CN108731980A - A kind of sticky mud depth sampler and mud depthkeeping sampling method - Google Patents
A kind of sticky mud depth sampler and mud depthkeeping sampling method Download PDFInfo
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- CN108731980A CN108731980A CN201810893417.3A CN201810893417A CN108731980A CN 108731980 A CN108731980 A CN 108731980A CN 201810893417 A CN201810893417 A CN 201810893417A CN 108731980 A CN108731980 A CN 108731980A
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- mud
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of sticky mud depth sampler and mud depthkeeping sampling methods, belong to sludge sampling device and sampling method technical field, aim to solve the problem that the problem of existing sampler is not suitable for sticky mud depthkeeping sampling, its key points of the technical solution are that, fix section/second and fix section by being hingedly arranged first on the snap-gauge and pumping rod with bayonet on probe tube top and fix cooperation, with control by sampler be inserted into mud designated depth process and in designated depth underthrust sampling process probe tube bottom end opening open/close states.The sampler structure of the present invention is simple, and manufacturing cost is low and easy to use, the depthkeeping sampling being suitable under sticky mud environment, and sampling is precisely and the sample integrity of acquisition is good, representative good.The present invention accordingly discloses a kind of mud depthkeeping sampling method using above-mentioned sampler, and step is simple, is suitable for the depthkeeping under sticky mud environment and samples.
Description
Technical field
The present invention relates to a kind of sludge sampling device and sampling methods, more specifically, it relates to which a kind of sticky mud is fixed
Deep sampler and mud depthkeeping sampling method.
Background technology
Sludge sampling is to study the rule of accumulation, distribution, conversion and migration of the pollutant for being discharged into water body in bed mud
Rule, is widely used in a kind of investigative technique in the fields such as environment, the hydrology.
Varied for the sampling equipment of mud at present, the Japan Patent if application publication number is JP2002322894 is public
A kind of geological samples harvester and geological samples acquisition method are opened, disclosed geological samples harvester includes that can control
The turnover panel that acquisition port processed opens and closes.When acquiring sample, during harvester is pressed into soil layer, turnover panel is beaten by pressure by pushing and pressing
It opens, does not interfere sample to enter inside harvester from acquisition port；By harvester from soil layer extract during, turnover panel is by anti-
It is forced pushing and pressing to pressure to close, to which the sample for playing the role of preventing from having acquired falls off.
But said sample harvester is not suitable for the acquisition to certain depth position, sticky mud sample, due to becoming silted up
The limitation of mud layer depth and viscosity, the turnover panel of above-mentioned harvester are difficult to complete rotary movement.Thus, how to design a kind of knot
The simple and sampler suitable for sticky mud sampling at set depth of structure is urgent problem to be solved in the industry.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of sticky mud depth sampler,
With it is simple in structure, suitable for sticky mud depthkeeping sampling and depthkeeping sampling process do not influenced by the mud of other depth layers
Advantage.
To achieve the above object, the present invention provides following technical solutions：
A kind of sticky mud depth sampler, including hollow probe tube, described probe tube one end are provided with end-plate, the other end
There are opening, through-hole is provided on the end-plate；Top is movably set in the probe tube along its axis to stretch out through through-hole
Pumping rod, the top of the pumping rod is connecting pin, bottom end is movable end, and the diameter of connecting pin is more than the diameter of through-hole；
The bottom end of the pumping rod is fixedly installed the movable block that can be slid in the inner cavity of probe tube；The pumping rod in probe tube to
When being moved to extreme position far from end-plate direction, movable block is located at the bottom end of probe tube and seals the opening of probe tube bottom end
It closes；The movable end of the pumping rod includes sequentially connected first fixing section, linkage section and the second fixing section, and described first fixes
The diameter of section and the second fixing section is respectively less than linkage section diameter, and the diameter of the linkage section is less than or equal to the diameter of through-hole；Institute
The top surface for stating end-plate is hingedly provided with several pieces of snap-gauges that can be rotated in perpendicular, and use is provided on each snap-gauge
In fixing the bayonet that section/second fixes the cooperation of section inlay card with first, the radius of the bayonet is less than the radius of linkage section；Described
The length of one fixing section and the second fixing section is all higher than the thickness of snap-gauge.
By using above-mentioned technical proposal, sampler is connected to manual auger by the connecting pin that pumping rod is first passed through before sampling
In equal bit pressures equipment, rotation snap-gauge makes bayonet inlay card be fixed at section the first of pumping rod.Pumping rod is pushed by bit pressure equipment,
Drive pumping rod and probe tube synchronize be inserted into the designated depth of mud.During this, movable block is located at the bottom end of probe tube,
The bottom end opening of probe tube is in closed state.After being inserted to designated depth under sampler, pull is pulled upwards by bit pressure equipment
Bar, pumping rod drive movable block to be moved up relative to probe tube.Pumping rod pushes snap-gauge fine rotation during moving, and does not interfere
Pumping rod moves up.When movable block is moved to the top of sampling tube cavity, the second fixing section, which is moved to fix with snap-gauge, to be coordinated, this
When diameter difference between section fixed due to linkage section and second, it will not occur relatively downward with probe tube when underthrust pumping rod
It is mobile.Pumping rod and probe tube are pushed again by bit pressure equipment, and mud enters sampling from probe tube bottom end opening during this
In pipe, the acquisition to sample is realized.After completing sample collection, sampler is being detached into mud by bit pressure equipment, is removing and takes
Sample device, rotation snap-gauge release its fixing effect, and pushing pumping rod can take out mud sample from the bottom end of probe tube.The present invention
Sampler structure it is simple, manufacturing cost is low and easy to use, and the depthkeeping for being suitable for sticky mud samples, and sampling process
In will not be influenced by other depth muds, sampling is accurate, complete, representative good.
Further, the snap-gauge is provided with two pieces altogether, and is in semi-circular.
Utmostly reduce card while ensureing to fix fiting effect with pumping rod by using above-mentioned technical proposal
Plate quantity reduces hinge joint quantity so that resistance when sampler insertion mud is small.
Further, the described first length for fixing section is more than the length of linkage section.
By using above-mentioned technical proposal, the diameter of the first fixing section is smaller, when length is more than linkage section, is taken out pulling
Resistance smaller during pull rod moves up, conducive to the acquisition being rapidly completed to sample.
Further, the first fixing section and the junction arc-shaped transition of linkage section connect.
By using above-mentioned technical proposal, reduces pumping rod and is moved to the resistance being subject to when linkage section is contradicted with snap-gauge,
Pull pumping rod movement process it is more smooth, be less prone to Caton phenomenon.
Further, the movable block include tapered portion and with the integrally formed columned abutting part of tapered portion, it is described
The end of pumping rod is fixedly connected with the circular end face of abutting part.
By using above-mentioned technical proposal, tapered portion has the function of that reducing sampler is inserted into the resistance being subject to when mud,
So that sampler is easier to be inserted into mud.Columned abutting part then increases between movable block and probe tube intracavity sidewall
Contact area so that movable block can be stablized in probe tube to be moved up so that axis of the moving direction of pumping rod without departing from probe tube
Line direction.
Further, it is fixedly connected with drawstring on the excircle side wall of the probe tube.
By using above-mentioned technical proposal, such as there is connecting pin and bit pressure in sampling process in the connection stay cord on probe tube
When the case where equipment is detached from, sampler can be given for change by drawstring, have the function of preventing sampler from losing.
Further, it is fixedly installed fixed ring on the excircle side wall of the probe tube, the drawstring is connected to fixation
On ring.
By using above-mentioned technical proposal, have the function of being convenient for changing drawstring.
Another object of the present invention is to provide a kind of mud depthkeeping sampling methods, with simple to operate, applicable
In the good advantage of the sample integrity of depthkeeping sampling, the acquisition of sticky mud environment.
To achieve the above object, the present invention provides following technical solutions：
A kind of mud depthkeeping sampling method carries out mud depthkeeping sampling using above-mentioned sticky mud depth sampler, specifically includes
Following steps,
Step 1: the connecting pin of pumping rod is fixedly connected with bit pressure equipment；
Step 2: keeping sampler state in a vertical shape, sampler is inserted into mud designated depth by bit pressure equipment；
Movable block is driven to be slid in the inner cavity of probe tube Step 3: pulling upwardly on pumping rod by bit pressure equipment, until snap-gauge card
Gu second in pumping rod fixes in section；
Step 4: pushing pumping rod using bit pressure equipment, while driving probe tube to be inserted into mud and being sampled；
Step 5: after completing sampling, pumping rod is pulled upwards by bit pressure equipment, sampler is detached into mud；By sampler
Connecting pin detached with bit pressure equipment after, push pumping rod make movable block pushing and pressing acquisition mud sample opened from the bottom end of probe tube
Mouth outflow, seals mud sample up for safekeeping, label.
By using above-mentioned technical proposal, operating procedure is simple, can be adapted under sticky mud environment, acquisition difference
The mud sample of depth location, sampling is accurate, complete, and the sample representativeness of acquisition is good.
In conclusion the invention has the advantages that：
1, the sampler of concrete structure of the present invention, sampling is convenient, not by the mud shadow of other depth levels of surrounding in sampling process
It rings, is suitable under sticky mud environment, the mud sample of acquisition different depth position, acquisition is accurate, and the mud sample of acquisition is complete
It is whole to spend, is representative high；
2, snap-gauge and pumping rod are fitted to each other, and realize the process that mud is inserted into probe tube bottom end in unlatching, closed state respectively,
Probe tube can be inserted into designated depth by probe tube bottom end opening when being in closed state underthrust, probe tube bottom end opening is in unlatching
When state underthrust sample collection can be carried out to the mud of designated depth；
3, sampling method of the invention, step is simple, and sampling precisely, completely, is suitable under sticky mud environment to different depth
The mud of position is sampled.
Description of the drawings
Fig. 1 is the structural schematic diagram of sticky mud depth sampler in embodiment 1；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the applying working condition figure one of sticky mud depth sampler in embodiment 1；
Fig. 4 is the enlarged drawing of part B in Fig. 3；
Fig. 5 is the applying working condition figure two of sticky mud depth sampler in embodiment 1；
Fig. 6 is the enlarged drawing of C portion in Fig. 5;
Fig. 7 is the applying working condition figure three of sticky mud depth sampler in embodiment 1;
Fig. 8 is the enlarged drawing of the parts D in Fig. 7;
Fig. 9 is the sectional view of sticky mud depth sampler in embodiment 2.
In figure：1, probe tube；2, end-plate；21, through-hole；3, pumping rod；31, connecting pin；32, movable end；321, first
Fix section；322, linkage section；323, second section is fixed；4, movable block；41, tapered portion；42, abutting part；5, snap-gauge；51, bayonet；
6, fixed ring；7, drawstring.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1：
A kind of sticky mud depth sampler, referring to Figures 1 and 2 comprising the probe tube 1 of hollow cylindrical, it is same in probe tube 1
Axis is provided with pumping rod 3.There are opening, tops to be provided with circular end-plate 2, the geometric center of end-plate 2 for 1 bottom end of probe tube
Place is provided with through-hole 21.The top of pumping rod 3 is pierced by from through-hole 21, bottom end be provided with can 1 inner cavity of probe tube slide and with take
The movable block 4 of cooperation is sealed between the intracavity sidewall of sample pipe 1.
It is needed the brills such as sampler and manual auger when carrying out mud sampling using the sampler of the present embodiment with reference to Fig. 2
Equipment connection is pressed, sampler is pressed into or is detached mud.In order to prevent in sampling process sampler be detached from bit pressure equipment,
Sampler is caused to lose.It is fixedly installed fixed ring 6 on the excircle side wall on 1 top of probe tube, is fixedly connected in fixed ring 6
Drawstring 7.By drawstring 7, sampler can be given for change when sampler is detached from bit pressure equipment.Drawstring 7 can select metallic fiber
The drawstring 7 that rope, polypropylene fiber rope etc. are corrosion-resistant, intensity is high.
With reference to Fig. 2, the top of probe tube 1 is hingedly provided with two pieces of snap-gauges 5.Snap-gauge 5 is in semi-circular, in outer arcuate side
It is articulated and connected with the countershaft of the periphery of end-plate 2 at point so that snap-gauge 5 can rotate in perpendicular around articulated position.Card
The inner arc side midpoint of plate 5 is formed with bayonet 51, for coordinating with 3 inlay card of pumping rod.Two pieces of snap-gauges 5 are symmetrically disposed on pumping
The both sides of 3 axis of pull rod.
With reference to Fig. 3 and Fig. 4, pumping rod 3 includes 32 two parts of movable end of the connecting pin 31 and bottom at top.Connecting pin 31
Diameter be more than bayonet 51（With reference to Fig. 2）Diameter, and top is provided with screw thread, is connected sampler and bit pressure equipment with facilitating
It connects.Movable end 32 includes 323 3 the first fixing section 321, the fixing section of linkage section 322 and second parts；First fixes section 321 directly
Diameter is less than 21 diameter of through-hole, and arc-shaped transition connects between top and the connection of connecting pin 31, bottom end and connecting pin 31；Linkage section
322 diameters are equal to 21 diameter of through-hole, and bottom end is fixedly connected with the second fixing section 323；Second, which fixes 323 diameter of section, is equal to first
The diameter of section 321 is fixed, and bottom end is fixedly connected with movable block 4.Movable block 4 includes tapered portion 41 and columned abutting part
42, second fixing section 323 perpendicular to the top surface of abutting part 42, be fixedly connected at the top surface geometric center of abutting part 42.First
The length for fixing the fixing section 323 of section 321, second is all higher than the sum of end-plate 2 and 5 thickness of snap-gauge, and the length of the two is shorter than
The length of linkage section 322.
With reference to Fig. 3 and Fig. 4, before sampler is inserted into mud, first two pieces of snap-gauges 5 are rotated to 3 direction of pumping rod so that card
The junction that 5 inlay card of plate fixes section 321 and connecting pin 31 first.At this point, movable block 4 is located at the bottom end of probe tube 1, tapered portion
41 exposings, abutting part 42 are located at the inner cavity of probe tube 1, by the closure of openings of 1 bottom end of probe tube；Pumping rod 3 can not be relative to taking
Sample pipe 1 moves down.It, can will be in the insertion mud synchronous with probe tube 1 of pumping rod 3 by bit pressure equipment.According to sampling need
It asks, sampler is inserted into the depth of specified mud.
Referring to figure 5 and figure 6, after sampler being inserted into designated depth, pumping rod 3 is reversely pulled by bit pressure equipment.This
When, due to the adhewsive action of sticky mud, probe tube 1 is adsorbed in mud；Pumping rod 3 drives movable block 4 relative to taking
Sample pipe 1 moves up.When pumping rod 3 is moved to linkage section 322 through through-hole 21, snap-gauge 5 is connected section 322 and pushes against rotation release,
Moving up for pumping rod 3 is not interfered.
With reference to Fig. 7 and Fig. 8, with moving up for pumping rod 3, when movable block 4 is moved to the top of 1 inner cavity of probe tube, pull
Second fixing section 323 of bar 3 is turned to through through-hole 21, snap-gauge 5 under the squeezing action of external mud fixes section 323 with second
Inlay card coordinates.At this point, since linkage section 322 and second fixes the diameter difference between section 323, even disconnects end 31 and bore
Press the connection between equipment, pumping rod 3 that can not also be moved down relative to probe tube 1.By bit pressure equipment underthrust sampler again, this
When the underthrust synchronous with pumping rod 3 of probe tube 1, mud is collected from the bottom end opening of probe tube 1 in probe tube 1.Completion pair
After the acquisition of mud sample, sampler is pulled by bit pressure equipment, disengages it from mud.Sampler is detached with bit pressure equipment
Afterwards, rotating opening snap-gauge 5 releases fixing effect, and pushing pumping rod 3 can utilize movable block 4 to push against mud sample from probe tube 1
Bottom end outflow, complete sample collection.
Operation principle is as follows：
After sampler is connect with bit pressure equipment, rotation snap-gauge 5 makes bayonet 51 fix at the first fixing section 321 so that pull
Bar 3 will not be moved down relative to probe tube 1.Then, it is synchronized by bit pressure equipment and pushes pumping rod 3 and probe tube 1, will sampled
Device is inserted into the designated depth of mud.Since the presence of movable block 4, mud will not enter in probe tube 1 in down process.Sampling
Device underthrust in place after, reversely pull pumping rod 3 by bit pressure equipment so that pumping rod 3 drive movable block 4 move up.During this,
Pumping rod 3 can push 5 fine rotation of snap-gauge, do not influence pumping rod 3 movement, and due to sticky mud have to probe tube 1 it is larger
Adsorption so that pumping rod 3 can be moved up relative to probe tube 1.Wait for that movable block 4 is moved to the top of 1 inner cavity of probe tube
Afterwards.Second fixing section 323 is just moved to be fixed with snap-gauge 5, due to the diameter between the second fixing section 323 and linkage section 322
Difference, pumping rod 3 can not be moved down relative to probe tube 1.Again, keep pumping rod 3 and probe tube 1 same by the pushing of bit pressure equipment again
Underthrust is walked, mud enters from the opening of 1 bottom end of probe tube in probe tube 1, completes mud sample acquisition.After the completion of acquisition, instead
It is set to completely disengage mud to sampler is pulled.After device to be sampled completely disengages mud, sampler and bit pressure equipment are detached,
The fixing effect for releasing snap-gauge 5, collected mud sample can be taken out from the bottom end of probe tube 1 by pushing pumping rod 3.
The sticky mud depth sampler of the present invention, simple in structure, manufacturing cost is low, and easy to use convenient,
Depthkeeping suitable for sticky mud environment samples, and the sample integrity acquired when depthkeeping sampling is good, representative good.
Embodiment 2：
A kind of sticky mud depth sampler, with reference to Fig. 9, based on embodiment 1, the present embodiment and the difference of embodiment 1 exist
In：The length of first fixing section 321 of pumping rod 3 is longer than the length of linkage section 322.During acquiring mud sample, pulls and take out
When pull rod 3 moves up, the frictional resistance smaller between pumping rod 3 and through-hole 21 so that the movement of pumping rod 3 is more smooth, conducive to carrying
High sampling efficiency.
Embodiment 3
A kind of mud depthkeeping sampling method, sticky mud depth sampler described in Application Example 1 carry out mud depthkeeping sampling, tool
Body includes the following steps,
Step 1: the connecting pin 31 of pumping rod 3 is fixedly connected with bit pressure equipment；
Step 2: keeping sampler state in a vertical shape, sampler is inserted into mud designated depth by bit pressure equipment；
Movable block 4 is driven to be slid in the inner cavity of probe tube 1 Step 3: pulling upwardly on pumping rod 3 by bit pressure equipment, until snap-gauge
5 fix in the second fixing section 323 of pumping rod 3；
Step 4: pushing pumping rod 3 using bit pressure equipment, while driving probe tube 1 to be inserted into mud and being sampled；
Step 5: after completing sampling, pumping rod 3 is pulled upwards by bit pressure equipment, sampler is detached into mud；By sampler
Connecting pin 31 detached with bit pressure equipment after, push pumping rod 3 so that the mud sample of the pushing and pressing acquisition of movable block 4 is from probe tube 1
Bottom end opening flows out, and is sealed up for safekeeping to mud sample, label；
The mud sample of different depth position can be acquired by repeating the above steps.
The sticky mud depthkeeping sampling method of the present embodiment, step is simple, accurate to the acquisition of mud sample, the sample of acquisition
Product integrality is good, representative good, the depthkeeping sampling being suitable under sticky mud environment.
Embodiment 4
The sticky mud depth sampler of a kind of mud depthkeeping sampling method, Application Example 2 carries out mud depthkeeping sampling, specifically
Include the following steps,
Step 1: the connecting pin 31 of pumping rod 3 is fixedly connected with bit pressure equipment；
Step 2: keeping sampler state in a vertical shape, sampler is inserted into mud designated depth by bit pressure equipment；
Movable block 4 is driven to be slid in the inner cavity of probe tube 1 Step 3: pulling upwardly on pumping rod 3 by bit pressure equipment, until snap-gauge
5 fix in the second fixing section 323 of pumping rod 3；
Step 4: pushing pumping rod 3 using bit pressure equipment, while driving probe tube 1 to be inserted into mud and being sampled；
Step 5: after completing sampling, pumping rod 3 is pulled upwards by bit pressure equipment, sampler is detached into mud；By sampler
Connecting pin 31 detached with bit pressure equipment after, push pumping rod 3 so that the mud sample of the pushing and pressing acquisition of movable block 4 is from probe tube 1
Bottom end opening flows out, and is sealed up for safekeeping to mud sample, label；
The mud sample of different depth position can be acquired by repeating the above steps.
The sticky mud depthkeeping sampling method of the present embodiment, step is simple, accurate to the acquisition of mud sample, the sample of acquisition
Product integrality is good, representative good, the depthkeeping sampling being suitable under sticky mud environment.
Above-mentioned specific embodiment is only explanation of the invention, is not limitation of the present invention, art technology
Personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as
It is all protected by Patent Law in scope of the presently claimed invention.
Claims (8)
1. a kind of sticky mud depth sampler, including hollow probe tube (1), it is characterised in that：Described probe tube (1) one end
End-plate (2), the other end are provided with there are opening, through-hole (21) is provided on the end-plate (2)；The interior edge of the probe tube (1)
Its axis is movably set with top and runs through the pumping rod (3) that through-hole (21) stretches out, and the top of the pumping rod (3) is connecting pin
(31), bottom end is movable end (32), and the diameter of connecting pin (31) is more than the diameter of through-hole (21)；The bottom of the pumping rod (3)
End is fixedly installed the movable block (4) that can be slid in the inner cavity of probe tube (1)；The pumping rod (3) is introversive remote in probe tube (1)
When being moved to extreme position from end-plate (2) direction, movable block (4) is located at the bottom end of probe tube (1) and by probe tube (1) bottom end
Closure of openings；The movable end (32) of the pumping rod (3) includes sequentially connected first fixing section (321), linkage section (322)
Section (323) is fixed with second, the diameter that the first fixing section (321) and second fix section (323) is respectively less than linkage section (322)
Diameter, the diameter of the linkage section (322) are less than or equal to the diameter of through-hole (21)；The top surface of the end-plate (2) is hingedly set
Several pieces of snap-gauges that can be rotated in perpendicular (5) are equipped with, are provided on each snap-gauge (5) for fixing section with first
(321)/second the bayonet (51) of section (323) inlay card cooperation is fixed, the radius of the bayonet (51) is less than the half of linkage section (322)
Diameter；The length of the first fixing section (321) and the second fixing section (323) is all higher than the thickness of snap-gauge (5).
2. a kind of sticky mud depth sampler according to claim 1, it is characterised in that：The snap-gauge (5) is arranged altogether
There are two pieces, and is in semi-circular.
3. a kind of sticky mud depth sampler according to claim 1, it is characterised in that：Described first fixes section
(321) length is more than the length of linkage section (322).
4. a kind of sticky mud depth sampler according to claim 1, it is characterised in that：Described first fixes section
(321) it is connect with the junction arc-shaped transition of linkage section (322).
5. a kind of sticky mud depth sampler according to claim 1, it is characterised in that：The movable block (4) includes
Tapered portion (41) and with the integrally formed columned abutting part (42) of tapered portion (41), the end of the pumping rod (3) with support
The circular end face of socket part (42) is fixedly connected.
6. a kind of sticky mud depth sampler according to claim 1, it is characterised in that：Outside the probe tube (1)
Drawstring (7) is fixedly connected on circumferential side wall.
7. a kind of sticky mud depth sampler according to claim 6, it is characterised in that：Outside the probe tube (1)
Fixed ring (6) is fixedly installed on circumferential side wall, the drawstring (7) is connected in fixed ring (6).
8. a kind of mud depthkeeping sampling method, it is characterised in that：Using sticky mud depth sampler described in claim 1 into
Row mud depthkeeping samples, and specifically comprises the following steps,
Step 1: the connecting pin (31) of pumping rod (3) is fixedly connected with bit pressure equipment；
Step 2: keeping sampler state in a vertical shape, sampler is inserted into mud designated depth by bit pressure equipment；
Movable block (4) is driven to be slid in the inner cavity of probe tube (1) Step 3: pulling upwardly on pumping rod (3) by bit pressure equipment, directly
It fixes to snap-gauge (5) and is fixed in section (323) the second of pumping rod (3)；
Step 4: pushing pumping rod (3) using bit pressure equipment, while driving probe tube (1) to be inserted into mud and being sampled；
Step 5: after completing sampling, pumping rod (3) is pulled upwards by bit pressure equipment, sampler is detached into mud；It will sampling
After the connecting pin (31) of device is detached with bit pressure equipment, pumping rod (3) is pushed so that the mud sample of movable block (4) pushing and pressing acquisition is from taking
The bottom end opening of sample pipe (1) flows out, and is sealed up for safekeeping to mud sample, label.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810893417.3A CN108731980B (en) | 2018-08-07 | 2018-08-07 | Thick sludge depth-setting sampler and sludge depth-setting sampling method |
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| CN201810893417.3A CN108731980B (en) | 2018-08-07 | 2018-08-07 | Thick sludge depth-setting sampler and sludge depth-setting sampling method |
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| CN108731980A true CN108731980A (en) | 2018-11-02 |
| CN108731980B CN108731980B (en) | 2020-10-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346175A (en) * | 2019-06-26 | 2019-10-18 | 天津市环境保护科学研究院 | A kind of automatic packaging bottom sampler |
| CN112924217A (en) * | 2021-01-28 | 2021-06-08 | 自然资源部第一海洋研究所 | Sampling device |
| CN113340659A (en) * | 2021-06-09 | 2021-09-03 | 扬州市职业大学(扬州市广播电视大学) | Environment monitoring river silt sampling device |
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| CN2350748Y (en) * | 1998-10-27 | 1999-11-24 | 中国科学院南京地理与湖泊研究所 | Soil stratified sampling device |
| CN102589927A (en) * | 2012-03-26 | 2012-07-18 | 北京师范大学 | Portable fidelity cylindrical bottom mud sampler |
| CN103364225A (en) * | 2013-07-18 | 2013-10-23 | 中交第三航务工程勘察设计院有限公司 | Silty fluid mud collecting device |
| CN104596803A (en) * | 2015-02-16 | 2015-05-06 | 中交一航局第二工程有限公司 | Deep-water sludge sampler |
| CN106124240A (en) * | 2016-08-26 | 2016-11-16 | 长春工程学院 | A kind of undisturbed cylindrical sediment collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110346175A (en) * | 2019-06-26 | 2019-10-18 | 天津市环境保护科学研究院 | A kind of automatic packaging bottom sampler |
| CN112924217A (en) * | 2021-01-28 | 2021-06-08 | 自然资源部第一海洋研究所 | Sampling device |
| CN112924217B (en) * | 2021-01-28 | 2023-02-07 | 自然资源部第一海洋研究所 | Sampling device |
| CN113340659A (en) * | 2021-06-09 | 2021-09-03 | 扬州市职业大学(扬州市广播电视大学) | Environment monitoring river silt sampling device |
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