CN108426746A - Underwater mud scum measures sampler - Google Patents

Underwater mud scum measures sampler Download PDF

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Publication number
CN108426746A
CN108426746A CN201810619684.1A CN201810619684A CN108426746A CN 108426746 A CN108426746 A CN 108426746A CN 201810619684 A CN201810619684 A CN 201810619684A CN 108426746 A CN108426746 A CN 108426746A
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CN
China
Prior art keywords
mud scum
tube
underwater
water
sampler
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Pending
Application number
CN201810619684.1A
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Chinese (zh)
Inventor
胡宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiu Shengyuan (tianjin) Water Transportation Engineering Technology Co Ltd
Original Assignee
Xiu Shengyuan (tianjin) Water Transportation Engineering Technology Co Ltd
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Application filed by Xiu Shengyuan (tianjin) Water Transportation Engineering Technology Co Ltd filed Critical Xiu Shengyuan (tianjin) Water Transportation Engineering Technology Co Ltd
Priority to CN201810619684.1A priority Critical patent/CN108426746A/en
Publication of CN108426746A publication Critical patent/CN108426746A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/16Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels

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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

The present invention relates to Dredging Fields, and sampler is measured more particularly to a kind of underwater mud scum.Including sampling unit and mud scum measuring unit;The mud scum measuring unit includes based on holder, water pressure gauge and multiple gross pressures by measuring muddy water gross pressure for being arranged at intervals on from bottom to top on the holder vertical direction.The present invention integrates sampling and depth measurement, simple in structure, at low cost, can accurately measure underwater mud scum unit weight gradient distribution and corresponding water depth value.It is applicable not only to various mud scum unit weights interface water-depth measurement (being measured especially suitable for seaworthy water depth), and underwater husbandry dredging effect can be directed to and carry out tracking and monitoring, there is supervision and directive function well to the maintenance dredging condition of construction of harbor approach, basin and river, lake, reservoir.

Description

Underwater mud scum measures sampler
Technical field
The present invention relates to Dredging Fields, and sampler is measured more particularly to a kind of underwater mud scum.
Background technology
Water-depth measurement method is broadly divided into two kinds again, i.e. acoustic measurement and water stone roller measures.In acoustic measurement, high band sound wave The upper interface of mud scum can be measured, and low-frequency range sound wave can penetrate Mud Layer, measure hardcore, can not accurately measure Mud Layer Thickness, the corresponding mud scum thickness of especially certain mud scum unit weight.Water stone roller measures and can only generally measure interface under Mud Layer or refer in particular to The interface of unique mud scum unit weight, since water stone roller measures, actually measure is that water is cut or polish jade with an emery wheel to the rope length between the water surface, due to underwater water The reason of stream, the rope that water is cut or polish jade with an emery wheel cannot keep plumbness, therefore measurement rope length can have very big error.
The method of underwater acquisition mud sample is broadly divided into two kinds, i.e. the sampling of drilling rod formula and lifting rope sampling.Wherein drilling rod formula samples What is mainly acquired is the soil layer mud sample under hard, rather than mud scum, and picking rate is slow, costly, and sampling operation procedure is complicated; Sling type sampling can acquire rapidly mud scum, but the corresponding depth of acquisition mud scum can not be measured accurately.
Therefore above-mentioned all multi-methods are difficult to accomplish accurately to survey underwater mud scum unit weight graded and its corresponding depth Amount.
Invention content
It is an object of the invention to overcome in the prior art, a kind of underwater mud scum measurement sampler is provided.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of underwater mud scum measurement sampler, including sampling unit and mud scum measuring unit;The mud scum measures single Member includes holder, water pressure gauge and is arranged at intervals on from bottom to top multiple for measuring mud on the holder vertical direction The gross pressure meter of water gross pressure.
The sampling unit includes outer tube, is arranged in the outer tube inner tube and for the outer tube to be clamped Clamping piece;
The clamping piece include for lifting rope annulus, be symmetrical set the annulus both sides be provided with card The tabletting of hook described in the link block of slot, the hook for being hinged on the link block end and connection two;The circle Ring passes through the card slot;The hook and the tabletting are hinged;The tabletting is fixedly connected with inner tube connector;
The inner tube includes upper tube and down tube;The upper tube is connected and fixed with the inner tube connector spiral; The down tube is provided with sample introduction of the opening for mud scum;
The outer tube upper end is provided with flange for facilitating fixation of the hook to the outer tube.
The opening is symmetricly set at left and right sides of down tube.
The length of the inner tube is 2 times of the length of the outer tube.
The down tube lower end is provided with hemispherical sampling pipe pedestal.
The outer tube lower end is provided with and the matched platen of sampling pipe pedestal.
It is provided with rubber cushion on the sampling pipe pedestal.
The lateral location in the upper end of the down tube is arranged in the water pressure gauge;Gross pressure meter described in bottom with The lower end of the down tube is concordant, and the gross pressure meter of the top is concordant with the upper end of the down tube.
Compared with prior art, the beneficial effects of the invention are as follows:
1. the application can acquire certain thickness mud scum mud sample, analyzed by the mud sample in later stage, it can be floating with Accurate Determining Mud layer mud sample unit weight graded and corresponding water depth value.
2. the water pressure gauge of the application can accurately measure the water depth value at each position of this measuring appliance, gross pressure meter can measure floating Mud layer mud sample value of bulk density, and derive Mud Layer mud sample unit weight graded.
3. practical sampling analysis value is mutually compared with pressure gauge calculated value, is corrected in the application, it can be ensured that measure essence Degree.
The present invention integrates sampling and depth measurement, simple in structure, at low cost, can accurately measure underwater mud scum unit weight ladder Degree distribution and corresponding water depth value.It is applicable not only to the interface water-depth measurement of various mud scum unit weights (especially suitable for seaworthy water depth Measure), and can be directed to underwater husbandry dredging effect carry out tracking and monitoring, to harbor approach, basin and river, lake, The maintenance dredging condition of construction of reservoir has supervision and directive function well.
Description of the drawings
Fig. 1 is that the underwater mud scum of the present invention measures the overall structure diagram of sampler;
Fig. 2 is that the underwater mud scum of the present invention measures the part-structure schematic diagram of sampler.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings and most The present invention is described in further detail for good embodiment.
Fig. 1-2 shows that a kind of underwater mud scum measures sampler, including sampling unit and mud scum measuring unit;Described is floating Mud measuring unit includes holder 15, water pressure gauge 17 and is arranged at intervals on from bottom to top more on the holder vertical direction 16 based on a gross pressure by measuring muddy water gross pressure.Gross pressure meter in the application uses soil pressure cell, water pressure gauge to use Pore pressure gauge, wherein pore pressure gauge can be used for sounding the depth of the water.The water pressure gauge is arranged in the down tube Upper end lateral location;Gross pressure meter described in bottom is concordant with the lower end of the down tube, the gross pressure meter of the top It is concordant with the upper end of the down tube.
The sampling unit includes outer tube 5, is arranged in the outer tube inner tube 1 and described outer for being clamped The clamping piece of pipe;The clamping piece include for lifting rope annulus 18, be symmetrical set setting in the annulus both sides It is equipped with the link block 14 of card slot 19, is hinged on the hook 9 of the link block end and the pressure of the hook described in connection two Piece 8;The annulus passes through the card slot;The hook is hinged by axis pin 10 with the tabletting;The tabletting It is fixedly connected with inner tube connector 21;
The inner tube includes upper tube and down tube;The upper tube is connected and fixed with the inner tube connector spiral; The down tube is provided with sample introduction of the opening for mud scum;Preferably, the opening is symmetricly set at left and right sides of down tube.It is excellent Choosing, the length of the inner tube is 2 times of the length of the outer tube.
The outer tube upper end is provided with flange 7 for facilitating fixation of the hook to the outer tube.
The down tube lower end is provided with hemispherical sampling pipe pedestal 3.It is provided with rubber cushion on the sampling pipe pedestal 4.The outer tube lower end is provided with and the matched platen of the sampling pipe pedestal 6.
The operation principle of the application is:The present invention is actually subjected to based on sampling unit, around sampling unit according to measurement Several gross pressure meters sought setting water pressure gauge and be spaced apart up and down.Due to water pressure gauge measure be water pressure, lead to It crosses that hydraulic pressure is strong and the correspondence (pressure=unit weight × depth of water) of the depth of water, the accurate depth of water position of this water pressure gauge can be conversed It sets.When sampler keeps perpendicular attitude, because the difference in height that sampling unit itself is arranged by water pressure gauge it is found that can be pushed away The depth of water of calculation understands the water depth value corresponding to each position of sampling unit.
For sampling inner tube, for being connect with clamping piece, down tube is used to sample for setting top tube and down tube, wherein upper tube, In the altitude range of down tube, according to different requirements, several gross pressure meters can be arranged.Gross pressure measurement is the total of the position Pressure, due to known to the depth of water position of gross pressure meter, it is possible to according to the pressure difference meter of the two of different location gross pressure meters Calculate mud scum average volume density between two earth pressure gauges.In this way according to the required precision of real work, different number is arranged Gross pressure meter, accurately can calculate and draw Mud Layer mud scum unit weight graded figure and corresponding water depth value.Meanwhile it will Inner tube is arranged to top tube and down tube, after can making sampling, avoids pressure difference.
Clamping piece is set in the upper end of outer tube, when entering water, the lifting rope on annulus stretches, and makes locked by hooks outer tube, until taking Sample position, sets that there are two opposite almost can be used for sampling through the rectangular aperture of tube body up and down on the tube wall of down tube, samples After, lifting rope is loosened, hook is made to discharge outer tube, then outer tube under the action of self-weight entangles the down tube of inner tube, closes interior The rectangular aperture of pipe to obtain required mud sample, and ensures that mud sample keeps nature, is not disturbed.Sampling pipe pedestal, Rubber cushion and outer tube lower end setting platen can enable outer tube be discharged on pedestal and reduce vibrations.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (8)

1. a kind of underwater mud scum measures sampler, which is characterized in that including sampling unit and mud scum measuring unit;Described is floating Mud measuring unit includes holder, water pressure gauge and the multiple use being arranged at intervals on from bottom to top on the holder vertical direction In the gross pressure meter for measuring muddy water gross pressure.
2. underwater mud scum according to claim 1 measures sampler, which is characterized in that the sampling unit includes outer The inner tube manage, being arranged in the outer tube and the clamping piece for the outer tube to be clamped;
The clamping piece include for lifting rope annulus, be symmetrical set the annulus both sides be provided with card slot The tabletting of hook described in link block, the hook for being hinged on the link block end and connection two;The annulus is worn Cross the card slot;The hook and the tabletting are hinged;The tabletting is fixedly connected with inner tube connector;
The inner tube includes upper tube and down tube;The upper tube is connected and fixed with the inner tube connector spiral;It is described Down tube be provided with opening for mud scum sample introduction;
The outer tube upper end is provided with flange for facilitating fixation of the hook to the outer tube.
3. underwater mud scum according to claim 2 measures sampler, which is characterized in that the opening is symmetricly set on down At left and right sides of pipe.
4. underwater mud scum according to claim 2 measures sampler, which is characterized in that the length of the inner tube is described 2 times of length of outer tube.
5. underwater mud scum according to claim 2 measures sampler, which is characterized in that the down tube lower end is provided with half Spherical sampling pipe pedestal.
6. underwater mud scum according to claim 5 measures sampler, which is characterized in that be arranged on the sampling pipe pedestal There is rubber cushion.
7. underwater mud scum according to claim 5 measures sampler, which is characterized in that the outer tube lower end be provided with The matched platen of sampling pipe pedestal.
8. underwater mud scum according to claim 2 measures sampler, which is characterized in that the water pressure gauge is arranged in institute The lateral location of the upper end for the down tube stated;Gross pressure meter described in bottom is concordant with the lower end of the down tube, the top Gross pressure meter is concordant with the upper end of the down tube.
CN201810619684.1A 2018-06-14 2018-06-14 Underwater mud scum measures sampler Pending CN108426746A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111665086A (en) * 2020-06-02 2020-09-15 山东省环科院环境科技有限公司 Water body sludge monitoring and sampling device and method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592567A (en) * 2008-05-26 2009-12-02 周建军 Liquid multi-layer sampling device
CN101614648A (en) * 2008-06-29 2009-12-30 毕宏峰 High-temperature high-pressure sedimentation tester
CN103233453A (en) * 2013-04-18 2013-08-07 天津大学 In-situ soil exploration device and in-situ soil exploration method
CN103323291A (en) * 2013-06-06 2013-09-25 王志勇 Deepwater area sediment stratified collection and preservation device
CN103364225A (en) * 2013-07-18 2013-10-23 中交第三航务工程勘察设计院有限公司 Silty fluid mud collecting device
US20140366655A1 (en) * 2013-06-13 2014-12-18 Thomas Charles Stevens Suspended Sediment Sampler
CN105258824A (en) * 2015-11-05 2016-01-20 白云 Water and soil pressure monitoring rod for shield tunnel
CN208239146U (en) * 2018-06-14 2018-12-14 秀盛源(天津)水运工程技术有限公司 Underwater mud scum measures sampler

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592567A (en) * 2008-05-26 2009-12-02 周建军 Liquid multi-layer sampling device
CN101614648A (en) * 2008-06-29 2009-12-30 毕宏峰 High-temperature high-pressure sedimentation tester
CN103233453A (en) * 2013-04-18 2013-08-07 天津大学 In-situ soil exploration device and in-situ soil exploration method
CN103323291A (en) * 2013-06-06 2013-09-25 王志勇 Deepwater area sediment stratified collection and preservation device
US20140366655A1 (en) * 2013-06-13 2014-12-18 Thomas Charles Stevens Suspended Sediment Sampler
CN103364225A (en) * 2013-07-18 2013-10-23 中交第三航务工程勘察设计院有限公司 Silty fluid mud collecting device
CN105258824A (en) * 2015-11-05 2016-01-20 白云 Water and soil pressure monitoring rod for shield tunnel
CN208239146U (en) * 2018-06-14 2018-12-14 秀盛源(天津)水运工程技术有限公司 Underwater mud scum measures sampler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111665086A (en) * 2020-06-02 2020-09-15 山东省环科院环境科技有限公司 Water body sludge monitoring and sampling device and method

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