CN106872209A - A kind of shallow-layer sediment columnar sampler - Google Patents
A kind of shallow-layer sediment columnar sampler Download PDFInfo
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- CN106872209A CN106872209A CN201710157701.XA CN201710157701A CN106872209A CN 106872209 A CN106872209 A CN 106872209A CN 201710157701 A CN201710157701 A CN 201710157701A CN 106872209 A CN106872209 A CN 106872209A
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- 239000013049 sediment Substances 0.000 title claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 53
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000000523 sample Substances 0.000 description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 239000010410 layer Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- -1 silt Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003911 water pollution 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
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- 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)
Abstract
A kind of shallow-layer sediment columnar sampler, including handle, sampling apparatus and locking device, handle are from top to bottom T-shaped handle (1) and connection handle (2), and the two is connected by connecting parts I (3)；Sampling apparatus includes outer tube (6) and inner sleeve (7)；Inner sleeve (7) bottom is provided with inner sleeve breach (15), the upper end of inner sleeve (7) and the lower end of connection handle (2) are connected by connecting parts II (9), are provided with female groove on the outer wall of connecting parts II (9)；Outer tube (6) bottom chamfers to form drill bit (5), and middle part is provided with outer tube breach (12), and top has determines bolt track (11)；The one end for determining bolt (8) is affixed with groove afterwards through bolt track (11) is determined；Locking device is the hinge (13) being connected with outer tube (6).The sampler can be maximally maintained the integrality of the cylindrical sample of the shallow-layer bed mud of original state, can effectively reduce analytical error.
Description
Technical field
The present invention relates to a kind of sampler, and in particular to a kind of shallow-layer sediment columnar sampler.
Background technology
Bed mud is the mixture of clay, silt, organic matter and various mineral by long-time physics, chemistry and biology etc.
Effect and water body are transmitted and are deposited on water bottom formation, because bed mud can cause the endogenous of water body to water body release pollutant
Pollution, thus the important channel of collection and analysis as improvement water pollution to Sediments.
The sampling of bed mud, it is desirable to which it keeps the integrality of bed mud sample, authenticity to greatest extent.According to sampling principle,
Gripping-type sampler can be divided into and the major class of formula sampler two is drilled through, gripping-type sampler does not consider that bed mud is longitudinally cutd open in design
The feature in face, destroys the integrality of bed mud sample longitudinal profile to a certain extent；Formula sampler is drilled through by artificial outer
Power or hydrostatic pressure are acted on sampler, bed mud is entered into sampler from the thief hatch of sampler, the bottom gathered with it
Mud sample is column, and researcher can be layered by bed mud, comprehensively to understand the essential characteristic of bed mud, but commonly use at present
The formula sampler of drilling through mostly mono-layer tube, immediately must take out mud sample from probe tube after every sub-sampling, be carried out again after cleaning next
Sample sampling work, and mud sample, due to losing the styling of probe tube, research ground is being returned to from sample point from after probe tube taking-up
That puts is susceptible in transit fracture, and its integrality is destroyed.
The content of the invention
For the problem that above-mentioned prior art is present, the present invention provides a kind of shallow-layer sediment columnar sampler, its operation letter
Easily, the integrality of the cylindrical sample of the shallow-layer bed mud of original state can be maximally maintained, analytical error can be effectively reduced.
To achieve these goals, the present invention provides a kind of shallow-layer sediment columnar sampler, including handle, sampling apparatus and
Locking device, also including determining bolt,
Described handle is from top to bottom T-shaped handle and connection handle, and the two is connected by connecting parts I；
Described sampling apparatus includes outer tube and inner sleeve, and inner sleeve is placed in the inside of outer tube；
Inner sleeve breach is provided with the side wall of described inner sleeve bottom, the upper end of inner sleeve and the lower end of connection handle lead to
Connecting parts II connections are crossed, is provided with female groove on the outer wall of described connecting parts II；
Described outer sleeve bottom is chamfer to form drill bit, and outer tube breach is provided with the side wall at middle part, and top correspondence is described
Crosscutting arc length of the arc length not less than outer tube breach determined bolt track, determine bolt track for forming a bar shaped in the position of groove；
Overcoat tube outer surface above drill bit tangent plane is arranged with a pair of banking stops；Described outer tube breach has folded with inner sleeve breach
Conjunction portion；
Described one end for determining bolt is connected in the groove through determining bolt track rear thread；
Described locking device is the upward hinge of closing direction, and described hinge is located at the upper of outer sleeve bottom angular cut
Side, its transverse axis is vertical with overcoat tube wall and is fixedly connected on overcoat tube wall inner side.
The present invention is used cooperatively by by inner sleeve and outer tube, realizes the technique effect of bimetallic tube sampling, specifically
Inner sleeve is connected by connecting parts with handle, and is opened up on the outer wall of connecting parts with female groove, for it is fixed
Bolt coordinates, and inner sleeve is placed in inside outer tube, and one is laterally cut out on the outer tube of the height and position corresponding to groove
Bolt track is determined in bar shaped, and cooperation is tightened in the one end for determining bolt through this track and with groove, and rotating T-handle can be by determining spiral shell
Bolt drive inner sleeve rotary motion on bolt track is determined, the setting of banking stop can be prevented when T-shaped handle is rotated, outer tube meeting
As inner sleeve is rotated.When banking stop is vertically inserted in bed mud, its rotation of spacing outer tube of energy in mud is spent, so that not only
Only operation can be just sampled by rotating T-handle, and can reduce the destruction in sampling process to bed mud, help to adopt
The accuracy of sample.Open up jagged on inner sleeve and outer tube, and the two breach have overlapping portion, and overlapping shape is kept during sampling
State, can guarantee that the balance of each side power in underwater sampling pipe, can keep the pressure everywhere of the mud sample entered by outer tube bottom
Balance, it is so not only small to the perturbation of bed mud during sampling to ensureing, and also ensure the structure of each layer of taken mud sample
It is difficult to be destroyed, taken mud sample accuracy can be ensured, inner sleeve and the optimal state of outer tube is that inner sleeve breach is complete
Included in outer sleeve pipe breach, before sampling operation, inner sleeve breach and outer tube breach is farthest overlapped, revolved
Enter to determine bolt, the length of handle is selected according to water depth and sampling depth, install, be in internal and external casing and be relatively fixed
State, water body is vertically slowly inserted into by sampler, after reaching sampling depth, rotates T-shaped handle, and bolt track is determined on inner sleeve edge
Rotation, when rotating to the track other end, inner sleeve breach avoids outer tube breach completely, and mud sample self-assembling formation column will sample
Device is left the water, and is screwed off and is determined bolt, and the inner sleeve that will be equipped with mud sample takes out, and when carrying out next place's sampling, changes new inner sleeve
, small to bed mud disturbance during this sampler samples, the inner sleeve that mud sample can be will be filled with after the completion of sampling directly takes out, from sampling
Point takes study site to, and inner sleeve is always maintained at the sizing to mud sample in transportation, has been maximally maintained the shallow of original state
The integrality of the cylindrical sample of layer bed mud, effectively reduces analytical error, for the collection and analysis of Sediments provide behaviour
Make simple, practical, accurate device.
Further, in order that more laborsaving during sampling, the tangent plane of drill bit and sampling insert angle between face for 45 °~
70°。
Further, accurately sampled in order to be able to pair set the shallow-layer bed mud of depth, meanwhile, also for can be easy to determine water
Length scales are equipped with depth and sampling depth, T-shaped handle and connection handle.
Further, for the ease of the order up and down of differentiation sample, inner sleeve is provided with sampling level identities.
Further, for the ease of inner sleeve during rotation can the successfully pillared mud sample of shape, outer tube lacks
Mouth and inner sleeve breach are 120 ° of cambered surface.When outer tube breach and inner sleeve breach are 120 ° of cambered surface, inner sleeve
The mud sample rotary-cut that only needing to turn over the angle slightly larger than 120 ° will can be taken goes out a sample body for column.Meanwhile, outer tube
When breach and inner sleeve breach are 120 ° of cambered surface, pressure that can be during effectively balanced sample is crossed kind has power-assisted to lift sampling
Precision.
Further, in order to ensure that bed mud is into that can have larger stroke during sampling during inner sleeve, the inner sleeve is scarce
The height of mouth accounts for the 1/3 of inner sleeve height.So, depositing because of inner sleeve tube wall is avoided that when mud sample is up in stroke in this section
And to the effect of the radial compression of the generation of mud sample, and then the destruction because of extruding to mud spline structure may be avoided that.
Further, described hinge is ellipse.
Further, in order to can be more laborsaving in sampling process, the outer tube be the PVC that external diameter is tapered into from top to bottom
Pipe, the inner sleeve is the external diameter PVC pipes for tapering into synchronous with the outer tube from top to bottom, outer tube and inner sleeve
Its outer wall and the angular range of vertical direction are 0.5 °~1.5 ° when pipe is placed vertically.
Simple structure of the present invention, easy to carry, with low cost, operation is simple, and sampling is practical, accurate, easily promotes, during sampling
It is small to bed mud disturbance, can be sampled using set point and the cylindrical sample of the complete shallow-layer bed mud for maintaining the original state for setting depth
Product analysis time error is small, so as to contribute to the accurate research to bed mud property；The present invention can be additionally used in other shallow-water deposit thing posts
The collection of shape sample.
Brief description of the drawings
Fig. 1 is external view of the invention；
Fig. 2 is the half sectional view of the invention shown in Fig. 1；
Fig. 3 be in Fig. 1 A-A to sectional view；
Fig. 4 is B-B direction sectional view in Fig. 1；
Fig. 5 be in Fig. 1 C-C to sectional view.
In figure：1st, T-shaped handle, 2, connection handle, 3, connecting parts I, 4, length scales, 5, drill bit, 6, outer tube, 7, inner sleeve
Pipe, 8, determine bolt, 9, connecting parts II, 10, sample level identities, 11, determine bolt track, 12, outer tube breach, 13, hinge,
14th, banking stop, 15, inner sleeve breach.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Fig. 1 to 5, a kind of shallow-layer sediment columnar sampler, including handle, sampling apparatus and locking device, also wrap
Include and determine bolt 8, described handle is from top to bottom T-shaped handle 1 and connection handle 2, and the two is connected by connecting parts I3；
Described sampling apparatus includes outer tube 6 and inner sleeve 7, and inner sleeve 7 is placed in the inside of outer tube 6；The He of outer tube 6
Inner sleeve 7 can be made of reusable PVC material；
Inner sleeve breach 15, upper end and the connection handle 2 of inner sleeve 7 are provided with the side wall of the described bottom of inner sleeve 7
Lower end is connected by connecting parts II9, is provided with female groove on the outer wall of described connecting parts II9；Handle 2, plug into
Part I3 and connecting parts II9 can be made of stainless steel material.Connecting parts I3 and connecting parts II9 can be with internal thread
Sleeve pipe.
The described bottom of outer tube 6 is chamfer to form drill bit 5, and outer tube breach 12, top correspondence are provided with the side wall at middle part
The position of the groove is crosscutting form a bar shaped determine bolt track 11, determine the arc length of bolt track 11 not less than outer tube breach
12 arc length；Described outer tube breach 12 has overlapping portion with inner sleeve breach 15；Rotated for the ease of T-handle 1, and prevented
Outer tube 6 is rotated with inner sleeve 7, and it is the spacing of PVC that a pair of materials are symmetrical arranged on the outer surface of outer tube 6 above tangent plane
Piece 14.Banking stop 14 is parallel with the slotting face of sampling, and it can be square, and can be made up of PVC material.When banking stop 14 is perpendicular
During in insertion bed mud, its rotation of spacing outer tube 6 of energy in mud is spent, so that can not only only by rotating T-handle 1 with regard to energy
It is sampled operation, and the destruction in sampling process to bed mud can be reduced, contributes to the accuracy of sampling.
Described one end for determining bolt 8 is connected in the groove through determining the rear thread of bolt track 11；
Determine bolt 8 and be slidably matched to realize driving the relative outer tube 6 of inner sleeve 7 carry out certain angle with bolt track 11 is determined
Rotation, determining the arc length of bolt track 11 can meet when determining bolt 8 and rotating wherein, and inner sleeve breach 15 can be by inner sleeve 7
The state overlapped with outer tube breach 12 turns to the state of non-overlapping.The internal diameter phase of the external diameter of inner sleeve 7 and outer tube 6
Match somebody with somebody, so, determine in the drive rotation process of inner sleeve 7 of bolt 8, the side wall away from inner sleeve breach 15 of inner sleeve 7 can be made
The position of outer tube breach 12 is turned to, by outer tube breach 12 to closing.
Described locking device is the upward hinge 13 of closing direction, and described hinge 13 chamfers positioned at the bottom of outer tube 6
The top of mouth, its transverse axis is vertical with the tube wall of outer tube 6 and is fixedly connected on the tube wall of outer tube 6 inner side.Hinge 13 reaches and closes upwards
During summit during conjunction, the lower end with inner sleeve 7 connects just, and when sampler is downwardly into, hinge 13 is closed upwards, outward
Sampling passway of the sleeve pipe 6 at hinge 13 is opened, and when sampler is proposed upwards, enters into the mud sample of the top of hinge 13
Downward pressure can be produced to hinge 13, and then hinge 13 is opened the closed upper part of outer tube 6 downwards.
Drill bit 5 is smoothly in insertion bed mud during for the ease of sampling, angle between the tangent plane of drill bit 5 and slotting face for 45 °~
70 °, preferably 60 °, be can guarantee that at 60 ° it is most laborsaving during sampling, especially in the place that bed mud is harder, can be more convenient for sampling when
Smooth insertion；
As depicted in figs. 1 and 2, accurately sampled in order to be able to pair set the shallow-layer bed mud of depth, meanwhile, also for can be easy to
Determine the depth of water and sampling depth, length scales 4 are equipped with T-shaped handle 1 and connection handle 2.
For the ease of distinguishing the order up and down of sample, as shown in Fig. 2 being provided with sampling level identities on inner sleeve 7
10.Sampling level identities 10 can be font ID, such as " on " or D score, or protrusion be arranged on the inwall of inner sleeve 7
Raised line or recess, when for raised line or recess, it can form depressed area or protuberance on acquired mud sample, so as to
Mud sample remains to easily be recognized by sampler after taking-up.
It is to ensure each side pressure balance in pipe in sampling, and beneficial to the resistance reduced during collector is pushed, outward
Sleeve pipe breach 12 and inner sleeve breach 15 are cut to the cambered surface for 120 °, when outer tube breach 12 and inner sleeve breach 15 are
During 120 ° of cambered surface, the mud sample rotary-cut that inner sleeve 7 only needs to turn over the angle slightly larger than 120 ° and will can be taken goes out a post
The sample body of shape, it is because 240 ° of the side relative with inner sleeve breach 15 of cambered surface is with the presence of tube wall, i.e., first in sampling
During the beginning, the tube wall of the cambered surface of 240 ° of this part of inner sleeve 7 has formd 240 ° of cambered surfaces of column mud sample, as long as inner sleeve 7
120 ° were rotated, the rotary-cut to remaining 120 ° of cambered surfaces of column mud sample can be completed, so as to form a complete column
Mud sample.Meanwhile, when outer tube breach 12 and inner sleeve breach 15 are 120 ° of cambered surface, effectively can cross in kind balanced sample
Pressure, can farthest ensure the precision of sampling, moreover it is possible to effectively reduce force intensity during sampling.Wherein inner sleeve breach 15
Upper end can be with the upper end of a little higher than outer tube breach 12, it is also possible to and outer tube breach 12 upper end flush；Inner sleeve lacks
The lower end of mouth 15 can be slightly less than the lower end of outer tube breach 12, it is also possible to and the lower end flush of outer tube breach 12, such energy
More preferable sealing effect is formed, can more effectively be ensured the integrality of mud sample and be not destroyed property.Outer tube 6 and inner sleeve 7 can
Being the outer tube diameter PVC pipe consistent up and down with interior caliber.And in order to be able to more labour-saving is sampled, as another kind side
The outer tube diameter of case, outer tube 6 and inner sleeve 7 can be tapered into from top to bottom, and the internal diameter of outer tube 6 and inner sleeve 7 can be with
It is unanimous between the higher and lower levels, it is also possible to be tapered into from top to bottom with outer tube diameter is the same, so can also make the outward appearance of sampler integrally in stream
Line style is more attractive in appearance.The outer tube 6 and inner sleeve 7 are PVC pipes, when outer tube 6 and inner sleeve 7 external diameter synchronously
When tapering into from top to bottom, its outer wall and the angular range of vertical direction are 0.5 ° when outer tube 6 and inner sleeve 7 are placed vertically
~1.5 °, best angle is that its outer wall is 1 ° with the angle of vertical direction when outer tube 6 and inner sleeve 7 are placed vertically.In order to
Bed mud accounts for the height of inner sleeve 7 into the height that can have larger stroke, inner sleeve breach 15 during inner sleeve when ensureing sampling
1/3.So, it is avoided that because the presence of inner sleeve tube wall may be to the generation of mud sample when mud sample is up in stroke in this section
Radial compression is acted on, and then is avoided that the destruction because of extruding to mud spline structure.Hinge 13 is preferably ellipse.
When using, after connecting with inner sleeve 7 with reeded connecting parts II9 first, by the sampling level on inner sleeve 7
Mark 10, for example " on " mark guide inner sleeve 7 is placed in outer tube 6, inner sleeve breach 15 is superimposed on overcoat completely
In pipe breach 12, and bolt 8 will be determined screwed in the groove connect on connecting parts II9 by the bolt track 11 determined above outer tube 6；
The length of handle is selected according to water depth and sampling depth, for example, every section of handle section is needed in this embodiment
It is long one meter, with screw thread connecting parts I3 plug into T-shaped handle 1 be connected handle 2,2 meters of handles long of formation, then by this 2 meters long
Handle is connected with connecting parts II9；
After installing, probe tube is vertically slowly inserted into water body by alignment set point, when drill bit 5 touches water and bed mud
During interface, read reading a (depth of water) of the water surface on handle, continue downwards it is uniform firmly, when the water surface handle reading b and a it
When difference is just for set depth, sampling depth is reached, bed mud washes hinge 13 open under the effect of the pressure, into sampler, and will be outer
The lower space of sleeve pipe 6 and inner sleeve 7 is filled, and stops downwards firmly, rotating T-shaped handle 1, makes inner sleeve breach 15 fixed
The drive lower edge of bolt 8 is determined bolt track 11 and turns to the other end for determining bolt track 11, and at this moment inner sleeve breach 15 is kept away completely
Over sleeve pipe breach 12, now, mud sample in inner sleeve 7 forms column, T-shaped handle 1 is then moved repeatedly up and down, repeatedly 3-5
After secondary, sampler is lentamente carried upwards.During the entire process of probe tube inserts water body and bed mud, due to outer tube breach 12 with
Inner sleeve breach 15 is coincided and whole handle, sampling pipe are communicated with air, thus the power of each side is in poised state in pipe,
Most labour-saving state can be reached when so sampling, while also can farthest reduce the perturbation to bed mud, and then can be protected
The accuracy of the mud sample to being taken is demonstrate,proved, the form and structure of taken mud sample will not be destroyed.
When sampler inserts water body and bed mud, hinge 13 is closed upwards, and passway is opened, and is carried upwards in sampler
When going out, the Gravitative Loads of mud sample of the hinge 13 due to being entered and be under pressure, and hinge 13 is opened downwards and will be outer
The bottom of sleeve pipe 6 blocks to form the effect of closing, the maximum rating that the hinge 13 is opened downwards for two hinges with outward
The axial line of sleeve pipe 6 is perpendicular, that is, be in horizontality.
During sampling, probe tube entirety is first inclined, after after water discharge, screw off and determine bolt 8, and make it from bolt track 11 is determined
Remove, the inner sleeve 7 that will be equipped with mud sample takes out from outer tube 6 and places, cleaning outer tube 6 simultaneously replaces with new inner sleeve 7,
Continue to gather other set point samples.
After all samples take back laboratory, mud sample is taken out from inner sleeve breach 15, and can be needed sample according to research
Layering, after sample is taken, can be recycled after inner sleeve 7 is cleaned up.
Claims (8)
1. a kind of shallow-layer sediment columnar sampler, including handle, sampling apparatus and locking device, it is characterised in that also including fixed
Bolt (8),
Described handle is from top to bottom T-shaped handle (1) and connection handle (2), and the two is connected by connecting parts I (3)；
Described sampling apparatus includes outer tube (6) and inner sleeve (7), and inner sleeve (7) is placed in the inside of outer tube (6)；
Inner sleeve breach (15), the upper end of inner sleeve (7) and connection handle are provided with the side wall of described inner sleeve (7) bottom
(2) lower end is connected by connecting parts II (9), is provided with female groove on the outer wall of described connecting parts II (9)；
Described outer tube (6) bottom is chamfer to form drill bit (5), and outer tube breach (12), top pair are provided with the side wall at middle part
Answer that the position of the groove is crosscutting to be formed a bar shaped and determine bolt track (11), determine the arc length of bolt track (11) not less than overcoat
The arc length of pipe breach (12)；Outer tube (6) outer surface above drill bit (5) tangent plane is arranged with a pair of banking stops (14)；It is described
Outer tube breach (12) and inner sleeve breach (15) have overlapping portion；
Described one end for determining bolt (8) is connected in the groove through determining bolt track (11) rear thread；
Described locking device is the upward hinge (13) of closing direction, and described hinge (13) is oblique positioned at outer tube (6) bottom
The top of otch, its transverse axis is vertical with outer tube (6) tube wall and is fixedly connected on outer tube (6) tube wall inner side.
2. a kind of shallow-layer sediment columnar sampler according to claim 1, it is characterised in that the tangent plane of drill bit (5) with take
The angle that sample inserts between face is 45 °~70 °.
3. a kind of shallow-layer sediment columnar sampler according to claim 1 and 2, it is characterised in that T-shaped handle (1) and even
Length scales (4) are equipped with connecting handle (2).
4. a kind of shallow-layer sediment columnar sampler according to claim 3, it is characterised in that inner sleeve (7) is provided with and takes
Sample level identities (10).
5. a kind of shallow-layer sediment columnar sampler according to claim 4, it is characterised in that outer tube breach (12) and interior
Sleeve pipe breach (15) is 120 ° of cambered surface.
6. a kind of shallow-layer sediment columnar sampler according to claim 5, it is characterised in that the inner sleeve breach (15)
Height account for the 1/3 of inner sleeve (7) height.
7. a kind of shallow-layer sediment columnar sampler according to claim 6, it is characterised in that described hinge (13) is ellipse
It is circular.
8. a kind of shallow-layer sediment columnar sampler according to claim 7, it is characterised in that the outer tube (6) is outer
The PVC pipes that footpath tapers into from top to bottom, the inner sleeve (7) is external diameter synchronous with the outer tube (6) from top to bottom
Its outer wall is with the angular range of vertical direction when the PVC pipes for tapering into, outer tube (6) and inner sleeve (7) are placed vertically
0.5 °~1.5 °.
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| CN201710157701.XA CN106872209A (en) | 2017-03-16 | 2017-03-16 | A kind of shallow-layer sediment columnar sampler |
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| CN201710157701.XA CN106872209A (en) | 2017-03-16 | 2017-03-16 | A kind of shallow-layer sediment columnar sampler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060414A (en) * | 2018-09-30 | 2018-12-21 | 中国环境科学研究院 | A kind of bed mud in river sampling apparatus |
| CN110907233A (en) * | 2019-08-08 | 2020-03-24 | 青岛海洋地质研究所 | Portable seabed normal position shallow surface layer deposit sampling device |
| CN116973511A (en) * | 2023-07-25 | 2023-10-31 | 秦皇岛市政建材集团有限公司 | Device and method for measuring filling degree of grouting material |
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