCC SECOND HIGHWAY CONSULTANTS Co.,Ltd. |