CN103900850A - Surface sediment sampling device capable of accurately controlling thickness - Google Patents
Surface sediment sampling device capable of accurately controlling thickness Download PDFInfo
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- CN103900850A CN103900850A CN201410125476.8A CN201410125476A CN103900850A CN 103900850 A CN103900850 A CN 103900850A CN 201410125476 A CN201410125476 A CN 201410125476A CN 103900850 A CN103900850 A CN 103900850A
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Abstract
The invention relates to the technical field of ocean monitoring, and in particular relates to a surface sediment sampling device capable of accurately controlling thickness. The device comprises a sampling depth control device, a mud scraping device, a sample storage tray and an outer bracket, wherein an opening is formed in one side of the sample storage tray; the outer bracket is arranged above the sample storage tray; the sampling depth control device is arranged at the opening side of the sample storage tray, and the upper end of the sampling depth control device is connected with the outer bracket; the sampling depth control device can move up and down; the mud scraping device is arranged in the sample storage tray and is connected with a sample storage tray rear side plate opposite to the opening side of the sample storage tray; the mud scraping device can move front and back. The surface sediment sampling device is applicable to collection of surface sediment with a certain thickness during substrate monitoring survey of oceans, rivers and lakes, the thickness of the collected sediment can be simply and conveniently controlled, and a satisfactory surface sediment sample is obtained.
Description
Technical field:
The present invention relates to marine monitoring technology field, be specially a kind of surface deposit sampling apparatus of accurate control thickness, while being applicable to ocean, river, lake substrate monitoring and surveying, gather certain thickness surface deposit.
Background technology
Surface deposit plays a part very important in the material migration process in ocean, lake or river.On the one hand, the material (particularly pollutant) in water body can enter particle by absorption, flocculation or other physics, chemical action, and enters surface deposit with the sedimentation of particle, makes surface deposit become the remittance of these materials; And the material (particularly pollutant) entering in surface deposit can reenter water body by dissolving, desorb or other Biochemical processes under suitable condition, cause material in water body (pollutant) content to raise, even form secondary pollution.Therefore, in surface deposit, the content of pollutant is one of emphasis of water environment (ocean, lake and river) monitoring.Accordingly, the collection of superficial deposit matter sample is also one of the work that must do.But there is larger problem in the method that at present general surface deposit gathers.First most of technical manual, as " standard of marine survey " (12763.8-2007) and " surface water and sewage monitoring technical manual " (HJ/T91-2002) only stipulated with bottom sampler sediment from seabed or lakebed is adopted up, but how sample is obtained from adopt up in seabed to representational superficial deposit matter sample and there is no concrete regulation, both do not stipulated to use which kind of instrument, do not stipulate to gather how thick sediment yet, but stipulate to adopt sedimental quality, cause different investigators to obtain the sediment of different-thickness with different sampling instrument collections, thereby, the surface deposit Thickness Ratio gathering is more chaotic, and the age of different-thickness surface deposit representative can differ greatly, sediment as sedimental in rate of sedimentation 1cm/a, only have sediment more than 1cm could represent newly-generated then sediment, and sediment between 1-2cm is to form upper one year, can not represent newly-generated then sediment.And to the slower abyssal sediment of rate of sedimentation, the difference of its 1cm thickness can be brought the sediment age differences of nearly one thousand years, this just makes the representativeness of the surface deposit of gathered different-thickness have very large query.Secondly,, although some technical manuals, the sediment that (GB1378.5-2007) has stipulated carefully to get top 0～1cm with plastic knife or spoon from bottom sampler as " marine monitoring standard " is as surface deposit.But how in actual samples process, still can not accurately control the thickness of sampling by the degree of depth that cutter or spoon are accurately controlled 1cm, simultaneously, owing to having on sedimental surface the mud scum that one deck mobility is very strong, with cutter or when sampling spoon this layer of mud scum be easy to run off, make to adopt surface deposit still without good representativeness.The working experience long-term according to us, in same survey area, only has the surface deposit that gathers unified thickness, and the result obtaining just has comparability and reliability.
How obtaining satisfied representational superficial deposit matter sample, is the problem that current water environment (ocean, lake, river) monitoring must solve.If sampling instrument itself can simply control the thickness of sampling, again can not can make the mud scum on top layer run off, just can obtain satisfied representational superficial deposit matter sample.And the present invention obtains for addressing this problem that satisfied representational surface deposit designs just.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of surface deposit sampling apparatus that can accurately control thickness.This device can be controlled adopted sedimental thickness simply and easily, obtains satisfied superficial deposit matter sample.
To achieve these goals, the present invention is by the following technical solutions:
A kind of surface deposit sampling apparatus of accurate control thickness, comprise sampling depth control device, mud-scraping apparatus, sample storage disks and support arm, wherein a side of sample storage disks is open ports, described support arm is arranged at the top of sample storage disks, described sampling depth control device is arranged at the open ports side of sample storage disks, and upper end is connected with support arm, described sampling depth control device can move up and down, described mud-scraping apparatus is arranged in sample storage disks, and the sample storage disks back side panel relative with the open ports side of sample storage disks connects, described mud-scraping apparatus can move forward and backward.
Described sample storage disks comprises sample storage disks base plate, sample storage disks left plate, sample storage disks right plate and sample storage disks back side panel, wherein sample storage disks left plate, sample storage disks right plate and sample storage disks back side panel are set in turn in left side, right side and the rear side of sample storage disks base plate, the front side of described sample storage disks is open ports, on described sample storage disks left plate and sample storage disks right plate, is provided with scale mark along short transverse.
Described sampling depth control device comprises sampling depth control lever and sampling depth control panel, open ports side two ends that wherein sampling depth control panel is arranged at described sample storage disks are slidably connected with sample storage disks left plate and sample storage disks right plate respectively, one end of described sampling depth control lever is fixedly connected with the upper end of sampling depth control panel, the through hole that the other end is provided with through support arm is also threaded with setscrew nut, by push-and-pull sampling depth control lever, sampling depth control panel is moved up and down.
Described mud-scraping apparatus comprises cleaning shoe control lever and cleaning shoe, wherein cleaning shoe is arranged in sample storage disks and is parallel with the open ports of sample storage disks, described one end of scraping mud control lever is connected with cleaning shoe, the circular hole that the other end is provided with by sample storage disks back side panel passes, by promoting cleaning shoe control lever, make the forward and backward movement of cleaning shoe.
Described support arm is all to be extended vertically upward and curved inwardly at top by the front end of sample storage disks left plate, sample storage disks right plate and the centre of sample storage disks back side panel to be intersected in support arm joint place and to form.Described support arm joint be provided with circular hole and be positioned at described sampling depth control device directly over, described sampling depth control device, through the circular hole on support arm joint, makes sampling depth control device be connected with support arm.
Described sampling depth control device, mud-scraping apparatus, sample storage disks and support arm all adopt teflon to make.
Advantage of the present invention and beneficial effect are:
1. the present invention is made up of polytetrafluoroethylmaterial material, easily cleans the pollution that can not bring again heavy metal.
2. application the present invention can control adopted sedimental thickness simply and easily, obtains satisfied superficial deposit matter sample.
3. the present invention is simple in structure, easy operating and maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1.
Wherein: 1 is sampling depth control lever, 2 is support arm, 3 is sampling depth control panel, and 4 is scale, and 5 is sample storage disks base plate, 6 is cleaning shoe control lever, 7 is sample storage disks left plate, and 8 is cleaning shoe, and 9 is support arm point of crossing, 10 is sample storage disks right plate, and 11 is sample storage disks back side panel.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As Figure 1-3, the present invention: comprise sampling depth control device, mud-scraping apparatus, sample storage disks and support arm 2, wherein sample storage disks is made up of sample storage disks base plate 5, sample storage disks left plate 7, sample storage disks right plate 10 and sample storage disks back side panel 11, the height of described sample storage disks left plate 7, sample storage disks right plate 10 and sample storage disks back side panel 11 is 5cm and is set in turn in left and right side and the rear side of sample storage disks base plate 5, and the front side of described sample storage disks is open ports.Described support arm 2 is welded in the top of sample storage disks, and open ports side upper end that described sampling depth control device is arranged at sample storage disks are connected with support arm 2, and described sampling depth control device can move up and down.Described mud-scraping apparatus is arranged in sample storage disks and the sample storage disks back side panel 11 relative with the open ports side of sample storage disks connects, and described mud-scraping apparatus can move forward and backward.
Described sampling depth control device comprises sampling depth control lever 1 and sampling depth control panel 3, and open ports side two ends that wherein sampling depth control panel 3 is arranged at described sample storage disks are slidably connected with sample storage disks left plate 7 and sample storage disks right plate 10 respectively.One end of described sampling depth control lever 1 is fixedly connected with the upper end of sampling depth control panel 3, the circular hole that the other end is provided with through support arm 2 also makes depth control apparatus be connected with support arm 2 by setscrew nut, and push-and-pull sampling depth control lever 1 moves up and down sampling depth control panel 3.Can accurately control sampling depth control panel 3 bottoms to the distance between sample storage disks base plate 5 by adjusting sampling depth control lever 1, thereby control the thickness of institute's acquisition tables surface sediments.On the sample storage disks left plate 7 of described sample storage disks and sample storage disks right plate 10, being provided with precision along short transverse is the scale mark 4 that 1mm, length are 5cm, can adjust accordingly sampling depth control panel 3 bottoms to the distance between sample storage disks base plate 5.Described sampling depth control lever 1 and sampling depth control panel 3 are mainly made up of polytetrafluoroethylmaterial material.
Described mud-scraping apparatus comprises cleaning shoe control lever 6 and cleaning shoe 8, wherein cleaning shoe 8 is arranged in sample storage disks and is parallel with the open ports of sample storage disks, described one end of scraping mud control lever 6 is connected with cleaning shoe 8, the circular hole that the other end is provided with by the sample storage disks back side panel 11 of sample storage disks passes, by promoting cleaning shoe control lever 6, make the forward and backward movement of cleaning shoe 8.Described cleaning shoe 5 can be released gathered surface deposit from sample storage disks.Described cleaning shoe control lever 6 and cleaning shoe 8 are mainly made up of polytetrafluoroethylmaterial material.
Described support arm 2 is all to be extended vertically upward and curved inwardly at top by the front end of the sample storage disks left plate 7 of sample storage disks, sample storage disks right plate 10 and the centre of sample storage disks back side panel 11 to be intersected in support arm joint 9 places, top, and forms.Described support arm joint 9 is provided with circular hole, and be positioned at sampling depth control device directly over.Described sampling depth control lever 1 is through the circular hole on support arm joint 9 and by setscrew nut, sampling depth control device is connected with support arm 2, and support arm 2 is mainly made up of polytetrafluoroethylmaterial material.
Principle of work of the present invention is:
In the time of normal work, the sedimental thickness gathering as required, first adjust sampling depth control lever 1, make the bottom of sampling depth control panel 3 aim at scale mark 4 corresponding in sample storage disks, sampling depth control panel 3 bottoms are just the sedimental thickness that needs collection to the distance of sample storage disks base plate 5 like this; Secondly, hold the support arm 2 of sampling apparatus, sampling apparatus is inserted in sediment gently, make sedimental surface just arrive the bottom of sampling depth control panel 3.In the time that sampling depth control panel 3 also enters sediment, it is large that the running resistance of sampling apparatus becomes, and can proofread and correct in time the degree of depth of sampling, obtains the sample that meets thickness requirement.After sampling finishes, promotion cleaning shoe control lever 6, pushes polybag by gathered sample or other container saves.So just can obtain the satisfactory superficial deposit matter sample of constant thickness.
Claims (7)
1. accurately control the surface deposit sampling apparatus of thickness for one kind, it is characterized in that: comprise sampling depth control device, mud-scraping apparatus, sample storage disks and support arm (2), wherein a side of sample storage disks is open ports, described support arm (2) is arranged at the top of sample storage disks, described sampling depth control device is arranged at the open ports side of sample storage disks, and upper end is connected with support arm (2), described sampling depth control device can move up and down, described mud-scraping apparatus is arranged in sample storage disks, and the sample storage disks back side panel (11) relative with the open ports side of sample storage disks connects, described mud-scraping apparatus can move forward and backward.
2. by the surface deposit sampling apparatus of accurate control thickness claimed in claim 1, it is characterized in that: described sample storage disks comprises sample storage disks base plate (5), sample storage disks left plate (7), sample storage disks right plate (10) and sample storage disks back side panel (11), wherein sample storage disks left plate (7), sample storage disks right plate (10) and sample storage disks back side panel (11) are set in turn in the left side of sample storage disks base plate (5), right side and rear side, the front side of described sample storage disks is open ports, described sample storage disks left plate (7) and sample storage disks right plate (10) are upper is provided with scale mark (4) along short transverse.
3. by the surface deposit sampling apparatus of accurate control thickness claimed in claim 2, it is characterized in that: described sampling depth control device comprises sampling depth control lever (1) and sampling depth control panel (3), wherein sampling depth control panel (3) is arranged at the open ports side of described sample storage disks, and two ends are slidably connected with sample storage disks left plate (7) and sample storage disks right plate (10) respectively, one end of described sampling depth control lever (1) is fixedly connected with the upper end of sampling depth control panel (3), the through hole that the other end is provided with through support arm (2), and be threaded with setscrew nut, make on sampling depth control panel (3) by push-and-pull sampling depth control lever (1), lower movement.
4. by the surface deposit sampling apparatus of accurate control thickness claimed in claim 2, it is characterized in that: described mud-scraping apparatus comprises cleaning shoe control lever (6) and cleaning shoe (8), wherein cleaning shoe (8) is arranged in sample storage disks and is parallel with the open ports of sample storage disks, described one end of scraping mud control lever (6) is connected with cleaning shoe (8), the circular hole that the other end is provided with by sample storage disks back side panel (11) passes, by promoting cleaning shoe control lever (6), make the forward and backward movement of cleaning shoe (8).
5. by the surface deposit sampling apparatus of accurate control thickness claimed in claim 2, it is characterized in that: described support arm (2) is all to be extended vertically upward and curved inwardly at top by the front end of sample storage disks left plate (7), sample storage disks right plate (10) and the centre of sample storage disks back side panel (11) to be intersected in support arm joint (9) and to locate and form.
6. by the surface deposit sampling apparatus of accurate control thickness claimed in claim 5, it is characterized in that: described support arm joint (9) be provided with circular hole and be positioned at described sampling depth control device directly over, described sampling depth control device, through the circular hole on support arm joint (9), makes sampling depth control device be connected with support arm (2).
7. by the surface deposit sampling apparatus of the accurate control thickness described in claim 1-6 any one, it is characterized in that: described sampling depth control device, mud-scraping apparatus, sample storage disks and support arm (2) all adopt teflon to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410125476.8A CN103900850B (en) | 2014-03-31 | 2014-03-31 | Surface sediment sampling device capable of accurately controlling thickness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410125476.8A CN103900850B (en) | 2014-03-31 | 2014-03-31 | Surface sediment sampling device capable of accurately controlling thickness |
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| CN103900850A true CN103900850A (en) | 2014-07-02 |
| CN103900850B CN103900850B (en) | 2017-02-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105910852A (en) * | 2016-07-01 | 2016-08-31 | 中国环境科学研究院 | Vertical overlying deposit layered collection device and method |
| CN105954057A (en) * | 2016-07-01 | 2016-09-21 | 中国环境科学研究院 | Portable surficial sediment sampling device with controllable sampling thickness and sampling method thereof |
| CN106525481A (en) * | 2016-11-11 | 2017-03-22 | 中国水产科学研究院南海水产研究所 | Underwater reef attachment collecting device |
| CN106989954A (en) * | 2017-05-25 | 2017-07-28 | 中国水产科学研究院淡水渔业研究中心 | A kind of sediment collecting device in rice fishing interaction system |
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2014
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Patent Citations (6)
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| JP2001124672A (en) * | 1999-10-28 | 2001-05-11 | Ns Kankyo Kk | Method for collecting soil sample by depth and collecting device used for the method |
| JP3694748B2 (en) * | 2003-05-13 | 2005-09-14 | 国立大学法人 和歌山大学 | Sand collection aid |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105910852A (en) * | 2016-07-01 | 2016-08-31 | 中国环境科学研究院 | Vertical overlying deposit layered collection device and method |
| CN105954057A (en) * | 2016-07-01 | 2016-09-21 | 中国环境科学研究院 | Portable surficial sediment sampling device with controllable sampling thickness and sampling method thereof |
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| CN106525481A (en) * | 2016-11-11 | 2017-03-22 | 中国水产科学研究院南海水产研究所 | Underwater reef attachment collecting device |
| CN106525481B (en) * | 2016-11-11 | 2018-01-16 | 中国水产科学研究院南海水产研究所 | A kind of underwater reefs attachment matter collection device |
| CN106989954A (en) * | 2017-05-25 | 2017-07-28 | 中国水产科学研究院淡水渔业研究中心 | A kind of sediment collecting device in rice fishing interaction system |
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