CN116296607A - Sampler for ground water in field environment investigation - Google Patents
Sampler for ground water in field environment investigation Download PDFInfo
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- CN116296607A CN116296607A CN202310109683.3A CN202310109683A CN116296607A CN 116296607 A CN116296607 A CN 116296607A CN 202310109683 A CN202310109683 A CN 202310109683A CN 116296607 A CN116296607 A CN 116296607A
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- 239000003673 groundwater Substances 0.000 title claims abstract description 17
- 238000011835 investigation Methods 0.000 title claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 34
- 230000007613 environmental effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- 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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Hydrology & Water Resources (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a sampler for ground environment investigation groundwater, which belongs to the field of water quality monitoring equipment and comprises a plurality of annular sampling seats distributed along the vertical direction, wherein a plurality of sampling cylinders are distributed on each annular sampling seat along the circumferential direction of the annular sampling seats, a connecting rod is arranged between every two adjacent annular sampling seats, lifting lugs are arranged on the annular sampling seats positioned at the top, each sampling cylinder comprises a cylinder body and a piston core rod tightly embedded in the cylinder body, a plurality of water supply inlet through holes are formed in the bottom of the cylinder body, and a driving mechanism for driving the plurality of piston core rods to synchronously move along the length direction of the cylinder body is arranged on each annular sampling seat. The invention can collect a plurality of water samples at different depths and different positions at one time, thereby improving the sampling efficiency.
Description
Technical Field
The invention relates to the technical field of water quality monitoring equipment, in particular to a sampler for ground water in site environment investigation.
Background
The underground water-bearing layer is polluted and diffused along with the infiltration of a large amount of chemical substances and pollutants generated by human activities and the flowing of the underground water, so that part of urban shallow underground water cannot be directly drunk, and the quality and flow field of the underground water are greatly influenced due to the rising of large-scale mining activities. In order to ensure the quality of the underground water, a professional is required to sample and detect the underground water through a sampler, so that the water quality safety of the underground water is ensured.
The Chinese patent with the authorized bulletin number of CN203479575U discloses a fixed-depth groundwater sampler, which comprises a sampling tube, wherein the lower end of the sampling tube is provided with a water inlet; the upper end of the sampling tube is provided with a tube extension part, an upper movable block is arranged in the tube extension part, the inner diameter of the tube extension part is larger than that of the sampling tube, and the diameter of the upper movable block is larger than that of the sampling tube; the top of the upper movable block is fixedly connected with an upper lead; the lower end of the sampling tube is provided with a water taking control part, and the upper movable block is connected with the water taking control part through a lead; the top of the sampling tube is fixed with a draw rope, and the draw rope is provided with scales.
According to the technical scheme, sampling can be performed at one point position at a time, when sampling is required at different depths and different positions, the sampling step is required to be repeated, and the operation is complex and the sampling efficiency is low.
Disclosure of Invention
The invention aims to provide a sampler for ground water in field environment investigation, which can collect a plurality of water samples at different depths and different positions at one time, thereby improving the sampling efficiency.
The embodiment of the invention is realized by the following technical scheme: the utility model provides a field environmental survey sampler for groundwater, includes a plurality of annular sampling seat that distribute along vertical direction, every all distribute along self circumferencial direction on the annular sampling seat has a plurality of sampling tubes, two adjacent be provided with the connecting rod between the annular sampling seat, be provided with the lug on the annular sampling seat that is located the top, the sampling tube includes the barrel and closely inlays the piston core bar of establishing in the barrel, a plurality of through-holes that water supply got into have been seted up to the bottom of barrel, be provided with the actuating mechanism that is used for driving the synchronous length direction along the barrel of many piston core bars on the annular sampling seat.
Further, the driving mechanism comprises a driving ring and a driving air cylinder, the driving ring is located right above the annular sampling seat, the driving air cylinder is fixedly arranged on the annular sampling seat, and a piston rod of the driving air cylinder is fixedly connected with the driving ring.
Further, the bottom of barrel is provided with the stopper, the stopper includes the seat that blocks, block and be provided with on the seat and block the sleeve, block telescopic internal diameter and equal to the external diameter of barrel, block and be connected with the pressure spring between seat and the barrel, be provided with on the drive ring and be used for driving the compression spring compression so that block sleeve cover and establish the traction element to the barrel.
Further, the traction piece comprises two traction rods and two traction ropes, the two traction rods are respectively arranged on the inner side wall and the outer side wall of the driving ring, one end of each traction rope is fixedly connected to the traction rod, and the other end of each traction rope is fixedly connected to the blocking sleeve.
Further, a water outlet pipe is arranged at one side of the bottom of the blocking sleeve, one end of the water outlet pipe is communicated with the blocking sleeve, and a plunger is arranged at the other end of the water outlet pipe.
Further, an internal thread is arranged on the water outlet pipe, an external thread is arranged at one end of the plunger and is in threaded connection with the water outlet pipe, and a rotating handle is arranged at one end of the plunger, which faces the outside of the water outlet pipe.
Further, the connecting rod comprises a first supporting rod and a second supporting rod, a through groove is formed in the first supporting rod, the second supporting rod is arranged in the through groove in a sliding mode, a positioning pin is arranged on the first supporting rod, and a plurality of positioning holes for inserting the positioning pin are distributed in the second supporting rod along the length direction of the second supporting rod.
Further, the bottom surface of the annular sampling seat at the bottom is provided with a plurality of supporting columns along the circumferential direction of the bottom surface, and the bottom ends of the supporting columns are provided with supporting cushion blocks.
The technical scheme of the embodiment of the invention has at least the following advantages and beneficial effects:
1. according to the invention, the plurality of annular sampling seats are arranged and distributed along the vertical direction, so that the plurality of sampling cylinders on the same annular sampling seat can sample at different positions of the same horizontal height, and the sampling cylinders on different annular sampling seats can sample at different heights, so that a plurality of water samples can be collected at different depths and different positions at one time.
2. According to the invention, the blocking piece and the traction piece are arranged, and the traction piece drives the blocking piece to block the bottom of the sampling tube, so that the water sample in the tube and surrounding water bodies are prevented from being disturbed, and the accuracy of the acquired water sample is prevented from being influenced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a sampler for ground water for site environmental investigation;
FIG. 2 is a schematic view of the mounting structure of the sampling tube and the driving mechanism on the annular seat according to the present invention;
FIG. 3 is a schematic diagram of the structure of the piston rod and the cylinder according to the present invention;
FIG. 4 is a schematic view of the mounting structure of the blocking member and the pulling member on the barrel of the present invention;
FIG. 5 is a schematic view of the structure of the connecting rod of the present invention;
icon: 1-annular sampling seat, 11-lifting lug, 111-hanging plate, 112-hanging ring, 12-supporting column, 121-supporting cushion block, 2-sampling tube, 21-cylinder, 22-piston core bar, 221-piston part, 222-core bar part, 23-blocking piece, 231-blocking seat, 232-blocking sleeve, 2321-water outlet pipe, 2322-plunger, 2323-rotating handle, 233-pressure spring, 24-traction piece, 241-traction rod, 242-traction rope, 3-connecting rod, 31-first support rod, 311-locating pin, 32-second support rod, 321-locating hole, 4-driving mechanism, 41-driving ring, 42-driving cylinder.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention is further described below with reference to specific embodiments shown in fig. 1-5, and is a sampler for ground investigation groundwater, and referring to fig. 1 and 2, the sampler comprises a plurality of annular sampling seats 1 distributed along a vertical direction, a plurality of sampling cylinders 2 are distributed on each annular sampling seat 1 along a circumferential direction of the sampler, the sampling cylinders 2 located on the same annular sampling seat 1 can sample at different positions of the same horizontal height, and the sampling cylinders 2 on different annular sampling seats 1 can sample at different heights, so that a plurality of water samples can be collected at different depths and different positions at one time. A connecting rod 3 is arranged between two adjacent annular sampling seats 1, lifting lugs 11 are arranged on the annular sampling seats 1 at the top, each lifting lug 11 consists of a lifting plate 111 and a lifting ring 112, the lifting plates 111 are welded on the side walls of the annular sampling seats 1, and the lifting rings 112 are welded on the lifting plates 111 so as to be hung by a lifting hook of lifting equipment. The sampling tube 2 comprises a tube 21 and a piston core rod 22 tightly embedded in the tube 21, a plurality of water supply inlet through holes are formed in the bottom of the tube 21, and a driving mechanism 4 for driving the plurality of piston core rods 22 to synchronously move along the length direction of the tube 21 is arranged on the annular sampling seat 1. After the sampler is integrally lowered to a specified depth, the driving mechanism 4 is started to drive the piston core rod 22 to move outwards of the cylinder 21, namely negative pressure can be generated in the cylinder 21, a plurality of through holes formed in the bottom of the cylinder 21 can suck water samples of the specified depth into the cylinder 21, and a plurality of sampling cylinders 2 sample at a plurality of positions simultaneously, so that a plurality of water samples can be collected at one time.
Referring to fig. 3, the piston core 22 includes a piston portion 221 and a core portion 222, the piston portion 221 is made of an elastic material and is tightly embedded in the cylinder 21, the core portion 222 is fixedly connected to one end of the piston portion 221 facing the outside of the cylinder 21, the driving mechanism 4 includes a driving ring 41 and a driving cylinder 42, the driving ring 41 is located right above the annular sampling seat 1, the driving cylinder 42 is fixedly mounted on the annular sampling seat 1, a piston rod of the driving cylinder 42 is fixedly connected to the driving ring 41, and one end of the core portion 222 facing the outside of the cylinder 21 is welded to the driving ring 41. The driving cylinder 42 is started to drive the driving ring 41 to move upwards, the driving ring 41 can pull the core rod part 222 upwards, and in the process that the core rod part 222 drives the piston part 221 to move towards the outer direction of the cylinder 21, water samples can be sucked into the cylinder 21, so that the sampling process is realized.
Referring to fig. 1, a plurality of support columns 12 are distributed on the bottom surface of the annular sampling seat 1 at the bottom along the circumferential direction of the bottom, and support pads 121 are arranged at the bottom ends of the support columns 12. After the sampler is integrally moved out to the ground, the supporting column 12 can contact the ground and play a supporting role, and a worker can conveniently discharge the water sample collected in the cylinder 21 into a designated collecting container.
Referring to fig. 2 and 4, a blocking piece 23 is disposed at the bottom of the barrel 21, and the blocking piece 23 can cover the bottom of the barrel 21 after the barrel 21 is sampled, so as to avoid disturbance between the water sample in the barrel 21 and surrounding water during the whole sampling process of the sampler, and influence the accuracy of the acquired water sample. The blocking member 23 comprises a blocking seat 231, a blocking sleeve 232 is arranged on the blocking seat 231, the inner diameter of the blocking sleeve 232 is equal to the outer diameter of the cylinder 21, a pressure spring 233 is connected between the blocking seat 231 and the cylinder 21, and a traction member 24 for driving the pressure spring 233 to compress so that the blocking sleeve 232 is sleeved on the cylinder 21 is arranged on the driving ring 41. Under the condition of not being affected by external force, the pressure spring 233 enables the blocking sleeve 232 to be located below the cylinder 21, when the bottom of the cylinder 21 needs to be sealed, the traction piece 24 drives the blocking sleeve 232 to be sleeved outside the cylinder 21, namely, water samples in the cylinder 21 can be separated from surrounding water bodies, so that disturbance of the surrounding water bodies and the water samples in the cylinder 21 in the process of upward movement of the sampling cylinder 2 after sampling is completed is avoided, and sampling accuracy is improved.
Referring to fig. 4, the traction member 24 includes two traction rods 241 and two traction ropes 242, the two traction rods 241 are welded on the inner and outer sidewalls of the driving ring 41, respectively, one end of the traction rope 242 is fixedly connected to the traction rods 241, and the other end is fixedly connected to the blocking sleeve 232. When the driving ring 41 drives the piston core rod 22 to move upwards, the traction rod 241 pulls the traction rope 242 upwards and enables the blocking sleeve 232 to be sleeved on the cylinder 21, and when the piston core rod 22 moves to the limit position, the blocking sleeve 232 finishes the blocking effect on the cylinder 21, and the driving of the blocking sleeve 232 can be realized without adding a driving source.
Referring to fig. 4, a water outlet pipe 2321 is provided at one side of the bottom of the blocking sleeve 232, one end of the water outlet pipe 2321 is connected with the blocking sleeve 232, and a plunger 2322 is provided at the other end of the water outlet pipe 2321. When the sampler is integrally put into a water body, the plunger 2322 plugs the water outlet pipe 2321, so that the blocking sleeve 232 can separate the cylinder 21 from the outside; after wholly removing the sample thief from the water, will pull out plunger 2322 from outlet pipe 2321 to make the hydroenergy in the barrel 21 flow from outlet pipe 2321, the staff places collecting vessel to outlet pipe 2321 department and can conveniently collect the water sample, avoids when discharging the water sample in the barrel 21, and the water sample flows out from the clearance between barrel 21 and the barrier sleeve 232 and leads to the water sample to collect the effect not good.
The internal thread has been seted up on the outlet pipe 2321, and external screw thread and threaded connection are seted up to plunger 2322's one end on outlet pipe 2321, make plunger 2322 have higher stability on outlet pipe 2321 through threaded connection's mode, and plunger 2322 is equipped with rotation handle 2323 towards the outer one end of outlet pipe 2321, and staff's handheld rotation handle 2323 can conveniently rotate plunger 2322 to with plunger 2322 screw in outlet pipe 2321 or follow outlet pipe 2321 and unscrew.
Referring to fig. 5, the connecting rod 3 includes a first supporting rod 31 and a second supporting rod 32, the first supporting rod 31 is provided with a through groove, the second supporting rod 32 is slidably disposed in the through groove, the first supporting rod 31 is provided with a positioning pin 311, and the second supporting rod 32 is provided with a plurality of positioning holes 321 for inserting the positioning pin 311 along its length direction. Through changing the insertion quantity of second branch 32 in first branch 31 to insert locating pin 311 and establish in locating hole 321 in corresponding position, adjust the overall length of connecting rod 3, thereby conveniently change the interval between two annular sampling seat 1 as required, make the sampling tube 2 on the annular sampling seat 1 of difference can the interval appointed degree of depth take a sample.
The working process of the embodiment is as follows: the length of the connecting rod 3 is adjusted according to the sampling requirement so as to adjust the distance between the two annular sampling seats 1, so that the sampling barrels 2 on different annular sampling seats 1 can sample at specified depths at intervals. The sampler is integrally lowered to the designated depth through the lifting device, and then the driving mechanism 4 is started to drive the piston core rod 22 to move outwards of the cylinder 21, namely negative pressure can be generated in the cylinder 21, a plurality of through holes formed in the bottom of the cylinder 21 can suck water samples of the designated depth into the cylinder 21, and a plurality of sampling cylinders 2 sample at a plurality of positions simultaneously, so that a plurality of water samples are collected at one time. In the sampling, the traction piece 24 drives the blocking sleeve 232 to be sleeved outside the cylinder 21, namely, the water sample in the cylinder 21 can be separated from the surrounding water body, so that the disturbance of the surrounding water body and the water sample in the cylinder 21 in the process of upwards moving the sampling cylinder 2 after the sampling is finished is avoided, and the sampling accuracy is improved. After the sampling is completed, the sampler is integrally moved out of the water body and is supported by the support column 12 contacting the ground, so that a worker can conveniently discharge the water sample collected in the cylinder 21 into a designated collecting container.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a field environmental survey sampler for groundwater, includes a plurality of annular sampling seat (1) that distribute along vertical direction, every all distribute along self circumferencial direction on annular sampling seat (1) have a plurality of sampling tube (2), adjacent two be provided with connecting rod (3) between annular sampling seat (1), be located the top be provided with lug (11) on annular sampling seat (1), its characterized in that: the sampling tube (2) comprises a tube body (21) and a piston core rod (22) tightly embedded in the tube body (21), a plurality of water supply inlet through holes are formed in the bottom of the tube body (21), and a driving mechanism (4) for driving the piston core rods (22) to synchronously move along the length direction of the tube body (21) is arranged on the annular sampling seat (1).
2. The sampler for ground environment investigation groundwater according to claim 1, wherein: the driving mechanism (4) comprises a driving ring (41) and a driving air cylinder (42), wherein the driving ring (41) is positioned right above the annular sampling seat (1), the driving air cylinder (42) is fixedly arranged on the annular sampling seat (1), and a piston rod of the driving air cylinder (42) is fixedly connected with the driving ring (41).
3. The sampler for ground environmental survey groundwater of claim 2, wherein: the bottom of barrel (21) is provided with blocking piece (23), blocking piece (23) are including blocking seat (231), be provided with on blocking seat (231) and block sleeve (232), the internal diameter that blocks sleeve (232) equals the external diameter of barrel (21), be connected with pressure spring (233) between blocking seat (231) and barrel (21), be provided with on driving ring (41) and be used for driving pressure spring (233) compression so that block sleeve (232) cover and establish traction piece (24) to barrel (21).
4. A sampler for ground water for a site environmental survey according to claim 3 and characterized in that: the traction piece (24) comprises two traction rods (241) and two traction ropes (242), the two traction rods (241) are respectively arranged on the inner side wall and the outer side wall of the driving ring (41), one end of each traction rope (242) is fixedly connected to the traction rod (241), and the other end of each traction rope is fixedly connected to the blocking sleeve (232).
5. A sampler for ground water for a site environmental survey according to claim 3 and characterized in that: the water outlet pipe (2321) is arranged on one side of the bottom of the blocking sleeve (232), one end of the water outlet pipe (2321) is communicated with the blocking sleeve (232), and a plunger (2322) is arranged at the other end of the water outlet pipe (2321).
6. The sampler for ground environmental survey groundwater of claim 5, wherein: the novel water outlet pipe is characterized in that an internal thread is formed in the water outlet pipe (2321), an external thread is formed in one end of the plunger (2322) and is connected to the water outlet pipe (2321) in a threaded mode, and a rotary handle (2323) is arranged at one end, facing the outside of the water outlet pipe (2321), of the plunger (2322).
7. The sampler for ground environment investigation groundwater according to claim 1, wherein: the connecting rod (3) comprises a first supporting rod (31) and a second supporting rod (32), a through groove is formed in the first supporting rod (31), the second supporting rod (32) is arranged in the through groove in a sliding mode, positioning pins (311) are arranged on the first supporting rod (31), and a plurality of positioning holes (321) for inserting the positioning pins (311) are distributed in the second supporting rod (32) along the length direction of the second supporting rod.
8. The sampler for ground environment investigation groundwater according to claim 1, wherein: the bottom surface of the annular sampling seat (1) at the bottom is provided with a plurality of supporting columns (12) along the circumferential direction of the bottom surface, and the bottom ends of the supporting columns (12) are provided with supporting cushion blocks (121).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211527583 | 2022-12-01 | ||
| CN2022115275834 | 2022-12-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116296607A true CN116296607A (en) | 2023-06-23 |
| CN116296607B CN116296607B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310109683.3A Active CN116296607B (en) | 2022-12-01 | 2023-02-09 | Sampler for ground water in field environment investigation |
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