CN114199626B - Hydraulic loop geological survey sampling equipment - Google Patents
Hydraulic loop geological survey sampling equipment Download PDFInfo
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- CN114199626B CN114199626B CN202111526633.2A CN202111526633A CN114199626B CN 114199626 B CN114199626 B CN 114199626B CN 202111526633 A CN202111526633 A CN 202111526633A CN 114199626 B CN114199626 B CN 114199626B
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- geological survey
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- 238000005070 sampling Methods 0.000 title claims abstract description 123
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000004140 cleaning Methods 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- -1 stratum structures Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of geological survey, and discloses a hydraulic loop geological survey sampling device, which comprises a sampling shell, wherein the outer wall of the sampling shell is provided with a water inlet; the inside of sampling casing is provided with the baffle, and sampling casing's outer wall is provided with the connecting piece. When the sampling device is used, the elastic component pulls the lifting piece downwards in the falling process, the sealing piece plugs and seals the opening of the water inlet, when the counterweight piece moves downwards to the water bottom, the sampling shell moves downwards relative to the counterweight piece until the outer wall of the bottom of the sampling shell contacts with the top of the counterweight piece, meanwhile, the lifting piece is lifted upwards by the lifting piece, the sealing piece is staggered with the opening of the water inlet, water with different water levels enters the inside of the sampling shell through the water inlet, sampling is realized, the water inlet can be automatically opened and closed, and the layered sampling effect is good.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to hydraulic loop geological exploration sampling equipment.
Background
The geological investigation is to carry out different investigation and research works on the geological conditions of rocks, stratum structures, minerals, groundwater, landforms and the like in a certain area according to the requirements of economic construction, national defense construction and scientific technology development, and different geological investigation works are carried out according to different purposes. At present, when carrying out geological survey work, needs to sample the rivers of river course, in order to guarantee the effect of investigation, generally needs to carry out the layering sample to water, and current sampling device for geological survey exists the not good problem of effect of layering sample to moisture when using.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a hydraulic loop geological exploration sampling device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the sampling equipment for the hydraulic engineering ring geological survey comprises a sampling shell, wherein the outer wall of the sampling shell is provided with a water inlet for sampling; the inside of the sampling shell is provided with a baffle plate for separating the inner space of the sampling shell, the outer wall of the sampling shell is provided with a connecting piece, the sampling shell further comprises a weight piece and a lifting mechanism, the lifting mechanism comprises a lifting piece which is movably arranged, and the side surface of the lifting piece is provided with a sealing piece through a mounting part for sealing the opening of the water inlet before and after sampling;
the weight piece is provided with a jacking piece at one side close to the sampling shell, the inside of the jacking piece is connected with one end of the lifting piece through an elastic part, and the jacking piece is used for jacking up when the sampling shell descends to the water bottom along with the weight piece;
the inner wall of the water inlet is provided with a sealing air bag which is used for sealing the opening of the water inlet before and after sampling;
the adjusting mechanism is used for adjusting the size of the sealing air bag;
the adjusting mechanism comprises an adjusting air bag arranged in the hollow of the partition board and a second pressing component arranged through an elastic component, one side of the second pressing component, which is far away from the adjusting air bag, is provided with an extending component, and the position of one end of the extending component, which extends to the outer wall of the partition board, corresponds to the side surface of the mounting component;
the interior of the regulating air bag is communicated with the interior of the sealing air bag through an air pipe.
Preferably, an elastic piece is arranged in the sealing air bag and used for shrinking and resetting the inner part of the sealing air bag when the adjusting air bag is not extruded.
Preferably, a limiting piece is arranged on one side, close to the sampling shell, of the counterweight piece and is used for limiting and guiding the movement of the sampling shell relative to the counterweight piece.
Preferably, the limiting piece is sleeved on the outer wall of the sampling shell, a guide groove is formed in one side, close to the sampling shell, of the limiting piece, a guide block is arranged on the outer wall of the sampling shell, and the outer diameter of the guide block is matched with the inner diameter of the guide groove.
Preferably, the outer wall of the sampling shell is provided with a protective cover for filtering water flowing to the water inlet.
Preferably, the cleaning device is further provided with a cleaning mechanism for cleaning the inner wall of the protective cover.
Preferably, the cleaning mechanism comprises a mounting piece connected with the limiting piece, one end of the mounting piece extending to the inside of the protective cover is provided with an air outlet component, one side of the air outlet component, which is close to the inner wall of the protective cover, is provided with a cleaning component through an elastic piece, and the cleaning component is used for driving the cleaning component to brush and clean the inner wall of the protective cover when the sampling shell is lifted relative to the counterweight piece.
Preferably, the air inlet mechanism is further included for blowing air into the hollow air outlet component.
Preferably, the air inlet mechanism comprises a first pressing component arranged on the outer wall of the top moving part, and a deformation air bag is arranged on one side, close to the partition plate, of the first pressing component;
the inside of the deformation air bag is communicated with the inside of the air outlet component through a connecting pipe, and one end of the connecting pipe is connected with a one-way valve;
one side of the air outlet part, which is close to the inner wall of the protective cover, is provided with an air outlet hole.
Preferably, one side of the weight piece far away from the sampling shell is an arc-shaped surface for increasing the contact surface between the weight piece and the underwater silt.
The beneficial effects of the invention are as follows:
when the sampling device is used, the counterweight and the sampling shell are placed in water, the counterweight pulls the sampling shell to vertically fall to the water bottom, the elastic component pulls the lifting component downwards in the falling process, at the moment, the sealing component plugs and seals the opening of the water inlet, when the counterweight moves downwards to the water bottom, the sampling shell moves downwards relative to the counterweight until the outer wall of the bottom of the sampling shell contacts with the top of the counterweight, meanwhile, the lifting component is pushed upwards by the pushing component, the sealing component is staggered with the opening of the water inlet, water with different water levels enters the inside of the sampling shell through the water inlet, sampling is achieved, the sampling shell is pulled upwards through the connecting component, at the moment, the elastic component pulls the lifting component downwards, the sealing component plugs the opening of the water inlet, meanwhile, the mounting component downwards moves along with the lifting component and downwards presses the extending component, the second pressing component downwards moves and extrudes the adjusting air bag, air in the adjusting air bag is pressed and injected into the sealing air bag through the air pipe, the sealing air bag is inflated and is large, the opening of the water inlet is further plugged, the opening of the water inlet is effectively blocked, and the effectiveness of layered sampling is effectively ensured.
Drawings
FIG. 1 is a schematic diagram of a sampling structure of a hydraulic loop geological survey sampling device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the hydraulic loop geological survey sampling device shown in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of the hydraulic loop geological survey sampling device shown in FIG. 1A according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a sampling housing of a hydraulic loop geological survey sampling device according to an embodiment of the present invention before and after sampling.
In the figure: 1-counterweight, 2-top-moving part, 3-elastic part, 4-water inlet, 5-lifting mechanism, 51-lifting part, 52-sealing part, 6-sampling shell, 7-protective cover, 8-limiting part, 9-baffle, 10-connecting part, 11-cleaning mechanism, 111-air outlet part, 112-mounting part, 113-air outlet hole, 114-cleaning part, 12-sealing air bag, 13-air inlet mechanism, 131-deformation air bag, 132-first pressing part, 14-adjusting mechanism, 141-extending part, 142-second pressing part and 143-adjusting air bag.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1 to 4, a hydraulic loop geological survey sampling device comprises a sampling shell 6, wherein a water inlet 4 is formed in the outer wall of the sampling shell 6 and is used for sampling; the inside of the sampling shell 6 is provided with a partition plate 9 for separating the inner space of the sampling shell 6 to realize sampling of water with different water levels, the outer wall of the sampling shell 6 is provided with a connecting piece 10, the sampling shell further comprises a weight piece 1 for ensuring that the sampling shell 6 can vertically fall to the water bottom, and the sampling shell further comprises a lifting mechanism 5, the lifting mechanism 5 comprises a lifting piece 51 which is movably arranged, and the side surface of the lifting piece 51 is provided with a sealing piece 52 through a mounting part for sealing the opening of the water inlet 4 before and after sampling;
the side of the weight piece 1, which is close to the sampling shell 6, is provided with a jacking piece 2, and the inside of the jacking piece 2 is connected with one end of a lifting piece 51 through an elastic part 3, so as to jack the lifting piece 51 upwards when the sampling shell 6 descends to the water bottom along with the weight piece 1;
the inner wall of the water inlet 4 is provided with a sealing air bag 12 for sealing the opening of the water inlet 4 before and after sampling;
an adjustment mechanism 14 for adjusting the size of the sealing airbag 12;
the adjusting mechanism 14 comprises an adjusting air bag 143 arranged in the hollow interior of the partition board 9, and further comprises a second pressing component 142 which is installed through an elastic component, wherein one side of the second pressing component 142 away from the adjusting air bag 143 is provided with an extending component 141, and one end position of the extending component 141 extending to the outer wall of the partition board 9 corresponds to the side surface of the installation component;
the inside of adjusting gasbag 143 is through the inside intercommunication of trachea and sealed gasbag 12, put into the aquatic with counterweight 1 and sampling shell 6 when using, counterweight 1 pulls sampling shell 6 and drops to the submarine with the vertical whereabouts in-process elastic component 3 downwards pulls lifter 51, sealing member 52 blocks up the opening of water inlet 4 this moment, when counterweight 1 moves down to the submarine, sampling shell 6 moves down relative counterweight 1, until the bottom outer wall of sampling shell 6 contacts with the top of counterweight 1, simultaneously top moving part 2 upwards pushes up lifter 51, sealing member 52 staggers with the opening of water inlet 4, the inside of sampling shell 6 is got into to different water levels through water inlet 4, the rethread connecting piece 10 upwards pulls sampling shell 6, at this moment elastic component 3 downwards pulls lifter 51, sealing member 52 blocks up the opening of water inlet 4, simultaneously the mounting member moves down along with lifter 51 and presses down extension 141, extension 141 moves down and extrudes adjusting member 143, the air in the adjusting gasbag 143 pours into the trachea and seals up the water inlet 12, the effective inflation of gasbag 4 is sealed, the effective inflation of gasbag is guaranteed.
As a preferred embodiment of the invention, the weight 1 is a stone, an iron block or the like, in this embodiment the preferred weight 1 is a stone.
As a preferred embodiment of the invention, the inside of the sealing air bag 12 is provided with an elastic piece, which is used for shrinking and resetting the inside of the sealing air bag 12 when the adjusting air bag 143 is not extruded, so that the air in the sealing air bag 12 is ensured to be timely injected into the adjusting air bag 143, and the opening of the water inlet 4 is effectively prevented from being blocked by the sealing air bag 12 during sampling.
As a preferred embodiment of the invention, the side of the counterweight 1 close to the sampling housing 6 is provided with a limiting member 8 for limiting and guiding the movement of the sampling housing 6 relative to the counterweight 1.
As a preferred embodiment of the present invention, the stopper 8 is a stopper ring, a stopper plate, or the like, and in this embodiment, the stopper 8 is preferably a stopper plate.
As a preferred embodiment of the invention, the limiting piece 8 is sleeved on the outer wall of the sampling shell 6, a guide groove is formed in one side, close to the sampling shell 6, of the limiting piece 8, a guide block is arranged on the outer wall of the sampling shell 6, and the outer diameter of the guide block is matched with the inner diameter of the guide groove.
As a preferred embodiment of the invention, the outer wall of the sampling housing 6 is provided with a shield 7 for filtering the water flowing to the water inlet 4.
As a preferred embodiment of the present invention, the shield 7 is a metal mesh enclosure, a plastic mesh enclosure, or the like, and in this embodiment, the preferred shield 7 is a metal mesh enclosure.
As a preferred embodiment of the present invention, a cleaning mechanism 11 is further included for cleaning the inner wall of the hood 7.
As a preferred embodiment of the present invention, the cleaning mechanism 11 includes a mounting member 112 connected to the limiting member 8, one end of the mounting member 112 extending into the protective cover 7 is provided with an air outlet member 111, one side of the air outlet member 111, which is close to the inner wall of the protective cover 7, is provided with a cleaning member 114 through an elastic member, and is used for driving the cleaning member 114 to brush the inner wall of the protective cover 7 when the sampling housing 6 is lifted relative to the counterweight member 1, and the limiting member 8 drives the air outlet member 111 and the cleaning member 114 to lift relative to the inner wall of the protective cover 7 when the sampling housing 6 is lifted relative to the counterweight member 1, so as to brush the inner wall of the protective cover 7.
As a preferred embodiment of the present invention, an air inlet mechanism 13 is further included for blowing air into the hollow air outlet member 111.
As a preferred embodiment of the present invention, the air intake mechanism 13 includes a first pressing member 132 mounted on the outer wall of the ejector 2, and a deformation air bag 131 is provided on the side of the first pressing member 132 close to the partition 9;
the inside of the deformation air bag 131 is communicated with the inside of the air outlet part 111 through a connecting pipe, and one end of the connecting pipe is connected with a one-way valve;
the air outlet hole 113 is formed in one side, close to the inner wall of the protective cover 7, of the air outlet part 111, when the lifting part 51 is lifted by the lifting part 2, the first pressing part 132 pushes the extrusion deformation air bag 131, air in the deformation air bag 131 is injected into the air outlet part 111, air flow is sprayed out of the air outlet hole 113 to blow and clean the inner wall of the protective cover 7, the cleaning effect on the inner wall of the protective cover 7 is improved, and when the lifting part 51 is separated from the lifting part 2 by the one-way valve, water flows into the deformation air bag 131 from the air outlet hole 113 and the connecting pipe.
As a preferred embodiment of the invention, the side of the weight piece 1 away from the sampling shell 6 is an arc-shaped surface, which is used for increasing the contact surface between the weight piece 1 and the underwater silt, so that the weight piece 1 is effectively prevented from being sunk into the underwater silt.
When the water sampling device is used, the weight piece 1 and the sampling shell 6 are placed in water, the weight piece 1 pulls the sampling shell 6 to vertically drop to the water bottom, the elastic component 3 pulls the lifting piece 51 downwards in the dropping process, the sealing piece 52 plugs and seals the opening of the water inlet 4, when the weight piece 1 moves downwards to the water bottom, the sampling shell 6 moves downwards relative to the weight piece 1 until the bottom outer wall of the sampling shell 6 contacts with the top of the weight piece 1, meanwhile, the jacking piece 2 jacks up the lifting piece 51, the sealing piece 52 is staggered with the opening of the water inlet 4, water with different water levels enters the inside of the sampling shell 6 through the water inlet 4 to realize sampling, the sampling shell 6 is pulled upwards through the connecting piece 10, at the moment, the elastic component 3 pulls the lifting piece 51 downwards, the sealing piece 52 plugs the opening of the water inlet 4, meanwhile, the mounting component moves downwards along with the lifting piece 51 and presses down the extension piece 141, the extension piece 141 pushes the second pressing component 142 downwards and presses the adjusting air bag 143, air in the adjusting air bag 143 is pressed and injected into the sealing 12 through the air pipe, the sealing 12 is inflated, the opening of the air bag is inflated, and the opening of the water inlet 4 is further plugged, the effectiveness of sampling device is ensured; when the sampling shell 6 is lifted relative to the counterweight 1, the limiting piece 8 drives the air outlet part 111 and the cleaning part 114 to lift relative to the inner wall of the protective cover 7, so that brushing cleaning of the inner wall of the protective cover 7 is realized; when the lifting member 51 is lifted by the lifting member 2, the first pressing member 132 pushes the extrusion deformation air bag 131, air in the deformation air bag 131 is injected into the air outlet member 111, air flow is ejected from the air outlet hole 113 to blow and clean the inner wall of the protective cover 7, the cleaning effect on the inner wall of the protective cover 7 is improved, and when the lifting member 51 is separated from the lifting member 2 by the one-way valve, water flow flows into the deformation air bag 131 from the air outlet hole 113 and the connecting pipe.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The sampling equipment for the hydraulic engineering ring geological survey comprises a sampling shell, wherein the outer wall of the sampling shell is provided with a water inlet for sampling; the inside of the sampling shell is provided with a baffle plate for separating the inner space of the sampling shell, the outer wall of the sampling shell is provided with a connecting piece and also comprises a weight piece, and the sampling shell is characterized by further comprising a lifting mechanism, wherein the lifting mechanism comprises a lifting piece which is movably arranged, and the side surface of the lifting piece is provided with a sealing piece through a mounting part for sealing the opening of the water inlet before and after sampling;
the weight piece is provided with a jacking piece at one side close to the sampling shell, the inside of the jacking piece is connected with one end of the lifting piece through an elastic part, and the jacking piece is used for jacking up when the sampling shell descends to the water bottom along with the weight piece;
the inner wall of the water inlet is provided with a sealing air bag which is used for sealing the opening of the water inlet before and after sampling;
the adjusting mechanism is used for adjusting the size of the sealing air bag;
the adjusting mechanism comprises an adjusting air bag arranged in the hollow of the partition board and a second pressing component arranged through an elastic component, one side of the second pressing component, which is far away from the adjusting air bag, is provided with an extending component, and the position of one end of the extending component, which extends to the outer wall of the partition board, corresponds to the side surface of the mounting component;
the interior of the regulating air bag is communicated with the interior of the sealing air bag through an air pipe.
2. A hydraulic loop geological survey sampling apparatus according to claim 1, wherein the interior of the sealing bladder is provided with resilient members for collapsing and resetting the interior of the sealing bladder when the regulating bladder is not squeezed.
3. A hydraulic loop geological survey sampling apparatus according to claim 2, wherein a side of the weight member adjacent the sampling housing is provided with a stop member for limiting and guiding movement of the sampling housing relative to the weight member.
4. A hydraulic loop geological survey sampling device according to claim 3, wherein the limiting member is sleeved on the outer wall of the sampling shell, a guide groove is formed in one side, close to the sampling shell, of the limiting member, a guide block is arranged on the outer wall of the sampling shell, and the outer diameter of the guide block is matched with the inner diameter of the guide groove.
5. A hydraulic loop geological survey sampling apparatus according to claim 4, wherein the outer wall of the sampling housing is provided with a shield for filtering water flowing to the water inlet.
6. A hydraulic loop geological survey sampling apparatus according to claim 5, and further comprising a cleaning mechanism for cleaning the inner wall of the shield.
7. The hydraulic loop geological survey sampling device of claim 6, wherein the cleaning mechanism comprises a mounting part connected with the limiting part, an air outlet part is arranged at one end of the mounting part extending to the inside of the protective cover, and a cleaning part is arranged at one side of the air outlet part, which is close to the inner wall of the protective cover, through an elastic part and is used for driving the cleaning part to brush and clean the inner wall of the protective cover when the sampling shell is lifted relative to the counterweight part.
8. A hydraulic loop geological survey sampling apparatus according to claim 7, and further comprising air inlet means for blowing air into the hollow air outlet member.
9. The hydraulic loop geological survey sampling device of claim 8, wherein the air inlet mechanism comprises a first pressing component arranged on the outer wall of the top moving part, and a deformation air bag is arranged on one side of the first pressing component, which is close to the partition plate;
the inside of the deformation air bag is communicated with the inside of the air outlet component through a connecting pipe, and one end of the connecting pipe is connected with a one-way valve;
one side of the air outlet part, which is close to the inner wall of the protective cover, is provided with an air outlet hole.
10. A hydraulic loop geological survey sampling apparatus according to claim 9, wherein the side of the weight remote from the sampling housing is arcuate for increasing the contact surface of the weight with the water bottom mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526633.2A CN114199626B (en) | 2021-12-14 | 2021-12-14 | Hydraulic loop geological survey sampling equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526633.2A CN114199626B (en) | 2021-12-14 | 2021-12-14 | Hydraulic loop geological survey sampling equipment |
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| CN114199626A CN114199626A (en) | 2022-03-18 |
| CN114199626B true CN114199626B (en) | 2024-01-09 |
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| CN115162429B (en) * | 2022-07-25 | 2023-04-11 | 中建二局第三建筑工程有限公司 | Foundation pit settlement monitoring device |
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| CN210375819U (en) * | 2019-08-16 | 2020-04-21 | 天津市环境保护科学研究院 | Water quality testing sampling device |
| CN210513786U (en) * | 2019-09-20 | 2020-05-12 | 山东省物化探勘查院 | Multilayer groundwater sampling device in hydrogeology hole |
| CN211627037U (en) * | 2019-12-30 | 2020-10-02 | 刘良昀 | Groundwater sample thief for hydraulic engineering ring geological engineering |
| CN211553402U (en) * | 2020-01-15 | 2020-09-22 | 王同华 | Hydraulic ring investigation sampling device |
| CN212075016U (en) * | 2020-03-16 | 2020-12-04 | 天津宏科环境保护服务有限公司 | Sample storage device for water quality testing |
| CN212586029U (en) * | 2020-04-24 | 2021-02-23 | 秦汉英 | Sampling device for sewage treatment |
| CN112326336A (en) * | 2020-10-31 | 2021-02-05 | 山东安和安全技术研究院有限公司 | Water sample extraction element based on ecological detection in river course |
| CN214224636U (en) * | 2021-01-30 | 2021-09-17 | 辽宁省地质矿产调查院有限责任公司 | Groundwater collector for hydraulic engineering ring geological engineering |
| CN214844159U (en) * | 2021-02-04 | 2021-11-23 | 胡海燕 | Water sampling device capable of sampling for multiple times |
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| CN114199626A (en) | 2022-03-18 |
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