CN102012326B - Disturbance-free water bottom sludge sampler - Google Patents
Disturbance-free water bottom sludge sampler Download PDFInfo
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- CN102012326B CN102012326B CN201010506777A CN201010506777A CN102012326B CN 102012326 B CN102012326 B CN 102012326B CN 201010506777 A CN201010506777 A CN 201010506777A CN 201010506777 A CN201010506777 A CN 201010506777A CN 102012326 B CN102012326 B CN 102012326B
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- sampling
- bucket
- storage
- thief
- guide rod
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Abstract
The invention discloses a disturbance-free water bottom sludge sampler, which comprises a sampling barrel and a collecting closed shovel. A middle position of a swinging rod of the collecting closed shovel is hinged on the sampling barrel; a lower edge of the sampling barrel is arc-shaped; and a lower edge of the collecting closed shovel is arc-shaped and can be closed with the bottom of the sampling barrel. In the disturbance-free water bottom sludge sampler, after sludge is filled in the sampling barrel, the collecting closed shovel swings to the bottom of the sampling barrel to be closed, the sludge inside the sampling barrel is not influenced by water flow, disturbance is not generated in a water interface and between layers of sediments, and the quality of the collected samples can be guaranteed. In addition, due to vacuum air discharge on the upper part of the sampler, the disturbance-free water bottom sludge sampler generates water pressure to make a piston move upwards so as to drive the collecting closed shovel to swing, and an electric driving system is not needed in the collecting process, so that the sampler is simple in structure and low in cost. The disturbance-free water bottom sludge sampler also has the advantage that the sampler is small in volume, light in weight, convenient to carry, convenient to operate and the like.
Description
Technical field
The present invention relates to a kind of sampling thief, is a kind of no disturbance sludge underwater sampling thief specifically.
Background technology
Benthal deposit is the important sample of studying under water with the air environmental pollution Changing Pattern; The information that includes a large amount of natural environment and climates; From intactly gathering up sediment under water; Carry out the analysis of aspects such as physics, chemistry and biology, just need not produce disturbance between water termination and sedimental layer and the layer.In the process of sampling, influence owing to flowed by water body under water, through regular meeting the bed mud disturbance to take place, sample breaks away from or runs off, and can't keep situation such as bed mud structure original state, thereby can't carry out quantitatively, the sampling of depthkeeping degree, thereby influences the accuracy of research work.
Pedotheque water percentage under water-bed is high, and is flow-like, and the sampling difficulty is big, and existing soil sampler is not suitable for underwater sampling.Existing sampling thief has two types of freshwater mussel formula (also claiming grab type) and columns.Freshwater mussel formula sampling thief can destroy water body surface deposit and sequence structure.And columnar sampler is the Chinese utility model patent of CN00234831.2 like the patent No., and the via area on the sampling head is because structural reason can not equate the disturbance that still can produce water termination thus with the area of sampling pipe.
Summary of the invention
To the problem that prior art exists, the object of the present invention is to provide the no disturbance sludge underwater sampling thief that does not produce disturbance between a kind of water termination and sedimental layer and the layer.
The present invention realizes through following technical scheme:
A kind of no disturbance sludge underwater sampling thief; Said sampling thief comprises the sampling bucket and the closed shovel of collection of bottom opening; The said fork medium position of gathering closed shovel is hinged on the said sampling bucket; The lower edge of said sampling bucket is curved, gather the edge of lower end of closed shovel curved and can with a sampling bucket bottom closure.
Said sampling thief also comprises the vibrations assistor, and said vibrations assistor is fixed on said sampling bucket upper surface.
The swing link end part of gathering closed shovel is hinged with the adjustment connecting rod, and the adjustment connecting rod is connected with the propulsion system that drive closed shovel action.Described propulsion system are pressed bucket and storage for storage and are pressed the bucket air release, and the other end of said closed shovel adjustment connecting rod is hinged on the piston, and said piston is installed on storage and presses in the bucket; Bucket and said sampling bucket relative fixed are pressed in storage.Also comprise frame; Said sampling bucket presses bucket to be slidingly mounted on the described frame through vertical sliding guide mechanism with storage; Said air release is a retaining valve, is equipped with and backs down the push rod that the retaining valve exhaust is used being positioned under the retaining valve certain altitude on the said frame.Said guiding mechanism comprises sampling bucket guide rod, sampling bucket guide rod fixed head and equipment compartment substrate; Said sampling bucket guide rod is at least two; The lower end of sampling bucket guide rod is connected with the sampling bucket, and sampling bucket guide rod fixed head is fixed on the upper end of sampling bucket guide rod, and said storage presses the bucket upper end to be fixed on the described sampling bucket guide rod fixed head; Said equipment compartment substrate is fixed on the top of frame, and the equipment compartment substrate is provided with the circular hole that supplies storage to press bucket to pass.
The invention has the beneficial effects as follows:
The present invention does not have disturbance sludge underwater sampling thief, comprises sampling bucket and gathers closed shovel, and the lower edge of sampling bucket is curved, gather the edge of lower end of closed shovel curved and can with a sampling bucket bottom closure.The sampling bucket inserts in the mud; Mud is packed into after the sampling bucket, gathers closed shovel and swings to a sampling bucket bottom closure, and the inner mud of sampling bucket is sealed not flowed by water body to influence; Do not produce disturbance between water termination and sedimental layer and the layer, can guarantee the quality of collected specimens.In addition, the present invention does not have disturbance sludge underwater sampling thief and produces hydraulic pressure after through sampling thief top vacuum deflation and force piston up to move to drive and gather closed shovel swing, and gatherer process does not need power-driven system, makes sampling thief simple in structure, and cost is low.The present invention does not have disturbance sludge underwater sampling thief, and also to have a volume little, in light weight, advantage such as easy to carry and easy to operate.
Description of drawings
Fig. 1 does not have the front view of disturbance sludge underwater sampling thief for the present invention;
Fig. 2 does not have the left view of disturbance sludge underwater sampling thief for the present invention;
Fig. 3 does not have the vertical view of disturbance sludge underwater sampling thief for the present invention;
Fig. 4 a does not have the synoptic diagram that disturbance sludge underwater sampling thief is in the insertion position for the present invention;
Fig. 4 b does not have the synoptic diagram that disturbance sludge underwater sampling thief is in the shovel closure state for the present invention;
Among the figure: the 1-bucket of sampling, 2-gathers closed shovel, the closed shovel adjustment of 3-connecting rod, bucket is pressed in the 4-storage, and a bucket air release is pressed in the 5-storage; 6-sampling bucket guide rod, 7-sampling bucket guide rod fixed head, 8-equipment compartment substrate, 9-frame; The 10-underwater propeller, 11-shakes assistor, 12-underwater camera device, 13-set collar.
Embodiment
Through specific embodiment the present invention is described in further detail below.
Shown in Figure of description 1; A kind of no disturbance sludge underwater sampling thief of the present invention comprises the sampling bucket 1 of bottom opening and gathers closed shovel 2 that the fork medium position of gathering closure shovel 2 is hinged on the sampling bucket 1; The lower edge of sampling bucket 1 is curved; Gather the edge of lower end of closed shovel 2 curved and can with sampling bucket 1 bottom closure, barrel bottom opening of will sample seals up, and sees Fig. 4 a and Fig. 4 b.
Shown in Figure of description 1, the swing link end part of gathering closed shovel 2 is hinged with adjustment connecting rod 3, and adjustment connecting rod 3 is connected with the propulsion system that drive closed shovel action.Propulsion system can be any devices that can drive closed shovel rotation under water such as hydraulic cylinder.Present embodiment medium power device is pressed bucket 4 and storage for storage and is pressed bucket air release 5, and it is two that bucket 4 is pressed in storage, and the other end of closed shovel adjustment connecting rod 2 is hinged on the piston, and piston is installed on storage and presses in the bucket, and bucket 4 and sampling bucket 1 relative fixed are pressed in storage.Under water through opening air release 5, make storage press in the bucket the original air that stores to discharge in the pressure effect lower piston motion of water, piston motion simultaneously drives closed shovel through the adjustment connecting rod and moves.
Air release 5 can be electrically-controlled valve, or hand valve, for example is connected to storage through flexible pipe and presses on the bucket, can open the control exhaust aboard ship.More satisfactory is that air release 5 is a retaining valve; Valve cock for example; Also comprise frame 9; Sampling bucket 1 and storage press bucket 4 to be slidingly mounted on the frame 9 through vertical sliding guide mechanism, are equipped with and back down the push rod (not shown) that the retaining valve exhaust is used being positioned under the retaining valve certain altitude on the frame 9.Said guiding mechanism comprises sampling bucket guide rod 6, sampling bucket guide rod fixed head 7 and equipment compartment substrate 8; Sampling bucket guide rod 6 is two, and the lower end of sampling bucket guide rod 6 is connected with sampling bucket 1, and sampling bucket guide rod fixed head 7 is fixed on the upper end of sampling bucket guide rod 6; Storage presses bucket 4 upper ends to be fixed on the sampling bucket guide rod fixed head 7; Equipment compartment substrate 8 is fixed on the top of frame 9, sees Figure of description 3, and equipment compartment substrate 8 is provided with the circular hole that supplies storage to press bucket 4 to pass.This mechanism utilizes push rod after the decline of sampling bucket puts in place, can back down retaining valve, realizes the automatic vent that need not to control.
Sampling thief also comprises the vibrations assistor 11 that is fixed on sampling bucket 1 upper surface; When sludge underwater is softer, needn't open vibrations assistor 11; When sludge underwater is hard, use 11 reinforcings of vibrations assistor, sampling bucket 1 is inserted in the mud, gather mud and can play time saving and energy saving effect.Secondly, sampling thief also comprises the underwater camera device 12 that is installed on the equipment compartment substrate 8 and is installed in the underwater propeller 10 on the frame 9, can make and gather accurate and effective more according to the optimal acquisition of situation adjustment under water position.In addition, sampling thief also comprises the set collar 13 that is arranged on sampling bucket guide rod 6 tops, and the number of set collar is two, and set collar is used for and extraneous being connected, and realizes transferring and being lifted out the water surface downwards, sees Figure of description Fig. 2.
The groundwork process that the present invention does not have disturbance sludge underwater sampling thief is following: (1) is slowly put into water through the stationary installation on the ship with sampling thief, and during near water bottom location, operating personnel select collection position through underwater camera device and underwater propeller; (2) sampling thief steadily drops on the bottom, and the sampling bucket is lowered in the mud in the effect of gravity, sees Figure of description Fig. 4 a; (3) the sampling bucket guide rod that is connected with sampling bucket drive sampling bucket guide rod fixed head and on storage press bucket and retaining valve to move down; Be arranged on the push rod that is positioned on the frame under the retaining valve and back down retaining valve; Storage is pressed bucket to open exhaust and is poured water, and makes storage press the piston in the bucket up to move, and up moves thereby drive closed shovel adjustment connecting rod; Drive to gather closed shovel to lower swing until with a sampling bucket bottom closure, see Figure of description Fig. 4 b; (4) after collection is accomplished, slowly mention collector, carry to ship and collect protection according to testing requirements.
The present invention does not have disturbance sludge underwater sampling thief, has advantages such as less, the in light weight and convenient transportation of body.If the employing overall dimensions are 460 * 310 * 429mm, overall weight can be used in the waters of depth of water 2-25m less than 20kg, and the degree of depth that can gather mud is 100mm, and can gather sludge quantity is 2-3L at every turn.
Claims (9)
1. no disturbance sludge underwater sampling thief; It is characterized in that: said sampling thief comprises the sampling bucket and the closed shovel of collection of bottom opening; The said fork medium position of gathering closed shovel is hinged on the said sampling bucket; The lower edge of said sampling bucket is curved, gather the edge of lower end of closed shovel curved and can with a sampling bucket bottom closure; The said swing link end part of gathering closed shovel is hinged with the adjustment connecting rod, and the adjustment connecting rod is connected with the propulsion system that drive closed shovel action.
2. sampling thief as claimed in claim 1 is characterized in that: also comprise the vibrations assistor, said vibrations assistor is fixed on said sampling bucket upper surface.
3. according to claim 1 or claim 2 sampling thief, it is characterized in that: described propulsion system are pressed bucket and storage for storage and are pressed a bucket air release, and the other end of said adjustment connecting rod is hinged on the piston, and said piston is installed on storage and presses in the bucket; Bucket and said sampling bucket relative fixed are pressed in storage.
4. sampling thief as claimed in claim 3; It is characterized in that: also comprise frame; Said sampling bucket presses bucket to be slidingly mounted on the described frame through vertical sliding guide mechanism with storage; Said air release is a retaining valve, backs down the push rod that the retaining valve exhaust is used being positioned on the said frame to be equipped with under the retaining valve.
5. sampling thief as claimed in claim 4; It is characterized in that: said guiding mechanism comprises sampling bucket guide rod, sampling bucket guide rod fixed head and equipment compartment substrate; Said sampling bucket guide rod is at least two; The lower end of sampling bucket guide rod is connected with the sampling bucket, and sampling bucket guide rod fixed head is fixed on the upper end of sampling bucket guide rod, and said storage presses the bucket upper end to be fixed on the described sampling bucket guide rod fixed head; Said equipment compartment substrate is fixed on the top of frame, and the equipment compartment substrate is provided with the circular hole that supplies storage to press bucket to pass.
6. sampling thief as claimed in claim 5 is characterized in that: said sampling thief also comprises the set collar that is arranged on sampling bucket guide rod top.
7. sampling thief as claimed in claim 3 is characterized in that: it is two that bucket is pressed in said storage.
8. according to claim 1 or claim 2 sampling thief, it is characterized in that: said sampling thief also comprises underwater propeller.
9. according to claim 1 or claim 2 sampling thief, it is characterized in that: said sampling thief also comprises the underwater camera device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010506777A CN102012326B (en) | 2010-10-14 | 2010-10-14 | Disturbance-free water bottom sludge sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010506777A CN102012326B (en) | 2010-10-14 | 2010-10-14 | Disturbance-free water bottom sludge sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102012326A CN102012326A (en) | 2011-04-13 |
| CN102012326B true CN102012326B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010506777A Expired - Fee Related CN102012326B (en) | 2010-10-14 | 2010-10-14 | Disturbance-free water bottom sludge sampler |
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| Country | Link |
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| CN (1) | CN102012326B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964849A (en) * | 2015-04-14 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | Novel sediment sampler |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969402B (en) * | 2014-04-28 | 2015-09-23 | 中国科学院海洋研究所 | Flux and sediment situ sampling device at the bottom of a kind of Multifunction fishing |
| CN104458330B (en) * | 2014-12-17 | 2017-07-07 | 中国科学院重庆绿色智能技术研究院 | Underwater sediment(s) sampling robot and its method for sampling |
| CN105823655B (en) * | 2016-04-28 | 2018-06-05 | 中国海洋大学 | A kind of cable-free type deep water water sampling device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5349875A (en) * | 1992-09-02 | 1994-09-27 | Norton Company | Universal sampling device for high and low viscosity substances |
| CN1900682A (en) * | 2006-07-21 | 2007-01-24 | 中国海洋大学 | Mechanical property in situ detector for deep sea surface layer deposit sediment |
| CN200975955Y (en) * | 2006-11-29 | 2007-11-14 | 广东省生态环境与土壤研究所 | Water-bed soil sampling device |
| CN201199202Y (en) * | 2008-04-28 | 2009-02-25 | 山东建筑大学 | Non-perturbation pole-shaped sediment sampler |
-
2010
- 2010-10-14 CN CN201010506777A patent/CN102012326B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5349875A (en) * | 1992-09-02 | 1994-09-27 | Norton Company | Universal sampling device for high and low viscosity substances |
| CN1900682A (en) * | 2006-07-21 | 2007-01-24 | 中国海洋大学 | Mechanical property in situ detector for deep sea surface layer deposit sediment |
| CN200975955Y (en) * | 2006-11-29 | 2007-11-14 | 广东省生态环境与土壤研究所 | Water-bed soil sampling device |
| CN201199202Y (en) * | 2008-04-28 | 2009-02-25 | 山东建筑大学 | Non-perturbation pole-shaped sediment sampler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964849A (en) * | 2015-04-14 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | Novel sediment sampler |
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| Publication number | Publication date |
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| CN102012326A (en) | 2011-04-13 |
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Granted publication date: 20120905 Termination date: 20131014 |