CN219391419U - Sampling device that geological engineering investigation was used - Google Patents
Sampling device that geological engineering investigation was used Download PDFInfo
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- CN219391419U CN219391419U CN202320868177.8U CN202320868177U CN219391419U CN 219391419 U CN219391419 U CN 219391419U CN 202320868177 U CN202320868177 U CN 202320868177U CN 219391419 U CN219391419 U CN 219391419U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model relates to the field of geological engineering investigation, and discloses a sampling device for geological engineering investigation, which comprises a sampling frame, wherein a reserved groove is formed in one side of the inside of the sampling frame, the output end of a servo motor extends into the reserved groove and is fixedly connected with a threaded rod through a coupler, the surface of the threaded rod is in threaded connection with a threaded block, one side of the threaded block is fixedly connected with a sliding plate, the output end of a driving motor penetrates through the sliding plate and is fixedly connected with a sampling cylinder through the coupler, and the bottom end of the sampling cylinder is movably connected with a drilling cylinder. This sampling device that geological engineering investigation was used through setting up wear-resisting section of thick bamboo, can avoid the wearing and tearing that stone etc. caused sampling tube inner wall in the sample, realizes the protection to sampling tube inner wall, prolongs sampling tube's life, and detachable wear-resisting section of thick bamboo is convenient for maintain it simultaneously, and also is convenient for take out the inside soil sample of wear-resisting section of thick bamboo, avoids its loaded down with trivial details inconvenience that leads to taking out in sampling tube inside.
Description
Technical Field
The utility model relates to the field of geological engineering investigation, in particular to a sampling device for geological engineering investigation.
Background
The geological engineering range covers the fields of the ground, underground, land, sea and the like, and plays an important role in engineering planning and disaster prediction, so that in order to ensure the successful development of the geological engineering, corresponding investigation actions are required, in the process of investigation, geological soil and the like are required to be sampled so as to detect and analyze the geological soil and the like, and sampling cylinders are mostly adopted for sampling actions nowadays.
In the chinese utility model patent: the utility model provides a geological survey sampling device of authorized bulletin number CN217059420U, relates to geological survey technical field, specifically is including the backup pad, first hydraulic stem is installed to the top of backup pad, the motor frame is installed to the output shaft of first hydraulic stem, the internally mounted of motor frame has first motor, the output shaft of first motor is installed and is bored a section of thick bamboo, the sampling mouth has been seted up to the surface of boring a section of thick bamboo, the internally mounted who bores a section of thick bamboo has arc electric putter, the closing plate is installed to arc electric putter's one end, the inside of boring a section of thick bamboo is provided with the fixed frame. This geological survey sampling device, through arc electric putter, closing plate, fixed frame, second hydraulic stem, get material frame, second motor and the cooperation setting of sampling rod, can take a sample alone to a certain degree of depth alone in the in-process of using to play the effect of avoiding the sample to mix, reach the purpose of conveniently handling the sample.
The following problems exist in the prior art:
1. the sampling device in the prior art is inconvenient to protect, when the sampling tube drills into the inside of the geology, some stones and the like in the geology can scrape the inner wall of the sampling tube, and the service life of the sampling tube can be reduced in the past for a long time.
2. In the prior art, the sampling device is inconvenient to assemble, disassemble and replace, the bottom of the sampling cylinder is easy to wear due to rotation, so that the subsequent drilling effect is reduced, but the sampling cylinder is still intact at this time, and if the sampling cylinder is integrally replaced, the maintenance and replacement cost is high.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a sampling device for geological engineering investigation, which has the advantages of convenient protection, convenient disassembly and replacement and the like, and solves the problems in the prior art.
(II) technical scheme
In order to achieve the purposes of convenient protection, convenient disassembly and replacement, the utility model provides the following technical scheme: the utility model provides a sampling device that geological engineering investigation was used, includes the sampling frame, the reservation groove has been seted up to one side of sampling frame inside, one side fixedly connected with servo motor on sampling frame top, servo motor output extends to the inside of reservation groove and through shaft coupling fixedly connected with threaded rod, the surface threaded connection of threaded rod has the screw thread piece, one side fixedly connected with sliding plate of screw thread piece, the top fixedly connected with driving motor of sliding plate, the driving motor output runs through the sliding plate and through shaft coupling fixedly connected with sampling section of thick bamboo, the inner wall swing joint of sampling section of thick bamboo has protective structure, the bottom swing joint of sampling section of thick bamboo has a boring section of thick bamboo, the inside swing joint of sampling section of thick bamboo on boring a section of thick bamboo top has mounting structure.
The utility model provides a protection architecture includes the slide, slide fixed connection is in the both sides of sampling tube inner wall, the fixed slot has been seted up to the upper end of sampling tube inside one side, sampling tube one side upper end swing joint has the pull rod that extends to the fixed slot inside, one side fixedly connected with fixture block of pull rod, the pull rod surface winding of fixture block one side has reset spring, reset spring one side and the inside wall fixed connection of fixed slot, the inside swing joint of sampling tube has a wear-resisting section of thick bamboo, the draw-in groove has been seted up to the upper end of the inside one side of wear-resisting section of thick bamboo, the spout has been seted up to the both sides of wear-resisting section of thick bamboo, through setting up a wear-resisting section of thick bamboo, can avoid wearing and tearing that stone etc. led to the fact the sampling tube inner wall in the sample, realizes the protection to the sampling tube inner wall, prolongs the life of sampling tube, can carry out the dismouting with the wear-resisting section of thick bamboo simultaneously also be convenient for take out the soil sample of wear-resisting section of thick bamboo inside, avoid its to pile up and lead to the loaded down with trivial details inconvenience of taking out in the inside the sampling tube.
Preferably, the shape of slide and spout top view is protruding, and constitutes sliding structure between the inside of slide and spout, improves the steady fastness of wear-resisting section of thick bamboo and the preliminary slidable mounting of sampling tube inner wall.
Preferably, the shape of the clamping block is C-shaped, and a clamping structure is formed between one side of the clamping block and the inside of the clamping groove, so that the limit fixation of the abrasion-resistant cylinder and the inner wall of the sampling cylinder after sliding installation is realized.
Preferably, the bottom of the inner wall of the wear-resistant cylinder is oblique, and the wear-resistant cylinder is cylindrical in shape, so that the soil sample can conveniently enter the wear-resistant cylinder.
Preferably, the mounting structure comprises a mounting groove, the mounting groove is offered in the inside bottom of sampling tube, and the lower extreme swing joint of sampling tube surface has a mounting bolt, the top fixedly connected with installation piece of boring a section of thick bamboo, and the bolt hole has been seted up to one side of installation piece inside, through the block of installation piece and the inside block of mounting groove to utilize the screw-thread fit of mounting bolt and bolt hole inside, realize boring the quick assembly disassembly maintenance between section of thick bamboo and the sampling tube, avoid its bottom damage to lead to the loaded down with trivial details inconvenience that needs to change whole sampling tube, reduce corresponding maintenance cost.
Preferably, the mounting blocks and the mounting grooves are distributed at equal angles, a clamping structure is formed between the mounting blocks and the inside of the mounting grooves, and the firm stability of preliminary clamping between the drilling barrel and the sampling barrel is improved.
Preferably, the bottom fixedly connected with of sampling frame falls the rack, and is welding integrated structure between the top of falling the rack and the sampling frame bottom, increases the contact friction of sampling frame bottom and ground.
Preferably, the limiting groove is formed in the inner side wall of the sampling frame, and a limiting block which is in sliding fit with the inside of the limiting groove is fixedly connected to one side of the sliding plate, so that the sliding plate can slide up and down more stably and smoothly.
Advantageous effects
Compared with the prior art, the utility model provides a sampling device for geological engineering investigation, which has the following beneficial effects:
1. this sampling device that geological engineering investigation was used, through the protective structure who sets up, through setting up wear-resisting section of thick bamboo, can avoid the wearing and tearing that stone etc. caused the sampling tube inner wall in the sample, the life of extension sampling tube realizes the guard action to the sampling tube inner wall, the inside block of available fixture block and draw-in groove simultaneously, and utilize slide and the inside slip of spout, be convenient for carry out the dismouting to the wear-resisting section of thick bamboo and change, realize its maintenance and change action, also be convenient for simultaneously take out the inside soil sample of wear-resisting section of thick bamboo, avoid it to pile up the loaded down with trivial details inconvenience that leads to taking out in the sampling tube inside, improve its practicality, thereby the inconvenient problem of protecting has been solved.
2. This sampling device that geological engineering investigation was used through the mounting structure who sets up, through the block of installation and the inside block of mounting groove to utilize the screw-thread fit of mounting bolt and bolt hole inside, realize boring between section of thick bamboo and the sampling section of thick bamboo quick assembly disassembly maintenance, avoid its bottom to damage and lead to the loaded down with trivial details inconvenience that needs to change whole sampling section of thick bamboo, reduce corresponding maintenance cost, improve its practicality, thereby solved inconvenient dismouting change's problem.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic view of the bottom view of the present utility model;
FIG. 3 is a schematic perspective view of a drill pipe according to the present utility model;
FIG. 4 is a schematic view of a partially enlarged structure of the mounting structure of the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 6 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. a servo motor; 2. a threaded rod; 3. a screw block; 4. a protective structure; 401. a wear-resistant cylinder; 402. a slide plate; 403. a pull rod; 404. a fixing groove; 405. a return spring; 406. a clamping block; 407. a chute; 408. a clamping groove; 5. a reserved groove; 6. a reverse rack; 7. a mounting structure; 701. a mounting block; 702. bolt holes; 703. installing a bolt; 704. a mounting groove; 8. drilling a cylinder; 9. a sampling frame; 10. a sampling cylinder; 11. a limit groove; 12. a limiting block; 13. a sliding plate; 14. and driving the motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The preferred embodiments of the sampling device for geological engineering survey provided by the present utility model are shown in fig. 1 to 6: the utility model provides a sampling device that geological engineering investigation was used, including sampling frame 9, reservation groove 5 has been seted up to one side of sampling frame 9 inside, one side fixedly connected with servo motor 1 on sampling frame 9 top, servo motor 1 output extends to the inside of reservation groove 5 and through shaft coupling fixedly connected with threaded rod 2, threaded rod 2's surface threaded connection has screw thread piece 3, one side fixedly connected with sliding plate 13 of screw thread piece 3, the top fixedly connected with driving motor 14 of sliding plate 13, driving motor 14 output runs through sliding plate 13 and through shaft coupling fixedly connected with sampling section of thick bamboo 10, the inner wall swing joint of sampling section of thick bamboo 10 has protective structure 4, the bottom swing joint of sampling section of thick bamboo 10 has a section of thick bamboo 8, the inside swing joint of sampling section of thick bamboo 10 on the top of a section of thick bamboo 8 has mounting structure 7.
The protection structure 4 comprises a sliding plate 402, the sliding plate 402 is fixedly connected to two sides of the inner wall of the sampling tube 10, a fixing groove 404 is formed in the upper end of one side of the inner portion of the sampling tube 10, a pull rod 403 extending to the inner portion of the fixing groove 404 is movably connected to the upper end of one side of the sampling tube 10, a clamping block 406 is fixedly connected to one side of the pull rod 403, a reset spring 405 is wound on the surface of the pull rod 403 on one side of the clamping block 406, one side of the reset spring 405 is fixedly connected with the inner side wall of the fixing groove 404, a wear-resisting tube 401 is movably connected to the inner portion of the sampling tube 10, a clamping groove 408 is formed in the upper end of one side of the inner portion of the wear-resisting tube 401, sliding grooves 407 are formed in the two sides of the wear-resisting tube 401, abrasion caused by stones and the like in a sample on the inner wall of the sampling tube 10 can be avoided through the arrangement of the wear-resisting tube 401, the service life of the sampling tube 10 is prolonged, meanwhile, the wear-resisting tube 401 can be disassembled and replaced, and meanwhile a soil sample inside the wear-resisting tube 401 is conveniently taken out.
In this embodiment, the top view of the sliding plate 402 and the sliding slot 407 is in a convex shape, and a sliding structure is formed between the sliding plate 402 and the inside of the sliding slot 407, so that the stability and the firmness of the preliminary sliding installation of the abrasion-resistant cylinder 401 and the inner wall of the sampling cylinder 10 are improved through the sliding of the convex sliding plate 402 and the inside of the sliding slot 407.
In this embodiment, the shape of the clamping block 406 is C-shaped, and a clamping structure is formed between one side of the clamping block 406 and the inside of the clamping groove 408, so that the limit fixation of the abrasion-resistant barrel 401 and the inner wall of the sampling barrel 10 after sliding installation is realized by utilizing the clamping of one side of the C-shaped clamping block 406 and the inside of the clamping groove 408.
In this embodiment, the bottom end of the inner wall of the abrasion-resistant cylinder 401 is beveled, and the abrasion-resistant cylinder 401 is cylindrical, and the soil sample is guided by using the beveled end of the inner wall of the abrasion-resistant cylinder 401, so that the soil sample can enter the abrasion-resistant cylinder 401 conveniently.
Example 2
On the basis of embodiment 1, a preferred embodiment of the sampling device for geological engineering survey provided by the utility model is shown in fig. 1 to 6: the mounting structure 7 comprises a mounting groove 704, the mounting groove 704 is formed in the bottom end of the inside of the sampling tube 10, the lower end of the surface of the sampling tube 10 is movably connected with a mounting bolt 703, the top end of the drilling tube 8 is fixedly connected with a mounting block 701, one side of the inside of the mounting block 701 is provided with a bolt hole 702, after the bottom end of the drilling tube 8 is seriously worn, the mounting block 701 is clamped with the inside of the mounting groove 704, and the quick assembly disassembly and maintenance between the drilling tube 8 and the sampling tube 10 are realized by utilizing the threaded fit of the mounting bolt 703 and the inside of the bolt hole 702, so that the trouble and inconvenience that the whole sampling tube 10 needs to be replaced due to the bottom damage of the mounting groove are avoided, and the corresponding maintenance cost is reduced.
In this embodiment, four mounting blocks 701 and mounting grooves 704 are equiangularly distributed, and a clamping structure is formed between the mounting blocks 701 and the inside of the mounting grooves 704, so that the fastening stability of preliminary fastening between the drilling barrel 8 and the sampling barrel 10 is improved by uniformly angularly distributing the clamping between the four mounting blocks 701 and the inside of the mounting grooves 704.
Further, the bottom fixedly connected with of sampling frame 9 falls rack 6, and is welding integrated structure between the top of falling rack 6 and the sampling frame 9 bottom, through welded falling rack 6, increases the contact friction of sampling frame 9 bottom and ground, and then is convenient for follow-up drilling sampling action to geology.
In addition, the limiting groove 11 is formed in the inner side wall of the sampling frame 9, a limiting block 12 in sliding fit with the inside of the limiting groove 11 is fixedly connected to one side of the sliding plate 13, sliding of the limiting block 12 in the limiting groove 11 is utilized, rotation of the sliding plate 13 and the threaded block 3 along with rotation of the threaded rod 2 is avoided, and further vertical sliding of the sliding plate 13 is smooth.
When the device is used, the sampling frame 9 is carried to a designated position through the handle at the top end of the sampling frame 9, then the contact friction force between the bottom end of the sampling frame 9 and the ground is increased through the welded inverted rack 6, so that the subsequent drilling and sampling actions on geology are facilitated, then the servo motor 1 is started to drive the threaded rod 2 to rotate, the threaded rod 2 is matched with the threads of the threaded block 3 through the threads of the threaded rod 2, and the limiting block 12 is used for sliding in the limiting groove 11, so that the sliding plate 13 stably descends, and meanwhile, the driving motor 14 is started to drive the sampling cylinder 10 to rotate, so that the drilling cylinder 8 rotates to perform drilling and sampling on geology;
after the sampling is completed, the servo motor 1 is started again, so that the drilling cylinder 8 and the sampling cylinder 10 are lifted to the outside of the ground surface, meanwhile, abrasion of stones and the like in the sample on the inner wall of the sampling cylinder 10 can be avoided by arranging the abrasion-resistant cylinder 401, the service life of the sampling cylinder 10 is prolonged, meanwhile, the pull rod 403 can be pulled periodically to drive the clamping block 406 to slide and compress the reset spring 405 to be completely separated from the inside of the clamping groove 408, the abrasion-resistant cylinder 401 is pulled to be taken out of the sampling cylinder 10, the abrasion-resistant cylinder 401 is convenient to disassemble and replace, and meanwhile, the soil sample in the abrasion-resistant cylinder 401 is also convenient to take out, and the tedious inconvenience of taking out caused by accumulation of the soil sample in the sampling cylinder 10 is avoided;
and when the abrasion of the bottom end of the drilling barrel 8 is serious, the mounting bolt 703 is rotated by tools such as a screwdriver to be completely separated from the inside of the bolt hole 702, and then the drilling barrel 8 is pulled downwards, so that the mounting block 701 is completely separated from the inside of the mounting block 701, the drilling barrel 8 is convenient to maintain or replace, and when a new drilling barrel 8 is installed, the mounting block 701 is clamped into the mounting groove 704, the mounting bolt 703 is screwed into the inside of the bolt hole 702, the mounting block 701 is fixedly clamped with the inside of the mounting groove 704, and further, the quick disassembly and maintenance between the drilling barrel 8 and the sampling barrel 10 can be realized, the tedious inconvenience that the whole sampling barrel 10 needs to be replaced due to the bottom damage of the drilling barrel is avoided, and the corresponding maintenance cost is reduced.
To sum up, this sampling device that geological engineering investigation was used, the device can realize the protection to sampling tube 10 inner wall, avoids the scratch wearing and tearing to sampling tube 10 inner wall such as stone in the soil sample, and through removable wear-resisting section of thick bamboo 401, is convenient for take out the geological sample of drilling sampling, can realize simultaneously that the dismouting of boring section of thick bamboo 8 and sampling tube 10, avoids its bottom to damage and leads to the loaded down with trivial details inconvenience that needs to change whole sampling tube 10, reduces corresponding maintenance cost.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Sampling device for geological engineering investigation, including sampling frame (9), its characterized in that: the novel sampling device is characterized in that a reserved groove (5) is formed in one side of the inside of the sampling frame (9), a servo motor (1) is fixedly connected to one side of the top end of the sampling frame (9), the output end of the servo motor (1) extends to the inside of the reserved groove (5) and is fixedly connected with a threaded rod (2) through a coupler, a threaded block (3) is connected to the surface of the threaded rod (2) in a threaded mode, a sliding plate (13) is fixedly connected to one side of the threaded block (3), a driving motor (14) is fixedly connected to the top end of the sliding plate (13), the output end of the driving motor (14) penetrates through the sliding plate (13) and is fixedly connected with a sampling cylinder (10) through the coupler, a protection structure (4) is movably connected to the inner wall of the sampling cylinder (10), and a mounting structure (7) is movably connected to the inner side of the sampling cylinder (10) at the top end of the sampling cylinder (8).
The protection structure (4) comprises a sliding plate (402), the both sides of sliding plate (402) fixed connection at sampling tube (10) inner wall, fixed slot (404) have been seted up to the upper end of sampling tube (10) inside one side, sampling tube (10) one side upper end swing joint has pull rod (403) that extend to fixed slot (404) inside, one side fixedly connected with fixture block (406) of pull rod (403), the winding of pull rod (403) surface on fixture block (406) one side has reset spring (405), reset spring (405) one side and the inside wall fixed connection of fixed slot (404), the inside swing joint of sampling tube (10) has wear-resisting section of thick bamboo (401), draw-in groove (408) have been seted up to the upper end of the inside one side of wear-resisting section of thick bamboo (401), spout (407) have been seted up to the both sides of wear-resisting section of thick bamboo (401).
2. A sampling device for geological engineering survey according to claim 1, wherein: the top view of the sliding plate (402) and the sliding groove (407) is in a convex shape, and a sliding structure is formed between the sliding plate (402) and the inside of the sliding groove (407).
3. A sampling device for geological engineering survey according to claim 1, wherein: the clamping block (406) is C-shaped, and a clamping structure is formed between one side of the clamping block (406) and the inside of the clamping groove (408).
4. A sampling device for geological engineering survey according to claim 1, wherein: the bottom end of the inner wall of the wear-resistant cylinder (401) is in an oblique angle, and the shape of the wear-resistant cylinder (401) is cylindrical.
5. A sampling device for geological engineering survey according to claim 1, wherein: the mounting structure (7) comprises a mounting groove (704), the mounting groove (704) is formed in the bottom end of the inside of the sampling tube (10), the lower end of the surface of the sampling tube (10) is movably connected with a mounting bolt (703), the top end of the drilling tube (8) is fixedly connected with a mounting block (701), and one side of the inside of the mounting block (701) is provided with a bolt hole (702).
6. A sampling device for geological engineering exploration according to claim 5, wherein: four mounting blocks (701) and mounting grooves (704) are distributed at equal angles, and a clamping structure is formed between the mounting blocks (701) and the interiors of the mounting grooves (704).
7. A sampling device for geological engineering survey according to claim 1, wherein: the bottom fixedly connected with of sampling frame (9) falls rack (6), and is welding integrated structure between the top of falling rack (6) and sampling frame (9) bottom.
8. A sampling device for geological engineering survey according to claim 1, wherein: the inner side wall of the sampling frame (9) is provided with a limit groove (11), and one side of the sliding plate (13) is fixedly connected with a limit block (12) which is in sliding fit with the inside of the limit groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320868177.8U CN219391419U (en) | 2023-04-18 | 2023-04-18 | Sampling device that geological engineering investigation was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320868177.8U CN219391419U (en) | 2023-04-18 | 2023-04-18 | Sampling device that geological engineering investigation was used |
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| Publication Number | Publication Date |
|---|---|
| CN219391419U true CN219391419U (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320868177.8U Active CN219391419U (en) | 2023-04-18 | 2023-04-18 | Sampling device that geological engineering investigation was used |
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| CN (1) | CN219391419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309465A (en) * | 2023-10-08 | 2023-12-29 | 廊坊市诚信地质服务有限公司 | Deep geological sample sampling device and sampling method |
-
2023
- 2023-04-18 CN CN202320868177.8U patent/CN219391419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309465A (en) * | 2023-10-08 | 2023-12-29 | 廊坊市诚信地质服务有限公司 | Deep geological sample sampling device and sampling method |
| CN117309465B (en) * | 2023-10-08 | 2024-04-05 | 廊坊市诚信地质服务有限公司 | Deep geological sample sampling device and sampling method |
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