CN215726964U - A sealed sampling device for shale gas investigation - Google Patents
A sealed sampling device for shale gas investigation Download PDFInfo
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- CN215726964U CN215726964U CN202122235683.7U CN202122235683U CN215726964U CN 215726964 U CN215726964 U CN 215726964U CN 202122235683 U CN202122235683 U CN 202122235683U CN 215726964 U CN215726964 U CN 215726964U
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- sampling tube
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- 238000005070 sampling Methods 0.000 title claims abstract description 115
- 238000011835 investigation Methods 0.000 title description 7
- 239000002689 soil Substances 0.000 claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a sealed sampling device for shale gas exploration, which relates to the field of shale gas exploration and comprises: a sampling tube for penetrating into the soil; the pressing block is positioned at the top end of the sampling tube. According to the utility model, the sampling tube penetrates into soil to be detected by the aid of the sampling mechanism, downward pressure is applied to the pressing block at the moment, the pressing block moves to drive the connecting rod to move and apply pressure to the first spring, the connecting rod drives the first hinge to move downwards at the moment, the connecting rod applies downward force to the second hinge while moving along with the first hinge, the second hinge moves along the chute in the sampling tube under the action of the limiting block, the limiting block moves to drive the sampling rod to move, the sampling rod penetrates through the sampling tube into the soil, the sampling rod returns to the original position under the action of the first spring, and the soil is brought into the sampling tube under the action of the barb on the inner side of the sampling rod, so that the purpose of collecting different layers of soil is achieved.
Description
Technical Field
The utility model relates to the field of shale gas exploration, in particular to a sealing sampling device for shale gas exploration.
Background
Unconventional natural gas, in which rock gas exists in reservoir rock systems mainly based on shale rich in organic substances, is biochemical-forming gas, thermal-forming gas or a mixture of the biochemical-forming gas and the thermal-forming gas, which are continuously generated, can exist in a free state in natural cracks and pores, exist in an adsorbed state on surfaces of kerogen and clay particles, and is stored in a dissolved state in kerogen and asphaltene in a very small amount.
When the existing shale gas is collected, a soil sample of exploration equipment needs to be used for collecting and sampling, the existing sampling mode is that a sampler is directly inserted into soil, the soil is crowded together, so that the soil layering is not obvious, and the efficiency is low, so that the utility model provides the sealing sampling device for shale gas exploration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing sampling device for shale gas exploration, which solves the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a sealed sampling device for shale gas exploration, comprising:
a sampling tube for penetrating into the soil;
the pressing block is positioned at the top end of the sampling tube;
the connecting rod is positioned in the sampling tube and is fixedly connected with the top end of the pressing block;
the placing layer is positioned on the outer wall of the connecting rod and used for containing the collected soil;
the sampling mechanism is positioned on the outer wall of the connecting rod and penetrates to the outside of the sampling tube for collecting soil;
and the connecting mechanism is positioned on the outer wall of the sampling tube and positioned inside the placing layer.
As a still further scheme of the utility model: the sampling mechanism is including first spring, first hinge, first spring is located the bottom of pressing the briquetting and is located the outer wall of connecting rod, first hinge is located the outer wall of connecting rod, the inboard of first hinge is rotated and is connected with the connecting rod, the one end of connecting rod is rotated and is connected with the second hinge, the outer wall of second hinge is provided with the stopper that meets the department with the sampling tube inner wall, the one end fixedly connected with sampling rod of second hinge.
As a still further scheme of the utility model: the connecting mechanism is including being located the baffle of placing the layer inner wall and running through to the sampling tube inner wall, the outer wall of baffle is provided with the press rod that runs through to the baffle is inside, the top of press rod is provided with first telescopic link, the outer wall of first telescopic link is provided with the second spring, the one end of first telescopic link is connected with the fixture block that runs through the baffle to placing the layer inner wall, the one end of press rod is connected with the second telescopic link, the outer wall of second telescopic link is provided with the third spring.
As a still further scheme of the utility model: the inner wall of the pressing rod is provided with a sliding groove matched with the moving track of the second telescopic rod, and the inside of the baffle is provided with a sliding groove matched with the moving track of the pressing rod.
As a still further scheme of the utility model: the inner wall of the placing layer is provided with a clamping groove matched with the outer wall of the clamping block, and the outer wall of the clamping block is in an inclined plane state.
As a still further scheme of the utility model: the inner wall of the sampling tube is provided with a sliding chute matched with the moving track of the second hinge, and the outer wall of the sliding chute is in an inclined plane state.
As a still further scheme of the utility model: the transversal "J" style of calligraphy state of personally submitting of thief rod, the quantity of thief rod is provided with a plurality ofly to the connecting rod is the inside of symmetry axisymmetric distribution at the sampling tube, the outer wall of sampling tube be provided with thief rod movement track assorted recess.
Compared with the prior art, the utility model has the beneficial effects that:
1. by arranging the sampling mechanism, the sampling tube penetrates into soil to be detected, downward pressure is applied to the pressing block at the moment, the pressing block moves to drive the connecting rod to move and apply first spring pressure, the connecting rod drives the first hinge to move downwards at the moment, the connecting rod applies downward force to the second hinge along with the movement of the first hinge, the second hinge moves along the chute in the sampling tube under the action of the limiting block at the moment, the limiting block moves to drive the sampling rod to move, the sampling rod penetrates through the sampling tube into the soil, when the pressure of the pressing block is not applied any more, the sampling rod returns to the original position under the action of the first spring, meanwhile, the soil is brought into the sampling tube under the action of the barb on the inner side of the sampling rod, and the purpose of collecting different layers of soil is achieved;
2. through setting up coupling mechanism, through giving the inside thrust of pressing the depression bar, press the depression bar removal and will drive first telescopic link, the fixture block removes, and give second spring, third spring pressure, the fixture block will get into the inside of baffle under the effect on inclined plane this moment, break away from the inner wall draw-in groove of placing the layer, can give the outside power of baffle this moment and make the baffle break away from the sampling tube to take out the soil of gathering, reached the purpose of taking out the soil of gathering fast.
Drawings
FIG. 1 is a schematic structural diagram of a sealed sampling device for shale gas exploration;
FIG. 2 is an enlarged partial view of a portion at A of a sealed sampling device for shale gas exploration;
FIG. 3 is a schematic structural diagram of a connection mechanism of a sealed sampling device for shale gas exploration;
fig. 4 is a close-up view of a sealed sampling device for shale gas exploration at point B.
In the figure: 1. a sampling tube; 2. a pressing block; 3. a connecting rod; 4. placing the layer; 5. a sampling mechanism; 501. a first spring; 502. a first hinge; 503. a connecting rod; 504. a second hinge; 505. a limiting block; 506. a sampling rod; 6. a connecting mechanism; 601. a baffle plate; 602. a pressing lever; 603. a first telescopic rod; 604. a second spring; 605. a clamping block; 606. a second telescopic rod; 607. and a third spring.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a sealed sampling device for shale gas exploration includes:
a sampling tube 1 for penetrating into the soil;
the pressing block 2 is positioned at the top end of the sampling tube 1;
the connecting rod 3 is positioned in the sampling tube 1 and is fixedly connected with the top end of the pressing block 2;
the placing layer 4 is positioned on the outer wall of the connecting rod 3 and used for containing collected soil;
the sampling mechanism 5 is positioned on the outer wall of the connecting rod 3, penetrates through the sampling tube 1 and is used for collecting soil;
and the connecting mechanism 6 is positioned on the outer wall of the sampling tube 1 and positioned inside the placing layer 4.
This kind of a sealed sampling device for shale gas investigation, the efficiency of the multiplicable soil investigation through this structure.
In FIGS. 1-2: sampling mechanism 5 is including first spring 501, first hinge 502, first spring 501 is located the bottom of pressing the piece 2 and is located the outer wall of connecting rod 3, first hinge 502 is located the outer wall of connecting rod 3, the inboard rotation of first hinge 502 is connected with connecting rod 503, the one end rotation of connecting rod 503 is connected with second hinge 504, the outer wall of second hinge 504 is provided with the stopper 505 that meets the department with sampling tube 1 inner wall, the one end fixedly connected with sampling rod 506 of second hinge 504.
This kind of a sealed sampling device for shale gas investigation can gather the soil on different layers through this structure, is convenient for sample.
In fig. 3-4: coupling mechanism 6 is including being located the baffle 601 of placing layer 4 inner wall and running through to sampling tube 1 inner wall, the outer wall of baffle 601 is provided with and runs through to the inside press of baffle 601 pole 602, the top of pressing the pole 602 is provided with first telescopic link 603, the outer wall of first telescopic link 603 is provided with second spring 604, the one end of first telescopic link 603 is connected with and runs through baffle 601 to the fixture block 605 of placing layer 4 inner wall, the one end of pressing the pole 602 is connected with second telescopic link 606, the outer wall of second telescopic link 606 is provided with third spring 607.
This kind of a sealed sampling device for shale gas investigation can be convenient for take out through this structure and gather the soil of accomplishing.
In fig. 4: the inner wall of the pressing rod 602 is provided with a sliding groove matched with the moving track of the second telescopic rod 606, the inner part of the baffle 601 is provided with a sliding groove matched with the moving track of the pressing rod 602, the inner wall of the placing layer 4 is provided with a clamping groove matched with the outer wall of the fixture block 605, and the outer wall of the fixture block 605 is in an inclined plane state.
This kind of a sealed sampling device for shale gas investigation, can give the inside thrust of pressure arm 602 through this structure, pressure arm 602 removes and will drive first telescopic link 603, fixture block 605 removes, and give second spring 604, third spring 607 pressure, fixture block 605 will get into the inside of baffle 601 under the effect on inclined plane this moment, break away from the inner wall draw-in groove of placing layer 4, can give the outside power messenger baffle 601 of baffle 601 this moment and break away from sampling tube 1, thereby take out the soil of gathering, the purpose of taking out the soil of gathering fast has been reached.
In fig. 2: the inner wall of the sampling tube 1 is provided with a sliding chute matched with the moving track of the second hinge 504, the outer wall of the sliding chute is in an inclined plane state, the cross section of the sampling rod 506 is in a J-shaped state, the sampling rods 506 are arranged in a plurality, the sampling rods are symmetrically distributed in the sampling tube 1 by taking the connecting rod 3 as a symmetry axis, and the outer wall of the sampling tube 1 is provided with a groove matched with the moving track of the sampling rod 506.
The sealed sampling device for shale gas exploration can penetrate a sampling tube 1 into soil to be detected through the structure, downward pressure is applied to a pressing block 2 at the moment, the pressing block 2 moves to drive a connecting rod 3 to move and apply pressure to a first spring 501, at the moment, the connecting rod 3 drives a first hinge 502 to move downwards, the connecting rod 503 will move along with the first hinge 502 and simultaneously give a downward force to the second hinge 504, at this time, the second hinge 504 will move along the chute inside the sampling tube 1 under the action of the limiting block 505, the limiting block 505 will move to drive the sampling rod 506 to move, so that the sampling rod 506 penetrates through the sampling tube 1 to the soil, when pressure is no longer applied to the pressing block 2, the sampling rod 506 will return to its original position by the first spring 501, meanwhile, the soil is brought into the sampling tube 1 under the action of the barb on the inner side of the sampling rod 506, and the purpose of collecting different layers of soil is achieved.
The working principle of the utility model is as follows: when the device is used, the sampling tube 1 penetrates into soil to be detected, downward pressure is applied to the pressing block 2 at the moment, the pressing block 2 moves to drive the connecting rod 3 to move and apply pressure to the first spring 501, the connecting rod 3 drives the first hinge 502 to move downwards at the moment, the connecting rod 503 applies downward force to the second hinge 504 while moving along with the first hinge 502, the second hinge 504 moves along the chute in the sampling tube 1 under the action of the limiting block 505, the limiting block 505 moves to drive the sampling rod 506 to move, so that the sampling rod 506 penetrates through the sampling tube 1 to the soil, when the pressure is not applied to the pressing block 2 any more, the sampling rod 506 returns to the original position under the action of the first spring 501, and simultaneously the soil is brought into the sampling tube 1 under the action of the barb on the inner side of the sampling rod 506, so as to achieve the purpose of collecting different layers of soil, when the soil of collection is taken out to needs, through giving the inside thrust of pressing the depression bar 602, press the depression bar 602 to remove and will drive first telescopic link 603, fixture block 605 and remove, and give second spring 604, third spring 607 pressure, fixture block 605 will get into the inside of baffle 601 under the effect on inclined plane this moment, break away from the inner wall draw-in groove of placing layer 4, can give the outside power messenger baffle 601 of baffle 601 this moment and break away from sampling tube 1, thereby take out the soil of collection, reached the purpose of taking out the soil of gathering fast.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. A sealed sampling device for shale gas exploration, comprising:
a sampling tube (1) for penetrating into the soil;
the pressing block (2) is positioned at the top end of the sampling tube (1);
the connecting rod (3) is positioned in the sampling tube (1) and is fixedly connected with the top end of the pressing block (2);
the placing layer (4) is positioned on the outer wall of the connecting rod (3) and is used for containing collected soil;
the sampling mechanism (5) is positioned on the outer wall of the connecting rod (3), penetrates through the sampling tube (1) and is used for collecting soil;
and the connecting mechanism (6) is positioned on the outer wall of the sampling tube (1) and positioned inside the placing layer (4).
2. The sealed sampling device for shale gas exploration according to claim 1, wherein the sampling mechanism (5) comprises a first spring (501) and a first hinge (502), the first spring (501) is located at the bottom end of the pressing block (2) and located on the outer wall of the connecting rod (3), the first hinge (502) is located on the outer wall of the connecting rod (3), a connecting rod (503) is rotatably connected to the inner side of the first hinge (502), a second hinge (504) is rotatably connected to one end of the connecting rod (503), a limiting block (505) connected with the inner wall of the sampling tube (1) is arranged on the outer wall of the second hinge (504), and a sampling rod (506) is fixedly connected to one end of the second hinge (504).
3. The sealed sampling device for shale gas exploration according to claim 1, wherein the connecting mechanism (6) comprises a baffle (601) which is located on the inner wall of the placing layer (4) and penetrates through the inner wall of the sampling tube (1), the outer wall of the baffle (601) is provided with a pressing rod (602) which penetrates through the baffle (601), the top end of the pressing rod (602) is provided with a first telescopic rod (603), the outer wall of the first telescopic rod (603) is provided with a second spring (604), one end of the first telescopic rod (603) is connected with a clamping block (605) which penetrates through the baffle (601) to the inner wall of the placing layer (4), one end of the pressing rod (602) is connected with a second telescopic rod (606), and the outer wall of the second telescopic rod (606) is provided with a third spring (607).
4. The sealed sampling device for shale gas exploration according to claim 3, wherein a sliding groove matched with the moving track of the second telescopic rod (606) is formed in the inner wall of the pressing rod (602), and a sliding groove matched with the moving track of the pressing rod (602) is formed in the baffle plate (601).
5. The sealed sampling device for shale gas exploration according to claim 3, wherein a clamping groove matched with the outer wall of the fixture block (605) is formed in the inner wall of the placing layer (4), and the outer wall of the fixture block (605) is in an inclined surface state.
6. The sealed sampling device for shale gas exploration according to claim 2, wherein the inner wall of sampling tube (1) is provided with a chute matched with the moving track of second hinge (504), and the outer wall of chute is in a slope state.
7. The sealed sampling device for shale gas exploration according to claim 2, wherein the cross section of the sampling rod (506) is in a J-shaped state, a plurality of sampling rods (506) are arranged, the sampling rods are symmetrically distributed in the sampling tube (1) by taking the connecting rod (3) as a symmetry axis, and a groove matched with the moving track of the sampling rod (506) is formed in the outer wall of the sampling tube (1).
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CN202122235683.7U CN215726964U (en) | 2021-09-15 | 2021-09-15 | A sealed sampling device for shale gas investigation |
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CN202122235683.7U CN215726964U (en) | 2021-09-15 | 2021-09-15 | A sealed sampling device for shale gas investigation |
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CN202122235683.7U Expired - Fee Related CN215726964U (en) | 2021-09-15 | 2021-09-15 | A sealed sampling device for shale gas investigation |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114778177A (en) * | 2022-04-19 | 2022-07-22 | 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) | Rock core sampling device for geological prospecting |
CN116793752A (en) * | 2023-08-24 | 2023-09-22 | 潍坊信博理化检测有限公司 | Composting manure mixing and sampling device |
-
2021
- 2021-09-15 CN CN202122235683.7U patent/CN215726964U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114778177A (en) * | 2022-04-19 | 2022-07-22 | 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) | Rock core sampling device for geological prospecting |
CN116793752A (en) * | 2023-08-24 | 2023-09-22 | 潍坊信博理化检测有限公司 | Composting manure mixing and sampling device |
CN116793752B (en) * | 2023-08-24 | 2023-11-21 | 潍坊信博理化检测有限公司 | Composting manure mixing and sampling device |
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Granted publication date: 20220201 |