CN102645353B - A rotary bottom-sealing shallow in-situ mud extractor - Google Patents
A rotary bottom-sealing shallow in-situ mud extractor Download PDFInfo
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- CN102645353B CN102645353B CN201210141262.0A CN201210141262A CN102645353B CN 102645353 B CN102645353 B CN 102645353B CN 201210141262 A CN201210141262 A CN 201210141262A CN 102645353 B CN102645353 B CN 102645353B
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 title abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 93
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention relates to a mud sampler for collecting underwater bottom mud, in particular to a rotary bottom-sealing type shallow in-situ mud sampler, which comprises a sampling cylinder and is characterized in that: the sampling device also comprises a sleeve which is connected with the top of the sampling cylinder and is positioned outside the sampling cylinder, a semi-conical bottom seal which coats the bottom of the sampling cylinder, a separation sheet which is arranged inside the sampling cylinder, a rotating shaft of which the bottom is connected with the semi-conical bottom seal, and a soft spring which is connected with the top of the rotating shaft; the rotating shaft is positioned in the sampling cylinder and the sleeve, and the end part of the soft spring extends out of the sleeve and is provided with a rotating handle. The rotating shaft and the semi-conical bottom seal can be driven to rotate by rotating the soft spring, the sampling cylinder is firstly pressed into the mud during sampling, then the soft spring handle is rotated to rotate the semi-conical bottom seal for 180 degrees to seal the mud sample, and the sampling cylinder is lifted to obtain the complete semi-cylindrical mud sample. The method has the characteristics of simple operation, strong adaptability, small disturbance to the mud sample, high sampling efficiency, convenient carrying and the like, and is particularly suitable for in-situ accurate acquisition of the surface mud sample in the shallow water area.
Description
Technical field
The present invention relates to a kind of bottom sampler for bed mud collection under water, relate in particular to a kind of rotation sealing bottom type shallow-layer original position bottom sampler for the in-situ acquisition of shallow waters (depth of water 1 ~ 5m) sediments (5 ~ 20cm).
Background technology
In natural water area, between water body and bed mud, constantly carrying out the reciprocal process of pollutant, especially in shallow-layer bed mud, process is more active.Therefore,, in monitoring water environment, improvement and protection research, the reciprocal effect effect between water body and shallow-layer bed mud is an important research contents, need to gather in large quantities shallow-layer bed mud and carry out original position chromatographic analysis.The collection of shallow-layer mud sample at present adopts negative pressure tubular type collector mostly, and this class collector has advantages of simple in structure, easy to operate.But mud sample water percentage is high, mud layer is thin because shallow-layer bed mud has, adopt the problems such as negative pressure tubular type bottom sampler is very easy to occur leaking mud and mud layer disturbance is serious.As " a kind of soil stratified sampling device " declared by Nanjing Inst. of Geography and Lakes, Chinese Academy of Sciences and " a kind of shallow-water sediment sampler " two patents of China national Department of Intellectual Property bulletin in 1999, Granted publication number is respectively CN2350748Y and CN 2350437Y, its technological core is based on piston principle, in sampling pipe, to produce negative pressure, thereby extract bottom mud sample and it is rested in pipe, under the effect of negative pressure, mud sample is left the water, simple to operate, the mud sample collection lower to water percentage has good effect.But when gathering the higher shallow-layer mud of water percentage, the collection of piston type negative pressure can cause mud sample blending disturbance in pipe, changes original hierarchical structure, has reduced the precision to shallow-layer sediment in-situ layering research.
Summary of the invention
For overcome existing bottom sampler to shallow-layer mud sample disturbance seriously, easily leak the shortcomings such as mud, the present invention designed the rotatable sealing in a kind of bottom, by the mud sample undisturbed of collecting in collector or perturbation moving leave the water, improve the rotation sealing bottom type shallow-layer original position bottom sampler of shallow-layer sediment in-situ layering research precision, can reduce the destruction to mud sample hierarchical structure in gatherer process as far as possible, well solve the requirement to the moving original position stratified sampling of the perturbation of top layer sposh.To the key issue of shallow-layer bed mud collection be how by the mud sample undisturbed of collecting in collector or perturbation moving leave the water, mentality of designing of the present invention is, after bottom sampler inserts mud layer, mud sample is carried out to original position sealing, mud sample is left the water under the state of being isolated completely, thereby guarantee that the mud sample gathering can not be subject to external disturbance, sample can completely is preserved original hierarchy.
In order to address the above problem, the technical scheme that apparatus of the present invention adopt is: a kind of rotation sealing bottom type shallow-layer original position bottom sampler, comprise sampling cylinder, it is characterized in that: the half-cone underseal, the shim of being located at sampling cylinder inside, the bottom that also comprise the sleeve pipe that is connected with sampling cylinder top and is positioned at sampling cylinder outside, coated sampling cylinder bottom connect the rotation axis of half-cone underseal, the soft spring at connection of rotating axle top; Rotation axis is positioned at sampling cylinder and sleeve pipe, and the end of soft spring extends to outside sleeve pipe and is provided with rotary handle.
Aforesaid a kind of rotation sealing bottom type shallow-layer original position bottom sampler, is characterized in that: described sampling cylinder is connected and composed by the top cylinder of sampling, prolongation sampling cylinder and sampling end cylinder, and extending sampling cylinder is several, and a sampling top center drilling is also provided with axle sleeve.
Aforesaid a kind of rotation sealing bottom type shallow-layer original position bottom sampler, is characterized in that: there is through hole at described shim center, can hold rotation axis and pass, sampling cylinder is separated sheet and is divided into two independently spaces.
Aforesaid a kind of rotation sealing bottom type shallow-layer original position bottom sampler, is characterized in that: every section of described sampling cylinder inwall all offers the fixedly groove of shim.
Aforesaid a kind of rotation sealing bottom type shallow-layer original position bottom sampler, is characterized in that:, for half cone-shaped, there is raised brim described half-cone underseal bottom, and the centre of half-cone underseal is connected with rotation axis.
Aforesaid a kind of rotation sealing bottom type shallow-layer original position bottom sampler, is characterized in that: described rotation axis is connected with soft spring by shaft coupling.
Aforesaid a kind of rotation sealing bottom type shallow-layer original position bottom sampler, is characterized in that: at the bottom of described sampling, cylinder sidewall is provided with a register pin, installation axis and the shim of register pin are centered close on same plane.
The agent structure of device of the present invention is by sampling cylinder, sleeve pipe, half-cone underseal, rotation axis, soft spring and rotary handle etc. partly form, wherein sampling cylinder is isolated into two halves, sampling cylinder bottom half-cone underseal can seal half entrance of sampling cylinder, during operation, sampling cylinder is inserted in water-bed mud layer, in half sampling cylinder that mud sample is entered be not blocked, and second half sampling cylinder enters because blocking of half-cone underseal do not have mud, then operator drives rotation axis and half-cone underseal Rotate 180 ° by controlling soft spring, half-cylindrical Ni Yang in sampling cylinder is blocked and is enclosed in sampling cylinder in lower end, mud sample bottom is held and is isolated from the outside by half-cone underseal, thereby leave the water easily.
In the present invention, sampling cylinder and sleeve pipe form by multistage, can be adapted to different depth of water environment and the sampling request of different mud layer thickness, adopt soft spring as operation force transferring part, well adapt to different casing length, easy to carry.This bottom sampler is a kind of convenient and reliable bricklayer's's tool of adopting, there is simple to operate, strong adaptability, little to the disturbance of mud sample, sampling efficiency is high, the feature such as easy to carry, the original position that is particularly suitable for shallow waters shallow-layer mud sample accurately gathers, for the sampling of the fields, field such as geology, environmental protection, water conservancy or laboratory provides equally strong instrument.
Accompanying drawing explanation
Fig. 1 is that bottom sampler of the present invention partly cuts open front view (inner structure).
Fig. 2 be on bottom sampler front view of the present invention shown in the cross sectional view of “A-A” position.
Fig. 3 be on bottom sampler front view of the present invention shown in the cross sectional view of “B-B” position.
Fig. 4 is bottom sampler right view of the present invention (external structure).
Fig. 5 is bottom sampler of the present invention " half-cone underseal " outside drawing.
In accompanying drawing, the meaning of each label is:
1. rotary handle; 2. press down handle; 3. soft spring; 4. sleeve pipe; 5. shaft coupling; 6. rotation axis
7. cylinder is pushed up in sampling; 8. extend sampling cylinder; Sampling the end cylinder; 10. half-cone underseal; 11. shims;
12. fixed screws; 13. axle sleeves; 14. register pins; 15. exhaust spillway holes; 16. grooves.
Embodiment
For technical scheme, technical characterictic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment and accompanying drawing, further set forth the present invention.
Fig. 1 is that bottom sampler of the present invention partly cuts open front view, illustrate the inner structure of bottom sampler, a kind of rotation sealing bottom type shallow-layer original position bottom sampler, comprise sampling cylinder, it is characterized in that: the half-cone underseal 10, the shim 11 of being located at sampling cylinder inside, the bottom that also comprise the sleeve pipe 4 that is connected with sampling cylinder top and is positioned at sampling cylinder outside, coated sampling cylinder bottom connect the rotation axis 6 of half-cone underseal 10, the soft spring 3 at connection of rotating axle 6 tops; Rotation axis 6 is positioned at sampling cylinder and sleeve pipe 4, and the end of soft spring 3 extends to outside sleeve pipe 4 and is provided with rotary handle 1.Sampling cylinder is bottom opening stainless steel cylinder, extends sampling cylinder 8 be socketed to form by screw thread by sampling top cylinder 7, sampling end cylinder 9 and middle several.
According to Fig. 1-Fig. 4, sampling top cylinder 7 tops are firmly connected with sleeve pipe 4 by four gib screws 12, and offer two exhaust spillway hole 15(and see Fig. 2), can be in the descending process of sampling cylinder the empty G&W of expelling tube inner sealing.Sampling end cylinder 9 is a hollow cylinder, and lower edge is offered cutting edge, is conducive to sampling cylinder and inserts in mud layer.In order to make this sampling thief can gather the mud sample of different-thickness, between top cylinder and end cylinder, can connect several and extend sampling cylinder 8, each extending is hollow cylinder, upper and lower side has internal and external threads, can be threaded with top cylinder and end cylinder as a whole, by changing the quantity of extending, form the sampling cylinder of different length.Sampling top cylinder 7 center drillings are also installed an axle sleeve 13, and rotation axis 6 can freely rotate axle sleeve 13 is interior.
The middle part of every one deck sampling cylinder is all provided with a stainless steel shim 11(Fig. 1 and Fig. 3), there is through hole at shim 11 middle parts, can hold rotation axis 6 passes through, shim 11 can insert (see figure 3) in sampling cylinder inboard wall groove 16, groove 16 can play location and prevent the effect that shim 11 rotates, and the space that shim 11 post-sampling cylinders are separated into two symmetrical Qie Bu UNICOMs is installed.
Half-cone underseal 10 bottoms are half cone-shaped, have raised brim (the semicircular ring structure of Fig. 1 Fig. 5, especially Fig. 2 or Fig. 3) ，Qi edge internal diameter identical with sampling cylinder external diameter.Half-cone underseal 10 centre is fixedly connected with by nut with rotation axis 6 bottoms, and half-cone underseal 10 can rotate along sampling cylinder base plane under the drive of rotation axis 6.In sampling cylinder 9 edges, the end (bottom sides), fix a register pin 14, the installation axis of register pin 14 and shim 11 are centered close to (Fig. 1-Fig. 4) on same plane, can play rotary stopper effect to the half-cone underseal 10 of bottom, can seal exactly two insulating spaces of sampling cylinder.
The upper end of rotation axis 6 is fixed on shaft coupling 5 by nut, and the other end of shaft coupling 5 connects with soft spring 3, at soft spring 3 tops, rotary handle 1 is housed, and shaft coupling 5 and soft spring 3 are all enclosed within sleeve pipe 4.Soft spring has good rotating torque transfer function, operator's rotating torque can be delivered on shaft coupling 5 and rotation axis 6, thereby drive half-cone underseal 10 to rotate.In order to adapt to, carry out sampling operation under the different depth of water, multistage sleeve pipe 4 is threaded connection composition, and topmost sleeve pipe 4 has one to press down handle 2, facilitates sampling person hand-held and be pressed in bed mud.Soft spring 3 is weak easily curling, does not affect the transmission effect to rotating torque longer in the situation that, the adjustment to sleeve pipe 4 length when the extraordinary adaptation of energy is used, and easy to carry, be applicable to the requirement of field work.
Device use procedure of the present invention is as follows:
1,, according to the thickness of the depth of water and required collection mud layer, adjust the length of sleeve pipe 4 and the height of sampling cylinder;
2, rotate the rotary handle 1 of soft spring 3 ends, make sampling cylinder bottom half-cone underseal 10 turn to the position that is close to spacer pin, semiclosed by sampling cylinder;
3, held by both hands presses down handle 2 bottom sampler is pressed in bed mud stably, allows bed mud enter into a side of sampling cylinder.Because top layer mud is rarer, be very easily disturbed, operation should be tried one's best steadily slowly, and the empty G&W in sampling cylinder can from ventilating drainage hole, be discharged stably;
4,, after being pressed into predetermined depth, mild reverse rotation soft spring 3 end rotary handles 1, make half-cone underseal 10 close the side that sampling cylinder has entered mud;
5, bottom sampler is pulled out to the water surface stably, Unscrew half-cone underseal 10, is discharged into special container by half-cylindrical mud post, once samples complete.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210141262.0A CN102645353B (en) | 2012-05-09 | 2012-05-28 | A rotary bottom-sealing shallow in-situ mud extractor |
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| CN201210141262.0A CN102645353B (en) | 2012-05-09 | 2012-05-28 | A rotary bottom-sealing shallow in-situ mud extractor |
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| CN102645353A CN102645353A (en) | 2012-08-22 |
| CN102645353B true CN102645353B (en) | 2014-01-15 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629876A (en) * | 2009-05-27 | 2010-01-20 | 河海大学 | Pressed rotary vane sampler used for sludge yard and reclaimed yard and sampling method |
| CN101634614A (en) * | 2009-08-18 | 2010-01-27 | 浙江大学 | Gravity piston type long cylindrical sediment sampler penetrating through hydrate BSR interface |
| CN102410940A (en) * | 2011-10-11 | 2012-04-11 | 湖南万通电力科工有限公司 | Grabbing type sampling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4000677C2 (en) * | 1989-02-11 | 1997-09-25 | Fritzmeier Georg Gmbh & Co | Use of a device for taking a soil specimen |
-
2012
- 2012-05-28 CN CN201210141262.0A patent/CN102645353B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629876A (en) * | 2009-05-27 | 2010-01-20 | 河海大学 | Pressed rotary vane sampler used for sludge yard and reclaimed yard and sampling method |
| CN101634614A (en) * | 2009-08-18 | 2010-01-27 | 浙江大学 | Gravity piston type long cylindrical sediment sampler penetrating through hydrate BSR interface |
| CN102410940A (en) * | 2011-10-11 | 2012-04-11 | 湖南万通电力科工有限公司 | Grabbing type sampling device |
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