CN114458202A - Core cabin clamp for deep in-situ fidelity core taking calibration platform - Google Patents
Core cabin clamp for deep in-situ fidelity core taking calibration platform Download PDFInfo
- Publication number
- CN114458202A CN114458202A CN202210091781.4A CN202210091781A CN114458202A CN 114458202 A CN114458202 A CN 114458202A CN 202210091781 A CN202210091781 A CN 202210091781A CN 114458202 A CN114458202 A CN 114458202A
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- CN
- China
- Prior art keywords
- clamp
- core
- core cabin
- cabin
- deep
- 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.)
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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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
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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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a core cabin clamp for a deep in-situ fidelity core coring rate determination platform, which comprises two clamps arranged at two sides of a core cabin, wherein the two clamps are semi-circular blocks, the two clamps are clasped on the outer wall of the core cabin, and the inner surface of the clamps is provided with clamping grooves which are attached to the outline of the outer wall of the core cabin; the back of clamp is provided with arched connecting block, is provided with the actuating mechanism that the drive clamp carried out the cohesion and removes on the connecting block, and actuating mechanism installs on the mounting panel, and the mounting panel passes through the installing support to be installed on the support frame of core cabin both sides, connects through removing stabilizing mean between two clamps. The drill rod centering device is used for centering and fixing the core cabin, when the deep in-situ coring simulation process is carried out, the upper end of the core cabin and the connecting cabin body of the core cabin are supported, connected and fixed by the two hoops, the stability of the part where the drill rod enters is ensured, in the process of assembling the drill rod and the core cabin, the drill rod can be accurately centered, the rigidity of the core cabin is improved, and the safety and stability of the assembly of the core cabin are ensured.
Description
Technical Field
The invention relates to the technical field of energy drilling, in particular to a core cabin hoop for a deep in-situ fidelity coring calibration platform.
Background
Different from the common burial depth of resources in Europe and America which is less than 2000m, more than 70% of resources in China are buried deeper than 2000m and shallow resources are exhausted, and the resources extend to the deep part at the speed of more than 10m per year. The exploitation depth of oil and gas resources reaches 8418m, the external dependence of petroleum in China reaches up to 67 percent, and the oil and gas resources far exceed the internationally recognized energy safety warning line. Therefore, exploring energy resources to the deep part is the most urgent practical problem in China at present, is also a major strategic and scientific problem in China, and is a major energy safety problem in China.
In marching to the deep part of the earth, research (deep drilling, deep engineering scientific rules and deep resource development and utilization) needs to be developed step by step from 3 levels, wherein the most important is the research on the deep engineering scientific rules. And deep in-situ environments are very complex. Before the whole deep in-situ coring system is applied to field scientific drilling, experimental simulation needs to be carried out indoors in advance to effectively verify the feasibility of equipment and carry out calibration of relevant parameters, and a complete experimental simulation platform needs to be built. When the sample simulation platform is built, the underground environment needs to be simulated through the core cabin, and the drill rod enters from the core cabin to simulate the underground in-situ drilling process. However, the strength and the assembly precision of the core module and the connected module body are powerful guarantee of the test result in the test process, and a special fixing mechanism needs to be arranged for the core module.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the core cabin hoop with high strength for the deep in-situ fidelity coring calibration platform.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the core cabin hoop for the deep in-situ fidelity coring calibration platform comprises two hoops arranged on two sides of a core cabin, wherein the two hoops are semicircular blocks and are encircled on the outer wall of the core cabin, and a clamping groove which is attached to the outline of the outer wall of the core cabin is arranged on the inner surface of each hoop; the back of clamp is provided with arched connecting block, is provided with the actuating mechanism that the drive clamp carried out the cohesion and removes on the connecting block, and actuating mechanism installs on the mounting panel, and the mounting panel passes through the installing support to be installed on the support frame of core cabin both sides, connects through removing stabilizing mean between two clamps.
Furthermore, the driving mechanism comprises a screw rod perpendicular to the hoop, and one end of the screw rod is connected with the connecting block through a bearing; the screw rod penetrates through the mounting plate, and a nut in threaded connection with the screw rod is arranged on the mounting plate; the other end of the screw rod is in transmission connection with a rotating shaft of a stepping motor, and the stepping motor is installed on a motor installation plate.
Furthermore, a plurality of anti-rotation rods are arranged between the connecting plate and the motor mounting plate, the anti-rotation rods are evenly distributed around the screw rod and parallel to the screw rod, the anti-rotation rods penetrate through the mounting plate, a first graphite copper sleeve is arranged on the mounting plate, and the anti-rotation rods are arranged in the first graphite copper sleeve in a sliding mode.
Furthermore, one side of the clamp is provided with a movable guide rod, one end of the movable guide rod is fixedly connected with the clamp, the other end of the movable guide rod penetrates through a second graphite copper sleeve arranged on the mounting plate, and the movable guide rod is connected with the second graphite copper sleeve in a sliding mode.
Furthermore, the moving and stabilizing mechanism comprises a static guide rod, two ends of the static guide rod are fixed on the mounting plates at two sides of the rock core cabin, the two hoops are movably arranged on the static guide rod, two corners at one side of the hoops are provided with guide sleeves, and the guide sleeves are connected with the static guide rod in a sliding mode.
Furthermore, the mounting plate and the mounting support are movably arranged, vertical strip-shaped holes are formed in the mounting plate, a pressing pin is arranged in each strip-shaped hole and fixed on the mounting support, a movable lug is arranged on the mounting plate, a movable supporting block is arranged on the mounting support, a stud is vertical to the upper end of the movable supporting block and penetrates through a through hole formed in the movable lug, adjusting nuts are arranged at the upper end and the lower end of the stud, a spring is arranged between each adjusting nut and each movable lug, and the spring is sleeved on the stud.
The invention has the beneficial effects that: the drill rod centering device is used for centering and fixing the core cabin, when the deep in-situ coring simulation process is carried out, the upper end of the core cabin and the connecting cabin body of the core cabin are supported, connected and fixed by the two hoops, the stability of the part where the drill rod enters is ensured, the drill rod can be accurately centered in the process of assembling the drill rod and the core cabin, the rigidity of the core cabin is improved, and the safety and stability of the assembly of the core cabin are ensured. The lead screw is driven to rotate through the servo motor, so that the two hoops are driven to move in opposite directions, the core cabin is fixed, stability and strength of the hoops during movement are guaranteed through the static guide rod and the dynamic guide rod, and accuracy of transverse displacement and longitudinal displacement is guaranteed.
Drawings
FIG. 1 is a view of the installation of a core barrel clamp for a deep in situ fidelity coring calibration platform.
Fig. 2 is a view showing the structure of the back of the clip.
Fig. 3 is a front view of the clip.
The device comprises a support frame 1, a support frame 2, a servo motor 3, a movable guide rod 4, a hoop 5, an anti-rotation rod 6, a screw rod 7, a connecting plate 8, a static guide rod 9, a mounting bracket 10, a movable supporting block 11, a spring 12, a mounting plate 13, a strip-shaped hole 14, a movable lug 15 and a stud.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 to 3, the core cabin clamp for the deep in-situ fidelity coring calibration platform comprises two clamps 4 arranged at two sides of the core cabin, wherein the two clamps 4 are both semicircular blocks, the two clamps 4 are clasped on the outer wall of the core cabin, and the inner surface of each clamp 4 is provided with a clamping groove which is attached to the outline of the outer wall of the core cabin; the back of clamp 4 is provided with arched connecting block, is provided with the actuating mechanism that drives clamp 4 and carry out the cohesion removal on the connecting block, avoids actuating mechanism direct and clamp 4 contact, makes its deformation. The driving mechanism is installed on the installation plate 12, the installation plate 12 is installed on the support frames 1 on the two sides of the core cabin through the installation support 9, and the two hoops 4 are connected through the moving stabilizing mechanism.
The drill rod centering device is used for centering and fixing the core cabin, when the deep in-situ coring simulation process is carried out, the two hoops 4 support, connect and fix the upper end of the core cabin and the connecting cabin body thereof, so that the stability of the part where the drill rod enters is ensured, the drill rod can be accurately centered in the process of assembling the drill rod and the core cabin, the rigidity of the core cabin is improved, and the safety and stability of the assembly of the core cabin are ensured. The lead screw 6 is driven to rotate through the servo motor 2, the two hoops 4 are driven to move oppositely, the core cabin is fixed, the static guide rod 8 and the movable guide rod 3 ensure the stability and the strength of the hoops 4 during moving, and the accuracy of transverse displacement and longitudinal displacement is ensured.
The driving mechanism comprises a screw rod 6 vertical to the hoop 4, and one end of the screw rod 6 is connected with a connecting block through a bearing; the screw rod 6 penetrates through the mounting plate 12, and a nut in threaded connection with the screw rod 6 is arranged on the mounting plate 12; the other end of the screw rod 6 is connected with a rotating shaft of a stepping motor in a transmission way, and the stepping motor is arranged on a motor mounting plate 12. The nut is fixed, and through servo motor 2's rotation, and then drive lead screw 6 removes along the nut for clamp 4 carries out the cohesion action, and it is stable to remove, and can ensure sufficient cohesion intensity.
Be provided with a plurality of bull sticks 5 of preventing between the connecting plate 7 of this scheme and motor mounting panel 12, this embodiment adopts three, and three bull sticks 5 evenly distributed prevent around lead screw 6, and prevent that bull stick 5 is parallel with lead screw 6, prevent that bull stick 5 runs through mounting panel 12, and be provided with first graphite copper sheathing on mounting panel 12, prevent that bull stick 5 slides and set up in first graphite copper sheathing. In the process that the screw rod 6 moves, the anti-rotation rod 5 further ensures the stability of the movement of the servo motor 2, and the sliding effect is good.
One side of clamp 4 is provided with and moves guide bar 3, moves the one end and the clamp 4 fixed connection of guide bar 3, moves the second graphite copper sheathing that the other end of guide bar 3 passed setting on mounting panel 12, and moves guide bar 3 and second graphite copper sheathing sliding connection. In the moving process of the clamp 4, the movable guide rod 3 also moves along, so that the moving stability of the clamp 4 is ensured.
The movable stabilizing mechanism comprises a static guide rod 8, two ends of the static guide rod 8 are fixed on mounting plates 12 on two sides of the rock core cabin, the two hoops 4 are movably arranged on the static guide rod 8, two corners on one side of each hoop 4 are provided with guide sleeves, and the guide sleeves are connected with the static guide rod 8 in a sliding mode. When two clamps 4 remove, lead through same quiet guide bar 8 of root, remove along the quiet guide bar 8 of same root, ensure the synchronism of two clamps 4, reduce the error.
Claims (6)
1. A core cabin clamp for a deep in-situ fidelity coring calibration platform is characterized by comprising two clamps arranged on two sides of a core cabin, wherein the two clamps are semicircular blocks and are clasped on the outer wall of the core cabin, and a clamping groove which is in contour fit with the outer wall of the core cabin is arranged on the inner surface of each clamp; the back of clamp is provided with arched connecting block, be provided with the actuating mechanism that the drive clamp carried out the cohesion and removed on the connecting block, actuating mechanism installs on the mounting panel, the mounting panel passes through the installing support to be installed on the support frame of core cabin both sides, two connect through removing stabilizing mean between the clamp.
2. The core bin clamp for a deep in-situ fidelity coring calibration platform of claim 1, wherein the driving mechanism comprises a lead screw perpendicular to the clamp, one end of the lead screw being connected to a connection block through a bearing; the screw rod penetrates through the mounting plate, and a nut in threaded connection with the screw rod is arranged on the mounting plate; the other end of the screw rod is in transmission connection with a rotating shaft of a stepping motor, and the stepping motor is installed on a motor installation plate.
3. The core cabin clamp for the deep in-situ fidelity coring calibration platform according to claim 2, wherein a plurality of anti-rotation rods are arranged between the connecting plate and the motor mounting plate, the anti-rotation rods are uniformly distributed around the screw rod and are parallel to the screw rod, the anti-rotation rods penetrate through the mounting plate, a first graphite copper sleeve is arranged on the mounting plate, and the anti-rotation rods are slidably arranged in the first graphite copper sleeve.
4. The core compartment clamp for a deep in-situ fidelity coring calibration platform of claim 3, wherein a movable guide rod is arranged on one side of the clamp, one end of the movable guide rod is fixedly connected with the clamp, the other end of the movable guide rod passes through a second graphite copper sleeve arranged on the mounting plate, and the movable guide rod is slidably connected with the second graphite copper sleeve.
5. The core cabin clamp for the deep in-situ fidelity coring calibration platform according to claim 1, wherein the moving stabilizing mechanism comprises a static guide rod, two ends of the static guide rod are fixed on the mounting plates at two sides of the core cabin, the two clamps are movably arranged on the static guide rod, two corners at one side of the clamps are provided with guide sleeves, and the guide sleeves are connected with the static guide rod in a sliding manner.
6. The core cabin clamp for the deep in-situ fidelity coring calibration platform according to claim 1, wherein the mounting plate is movably arranged with the mounting bracket, vertical bar-shaped holes are formed in the mounting plate, each bar-shaped hole is internally provided with a hold-down pin, the hold-down pins are fixed on the mounting bracket, movable lugs are arranged on the mounting plate, movable support blocks are arranged on the mounting bracket, vertical studs are arranged at the upper ends of the movable support blocks, the studs pass through holes arranged on the movable lugs, the upper ends and the lower ends of the studs are respectively provided with an adjusting nut, two ends of the adjusting nut are respectively provided with a spring between the adjusting nut and the movable lugs, and the spring sleeves are arranged on the studs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091781.4A CN114458202B (en) | 2022-01-26 | 2022-01-26 | Core cabin hoop for deep in-situ fidelity coring calibration platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210091781.4A CN114458202B (en) | 2022-01-26 | 2022-01-26 | Core cabin hoop for deep in-situ fidelity coring calibration platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114458202A true CN114458202A (en) | 2022-05-10 |
| CN114458202B CN114458202B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210091781.4A Active CN114458202B (en) | 2022-01-26 | 2022-01-26 | Core cabin hoop for deep in-situ fidelity coring calibration platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN114458202B (en) |
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| CN111624027A (en) * | 2020-06-08 | 2020-09-04 | 深圳大学 | Intelligent assembly platform and assembly method for simulation test device of fidelity coring device |
| CN112061972A (en) * | 2020-08-17 | 2020-12-11 | 四川共享铸造有限公司 | Coring clamping tool |
| CN213970886U (en) * | 2020-12-25 | 2021-08-17 | 四川盛德门控科技有限公司 | Pipe body clamping mechanism for assembling gas spring |
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| CN215036093U (en) * | 2021-06-08 | 2021-12-07 | 浙江红阳汽车部件有限公司 | Grinding device is used in production and processing of dust protected clamp |
| US20220010640A1 (en) * | 2021-04-09 | 2022-01-13 | Hunan University Of Science And Technology | Long-distance core drilling method suitable for a horizontal geological core drilling rig |
| CN113969757A (en) * | 2021-09-30 | 2022-01-25 | 四川大学 | High-temperature and high-pressure environment simulation cabin structure for operation of fidelity corer |
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2022
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| US5411106A (en) * | 1993-10-29 | 1995-05-02 | Western Atlas International, Inc. | Method and apparatus for acquiring and identifying multiple sidewall core samples |
| US6478571B1 (en) * | 1999-12-21 | 2002-11-12 | Industrial Technology Research Institute | Clamping apparatus of an injection molding machine |
| US20030209092A1 (en) * | 2002-05-08 | 2003-11-13 | Ng Tze Cheun | Corer-grinder |
| US7021688B1 (en) * | 2002-07-22 | 2006-04-04 | Timothy Dale Glynn | Test core clamp |
| US20040191014A1 (en) * | 2003-03-24 | 2004-09-30 | May James L. | Core retainer |
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| CN203626676U (en) * | 2013-12-06 | 2014-06-04 | 国家深海基地管理中心 | Deep sea miniature electric coring submarine drill |
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| CN209261522U (en) * | 2018-12-06 | 2019-08-16 | 深圳大学 | Deep rock actively keeps the temperature coring device in situ |
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| CN209335177U (en) * | 2019-01-07 | 2019-09-03 | 山东临朐久恒模具有限公司 | A kind of clamp fixing tool for mold production |
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| CN215036093U (en) * | 2021-06-08 | 2021-12-07 | 浙江红阳汽车部件有限公司 | Grinding device is used in production and processing of dust protected clamp |
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| CN113969757A (en) * | 2021-09-30 | 2022-01-25 | 四川大学 | High-temperature and high-pressure environment simulation cabin structure for operation of fidelity corer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114458202B (en) | 2023-04-07 |
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