CN108709767A - Soil sampler - Google Patents
Soil sampler Download PDFInfo
- Publication number
- CN108709767A CN108709767A CN201810834253.7A CN201810834253A CN108709767A CN 108709767 A CN108709767 A CN 108709767A CN 201810834253 A CN201810834253 A CN 201810834253A CN 108709767 A CN108709767 A CN 108709767A
- Authority
- CN
- China
- Prior art keywords
- outer box
- box
- bracing wire
- blade
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000002689 soil Substances 0.000 title claims abstract description 67
- 239000002985 plastic film Substances 0.000 claims abstract description 24
- 229920006255 plastic film Polymers 0.000 claims abstract description 24
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 241001314948 Bursaria incana Species 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to a kind of soil samplers, are suitable for weak soil, belong to geotechnical engineering technical field of experiment equipment.The soil body by the way of the present invention is cut using blade, plastic film seals in Seperating box and outside box avoids the variation of native internal water caused by suction, avoids the disturbance to the soil body, can effectively improve the effect that fetches earth.The device is easy to soil sampler being inserted into weak soil, and is avoided that the disturbance generated to soft soil during fetching earth.Simultaneously, it is ensured that during fetching earth, on the moisture in the soil body without influence；Drawing out soil equipment is simple, is easy to one man operation.
Description
Technical field
The present invention relates to a kind of soil sampler, be particularly suitable for that natural moisture content is larger, compressibility is higher, bearing capacity is relatively low and
The lower weak soil of shearing strength, belongs to geotechnical engineering technical field of experiment equipment.
Background technology
In engineer geological prospecting and survey, in order to acquire the physical and mechanical property indexs of foundation soil, at present in addition to
It is main still using this means of the indoor centrifugal modeling of progress after drill sampling outside in-situ test.It obtains close to natural structure
Undisturbed soil sample, key be improve sampling technique and use advanced soil sampler.
In the work of undisturbed soil sampling, the quality of sampling directly affect laboratory test as a result, influencing in turn subsequent
Engineering Geology Evaluation and geotechnical engineering design.Due to the presence of soil sample disturbance, laboratory test tends not to accurate evaluation Site Soil
Body actual physical mechanical characteristic.Soil sample disturbs there are many kinds of sources, in soil sampler penetration process, due to the soil compaction of soil sampler side wall
And rubbing action is an important factor for causing soil disturbance to deform.
External soil sampler research starts from 40~sixties of 20th century, primarily focuses on non-disturbance undisturbed soil sampler, machinery
Soil sampler and special soil sampler.Based on spiral and gravity paddle type mill, soil-entering resistance can be effectively reduced.
The research of domestic soil sampler starts from later stage the 1950s, and Xiong Yi, Lang Haoshan, Jia Shugang and week snow etc. are to taking
Earthenware is studied, in the 1970s, the soil sampler research in China just has certain progress.
Currently, frequently with soil sampler be mainly free-piston thin-wall sampler, the pipe that fetches earth is sealed using piston,
A sealing adsorbent equipment is formed, soil sample is taken out.For soil sample during being removed, the adsorption capacity generated in sealing device is not
It is evitable to generate disturbance to the soil sample in device, cause the physico-mechanical properties of soil sample to change, so as to cause fetching earth
Effect is not ideal enough.
Invention content
The technical problem to be solved by the present invention is to：A kind of soil sampler is provided, suction can effectively be avoided to generate soil sample
Disturbance improves the effect that fetches earth.
The technical solution adopted in the present invention is to solve above-mentioned technical problem：Soil sampler, including bottom end are hatch frame
Outer box, outer box is rectangle, and the bottom face of outer box is provided with cutting edge along its peripheral direction, outer box
Cover top surface is fixedly connected with outer sleeve, and outer sleeve is arranged perpendicular to the top plate of outer box, is arranged in outer box
Fetch earth box, and the outer box wall that fetches earth is slidably matched with outer box inner wall, and the box upper and lower ends that fetch earth are hatch frame, and fetch earth box
Top end face is equipped with the push plate for capableing of closed top end opening；Push plate is equipped with push rod, push rod on one side towards outer box top plate
After the top plate of outer box, it is sheathed on the inner wall of outer sleeve, push rod top is stretched out outside outer sleeve；
When top plate of the box relative to outer box that fetch earth is moved to dead point position, the inner wall of outer box is at the bottom for fetching earth box
Fluting is provided at endface position, fluting is horizontally disposed along the peripheral direction of outer box, is wherein set in the fluting of one side wall
It is equipped with blade, blade parallel is in the side wall setting of outer box and the cut direction of blade is towards outer box internal water
Flat setting, one end of blade is fixedly connected with the first bracing wire, the other end is fixedly connected with the second bracing wire, and the first bracing wire is drawn with second
Line is arranged in parallel in the side wall of outer box, and is each perpendicular to the length direction of blade；Between first bracing wire and the second bracing wire
It is fixedly installed plastic film in the knife spine side of blade, there is the cavity knot for accommodating plastic film in the side wall of outer box
Structure, the specification after plastic film expansion can completely enclose the bottom end opening for the box that fetches earth；In the blade side of blade,
One bracing wire is arranged with the second bracing wire along the fluting of outer box, and is worn out of outer box side wall in fluting end point
It crosses, until being stretched out from the top plate of outer box；By pulling the first bracing wire and the second bracing wire, blade and plastic film are enabled to
Along the fluting horizontal movement on outer box inner wall.
It is further：In the blade side of blade, the first bracing wire and the second bracing wire after the stretching of the top plate of outer box,
The two is fixedly connected by cross bar.
It is further：In the knife spine side of blade, the first bracing wire is passed through with the second bracing wire out of outer box side wall,
Until being stretched out from the top plate of outer box.
It is further：In the knife spine side of blade, the first bracing wire and the second bracing wire after the stretching of the top plate of outer box,
The end of first bracing wire is connected with the first limited block, and the end of the second bracing wire is connected with the second limited block.
It is further：When top plate of the box relative to outer box that fetch earth is moved to dead point position, the outer wall of outer box
The top end face corresponding position for the box that fetches earth is provided with telltale mark.
It is further：The bottom end of push rod is vertical with push plate to be fixedly connected.
It is further：One end that push rod stretches out outer sleeve is fixedly connected with the first in command.
It is further：The top of outer sleeve is fixedly connected with second handle.
It is further：It is provided with outer box hole on the top plate of outer box, push plate hole is provided in push plate.
When implementation, in place appropriate location, the cutting edge of outer box is downward, is exerted a force by outer sleeve, by outer box
In indentation soil, until having taken full soil inside the box that fetches earth, the box that fetches earth at this time has been moved into dead point position relative to the top plate of outer box,
Here dead point position refers to the box that fetches earth will not generate relative motion again relative to the top plate of outer box.Then by pulling first
Bracing wire and the second bracing wire so that blade is with plastic film along the fluting horizontal movement on outer box inner wall；In the first bracing wire
Under the action of the second bracing wire, band cutting blade cutting soil.Meanwhile first bracing wire and the second bracing wire drive plastic film, pass through
Plastic film detaches the soil body to fetch earth in box with the external soil body.Lifting outer box upwards, fetches earth to complete the first step.
It, can be thin along the peripheral direction manual cutting plastics for the box that fetches earth by the second blade after completing the first step and fetching earth
Then film pushes tablet by pushing push rod, to fetch earth, box releases outer box, you can carries out soil body sampling, so far
Entire process completion of fetching earth.
The beneficial effects of the invention are as follows：Soil by the way of blade cutting, plastic film sealing in Seperating box and outside box
Body avoids the variation of native internal water caused by suction, avoids the disturbance to the soil body, can effectively improve the effect that fetches earth.It should
Device is easy to soil sampler being inserted into weak soil, and is avoided that the disturbance generated to soft soil during fetching earth.Simultaneously, it is ensured that
During fetching earth, on the moisture in the soil body without influence；Drawing out soil equipment is simple, is easy to one man operation.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the diagrammatic cross-section of the present invention；
Fig. 3 is blade in the present invention, plastic film and bracing wire connection diagram；
Fig. 4 is the structural schematic diagram of the box that fetches earth in the present invention；
Fig. 5 is the structural schematic diagram of the push plate and push rod in the present invention；
It is marked in figure：The 1- first in command, 2- push rods, 3- second handles, 4- outer sleeves, the first bracing wires of 5-, 6- second are drawn
Line, 7- outer boxes hole, 8- cross bars, 9- telltale marks, 10- outer boxes, the first limited blocks of 11-, the second limited blocks of 12-,
13- fetches earth box, 14- push plates, 15- push plates hole, 16- cutting edges, 17- blades, 18- plastic films.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments.
As shown in Figures 1 to 5, the present invention includes the outer box 10 that bottom end is hatch frame, and outer box 10 is rectangular
The bottom face of shape, outer box 10 is provided with cutting edge 16 along its peripheral direction, and the cover top surface of outer box 10 is fixedly connected
There are outer sleeve 4, outer sleeve 4 to be arranged perpendicular to the top plate of outer box 10, be arranged with the box 13 that fetches earth in outer box 10, take
13 outer wall of native box is slidably matched with 10 inner wall of outer box, and 13 upper and lower ends of box that fetch earth are hatch frame, the top for the box 13 that fetches earth
End face is equipped with the push plate 14 for capableing of closed top end opening；Push plate 14 is equipped with push rod 2 on one side towards 10 top plate of outer box,
Push rod 2 pass through the top plate of outer box 10 after, be sheathed on the inner wall of outer sleeve 4,2 top of push rod is stretched out outside outer sleeve 4；
When top plate of the box 13 relative to outer box 10 that fetch earth is moved to dead point position, the inner wall of outer box 10 is fetching earth
Fluting is provided at the bottom face position of box 13, fluting is horizontally disposed along the peripheral direction of outer box 10, wherein one side wall
Fluting in be provided with blade 17, blade 17 is parallel to the side wall setting of outer box 10 and the cut direction of blade 17
It is arranged towards 10 inner horizontal of outer box, one end of blade 17 is fixedly connected with the first bracing wire 5, the other end is fixedly connected with the
Two bracing wires 6, the first bracing wire 5 is arranged in parallel with the second bracing wire 6 in the side wall of outer box 10, and is each perpendicular to the length of blade 17
Spend direction；Knife spine side between first bracing wire 5 and the second bracing wire 6 in blade 17 is fixedly installed plastic film 18, outer box
Specification after there is the cavity body structure for accommodating plastic film 18, plastic film 18 to be unfolded in the side wall of body 10 can will fetch earth
The bottom end opening of box 13 is completely enclosed；In the blade side of blade 17, the first bracing wire 5 and the second bracing wire 6 are along outer box 10
Fluting arrangement, and passed through out of outer box 10 side wall in fluting end point, until stretched from the top plate of outer box 10
Go out；By pulling the first bracing wire 5 and the second bracing wire 6, enable to blade 17 with plastic film 18 along 10 inner wall of outer box
On fluting horizontal movement.
In assembly, first push plate 14 is put into outer box 10, push plate 14 is that can just be put into.Then it can take
Lubricant is smeared in the outside of native box 13, then the box 13 that will fetch earth is put into outer box 10, the outside for 13 box body of box that fetches earth with it is outer
Portion's box body 10 is bonded, and 13 box body of box that fetches earth need to have certain thickness, with ensure to fetch earth subsequently through push plate 14 box 13 from
It is taken out in outer box 10.
When implementation, in place appropriate location, the cutting edge 16 of outer box 10 is downward, is exerted a force by outer sleeve 4, will be external
Box body 10 is pressed into soil, until fetching earth has taken full soil inside box 13, fetch earth at this time box 13 relative to outer box 10 top plate
It is moved to dead point position, dead point position here refers to the box 13 that fetches earth will not generate opposite fortune again relative to the top plate of outer box 10
It is dynamic.Then by pulling the first bracing wire 5 and the second bracing wire 6 so that blade 17 is with plastic film 18 along 10 inner wall of outer box
On fluting horizontal movement；Under the action of the first bracing wire 5 and the second bracing wire 6, band 17 cutting soil of cutting blade.Meanwhile first
Bracing wire 5 and the second bracing wire 6 drive plastic film 18, will be fetched earth the soil body in box 13 and the external soil body point by plastic film 18
From.Lifting outer box 10 upwards, fetches earth to complete the first step.
It, can be by the second blade along the peripheral direction manual cutting plastics for the box 13 that fetches earth after completing the first step and fetching earth
Then film 18 pushes tablet 14 by pushing push rod 2, to fetch earth, box 13 releases outer box 10, you can carries out soil
Body samples, and the process that so far entirely fetches earth is completed.
The first bracing wire 5 and the second bracing wire 6, in the blade side of blade 17, the first bracing wire 5 and second are pulled for convenience of synchronous
After the stretching of the top plate of outer box 10, the two is fixedly connected by cross bar 8 for bracing wire 6.First bracing wire 5 and the second bracing wire 6
It is made of steel wire.
In the knife spine side of blade 17, the first bracing wire 5 is passed through with the second bracing wire 6 out of outer box 10 side wall, until
It is stretched out from the top plate of outer box 10.The loading of plastic film 18 can be facilitated in this way, and when the completion first step fetches earth, passed through
5 both ends of the first bracing wire and 6 both ends of the second bracing wire are pulled, plastic film 18 can be made to fit closely the bottom of sampling box 13.
To prevent the first bracing wire 5 and the second bracing wire 6 from can be detached from outer box 10, in the knife spine side of blade 17, the
After the stretching of the top plate of outer box 10, the end of the first bracing wire 5 is connected with the first limited block 11 for one bracing wire 5 and the second bracing wire 6,
The end of second bracing wire 6 is connected with the second limited block 12.Cylindrical iron can be used in first limited block 11 and the second limited block 12
Block.
For convenience of positioning, when top plate of the box 13 relative to outer box 10 that fetch earth is moved to dead point position, outer box 10
Outer wall the top end face corresponding position for the box 13 that fetches earth is provided with telltale mark 9.Outer box 10 is pressed into soil, outer when reaching
When the telltale mark 9 in the outside of portion's box body 10, stop applied force, has expired inside the box 13 that illustrates to fetch earth.
For convenience of thrust is steadily applied, the bottom end of push rod 2 is vertical with push plate 14 to be fixedly connected.
For convenience of operation, one end that push rod 2 stretches out outer sleeve 4 is fixedly connected with the first in command 1.The top of outer sleeve 4
End is fixedly connected with second handle 3.
It is provided with outer box hole 7 on the top plate of outer box 10, push plate hole 15 is provided in push plate 14.By setting
Outer box hole 7 and push plate hole 15 are set, the outflow of the discharge and soil body upper water of gas in box when beginning is easy to.
Claims (9)
1. soil sampler, it is characterised in that：Including the outer box (10) that bottom end is hatch frame, outer box (10) is rectangular
The bottom face of shape, outer box (10) is provided with cutting edge (16) along its peripheral direction, and the cover top surface of outer box (10) is solid
Surely it is connected with outer sleeve (4), outer sleeve (4) is arranged perpendicular to the top plate of outer box (10), outer box (10) inner sleeve
Equipped with the box that fetches earth (13), the box that fetches earth (13) outer wall is slidably matched with outer box (10) inner wall, and the box that fetches earth (13) upper and lower ends are equal
For hatch frame, the top end face of the box that fetches earth (13) is equipped with the push plate (14) for capableing of closed top end opening；Push plate (14) is outside
Portion's box body (10) top plate is equipped with push rod (2) on one side, push rod (2) pass through the top plate of outer box (10) after, be sheathed on outside
Outer sleeve (4) is stretched out outside in the inner wall of sleeve (4), push rod (2) top；
When the box that fetches earth (13) is moved to dead point position relative to the top plate of outer box (10), the inner wall of outer box (10) is taking
Fluting is provided at the bottom face position of native box (13), fluting is horizontally disposed along the peripheral direction of outer box (10), wherein
Blade (17) is provided in the fluting of one side wall, blade (17) is parallel to the side wall setting of outer box (10) and blade
(17) cut direction is arranged towards outer box (10) inner horizontal, and one end of blade (17) is fixedly connected with the first bracing wire
(5), the other end is fixedly connected with the second bracing wire (6), side wall of the first bracing wire (5) with the second bracing wire (6) in outer box (10)
It is inside arranged in parallel, and is each perpendicular to the length direction of blade (17)；In blade between first bracing wire (5) and the second bracing wire (6)
(17) knife spine side is fixedly installed plastic film (18), has in the side wall of outer box (10) and accommodates plastic film (18)
Cavity body structure, the specification after plastic film (18) expansion can will fetch earth box (13) bottom end opening it is completely enclosed；
The blade side of blade (17), the first bracing wire (5) and the second bracing wire (6) arrange along the fluting of outer box (10), and
Fluting end point is passed through out of outer box (10) side wall, until being stretched out from the top plate of outer box (10)；By pulling the
One bracing wire (5) and the second bracing wire (6) enable to blade (17) with plastic film (18) along on outer box (10) inner wall
Fluting horizontal movement.
2. soil sampler as described in claim 1, it is characterised in that：In the blade side of blade (17), the first bracing wire (5) and the
After the stretching of the top plate of outer box (10), the two is fixedly connected by cross bar (8) for two bracing wires (6).
3. soil sampler as described in claim 1, it is characterised in that：In the knife spine side of blade (17), the first bracing wire (5) and the
Two bracing wires (6) are passed through out of outer box (10) side wall, until being stretched out from the top plate of outer box (10).
4. soil sampler as claimed in claim 3, it is characterised in that：In the knife spine side of blade (17), the first bracing wire (5) and the
After the stretching of the top plate of outer box (10), the end of the first bracing wire (5) is connected with the first limited block (11) for two bracing wires (6), the
The end of two bracing wires (6) is connected with the second limited block (12).
5. the soil sampler as described in any one of Claims 1-4, it is characterised in that：When the box that fetches earth (13) is relative to outside
When the top plate of box body (10) is moved to dead point position, the outer wall of outer box (10) is in the top end face corresponding position of the box that fetches earth (13)
It is provided with telltale mark (9).
6. the soil sampler as described in any one of Claims 1-4, it is characterised in that：The bottom end of push rod (2) and push plate (14)
Vertically it is fixedly connected.
7. the soil sampler as described in any one of Claims 1-4, it is characterised in that：Push rod (2) stretches out outer sleeve (4)
One end be fixedly connected with the first in command (1).
8. the soil sampler as described in any one of Claims 1-4, it is characterised in that：The top of outer sleeve (4), which is fixed, to be connected
It is connected to second handle (3).
9. the soil sampler as described in any one of Claims 1-4, it is characterised in that：It is set on the top plate of outer box (10)
It is equipped with outer box hole (7), push plate hole (15) is provided in push plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810834253.7A CN108709767B (en) | 2018-07-26 | 2018-07-26 | Soil sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810834253.7A CN108709767B (en) | 2018-07-26 | 2018-07-26 | Soil sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108709767A true CN108709767A (en) | 2018-10-26 |
| CN108709767B CN108709767B (en) | 2023-12-01 |
Family
ID=63874285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810834253.7A Active CN108709767B (en) | 2018-07-26 | 2018-07-26 | Soil sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108709767B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297756A (en) * | 2018-11-27 | 2019-02-01 | 交通运输部天津水运工程科学研究所 | A kind of high-moisture percentage silt soil sampler |
| CN109655308A (en) * | 2019-01-31 | 2019-04-19 | 中国地质大学（武汉） | A kind of Portable detachable opening soil sampler suitable for sludge soft |
| CN110044759A (en) * | 2019-03-18 | 2019-07-23 | 中国水利水电科学研究院 | A kind of dual biomass measuring device in meadow ground-underground |
| CN110295864A (en) * | 2019-06-11 | 2019-10-01 | 广东省交通规划设计研究院股份有限公司 | A kind of light-duty man power corning machine for engineering geological investigation |
| CN114323765A (en) * | 2022-01-11 | 2022-04-12 | 北京中兴恒工程咨询有限公司 | Soil analysis sampling device |
| CN114414287A (en) * | 2022-01-18 | 2022-04-29 | 中国人民解放军陆军勤务学院 | On-site undisturbed soil block sampling device easy to transport and small in disturbance and sampling method thereof |
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