CN110361226A - A kind of multipoint mode sink bed mud synchronous acquisition device and method - Google Patents
A kind of multipoint mode sink bed mud synchronous acquisition device and method Download PDFInfo
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- CN110361226A CN110361226A CN201910592031.3A CN201910592031A CN110361226A CN 110361226 A CN110361226 A CN 110361226A CN 201910592031 A CN201910592031 A CN 201910592031A CN 110361226 A CN110361226 A CN 110361226A
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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
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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
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
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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
- G01N2001/1031—Sampling from special places
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- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a kind of multipoint mode sink bed mud synchronous acquisition device and methods, wherein the device includes sampling apparatus, lifting device and collection device, sampling apparatus include multiple groups can change size and number take mud pipe and pull rod, described that mud pipe is taken to be fixed on lifter plate by snap component, pull rod is connect to realize that push-and-pull mast achievees the purpose that acquire mud sample with the first support plate by connecting rod；Lifting device includes stud, turntable and handle, drives stud rotation to be reduced lifter plate by rotational handle, the bottom end of mud pipe will be taken to drop in bed mud by stud；Collection device includes centrifuge tube and rack for test tube, and centrifuge tube collects bed mud sample and is transferred to that laboratory treatment is to be measured, to conveniently obtain absorption or release rule of the pollutant in sink bed mud.The present invention has the characteristics of easy to operate, flexibly changing sampled point, number of samples and sampling volume, provides new tool and method for pollutants in sediments research.
Description
Technical field
The invention belongs to river deposit sampling technique fields, and in particular to a kind of multipoint mode sink bed mud synchronous acquisition dress
It sets and method.
Background technique
Deposit is important " deposition library " of pollutant, is " remittances " and water pollution and exposed endogenous of biology, simultaneously
Deposit is the important place of metabolism and energy exchange in water body.As the key node of the defeated shifting of river network pollutant,
The unique hydrodynamic characterisitic in river confluence makes pollutant that sedimentation absorption easily occur, and confluence bed mud becomes enriching pollutants
Important area.Water flow wash away disturbance under, the pollutant for being enriched in bed mud discharges into overlying water, causes to water body secondary
Pollution is very important important link during river pollution object Transport And Transformation.
In recent years, China pays much attention to river endogenous pollution problem, concern of many scholars to sediment contamination release
Multi-focus nutritive salt, aerobic pollutant, it is emerging in terms of.These pollutions can cause water eutrophication, black
The quality problems such as smelly water body threaten the water security pattern of River.Therefore, the internal loading of pollutant in deposit is explored
Mechanism has become research hotspot.
Fluviolacustrine deposit object is analyzed, then need to acquire bed mud sample.And riverbed sludge natural for field at present
Acquisition have a large amount of tool and methods, such as grab bucket-type dredger, profile lead etc..But indoor water tank model is according to mould
The type theory of similarity is established, and size is much smaller than true river.Tool for field sampling is not suitable for general Small and Medium Sized mould
Type, sink simulation test lack effective sampling instrument and method.In addition, common bottom sampler can only single-point acquiring, for adopting
Then process repeatability is high compared with more situation is concentrated for sampling point.Therefore, how to provide and a kind of with multiple spot while acquiring taking for function
Sample device becomes those skilled in the art's technical problem urgently to be resolved to improve sampling efficiency.
In conclusion existing sediment collecting device is primarily present following deficiency:
(1) it is only applicable to the substrate sludge sampling work in the true river in field, size is not suitable for Laboratory tank simulation test
Scale；
(2) multiple spot can not be carried out while being acquired, many and diverse and there are the time differences so that sampling operation repeats；
(3) more complex, higher cost is operated.
Summary of the invention
Goal of the invention: it is an object of the present invention to provide a kind of multipoint mode sink bed mud synchronous acquisition device and methods, solve
Common bottom sampler can only single-point acquiring, for sampled point compared with then process repeatability high problem in the case of concentrating more.This hair
It is bright easy to operate, have the function of while acquiring multiple point bed mud samples, and undisturbed sediment can be kept to the full extent
The integrality of sample migrates to be conducive to improve the operability and efficiency of sampling operation for indoor water tank pollutants in sediments
Analog study provides technical support.
Technical solution: a kind of multipoint mode sink bed mud synchronous acquisition device of the present invention, including sampling apparatus and lifting device,
The sampling apparatus includes taking mud pipe, plunger, mast, top cover, pull rod, connecting rod and the first support plate, described to take mud Guan Shuzhi
It is provided with multiple groups, multiple groups take in the inner cavity of mud pipe and are inserted with mast, and the bottom end of the mast is fixedly connected with plunger, mast
Top is fixedly connected with top cover, and first support plate is horizontally placed on the top that multiple groups take mud pipe, the two sides of the first support plate
Be fixedly connected by connecting rod with pull rod, the first support plate is equipped with the first through slot, mast described in multiple groups pass through the first through slot and
The top cover of mast is connected in the first through slot；
The lifting device includes cross bar, lifter plate, stud, bearing block, the second support plate, and the cross bar is horizontally placed on
The top of sampling apparatus, the both ends of cross bar are vertically inserted with stud, and the bottom end of the stud passes through bearing and bearing block turns
Dynamic connection, the bottom end of bearing block described in two groups are fixedly connected with the second support plate, and second support plate is equipped with the second through slot,
Horizontally disposed lifter plate is threaded between the stud, the lifter plate is equipped with third through slot, takes mud described in multiple groups
The bottom end of pipe is respectively perpendicular across third through slot and the second through slot and stretches out outside the second through slot, and multiple groups take the top of mud pipe to pass through card
Buckle assembly is fixedly connected with lifter plate.
Further, collection device is additionally provided with below the lifting device, the collection device includes centrifuge tube and examination
Pipe support, the centrifuge tube are installed in rack for test tube, and the rack for test tube is located at the lower section that multiple groups take mud pipe.Centrifugation in collection device
Manage and take mud pipe to correspond, it is to be measured that centrifuge tube collection bed mud sample is transferred to laboratory treatment, to conveniently obtain pollutant
Absorption or release rule in sink bed mud.
Further, the top of the stud is fixedly connected with center lantern ring, and center lantern ring passes through three circular arrays
The radial bars of distribution are fixedly connected with turntable, are welded with handle on the turntable.Rotational handle drives stud rotation to make lifter plate
It is reduced, the bottom end of mud pipe will be taken to drop in bed mud by stud.
Further, the snap component includes snap tab and balata belt, and the snap tab is symmetrically arranged with two groups, and two
It is fixedly connected between the group snap tab by balata belt.
Further, the center of the balata belt is equipped with through-hole, described that mud pipe is taken to pass through through-hole and take mud pipe
Top end flange is connected to the top surface of balata belt.
Further, the internal diameter of the through-hole is gradually reduced from top to bottom.The snap tab of snap component, balata belt and logical
Pore structure design, so that mud pipe is taken extremely to be firmly fixed on lifter plate.
Further, the diameter of the top cover is greater than the width of the first through slot, and the top end flange diameter for taking mud pipe is big
In the internal diameter of through-hole.
Further, the lifter plate is equipped with length scales, and described take indicates scale on mud pipe.Length scales are convenient for shifting
Dynamic to take mud pipe and record sampling location, scale can also carry out the sampling operation of different depth convenient for determining acquisition mud sample depth.
The present invention also provides a kind of multipoint mode sink bed mud synchronous collection methods, include the following steps:
(1) sampling number is determined first, and selection is appropriate number of to take mud pipe, and mud pipe will be taken to be fixed on liter by snap component
On the sampling location for dropping plate setting；
(2) determine that sampling cross section place makes the sampling apparatus and lifting in acquisition device by cross bar frame in sink side wall
Device is placed in sink for use；
(3) rotational handle makes to take mud tube bottom end to drop in bed mud by stud in sampling apparatus；
(4) raising rod drives mast and plunger to move up, to acquiring bed mud to taking in mud pipe；
(5) sampling apparatus and lifting device in acquisition device are taken out, collection device is placed in the lower section of lifting device,
Centrifuge tube in collection device corresponds with mud pipe is taken, then drives mast and plunger to move down release bottom by pushing pull rod
Mud shifts to be measured so that bed mud is collected in centrifuge tube.
The utility model has the advantages that compared with prior art, the invention has the following advantages that
(1) a kind of multipoint mode sink bed mud synchronous acquisition device is constructed, the office of existing sediment collecting device has been expanded
Sex-limited and function；
(2) it realizes that multiple spot acquires the function of deposit simultaneously, has saved the sampling time, reduced sampling error；
(3) lifting device in acquisition device uses spiral lifting principle, rises or falls convenient for sampling apparatus, and operates
It is convenient to stablize；
(4) take mud pipe that can need sets itself number and size according to experiment, so that sampling operation more freedom and flexibility.
The configuration of the present invention is simple, easy to operate, low in cost, sampling has that practicability is high, accuracy is excellent, generalization is strong
Feature.Voluntarily can flexibly change sampled point, number of samples and sampling volume, acquired sample according to demand can keep undisturbed sediment
Integrality.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is that top cover is connected to the top view in the first through slot；
Fig. 4 is the B-B direction view of Fig. 3；
Fig. 5 is lifting device structure schematic diagram；
Fig. 6 is turntable structure schematic diagram；
Fig. 7 is the top view for taking mud pipe to pass through the second support plate；
Fig. 8 is collection device structural schematic diagram；
Fig. 9 is snap component structural schematic diagram；
Figure 10 is present invention work front and back state diagram.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples:
As shown in Figures 1 to 4, a kind of multipoint mode sink bed mud synchronous acquisition device of the present invention, including sampling apparatus 1 and liter
Falling unit 2, sampling apparatus 1 include taking mud pipe 101, plunger 102, mast 103, top cover 104, pull rod 105, connecting rod 106 and the
One support plate 107 takes the specific number of mud pipe 101 and size that can need sets itself according to experiment, takes mud in the present embodiment
Pipe 101 is that diameter is 2cm, is highly 6cm plastic round tube, and take mud pipe 101 to be vertically arranged with eight, eight take the interior of mud pipe 101
Mast 103 is inserted in chamber, the bottom end of mast 103 is fixedly connected with plunger 102, and plunger 102 is the moderate rubber of frictional force
Plug, the diameter of plunger 102 matches with the internal diameter of mud pipe 101 is taken, and the top of mast 103 is fixedly connected with top cover 104, and first
Fagging 107 is horizontally placed on eight tops for taking mud pipe 101, and the two sides of the first support plate 107 pass through connecting rod 106 and pull rod
105 are fixedly connected, and the first support plate 107 is equipped with the first through slot 108, and eight masts 103 pass through the first through slot 108 and mast
103 top cover 104 is connected in the first through slot 108, and the diameter of top cover 104 is greater than the width of the first through slot 108；Pull rod 105 is logical
It crosses connecting rod 106 to connect with the first support plate 107, top cover 104, mast 103 and plunger can be driven by raising rod 105
102 move up, to acquiring bed mud to taking in mud pipe 101；
As shown in Figures 5 to 7, lifting device 2 includes cross bar 201, lifter plate 202, stud 203, bearing block 204, second
Support plate 205, cross bar 201 are horizontally placed on the top of sampling apparatus 1, and the both ends of cross bar 201 are vertically inserted with stud 203,
Since stud 203 is plugged in the both ends jack of cross bar 201, the rotation of stud 203 not will drive the lifting of cross bar 201,
The top of stud 203 is fixedly connected with center lantern ring 206, and center lantern ring 206 passes through the radial bars that three circular arrays are distributed
207 are fixedly connected with turntable 208, and handle 209 is welded on turntable 208, and the bottom end of stud 203 passes through bearing and bearing block
204 rotation connections, the bottom end of two groups of bearing blocks 204 is fixedly connected with the second support plate 205, and the second support plate 205 is equipped with the
Two through slots 210 are threaded with horizontally disposed lifter plate 202 between stud 203, and the both ends of lifter plate 202 are equipped with and stud
The compatible threaded hole of 203 screw thread, therefore the rotation of stud 203 will drive the lifting of lifter plate 202；
Lifter plate 202 is equipped with length scales 212, takes and indicates scale 109 on mud pipe 101, length scales 212 are easy to remove
Mud pipe 101 and record sampling location are taken, scale 109 can also carry out the sample man of different depth convenient for determining acquisition mud sample depth
Make；Lifter plate 202 is equipped with third through slot 211, and lifter plate 202 is arranged in parallel with the second support plate 205, and eight take mud pipe 101
Bottom end be respectively perpendicular across third through slot 211 and the second through slot 210 and stretch out the second through slot 210 outside, eight take mud pipe 101
Top is fixedly connected by snap component 4 with lifter plate 202；Turntable 208 and stud 203 is driven to rotate by rotational handle 209
It is reduced lifter plate 202, the bottom end for taking mud pipe 101 is dropped in bed mud by stud 203；Lifting device 2 uses spiral shell
Rotation lifting principle so that taking the lifting of mud pipe 101 stable and easy to operate, while taking mud pipe 101 logical in the third of lifter plate 202
Slot 211 is mobile, takes mud pipe 101 according to design sampled point movement, and be fixed on lifter plate 202 and carried out accurately with snap component 4
Positioning sampling, so that sampling operation more freedom and flexibility；
As shown in figure 8, the lower section of lifting device 2 is additionally provided with collection device 3, collection device 3 includes centrifuge tube 301 and test tube
Frame 302, centrifuge tube 301 are installed in rack for test tube 302, and rack for test tube 302 is located at eight lower sections for taking mud pipe 101, in collection device 3
Centrifuge tube 301 and take mud pipe 101 to correspond, centrifuge tube 301 collects bed mud sample, and to be transferred to laboratory treatment to be measured, thus
Conveniently obtain absorption or release rule of the pollutant in sink bed mud；
As shown in figure 9, snap component 4 includes snap tab 401 and balata belt 402, snap tab 401 is symmetrically arranged with two
Group is fixedly connected between two groups of snap tabs 401 by balata belt 402, and the center of balata belt 402 is equipped with through-hole 403,
Take mud pipe 101 to pass through through-hole 403 and the top surface that takes the top end flange of mud pipe 101 to be connected to balata belt 402, through-hole 403 it is interior
Diameter is gradually reduced from top to bottom, and the top end flange diameter of mud pipe 101 is taken to be greater than the internal diameter of through-hole 403；The snap tab of snap component 4
401, balata belt 402 and the design of 403 structure of through-hole, so that taking 1,010 points of mud pipe to be firmly fixed on lifter plate 202, take
The laterally longitudinal direction of mud pipe 101 is securely motionless.
As shown in Figure 10, the present invention also provides a kind of multipoint mode sink bed mud synchronous collection method, include the following steps:
(1) sampling number determining first, selection suitable quantity and size take mud pipe 101, and mud pipe 101 will be taken to pass through buckle
Component 4 is fixed on the sampling location of the setting of lifter plate 202；
(2) determine that sampling cross section place makes 1 He of sampling apparatus in acquisition device by 201 frame of cross bar in sink side wall
Lifting device 2 is placed in sink for use；
(3) rotational handle 209 makes to take 101 bottom end of mud pipe to drop in bed mud by stud 203 in sampling apparatus 1；
(4) raising rod 105 drives mast 103 and plunger 102 to move up, to acquiring bed mud to taking mud pipe 101
In；
(5) sampling apparatus 1 and lifting device 2 in acquisition device are taken out, since the viscosity of bed mud is larger, in the short time simultaneously
It will not be fallen from taking in mud pipe 101, collection device 3 is placed in the lower section of lifting device 2, the centrifuge tube 301 in collection device 3
It is corresponded with mud pipe 101 is taken, then drives mast 103 and plunger 102 to move down release bed mud by pushing pull rod 105, from
And bed mud is collected in centrifuge tube 301, it shifts to be measured.
State before concrete operations of the present invention, can be quickly and effectively as shown, after using above-mentioned acquisition device and method
Bed mud sample is acquired, and the present invention is low in cost, sampling has the characteristics that practicability is high, accuracy is excellent, generalization is strong.It can basis
Demand self-setting sampling location and sampling volume, acquired sample can keep the integrality of undisturbed sediment, heavy for flume test
Product object sampling provides technical support.
Claims (9)
1. a kind of multipoint mode sink bed mud synchronous acquisition device, including sampling apparatus and lifting device, it is characterised in that:
The sampling apparatus includes taking mud pipe, plunger, mast, top cover, pull rod, connecting rod and the first support plate, described to take mud pipe
It is vertically arranged with multiple groups, multiple groups take in the inner cavity of mud pipe and are inserted with mast, and the bottom end of the mast is fixedly connected with plunger, column
The top of bar is fixedly connected with top cover, and first support plate is horizontally placed on the top that multiple groups take mud pipe, the first support plate
Two sides are fixedly connected by connecting rod with pull rod, and the first support plate is equipped with the first through slot, and it is logical that mast described in multiple groups passes through first
The top cover of slot and mast is connected in the first through slot；
The lifting device includes cross bar, lifter plate, stud, bearing block, the second support plate, and the cross bar is horizontally placed on sampling
The top of device, the both ends of cross bar are vertically inserted with stud, and the bottom end of the stud passes through bearing and bearing block rotation connects
It connects, the bottom end of bearing block described in two groups is fixedly connected with the second support plate, and second support plate is equipped with the second through slot, described
Horizontally disposed lifter plate is threaded between stud, the lifter plate is equipped with third through slot, takes mud pipe described in multiple groups
Bottom end is respectively perpendicular across third through slot and the second through slot and stretches out outside the second through slot, and multiple groups take the top of mud pipe to pass through buckle group
Part is fixedly connected with lifter plate.
2. a kind of multipoint mode sink bed mud synchronous acquisition device according to claim 1, it is characterised in that: the lifting dress
The lower section set is additionally provided with collection device, and the collection device includes centrifuge tube and rack for test tube, and the centrifuge tube is installed on rack for test tube
Interior, the rack for test tube is located at the lower section that multiple groups take mud pipe.
3. a kind of multipoint mode sink bed mud synchronous acquisition device according to claim 1, it is characterised in that: the stud
Top is fixedly connected with center lantern ring, and center lantern ring is fixedly connected by the radial bars that three circular arrays are distributed with turntable,
Handle is welded on the turntable.
4. a kind of multipoint mode sink bed mud synchronous acquisition device according to claim 1, it is characterised in that: the buckle group
Part includes snap tab and balata belt, and the snap tab is symmetrically arranged with two groups, passes through rubber skin between snap tab described in two groups
Band is fixedly connected.
5. a kind of multipoint mode sink bed mud synchronous acquisition device according to claim 4, it is characterised in that: the rubber skin
The center of band is equipped with through-hole, the top for taking mud pipe to pass through through-hole and the top end flange of mud pipe is taken to be connected to balata belt
Face.
6. a kind of multipoint mode sink bed mud synchronous acquisition device according to claim 5, it is characterised in that: the through-hole
Internal diameter is gradually reduced from top to bottom.
7. a kind of multipoint mode sink bed mud synchronous acquisition device according to claim 5, it is characterised in that: the top cover
Diameter is greater than the width of the first through slot, and the top end flange diameter for taking mud pipe is greater than the internal diameter of through-hole.
8. a kind of multipoint mode sink bed mud synchronous acquisition device according to claim 1, it is characterised in that: the lifter plate
Length scales are equipped with, described take indicates scale on mud pipe.
9. a kind of multipoint mode sink bed mud synchronous collection method, which comprises the steps of:
(1) sampling number is determined first, and selection is appropriate number of to take mud pipe, and mud pipe will be taken to be fixed on lifter plate by snap component
On the sampling location of setting；
(2) determine that sampling cross section place makes the sampling apparatus and lifting device in acquisition device by cross bar frame in sink side wall
It is placed in sink stand-by；
(3) rotational handle makes to take mud tube bottom end to drop in bed mud by stud in sampling apparatus；
(4) raising rod drives mast and plunger to move up, to acquiring bed mud to taking in mud pipe；
(5) sampling apparatus and lifting device in acquisition device are taken out, collection device is placed in the lower section of lifting device, is collected
Centrifuge tube in device is corresponded with mud pipe is taken, then drives mast and plunger to move down release bed mud by pushing pull rod,
To which bed mud to be collected in centrifuge tube, shift to be measured.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592031.3A CN110361226B (en) | 2019-07-02 | 2019-07-02 | Multi-point type sink bottom mud synchronous collecting device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592031.3A CN110361226B (en) | 2019-07-02 | 2019-07-02 | Multi-point type sink bottom mud synchronous collecting device and method |
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| CN110361226B CN110361226B (en) | 2021-02-09 |
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| CN112098633A (en) * | 2020-09-28 | 2020-12-18 | 上海勘测设计研究院有限公司 | Sediment pollutant release rate survey device |
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| CN110361226B (en) | 2021-02-09 |
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