CN111577183A - A coring device for geological exploration engineering - Google Patents
A coring device for geological exploration engineering Download PDFInfo
- Publication number
- CN111577183A CN111577183A CN202010325171.7A CN202010325171A CN111577183A CN 111577183 A CN111577183 A CN 111577183A CN 202010325171 A CN202010325171 A CN 202010325171A CN 111577183 A CN111577183 A CN 111577183A
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- CN
- China
- Prior art keywords
- coring
- drill rod
- driving
- geological exploration
- plate
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- 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
- 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
- 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
Abstract
The invention provides a coring device for geological exploration engineering, which belongs to the technical field of geological exploration equipment and comprises a drill rod connected with external driving equipment, wherein a cavity is arranged in the drill rod, a first long groove communicated with the cavity is formed in the drill rod, a rotary drum is movably arranged in the cavity, a second long groove matched with the first long groove is formed in the rotary drum, a storage cavity is arranged in the rotary drum, and a coring assembly is arranged in the storage cavity. The soil layer sample can be scraped into the storage cavity for temporary storage through the arrangement of the core plate, the first long groove and the second long groove are staggered through the rotation of the rotary drum, so that the sealing performance of the storage cavity is ensured, the leakage phenomenon of the soil layer sample when the soil layer sample is taken out of the ground along with the drill rod is avoided, the soil layer sample is prevented from being mixed with soil layers on other layers, and the integrity of the soil layer sample is ensured.
Description
Technical Field
The invention belongs to the technical field of geological exploration equipment, and particularly relates to a coring device for geological exploration engineering.
Background
Geological exploration is investigation and research activities of surveying and detecting geology through various means and methods, determining a proper bearing stratum, determining a foundation type according to the foundation bearing capacity of the bearing stratum and calculating foundation parameters.
Need carry out analytical study to the soil layer of the different degree of depth among the geological exploration process, and the analytical study of soil layer is gone on based on the soil layer sample, therefore, need take a sample to the soil layer of the different degree of depth, mostly rely on coring bit to bore ground depths to the sample of soil layer among the prior art, take out ground with required soil layer sample, but the sampling of current sampling bit finishes the back and is taking soil layer sample off the ground, the soil layer of other different aspect of oil mixture easily, thereby bring inconvenience for subsequent research and analysis.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the embodiments of the present invention is to provide a coring device for geological exploration engineering.
In order to solve the technical problems, the invention provides the following technical scheme:
a coring device for geological exploration engineering comprises a drill rod connected with external driving equipment, wherein a cavity is arranged inside the drill rod, a first long groove communicated with the cavity is formed in the drill rod, a rotary drum is movably arranged inside the cavity, a second long groove matched with the first long groove is formed in the rotary drum, a storage cavity is formed inside the rotary drum, a coring assembly is arranged inside the storage cavity, a first driving assembly used for driving the rotary drum to rotate and a second driving assembly used for driving the coring assembly to move left and right are arranged inside the drill rod, the coring assembly comprises a driving shaft arranged along the horizontal central axis of the rotary drum and a coring plate rotatably arranged on the outer wall of the driving shaft, a baffle used for limiting the coring plate and an elastic supporting piece used for supporting the coring plate are fixedly arranged on the outer wall of the driving shaft, the driving shaft is connected with the inner wall of the rotary drum through a limiting component.
As a further improvement of the invention: the first driving assembly comprises a first motor and a first rotating shaft, the first motor is mounted inside the drill rod, the first rotating shaft is connected to the output end of the first motor, one end, far away from the first motor, of the first rotating shaft is fixedly connected with the rotating drum, and a first bearing in rotating fit with the first rotating shaft is further arranged inside the drill rod.
As a further improvement of the invention: the second drive assembly is including installing the inside second motor of drilling rod and connecting the second pivot of second motor output, the second pivot is kept away from the one end of second motor extends to inside and with the drive shaft screw-thread fit of drive shaft, inside still be provided with of drilling rod with second pivot normal running fit's second bearing.
As a further improvement of the invention: the limiting assembly comprises a supporting plate fixedly mounted on the outer wall of the driving shaft and a sliding rail mounted on the inner wall of the rotary drum, and one end, far away from the driving shaft, of the supporting plate is in sliding fit with the sliding rail.
As a still further improvement of the invention: the outer wall of the driving shaft is fixedly provided with a rotating base, and the bottom of the core taking plate is in running fit with the rotating base through a pin shaft.
As a still further improvement of the invention: the elastic supporting piece is a spring or an elastic sheet.
As a still further improvement of the invention: the side surface of the coring plate is provided with a guide chute.
As a still further improvement of the invention: one end of the drill rod, which is far away from the external driving equipment, is connected with an end plate through a screw, and one side of the end plate, which is far away from the drill rod, is provided with a soil crushing assembly.
As a still further improvement of the invention: the soil crushing component is a conical bulge uniformly arranged on the side surface of the end plate.
As a still further improvement of the invention: the baffle is obliquely arranged.
Compared with the prior art, the invention has the beneficial effects that:
the soil layer sample can be scraped into the storage cavity for temporary storage through the arrangement of the core plate, the first long groove and the second long groove are staggered through the rotation of the rotary drum, so that the sealing performance of the storage cavity is ensured, the leakage phenomenon of the soil layer sample when the soil layer sample is taken out of the ground along with the drill rod is avoided, the soil layer sample is prevented from being mixed with soil layers on other layers, and the integrity of the soil layer sample is ensured.
Drawings
FIG. 1 is a schematic diagram of a coring device for geological exploration engineering;
FIG. 2 is a schematic cross-sectional view of a drum of a coring apparatus for use in geological exploration projects;
FIG. 3 is a schematic view of a core plate of a coring device for geological exploration;
FIG. 4 is an enlarged view of the area A in FIG. 1 according to example 1;
FIG. 5 is an enlarged view of the area A in FIG. 1 according to example 2;
in the figure: the device comprises a drill rod 1, a first motor 2, a first driving rod 3, a first bearing 4, a rotating drum 5, a first long groove 6, a second long groove 7, a core taking plate 8, a driving shaft 9, a second driving rod 10, a second bearing 11, a second motor 12, an end plate 13, a soil crushing assembly 14, a storage cavity 15, an elastic supporting member 16, a pin shaft 17, a baffle 18, a rotating base 19, a guide chute 20, a sliding rail 21 and a supporting plate 22.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-4, the embodiment provides a coring device for geological exploration engineering, including a drill rod 1 connected to an external driving device, a cavity is disposed inside the drill rod 1, a first long groove 6 communicated with the cavity is disposed on the drill rod 1, a rotating drum 5 is movably disposed inside the cavity, a second long groove 7 adapted to the first long groove 6 is disposed on the rotating drum 5, a storage cavity 15 is disposed inside the rotating drum 5, a coring assembly is disposed inside the storage cavity 15, a first driving assembly for driving the rotating drum 5 to rotate and a second driving assembly for driving the coring assembly to move left and right are disposed inside the drill rod 1, specifically, the coring assembly includes a driving shaft 9 disposed along a horizontal central axis of the rotating drum 5 and a coring plate 8 rotatably disposed on an outer wall of the driving shaft 9, a baffle 18 for limiting the core taking plate 8 and an elastic support member 16 for supporting the core taking plate 8 are fixedly arranged on the outer wall of the driving shaft 9, and the driving shaft 9 is connected with the inner wall of the rotary drum 5 through a limiting assembly.
Initially, the coring plate 8 is retracted inside the storage cavity 15, the drill rod 1 is driven into the soil layer through an external driving device, when the drill rod 1 enters the sampling soil layer depth, the first driving assembly is used for driving the rotary drum 5 to rotate, so that when the second long groove 7 on the rotary drum 5 corresponds to the first long groove 6, the second driving assembly drives the driving rod 9 to horizontally move inside the storage cavity 15 under the action of the limiting assembly, along with the movement of the driving shaft 9, the end part of the coring plate 8 extends into the second long groove 7 and the first long groove 6, the coring plate is gradually erected under the supporting effect of the elastic supporting member 16, so that the end part of the coring plate 8 extends to the outside of the drill rod 1, meanwhile, the baffle plate 18 is used for limiting the coring plate 8, stable support is provided for the coring plate 8, at the moment, along with the continuous movement of the driving shaft 9, the erected coring plate 8 is driven by, the soil layer samples enter the storage cavity 15 from the first long groove 6 and the second long groove 7 to finish the sampling operation of the soil layer, after the soil layer sampling is finished, the second driving assembly drives the driving shaft 9 to return until the core taking plate 8 is recovered to the storage cavity 15 again, at the moment, the first driving assembly drives the rotary drum 5 to rotate reversely, so that the first long groove 6 and the second long groove 7 are staggered, the sealed environment of the storage cavity 15 is ensured, and the soil layer samples in the storage cavity 15 are prevented from leaking out in the process of taking the drill rod 1 out.
Specifically, the first driving assembly comprises a first motor 2 installed inside the drill rod 1 and a first rotating shaft 3 connected to an output end of the first motor 2, one end, far away from the first motor 2, of the first rotating shaft 3 is fixedly connected with the rotating drum 5, and a first bearing 4 in running fit with the first rotating shaft 3 is further arranged inside the drill rod 1.
The first motor 2 drives the first rotating shaft 3 to rotate, and further drives the rotating drum 5 to rotate, so that the second long groove 7 is aligned with the first long groove 6.
Specifically, the second driving assembly comprises a second motor 12 installed inside the drill rod 1 and a second rotating shaft 10 connected to the output end of the second motor 12, one end, far away from the second motor 12, of the second rotating shaft 10 extends into the driving shaft 9 and is in threaded fit with the driving shaft 9, and a second bearing 11 in running fit with the second rotating shaft 10 is further arranged inside the drill rod 1.
The second rotating shaft 10 is driven to rotate by the second motor 12, the driving shaft 9 is driven to horizontally move in the storage cavity 15 under the action of the limiting assembly, the coring plate 8 is erected under the action of the elastic supporting piece 16, and the end part of the coring plate 8 is used for scraping surrounding soil layers, so that soil layer samples enter the storage cavity 15 from the second long groove 6 and the second long groove 7, and coring operation is completed.
Specifically, the limiting assembly comprises a supporting plate 22 fixedly mounted on the outer wall of the driving shaft 9 and a sliding rail 21 mounted on the inner wall of the rotating drum 5, and one end of the supporting plate 22, which is far away from the driving shaft 9, is in sliding fit with the sliding rail 21.
Specifically, the outer wall of the driving shaft 9 is fixedly provided with a rotating base 19, and the bottom of the core taking plate 8 is in running fit with the rotating base 19 through a pin shaft 17.
Specifically, the elastic support 16 is a spring or a leaf spring.
Furthermore, a material guide groove 20 is formed in the side surface of the core taking plate 8, and through the arrangement of the material guide groove 20, the soil layer sample scraped by the core taking plate 8 can be smoothly guided into the storage cavity 15.
Further, one end, far away from the external driving device, of the drill rod 1 is connected with an end plate 13 through a screw, and a soil crushing assembly 14 is arranged on one side, far away from the drill rod 1, of the end plate 13.
Through the setting of end plate 13 and hack subassembly 14, can provide the protection and improve the hack effect for drilling rod 1, guarantee drilling rod 1 can be smooth and bore ground.
Specifically, the soil breaking assemblies 14 are conical protrusions uniformly arranged on the side surfaces of the end plates 13.
The working principle of the embodiment of the invention is as follows: initially, the coring plate 8 is retracted inside the storage cavity 15, the drill rod 1 is driven into the soil layer through an external driving device, when the drill rod 1 enters the sampling soil layer depth, the first driving assembly is used for driving the rotary drum 5 to rotate, so that when the second long groove 7 on the rotary drum 5 corresponds to the first long groove 6, the second driving assembly drives the driving rod 9 to horizontally move inside the storage cavity 15 under the action of the limiting assembly, along with the movement of the driving shaft 9, the end part of the coring plate 8 extends into the second long groove 7 and the first long groove 6, the coring plate is gradually erected under the supporting effect of the elastic supporting member 16, so that the end part of the coring plate 8 extends to the outside of the drill rod 1, meanwhile, the baffle plate 18 is used for limiting the coring plate 8, stable support is provided for the coring plate 8, at the moment, along with the continuous movement of the driving shaft 9, the erected coring plate 8 is driven by, the soil layer samples enter the storage cavity 15 from the first long groove 6 and the second long groove 7 to finish the sampling operation of the soil layer, after the soil layer sampling is finished, the second driving assembly drives the driving shaft 9 to return until the core taking plate 8 is recovered to the storage cavity 15 again, at the moment, the first driving assembly drives the rotary drum 5 to rotate reversely, so that the first long groove 6 and the second long groove 7 are staggered, the sealed environment of the storage cavity 15 is ensured, and the soil layer samples in the storage cavity 15 are prevented from leaking out in the process of taking the drill rod 1 out.
The first motor 2 drives the first rotating shaft 3 to rotate, and further drives the rotating drum 5 to rotate, so that the second long groove 7 is aligned with the first long groove 6.
The second rotating shaft 10 is driven to rotate by the second motor 12, the driving shaft 9 is driven to horizontally move in the storage cavity 15 under the action of the limiting assembly, the coring plate 8 is erected under the action of the elastic supporting piece 16, and the end part of the coring plate 8 is used for scraping surrounding soil layers, so that soil layer samples enter the storage cavity 15 from the second long groove 6 and the second long groove 7, and coring operation is completed.
Example 2
Referring to fig. 5, in the present embodiment, compared with embodiment 1, the baffle 18 is obliquely disposed, so that when the core taking plate 8 abuts against the baffle 18, the core taking plate 8 is in an oblique state, so that when the core taking plate 8 scrapes a soil layer, a soil layer sample can be smoothly scraped into the storage cavity 15, and sampling efficiency is improved.
The soil layer sample can be scraped into the storage cavity 15 for temporary storage through the arrangement of the core plate 8, the first long groove 6 and the second long groove 7 are staggered through the rotation of the rotary drum 5, so that the sealing performance of the storage cavity 15 is guaranteed, the leakage phenomenon of the soil layer sample when the soil layer sample is taken out of the ground along with the drill rod 1 is avoided, meanwhile, the soil layer sample is prevented from being mixed with soil layers on other layers, and the integrity of the soil layer sample is guaranteed.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (10)
1. The coring device for geological exploration engineering comprises a drill rod (1) connected with external driving equipment, and is characterized in that a cavity is formed inside the drill rod (1), a first long groove (6) communicated with the cavity is formed in the drill rod (1), a rotary drum (5) is movably arranged inside the cavity, a second long groove (7) matched with the first long groove (6) is formed in the rotary drum (5), a storage cavity (15) is formed inside the rotary drum (5), a coring component is arranged inside the storage cavity (15), a first driving component for driving the rotary drum (5) to rotate and a second driving component for driving the coring component to move left and right are arranged inside the drill rod (1), the coring component comprises a driving shaft (9) arranged along the horizontal central axis of the rotary drum (5) and a coring plate (8) rotatably arranged on the outer wall of the driving shaft (9), the outer wall of the driving shaft (9) is fixedly provided with a baffle (18) used for limiting the core taking plate (8) and an elastic supporting piece (16) used for supporting the core taking plate (8), and the driving shaft (9) is connected with the inner wall of the rotary drum (5) through a limiting assembly.
2. The coring device for geological exploration engineering as claimed in claim 1, characterized in that the first driving assembly comprises a first motor (2) installed inside the drill rod (1) and a first rotating shaft (3) connected to the output end of the first motor (2), one end of the first rotating shaft (3) far away from the first motor (2) is fixedly connected with the rotating drum (5), and a first bearing (4) rotatably matched with the first rotating shaft (3) is further arranged inside the drill rod (1).
3. Coring device for geological exploration engineering, according to claim 1, characterized in that said second driving assembly comprises a second motor (12) mounted inside said drill rod (1) and a second rotating shaft (10) connected at the output of said second motor (12), the end of said second rotating shaft (10) remote from said second motor (12) extending inside said driving shaft (9) and being in threaded engagement with said driving shaft (9), said drill rod (1) being further internally provided with a second bearing (11) in rotational engagement with said second rotating shaft (10).
4. A coring device for geological exploration engineering as claimed in claim 3, characterized in that said stop assembly comprises a support plate (22) fixedly mounted on the outer wall of the drive shaft (9) and a slide rail (21) mounted on the inner wall of the drum (5), the end of the support plate (22) remote from the drive shaft (9) being in sliding engagement with the slide rail (21).
5. The coring device for geological exploration engineering as claimed in claim 1, characterized in that a rotating base (19) is fixedly arranged on the outer wall of the driving shaft (9), and the bottom of the coring plate (8) is rotatably matched with the rotating base (19) through a pin shaft (17).
6. Coring device for geological exploration engineering, according to claim 1, characterized by the fact that the elastic support (16) is a spring or a leaf spring.
7. The coring device for geological exploration engineering as claimed in claim 1, wherein the coring plate (8) is provided with a material guide chute (20) at the side surface.
8. Coring device for geological exploration engineering, according to claim 1, characterized by the fact that the end of the drill rod (1) remote from the external driving device is screwed with an end plate (13), the side of the end plate (13) remote from the drill rod (1) being provided with a soil-breaking assembly (14).
9. Coring device for geological exploration engineering, according to claim 8, characterized by the fact that the soil-breaking assembly (14) is a conical protuberance uniformly arranged on the side of the end plate (13).
10. Coring device for geological exploration projects, according to any of the claims from 1 to 9, characterized by the fact that said baffle (18) is inclined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325171.7A CN111577183A (en) | 2020-04-23 | 2020-04-23 | A coring device for geological exploration engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325171.7A CN111577183A (en) | 2020-04-23 | 2020-04-23 | A coring device for geological exploration engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111577183A true CN111577183A (en) | 2020-08-25 |
Family
ID=72120246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010325171.7A Withdrawn CN111577183A (en) | 2020-04-23 | 2020-04-23 | A coring device for geological exploration engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111577183A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494256A (en) * | 2021-08-02 | 2021-10-12 | 贵州理工学院 | Geological exploration engineering is with supplementary coring device |
| CN113933095A (en) * | 2021-10-12 | 2022-01-14 | 安徽国图勘测规划有限公司 | Soil layer surveying device for engineering survey |
| CN116517492A (en) * | 2023-07-04 | 2023-08-01 | 中国矿业大学 | Coring device while drilling for coal beds with different depths and use method |
-
2020
- 2020-04-23 CN CN202010325171.7A patent/CN111577183A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113494256A (en) * | 2021-08-02 | 2021-10-12 | 贵州理工学院 | Geological exploration engineering is with supplementary coring device |
| CN113933095A (en) * | 2021-10-12 | 2022-01-14 | 安徽国图勘测规划有限公司 | Soil layer surveying device for engineering survey |
| CN113933095B (en) * | 2021-10-12 | 2023-12-12 | 安徽国图勘测规划有限公司 | Soil layer surveys device for engineering survey |
| CN116517492A (en) * | 2023-07-04 | 2023-08-01 | 中国矿业大学 | Coring device while drilling for coal beds with different depths and use method |
| CN116517492B (en) * | 2023-07-04 | 2023-11-17 | 徐州矿务集团有限公司 | Coring device while drilling for coal beds with different depths and use method |
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Application publication date: 20200825 |
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