CN110617991A - Layered sampling and collecting device for frozen soil isotope and biogenic substance - Google Patents
Layered sampling and collecting device for frozen soil isotope and biogenic substance Download PDFInfo
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- CN110617991A CN110617991A CN201910775143.2A CN201910775143A CN110617991A CN 110617991 A CN110617991 A CN 110617991A CN 201910775143 A CN201910775143 A CN 201910775143A CN 110617991 A CN110617991 A CN 110617991A
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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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Abstract
The invention discloses a layered sampling and collecting device for frozen soil isotopes and biogenic substances, which comprises a bottom plate, a first support and a second support, wherein two sides of the top of the bottom plate are fixedly connected with the bottoms of the first support and the second support respectively. This frozen soil isotope and biogenic substance layering sampling collection device, top sliding connection between one side relatively through first support and second support has the fly leaf, and the top fixedly connected with of fly leaf rotates the motor, the bottom of fly leaf is rotated and is connected with the turning block, and the bottom fixedly connected with sampling tube of turning block, the bottom of sampling tube runs through the bottom plate and extends to the bottom of bottom plate, such device structural design can make the convenient bottom that gets into ground of sampling tube carry out frozen soil layering sampling collection, the mode of traditional artifical instrument sampling of utilizing to dig has been changed, frozen soil sampling efficiency has been improved, staff's intensity of labour has been reduced simultaneously.
Description
Technical Field
The invention relates to the technical field of sampling and collecting devices, in particular to a layered sampling and collecting device for frozen soil isotopes and biogenic substances.
Background
Frozen soil refers to various rocks and soils with a temperature below zero centigrade and containing ice, and can be generally divided into short-term frozen soil (hours/days or even months)/seasonal frozen soil (months or even months) and perennial frozen soil (also called permafrost, which refers to a frozen and infusible soil layer lasting two or more years), wherein the frozen soil has rheological property and long-term strength far lower than the instantaneous strength characteristics, and because of the characteristics, engineering structures must face two dangers in frozen soil areas: frost heaving and thawing sinking, frozen earth is constantly deteriorating as the climate warms up.
The method is characterized in that layered sampling is carried out on frozen soil and biogenic substances in a laboratory, isotope research is carried out on samples, the existing layered sampling method for the frozen soil isotopes and the biogenic substances is generally that earth excavation and sampling are directly carried out in a manual mode, but the frozen soil is very hard, so that the sampling is difficult, a large amount of manpower is required to be consumed to dig the frozen soil on the lower layer, and meanwhile, the stability of the vegetation on the Qinghai-Tibet plateau is damaged by large-scale earth turning.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a layered sampling and collecting device for frozen soil isotopes and biogenic substances, which solves the problems that sampling is difficult, a large amount of manpower is required to dig the frozen soil on the lower layer, and meanwhile, the stability of the vegetation in the Qinghai-Tibet plateau is damaged by large-scale soil turning.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a layered sampling and collecting device for frozen soil isotopes and biogenic substances comprises a bottom plate, a first support and a second support, wherein the two sides of the top of the bottom plate are respectively fixedly connected with the bottoms of the first support and the second support, a movable plate is slidably connected to the top between the opposite sides of the first support and the second support, a rotating motor is fixedly connected to the top of the movable plate, the bottom of the movable plate is rotatably connected with a rotating block, a sampling tube is fixedly connected to the bottom of the rotating block, the bottom end of the sampling tube penetrates through the bottom plate and extends to the bottom of the bottom plate, the back of the top of the bottom plate is provided with sealed sampling bottles, four groups of sealed sampling bottles are arranged at the top of the bottom plate, the front and the back of the top of each sealed sampling bottle are respectively communicated with a gas guide tube and a liquid guide tube, and a vacuum pump is arranged at the, and one end of the vacuum pump extraction opening is communicated with a first communicating pipe, one end of the first communicating pipe is communicated with an air guide plate, the inside of the air guide plate is communicated with a second communicating pipe, four groups of the second communicating pipes are arranged, one end, away from the air guide plate, of the second communicating pipe is communicated with one end of an air guide pipe, a mounting hole is formed in the back face of the sampling pipe, the inside of the mounting hole is communicated with an extraction pipe, one end of the liquid guide pipe is communicated with a third communicating pipe, one end, away from the liquid guide pipe, of the third communicating pipe is communicated with one end of the extraction pipe, and the front face of the sampling pipe is movably connected with a water.
Preferably, the top of the rotating block is provided with a groove, the inside of the groove is fixedly connected with a connecting rod, and one end of the output shaft of the rotating motor is fixedly connected with the top end of the connecting rod through a coupler.
Preferably, the two sides of the front surface and the back surface of the movable plate are respectively connected with the inner parts of the first support and the second support in a sliding manner, the two sides of the front surface and the back surface of the movable plate are respectively fixedly connected with a sliding block, the front surface and the back surface of the inner wall of the first support and the inner wall of the second support are respectively provided with a sliding groove matched with the sliding block, and the surface of the sliding block is connected with the inner wall of the sliding groove in a sliding manner.
Preferably, the two sides of the front bottom of the bottom plate are fixedly connected with mounting blocks, hydraulic cylinders are arranged inside the mounting blocks, and the top ends of output shafts of the hydraulic cylinders are fixedly connected with the bottoms of the movable plates.
Preferably, a valve is arranged at one end, close to the gas guide tube, of the second communicating tube, and a check valve is arranged at one end, close to the liquid guide tube, of the third communicating tube.
Preferably, the one end threaded connection of liquid suction pipe has the protective cover to the inside of liquid suction pipe is provided with filtration membrane, the through-hole with water-stop sheet looks adaptation is seted up in the front of sampling tube, the surface of water-stop sheet is provided with the rubber circle to the surface of rubber circle contacts with the inner wall of through-hole.
Preferably, the bottom of the circumferential surface of the inner wall of the sampling tube is provided with a one-way plate, and the one-way plate is formed by 8 1/8 circles.
Preferably, one side of airtight sampling bottle is provided with the observation window, the positive top fixedly connected with control switch of first support, equal fixedly connected with base all around of bottom plate bottom.
(III) advantageous effects
The invention provides a layered sampling and collecting device for frozen soil isotopes and biogenic substances. Compared with the prior art, the method has the following beneficial effects:
(1) the frozen soil isotope and biogenic substance layered sampling and collecting device is connected with a movable plate through the top part between the opposite sides of the first bracket and the second bracket in a sliding way, the top of the movable plate is fixedly connected with a rotating motor, the bottom of the movable plate is rotatably connected with a rotating block, and the bottom of the rotating block is fixedly connected with a sampling tube, the bottom end of the sampling tube penetrates through the bottom plate and extends to the bottom of the bottom plate, the two sides of the front surface of the bottom plate are fixedly connected with mounting blocks, hydraulic cylinders are arranged inside the two mounting blocks, and the top of pneumatic cylinder output shaft and the bottom fixed connection of fly leaf, such device structural design can make the convenient bottom that gets into ground of sampling tube carry out frozen soil layering sampling collection, has changed the mode that traditional manual work utilized the instrument to excavate the sampling, has improved frozen soil sampling efficiency, has reduced staff's intensity of labour simultaneously.
(2) The frozen soil isotope and biogenic substance layered sampling and collecting device is characterized in that a closed sampling bottle is arranged on the back surface of the top of a bottom plate, four groups of sealed sampling avoiding bottles are arranged on the top of the bottom plate, the front surface and the back surface of the top of the closed sampling bottle are respectively communicated with a gas guide pipe and a liquid guide pipe, a vacuum pump is arranged on the top of the bottom plate and on the back surface of the closed sampling bottle, one end of an air exhaust opening of the vacuum pump is communicated with a first communicating pipe, one end of the first communicating pipe is communicated with a gas guide plate, the inside of the gas guide plate is communicated with a second communicating pipe, the four groups of second communicating pipes are arranged, one end of the second communicating pipe, far away from the gas guide plate, is communicated with one end of the gas guide pipe, the back surface of the sampling pipe is provided with a mounting hole, the inside of the mounting hole is communicated with, the front surface of the sampling tube is movably connected with a water-stop sheet, and the structural design of the device can return the sampled soil to the original place after the frozen soil layered sampling collection is completed, so that the damage of the sampling collection operation to the ground is effectively reduced.
(3) This frozen soil isotope and biogenic substance layering sampling collection device, one end threaded connection through the liquid suction pipe has the protective cover, and the inside of liquid suction pipe is provided with filtration membrane, the through-hole with water proof board looks adaptation is seted up in the front of sampling tube, the surface of water proof board is provided with the rubber circle, and the surface of rubber circle contacts with the inner wall of through-hole, the bottom of sampling tube inner wall periphery is provided with the one-way board, and the one-way board comprises 8 1/8 circles, such device structural design can be convenient to convenient carry out liquid collection to the frozen soil after changing water, and can not lead to the fact destruction to soil, the sample of gathering is comparatively complete.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a side view of the structure of the present invention;
FIG. 4 is a cross-sectional view of a sample tube structure of the present invention;
FIG. 5 is a perspective view of the structure of the fluid evacuation tube of the present invention;
fig. 6 is a partial enlarged view of the invention at a in fig. 3.
In the figure, 1-bottom plate, 2-first bracket, 3-second bracket, 4-movable plate, 5-rotating motor, 6-rotating block, 7-sampling tube, 8-closed sampling bottle, 9-air duct, 10-liquid guide tube, 11-vacuum pump, 12-first communicating tube, 13-air guide plate, 14-second communicating tube, 15-mounting hole, 16-liquid extracting tube, 17-third communicating tube, 18-water stop plate, 19-connecting rod, 20-slide block, 21-sliding groove, 22-mounting block, 23-hydraulic cylinder, 24-valve, 25-check valve, 26-protective cover, 27-filtering membrane, 28-through hole, 29-rubber ring, 30-one-way plate, 31-observation window, 32-control switch, 33-base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a layered sampling and collecting device for frozen soil isotopes and biogenic substances comprises a bottom plate 1, a first support 2 and a second support 3, wherein mounting blocks 22 are fixedly connected to the two front sides of the bottom plate 1, hydraulic cylinders 23 are arranged inside the two mounting blocks 22, the type of the hydraulic cylinders 23 can adopt GLB-30 series hydraulic cylinders, working switches of the hydraulic cylinders 23 are controlled by a control switch 32, the top ends of output shafts of the hydraulic cylinders 23 are fixedly connected with the bottom of a movable plate 4, the two sides of the top of the bottom plate 1 are respectively fixedly connected with the bottoms of the first support 2 and the second support 3, the movable plate 4 is slidably connected to the top between the opposite sides of the first support 2 and the second support 3, the two front sides and the back sides of the movable plate 4 are respectively slidably connected with the interiors of the first support 2 and the second support 3, and sliding blocks 20 are fixedly connected to the front sides and the back sides of the, the front and the back of the inner walls of the first bracket 2 and the second bracket 3 are both provided with a sliding groove 21 matched with the sliding block 20, the surface of the sliding block 20 is in sliding connection with the inner wall of the sliding groove 21, the top of the movable plate 4 is fixedly connected with a rotating motor 5, the model of the rotating motor 5 can adopt BS-840 series, a working switch of the rotating motor 5 is controlled by a control switch 32, the bottom of the movable plate 4 is rotatably connected with a rotating block 6, the inside of the movable plate 4 is provided with a rotating groove matched with the rotating block 6, the surface of the rotating block 6 is provided with an annular sliding groove matched with the annular sliding block, the surface of the annular sliding block slides in the sliding groove, the top of the rotating block 6 is provided with a groove, the inside of the groove is fixedly connected with a connecting rod 19, one end of an output shaft of the rotating motor 5 is fixedly connected with the top, and the bottom of the rotary block 6 is fixedly connected with a sampling tube 7, the bottom end of the sampling tube 7 is an inclined plane towards the central axis of the sampling tube 7, the bottom of the circumferential surface of the inner wall of the sampling tube 7 is provided with a one-way plate 30, the one-way plate 30 is composed of 8 1/8 circles, the moving range is 90 degrees, when the steel tube is driven into the soil, the sector is vertical to the ground, the soil is not influenced to enter the steel tube, when the steel tube needs to be pulled out, because the frozen soil is firm and the soil is aggregated into a whole body, the soil is difficult to be taken out, the sector is parallel to the ground during the pulling-out process, a temporary closed space is formed, the soil is completely taken out, when the sampling tube 7 moves towards the ground under the action of the rotary motor 5 and the hydraulic cylinder 23, the soil enters the sampling tube 7 through the bottom end of the sampling tube 7, and simultaneously the soil extrudes the one-, when the sampling tube 7 moves upwards from the soil, part of the soil falls from the bottom end of the sampling tube 7, the one-way plate 30 is closed along the soil to prevent the soil inside the sampling tube 7 from continuously falling out of the sampling tube, the bottom end of the sampling tube 7 penetrates through the bottom plate 1 and extends to the bottom of the bottom plate 1, the back of the top of the bottom plate 1 is provided with a closed sampling bottle 8, one side of the closed sampling bottle 8 is provided with an observation window 31, a worker can control the sampling amount in the closed sampling bottle 8 through the observation window 31 to avoid the excessive sampling amount from overflowing into the gas guide tube 9 and also avoid the too small sampling amount, the top of the front of the first bracket 2 is fixedly connected with a control switch 32, the periphery of the bottom plate 1 is fixedly connected with bases 33, four groups of the closed sampling bottles 8 are arranged on the top of the bottom plate 1, the front and the back of the top of the closed sampling bottle 8 are respectively communicated, a vacuum pump 11 is arranged on the top of the bottom plate 1 and on the back of the closed sampling bottle 8, the vacuum pump 11 can be of a QC-651 series type, a working switch of the vacuum pump 11 is controlled by a control switch 32, one end of an air suction opening of the vacuum pump 11 is communicated with a first communicating pipe 12, one end of the first communicating pipe 12 is communicated with an air guide plate 13, the inside of the air guide plate 13 is communicated with a second communicating pipe 14, one end of the second communicating pipe 14, which is close to the air guide pipe 9, is provided with a valve 24, one end of a third communicating pipe 17, which is close to the liquid guide pipe 10, is provided with a check valve 25, four groups of the second communicating pipes 14 are arranged, one end of the second communicating pipe 14, which is far away from the air guide plate 13, is communicated with one end of the air guide pipe 9, the back of the sampling pipe 7 is provided, and the inside of liquid suction pipe 16 is provided with filtration membrane 27, the front of sampling tube 7 is seted up the through-hole 28 with water-stop sheet 18 looks adaptation, the surface of water-stop sheet 18 is provided with rubber circle 29 to the surface of rubber circle 29 contacts with the inner wall of through-hole 28, the one end intercommunication of catheter 10 has third communicating pipe 17, the one end that the catheter 10 was kept away from to third communicating pipe 17 communicates with the one end of liquid suction pipe 16, the front swing joint of sampling tube 7 has water-stop sheet 18.
When the sampling tube 7 is driven into the soil, the sector is vertical to the ground, the soil is not influenced to enter the sampling tube 7, when the sampling tube 7 needs to be pulled out, because frozen soil is firm and the soil is aggregated into a whole, the sampling tube 7 is difficult to be pulled out, and the sampling tube 7 is difficult to be pulled out during the pulling-out process, the sector will be parallel to the ground, forming a temporary closed space, taking the soil completely out, inserting the water-stop sheet 18 inside the through hole 28 after the sampling tube 7 is taken out of the soil, then the protecting cover 26 is opened to communicate one end of the third communicating pipe 17 with the liquid extracting pipe 16, after waiting for a period of time, the control switch 32 is operated to open the working switch of the vacuum pump 11, the vacuum pump 11 utilizes the action of the first communicating pipe 12, the second communicating pipe 14 and the gas guide pipe 9 to vacuumize the inside of the closed sampling bottle 8, the inside of the closed sampling bottle 8 extracts the sample inside the sampling pipe 7 through the liquid guide pipe 10, the third communicating pipe 17 and the liquid extracting pipe 16, after sampling is finished, the soil in the sampling tube 7 can be returned to the sampling position, the damage to the ground is reduced, the layered sampling and collecting device for the frozen soil isotopes and the biogenic substances has the whole working principle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a frozen soil isotope and biogenic substance layering sampling collection device, includes bottom plate (1), first support (2) and second support (3), the both sides at bottom plate (1) top respectively with the bottom fixed connection of first support (2) and second support (3), its characterized in that: the top between the opposite sides of the first support (2) and the second support (3) is connected with a movable plate (4) in a sliding mode, the top of the movable plate (4) is fixedly connected with a rotating motor (5), the bottom of the movable plate (4) is connected with a rotating block (6) in a rotating mode, the bottom of the rotating block (6) is fixedly connected with sampling tubes (7), the bottom ends of the sampling tubes (7) penetrate through the bottom plate (1) and extend to the bottom of the bottom plate (1), the back of the top of the bottom plate (1) is provided with sealed sampling bottles (8), four groups of sealed sampling bottles (8) are arranged at the top of the bottom plate (1), the front and the back of the top of each sealed sampling bottle (8) are respectively communicated with a gas guide tube (9) and a liquid guide tube (10), and a vacuum pump (11) is arranged at the top of the bottom plate (1), and one end of the air suction opening of the vacuum pump (11) is communicated with a first communicating pipe (12), one end of the first communicating pipe (12) is communicated with an air guide plate (13), the inside of the air guide plate (13) is communicated with a second communicating pipe (14), the second communicating pipes (14) are provided with four groups, one end, away from the air guide plate (13), of each second communicating pipe (14) is communicated with one end of the air guide pipe (9), the back surface of the sampling pipe (7) is provided with a mounting hole (15), the inside of the mounting hole (15) is communicated with an air suction pipe (16), one end of the liquid guide pipe (10) is communicated with a third communicating pipe (17), one end, away from the liquid guide pipe (10), of each third communicating pipe (17) is communicated with one end of the air suction pipe (16), and the front surface of the sampling pipe (7) is movably connected with a water stop.
2. The layered sampling and collecting device for the frozen soil isotope and the biogenic substance according to claim 1, characterized in that: the top of the rotating block (6) is provided with a groove, the inside of the groove is fixedly connected with a connecting rod (19), and one end of an output shaft of the rotating motor (5) is fixedly connected with the top end of the connecting rod (19) through a coupler.
3. The layered sampling and collecting device for the frozen soil isotope and the biogenic substance according to claim 1, characterized in that: the utility model discloses a portable electronic device, including fly leaf (4), the equal fixedly connected with in both sides at fly leaf (4) front and the back slider (20) to the both sides at fly leaf (4) front and the back respectively with the inside sliding connection of first support (2) and second support (3), the front and the back of fly leaf (4) front and back all offer spout (21) with slider (20) looks adaptation, the surface of slider (20) and the inner wall sliding connection of spout (21).
4. The layered sampling and collecting device for the frozen soil isotope and the biogenic substance according to claim 1, characterized in that: the bottom plate (1) is characterized in that mounting blocks (22) are fixedly connected to the two sides of the front side of the bottom plate (1), hydraulic cylinders (23) are arranged inside the mounting blocks (22), and the top ends of output shafts of the hydraulic cylinders (23) are fixedly connected with the bottom of the movable plate (4).
5. The layered sampling and collecting device for the frozen soil isotope and the biogenic substance according to claim 1, characterized in that: a valve (24) is arranged at one end, close to the gas guide pipe (9), of the second communicating pipe (14), and a check valve (25) is arranged at one end, close to the liquid guide pipe (10), of the third communicating pipe (17).
6. The layered sampling and collecting device for the frozen soil isotope and the biogenic substance according to claim 1, characterized in that: one end threaded connection of liquid suction pipe (16) has protective cover (26) to the inside of liquid suction pipe (16) is provided with filtration membrane (27), through-hole (28) with water-stop sheet (18) looks adaptation are seted up in the front of sampling tube (7), the surface of water-stop sheet (18) is provided with rubber circle (29), and the surface of rubber circle (29) contacts with the inner wall of through-hole (28).
7. The layered sampling and collecting device for the frozen soil isotope and the biogenic substance according to claim 1, characterized in that: the bottom of the circumferential surface of the inner wall of the sampling tube (7) is provided with a one-way plate (30), and the one-way plate (30) consists of 8 1/8 circles.
8. The layered sampling and collecting device for the frozen soil isotope and the biogenic substance according to claim 1, characterized in that: one side of airtight sampling bottle (8) is provided with observation window (31), positive top fixedly connected with control switch (32) of first support (2), equal fixedly connected with base (33) all around of bottom plate (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775143.2A CN110617991A (en) | 2019-08-21 | 2019-08-21 | Layered sampling and collecting device for frozen soil isotope and biogenic substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775143.2A CN110617991A (en) | 2019-08-21 | 2019-08-21 | Layered sampling and collecting device for frozen soil isotope and biogenic substance |
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| Publication Number | Publication Date |
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| CN110617991A true CN110617991A (en) | 2019-12-27 |
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| CN201910775143.2A Pending CN110617991A (en) | 2019-08-21 | 2019-08-21 | Layered sampling and collecting device for frozen soil isotope and biogenic substance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982566A (en) * | 2020-08-05 | 2020-11-24 | 河海大学 | Improved frozen soil layer isotope sampling equipment |
| CN112629914A (en) * | 2020-12-03 | 2021-04-09 | 中铁建设集团基础设施建设有限公司 | Static cutting table for frozen soil |
| CN113916611A (en) * | 2021-09-22 | 2022-01-11 | 西安洛科电子科技股份有限公司 | Intelligent layered gas production sampling device and use method thereof |
| CN117030365A (en) * | 2023-07-06 | 2023-11-10 | 青海省地质环境监测总站 | Freeze soil area prevents leaking deep water stratified sampling equipment |
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| CN117030365A (en) * | 2023-07-06 | 2023-11-10 | 青海省地质环境监测总站 | Freeze soil area prevents leaking deep water stratified sampling equipment |
| CN117030365B (en) * | 2023-07-06 | 2024-04-23 | 青海省地质环境监测总站 | Freeze soil area prevents leaking deep water stratified sampling equipment |
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Application publication date: 20191227 |
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