CN217155911U - A novel sampling device for natural gas exploration - Google Patents
A novel sampling device for natural gas exploration Download PDFInfo
- Publication number
- CN217155911U CN217155911U CN202220260776.7U CN202220260776U CN217155911U CN 217155911 U CN217155911 U CN 217155911U CN 202220260776 U CN202220260776 U CN 202220260776U CN 217155911 U CN217155911 U CN 217155911U
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- Prior art keywords
- sampling
- sealing plate
- groove
- outer cylinder
- rod
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- 238000005070 sampling Methods 0.000 title claims abstract description 100
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003345 natural gas Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to a novel sampling device for natural gas exploration, which comprises a sampling outer cylinder, wherein the bottom of the sampling outer cylinder is provided with a sampling cutter set; the sampling inner cylinder is arranged in the sampling outer cylinder, and the sampling inner top is connected with the sampling outer cylinder inner top through a driving module; two sets of seal assembly, the inner wall of sample urceolus is located to the symmetry, seal assembly includes: the grooves are symmetrically formed in the inner wall of the sampling outer cylinder; the folding rod is arranged in the groove, and the folding point of the folding rod is rotationally connected with the inner wall of the groove through a pin shaft; the sealing plate is arranged at the notch of the groove, the length of the sealing plate is smaller than the height of the notch, and the length of the sealing plate is one half of the inner diameter of the sampling inner cylinder; one end of the L-shaped support rod is connected with the sealing plate, and the other end of the L-shaped support rod is fixedly connected with the head end of the folding rod; and one end of the connecting spring is connected with the tail end of the folding rod in a sliding manner, and the other end of the connecting spring is fixedly connected with the bottom of the groove. The utility model discloses guarantee that sample soil can not contact outside air or lead to sample validity to reduce because of its atmospheric pressure difference.
Description
Technical Field
The utility model relates to a novel sampling device technical field for natural gas exploration especially relates to a novel sampling device for natural gas exploration.
Background
Need explore in order to know its nature to the geology at natural gas development in-process, thereby judge whether there is the natural gas underground, for making more understanding basic unit nature, will get former state soil in deeper department sometimes, the in-process of fetching earth needs to use the geotome, current geotome is mainly by the geotome casing that the bottom set up for the opening and the movable rod of setting in the geotome casing, and the bottom fixed mounting of movable rod has the push pedal, it draws the geotome to be about to get after the required degree of depth in the soil to dig the geotome casing, can obtain the original state soil sample, promote the movable rod again, the movable rod drives the push pedal and takes out the original state soil sample from the geotome casing.
However, the existing soil sampler is inconvenient to plug the collected original state soil, when the soil sampler shell is pulled out, the original state soil is easy to leak from the soil sampler shell, so that the collection efficiency is low, and the use requirements of personnel cannot be met, so that the geological exploration sampling device for natural gas development is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the disadvantages of the prior art, the main object of the present invention is to provide a natural gas development geological exploration sampling device which can directly seal the sampling product; in order to achieve the purpose, the utility model adopts the following technical proposal.
A novel sampling device for natural gas exploration, comprising:
the sampling outer cylinder is provided with a sampling cutter set at the bottom;
the sampling inner cylinder is arranged in the sampling outer cylinder, and the top of the sampling inner cylinder is connected with the inner top of the sampling outer cylinder through a driving module;
the two groups of sealing components are symmetrically arranged on the inner wall of the sampling outer barrel and comprise;
the grooves are symmetrically formed in the inner wall of the sampling outer cylinder;
the folding rod is arranged in the groove, and the folding point of the folding rod is rotationally connected with the inner wall of the groove through a pin shaft;
the sealing plate is arranged at the notch of the groove, and the length of the sealing plate is smaller than the height of the notch;
one end of the L-shaped support rod is detachably connected with the sealing plate, and the other end of the L-shaped support rod is fixedly connected with the lower end of the folding rod;
and one end of the connecting spring is connected with the tail end of the folding rod in a sliding manner, and the other end of the connecting spring is fixedly connected with the bottom of the groove.
Further, the driving module includes:
the through hole is formed in the top of the sampling outer cylinder;
the threaded sleeve is positioned in the through hole and is fixedly connected with the through hole;
the threaded rod extends into the threaded sleeve through a thread on the threaded sleeve, and the lower end of the threaded rod is abutted against the top of the sampling inner cylinder;
and the handle is connected with the upper end of the threaded rod.
Furthermore, a plurality of first fixing holes are formed in the lower end face of the sampling inner cylinder, a plurality of second fixing holes are formed in the sealing plate, and when the lower end face of the sampling inner cylinder is abutted to the sealing plate, the first fixing holes are opposite to the second fixing holes in position and are matched with the second fixing holes through external bolts.
Further, a fixing groove is formed in the top of the sampling inner cylinder and is rotatably connected with the lower end of the threaded rod.
Further, the length of the short side of the L-shaped supporting rod is the same as the distance from the highest point of the sealing plate to the highest point of the notch of the groove.
Furthermore, the L-shaped supporting rod is detachably connected with the sealing plate through a screw.
The technical effects of the utility model reside in that:
compared with the prior art, the utility model provides a sample inner tube is used for containing sample soil, accomplishes sealedly through contradicting the closing plate in sample inner tube bottom to the sample inner tube that is equipped with the sample, guarantees that sample soil can not contact outside air or lead to sample validity to reduce because of its atmospheric pressure difference.
Drawings
Fig. 1 is a schematic view of the front view cross-section structure of the utility model in the non-sampling state.
Fig. 2 is a schematic view of the main sectional structure of the sampling device of the present invention.
Fig. 3 is a schematic diagram of the main-view section of the sampling state according to the present invention.
Fig. 4 is a schematic sectional structure diagram of the sampling inner barrel of the present invention.
Fig. 5 is a schematic sectional view of the sealing state of the sampling inner cylinder of the present invention.
Fig. 6 is a schematic view of the cross-sectional structure of the sampling outer tube of the present invention.
Fig. 7 is a side view sectional structure of the sampling outer cylinder of the present invention.
Fig. 8 is a schematic structural view of the L-shaped strut of the present invention.
Fig. 9 is a schematic structural view of the middle folding rod of the present invention.
Reference numerals: 1. an outer sampling cylinder; 1-1, L support bar; 1-2, folding a rod; 1-3, connecting a spring; 1-4, screws; 2. sampling an inner cylinder; 2-1, sealing plates; 3. a sampling cutter set; 4. a drive module; 4-1, thread bush; 4-2, a threaded rod; 5. a handle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Example (b):
referring to fig. 1-9, a novel sampling device for natural gas exploration comprises a sampling outer cylinder 1, wherein a sampling knife set 3 is arranged at the bottom of the sampling outer cylinder 1; the sampling inner cylinder 2 is arranged in the sampling outer cylinder 1, and the top of the sampling inner cylinder 2 is connected with the top of the sampling outer cylinder 1 through a driving module 4; the two groups of sealing components are symmetrically arranged on the inner wall of the sampling outer barrel 1 and comprise; the grooves are symmetrically formed in the inner wall of the sampling outer barrel 1; the folding rod 1-2 is arranged in the groove, and the folding point of the folding rod 1-2 is rotationally connected with the inner wall of the groove through a pin shaft; the sealing plate 2-1 is arranged at the notch of the groove, the length of the sealing plate 2-1 is smaller than the height of the notch, and the length of the sealing plate 2-1 is one half of the inner diameter of the sampling inner cylinder 2; one end of the L supporting rod 1-1 is connected with the sealing plate 2-1 through a screw 1-4, the L supporting rod 1-1 and the sealing plate 2-1 are detachably connected, and the other end of the L supporting rod 1-1 is fixedly connected with the head end of the folding rod 1-2; one end of the connecting spring 1-3 is connected with the tail end of the folding rod 1-2 in a sliding way, and the other end of the connecting spring is fixedly connected with the bottom of the groove; when one end of the folding rod 1-2 close to the bottom of the groove is at a low point, the connecting spring 1-3 is in a reset state.
Further, the driving module 4 comprises a through hole which is arranged at the top of the sampling outer cylinder 1; the threaded sleeve 4-1 is positioned in the through hole and is fixedly connected with the through hole; the threaded rod 4-2 extends into the threaded sleeve 4-1 through threads on the threaded sleeve 4-1, and the lower end of the threaded rod 4-2 is abutted against the top of the sampling inner cylinder 2; and the handle 5 is connected with the upper end of the threaded rod 4-2.
Furthermore, a first fixing hole is formed in the lower end face of the sampling inner cylinder 2, a second fixing hole is formed in the sealing plate 2-1, and when the lower end face of the sampling inner cylinder 2 abuts against the sealing plate 2-1, the first fixing hole is opposite to the second fixing hole in position and is matched with the second fixing hole through an external bolt.
Furthermore, a fixing groove is formed in the top of the sampling inner cylinder 2 and is rotatably connected with the lower end of the threaded rod 4-2.
Further, the length of the short side of the L-shaped support rod 1-1 is the same as the distance from the highest point of the sealing plate 2-1 to the highest point of the notch of the groove.
The utility model relates to a novel sampling device's basic operating principle for natural gas exploration: the sampling inner cylinder 2 is used for containing sampling soil; before sampling, a sealing plate 2-1 is fixedly connected with the end part of an L-shaped supporting rod through a screw 1-4, a sampling inner cylinder 2 is completely positioned in a sampling outer cylinder 1, the lower end face of the sampling inner cylinder 2 is higher than that of the sampling outer cylinder 1, and the outer wall of the sampling inner cylinder 2 is abutted against the sealing plate 2-1; at the moment, the connecting end of the L-shaped support rod 1-1 and the head end of the folding rod 1-2 is at a high point, and the connecting spring 1-3 is in a stretching state;
after sampling is finished, the driving module 4 controls the sampling inner cylinder 2 to slide upwards along the inner wall of the sampling outer cylinder 1, the lower end surface of the sampling inner cylinder 2 is higher than the notch of the groove, the sealing plate 2-1 does not abut against the outer wall of the sampling inner cylinder 2, the connecting spring 1-3 in a stretching state starts to reset, the folding rod is driven to rotate towards the bottom of the groove around the folding point, the L-shaped support rod 1-1 is driven to rotate, the connecting end of the L-shaped support rod 1-1 connected with the head end of the folding rod 1-2 rotates downwards, the connecting end of the L-shaped support rod 1-1 connected with the sealing plate 2-1 rotates upwards, the sealing plate 2-1 is driven to rotate upwards until the sealing plate 2-1 and the lower end surface of the sampling inner cylinder 2, and then a first fixing hole on the lower end surface of the sampling inner cylinder 2 is fixed with a second fixing hole on the sealing plate 2-1 through an external bolt, and then the sampling inner cylinder 2 filled with sampling soil is sealed, meanwhile, the screws 1-4 are loosened, so that the end part of the L-shaped support rod 1-1 is not connected with the sealing plate 2-1, then the whole sampling inner cylinder 2 is directly pushed out from the sampling outer cylinder 1 by using the driving module 4 to replace the new sampling inner cylinder 2, and the sampling inner cylinder 2 which is taken out and is sealed with a sample is placed into a sample storage box.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above embodiments are merely examples of the present invention, and do not limit the protection scope of the present invention, and all designs the same as or similar to the present invention belong to the protection scope of the present invention.
Claims (6)
1. A novel sampling device for natural gas exploration, comprising:
the sampling device comprises a sampling outer cylinder (1), wherein a sampling cutter set (3) is arranged at the bottom of the sampling outer cylinder (1);
the sampling inner cylinder (2) is arranged in the sampling outer cylinder (1), and the top of the sampling inner cylinder (2) is connected with the inner top of the sampling outer cylinder (1) through a driving module (4);
the two groups of sealing components are symmetrically arranged on the inner wall of the sampling outer barrel (1), and each sealing component comprises a sealing ring;
the grooves are symmetrically formed in the inner wall of the sampling outer cylinder (1);
the folding rod (1-2) is arranged in the groove, and the folding point of the folding rod (1-2) is rotationally connected with the inner wall of the groove through a pin shaft;
the sealing plate (2-1) is arranged at the notch of the groove, and the length of the sealing plate (2-1) is smaller than the height of the notch;
one end of the L-shaped support rod (1-1) is connected with the sealing plate (2-1), and the other end of the L-shaped support rod is fixedly connected with the head end of the folding rod (1-2);
one end of the connecting spring (1-3) is connected with the tail end of the folding rod (1-2) in a sliding way, and the other end of the connecting spring is fixedly connected with the bottom of the groove.
2. The new sampling device for natural gas exploration, according to claim 1, characterized in that said driving module (4) comprises:
the through hole is formed in the top of the sampling outer cylinder (1);
the threaded sleeve (4-1) is positioned in the through hole and is fixedly connected with the through hole;
the threaded rod (4-2) extends into the threaded sleeve (4-1) through threads on the threaded sleeve (4-1), and the lower end of the threaded rod (4-2) is abutted against the top of the sampling inner cylinder (2);
the handle (5) is connected with the upper end of the threaded rod (4-2).
3. The novel sampling device for natural gas exploration according to claim 2, wherein a first fixing hole is formed in the lower end face of the sampling inner cylinder (2), a second fixing hole is formed in the sealing plate (2-1), and when the lower end face of the sampling inner cylinder (2) abuts against the sealing plate (2-1), the first fixing hole and the second fixing hole are opposite in position and are matched through an external bolt.
4. The novel sampling device for natural gas exploration according to claim 3, characterized in that a fixing groove is formed at the top of the sampling inner cylinder (2), and the fixing groove is rotatably connected with the lower end of the threaded rod (4-2).
5. The new sampling device for natural gas exploration, according to claim 4, characterized in that the length of the short side of said L-strut (1-1) is the same as the distance of the highest point of the sealing plate (2-1) from the highest point of the notch of the groove.
6. The novel sampling device for natural gas exploration according to claim 5, characterized in that the end of said L-shaped support rod (1-1) is detachably connected with the sealing plate (2-1) through screws (1-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260776.7U CN217155911U (en) | 2022-02-09 | 2022-02-09 | A novel sampling device for natural gas exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220260776.7U CN217155911U (en) | 2022-02-09 | 2022-02-09 | A novel sampling device for natural gas exploration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217155911U true CN217155911U (en) | 2022-08-09 |
Family
ID=82691261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220260776.7U Expired - Fee Related CN217155911U (en) | 2022-02-09 | 2022-02-09 | A novel sampling device for natural gas exploration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217155911U (en) |
-
2022
- 2022-02-09 CN CN202220260776.7U patent/CN217155911U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |