CN218212029U - Coal mine underground coal seam airtight sampling tool - Google Patents
Coal mine underground coal seam airtight sampling tool Download PDFInfo
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- CN218212029U CN218212029U CN202222172739.3U CN202222172739U CN218212029U CN 218212029 U CN218212029 U CN 218212029U CN 202222172739 U CN202222172739 U CN 202222172739U CN 218212029 U CN218212029 U CN 218212029U
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- sampling
- sampling tube
- baffle
- coal seam
- coal
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- 238000005070 sampling Methods 0.000 title claims abstract description 134
- 239000003245 coal Substances 0.000 title claims abstract description 83
- 238000007789 sealing Methods 0.000 claims description 10
- 230000006855 networking Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 9
- 238000005553 drilling Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a colliery is airtight sampling tool in coal seam in pit relates to colliery coal seam in pit sample technical field, including the sampling tube, the both ends of sampling tube integrated into one piece respectively have connector and adapter sleeve, and the sampling tube has a plurality ofly through connector and adapter sleeve threaded connection, and connector threaded connection on the sampling tube that is located the top has the drilling rod, and adapter sleeve threaded connection on the sampling tube that is located the bottom has the drill bit, and the sampling tube is connected with and is used for carrying out the airtight sampling subassembly of sample to the colliery coal seam in pit. Through utilizing can carry out gliding baffle from top to bottom in airtight sampling subassembly in the thief hole to realize opening and shutting and closing the thief hole to this realizes carrying out inclosed effect to the sample space, utilizes the both ends of sampling tube integrated into one piece's connector and adapter sleeve respectively simultaneously, can be once drilling down the in-process and install a plurality of sampling tubes simultaneously, reaches once and drills down and can carry out the purpose of airtight sample to the coal seam of a plurality of different depths.
Description
Technical Field
The utility model relates to a colliery is coal seam sampling technical field in the pit specifically is a colliery is airtight sampling tool in coal seam in the pit.
Background
Coal seam sampling refers to taking a small representative portion of a sample from a coal seam for analysis, testing and identification according to certain specifications and requirements. The coal bed sampling aims to determine the coal type, the coal quality characteristics, the change rule and the coal technological performance of the coal bed capable of being mined in a mining area or a well field through data obtained by chemical examination and physical tests of a coal sample so as to correctly evaluate the coal quality, determine the processing technical characteristics and the industrial utilization direction of the coal and provide reliable coal quality data for development and reasonable utilization of coal resources.
Most of the existing sampling devices for underground coal seams of coal mines complete coring and sealing operations by using complex double-layer or multi-layer sleeve mechanical structures, take out the underground coal seam rock cores of the coal mines by using the multi-layer sleeve mechanical structures, and then detect the underground coal seam rock cores.
Although the existing sampling tool for the underground coal seam of the coal mine can also utilize a multi-layer sleeve mechanical structure to take out a coal seam rock core, most of the existing sampling tools for the underground coal seam of the coal mine can only carry out closed sampling on the coal seam with one depth once, and the purpose of sampling coal seams with different depths in the process of once drilling cannot be met.
To the problem, the utility model provides a colliery is airtight sampling tool in coal seam in pit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery is airtight sampling tool in coal seam in pit, set up airtight sampling subassembly, can carry out opening and shutting and closing of gliding baffle from top to bottom in the thief hole through utilizing among the airtight sampling subassembly, with this realize carrying out inclosed effect to the sample space, the both ends of utilizing the thief tube simultaneously are integrated into one piece's connector and adapter sleeve respectively, can be once installing a plurality of thief tubes down in-process simultaneously, reach and once bore the purpose that can carry out airtight sample to the coal seam of a plurality of different degree of depth, thereby the problem among the background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a coal mine underground coal seam closed sampling tool comprises a sampling tube, wherein two ends of the sampling tube are respectively and integrally formed with a connector with an external thread arranged on the outer wall and a connecting sleeve with an internal thread arranged on the inner wall, the sampling tube is connected with a plurality of sampling tubes through the connector and the connecting sleeve threads, the connector on the sampling tube at the top is connected with a drill rod through the connecting sleeve threads, the connecting sleeve on the sampling tube at the bottom is connected with a drill bit through the connecting sleeve threads, and the sampling tube is connected with a closed sampling assembly for sampling a coal mine underground coal seam;
airtight sampling subassembly includes the thief hole, and the thief hole is seted up on the surface of sampling tube, and sliding connection has the baffle the same with the thief hole size in the thief hole, and the baffle passes through drive assembly and slides in the vertical direction in the thief hole, and drive assembly includes the electric push rod with baffle fixed connection.
Furtherly, drive assembly is still including seting up the mounting groove on the sampling tube, and the stiff end fixed connection of electricity push rod is at the top of mounting groove, and the output fixed connection of electricity push rod is at the upper surface of baffle, and fixedly connected with is used for controlling electric push rod and drives the baffle gliding intelligent thing networking controller from top to bottom in the thief hole on the baffle, electric connection between intelligent thing networking controller and the electric push rod.
Furthermore, a sliding groove used for limiting the sliding direction of the baffle is formed in the sampling hole, and two side edges of the baffle are connected with the inner wall of the sliding groove in a sliding mode.
Further, the bottom fixedly connected with of baffle is arranged in being used for holding sample coal article in the sampling tube and carries out inclosed sealed pad.
Further, the inside of sampling tube is hollow structure setting, and the open end threaded connection of sampling tube has and is used for carrying out inclosed shrouding with the sampling tube is inside.
Furthermore, the closing plate is fixedly connected with a fixing block which is convenient for taking out the closing plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides a pair of colliery is airtight sampling tool in coal seam in pit, through utilizing among the airtight sampling subassembly can carry out gliding baffle from top to bottom in the thief hole and realize opening and shutting and closing the thief hole to this realizes carrying out inclosed effect to the sample space, utilize the both ends of sampling tube respectively integrated into one piece's connector and adapter sleeve simultaneously, can be once under bore a plurality of thief tubes of in-process installation simultaneously, reach once and bore the purpose that can carry out airtight sample to the coal seam of a plurality of different degree of depth.
Drawings
FIG. 1 is a schematic view of the whole structure of the coal mine underground coal seam closed sampling tool of the present invention;
FIG. 2 is a schematic view of a partial three-dimensional structure of a coal mine underground coal seam closed sampling tool of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of a coal seam closed sampling tool in a coal mine according to the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention.
In the figure: 1. a sampling tube; 2. a drill bit; 3. a drill stem; 4. a sampling hole; 5. closing the plate; 6. a baffle plate; 7. a chute; 8. mounting grooves; 9. an electric push rod; 10. an intelligent Internet of things controller; 11. connecting sleeves; 12. a connector; 13. a gasket; 14. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to solve the technical problem of how to perform closed sampling on coal beds with different depths in one-time drilling process of the coal bed in a coal mine, as shown in fig. 1 to 4, the following preferable technical scheme is provided:
a coal mine underground coal seam closed sampling tool comprises a sampling tube 1, wherein two ends of the sampling tube 1 are respectively and integrally formed with a connector 12 with an external thread arranged on the outer wall and a connecting sleeve 11 with an internal thread arranged on the inner wall, the sampling tube 1 is in threaded connection with a plurality of connectors 12 and the connecting sleeve 11, the connector 12 on the sampling tube 1 positioned at the top is in threaded connection with a drill rod 3, the connecting sleeve 11 on the sampling tube 1 positioned at the bottom is in threaded connection with a drill bit 2, and the sampling tube 1 is connected with a closed sampling assembly for sampling a coal mine underground coal seam;
airtight sampling subassembly includes thief hole 4, and thief hole 4 is seted up on the surface of sampling tube 1, and sliding connection has the baffle 6 the same with thief hole 4 size in thief hole 4, and baffle 6 slides in the vertical direction in thief hole 4 through drive assembly, and drive assembly includes the electric push rod 9 with 6 fixed connection of baffle. When the sampling device is used, the sampling tubes 1 located at the top are integrally connected with the connecting head 12 and the drill rod 3, the drill rod is used for drilling and sampling coal seams in a coal mine, the sampling tubes 1 located at the bottom are integrally connected with the connecting sleeve 11 and the drill bit 2, the drill rod 3 is used for driving the sampling tubes 1 and the drill bit 2 to vertically drill and dig downwards, when the drill bit 2 drills to the depth of the coal seams to be sampled downwards, the external control terminal of the intelligent internet of things controller 10 is used for sending a control instruction to the signal receiving end of the intelligent internet of things controller 10, the intelligent internet of things controller 10 can control the output end of the electric push rod 9 to vertically upwards drive the baffle 6 to slide in the sliding groove 7, then the open sampling holes 4 are used for sampling the coal seams at the depth, after sampling is completed, the external control terminal sends the control instruction to the signal receiving end of the intelligent internet of the internet of things controller 10 again, then the intelligent sampling controller 10 controls the output end of the electric push rod 9 to drive the baffle 6 to slide downwards in the sliding groove 7, the vertical sliding groove 4 on the sampling tubes 1 to slide, and then the sampling tube 1 can be matched with the sampling depth of the sampling tube to be drilled again, and the sampling tube can be repeatedly operated to be drilled to the depth to be controlled again, and the depth to be sampled again, and the sampling position to be controlled again.
Further, as shown in fig. 3-4, the following preferred technical solutions are provided:
the drive assembly is still including offering mounting groove 8 on sampling tube 1, and the stiff end fixed connection of electricity push rod 9 is at the top of mounting groove 8, and the output fixed connection of electricity push rod 9 is at the upper surface of baffle 6, and fixedly connected with is used for controlling electricity push rod 9 and drives baffle 6 gliding intelligent thing networking controller 10 from top to bottom in thief hole 4 on baffle 6, electric connection between intelligent thing networking controller 10 and the electricity push rod 9. Through the drive assembly who connects in sampling tube 1, can utilize intelligent thing networking controller 10 to control electric push rod 9, utilize electric push rod 9's operating condition to drive baffle 6 and control the switch of thief hole 4, play airtight sample space and prevent that the condition of pollution from taking place.
In order to solve the technical problem of how to prevent the baffle 6 from shifting when sliding in the chute 7, as shown in fig. 3-4, the following preferred technical solutions are provided:
a sliding groove 7 used for limiting the sliding direction of the baffle 6 is arranged in the sampling hole 4, and two side edges of the baffle 6 are in sliding connection with the inner wall of the sliding groove 7. Through the spout 7 of seting up in the thief hole 4, utilize the mode of sliding connection between the both sides limit of baffle 6 and the spout 7 inner wall, the condition that the skew appears when baffle 6 slides in spout 7 can effectually be prevented.
In order to solve the technical problem of how to further seal the sampling space, as shown in fig. 3-4, the following preferred technical solutions are provided:
the bottom of the baffle 6 is fixedly connected with a sealing gasket 13 which is used for containing and sealing the sampling coal in the sampling tube 1. The sealing gasket 13 fixedly connected with the bottom of the baffle 6 can further seal the sampling space in the sampling tube 1, and the probability of pollution of the sampling coal bed is reduced as much as possible.
In order to solve the technical problem of how to take out the sampled coal seam in the sampling pipe 1, as shown in fig. 2-3, the following preferred technical solutions are provided:
the interior of the sampling tube 1 is provided with a hollow structure, and the opening end of the sampling tube 1 is connected with a sealing plate 5 for sealing the interior of the sampling tube 1 through screw threads. The sampling coal bed in the sampling tube 1 can be taken out more conveniently through the closing plate 5 in the threaded connection of the opening end of the sampling tube 1.
Further, as shown in fig. 2-3, the following preferred technical solutions are provided:
the closing plate 5 is fixedly connected with a fixing block 14 which is convenient for taking out the closing plate 5. The fixing block 14 fixedly connected to the sealing plate 5 can more conveniently and quickly take the sealing plate 5 out of the sampling tube 1 by screwing the fixing block 14.
The working principle is as follows: when the sampling device is used, the sampling tubes 1 located at the top are integrally connected with the connecting head 12 and the drill rod 3, the drill rod is used for drilling and sampling coal seams in a coal mine, the sampling tubes 1 located at the bottom are integrally connected with the connecting sleeve 11 and the drill bit 2, the drill rod 3 is used for driving the sampling tubes 1 and the drill bit 2 to vertically drill and dig downwards, when the drill bit 2 drills to the depth of the coal seams to be sampled downwards, the external control terminal of the intelligent internet of things controller 10 is used for sending a control instruction to the signal receiving end of the intelligent internet of things controller 10, the intelligent internet of things controller 10 can control the output end of the electric push rod 9 to vertically upwards drive the baffle 6 to slide in the sliding groove 7, then the open sampling holes 4 are used for sampling the coal seams at the depth, after sampling is completed, the external control terminal sends the control instruction to the signal receiving end of the intelligent internet of the internet of things controller 10 again, then the intelligent sampling controller 10 controls the output end of the electric push rod 9 to drive the baffle 6 to slide downwards in the sliding groove 7, the vertical sliding groove 4 on the sampling tubes 1 to slide, and then the sampling tube 1 can be matched with the sampling depth of the sampling tube to be drilled again, and the sampling tube can be repeatedly operated to be drilled to the depth to be controlled again, and the depth to be sampled again, and the sampling position to be controlled again.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a colliery is airtight sampling tool in coal seam in pit, includes sampling tube (1), its characterized in that: the sampling device is characterized in that two ends of the sampling tube (1) are respectively and integrally formed with a connector (12) with an external thread arranged on the outer wall and a connecting sleeve (11) with an internal thread arranged on the inner wall, the sampling tube (1) is in threaded connection with a plurality of connectors (12) and the connecting sleeves (11), the connector (12) on the sampling tube (1) at the top is in threaded connection with a drill rod (3), the connecting sleeve (11) on the sampling tube (1) at the bottom is in threaded connection with a drill bit (2), and the sampling tube (1) is connected with a closed sampling assembly for sampling a coal bed in a coal mine;
airtight sampling subassembly includes thief hole (4), and surface at sampling tube (1) is seted up in thief hole (4), and sliding connection has baffle (6) the same with thief hole (4) size in thief hole (4), and baffle (6) slide in thief hole (4) through drive assembly in the vertical direction, and drive assembly includes electric push rod (9) with baffle (6) fixed connection.
2. The coal mine underground coal seam closed sampling tool according to claim 1, characterized in that: drive assembly is still including seting up mounting groove (8) on sampling tube (1), the fixed end fixed connection of electric push rod (9) is at the top of mounting groove (8), the upper surface of output end fixed connection at baffle (6) of electric push rod (9), fixedly connected with is used for controlling electric push rod (9) and drives gliding intelligent thing networking controller (10) from top to bottom in thief hole (4) baffle (6) on baffle (6), electric connection between intelligent thing networking controller (10) and electric push rod (9).
3. The coal mine underground coal seam closed sampling tool as claimed in claim 2, wherein: a sliding groove (7) used for limiting the sliding direction of the baffle (6) is formed in the sampling hole (4), and two side edges of the baffle (6) are connected with the inner wall of the sliding groove (7) in a sliding mode.
4. The coal mine underground coal seam closed sampling tool as claimed in claim 3, wherein: the bottom fixedly connected with of baffle (6) is arranged in being used for holding sample coal article in sampling tube (1) and carries out inclosed sealed pad (13).
5. The coal mine underground coal seam closed sampling tool according to claim 1, characterized in that: the inside of sampling tube (1) sets up for hollow structure, and the open end threaded connection of sampling tube (1) has and is used for carrying out inclosed shrouding (5) with sampling tube (1) inside.
6. The coal mine underground coal seam closed sampling tool as claimed in claim 5, wherein: the sealing plate (5) is fixedly connected with a fixing block (14) which is convenient for taking out the sealing plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222172739.3U CN218212029U (en) | 2022-08-18 | 2022-08-18 | Coal mine underground coal seam airtight sampling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222172739.3U CN218212029U (en) | 2022-08-18 | 2022-08-18 | Coal mine underground coal seam airtight sampling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218212029U true CN218212029U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222172739.3U Expired - Fee Related CN218212029U (en) | 2022-08-18 | 2022-08-18 | Coal mine underground coal seam airtight sampling tool |
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| Country | Link |
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| CN (1) | CN218212029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558886A (en) * | 2023-07-10 | 2023-08-08 | 山东黄金矿业科技有限公司充填工程实验室分公司 | In-situ sampling device and method for downhole cemented filling body |
-
2022
- 2022-08-18 CN CN202222172739.3U patent/CN218212029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558886A (en) * | 2023-07-10 | 2023-08-08 | 山东黄金矿业科技有限公司充填工程实验室分公司 | In-situ sampling device and method for downhole cemented filling body |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |