CN114152468B - Soil sampling equipment for hydrogeology reconnaissance - Google Patents
Soil sampling equipment for hydrogeology reconnaissance Download PDFInfo
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- CN114152468B CN114152468B CN202111467111.XA CN202111467111A CN114152468B CN 114152468 B CN114152468 B CN 114152468B CN 202111467111 A CN202111467111 A CN 202111467111A CN 114152468 B CN114152468 B CN 114152468B
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- 238000005527 soil sampling Methods 0.000 title claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 139
- 238000005070 sampling Methods 0.000 claims abstract description 67
- 239000002002 slurry Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000011835 investigation Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 44
- 238000007599 discharging Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009736 wetting Methods 0.000 claims description 2
- 206010044565 Tremor Diseases 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material 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
- 238000000926 separation method Methods 0.000 description 1
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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of hydrogeology, in particular to soil sampling equipment for hydrogeology investigation. The technical problems are as follows: the upper soil is relatively dry, the lower soil is relatively moist, vegetation and soil of the upper soil are difficult to separate, and sampling and collecting of the mud part below the water surface are difficult. The technical proposal is as follows: the soil sampling equipment for hydrogeology investigation comprises a lower layer sampling unit, a rotary sampling unit and the like; the lower part of the lower sampling unit is connected with a rotary sample outlet unit for taking out the slurry sample. According to the invention, the upper soil and the lower soil in the marsh are sampled in a grading manner, so that vegetation and soil in an upper soil sample can be effectively separated, and the lower soil is sampled in an inclined manner, so that lower mud of the marsh can be collected, and the damage of the natural environment of a sampling site is reduced.
Description
Technical Field
The invention relates to the field of hydrogeology, in particular to soil sampling equipment for hydrogeology investigation.
Background
In the process of sampling geological exploration, wherein the exploration of marsh geology has obvious difficulty, the marsh has soil bags which are similar to bubbles and are higher than the water surface due to the limitation of natural conditions, and the soil of the marsh has a large amount of biological communities for scientific research.
However, the upper soil above the water surface is relatively dry, the soil below the water surface is relatively moist, rich vegetation is grown on the upper soil, the vegetation and the soil are difficult to separate, and under the condition that the natural environment around the sampling point is reduced and destroyed, the sampling and collection of the mud below the water surface are difficult, and in the process of sampling the swamp, the moist soil can adhere to the outer side of the sampling tool, so that the trouble is brought to the subsequent sampling work.
In summary, there is a need to develop a soil sampling apparatus for hydrogeology investigation to overcome the above-mentioned problems.
Disclosure of Invention
The invention provides soil sampling equipment for hydrogeology investigation, which aims to overcome the defects that the upper soil is relatively dry, the lower soil is relatively moist, vegetation and soil of the upper soil are difficult to separate, and sampling and collecting of mud parts under water are difficult.
The technical proposal is as follows: a soil sampling device for hydrogeology investigation comprises a top plate, a cross beam and a mounting buckle; the device also comprises an upper layer sampling unit, a flow dividing unit, a lower layer sampling unit and a rotary sample discharging unit; the left part and the right part of the top plate are fixedly connected with a cross beam respectively; two beams are fixedly connected with a mounting buckle respectively; the lower surface of the top plate is connected with an upper layer sampling unit for sampling upper layer soil in the swamp land; the left part and the right part of the top plate are connected with a diversion unit for separating soil from vegetation in upper soil; the front part of the upper surface of the top plate is connected with a lower layer sampling unit for sampling lower layer wetting mud in the swamp land; the lower part of the lower sampling unit is connected with a rotary sample outlet unit for taking out the slurry sample.
Further, the upper sampling unit comprises a first electric slide rail, a transverse plate, a first electric actuator, a first U-shaped frame, a soil shoveling cabin and a sealing plate; two first electric sliding rails are respectively arranged at the front part of the lower surface of the top plate and the rear part of the lower surface of the top plate; the left part and the right part of the two first electric sliding rails are respectively connected with a transverse plate in a sliding way through electric sliding blocks; the front part of the lower surface and the rear part of the lower surface of the two transverse plates are respectively provided with a first electric actuator; the lower ends of the telescopic parts of the two first electric actuators at the left side and the lower ends of the telescopic parts of the two first electric actuators at the right side are fixedly connected with a first U-shaped frame respectively; the lower parts of the two first U-shaped frames are fixedly connected with a shovel soil cabin for sampling the soil of the upper layers of the marsh lands respectively; the opposite sides of the two soil shoveling cabins are respectively connected with a sealing plate in a rotating mode, and the sealing plates are positioned at the positions of the transverse grooves on the inner sides of the soil shoveling cabins.
Further, a transverse groove is formed in the middle of the soil shoveling cabin, and a plurality of water filtering grooves are formed in the lower portion of the soil shoveling cabin and are used for draining excessive water in the taken marsh soil.
Further, a torsion spring is arranged between the sealing plate and the soil shoveling cabin, and two ends of the torsion spring are respectively connected with the soil shoveling cabin and the sealing plate and used for sealing the transverse grooves by the sealing plate.
Further, the split unit comprises a second U-shaped frame, a third U-shaped frame, a second electric sliding rail, a first connecting rod, an L-shaped frame and an inserting plate; the left part and the right part of the top plate are fixedly connected with a second U-shaped frame respectively; the left part and the right part of the top plate are fixedly connected with a third U-shaped frame respectively, and the two third U-shaped frames are positioned between the two second U-shaped frames; the lower parts of the second U-shaped frame and the third U-shaped frame at the left are respectively provided with two second electric sliding rails; the lower parts of the right second U-shaped frame and the third U-shaped frame are respectively provided with two other second electric sliding rails; the two second electric sliding rails at the left side are connected with a first connecting rod in a sliding way through an electric sliding block; the two second electric sliding rails on the right are connected with another first connecting rod in a sliding way through an electric sliding block; the front part of the upper surface and the rear part of the upper surface of the two first connecting rods are fixedly connected with an L-shaped frame respectively; the opposite sides of the two L-shaped frames on the left and the two L-shaped frames on the right are fixedly connected with plugboards for separating soil from vegetation respectively; and wedge-shaped parts are arranged on the opposite sides of the two plugboards.
Further, a plurality of water filtering gaps are formed in the inserting plate, and a plurality of spike parts for pulling root parts of vegetation are arranged between the adjacent gaps.
Further, the lower sampling unit comprises a first support plate, an H-shaped frame, a fourth U-shaped frame, a knob, a mounting plate, a third electric sliding rail, a rotating frame, a storage pipe, a second support plate, a second electric actuator, a connecting plate, a second connecting rod and a sealing block; the front part of the upper surface of the top plate is fixedly connected with two first support plates; an H-shaped frame is fixedly connected to the front parts of the lower surfaces of the two first support plates; the lower surface of the H-shaped frame is fixedly connected with a fourth U-shaped frame; the lower part of the fourth U-shaped frame is rotationally connected with two knobs for adjusting angles; the opposite sides of the two knobs are fixedly connected with mounting plates; two third electric sliding rails are arranged on the inner side of the mounting plate; the two third electric sliding rails are connected with a rotating frame in a sliding way through an electric sliding block; the middle part of the rotating frame is rotationally connected with a storage pipe; the front part of the rotating frame is provided with a first supporting part; the rear part of the rotating frame is provided with a second supporting part; the rotating frame is connected with the rotary sample discharging unit; a second support plate is fixedly connected inside the storage pipe; the storage pipe is connected with a rotary sample outlet unit in a sliding way; the second support plate is provided with a second electric actuator; the upper end of the telescopic part of the second electric actuator is fixedly connected with a connecting plate; the right part of the connecting plate is fixedly connected with a second connecting rod; the second connecting rod is connected with the second support plate in a sliding way; the lower part of the second connecting rod is fixedly connected with a sealing block for sealing after sampling the slurry of the marsh underground layer, and nine diversion holes for filtering out the redundant water of the slurry sample are formed in the sealing block.
Further, the upper part of the mounting plate is provided with a through hole, and the lower part of the storage pipe is provided with an inclined opening and is used for being inserted into the slurry of the marsh subterranean layer.
Further, two air holes are formed in the second support plate and used for conducting air in the storage pipe after the sealing block bears slurry.
Further, the rotary sample discharging unit comprises a third electric actuator, a ring scraper, an L-shaped plate, a first gear, a screw rod and a second gear; a third electric actuator is arranged on the lower surface of the first supporting part at the front part of the rotating frame; the outer surface of the storage pipe is connected with an annular scraper in a sliding manner; the lower end of the telescopic part of the third electric actuator is fixedly connected with the upper surface of a third supporting part at the front part of the annular scraper; the upper part of the annular scraper is fixedly connected with an L-shaped plate; the upper part of the outer surface of the storage tube is fixedly connected with a first gear; a second branch part at the rear part of the rotating frame is rotationally connected with a screw rod; the upper part of the screw rod is fixedly connected with a second gear; the second gear is meshed with the first gear; the upper part of the L-shaped plate is screwed with the screw rod.
The invention has the beneficial effects that:
1. according to the invention, the upper soil and the lower soil in the marsh are sampled in a grading manner, so that vegetation and soil in an upper soil sample can be effectively separated, and the lower soil is sampled in an inclined manner, so that lower mud of the marsh can be collected, and the damage of the natural environment of a sampling site can be reduced.
2. According to the invention, the nailing part of the plugboard is arranged, so that the problem that the plugboard is penetrated between the root of the vegetation and the soil and the vegetation is hooked by the nailing part is effectively solved, and when the plugboard moves, the vegetation is synchronously driven to move together, so that the soil on the vegetation is shaken off.
3. According to the invention, the storage pipe is obliquely arranged, so that when the storage pipe samples the slurry of the soil of the marsh subterranean layer, the slurry can enter the storage pipe.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a second perspective structure of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a schematic diagram showing a top-level sampling unit according to the present invention;
FIG. 5 is a schematic view of a portion of an upper sampling unit according to the present invention;
FIG. 6 is a schematic view of a first combined three-dimensional structure of the present invention;
FIG. 7 is a schematic perspective view of a first portion of a splitter unit according to the present invention;
FIG. 8 is a schematic perspective view of a second portion of the splitter unit of the present invention;
FIG. 9 is a schematic diagram of a second combined perspective structure of the present invention;
FIG. 10 is a schematic diagram showing a perspective structure of a lower sampling unit according to the present invention;
FIG. 11 is a schematic view of a partial cross-sectional structure of an underlying sampling unit according to the present invention;
fig. 12 is a schematic perspective view of a rotary sample ejection unit according to the present invention.
Reference numerals illustrate: 1-top plate, 2-cross beam, 3-mounting buckle, 101-first electric slide rail, 102-cross plate, 103-first electric actuator, 104-first U-shaped frame, 105-soil spade compartment, 106-closure plate, 105 a-cross slot, 105 b-water filter tank, 201-second U-shaped frame, 202-third U-shaped frame, 203-second electric slide rail, 204-first connecting rod, 205-L-shaped frame, 206-insert plate, 206 a-wedge, 206 b-stab, 301-first support plate, 302-H-shaped frame, 303-fourth U-shaped frame, 304-knob, 305-mounting plate, 306-third electric slide rail, 307-turret, 308-storage tube, 309-second support plate, 3010-second electric actuator, 3011-connection plate, 3012-second connecting rod, 3013-closure block, 305 a-through hole, 307 a-first support, 307 b-second support plate, 308 a-bevel, 309 a-air hole, 309 a-third electric guide hole, 401-third electric actuator, 402-third support plate, 402-guide screw, 402-third electric actuator, 3010-third support plate, 402-guide plate, 402-third electric guide plate.
Detailed Description
The invention is further described below with reference to the drawings and examples.
In the embodiment of the present invention, the first electric actuator 103, the second electric actuator 3010 and the third electric actuator 401 are electric push rods.
Example 1
The soil sampling equipment for hydrogeology investigation comprises a top plate 1, a cross beam 2 and a mounting buckle 3 according to the figures 1-3; the device also comprises an upper layer sampling unit, a flow dividing unit, a lower layer sampling unit and a rotary sample discharging unit; the left part and the right part of the top plate 1 are respectively connected with a cross beam 2 through bolts; two cross beams 2 are fixedly connected with a mounting buckle 3 respectively; the lower surface of the top plate 1 is connected with an upper layer sampling unit; the left part and the right part of the top plate 1 are connected with a flow dividing unit; the front part of the upper surface of the top plate 1 is connected with a lower sampling unit; the lower part of the lower sampling unit is connected with a rotary sample outlet unit.
Before using a soil sampling device for hydrogeology investigation, hereinafter referred to as soil sampling device, firstly an operator installs a top plate 1 on a swamp car through two cross beams 2 and two installation buckles 3, and connects with a power supply on the car, then the swamp car is driven to a position where sampling is needed, then an upper sampling unit samples upper soil, then the upper sampling unit is scraped by a diversion unit, then the upper sampling unit is transferred to a position where a sample is stored, the diversion unit separates soil and vegetation in the sample, the sample storage position collects the soil sample, then a lower sampling unit samples lower mud of the sampling position, the lower sampling unit is transferred to the position where the sample is stored, the rotation of a sampling unit starts to run to lead out the mud in the lower sampling unit, and finally vegetation in the upper sampling unit is put back to the position where the sample is stored; according to the invention, the upper soil and the lower soil in the marsh are sampled in a grading manner, so that vegetation and soil in an upper soil sample can be effectively separated, and the lower soil is sampled in an inclined manner, so that lower mud of the marsh can be collected, and the natural environment damage of a sampling site is reduced.
Example 2
On the basis of embodiment 1, according to fig. 1 and fig. 4 to 12, the upper layer sampling unit comprises a first electric slide rail 101, a transverse plate 102, a first electric actuator 103, a first U-shaped frame 104, a shovel cabin 105 and a sealing plate 106; two first electric sliding rails 101 are respectively arranged at the front part of the lower surface and the rear part of the lower surface of the top plate 1; the left part and the right part of the two first electric sliding rails 101 are respectively connected with a transverse plate 102 through electric sliding blocks in a sliding manner; the front part of the lower surface and the rear part of the lower surface of the two transverse plates 102 are respectively provided with a first electric actuator 103; the lower ends of the telescopic parts of the two first electric actuators 103 at the left and the lower ends of the telescopic parts of the two first electric actuators 103 at the right are fixedly connected with a first U-shaped frame 104 respectively; the lower parts of the two first U-shaped frames 104 are respectively connected with a soil shoveling cabin 105 through bolts; one sealing plate 106 is rotatably connected to each of the opposite sides of the two shovel bins 105, and the sealing plate 106 is positioned at the position of the transverse groove 105a inside the shovel bins 105.
The middle part of the soil shoveling cabin 105 is provided with a transverse groove 105a, the lower part is provided with a plurality of water filtering grooves 105b, a torsion spring is arranged between the sealing plate 106 and the soil shoveling cabin 105, and two ends of the torsion spring are respectively connected with the soil shoveling cabin 105 and the sealing plate 106.
The split unit comprises a second U-shaped frame 201, a third U-shaped frame 202, a second electric sliding rail 203, a first connecting rod 204, an L-shaped frame 205 and an inserting plate 206; the left part and the right part of the top plate 1 are respectively connected with a second U-shaped frame 201 through bolts; a third U-shaped frame 202 is connected to the left part and the right part of the top plate 1 through bolts, and the two third U-shaped frames 202 are positioned between the two second U-shaped frames 201; two second electric sliding rails 203 are arranged at the lower part of the second U-shaped frame 201 and the lower part of the third U-shaped frame 202 at the left; the lower parts of the second U-shaped frame 201 and the third U-shaped frame 202 on the right are provided with two other second electric sliding rails 203; the two second electric sliding rails 203 on the left are connected with a first connecting rod 204 in a sliding way through an electric sliding block; the two right second electric sliding rails 203 are connected with another first connecting rod 204 in a sliding way through an electric sliding block; an L-shaped frame 205 is welded on the front part of the upper surface and the rear part of the upper surface of the two first connecting rods 204 respectively; the two L-shaped frames 205 on the left and the two L-shaped frames 205 on the right are connected with insertion plates 206 through bolts on opposite sides; and wedge portions 206a are provided on both of the opposite sides of the two insert plates 206.
The insert plate 206 has a plurality of water-filtering gaps, and a plurality of spike portions 206b are provided between adjacent gaps.
The upper soil sampling process comprises the following steps: firstly, the swamp car is transferred to the vicinity of a sampling point, then, a first electric actuator 103 is started, four first electric actuators 103 extend to drive two first U-shaped frames 104 to move downwards, two first U-shaped frames 104 drive soil shoveling cabins 105 to move downwards, when two soil shoveling cabins 105 shovels into the soil on the upper layer of the sampling point until transverse grooves 105a of two soil shoveling cabins 105 approach the soil, the four first electric actuators 103 are closed, then, left transverse plates 102 and right transverse plates 102 move in the directions of approaching each other through sliding blocks in the directions of two first electric sliding rails 101, the two soil shoveling cabins 105 are synchronously driven to move in the directions of approaching each other until the two soil shoveling cabins 105 are buckled together, at the moment, the two soil shoveling cabins 105 have taken soil samples, at the moment, redundant moisture in the soil samples can flow back to the sampling point through filtering 105b on the two soil shoveling cabins 105, the two transverse plates 102 stop moving, then, the four first electric actuators 103 are started, the four first electric actuators 103 shrink and synchronously drive the two soil shoveling cabins 105 to move upwards, when the transverse grooves 105a of the soil shoveling cabins 105 are higher than the plugboards 206, the two first connecting rods 204 move towards the direction close to each other through the sliding blocks, the two first connecting rods 204 respectively drive the two L-shaped frames 205 to move towards the direction close to each other, synchronously drive the wedge-shaped parts 206a of the two plugboards 206 to contact with the outer inclined surfaces of the soil shoveling cabins 105, along with the upward movement of the two soil shoveling cabins 105, the wedge-shaped parts 206a of the two plugboards 206 realize the scraping of residual soil outside the two soil shoveling cabins 105, after the residual soil outside the two soil shoveling cabins 105 is scraped, the four first electric actuators 103 stretch and synchronously drive the two soil shoveling cabins 105 to move downwards until the transverse grooves 105a of the two soil shoveling cabins 105 are level with the two plugboards 206, the four first electric actuators 103 are closed to extend, the two first connecting rods 204 move in the directions away from each other at the same time, until the two inserting plates 206 are not in contact with the two soil shoveling cabins 105, the two first connecting rods 204 stop moving, when the two inserting plates 206 are in alignment with the transverse grooves 105a of the two soil shoveling cabins 105, the two first connecting rods 204 move in the directions close to each other, synchronously drive the two inserting plates 206 to move in the directions close to each other, meanwhile, the two inserting plates 206 are inserted into the transverse grooves 105a of the two soil shoveling cabins 105, the two sealing plates 106 are pushed inwards to realize the insertion of the two inserting plates 206 into the two soil shoveling cabins 105, the two inserting plates 206 are inserted from vegetation roots of soil samples in the soil shoveling cabins 105, and then the two soil shoveling cabins 105 are transferred to the positions where the samples are stored.
The soil and vegetation separation process comprises the following steps: when the two soil shoveling cabins 105 reach the upper portion of the sample storage position, the two transverse plates 102 move in the directions away from each other, the two soil shoveling cabins 105 are synchronously driven to move in the directions away from each other, at this time, soil samples in the two soil shoveling cabins 105 enter the sample storage position, then the two first connecting rods 204 reciprocate back and forth on the two second electric sliding rails 203, the two inserting plates 206 are synchronously driven to reciprocate back and forth, the two inserting plates 206 drive vegetation to shake through the nailing portions 206b, soil adhered on vegetation is shaken off, after enough soil samples are collected, the soil shoveling cabins 105 are transferred to the upper portion of a sampling point, the two inserting plates 206 withdraw from the transverse grooves 105a of the two soil shoveling cabins 105, at this time, the two sealing plates 106 overturn under the action of torsion springs, the transverse grooves 105a of the two soil shoveling cabins 105 are sealed, and vegetation in the two soil shoveling cabins 105 falls back to the sampling point along an inclined plane.
The lower sampling unit comprises a first support plate 301, an H-shaped frame 302, a fourth U-shaped frame 303, a knob 304, a mounting plate 305, a third electric slide rail 306, a rotating frame 307, a storage tube 308, a second support plate 309, a second electric actuator 3010, a connecting plate 3011, a second connecting rod 3012 and a sealing block 3013; two first support plates 301 are connected to the front part of the upper surface of the top plate 1 through bolts; the front parts of the lower surfaces of the two first support plates 301 are connected with an H-shaped frame 302 through bolts; the lower surface of the H-shaped frame 302 is connected with a fourth U-shaped frame 303 through bolts; the lower part of the fourth U-shaped frame 303 is rotatably connected with two knobs 304; the opposite sides of the two knobs 304 are fixedly connected with mounting plates 305; two third electric slide rails 306 are arranged on the inner side of the mounting plate 305; the two third electric sliding rails 306 are connected with a rotating frame 307 in a sliding manner through electric sliding blocks; the middle part of the rotating frame 307 is rotatably connected with a storage pipe 308; the front part of the rotating frame 307 is provided with a first branch 307a; the rear part of the rotating frame 307 is provided with a second branch 307b; the rotating frame 307 is connected with the rotary sample discharging unit; a second support plate 309 is welded inside the storage tube 308; the storage tube 308 is connected with a rotary sample outlet unit in a sliding way; the second support plate 309 is mounted with a second electric actuator 3010; a connecting plate 3011 is fixedly connected to the upper end of the telescopic part of the second electric actuator 3010; a second connecting rod 3012 is welded to the right part of the connecting plate 3011; the second link 3012 is slidably coupled to the second support plate 309; a sealing block 3013 is welded at the lower part of the second connecting rod 3012, and nine flow guide holes 3013a are formed in the sealing block 3013.
The upper part of the mounting plate 305 is provided with a through hole 305a, the lower part of the storage tube 308 is provided with an inclined opening 308a, and the second support plate 309 is provided with two air holes 309a.
The rotary sample discharging unit comprises a third electric actuator 401, an annular scraper 402, an L-shaped plate 403, a first gear 404, a screw rod 405 and a second gear 406; the lower surface of the first support 307a at the front of the turret 307 is provided with a third electric actuator 401; the outer surface of the storage tube 308 is slidably connected with an annular scraper 402; the lower end of the telescopic part of the third electric actuator 401 is fixedly connected with the upper surface of a third supporting part 402a at the front part of the annular scraper 402; an L-shaped plate 403 is welded on the upper part of the annular scraper 402; a first gear 404 is fixedly connected to the upper part of the outer surface of the material storage pipe 308; a second support 307b at the rear of the turret 307 is rotatably connected to a screw 405; a second gear 406 is fixedly connected to the upper part of the screw rod 405; the second gear 406 is meshed with the first gear 404; the upper part of the L-shaped plate 403 is screwed with the screw rod 405.
The lower soil sampling process comprises the following steps: after the upper soil of the sampling point is taken away, transferring the lower sampling unit to the position above the sampling point, rotating two knobs 304 by an operator to adjust the angle of the mounting plate 305, after the angle adjustment is finished, moving a rotating frame 307 on two third electric sliding rails 306 through two sliding blocks, driving a storage pipe 308 to move by the rotating frame 307, obliquely inserting the storage pipe 308 into the sampling point, then starting a second electric actuator 3010, shrinking the second electric actuator 3010 to drive a connecting plate 3011 to drive a second connecting rod 3012 to move, driving a sealing block 3013 to move, enabling the sealing block 3013 to leave the position of a bevel 308a of the storage pipe 308, enabling slurry in the lower soil of the sampling point to enter the storage pipe 308 from the gap between the sealing block 3013 and the storage pipe 308, enabling the second electric actuator 3010 to stretch after enough samples are collected, synchronously driving the sealing block 3013 to seal a bevel 308a of the storage pipe 308, enabling moisture in the slurry to flow out from a diversion hole 3013a of the sealing block 3013, then driving the rotating frame 307 to move reversely, and then driving the sealing block 3013 to move reversely until the slurry in the lower soil is in contact with the mounting plate 305, and then moving the mounting plate 305 to the position of the lower soil is contacted with the mounting plate.
The lower soil unloading process comprises the following steps: when the storage tube 308 is inclined to reach the upper side of the sample storage position, then, the third electric actuator 401 is started, the third electric actuator 401 stretches to drive the annular scraper 402 to move on the outer surface of the storage tube 308, the annular scraper 402 is used for scraping residual sampled soil on the outer surface of the storage tube 308, the scraped soil enters the storage position of the soil sample, meanwhile, as the L-shaped plate 403 and the transmission screw 405 are not self-locking, the annular scraper 402 drives the L-shaped plate 403 to drive the transmission screw 405 to rotate, the screw 405 drives the second gear 406 to drive the first gear 404 to rotate, the first gear 404 drives the storage tube 308 to rotate, the storage tube 308 drives the second support plate 309 to drive the second electric actuator 3010 to rotate, the second electric actuator 3010 drives the connecting plate 3011 to drive the second connecting rod 3012 to rotate, the second connecting rod 3012 drives the sealing block 3013 to rotate, the inclined opening 308a of the storage tube 308 is turned from the original upward direction to the lower soil sample storage position, then the second electric actuator 3010 is started, the second electric actuator 3010 is contracted, and the second electric actuator 3013 is synchronously driven to drive the sealing block 308 to move from the opening 3013 to the position of the storage tube 308 to the position to be sealed, and the slurry is collected from the position of the storage tube 308.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (7)
1. A soil sampling device for hydrogeology investigation comprises a top plate, a cross beam and a mounting buckle; the device is characterized by further comprising an upper layer sampling unit, a flow dividing unit, a lower layer sampling unit and a rotary sample discharging unit; the left part and the right part of the top plate are fixedly connected with a cross beam respectively; two beams are fixedly connected with a mounting buckle respectively; the lower surface of the top plate is connected with an upper layer sampling unit for sampling upper layer soil in the swamp land; the left part and the right part of the top plate are connected with a diversion unit for separating soil from vegetation in upper soil; the front part of the upper surface of the top plate is connected with a lower layer sampling unit for sampling lower layer wetting mud in the swamp land; the lower part of the lower sampling unit is connected with a rotary sample outlet unit for taking out a slurry sample;
the upper sampling unit comprises a first electric slide rail, a transverse plate, a first electric actuator, a first U-shaped frame, a soil shoveling cabin and a sealing plate; two first electric sliding rails are respectively arranged at the front part of the lower surface of the top plate and the rear part of the lower surface of the top plate; the left part and the right part of the two first electric sliding rails are respectively connected with a transverse plate in a sliding way through electric sliding blocks; the front part of the lower surface and the rear part of the lower surface of the two transverse plates are respectively provided with a first electric actuator; the lower ends of the telescopic parts of the two first electric actuators at the left side and the lower ends of the telescopic parts of the two first electric actuators at the right side are fixedly connected with a first U-shaped frame respectively; the lower parts of the two first U-shaped frames are fixedly connected with a shovel soil cabin for sampling the soil of the upper layers of the marsh lands respectively; the opposite sides of the two soil shoveling cabins are respectively connected with a sealing plate in a rotating way, and the sealing plates are positioned at the positions of the transverse grooves on the inner sides of the soil shoveling cabins;
starting the first electric actuators, enabling the four first electric actuators to extend to drive the two first U-shaped frames to move downwards, enabling the two first U-shaped frames to drive the soil shoveling cabins to move downwards, closing the four first electric actuators until transverse grooves of the two soil shoveling cabins are close to soil, enabling the left transverse plate and the right transverse plate to move in the directions of approaching each other through the sliding blocks in the two first electric sliding rails, and synchronously driving the two soil shoveling cabins to move in the directions of approaching each other until the two soil shoveling cabins are buckled together, wherein soil samples are taken in the two soil shoveling cabins;
the shunting unit comprises a second U-shaped frame, a third U-shaped frame, a second electric sliding rail, a first connecting rod, an L-shaped frame and an inserting plate; the left part and the right part of the top plate are fixedly connected with a second U-shaped frame respectively; the left part and the right part of the top plate are fixedly connected with a third U-shaped frame respectively, and the two third U-shaped frames are positioned between the two second U-shaped frames; the lower parts of the second U-shaped frame and the third U-shaped frame at the left are respectively provided with two second electric sliding rails; the lower parts of the right second U-shaped frame and the third U-shaped frame are respectively provided with two other second electric sliding rails; the two second electric sliding rails at the left side are connected with a first connecting rod in a sliding way through an electric sliding block; the two second electric sliding rails on the right are connected with another first connecting rod in a sliding way through an electric sliding block; the front part of the upper surface and the rear part of the upper surface of the two first connecting rods are fixedly connected with an L-shaped frame respectively; the opposite sides of the two L-shaped frames on the left and the two L-shaped frames on the right are fixedly connected with plugboards for separating soil from vegetation respectively; wedge-shaped parts are arranged on the opposite sides of the two plugboards;
a plurality of water filtering gaps are formed in the plugboard, and a plurality of spike parts for pulling root parts of vegetation are arranged between adjacent gaps;
the two first connecting rods move in the direction of approaching each other, the two plugboards are synchronously driven to move in the direction of approaching each other, meanwhile, the two plugboards are inserted into the transverse grooves of the two soil shoveling cabins, the two sealing plates are pushed inwards to realize the insertion of the two plugboards into the two soil shoveling cabins, the two plugboards are inserted from the vegetation roots of soil samples in the soil shoveling cabins, and then the two soil shoveling cabins are transferred to the sample storage positions;
when two soil shoveling cabins reach sample storage position top, two diaphragm are towards the direction motion of keeping away from each other, drive two soil shoveling cabins in step and move towards the direction of keeping away from each other, at this moment, soil sample part in two soil shoveling cabins enters into sample storage position, then two first connecting rods reciprocate at two second electronic slide rails, drive two picture peg reciprocating motion in step, two picture peg drive vegetation shake through nail thorn portion, soil that will adhere on the vegetation trembles off, until after having collected sufficient soil sample, shift the soil shoveling cabin to the sample point top with the soil shoveling cabin, two picture peg withdraw from the transverse slot in two soil shoveling cabins, two sealing plates overturn under torsion spring's effect this moment, seal the transverse slot in two soil shoveling cabins, vegetation in two soil shoveling cabins falls back to the sample point along the inclined plane simultaneously.
2. The soil sampling apparatus for hydrogeology survey according to claim 1, wherein the soil scooping chamber is provided with a horizontal groove in the middle and a plurality of water filtering grooves in the lower for draining the excess water of the taken-up soil on the upper layers of the swamp land.
3. The soil sampling device for hydrogeology investigation according to claim 1, wherein a torsion spring is provided between the sealing plate and the soil shoveling compartment, and both ends of the torsion spring are respectively connected with the soil shoveling compartment and the sealing plate for sealing the transverse groove by the sealing plate.
4. The soil sampling apparatus for hydrogeological survey according to claim 1, wherein the lower layer sampling unit comprises a first support plate, an H-shaped frame, a fourth U-shaped frame, a knob, a mounting plate, a third electric sliding rail, a rotating frame, a storage pipe, a second support plate, a second electric actuator, a connecting plate, a second connecting rod and a sealing block; the front part of the upper surface of the top plate is fixedly connected with two first support plates; an H-shaped frame is fixedly connected to the front parts of the lower surfaces of the two first support plates; the lower surface of the H-shaped frame is fixedly connected with a fourth U-shaped frame; the lower part of the fourth U-shaped frame is rotationally connected with two knobs for adjusting angles; the opposite sides of the two knobs are fixedly connected with mounting plates; two third electric sliding rails are arranged on the inner side of the mounting plate; the two third electric sliding rails are connected with a rotating frame in a sliding way through an electric sliding block; the middle part of the rotating frame is rotationally connected with a storage pipe; the front part of the rotating frame is provided with a first supporting part; the rear part of the rotating frame is provided with a second supporting part; the rotating frame is connected with the rotary sample discharging unit; a second support plate is fixedly connected inside the storage pipe; the storage tube is connected with the rotary sample outlet unit in a sliding manner; the second support plate is provided with a second electric actuator; the upper end of the telescopic part of the second electric actuator is fixedly connected with a connecting plate; the right part of the connecting plate is fixedly connected with a second connecting rod; the second connecting rod is connected with the second support plate in a sliding way; the lower part of the second connecting rod is fixedly connected with a sealing block for sealing after sampling the slurry of the marsh underground layer, and nine diversion holes for filtering out the redundant water of the slurry sample are formed in the sealing block.
5. The soil sampling apparatus for hydrogeology survey of claim 4, wherein the mounting plate has a through hole formed in an upper portion thereof, and the storage pipe has a lower portion provided with a bevel for insertion into the slurry of the subsurface of the marsh.
6. The soil sampling apparatus for hydrogeological survey of claim 4, wherein the second support plate is provided with two air holes for conducting air in the storage tube after the sealing block is loaded with slurry.
7. The soil sampling apparatus for hydrogeological survey of claim 4, wherein the rotary sample discharging unit comprises a third electric actuator, a ring scraper, an L-shaped plate, a first gear, a screw rod and a second gear; a third electric actuator is arranged on the lower surface of the first supporting part at the front part of the rotating frame; the outer surface of the storage pipe is connected with an annular scraper in a sliding manner; the lower end of the telescopic part of the third electric actuator is fixedly connected with the upper surface of a third supporting part at the front part of the annular scraper; the upper part of the annular scraper is fixedly connected with an L-shaped plate; the upper part of the outer surface of the storage tube is fixedly connected with a first gear; a second branch part at the rear part of the rotating frame is rotationally connected with a screw rod; the upper part of the screw rod is fixedly connected with a second gear; the second gear is meshed with the first gear; the upper part of the L-shaped plate is screwed with the screw rod.
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