CN110186713A - A kind of bottom sampler - Google Patents
A kind of bottom sampler Download PDFInfo
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- CN110186713A CN110186713A CN201910482397.5A CN201910482397A CN110186713A CN 110186713 A CN110186713 A CN 110186713A CN 201910482397 A CN201910482397 A CN 201910482397A CN 110186713 A CN110186713 A CN 110186713A
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- material layer
- magnetic material
- bottom sampler
- drop hammer
- gravity drop
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of bottom samplers, the bottom sampler includes capping, upper bush, connection cover, lower sleeve, sampling head, gravity drop hammer, pull rod and probe tube, capping, which sets gradually and is removably secured with upper bush, connection cover, lower sleeve, sampling head, to be connect, and gravity drop hammer is located at reciprocable in upper bush, and the hole that pull rod is slidably disposed through capping is fixedly connected with gravity drop hammer, probe tube is set in lower sleeve, and the first end of lower sleeve is removably secured with probe tube to be connect；Solid material layer is set in connection cover, and solid material layer includes that the opposite polarity magnetic material layer of gravity drop hammer, the bottom of gravity drop hammer are provided with groove identical with magnetic material layer shape.Bottom sampler provided by the invention, using removably mode is fixedly connected with, easy to carry, realization bottom sampler can smoothly enter operation in deep sea waters, it is realized simultaneously when taking out bed mud sample and each layer of height of bed mud sample is read, to improve work efficiency.
Description
Technical field
The invention belongs to the technical fields of environmental monitoring and research, improvement, and in particular to a kind of bottom sampler.
Background technique
During environmental monitoring and research, improvement, the area deposition object for lake, seabed is needed to be monitored,
Purpose is the vertical distribution of the chemical component and benthon of research each level of deposit in mud, needs to use gravity column
Shape bottom sampler carries out columnar acquisition, it is ensured that does not upset the natural layer of deposit.Traditional gravity profile lead relies on certainly
Bottom sampler is directly inserted into deposit by the weight of body, and due to the limitation of bottom sampler own wt, the depth that can be acquired has
Limit, can only acquire the deposit of shallow-layer, and the study sample for being not suitable for deepwater regions, which acquires, to be used, and traditional gravity soil sampling device
Excessively heavy, placement can aboard ship generate security risk.
Summary of the invention
In view of the above-mentioned problems, present invention seek to address that problem as described above.It is an object of the present invention to provide one kind
Solve the bottom sampler of any one of problem above.Specifically, present invention offer can smoothly enter deep sea waters
Middle operation and portable bottom sampler.
In order to solve the above technical problems, the bottom sampler includes envelope it is an object of the present invention to provide a kind of bottom sampler
Lid, upper bush, connection cover, lower sleeve, sampling head, gravity drop hammer, pull rod and probe tube, it is described capping with upper bush, connection cover, under
Sleeve, sampling head set gradually and are removably secured connection, and the gravity drop hammer is located at reciprocable in upper bush, the drawing
The hole that bar is slidably disposed through the capping is fixedly connected with the gravity drop hammer, probe tube is arranged in the lower sleeve, under described
The first end of sleeve is removably secured with the probe tube and connect；Solid material layer is set in the connection cover, it is described solid
Material layer includes being provided with and the magnetic material with the opposite polarity magnetic material layer of the gravity drop hammer, the bottom of the gravity drop hammer
The identical groove of bed of material shape.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
The magnetic material layer includes the first magnetic material layer and the second magnetic material layer, first magnetic material layer
Cross section is greater than the cross section of second magnetic material layer.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
The cross section of the groove is greater than the cross section of second magnetic material layer, and the depth of the groove is greater than described
The height of second magnetic material layer；In the state that the gravity drop hammer is not by pulling force, second magnetic material layer is located at described
In groove.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
First magnetic material layer is cylindrical structure, and second magnetic material layer is cylindrical structure.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
Puller system is provided on the pull rod, in a state of use, the puller system acts on the pull rod, with
Make the pull rod that the gravity drop hammer be driven to move back and forth.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
The sampling head includes several guide vane structures, the second end of several guide vane structures along sampling head
The distribution that periphery is in contact, the first end of the sampling head are removably secured with the second end of the lower sleeve and connect；Arbitrarily
The angle of the rotatable connection of second end of one guide vane structure and sampling head, rotation is predetermined angular, when described
The second end of sampling head forms closing face between several guide vane structures at lower section, wherein the predetermined angular is
0~90 degree.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
Any one of guide vane structure includes the first blade and the second blade, first blade and described second
Cooperate contact between blade；One end of first blade is equipped with the first clamping portion, and one end of second blade is equipped with
Second clamping portion, the guide vane structure pass through the of the first clamping portion and second clamping portion and the sampling head respectively
The rotatable connection in two ends, when the sampling head second end is at lower section, the main body of first blade and the master of the second blade
Closing face is complemented each other to form between body.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
The first chest expander and the second chest expander is respectively set in the capping two sides, in process of rising or falling, described
One chest expander and second chest expander act on the bottom sampler simultaneously, so that the bottom sampler moves along the vertical direction.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
The lateral surface of the lower sleeve is provided with scale along the vertical direction, and the lateral surface of the lower sleeve is set along the vertical direction
Set multiple peep holes, the position of the scale and the multiple peep hole is not overlapped.
Wherein, above-mentioned bottom sampler can also have the following characteristics that
It further include pushing away mud bar, pressing plate, the perimeter of the pressing plate and the probe tube inner circumferential is arranged in the lower end for pushing away mud bar
Long equal, the vertically arranged multiple measured holes of lateral surface for pushing away mud bar.
Bottom sampler of the invention uses and is removably fixedly connected with mode, easy to carry, is carrying out lightweight to bottom sampler
While, the impact force to bottom sampler can be formed by the reciprocating motion of gravity drop hammer, realize that bottom sampler can smoothly enter
Operation in deep sea waters can form the closing face with weight-bearing function by one end of sampling head, and realizing will after the completion of acquisition
Bed mud sample is completely sealed up for safekeeping in probe tube, while being realized when taking out bed mud sample to each layer of bed mud sample
Height is read, to improve work efficiency.
Being described below for exemplary embodiment is read with reference to the drawings, other property features of the invention and advantage will
It is apparent from.
Detailed description of the invention
It is incorporated into specification and the attached drawing for constituting part of specification shows the embodiment of the present invention, and with
Principle for explaining the present invention together is described.In the drawings, similar appended drawing reference is for indicating similar element.Under
Attached drawing in the description of face is some embodiments of the present invention, rather than whole embodiments.Those of ordinary skill in the art are come
It says, without creative efforts, other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 illustratively shows a kind of structural schematic diagram of the embodiment of bottom sampler according to the present invention；
Fig. 2 is the structural schematic diagram for pushing away mud bar and being placed into probe tube；
Fig. 3 is the structural schematic diagram of sampling head；
Fig. 4 is the structural schematic diagram of guide vane structure；
Fig. 5 is the first blade of guide vane structure and the structural schematic diagram of the second blade.
Attached drawing mark: 1, it covers；11, the first chest expander；12, the second chest expander；2, upper bush；3, connection cover；31, solid
Material layer；311 magnetic material layers；3111, the first magnetic material layer；3112, the second magnetic material layer；4, lower sleeve；41, it carves
Degree；42, peep hole；5, sampling head；51, guide vane structure；511, the first blade；512, the second blade；513, the first clamping
Portion；514, the second clamping portion；6, gravity drop hammer；7, pull rod；71, puller system；8, probe tube；9, mud bar is pushed away；91, pressing plate；92, it surveys
Metering-orifice.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.It needs
Illustrate, in the absence of conflict, the features in the embodiments and the embodiments of the present application can mutual any combination.
A kind of bottom sampler of the invention, alleviates the weight of bottom sampler, using removably mode is fixedly connected with, convenient for taking
Band；It is continuously applied to the design of impact force to bottom sampler, realizes bottom sampler energy by driving gravity drop hammer to move reciprocatingly using pull rod
The bed mud for enough collecting the water-bed bed mud and water-bed deeper in deepwater field, is particularly suitable for the bed mud sample of deepwater regions
Acquisition.
With reference to the accompanying drawing, provided a kind of bottom sampler according to the present invention is described in detail.
Fig. 1 shows a kind of structural schematic diagram of specific embodiment of bottom sampler of the invention, shown referring to Fig.1, should
Bottom sampler includes capping 1, upper bush 2, connection cover 3, lower sleeve 4, sampling head 5, gravity drop hammer 6, pull rod 7 and probe tube 8, for side
Portable belt, the various components of bottom sampler of the invention can be designed to detachable connection method, such as be threadedly coupled, and use
When, i.e. can be used specifically, capping 1 and upper bush 2, connection cover 3, lower sleeve to the connection that be screwed of each component part
4, sampling head 5 sets gradually and is removably secured connection, and gravity drop hammer 6 is arranged in upper bush 2, and pull rod 7 is slidably disposed through
The hole of capping 1 is fixedly connected with gravity drop hammer 6, and probe tube 8 is arranged in lower sleeve, and the first end and probe tube 8 of lower sleeve 4 are detachable
Ground is fixedly connected, wherein solid material layer 31 is arranged in connection cover 3, solid material layer 31 includes opposite polarity with gravity drop hammer 6
Magnetic material layer 311, specifically, in order to enable gravity drop hammer 6 constantly strikes in the fixed position of bottom sampler and forms same side
The power of upward advance is provided with groove 61 identical with 311 shape of magnetic material layer in the bottom of gravity drop hammer 6.
Specifically, in the above-described embodiments, in order to increase the whole counterweight of bottom sampler, magnetic material layer 311 includes first
Magnetic material layer 3111 and the second magnetic material layer 3112, and the cross section of the first magnetic material layer 3111 is greater than the second magnetism
The cross section of material layer 3112, the cross section of groove 61 are greater than the cross section of the second magnetic material layer 3112, the depth of groove 51
Greater than the height of the second magnetic material layer 3112, in the state that gravity drop hammer 6 is not by pulling force, the second magnetic material layer 3112 is located at
In groove 61.
First magnetic material layer 3111 and the second magnetic material layer 3112 can be cylindrical structure, the second magnetic material
Layer 311 can also be inverted cone structure, it is to be understood that the groove of gravity drop hammer bottom may be and the second magnetic material
The adaptable conical structure of layer 3112.
As shown in fig. 1, in the above-described embodiments, the first chest expander 11 and the second pulling force is respectively set in the two sides for covering 1
Device 12, the first chest expander 11 and the second chest expander 12 can be round pull ring, when the use bottom sampler samples in deeper waters
When, need that bottom sampler is first sunk to the bottom, the bottom sampler using itself weight or bottom sampler and be arranged on bottom sampler
The weight of clump weight, it is sufficient to make bottom sampler sink to the bottom, in order to during sinking, so that bottom sampler is along perpendicular to bed mud
Direction moves downward, and iron wire can be used or other solid drawstrings tie up to the first chest expander 11 and the second chest expander 12 respectively
On, in collective effect under the power on the first chest expander 11 and the second chest expander 12, so that bottom sampler falls vertically.
In the above-described embodiments, puller system 71 is provided on pull rod 7, puller system 71 can be circular hole, if
It sets in the position close to 7 top of pull rod, can be tied up on puller system 71, adopted with iron wire or other solid drawstrings in advance
After mud device is sunk in seawater, pull rod 7 is pulled by drawstring, pull rod 7 drives gravity drop hammer 6 to move up, when gravity drop hammer 6 rises to
Behind the top of upper bush 2, drawstring is unclamped, 6 free-falling of gravity drop hammer strikes onto connection cover 3, the above process is repeated several times, in weight
The reciprocating motion of power hammer 6 covers on the upper surface of the first magnetic material layer 3111 of connection cover 3, the groove 61 of 6 bottom of gravity drop hammer
The outside of second magnetic material layer 3112, the weight of gravity drop hammer 6 itself is plus gravity drop hammer 6 and the first magnetic material layer 3111, the
Attraction between two magnetic material layers 3112, so that bottom sampler improves and seawater is overcome to hinder integrally by downward impact force
The power of power, so that the operation in the domain of deep-sea may be implemented in bottom sampler, when bottom sampler enters in bed mud, not by gravity drop hammer 6
Power of the disconnected impact in connection cover makes bottom sampler continue to move down to mud layer depths, and bottom sampler is allowed gradually to drop to needs
The depth of the mud layer of sampling.
In the above-described embodiments, it is provided with scale 41, the outside of lower sleeve 4 along the vertical direction in the lateral surface of lower sleeve 4
Face also sets up multiple peep holes 42 along the vertical direction；Scale 41 and peep hole 42 are adjacent, and sampling pipe can be transparent material and be made,
By peep hole 42 and scale 41 it is recognized that the height of the acquisition bed mud sample in the probe tube 8 being mounted in lower sleeve 4.
Fig. 2 shows structural schematic diagrams when pushing away mud bar 9 in probe tube 8.
As shown in Fig. 2, for convenience when taking out collected bed mud sample from probe tube 8, needs to use and push away mud bar
9, circular pressing plate 91 is arranged in the lower end for pushing away mud bar 9, and perimeter and 8 inner circumferential of the probe tube length of circular pressing plate 91 are equal, and being convenient for will
Bed mud sample completely releases probe tube 8；The vertically arranged multiple measured holes 92 of 9 lateral surface of mud bar are pushed away, record bed mud for convenience
The delamination of sample can set the distance between measured hole to equidistantly, such as the distance between adjacent measured hole 92
For 1cm, during bed mud sample is released probe tube 8, operator can record quilt by reading the number of measured hole 92
Each layer of height of the bed mud sample of release.
Fig. 3 is a kind of structural schematic diagram of specific embodiment of sampling head.
As shown in figure 3, sampling head 5 can be cylindrical, sampling head 5 includes several guide vane structures 51, several water conservancy diversion
The distribution that blade construction 51 is in contact along the periphery of the second end of sampling head, the first end of sampling head and the second end of lower sleeve 4
It is removably secured connection, the rotatable connection of second end of any one guide vane structure 51 and sampling head, the angle of rotation
Degree is predetermined angle, when the second end of sampling head is at lower section, forms closing face between several guide vane structures 51, wherein
Predetermined angle is 0~90 degree.
The angle of rotation is that guide vane structure is formed by angle with the inner wall of sampling head in rotary course, when to be measured
When bed mud enters in sampling head from the second end that sampling head is equipped with guide vane structure 51 or sampling head is not provided with water conservancy diversion leaf
At lower section, all guide vane structures can be rotated to being attached on the inner wall of sampling head the first end of chip architecture 2.
The ratio of the length L of the radius (not shown) and guide vane structure 51 of probe tube 8 is 1:1.1~1.3, so that
Guide vane structure 51 is able to bear the weight of bed mud and seals up for safekeeping in bottom sampler.
Specifically, it during bottom sampler declines from bed mud surface to be measured to mud layer depths, is pushed away since bed mud is upward
Power, expansion, bed mud to be measured enter sampling by the second end of sampling head 5 to multiple guide vane structures 51 of sampling head 5 upwards
In pipe 8, when being lifted up after bottom sampler acquisition, multiple guide vane structures 51 are by the bed mud sample in probe tube 8
The gravity of product is rotated by about 0 degree of angle of the inner wall with sampling head to the inner wall with sampling head form about 90 degree of angle after
It stops rotating, so that multiple guide vane structures 51 are mutually linked to form a closing face with weight-bearing function, by making
The state of closure is presented in one end of sampling head, is completely sealed collected bed mud sample in probe tube 8 up for safekeeping with realizing, thus
Realization prevents bed mud sample to be detached from bottom sampler in bottom sampler state in a vertical shape.
Fig. 4 shows a kind of structural schematic diagram of specific embodiment of guide vane structure, Fig. 5 show the first blade and
Shown in the structural schematic diagram of second blade, complex chart 4 and Fig. 5, guide vane structure 51 includes the first blade 511 and the second blade
512, cooperate contact between the first blade 511 and the second blade 512, and one end of the first blade 511 is equipped with the first clamping portion
513, the second clamping portion 514, water conservancy diversion leaf can be equipped with the rotatable clamping of inner wall of sampling head, one end of the second blade 512
Chip architecture 51 is respectively by the rotatable connection of second end of the first clamping portion 513 and the second clamping portion 514 and sampling head, when adopting
Sample head is equipped with one end of guide vane structure 51 at lower section, when sampling head second end is at lower section, the main body of the first blade and
The closing face with weight-bearing function is complemented each other to form between the main body of second blade.
Specifically, the main body of the first blade includes trapezium structure and triangular structure, and the main body of the second blade is triangle
Structure, and the triangular structure of the triangular structure of the main body of the first blade and the main body of the second blade is isosceles triangle knot
Structure.
First clamping portion 513 is the through-hole communicated with the side of the first blade 511, and the second clamping portion 514 is and the second leaf
The through-hole that the side of piece 512 communicates, wherein the first clamping portion 513 is identical with 514 size of the second clamping portion, to make
Production technology is reduced in journey, and is easily installed.
The length h1 of first blade 511 is greater than the length h2 of the second blade 512, wherein h1:h2=1:0.6~0.8, when
Bottom sampler acquire after when being lifted up, several second blades 512 can prior to the rotation of several first blades 511 to and sampling head
Inner wall forms about 90 degree of angle and bed mud sample is stopped to leak out probe tube 8, and then the first blade 5 follows rotation and the second blade
512 are mutually linked to form a closing face with weight-bearing function, are completely sealed bed mud sample in probe tube 8 up for safekeeping with realizing
In.
In the above-described embodiments, the length h1 ratio of the radius r of sampling head and the first blade 511 is 1:0.8~1.1, wherein
The diameter of sampling head can be set as 10cm.
Bottom sampler of the invention uses and is removably fixedly connected with mode, easy to carry, is carrying out lightweight to bottom sampler
While, the impact force to bottom sampler can be formed by the reciprocating motion of gravity drop hammer, realize that bottom sampler can smoothly enter
Operation in deep sea waters can form the closing face with weight-bearing function by one end of sampling head, and realizing will after the completion of acquisition
Bed mud sample is completely sealed up for safekeeping in probe tube, while being realized when taking out bed mud sample to each layer of bed mud sample
Height is read, to improve work efficiency.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within protection scope of the present invention.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion so that article or equipment including a series of elements not only include those elements, but also is wrapped
Other elements that are not explicitly listed are included, or further include for this article or the intrinsic element of equipment.Do not having more
In the case where more limitations, the element that is limited by sentence " including ... ", it is not excluded that in the article including the element or set
There is also other identical elements in standby.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of bottom sampler, which is characterized in that the bottom sampler includes capping (1), upper bush (2), connection cover (3), lower sleeve
(4), sampling head (5), gravity drop hammer (6), pull rod (7) and probe tube (8),
The capping (1) and upper bush (2), connection cover (3), lower sleeve (4), sampling head (5) set gradually and removably consolidate
Fixed connection, the gravity drop hammer (6) are located at upper bush (2) interior reciprocable, and the pull rod (7) is slidably disposed through the capping
(1) hole is fixedly connected with the gravity drop hammer (6), and probe tube (8) are arranged in the lower sleeve, and the first of the lower sleeve (4)
End is removably secured with the probe tube (8) to be connect；
Solid material layer (31) are set in the connection cover (3), the solid material layer (31) includes and the gravity drop hammer (6) pole
The opposite magnetic material layer (311) of property, the bottom of the gravity drop hammer (6) is provided with and the magnetic material layer (311) shape phase
Same groove (61).
2. bottom sampler as described in claim 1, which is characterized in that the magnetic material layer (311) includes the first magnetic material
The cross section of layer (3111) and the second magnetic material layer (3112), first magnetic material layer (3111) is greater than second magnetic
The cross section of property material layer (3112).
3. as claimed in claim 2 with the bottom sampler of gravity drop hammer, which is characterized in that the cross section of the groove (61) is greater than institute
The cross section of the second magnetic material layer (3112) is stated, the depth of the groove (51) is greater than second magnetic material layer (3112)
Height；
In the state that the gravity drop hammer (6) is not by pulling force, second magnetic material layer (3112) is located at the groove (61)
It is interior.
4. as claimed in claim 2 with the bottom sampler of gravity drop hammer, which is characterized in that first magnetic material layer (3111) is
Cylindrical structure, second magnetic material layer (3112) are cylindrical structure.
5. bottom sampler as described in claim 1, which is characterized in that puller system (71) are provided on the pull rod (7),
In a state of use, the puller system (71) acts on the pull rod (7), so that described in the pull rod (7) drive
Gravity drop hammer (6) moves back and forth.
6. bottom sampler a method as claimed in any one of claims 1 to 5, which is characterized in that the sampling head (5) includes several guide vanes
Structure (51), the distribution that the periphery of second end of several guide vane structures (51) along sampling head is in contact, the sampling
The first end of head is removably secured with the second end of the lower sleeve (4) to be connect；
The rotatable connection of second end of any one of guide vane structure (51) and sampling head, the angle of rotation is predetermined
Angle (α) forms closing face between several guide vane structures (51) when the second end of the sampling head is at lower section,
Wherein, the predetermined angular (α) is 0~90 degree.
7. bottom sampler as claimed in claim 6, which is characterized in that any one of guide vane structure (51) includes first
Blade (511) and the second blade (512) cooperate between first blade (511) and second blade (512) and connect
Touching；
One end of first blade (511) is equipped with the first clamping portion (513), and one end of second blade (512) is equipped with the
Two clamping portions (514), the guide vane structure (51) pass through the first clamping portion (513) and second clamping portion respectively
(514) with the rotatable connection of the second end of the sampling head,
When the sampling head second end is at lower section, cooperate between the main body of first blade and the main body of the second blade
Form closing face.
8. bottom sampler as described in claim 1, which is characterized in that the first chest expander is respectively set in described capping (1) two sides
(11) and the second chest expander (12),
In process of rising or falling, first chest expander (11) and second chest expander (12) act on described adopt simultaneously
On mud device, so that the bottom sampler moves along the vertical direction.
9. bottom sampler as described in claim 1, which is characterized in that the lateral surface of the lower sleeve (4) is arranged along the vertical direction
Have scale (41), the lateral surface of the lower sleeve (4) is arranged multiple peep holes (42) along the vertical direction, the scale (41) and institute
The position for stating multiple peep holes (42) is not overlapped.
10. bottom sampler as described in claim 1, which is characterized in that it further include pushing away mud bar (9), the lower end for pushing away mud bar (9)
It is arranged pressing plate (91), long equal, the outside for pushing away mud bar (9) of the perimeter and the probe tube (8) inner circumferential of the pressing plate (91)
The vertically arranged multiple measured holes (92) in face.
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| CN201910482397.5A CN110186713A (en) | 2019-06-04 | 2019-06-04 | A kind of bottom sampler |
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| CN201910482397.5A CN110186713A (en) | 2019-06-04 | 2019-06-04 | A kind of bottom sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2792162C1 (en) * | 2022-12-26 | 2023-03-17 | Федеральное государственное бюджетное учреждение науки Институт экологии растений и животных Уральского отделения Российской академии наук | Sampling device |
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