CN116429511A - Soil solution layering sampling device - Google Patents
Soil solution layering sampling device Download PDFInfo
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- CN116429511A CN116429511A CN202310416342.0A CN202310416342A CN116429511A CN 116429511 A CN116429511 A CN 116429511A CN 202310416342 A CN202310416342 A CN 202310416342A CN 116429511 A CN116429511 A CN 116429511A
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- drill bit
- soil solution
- tube
- soil
- negative pressure
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- 239000002689 soil Substances 0.000 title claims abstract description 72
- 238000005070 sampling Methods 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 1
- 125000003003 spiro group Chemical group 0.000 claims 1
- 239000010410 layer Substances 0.000 description 13
- 238000000605 extraction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- 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
-
- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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 belongs to the technical field of soil solution collection, and particularly relates to a soil solution stratified sampling device which comprises a drill body, a sampling piece, a collecting assembly and a negative pressure air suction assembly, wherein the sampling piece is positioned in the drill body, the collecting assembly is connected with the sampling piece and used for collecting soil solution, the negative pressure air suction assembly is connected with the collecting assembly and used for extracting negative pressure, the drill body comprises a hollow drill bit, a positioning block is arranged on the inner wall of the drill bit, a plurality of first reserved holes are formed in the drill bit, a slot is axially formed in the drill bit, a sealing plate is slidably mounted in the slot, a second reserved hole corresponding to the first reserved holes is formed in the sealing plate, the sampling piece comprises an arc fixing plate and a movable strip, a plurality of sleeves with first sliding grooves are obliquely mounted on the arc fixing plate, and a sampler is penetrated into the sleeves and used for solving the problem that the actual soil solution sample is difficult to be obtained due to serious damage of a soil original structure when the soil solution is sampled at present.
Description
Technical Field
The invention belongs to the technical field of soil solution collection, and particularly relates to a soil solution layered sampling device.
Background
Soil solutions are a generic term for soil moisture and its contained solutes and suspended matter, and contain various soluble salts, nutrients, contaminants, and the like. The soil solution is used as a medium for connecting water-soil-plants in a land surface layer system, various components of the soil solution are continuously exchanged among water, soil and plants, a series of ecological, hydrological and bio-geochemical processes of the soil layer are reflected, and the soil solution is an important content for ecological environment monitoring and research. The collection of the soil solution has important significance for researching pollutant migration, plant growth condition assessment and soil hydrologic process. The in-situ layered extraction of the soil solution is particularly important because of the strong space-time heterogeneity of soil moisture and soil properties. The current common layered soil solution collecting method is that holes with different depths are drilled on the same plane through a perforating machine, then a porous filter head is buried into different soil layers, soil is backfilled, and the soil solution is extracted under the negative pressure state. However, this method is time consuming and laborious, damages the original structure of the soil, and is not collected on the same soil profile, and it is difficult to obtain true soil solution samples at different depths. In addition, the device external diameter of multilayer sampling is great and need use punching machine to put into sampling device again and extract negative pressure on soil layer in installation sampling device, is inconvenient for field operation to carry.
Disclosure of Invention
Based on the problems mentioned in the background art, the invention provides a soil solution stratified sampling device, which is used for solving the problems that the original soil structure is seriously damaged when the soil sampling is carried out at present, the actual soil solution sample is difficult to obtain, and meanwhile, the use of the existing stratified sampling device is mostly dependent on various drilling equipment, so that the stratified sampling device is inconvenient to carry in field operation.
The technical scheme adopted by the invention is as follows:
the utility model provides a soil solution layering sampling device, includes the boring body, sampling piece, collection subassembly and negative pressure bleed subassembly, and the sampling piece is located the boring body, and collection subassembly is connected to the collection subassembly and is used for collecting soil solution, negative pressure bleed subassembly is connected the collection subassembly and is used for extracting the negative pressure, the boring body includes hollow drill bit and cone cover, through the screw connection between cone cover and the drill bit, the drill bit inner wall is equipped with the locating piece, has seted up a plurality of first preformed holes on the drill bit, the slot has been seted up to the axial on the drill bit, slidable mounting has the shrouding in the slot, set up the second preformed holes corresponding with first preformed holes on the shrouding, the sampling piece includes fixed arc board and movable strip, the slope is installed a plurality of sleeves that have first spout on the fixed arc board, wear to be equipped with the sampler in the sleeve, the sampler includes sampling tube and ceramic filter head, the sampling tube is connected with the catheter, and collection subassembly are connected, install a plurality of clamps that constitute by last clamping strip and lower clamping strip on the movable strip, the clamping piece is located first spout, clamping strip is located the tip, and is equipped with the second thread sleeve is equipped with on the sliding table and is equipped with the screw thread sleeve from the top to the sleeve, the screw thread sleeve is equipped with on the sliding guide pin.
Based on the technical scheme, the invention also improves the following steps:
further, the outer diameter of the drill bit is 10 cm-12 cm, and the inclination angle of the sleeve is 50-60 degrees. The telescopic inclination angle is great can set up longer sampler, and is less to the drill bit external diameter influence in the drill bit deep into the soil layer of being convenient for simultaneously, and open-air carrying is comparatively convenient.
Further, a force application pipe is arranged on the outer wall of the drill bit, and a force application rod is arranged in the force application pipe in a penetrating mode. The drill bit is conveniently rotated through the force application rod, and meanwhile, the force application rod is convenient to disassemble and assemble and suitable for carrying in field operation.
Further, a reserved groove is formed in the arc plate, a hanging rod is mounted on the sealing plate, and the hanging rod is located in the reserved groove. The hanging rod is convenient for moving the sealing plate, so that the first preformed hole corresponds to the second preformed hole.
Further, negative pressure bleed subassembly includes pump and articulated bed frame, movable frame each other, be equipped with the base on the bed frame, be equipped with the mounting bracket on the base, the pump includes urceolus and inner tube, is equipped with the piston on the inner tube and slides and wear to locate in the urceolus, the inner tube articulates on the mounting bracket, install the support on the urceolus, the support articulates with the movable frame, there are one-way discharge valve and air inlet on the inner tube, be connected with the exhaust tube on the air inlet, install the three-way pipe on the exhaust tube, the three-way pipe is connected with one-way admission valve, connector and manometer respectively, one-way admission valve is connected with the exhaust tube, collection subassembly includes bottle and lid, be equipped with two connecting pipes on the lid, install the valve on any connecting pipe. The inner cylinder is hinged on the mounting frame and cannot axially move, negative pressure can be formed when the movable frame is rotated to drive the outer cylinder to axially move, the pressure in the bottle body can continuously drop through the mutual cooperation of the one-way exhaust valve and the one-way air inlet valve when the movable frame is alternately rotated, the negative pressure suction is convenient, and the use is labor-saving.
Further, a torsion spring is arranged between the movable frame and the base, and a pedal is arranged on the movable frame. The movable frame can be driven to rotate through stepping on the pedal, and meanwhile, the movable frame can return automatically after stepping on under the action of the torsion spring, so that negative pressure extraction is more convenient.
Further, a socket is formed in the base frame, a carrier is arranged in the socket in a clamped mode, and the three-way pipe clamp is arranged in the carrier. After the loading platform is installed, the pressure gauge can be fixed through the three-way pipe, so that the pressure gauge is convenient to observe.
The invention has the beneficial effects that:
1. the soil solutions with different depths can be sampled by arranging the plurality of samplers, and after the drill body is put into the soil layer, the samplers obliquely extend out and are inserted into the soil, so that the original structure of the soil at the position of the samplers is not damaged, and the collection of the soil solution is not influenced;
2. the sampling assembly is arranged in the drill body, the outer diameter of the drill body is smaller, the sampling assembly can be fed into the soil layer by manually rotating the drill body, then the sampler extends out of the drill body to collect soil solution, and the drilling machine is not required to be carried during field operation, so that the field operation is convenient.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of a soil solution layered sampling device according to an embodiment of the present invention after being placed in a soil layer;
FIG. 2 is a schematic longitudinal section view of a soil solution layered sampling apparatus according to an embodiment of the present invention after being placed in a soil layer;
FIG. 3 is a schematic view of a longitudinal section of a drill body and a sample member according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure shown at 1 in FIG. 3;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3 at 2;
FIG. 6 is a schematic view of a drill bit according to an embodiment of the present invention;
FIG. 7 is a schematic view of a sample member according to an embodiment of the present invention;
FIG. 8 is a schematic diagram showing a split structure of a sample member according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a sliding table and a threaded sleeve according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a collection assembly and a negative pressure pumping assembly according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a negative pressure pumping assembly according to an embodiment of the present invention;
FIG. 12 is a schematic view of a longitudinal section of a negative pressure pumping assembly according to an embodiment of the present invention;
the main reference numerals are as follows:
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the soil solution stratified sampling device comprises a drill body 1, a sampling piece 2, a collecting assembly 3 and a negative pressure air extraction assembly 4, wherein the sampling piece 2 is positioned in the drill body 1, the collecting assembly 3 is connected with the sampling piece 2 for collecting soil solution, and the negative pressure air extraction assembly 4 is connected with the collecting assembly 3 for extracting negative pressure.
As shown in fig. 3, fig. 4 and fig. 6, the drill body 1 comprises a hollow drill bit 11 and a cone cover 10, the cone cover 10 is connected with the drill bit 11 through screws, a positioning block 13 is arranged on the inner wall of the drill bit 11, a plurality of first preformed holes 111 are formed in the drill bit 11, a slot 14 is axially formed in the drill bit 11, a sealing plate 26 is slidably mounted in the slot 14, a second preformed hole 261 corresponding to the first preformed holes 111 is formed in the sealing plate 26, when the drill bit 11 is required to be drilled into a soil layer 01, the sealing plate 26 is moved to enable the first preformed holes 111 and the second preformed holes 261 to be misplaced so as to prevent soil from entering the drill bit 11, and after the drill bit 11 penetrates into soil, the sealing plate 26 is moved so that the first preformed holes 111 and the second preformed holes 261 are communicated;
as shown in fig. 4, 7 and 8, the sampling element 2 comprises an arc fixing plate 21 and a movable strip 25, wherein a plurality of sleeves 22 with first sliding grooves 221 are obliquely arranged on the arc fixing plate 21, and a sampler 24 is penetrated in each sleeve 22, wherein the outer diameter of the drill bit 11 is 10-12 cm, the inclination angle range of each sleeve 22 is 50-60 degrees, in the embodiment, the outer diameter size of the drill bit 11 is preferably 10cm, the inclination angle of each sleeve 22 is preferably 55 degrees, longer samplers 24 can be arranged when the inclination angle of each sleeve 22 is larger, and meanwhile, the influence on the outer diameter of the drill bit 11 is smaller, so that the drill bit 11 can conveniently penetrate into a soil layer 01, and the field carrying is more convenient; the sampler 24 comprises a sampling tube 241 and a ceramic filter head 242, the sampling tube 241 is connected with a liquid guide pipe, the liquid guide pipe is connected with the collecting assembly 3, after negative pressure is extracted from the collecting assembly 3, soil solution can be extracted through the ceramic filter head 242 and enter the sampling tube 241, then the soil solution is sucked into the collecting assembly 3 through the liquid guide pipe, a plurality of clamping pieces consisting of an upper clamping strip 251 and a lower clamping strip 252 are arranged on the movable strip 25, the clamping pieces are positioned in the first sliding groove 221, the end part of the sampling tube 241 is positioned between the upper clamping strip 251 and the lower clamping strip 252, a pin 253 is arranged between the upper clamping strip 251 and the sampling tube 241 in a penetrating manner, the sampler 24 can be driven to extend out of the drill bit 11 along the sleeve 22 through the lower clamping strip 252 by pulling up the movable strip 25, and the sampler 24 can be driven to move into the drill bit 11 along the sleeve 22 through the upper clamping strip 251 and the pin 253 by moving down the movable strip 25;
as shown in fig. 5 and 9, the guide rod 254 is installed at the top end of the movable bar 25, the cover 27 is installed on the drill bit 11, the second chute 271 and the pipe groove 272 are provided on the cover 27, the catheter passes out of the drill bit 11 from the pipe groove 272, the sliding table 281 is installed in the second chute 271, the threaded sleeve 282 is screwed on the sliding table 281, the hexagonal sleeve 283 is arranged at the top end of the threaded sleeve 282, the threaded sleeve 282 is sleeved on the guide rod 254, the guide rod 254 is provided with the limit pin 255 on the top end of the threaded sleeve 282, the threaded sleeve 282 can be moved axially on the sliding table 281 to drive the movable bar 25 to rise by rotating the hexagonal sleeve 283 by using a wrench, and the movable bar 25 moves along with the sampler 24 when rising so that the sliding table 281 does not bend the movable bar 25.
Specifically, as shown in fig. 2 and 6, the outer wall of the drill bit 11 is provided with a force application pipe 12, a force application rod 121 is penetrated in the force application pipe 12, the drill bit 11 is conveniently rotated by the force application rod 121, and meanwhile, the force application rod 121 is convenient to assemble and disassemble and is suitable for carrying in field operation.
Specifically, as shown in fig. 3, a reserved groove 210 is formed in the arc plate 21, a hanging rod 262 is mounted on the sealing plate 26, the hanging rod 262 is located in the reserved groove 210, and the hanging rod 262 is convenient for moving the sealing plate 26 to enable the first reserved hole 111 to correspond to the second reserved hole 261.
As shown in fig. 10 to 12, the negative pressure air extraction assembly 4 comprises an air extraction cylinder, a base frame 41 and a movable frame 42 which are hinged with each other, wherein a base 411 is arranged on the base frame 41, a mounting frame 43 is arranged on the base 411, the air extraction cylinder comprises an outer cylinder 45 and an inner cylinder 44, a piston is arranged on the inner cylinder 44 and is arranged in the outer cylinder 45 in a sliding manner, the inner cylinder 44 is hinged on the mounting frame 43 so that the inner cylinder 44 cannot axially move, a bracket 451 is arranged on the outer cylinder 45, the bracket 451 is hinged with the movable frame 42, and the outer cylinder 45 can be driven to axially move along the inner cylinder 44 by rotating the movable frame 42 to form negative pressure; the inner cylinder 44 is provided with a one-way exhaust valve 442 and an air inlet 441, the air inlet 441 is connected with an exhaust pipe 46, the exhaust pipe 46 is provided with a three-way pipe 48, the three-way pipe 48 is respectively connected with a one-way air inlet valve 481, a connector 461 and a pressure gauge 49, the one-way air inlet valve 481 is connected with the exhaust pipe 46, the collecting assembly 3 comprises a bottle body 31 and a cover body 32, the cover body 32 is provided with two connecting pipes 33, and the valve 34 is arranged on any connecting pipe 33. The inner cylinder 44 is hinged on the mounting frame 43 and cannot axially move, the movable frame 42 can be rotated to extract negative pressure after the valve 34 is opened, then the movable frame 42 can be rotated to discharge air generated by the return of the outer cylinder 45 from the one-way exhaust valve 442 without affecting the internal pressure of the bottle 31, and the pressure in the bottle 31 can be continuously reduced by mutually matching the one-way exhaust valve 442 with the one-way intake valve 481 when the movable frame 42 is alternately rotated, so that the negative pressure suction is convenient and the use is more labor-saving.
As shown in fig. 11, a torsion spring 422 is installed between the movable frame 42 and the base 411, a pedal 421 is installed on the movable frame 42, and the movable frame 42 can be driven to rotate by stepping on the pedal 421, and meanwhile, under the action of the torsion spring 422, the movable frame 42 can return to the original position after stepping on, so that negative pressure extraction is more convenient.
As shown in fig. 10 and 11, the base frame 41 is provided with a socket 412, a carrier 47 is clamped in the socket 412, a tee pipe 48 is clamped in the carrier 47, and a pressure gauge 49 can be fixed and conveniently observed through the tee pipe 48 after the carrier 47 is installed.
When sampling, firstly, the cone cover 10 is taken down, the drill bit 11 is used for taking out soil and punching, when the drill bit 11 goes deep underground, the soil enters the drill bit 11, and the drill bit 11 is taken out to take out the soil for punching. Then each sampler 24 is put into the sleeve 22, then each upper clamping strip 251 and each lower clamping strip 252 on the movable strip 25 are clamped on the sampling tube 241 and are provided with the pin 253 to complete the assembly of the sampling piece 2, then the assembled sampling piece 2 is put into the drill bit 11 after soil carried out of the drill bit 11 is cleared, each liquid guide pipe penetrates into the pipe groove 272, then the sealing plate 26 is put into the slot 14 and covers the cover body 27, then the threaded sleeve 282 is sleeved on the guide rod 254, the sliding table 281 is put into the second sliding groove 271 and is provided with the limiting pin 255, then the drill bit 11 is rotated into the soil layer 01, the upper pulling sealing plate 26 is contacted with the cover body 27 to enable the first preformed hole 111 and the second preformed hole 261 to correspond, then the wrench is used for rotating the threaded sleeve 282 to extend the sampler 24 out of the drill bit 11 into the soil layer 01, then the bottle 31 is respectively connected to each liquid guide pipe to indicate the depth of each bottle 31 corresponding to the sampler 24, then the connector 461 of the negative pressure pumping assembly 4 is singly connected with the collecting assembly 3, after the valve 34 is opened, the valve 421 is repeatedly stepped on, the negative pressure pedal 421 is repeatedly pumped into the target pedal 421, and then the negative pressure assembly is closed, and the other negative pressure assembly can be collected after the negative pressure is reached, and the solution can be completely collected after the negative pressure is sucked into the soil assembly 3.
The soil solution stratified sampling device provided by the invention is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (7)
1. The utility model provides a soil solution layering sampling device, includes bores body (1), sample piece (2), collection subassembly (3) and negative pressure bleed subassembly (4), and sample piece (2) are located bores body (1), collect subassembly (3) and connect sample piece (2) and be used for collecting soil solution, and collection subassembly (3) are connected to negative pressure bleed subassembly (4) are used for extracting negative pressure, its characterized in that: the drill body (1) comprises a hollow drill bit (11) and a cone cover (10), a positioning block (13) is arranged on the inner wall of the drill bit (11), a plurality of first preformed holes (111) are formed in the drill bit (11), a slot (14) is formed in the drill bit (11) in the axial direction, a sealing plate (26) is arranged in the slot (14) in a sliding mode, a second preformed hole (261) corresponding to the first preformed holes (111) is formed in the sealing plate (26), the sampling piece (2) comprises an arc fixing plate (21) and a movable strip (25), a plurality of sleeves (22) with first sliding grooves (221) are obliquely arranged on the arc fixing plate (21), a sampler (24) is arranged in the sleeves (22) in a penetrating mode, the sampler (24) comprises a sampling tube (241) and a ceramic filter head (242), the sampling tube (241) is connected with a liquid guide tube, the liquid guide tube is connected with a collecting assembly (3), a plurality of clamping pieces (251) which are arranged on the movable strip (25) and are composed of an upper clamping piece (251) and a lower clamping piece (252), the clamping piece (252) which is positioned between the upper clamping piece (251) and the lower clamping piece (252) and the upper end portion (252), guide arm (254) are installed on movable strip (25) top, install lid (27) on drill bit (11), second spout (271) and tube groove (272) have been seted up on lid (27), and outside drill bit (11) were worn out from tube groove (272) to the catheter, install slip table (281) in second spout (271), the spiro union has screw sleeve (282) on slip table (281), screw sleeve (282) top is equipped with hexagon socket (283), screw sleeve (282) cover is established on guide arm (254), guide arm (254) wear to be equipped with spacer pin (255) in screw sleeve (282) top.
2. A soil solution stratified sampling apparatus as claimed in claim 1, wherein: the outer diameter of the drill bit (11) is 10 cm-12 cm, and the inclination angle of the sleeve (22) is 50-60 degrees.
3. A soil solution stratified sampling apparatus as claimed in claim 2, wherein: shi Liguan (12) is arranged on the outer wall of the drill bit (11), and a force application rod (121) is arranged in the force application pipe (12) in a penetrating mode.
4. A soil solution stratified sampling apparatus as claimed in claim 3, wherein: the arc plate (21) is provided with a reserved groove (210), the sealing plate (26) is provided with a hanging rod (262), and the hanging rod (262) is positioned in the reserved groove (210).
5. A soil solution stratified sampling apparatus as claimed in claim 1, wherein: negative pressure bleed subassembly (4) are including taking out inflator and articulated bed frame (41) each other, movable frame (42), be equipped with base (411) on bed frame (41), be equipped with mounting bracket (43) on base (411), the inflator includes urceolus (45) and inner tube (44), is equipped with the piston on inner tube (44) and slides and wear to locate in urceolus (45), inner tube (44) articulate on mounting bracket (43), install support (451) on urceolus (45), support (451) are articulated with movable frame (42), there are check exhaust valve (442) and air inlet (441) on inner tube (44), be connected with exhaust tube (46) on air inlet (441), install three-way pipe (48) on exhaust tube (46), three-way pipe (48) are connected with one-way admission valve (481), connector (461) and manometer (49) respectively, one-way admission valve (481) are connected with exhaust tube (46), collection subassembly (3) include bottle (31) and lid (32), be equipped with two connecting pipes (33) on lid (32).
6. The soil solution stratified sampling apparatus as claimed in claim 5, wherein: a torsion spring (422) is arranged between the movable frame (42) and the base (411), and a pedal (421) is arranged on the movable frame (42).
7. The soil solution stratified sampling apparatus as claimed in claim 6, wherein: the base frame (41) is provided with a socket (412), a carrier (47) is clamped in the socket (412), and the three-way pipe (48) is clamped in the carrier (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310416342.0A CN116429511A (en) | 2023-04-18 | 2023-04-18 | Soil solution layering sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310416342.0A CN116429511A (en) | 2023-04-18 | 2023-04-18 | Soil solution layering sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116429511A true CN116429511A (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310416342.0A Pending CN116429511A (en) | 2023-04-18 | 2023-04-18 | Soil solution layering sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116429511A (en) |
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2023
- 2023-04-18 CN CN202310416342.0A patent/CN116429511A/en active Pending
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