CN212748431U - Hydrogeology is with groundwater and surface water depthkeeping quantitative sampler - Google Patents
Hydrogeology is with groundwater and surface water depthkeeping quantitative sampler Download PDFInfo
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- CN212748431U CN212748431U CN202022154411.XU CN202022154411U CN212748431U CN 212748431 U CN212748431 U CN 212748431U CN 202022154411 U CN202022154411 U CN 202022154411U CN 212748431 U CN212748431 U CN 212748431U
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- transparent
- sampling pipe
- transparent sampling
- horizontal pole
- water
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- 239000002352 surface water Substances 0.000 title claims abstract description 16
- 239000003673 groundwater Substances 0.000 title claims abstract description 7
- 238000005070 sampling Methods 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000000903 blocking effect Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Abstract
The utility model discloses a hydrogeology is with groundwater and surface water depthkeeping quantitative sample thief, including U-shaped branch, seted up the perforation on the bottom inner wall of U-shaped branch, sliding sleeve is equipped with the horizontal pole on the U-shaped branch, and horizontal pole screw fastening is equipped with the transparent sampling pipe that the bottom is block structure in the U-shaped branch on the U-shaped branch, and the front side of transparent sampling pipe is provided with the scale mark, and the horizontal pole rotates the cover to be established on transparent sampling pipe, and the bottom fixedly connected with drill bit of transparent sampling pipe, and in the bottom of drill bit extended to the perforation, fixed cover was equipped with the gear wheel that is located the horizontal pole below on the transparent sampling pipe, and top one side fixed mounting of horizontal pole has driving. The utility model relates to a rationally, the stable realization ration depthkeeping sample of being convenient for is convenient for shelter from the limbers, can effectively avoid appearing multilayer water and mix and impurity entering into the downthehole influence sampling data of limbers, satisfies the user demand, is favorable to the use.
Description
Technical Field
The utility model relates to a sample thief technical field especially relates to a hydrogeology is with groundwater and surface water depthkeeping quantitative sample thief.
Background
Water is an important resource for human survival, and underground water is widely developed and utilized due to the advantages of stable water quantity, good water quality and the like; the quality of underground water at the position is generally required to be sampled and detected before development, an underground water sampler is generally used in the process of underground water sampling, firstly, the sampler needs to be pressurized, the sampling pipe is lowered to a required depth, the pressure is released, the underground water can flow backwards into the sampling pipe through a water inlet on the sampling pipe, and the underground water is lifted out of the water surface again after the sampling pipe is filled, and is collected.
Present sample thief, it is not convenient for in time shelter from the water inlet of sampling pipe, causes the in-process of transferring at the sampling pipe, leads to getting into debris such as earth when not reaching the sample depth easily because of touching earth to and mix with upper water phase easily when upwards shifting out, can not satisfy the user demand, for this reason we have proposed a hydrogeology and have used water and surface water depthkeeping quantitative sample thief.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a hydrogeology underground water and surface water depth-keeping quantitative sampler.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hydrogeology is with groundwater and surface water depthkeeping quantitative sampler, including U-shaped branch, seted up the perforation on the bottom inner wall of U-shaped branch, sliding sleeve is equipped with the horizontal pole on the U-shaped branch, horizontal pole screw-thread fastening is on U-shaped branch, be equipped with the transparent sampling pipe of bottom for block structure in the U-shaped branch, the front side of transparent sampling pipe is provided with the scale mark, the horizontal pole rotates the cover and establishes on transparent sampling pipe, the bottom fixedly connected with drill bit of transparent sampling pipe, and the bottom of drill bit extends to in the perforation, the fixed cover is equipped with the gear wheel that is located the horizontal pole below on the transparent sampling pipe, top one side fixed mounting of horizontal pole has driving motor, and driving motor's output shaft bottom extends to the below of horizontal pole and fixedly connected with pinion, the pinion meshes with the gear wheel mutually, the sealed movable sleeve of transparent sampling pipe is equipped with, the top end of the T-shaped screw extends to the upper part of the transparent sampling tube, nuts are fixedly connected between the inner walls of the two sides of the transparent sampling tube, and the nuts are sleeved on the T-shaped screw in a threaded manner;
the outer side of the transparent sampling tube is provided with a ring groove with the bottom arranged as an opening, the inner side wall of the ring groove is provided with a water through hole communicated with the inner wall of the transparent sampling tube, a filter screen is fixedly arranged in the water through hole, the inner side wall of the ring groove is movably sleeved with a transparent circular blocking sleeve, the inner side of the transparent circular blocking sleeve is in sealing movable contact with the inner side wall of the ring groove, the transparent circular blocking sleeve is matched with the water through hole, the transparent sampling tube is fixedly sleeved with a transparent sheath, the inner side of the transparent sheath is in sliding connection with the outer side of the transparent circular blocking sleeve, both sides of the top of the transparent circular blocking sleeve are fixedly connected with vertical rods, the top ends of the two vertical rods extend to the upper part of the transparent sampling tube and are fixedly connected with a pull ring, the transparent sampling tube is slidably sleeved on the two vertical rods, two springs, the T-shaped screw rod is positioned in the pull ring and is not contacted with the inner side of the pull ring.
Preferably, two rectangular holes and a first round hole are formed in the cross rod, the inner wall of each rectangular hole is connected with the outer side of the U-shaped supporting rod in a sliding mode, a first bearing is sleeved in the first round hole in a fixed mode, the inner ring of the first bearing is fixedly connected with the inner side of the transparent sampling tube in the outer side of the inner ring of the first bearing, a threaded hole is formed in the inner wall of the right side of the rectangular hole in the right side of the two rectangular holes, the right side top of the U-shaped supporting rod is in movable contact with a T-shaped fastening screw rod, and the threaded.
Preferably, the top of the limiting piston is rotatably provided with a second bearing, and an inner ring of the second bearing is welded and sleeved with the outer side of the T-shaped screw rod.
Preferably, the outside bonding cladding of spacing piston has first rubber seal, and the outside of first rubber seal and the inboard movable contact of transparent sampling pipe.
Preferably, the inner side of the transparent circular blocking sleeve is fixedly bonded with a thin sealing rubber sheet, and the inner side of the thin sealing rubber sheet is in movable contact with the inner side wall of the annular groove.
Preferably, two second round holes are formed in the inner wall of the top of the annular groove, and the side walls of the second round holes are connected with the outer sides of the corresponding vertical rods in a sliding mode.
Compared with the prior art, the beneficial effects of the utility model are that:
through a U-shaped supporting rod, a cross rod, a transparent sampling pipe, a drill bit, a large gear, a driving motor, an annular groove, a water through hole, a filter screen, a transparent circular blocking sleeve, a transparent sheath, a vertical rod, a pull ring, a spring, a limiting piston, a T-shaped screw rod, a nut and a scale mark, the T-shaped screw rod is rotated in a forward direction to be rotated in the nut and moved upwards, the T-shaped screw rod drives the limiting piston to move upwards to a position corresponding to the scale mark, quantitative adjustment is completed, the T-shaped fastening screw rod is rotated in a reverse direction to be separated from the top of the right side of the U-shaped supporting rod, the driving motor is started in the forward direction to drive a pinion to rotate, the pinion drives the transparent sampling pipe to rotate through the large gear, the transparent sampling pipe drives the drill bit to rotate, the cross rod is pressed downwards, the drill bit is driven to, the moving depth of the transparent sampling tube can be observed through the scale marks on the transparent sampling tube, the sampling with fixed depth can be realized, the pull ring is pulled upwards to stretch the two springs, the pull ring drives the transparent circular blocking sleeve to move upwards through the two vertical rods, the water through hole is exposed, the water in the water through hole enters the transparent sampling pipe through the filter screen, when the water level is contacted with the bottom of the limit piston, the water level is shielded by the limit piston and automatically stops water inflow, after sampling is finished, the pulling force on the pull ring is released, the elastic force of the two springs in the stretching state drives the pull ring to move back and reset downwards, the pull ring drives the transparent circular blocking sleeve to block the water through hole again through the two vertical rods, when the sampled water needs to be taken out, the transparent sampling pipe is taken out from the underground, the pull ring is pulled upwards again, the shielding of the water through hole is removed, water flows out of the water through hole, and the purpose of stable depth-fixing quantitative sampling is achieved.
The utility model relates to a rationally, the stable realization ration depthkeeping sample of being convenient for is convenient for shelter from the limbers, can effectively avoid appearing multilayer water and mix and impurity entering into the downthehole influence sampling data of limbers, satisfies the user demand, is favorable to the use.
Drawings
Fig. 1 is a schematic structural diagram of a hydrogeology underground water and surface water depth-setting quantitative sampler provided by the utility model;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: the device comprises a U-shaped support rod 1, a cross rod 2, a transparent sampling pipe 3, a drill bit 4, a gear wheel 5, a driving motor 6, an annular groove 7, a water through hole 8, a filter screen 9, a transparent circular blocking sleeve 10, a transparent sheath 11, a vertical rod 12, a pull ring 13, a spring 14, a limiting piston 15, a T-shaped screw rod 16, a nut 17 and scale marks 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-3, a hydrogeology underground water and surface water depth-setting quantitative sampler comprises a U-shaped supporting rod 1, a perforation is arranged on the inner wall of the bottom of the U-shaped supporting rod 1, a cross rod 2 is slidably sleeved on the U-shaped supporting rod 1, the cross rod 2 is fastened on the U-shaped supporting rod 1 in a threaded manner, a transparent sampling tube 3 with a bottom end of a blocking structure is arranged in the U-shaped supporting rod 1, a scale mark 18 is arranged on the front side of the transparent sampling tube 3, the cross rod 2 is rotatably sleeved on the transparent sampling tube 3, a drill bit 4 is fixedly connected to the bottom end of the transparent sampling tube 3, the bottom end of the drill bit 4 extends into the perforation, a large gear 5 positioned below the cross rod 2 is fixedly sleeved on the transparent sampling tube 3, a driving motor 6 is fixedly installed on one side of the top of the cross rod 2, the bottom end of an output shaft of, a limiting piston 15 is hermetically and movably sleeved in the transparent sampling tube 3, a T-shaped screw 16 is rotatably installed at the top of the limiting piston 15, the top end of the T-shaped screw 16 extends to the upper part of the transparent sampling tube 3, a nut 17 is fixedly connected between the inner walls of two sides of the transparent sampling tube 3, and the nut 17 is sleeved on the T-shaped screw 16 in a threaded manner;
the outer side of the transparent sampling tube 3 is provided with a ring groove 7 with an opening at the bottom, the inner side wall of the ring groove 7 is provided with a water through hole 8 communicated with the inner wall of the transparent sampling tube 3, a filter screen 9 is fixedly installed in the water through hole 8, the inner side wall of the ring groove 7 is movably sleeved with a transparent circular blocking sleeve 10, the inner side of the transparent circular blocking sleeve 10 is in sealed movable contact with the inner side wall of the ring groove 7, the transparent circular blocking sleeve 10 is matched with the water through hole 8, the transparent sampling tube 3 is fixedly sleeved with a transparent sheath 11, the inner side of the transparent sheath 11 is in sliding connection with the outer side of the transparent circular blocking sleeve 10, both sides of the top of the transparent circular blocking sleeve 10 are fixedly connected with vertical rods 12, the top ends of the two vertical rods 12 extend to the upper side of the transparent sampling tube 3 and are fixedly connected with a same pull ring 13, the transparent sampling tube 3 is slidably sleeved on the, and 14 movable sleeve of spring establish on corresponding montant 12, T shape screw rod 16 be located pull ring 13 and with pull ring 13's inboard contactless, the utility model relates to a rationally, be convenient for stable realization ration depthkeeping sample, be convenient for shelter from limbers 8, can effectively avoid appearing multilayer water mixing and influence sampling data in impurity enters into limbers 8, satisfy the user demand, be favorable to using.
In the utility model, two rectangular holes and a first round hole are arranged on a cross rod 2, the inner wall of the rectangular hole is connected with the outer side of a U-shaped support rod 1 in a sliding way, a first bearing is fixedly sleeved in the first round hole, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of a transparent sampling tube 3, a threaded hole is arranged on the right side inner wall of the rectangular hole on the right side in the two rectangular holes, the top of the right side of the U-shaped support rod 1 is movably contacted with a T-shaped fastening screw rod, the threaded hole is in threaded connection with the T-shaped fastening screw rod, a second bearing is rotatably arranged at the top of a limiting piston 15, the inner ring of the second bearing is welded and sleeved with the outer side of a T-shaped screw rod 16, the outer side of the limiting piston 15 is bonded and coated with a first sealing rubber sheet, the outer side of the first sealing rubber sheet is movably contacted with the inner side of the transparent sampling tube 3, a thin, two second round holes have been seted up on the top inner wall of ring channel 7, and the lateral wall of second round hole and the outside sliding connection of the montant 12 that corresponds, the utility model relates to a rationally, the stable realization ration depthkeeping sample of being convenient for is convenient for shelter from limbers 8, can effectively avoid appearing multilayer water mixing and influence sampling data in impurity enters into limbers 8, satisfies the user demand, is favorable to the use.
The working principle is as follows: when the quantitative sampling device is used for sampling underground water or surface water and needs quantitative sampling, the T-shaped screw 16 is rotated in the forward direction, the T-shaped screw 16 rotates in the nut 17 and moves upwards, the T-shaped screw 16 rotates at the top of the limiting piston 15 and drives the limiting piston 15 to move upwards, the position of the limiting piston 15 moving upwards is observed through the scale mark 18 on the transparent sampling pipe 3, the limiting piston 15 moves to the position corresponding to the scale mark 18, quantitative adjustment is completed, the T-shaped fastening screw is rotated in the reverse direction at the moment and is separated from the top of the right side of the U-shaped supporting rod 1, the driving motor 6 is started in the forward direction to drive the pinion to rotate, the pinion drives the transparent sampling pipe 3 to rotate through the gear wheel 5 meshed with the pinion, the transparent sampling pipe 3 drives the drill bit 4 to rotate, the cross rod 2 is pressed downwards at the moment, the cross rod 2 slides downwards on the U-shaped supporting rod 1, the cross rod 2 drives the drill bit, at the moment, the drill bit 4 gradually drills into the ground under the action of moving downwards and rotating, the moving depth of the transparent sampling pipe 3 can be observed through a scale mark on the transparent sampling pipe 3, sampling with fixed depth can be realized, after the transparent sampling pipe 3 moves downwards to a proper position, the driving motor 6 is stopped, the pull ring 13 is pulled upwards at the moment, the pull ring 13 upwards stretches the two springs 14, meanwhile, the pull ring 13 drives the transparent circular blocking sleeve 10 to move upwards through the two vertical rods 12, the water through hole 8 is exposed along with the upward movement of the transparent circular blocking sleeve 10, the water at the moment passes through the filter screen 9 in the water through hole 8 and enters the transparent sampling pipe 3, when the water level surface is contacted with the bottom of the limiting piston 15, the water can be blocked by the water level surface and the water can automatically stop entering, and the filter screen 9 can filter impurities on the entering water, so;
after the sampling is accomplished, relax the pulling force to pull ring 13, the elasticity of two springs 14 that are in tensile state this moment drives pull ring 13 and moves back to reset downwards, pull ring 13 drives transparent circle spacer sleeve 10 downstream through two montants 12, the realization shelters from limbers 8 once more, when needing to take out the water of sample, take out transparent sampling pipe 3 from the underground, upwards pulling pull ring 13 once more, relieve sheltering from to limbers 8, make water flow out in the limbers 8, the realization can stabilize the purpose of depthkeeping quantitative sample, and be convenient for shelter from to limbers 8, can avoid appearing multilayer water mixture and impurity and enter into the limbers 8 interior influence sampling data.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hydrogeology is with groundwater and surface water depthkeeping quantitative sample thief, including U-shaped branch (1), the perforation has been seted up on the bottom inner wall of U-shaped branch (1), a serial communication port, the sliding sleeve is equipped with horizontal pole (2) on U-shaped branch (1), horizontal pole (2) screw thread fastening is on U-shaped branch (1), be equipped with bottom transparent sampling pipe (3) for block structure in U-shaped branch (1), the front side of transparent sampling pipe (3) is provided with scale mark (18), horizontal pole (2) rotate the cover and establish on transparent sampling pipe (3), the bottom fixedly connected with drill bit (4) of transparent sampling pipe (3), and the bottom of drill bit (4) extends to in the perforation, fixed cover is equipped with gear wheel (5) that are located horizontal pole (2) below on transparent sampling pipe (3), top one side fixed mounting of horizontal pole (2) has driving motor (6), the bottom end of an output shaft of the driving motor (6) extends to the lower part of the cross rod (2) and is fixedly connected with a small gear, the small gear is meshed with the large gear (5), a limiting piston (15) is movably sleeved in the transparent sampling tube (3) in a sealing mode, a T-shaped screw rod (16) is rotatably installed at the top of the limiting piston (15), the top end of the T-shaped screw rod (16) extends to the upper part of the transparent sampling tube (3), a nut (17) is fixedly connected between the inner walls of the two sides of the transparent sampling tube (3), and the nut (17) is sleeved on the T-shaped screw rod (16) in a threaded mode;
the outer side of the transparent sampling pipe (3) is provided with a ring groove (7) with the bottom arranged as an opening, the inner side wall of the ring groove (7) is provided with a water through hole (8) communicated with the inner wall of the transparent sampling pipe (3), a filter screen (9) is fixedly arranged in the water through hole (8), the inner side wall of the ring groove (7) is movably sleeved with a transparent circular blocking sleeve (10), the inner side of the transparent circular blocking sleeve (10) is in sealed movable contact with the inner side wall of the ring groove (7), the transparent circular blocking sleeve (10) is matched with the water through hole (8), the transparent sampling pipe (3) is fixedly sleeved with a transparent sheath (11), the inner side of the transparent sheath (11) is in sliding connection with the outer side of the transparent circular blocking sleeve (10), both sides of the top of the transparent circular blocking sleeve (10) are fixedly connected with vertical rods (12), the top ends of the two vertical rods (12) extend to the upper part of the transparent, transparent sampling pipe (3) slip cover is established on two montants (12), two fixedly connected with springs (14) between the bottom of pull ring (13) and the top of transparent sampling pipe (3), and spring (14) activity cover is established on corresponding montant (12), and T shape screw rod (16) are located pull ring (13) and do not contact with the inboard of pull ring (13).
2. The hydrogeology groundwater and surface water depthkeeping quantitative sampler according to claim 1, characterized in that, two rectangular holes and a first round hole have been seted up on horizontal pole (2), the inner wall of rectangular hole and the outside sliding connection of U-shaped branch (1), fixed cover is equipped with first bearing in the first round hole, and the inner circle inboard of first bearing and the outside fixed connection of transparent sampling pipe (3), set up the screw hole on the right side inner wall of the rectangular hole that lies in the right side in two rectangular holes, the right side top movable contact of U-shaped branch (1) has T-shaped fastening screw, screw hole and T-shaped fastening screw threaded connection.
3. The hydrogeology underground water and surface water depthkeeping quantitative sampler of claim 1 characterized in that, the top of spacing piston (15) is rotated and is installed with the second bearing, and the inner circle of second bearing and the outside welding suit of T screw rod (16).
4. The hydrogeology underground water and surface water depthkeeping quantitative sampler of claim 1 characterized in that, the outside bonding of spacing piston (15) is wrapped with first stripper rubber, and the outside of first stripper rubber and the inboard movable contact of transparent sampling pipe (3).
5. The hydrogeology underground water and surface water depthkeeping quantitative sampler according to claim 1, characterized in that the inside of the transparent circular blocking sleeve (10) is fixedly bonded with a thin sealing rubber sheet, and the inside of the thin sealing rubber sheet is in movable contact with the inner side wall of the annular groove (7).
6. The hydrogeology underground water and surface water depthkeeping quantitative sampler of claim 1 characterized in that, two second round holes are seted up on the top inner wall of ring channel (7), and the lateral wall of second round hole and the outside sliding connection of corresponding montant (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022154411.XU CN212748431U (en) | 2020-09-27 | 2020-09-27 | Hydrogeology is with groundwater and surface water depthkeeping quantitative sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022154411.XU CN212748431U (en) | 2020-09-27 | 2020-09-27 | Hydrogeology is with groundwater and surface water depthkeeping quantitative sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748431U true CN212748431U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022154411.XU Expired - Fee Related CN212748431U (en) | 2020-09-27 | 2020-09-27 | Hydrogeology is with groundwater and surface water depthkeeping quantitative sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212748431U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155545A (en) * | 2021-05-28 | 2021-07-23 | 浙江小桥流水环境科技有限公司 | Automatic emptying underwater sampler |
| CN113340659A (en) * | 2021-06-09 | 2021-09-03 | 扬州市职业大学(扬州市广播电视大学) | Environment monitoring river silt sampling device |
| CN114166577A (en) * | 2021-12-02 | 2022-03-11 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Hydrogeology wetland water depthkeeping sample thief |
| CN118582157A (en) * | 2024-08-06 | 2024-09-03 | 河南洲匠建设工程有限公司 | A hydrogeological exploration device and exploration method |
-
2020
- 2020-09-27 CN CN202022154411.XU patent/CN212748431U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155545A (en) * | 2021-05-28 | 2021-07-23 | 浙江小桥流水环境科技有限公司 | Automatic emptying underwater sampler |
| CN113340659A (en) * | 2021-06-09 | 2021-09-03 | 扬州市职业大学(扬州市广播电视大学) | Environment monitoring river silt sampling device |
| CN114166577A (en) * | 2021-12-02 | 2022-03-11 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Hydrogeology wetland water depthkeeping sample thief |
| CN114166577B (en) * | 2021-12-02 | 2024-01-26 | 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） | Hydrogeology wetland water body depth-fixing sampler |
| CN118582157A (en) * | 2024-08-06 | 2024-09-03 | 河南洲匠建设工程有限公司 | A hydrogeological exploration device and exploration method |
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Granted publication date: 20210319 |