CN108535056A - A kind of mud columnar sampler - Google Patents
A kind of mud columnar sampler Download PDFInfo
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- CN108535056A CN108535056A CN201810395060.6A CN201810395060A CN108535056A CN 108535056 A CN108535056 A CN 108535056A CN 201810395060 A CN201810395060 A CN 201810395060A CN 108535056 A CN108535056 A CN 108535056A
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- mud
- pipe
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- 238000007789 sealing Methods 0.000 claims abstract description 68
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 44
- 238000000034 method Methods 0.000 abstract description 15
- 238000005192 partition Methods 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- G01N1/12—Dippers; Dredgers
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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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of mud columnar sampler, including：Stored one kind of tubes, cutting tube and it is connected to the airtight connecting piece that break-make between the stored one kind of tubes and the cutting tube is controlled between the stored one kind of tubes and the cutting tube, the airtight connecting piece includes：The inner sealing pipe that can circumferentially stretch, the inner sealing pipe are connected between the stored one kind of tubes and the cutting tube；Covering stopped pipe, the covering stopped pipe is fixed on the outside of the inner sealing pipe, and the covering stopped pipe is circumscribed with snorkel.Mud columnar sampler provided by the embodiments of the present application, on the one hand depth selection can be controlled by controlling the length of stored one kind of tubes, realize stratified sampling, on the other hand pass through the size of air pressure in control chamber body, control the contraction and reset of inner sealing pipe, and then conducting and partition between the stored one kind of tubes and the cutting tube are controlled, prevent mud sample in sampling process from leaking.
Description
Technical field
This application involves technical field of water pollution treatment, more particularly to a kind of mud columnar sampler.
Background technology
Recently as the development of urbanization, water pollution is increasingly severe, is needed to mud during water pollution control
It is sampled, is analyzed to determine rationally specific control measures to mud character, pollutant load according to mud sample.
Currently, prior art discloses a kind of deepwater substrate sludge sampling device, which can only carry out the mud of upper epidermis
Sampling, and the layered structure of mud can be destroyed, Stratified Sampling cannot be carried out to mud.In addition, other published samplings
Device mostly prevents mud from not sliding outward using the baffle unidirectionally opened, but there are still disturbance mud and mud sample to ooze
The problem of leakage.
In view of this, a kind of sampling that can either can prevent mud sample leakage again to mud progress stratified sampling of design
Utensil has important practical value.
Invention content
In view of the above-mentioned problems, the embodiment of the present application discloses a kind of mud columnar sampler, including：Stored one kind of tubes, cutting tube
And it is connected to and controls the airtight of break-make between the stored one kind of tubes and the cutting tube between the stored one kind of tubes and the cutting tube
Connector；
The airtight connecting piece includes：
The inner sealing pipe that can circumferentially stretch, the inner sealing pipe are connected between the stored one kind of tubes and the cutting tube；
Covering stopped pipe, the covering stopped pipe are fixed on the outside of the inner sealing pipe, and the covering stopped pipe be circumscribed with it is logical
Tracheae.
In one schematical embodiment of the application, one end of the inner sealing pipe is fixed with the stored one kind of tubes to be connected
It connects, the other end of the inner sealing pipe is fixedly connected with the cutting tube, and mud is via the cutting tube and the inner sealing pipe
Into the stored one kind of tubes；
One end of the covering stopped pipe is fixedly connected with the stored one kind of tubes, the other end and the cutting of the covering stopped pipe
Pipe is fixedly connected, and the outer wall of the inner sealing pipe and the inner wall of the covering stopped pipe surround to form a cavity, the cavity and institute
Snorkel is stated to be connected；
It is described interior in the case where inputting the air pressure in gas to the cavity by the snorkel more than first threshold
Sealed tube is shunk, to separate the stored one kind of tubes and the cutting tube, the mud in the stored one kind of tubes and the silt in the cutting tube
Mud is blocked；
It is described interior in the case where being less than second threshold by the air pressure in the snorkel output gas to the cavity
Sealed tube restores to original state, and the mud in the stored one kind of tubes is flowed out via the cutting tube.
In one schematical embodiment of the application, the sampler includes：Connecting rod；
The stored one kind of tubes is fixedly connected with the cutting tube by the connecting rod.
In one schematical embodiment of the application, the outer diameter of the cutting tube is along the direction far from the stored one kind of tubes
Successively decrease, the one end of the cutting tube far from the stored one kind of tubes is provided with lateral incision.
In one schematical embodiment of the application, the shape of the cross section of the connecting rod is annular for fan, and institute
State connecting rod and stored one kind of tubes coaxial arrangement.
In one schematical embodiment of the application, the stored one kind of tubes, the connecting rod and the cutting tube are one
Body machine-shaping.
In one schematical embodiment of the application, one end of the inner sealing pipe and stored one kind of tubes socket are solid
It is fixed；The other end of the inner sealing pipe is fixed by socket with the cutting tube.
In one schematical embodiment of the application, the covering stopped pipe includes：First card of gluing, sealing each other
Block and the second fixture block；
First fixture block is bolted with the stored one kind of tubes and the cutting tube；
Second fixture block is bolted with the stored one kind of tubes and the cutting tube；
First fixture block is fixedly connected with second fixture block, and the inner wall of first fixture block, second fixture block
The outer wall of inner wall and the inner sealing pipe surround jointly and form the cavity.
Mud columnar sampler provided by the embodiments of the present application can not only realize the sampling to mud, can also be by logical
The circumferential direction of the pressure control inner sealing pipe of the gas of tracheae input is flexible, to control between the stored one kind of tubes and the cutting tube
Conducting and partition, prevent mud sample in sampling process from leaking.
Description of the drawings
Fig. 1 is a kind of overall structure diagram for mud columnar sampler that one embodiment of the application provides；
Fig. 2 is a kind of overall structure diagram for mud columnar sampler that one embodiment of the application provides；
Fig. 3 is a kind of overall structure diagram for mud columnar sampler that one embodiment of the application provides；
Fig. 4 is a kind of structural schematic diagram for mud columnar sampler cutting tube that one embodiment of the application provides；
Fig. 5 is a kind of side view for mud columnar sampler cutting tube that one embodiment of the application provides；
Fig. 6 is a kind of structural schematic diagram for mud columnar sampler covering stopped pipe that one embodiment of the application provides；
Fig. 7 is a kind of sectional view for the first fixture block of mud columnar sampler that one embodiment of the application provides；
Fig. 8 is a kind of application method flow chart for mud columnar sampler that one embodiment of the application provides.
Reference numeral
1 --- stored one kind of tubes, 2 --- connecting rod；
3 --- cutting tube, 4 --- inner sealing pipe；
5 --- covering stopped pipe, 6 --- snorkel；
7 --- resistance to compression air inlet pipe, 8 --- valve；
9 --- lateral incision, 10 --- notch.
Specific implementation mode
The specific implementation mode of the application is described below in conjunction with the accompanying drawings.
Herein, "upper", "lower", "front", "rear", "left", "right" etc. are only used for indicating the position between opposite segments
Relationship, and the absolute position of these non-limiting relevant portions.
The embodiment of the present application discloses a kind of mud columnar sampler, including：Stored one kind of tubes 1, cutting tube 3 and it is connected to institute
State the airtight connecting piece that break-make between the stored one kind of tubes 1 and the cutting tube 3 is controlled between stored one kind of tubes 1 and the cutting tube 3.
In the present embodiment, cutting tube 3 act as being inserted into mud when in use, so that mud enters stored one kind of tubes 1；Sample storage
The effect of pipe 1 is the mud that storage enters in pipe, realizes sampling.
Preferably, stored one kind of tubes 1, airtight connecting piece and cutting tube 3 are along the axial arranged of stored one kind of tubes 1, so that mud when sampling
Stored one kind of tubes 1 can be more easily entered.
Optionally, referring to Fig. 1, airtight connecting piece includes：
The inner sealing pipe 4 that can circumferentially stretch, the inner sealing pipe 4 be connected to the stored one kind of tubes 1 and the cutting tube 3 it
Between；
Covering stopped pipe 5, the covering stopped pipe 5 is fixed on the outside of the inner sealing pipe 4, and the covering stopped pipe 5 is external
There is snorkel 6.
In the present embodiment, inner sealing pipe 4 and covering stopped pipe 5 are elastic tube, such as elastic tube made of rubber material, with
Realize circumferential stretch.
Specifically, one end of the inner sealing pipe 4 is fixedly connected with the stored one kind of tubes 1, the other end of the inner sealing pipe 4
It is fixedly connected with the cutting tube 3, mud enters the stored one kind of tubes 1 via the cutting tube 3 and the inner sealing pipe 4；
One end of the covering stopped pipe 5 is fixedly connected with the stored one kind of tubes 1, the other end of the covering stopped pipe 5 with it is described
Cutting tube 3 is fixedly connected, and the outer wall of the inner sealing pipe 4 and the inner wall of the covering stopped pipe 5 surround to form a cavity；
The covering stopped pipe 5 is provided with snorkel 6, and the cavity is connected with the snorkel 6；
It is described in the case where inputting the air pressure in gas to the cavity by the snorkel 6 more than first threshold
Inner sealing pipe 4 is shunk, to separate the stored one kind of tubes 1 and the cutting tube 3, the mud in the stored one kind of tubes 1 and the cutting tube 3
Interior mud is blocked；
It is described in the case where being less than second threshold by the air pressure in the snorkel 6 output gas to the cavity
Inner sealing pipe 4 restores to original state, and the mud in the stored one kind of tubes 1 is flowed out via the cutting tube 3.
The embodiment of the present application provides a kind of mud columnar sampler, can not only realize the sampling to mud, can also lead to
The circumferential direction for crossing the pressure control inner sealing pipe of the gas of snorkel input is flexible, to control the stored one kind of tubes and the cutting tube
Between conducting and partition, prevent mud sample in sampling process from leaking.
Optionally, in order to support the connection of stored one kind of tubes 1 and cutting tube 3, the sampler to further include：Connecting rod 2, stored one kind of tubes
1 is fixedly connected with cutting tube 3 by connecting rod 2.
Optionally, the stored one kind of tubes 1, the connecting rod 2 and the cutting tube 3 are integrated machine-shaping, to the side of processing
Just.
Optionally, the shape of the cross section of the connecting rod 2 is fan annular, and the connecting rod 2 and the stored one kind of tubes 1 are same
Axis is arranged.
For example, the shape of the cross section of the connecting rod 2 can be 1/4 fan annular.For example, the sampler can be by one
Root long degree is that the DN20 seamless steel pipes of 1m are process, and is followed successively by the stored one kind of tubes 1, connecting rod 2 and cutting tube 3 from top to bottom,
It pastes by plastics tape measure on the tube wall of the steel pipe, to record depth selection, using one end of steel pipe as starting point, is upwardly into
2cm is the length of cutting tube 3, is processed into shape as shown in Figure 4, steel pipe is transversely shot off in the upper end of the cutting tube 3
1/4 tube wall of 3/4 tube wall, remaining steel pipe is connecting rod 2, and the length of the connecting rod 2 can be in 4-6cm or so, the connection
The upper end of bar 2 can be selected, not limited herein as stored one kind of tubes 1, the length of the stored one kind of tubes 1 according to actual needs.
Sampler provided by the embodiments of the present application, the connecting rod 2 are processed as fan annular, are shunk in the inner sealing pipe 4
When, the inner sealing pipe 4 fits with the connecting rod 2 to separate the mud in the stored one kind of tubes 1 and the cutting tube 3, prevents
The only leakage of mud sample.
Optionally, the outer diameter of the cutting tube 3 successively decreases along the direction far from the stored one kind of tubes 1, and the cutting tube 3 is far from institute
The one end for stating stored one kind of tubes 1 is provided with lateral incision 9.Lateral incision 9 is further opened with notch 10.
Wherein, the quantity of notch 10 can be arranged according to actual demand, such as be set as two notches.
As shown in Figure 4 and Figure 5, the cross section in the longitudinal direction of the cutting tube 3 can be trapezoidal, and the cutting tube 3 leans on
The outer diameter of one end of the nearly stored one kind of tubes 1 is more than the outer diameter of the other end, and sampler is inserted into sampling site when can reduce sampling
The resistance being subject in mud improves the efficiency of mud sampling.The lateral incision 9 is in the cutting tube 3 far from the stored one kind of tubes 1
One end setting with the inclined notch of horizontal direction.The angle of inclination of the lateral incision 9 is processed according to actual needs.Side
The setting of notch 9, it is possible to reduce sampler is inserted into the resistance being subject in the mud of sampling site when sampling, while can also avoid
Since negative pressure causes mud in pipe that can not flow out after sampling.
Optionally, one end of inner sealing pipe 4 is fixed by socket with stored one kind of tubes 1,3 sets of the other end and the cutting tube of inner sealing pipe 4
Connect fixation.
In the present embodiment, the inner sealing pipe 4 can be elastic emulsion pipe, and the length of the elastic emulsion pipe can be big
In the length of the connecting rod 2, the outside of the connecting rod 2 is fixed in the elastic emulsion pipe socket, for example, the elasticity breast
The edge of the opening sidewalls of sebific duct can directly be adhesively fixed.Sampler provided by the embodiments of the present application, by the inner sealing pipe 4
Both ends be individually fixed in the outside of the cutting tube 3 and the stored one kind of tubes 1, can ensure when inputting gas, the interior envelope
Gas leakage will not occur between stopped pipe 4 and the stored one kind of tubes 1 and the cutting tube 3, ensure that pressure in the cavity reaches the first threshold
It can be kept constant when value, complete sampling.
In addition, protrusion may be used for the position that inner sealing pipe 4 is connect with stored one kind of tubes 1 and cutting tube 3 or groove is connected
Mode, i.e., stored one kind of tubes 1 and cutting tube 3 be respectively arranged with protrusion or groove, with inner sealing pipe 4 be arranged groove or male cooperation
Connection, to enhance air-tightness and bonding strength, and meanwhile it is easy to disassemble.
Optionally, one end of the covering stopped pipe 5 is connect by socket mode with the stored one kind of tubes 1 and is consolidated using bolt
It is fixed, and pass through rubber ring seal；
The other end of the covering stopped pipe 5 is fixed by socket mode with the cutting tube 3 and is fixed using bolt, and logical
Cross rubber ring seal.
In the embodiment of the present application, the inner sealing pipe 4, covering stopped pipe 5 and the stored one kind of tubes 1, the cutting tube 3 use
The mode of socket is fixedly connected, and simplifies installation procedure, while improving the leakproofness of sampler.
In the embodiment of the present application, the material of the covering stopped pipe 5 can select iron, and the length of the covering stopped pipe 5 can
It is surrounded with the outer wall of the length slightly larger than the inner sealing pipe 4, the inner wall for ensureing the covering stopped pipe 5 and the inner sealing pipe 4
A cavity is formed, is fixed using bolt between the covering stopped pipe 5 and the stored one kind of tubes 1 and the cutting tube 3 and uses rubber
Washer sealing prevents that gas leakage occurs during inputting gas into the cavity, improves sealing effect.
Optionally, the covering stopped pipe 5 includes：The first fixture block and the second fixture block of gluing, sealing each other；
First fixture block is bolted with the stored one kind of tubes 1 and the cutting tube 3；
Second fixture block is bolted with the stored one kind of tubes 1 and the cutting tube 3；
First fixture block is fixedly connected with second fixture block, and the inner wall of first fixture block, second fixture block
The outer wall of inner wall and the inner sealing pipe 4 surround jointly and form the cavity.
The structural schematic diagram of the covering stopped pipe 5 is as shown in fig. 6, the covering stopped pipe 5 can be by mutually symmetrical with setting
First fixture block and the second fixture block form, first fixture block, the second fixture block upper end inner wall and the sampler stored one kind of tubes 1
Be adapted, first fixture block, the second fixture block the inner wall of lower end be adapted with the cutting tube 3 of the sampler, the ventilation
Pipe 6 can be set on any fixture block.First fixture block is fixed with second fixture block using bolt, is made in fixed connection place
With rubber ring seal, ensure the leakproofness of sampler.
As follows by taking first fixture block as an example, the snorkel 6 is set on first fixture block, first fixture block
Sectional view as shown in fig. 7, the both ends of the first fixture block can be processed as semicircle, and with 3 phase of the stored one kind of tubes 1 and the cutting tube
Adaptation, the centre of first fixture block can be processed as arc, its inner wall and the outer wall of inner sealing pipe 4 is made to surround to form a chamber
The gas of body, pneumatic shuttle output is entered by the snorkel 6 in the cavity.
Sampler provided by the embodiments of the present application, the covering stopped pipe 5 are fixedly connected with group with the first fixture block and the second fixture block
At, it is easily installed, it is simple to operation.
The embodiment of the present application provides a kind of mud columnar sampler, on the one hand can pass through the length of control stored one kind of tubes 1
And then depth selection is controlled, it realizes stratified sampling, on the other hand passes through the size of air pressure in control chamber body, control inner sealing pipe 4
Contraction and reset, and then control the conducting and partition between the stored one kind of tubes 1 and the cutting tube 3, prevent in sampling process
Mud sample leaks.
Referring to Fig. 2, sampler provided by the embodiments of the present application further includes：Resistance to compression air inlet pipe 7；
The snorkel 6 is connect by the resistance to compression air inlet pipe 7 with pneumatic shuttle, so that the pneumatic shuttle is described in
Snorkel 6 inputs gas into the cavity.
The length of the resistance to compression air inlet pipe 7 can be selected according to actual conditions, not limited herein, for example, described
1.5 times of the length of resistance to compression air inlet pipe 7 slightly larger than the sum of the stored one kind of tubes 1,2 length of connecting rod.The resistance to compression air inlet pipe 7 it is straight
Diameter is adapted with the snorkel 6, ensures to be not in the case where gas leaks in pressure process.
Sampler provided by the embodiments of the present application, pneumatic shuttle are inputted by the resistance to compression air inlet pipe 7 into the cavity
Gas can control the size of cavity internal pressure as needed, ensure the inner sealing pipe 4 can separate the stored one kind of tubes 1 with
The cutting tube 3.
Referring to Fig. 3, the resistance to compression air inlet pipe 7 of sampler provided by the embodiments of the present application is provided with valve 8, in partition institute
In the case of stating stored one kind of tubes 1 and the cutting tube 3, the valve 8 is closed, it is constant to control the pressure in the cavity.
In the present embodiment, when the pressure in cavity reaches first threshold, the inner sealing pipe 4 is shunk, the stored one kind of tubes 1
In the case of separating with the cutting tube 3, it is constant that the pressure in the cavity is controlled by the valve 8, sampler is carried upper
When, it can ensure that the mud sample in the stored one kind of tubes 1 will not leak, ensure the stability of sampling.
Fig. 8 is a kind of application method flow chart of mud columnar sampler, is used for above-mentioned sampler, including：Step a1 is extremely
a4。
A1, the sampler is inserted into the mud on sampling ground, makes mud via the cutting tube 3 and the inner sealing pipe
4 enter the stored one kind of tubes 1；
A2, gas is inputted into the cavity by the snorkel 6, air pressure in the cavity is more than first threshold
In the case of, the inner sealing pipe 4 is shunk, to separate the stored one kind of tubes 1 and the cutting tube 3, the mud in the stored one kind of tubes 1
It is blocked with the mud in the cutting tube 3；
A3, the sampler is above carried, the sampler is made to be separated with the sampling；
A4, by 6 output gas of the snorkel, in the case that air pressure in the cavity is less than second threshold, institute
It states inner sealing pipe 4 to restore to original state, the mud in the stored one kind of tubes 1 is flowed out via the cutting tube 3.
According to step a1 to a4 as described above, in one embodiment of the application, the application method specific operation process is such as
Under：
Sampling position is chosen, and the gas in the cavity is vented, the inner sealing pipe 4 is made to be in original state, it will
The sampler is inserted vertically into the sampling position and adjusts sampler until scheduled sampling depth is reached, by the sampling
Gas is inputted into the cavity by the snorkel 6 after device fixation, when the pressure in the cavity is enough to overcome sampling pipe
When the weight of middle mud and overlying water, the inner sealing pipe 4 is shunk, and gas is being inputted to the cavity by the snorkel 6
In the case that interior air pressure is more than first threshold, the inner sealing pipe 4, which is shunk, separates the stored one kind of tubes 1 and the cutting tube 3, will
Mud in the stored one kind of tubes 1 and the mud in the cutting tube 3 are blocked, above carry the sampler, make the sampler with
Sampling ground phase separation.When setting-out, keep the sampler vertical, by 6 output gas of the snorkel, in the cavity
In the case that interior air pressure is less than second threshold, the inner sealing pipe 4 restores to original state, the mud in the stored one kind of tubes 1
It is flowed out via the cutting tube 3, completes sampling.
The method of sampling provided by the embodiments of the present application is used for above-mentioned sampler, and operating process is simple, and step is few, improves
Sampling efficiency and accuracy.
In another embodiment of the application, the depth of water 30cm on sampling ground is chosen, the following mud depth of water body is 0-20cm, is made
The mud of 0-10cm depth and the mud of 11-20cm depth are detached with sampler, wherein be arranged on the outer wall of the sampler
There are sampling depth of the graduated scale for determining sampler, specific operation process as follows：It is vented the cavity by the snorkel 6
Interior gas makes the inner sealing pipe 4 be in original state, and the sampler is inserted vertically into the mud of sampling site to water
To 50cm graduation marks, the air pressure inputted in gas to the cavity into the cavity by the snorkel 6 is more than first in face
Threshold value, the stored one kind of tubes 1 and the cutting tube 3 are blocked, the mud in the stored one kind of tubes 1 and the mud in the cutting tube 3
It is blocked.Ensure that the air pressure in the cavity is constant, above carry the sampler, makes the sampler and sampling ground phase point
From the cutting tube 3 of the sampler is directed at sampling bottle, is passing through the air pressure in the snorkel 6 output gas to the cavity
In the case of less than second threshold, the inner sealing pipe 4 restores to original state, and the mud in the stored one kind of tubes 1 is via described
Cutting tube 3 flows out, and completes sampling.
On the one hand a kind of application method of mud columnar sampler provided by the embodiments of the present application can be inserted by controlling
The length of stored one kind of tubes 1 controls depth selection in turn in sampling ground, stratified sampling is realized, on the other hand by adjusting the gas in cavity
Pressure, controls the contraction and reset of the inner sealing pipe 4, so control the conducting of the stored one kind of tubes 1 and the cutting tube 3 with every
It is disconnected, the stability of mud sampling is improved, method is simple and reliable, applied widely.
The application preferred embodiment and embodiment are explained in detail above in conjunction with attached drawing, but the application
The above-described embodiment and examples are not limited to, within the knowledge of those skilled in the art, can also not taken off
It is made a variety of changes under the premise of conceiving from the application.
Claims (8)
1. a kind of mud columnar sampler, which is characterized in that including：Stored one kind of tubes (1), cutting tube (3) and it is connected to the storage
The air-tight connection of break-make between the stored one kind of tubes (1) and the cutting tube (3) is controlled between sample pipe (1) and the cutting tube (3)
Part；
Wherein, the airtight connecting piece includes：
The inner sealing pipe (4) that can circumferentially stretch, the inner sealing pipe (4) are connected to the stored one kind of tubes (1) and the cutting tube (3)
Between；
Covering stopped pipe (5), the covering stopped pipe (5) are fixed on the outside of the inner sealing pipe (4), and the covering stopped pipe (5)
It is circumscribed with snorkel (6).
2. mud columnar sampler according to claim 1, which is characterized in that
One end of the inner sealing pipe (4) is fixedly connected with the stored one kind of tubes (1), the other end of the inner sealing pipe (4) and institute
It states cutting tube (3) to be fixedly connected, mud enters the stored one kind of tubes (1) via the cutting tube (3) and the inner sealing pipe (4)；
One end of the covering stopped pipe (5) is fixedly connected with the stored one kind of tubes (1), the other end of the covering stopped pipe (5) and institute
It states cutting tube (3) to be fixedly connected, the outer wall of the inner sealing pipe (4) and the inner wall of the covering stopped pipe (5) surround to form a chamber
Body, the cavity are connected with the snorkel (6)；
It is described interior in the case where inputting the air pressure in gas to the cavity by the snorkel (6) more than first threshold
Sealed tube (4) is shunk, to separate the stored one kind of tubes (1) and the cutting tube (3), mud in the stored one kind of tubes (1) with it is described
Mud in cutting tube (3) is blocked；
It is described interior in the case where being less than second threshold by the air pressure in the snorkel (6) output gas to the cavity
Sealed tube (4) restores to original state, and the mud in the stored one kind of tubes (1) is flowed out via the cutting tube (3).
3. mud columnar sampler according to claim 1, which is characterized in that the sampler further includes：Connecting rod
(2)；
The stored one kind of tubes (1) is fixedly connected with the cutting tube (3) by the connecting rod (2).
4. mud columnar sampler according to claim 1, which is characterized in that the outer diameter of the cutting tube (3) is along separate
The direction of the stored one kind of tubes (1) is successively decreased, and the one end of the cutting tube (3) far from the stored one kind of tubes (1) is provided with lateral incision (9).
5. mud columnar sampler according to claim 3, which is characterized in that the shape of the cross section of the connecting rod (2)
Shape is fan annular, and the connecting rod (2) and the stored one kind of tubes (1) are coaxially disposed.
6. mud columnar sampler according to claim 3, which is characterized in that the stored one kind of tubes (1), the connecting rod
(2) and the cutting tube (3) is integrated machine-shaping.
7. mud columnar sampler according to claim 1, which is characterized in that
One end of the inner sealing pipe (4) is fixed by socket with the stored one kind of tubes (1)；
The other end of the inner sealing pipe (4) is fixed by socket with the cutting tube (3).
8. mud columnar sampler according to claim 1, which is characterized in that the covering stopped pipe (5) includes：It pastes each other
Close the first fixture block and the second fixture block of sealing；
First fixture block is bolted with the stored one kind of tubes (1) and the cutting tube (3)；
Second fixture block is bolted with the stored one kind of tubes (1) and the cutting tube (3)；
First fixture block is fixedly connected with second fixture block, and the inner wall of first fixture block, second fixture block is interior
Wall and the outer wall of the inner sealing pipe (4) surround and form the cavity jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395060.6A CN108535056A (en) | 2018-04-27 | 2018-04-27 | A kind of mud columnar sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395060.6A CN108535056A (en) | 2018-04-27 | 2018-04-27 | A kind of mud columnar sampler |
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