CN221032468U - Core barrel structure - Google Patents
Core barrel structure Download PDFInfo
- Publication number
- CN221032468U CN221032468U CN202323030494.1U CN202323030494U CN221032468U CN 221032468 U CN221032468 U CN 221032468U CN 202323030494 U CN202323030494 U CN 202323030494U CN 221032468 U CN221032468 U CN 221032468U
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- China
- Prior art keywords
- connecting pipe
- core barrel
- core
- pipe body
- clamping sleeve
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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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- 238000005553 drilling Methods 0.000 description 10
- 239000011435 rock Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to the technical field of core barrel structures, in particular to a core barrel structure which comprises two core barrel bodies, an upper connecting pipe body, a connecting pipe body and a lower connecting pipe body, wherein each group of core barrel bodies comprises a core barrel split body I and a core barrel split body II, the core barrel bodies are arranged between the upper connecting pipe body and the connecting pipe body and between the connecting pipe body and the lower connecting pipe body, the upper connecting pipe body comprises two groups of upper connecting pipe split bodies, the upper connecting pipe split bodies are detachably connected with the core barrel bodies and are positioned above the core barrel bodies, the connecting pipe body comprises two groups of connecting pipe split bodies, the connecting pipe split bodies are detachably connected with the two groups of core barrel bodies and are positioned between the two groups of core barrel bodies, the lower connecting pipe body comprises two groups of lower connecting pipe split bodies, the lower connecting pipe split bodies are detachably connected with the core barrel bodies and are positioned below the core barrel bodies, and the core barrel structure is convenient for carrying and transporting the core barrel and the complete taking out of samples in the core barrel.
Description
Technical Field
The utility model relates to the technical field of core barrel structures, in particular to a core barrel structure.
Background
The core tube is a section of pipe connected to the upper part of the drill bit in core drilling and used for accommodating and protecting the core; when drilling, the drilling tool also plays a role of guiding the drilling tool, and in order to prevent the drilling tool from bending, a plurality of core tubes are usually connected to form a long and thick diameter drilling tool, at present, both ends of each core tube are respectively provided with a male thread and a female thread, and then the core tubes are connected through butt joint of the male thread and the female thread; in the structure, the walls of the threaded parts on the two end parts of the core barrel are thinner, so that the strength on the two end parts of the core barrel is reduced, and the shock resistance of the core barrel structure is reduced.
In order to solve the above-mentioned problems, the prior art patent (CN 202937210U) discloses a friction welded core barrel structure, which comprises a plurality of core barrels, wherein two ends of each core barrel are respectively friction welded with a male connector and a female connector, the male connector and the female connector are matched with each other, and each core barrel is connected in a matched manner through the male connector and the female connector; the male connectors are carburized male connectors or nitrided male connectors, and the female connectors are carburized female connectors or nitrided female connectors; the utility model has the advantages that: the strength of the two ends of the core barrel is higher, and the problem of reduced shock resistance of the core barrel structure caused by insufficient strength is avoided.
However, in the above prior art, the carrying and transportation of the core barrel are inconvenient due to the welding mode, and after the core barrel is taken out, the rock sample in the core barrel needs to be taken out, and the whole sampling process is usually that a worker manually knocks the core barrel to enable the sample to slide out of the core barrel, so that the integrity of the sample is easily damaged.
Disclosure of utility model
The utility model aims to provide a core barrel structure, which solves the technical problems that the carrying and the transportation of the core barrel are inconvenient in a welding mode in the prior art, and rock samples in the core barrel need to be taken out after the core barrel is taken out, and the whole sampling process is usually that workers manually strike the core barrel to enable the samples to slide out of the core barrel, so that the integrity of the samples is easy to be damaged.
In order to achieve the above purpose, the core barrel structure adopted by the utility model comprises two core barrel bodies, an upper connecting pipe body, a connecting pipe body and a lower connecting pipe body, wherein the axial center lines of the two groups of core barrel bodies are the same straight line, each group of core barrel bodies comprises a core barrel split body I and a core barrel split body II, the axial center lines of the upper connecting pipe body, the connecting pipe body and the lower connecting pipe body are the same straight line, the core barrel bodies are arranged between the upper connecting pipe body and the connecting pipe body and between the connecting pipe body and the lower connecting pipe body, the upper connecting pipe body comprises two groups of upper connecting pipe split bodies, the two groups of upper connecting pipe split bodies are symmetrically arranged, the upper connecting pipe split bodies are connected with the core barrel bodies in a disassembling mode, the connecting pipe split bodies are symmetrically arranged with the two groups of connecting pipe split bodies, the core barrel bodies are positioned between the two groups of core barrel bodies, the lower connecting pipe split bodies comprise two groups of split bodies, and the lower connecting pipe split bodies are symmetrically arranged between the core barrel bodies and the lower connecting pipe split bodies are arranged.
Each group of upper connecting pipe split bodies comprises an upper thread, an upper connecting pipe body and an inner clamping sleeve I, wherein the upper thread is fixedly connected with the upper connecting pipe body and is positioned above the upper connecting pipe body, the upper connecting pipe body is fixedly connected with the inner clamping sleeve I and is positioned above the inner clamping sleeve I, and the inner clamping sleeve I is detachably connected with the core barrel body and is positioned in the core barrel body.
Each group of connecting pipe components of a whole that can function independently includes outer cutting ferrule one, connecting pipe body and interior clamping ferrule two, outer clamping ferrule one with the core barrel body is dismantled and is connected, and the cover is located the outside of core barrel body, connecting pipe body with outer clamping ferrule one fixed connection, and be located outer clamping ferrule one with interior clamping ferrule two, interior clamping ferrule two with the core barrel body is dismantled and is connected, and be located the core barrel is originally internal.
Each group of lower connecting pipe split bodies comprises an outer clamping sleeve II, a lower connecting pipe body and lower threads, wherein the outer clamping sleeve II is detachably connected with the core barrel body and sleeved on the outer side of the core barrel body, the lower connecting pipe body is fixedly connected with the outer clamping sleeve II and located below the outer clamping sleeve II, and the lower threads are fixedly connected with the lower connecting pipe body and located below the lower connecting pipe body.
Each group of core tube split bodies comprises an outer clamping sleeve III, a core tube body I, an inner clamping sleeve III and four clamping blocks, wherein the outer clamping sleeve III is detachably connected with the inner clamping sleeve I and sleeved on the outer side of the inner clamping sleeve I, the core tube body I is fixedly connected with the outer clamping sleeve III and located below the outer clamping sleeve III, the inner clamping sleeve III is detachably connected with the outer clamping sleeve I and located in the outer clamping sleeve I, and the four clamping blocks are fixedly connected with the core tube body I and located above the core tube body I.
Each group of the core barrel split bodies comprises an outer clamping sleeve IV, a core barrel body II and an inner clamping sleeve IV, the core barrel body II is provided with a clamping groove matched with the clamping block, the outer clamping sleeve IV is detachably connected with the inner clamping sleeve I and sleeved on the outer side of the inner clamping sleeve I, the core barrel body II is clamped with the four clamping blocks and located below the core barrel body I, and the inner clamping sleeve IV is detachably connected with the outer clamping sleeve I and located in the outer clamping sleeve I.
The core barrel structure further comprises a positioning block and two inserting rods, the second core barrel body is provided with a positioning groove matched with the positioning block, the positioning block is fixedly connected with the first core barrel body and is located in the positioning groove, the two inserting rods are symmetrically arranged, and the inserting rods are detachably connected with the second core barrel body and penetrate through the second core barrel body and the four clamping blocks.
According to the core barrel structure, the upper connecting pipe split bodies are detachably connected with the core barrel body and are positioned above the core barrel body, the connecting pipe split bodies are detachably connected with the two groups of core barrel bodies and are positioned between the two groups of core barrel bodies, the lower connecting pipe split bodies are detachably connected with the core barrel body and are positioned below the core barrel body, when the core barrel structure is specifically used, the upper ends of the two groups of upper connecting pipe split bodies are connected with drilling equipment, the lower ends of the two groups of upper connecting pipe split bodies are detachably connected with the core barrel body, when the core barrel body needs to be added, the two groups of core barrel bodies are connected through the two groups of connecting pipe split bodies, and the lower ends of the core barrel body are detachably connected with the two groups of lower connecting pipe split bodies.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a first embodiment of the present utility model.
Fig. 2 is a front view of a first embodiment of the present utility model.
Fig. 3 is a cross-sectional view of the A-A line structure of fig. 2 in accordance with the present utility model.
Fig. 4 is a partial structural schematic diagram of the first embodiment of the present utility model.
Fig. 5 is a schematic structural view of a second embodiment of the present utility model.
101-Upper threads, 102-upper connecting pipe body, 103-inner clamping sleeve I, 104-outer clamping sleeve I, 105-connecting pipe body, 106-inner clamping sleeve II, 107-outer clamping sleeve II, 108-lower connecting pipe body, 109-lower threads, 110-outer clamping sleeve III, 111-core barrel I, 112-inner clamping sleeve III, 113-clamping block, 114-outer clamping sleeve IV, 115-core barrel II, 116-inner clamping sleeve IV, 117-clamping groove, 201-positioning block, 202-inserting rod and 203-positioning groove.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
The first embodiment of the application is as follows:
Referring to fig. 1 to 4, fig. 1 is a schematic structural view of a first embodiment of the present utility model, fig. 2 is a front view of the first embodiment of the present utility model, fig. 3 is a sectional view of the A-A line structure of fig. 2 of the present utility model, and fig. 4 is a schematic partial structural view of the first embodiment of the present utility model.
The utility model provides a core barrel structure, which comprises two core barrel bodies, an upper connecting pipe body, a connecting pipe body and a lower connecting pipe body, wherein each group of the core barrel bodies comprises a core barrel split body I and a core barrel split body II, each group of the upper connecting pipe bodies comprises two groups of connecting pipe split bodies, each group of the lower connecting pipe bodies comprises two groups of lower connecting pipe split bodies, each group of the core barrel split bodies comprises an outer clamping sleeve III 110, a core barrel body I111, an inner clamping sleeve III 112 and four clamping blocks 113, each group of the core barrel split bodies comprises an outer clamping sleeve IV 114, a core barrel II 115 and an inner clamping sleeve IV 116, each group of the upper connecting pipe split bodies comprises an upper thread 101, an upper connecting pipe body 102 and an inner clamping sleeve I103, each group of the connecting pipe split bodies comprises an outer clamping sleeve I104, a connecting pipe body 105 and an inner clamping sleeve II 106, each group of the lower connecting pipe split bodies comprises an outer clamping sleeve II 107, a lower connecting pipe body 108 and a lower thread 109, the core barrel is inconvenient to carry and transport in a welding mode, and the core barrel is easy to take out samples from the core barrel manually, and samples of the core barrel are easy to take out, and samples of the core barrel are required to be taken out completely by a sample manually.
To this concrete embodiment, go up the takeover body the connecting pipe body with the axial central line of takeover body down is same straight line, go up the takeover body with between the connecting pipe body and between the connecting pipe body with all be provided with down between the takeover body the core barrel body, go up the takeover body and include two sets of takeover components of a group, two sets of go up takeover components of a group the body symmetry sets up, go up the takeover components of a group with the core barrel body dismantles the connection, and is located the top of core barrel body, the connecting pipe body includes two sets of connecting pipe components of a group, two sets of connecting pipe components of a group with two sets of core barrel body are located between the core barrel body, the lower takeover body includes two sets of lower takeover components of a group's body symmetry sets up, lower takeover components of a group with the core barrel body dismantles the connection, two sets of upper end and drilling equipment connection, two sets of upper end of takeover components of a group the body with the core barrel body is dismantled with the core barrel body down, two sets of a group's rock core barrel body and the lower end of a group need not be dismantled the core barrel, two sets of rock pipe components of a group need be dismantled with the lower end of a core barrel body.
The upper thread 101 is fixedly connected with the upper connecting pipe body 102 and is located above the upper connecting pipe body 102, the upper connecting pipe body 102 is fixedly connected with the inner clamping sleeve I103 and is located above the inner clamping sleeve I103, the inner clamping sleeve I103 is detachably connected with the core barrel body and is located in the core barrel body, the upper connecting pipe body 102 is fixedly connected with the upper thread 101 and the inner clamping sleeve I103, and the upper thread 101 is fixedly connected with drilling equipment in a threaded manner and is fixedly connected with the upper connecting pipe body 102 through the inner clamping sleeve I103.
Secondly, outer clamping sleeve one 104 with the core barrel body dismantles to be connected, and the cover is located the outside of core barrel body, connecting pipe body 105 with outer clamping sleeve one 104 fixed connection, and be located outer clamping sleeve one 104 with between the inner clamping sleeve two 106, inner clamping sleeve two 106 with the core barrel body dismantles to be connected, and be located in the core barrel body, connecting pipe body 105 is fixed outer clamping sleeve one 104 with inner clamping sleeve two 106, through outer clamping sleeve one 104 with inner clamping sleeve two 106 can make its two sets of core barrel body concatenation to this is convenient for add the core barrel according to the demand.
Simultaneously, outer cutting ferrule two 107 with the core barrel body dismantles to be connected, and the cover is located the outside of core barrel body, lower take over body 108 with outer cutting ferrule two 107 fixed connection, and be located the below of outer cutting ferrule two 107, lower screw thread 109 with lower take over body 108 fixed connection, and be located the below of lower take over body 108, lower take over body 108 is fixed outer cutting ferrule two 107 with lower screw thread 109, outer cutting ferrule two 107 with the core barrel body dismantles to be connected, with this fixed upper end the core barrel body, lower screw thread 109 is used for carrying out threaded connection with the drill bit fixedly.
In addition, the third outer clamping sleeve 110 is detachably connected with the first inner clamping sleeve 103 and sleeved on the outer side of the first inner clamping sleeve 103, the first core barrel body 111 is fixedly connected with the third outer clamping sleeve 110 and positioned below the third outer clamping sleeve 110, the third inner clamping sleeve 112 is detachably connected with the first outer clamping sleeve 104 and positioned in the first outer clamping sleeve 104, the four clamping blocks 113 are fixedly connected with the first core barrel body 111 and positioned above the first core barrel body 111, the third outer clamping sleeve 110 and the third inner clamping sleeve 112 are fixed through the third outer clamping sleeve 110 and the third inner clamping sleeve 112, and the third core barrel body 111 and the second core barrel body are detachably connected through the third outer clamping sleeve 110 and the third inner clamping sleeve 112.
Secondly, the second core barrel 115 is provided with a clamping groove 117 adapted to the clamping block 113, the fourth outer clamping sleeve 114 is detachably connected with the first inner clamping sleeve 103 and sleeved on the outer side of the first inner clamping sleeve 103, the second core barrel 115 is clamped with the four clamping blocks 113 and positioned below the first core barrel 111, the fourth inner clamping sleeve 116 is detachably connected with the first outer clamping sleeve 104 and positioned in the first outer clamping sleeve 104, and the fourth outer clamping sleeve 114 and the fourth inner clamping sleeve 116 are fixed on the core barrel through the clamping groove 117 so as to form a closed loop by clamping the first core barrel 111, so that a sample in the pipe is not damaged during the disassembly.
Use a core barrel structure of this embodiment, through setting up takeover body, connecting pipe body and lower takeover body, when specifically using, go up screw thread 101 with drilling equipment threaded connection is fixed, outer clamp third 110 with outer clamp fourth 114 pressfitting inner clamp first 103 to this is fixed go up takeover body 102, four the buckle joint in the joint groove 117, core barrel first 111 with core barrel second 115 laminating, outer clamp first 104 pressfitting inner clamp third 112 with inner clamp fourth 116 to this is fixed core barrel first 111 with core barrel second 115, through connecting pipe 105 adds another group core barrel body, outer clamp second 107 pressfitting inner clamp third 112 with inner clamp fourth 116, lower end of connecting pipe 108 with through lower screw 109 carries out threaded connection with the drill bit and fixes, and when the operation is accomplished needs the sample, can effectively guarantee sample's integrality, and the integrality of just being convenient for of sample dismantlement.
The second embodiment of the application is:
On the basis of the first embodiment, please refer to fig. 5, fig. 5 is a schematic structural diagram of a second embodiment of the present utility model.
The utility model provides a core barrel structure which comprises a positioning block 201 and two inserted bars 202.
For this embodiment, the second core barrel 115 has a positioning slot 203 adapted to the positioning block 201, the positioning block 201 is fixedly connected with the first core barrel 111, and is located in the positioning slot 203, two insert rods 202 are symmetrically arranged, the insert rods 202 are detachably connected with the second core barrel 115, penetrate through the second core barrel 115 and four clamping blocks 113, and the positioning block 201 is used for rapidly positioning the first core barrel 111 and the second core barrel 115 in a clamping position, so that the first core barrel 111 and the second core barrel 115 are clamped and connected more stably through the insert rods 202.
By means of the core barrel structure, when the core barrel structure is specifically used, the positioning block 201 is used for foolproof design, the clamping positions of the first core barrel body 111 and the second core barrel body 115 can be rapidly positioned, and the first core barrel body 111 and the second core barrel body 115 are clamped more stably through the inserting rods 202, so that displacement phenomenon in assembly is prevented.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (7)
1. The core barrel structure comprises two core barrel bodies, wherein the axial central lines of the two groups of core barrel bodies are in the same straight line, each group of core barrel bodies comprises a core barrel split body I and a core barrel split body II, and is characterized in that,
The connecting pipe comprises a core pipe body, a connecting pipe body and a lower connecting pipe body, wherein the axial center lines of the upper connecting pipe body, the connecting pipe body and the lower connecting pipe body are in the same straight line, the upper connecting pipe body, the connecting pipe body and the lower connecting pipe body are all provided with the core pipe body, the upper connecting pipe body comprises two groups of upper connecting pipe split bodies, two groups of upper connecting pipe split bodies are symmetrically arranged, the upper connecting pipe split bodies are detachably connected with the core pipe body and are located above the core pipe body, the connecting pipe body comprises two groups of connecting pipe split bodies, two groups of connecting pipe split bodies are symmetrically arranged, the connecting pipe split bodies are detachably connected with the core pipe body and are located between the core pipe bodies, the lower connecting pipe body comprises two groups of lower connecting pipe split bodies, two groups of lower connecting pipe split bodies are symmetrically arranged, and the lower connecting pipe split bodies are detachably connected with the core pipe body and are located below the core pipe body.
2. The core barrel structure of claim 1, wherein,
Each group of upper connecting pipe split bodies comprises an upper thread, an upper connecting pipe body and an inner clamping sleeve I, wherein the upper thread is fixedly connected with the upper connecting pipe body and is positioned above the upper connecting pipe body, the upper connecting pipe body is fixedly connected with the inner clamping sleeve I and is positioned above the inner clamping sleeve I, and the inner clamping sleeve I is detachably connected with the core barrel body and is positioned in the core barrel body.
3. The core barrel structure of claim 2, wherein,
Each group of connecting pipe components of a whole that can function independently includes outer cutting ferrule one, connecting pipe body and interior clamping ferrule two, outer clamping ferrule one with the core barrel body dismantles to be connected, and the cover is located the outside of core barrel body, connecting pipe body with outer clamping ferrule one fixed connection, and be located outer clamping ferrule one with interior clamping ferrule two, interior clamping ferrule two with the core barrel body dismantles to be connected, and be located the core barrel is originally internal.
4. The core barrel structure of claim 3, wherein,
Each group of lower connecting pipe split comprises an outer clamping sleeve II, a lower connecting pipe body and lower threads, wherein the outer clamping sleeve II is detachably connected with the core barrel body and sleeved on the outer side of the core barrel body, the lower connecting pipe body is fixedly connected with the outer clamping sleeve II and located below the outer clamping sleeve II, and the lower threads are fixedly connected with the lower connecting pipe body and located below the lower connecting pipe body.
5. The core barrel structure of claim 4, wherein,
Each group of core tube components of a whole that can function independently include outer cutting ferrule three, core tube body one, interior cutting ferrule three and four fixture blocks, outer cutting ferrule three with interior cutting ferrule one dismantles to be connected, and the cover is located the outside of interior cutting ferrule one, core tube body one with outer cutting ferrule three fixed connection, and be located outer cutting ferrule three below, interior cutting ferrule three with outer cutting ferrule one dismantles to be connected, and is located outer cutting ferrule one, four the fixture blocks with core tube body one fixed connection, and be located the top of core tube body one.
6. The core barrel structure of claim 5, wherein,
Each group of the core tube split bodies comprises an outer clamping sleeve IV, a core tube body II and an inner clamping sleeve IV, wherein the core tube body II is provided with a clamping groove matched with the clamping block, the outer clamping sleeve IV is detachably connected with the inner clamping sleeve I and sleeved on the outer side of the inner clamping sleeve I, the core tube body II is clamped with the four clamping blocks and positioned below the core tube body I, and the inner clamping sleeve IV is detachably connected with the outer clamping sleeve I and positioned in the outer clamping sleeve I.
7. The core barrel structure of claim 6, wherein,
The core barrel structure further comprises a positioning block and two inserted bars, the second core barrel body is provided with a positioning groove matched with the positioning block, the positioning block is fixedly connected with the first core barrel body and is positioned in the positioning groove, the two inserted bars are symmetrically arranged, and the inserted bars are detachably connected with the second core barrel body and penetrate through the second core barrel body and the four clamping blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323030494.1U CN221032468U (en) | 2023-11-10 | 2023-11-10 | Core barrel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323030494.1U CN221032468U (en) | 2023-11-10 | 2023-11-10 | Core barrel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032468U true CN221032468U (en) | 2024-05-28 |
Family
ID=91173247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323030494.1U Active CN221032468U (en) | 2023-11-10 | 2023-11-10 | Core barrel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032468U (en) |
-
2023
- 2023-11-10 CN CN202323030494.1U patent/CN221032468U/en active Active
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