CN113720979A - Sediment suspending and sampling device for simulating ship disturbance - Google Patents
Sediment suspending and sampling device for simulating ship disturbance Download PDFInfo
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- CN113720979A CN113720979A CN202110928573.0A CN202110928573A CN113720979A CN 113720979 A CN113720979 A CN 113720979A CN 202110928573 A CN202110928573 A CN 202110928573A CN 113720979 A CN113720979 A CN 113720979A
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- 238000005070 sampling Methods 0.000 title claims abstract description 60
- 239000013049 sediment Substances 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000004088 simulation Methods 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sediment suspending and sampling device for simulating ship disturbance, which belongs to the technical field of water quality detection and comprises: the device comprises a supporting device, a connecting part connected with the supporting device, a driving part arranged at the bottom of the connecting part, an output end arranged at the bottom of the driving part, a propeller arranged at the output end at the bottom of the driving part, through holes which are communicated with each other and arranged in the middle of the propeller and the driving part, and a sampling part which sequentially penetrates through the propeller and the driving part to be connected with the connecting part.
Description
Technical Field
The invention relates to a sediment suspending and sampling device for simulating ship disturbance, and belongs to the technical field of water quality detection.
Background
Under the impact of water flow, the sediment deposited at the bottom of the river can be corroded and suspended to release endogenesis, and the released trace elements, pollutants and other substances cause the change of water quality. Endogenous release has great influence on the water body environment, can cause microorganism change, and can also cause the change of aquatic organism quantity, so it is necessary to study sediment suspension technology, how to analyze the microscopic mechanism that the sediment suspended, study the influence that ship screw disturbance hung to the sediment, lack practical research at present stage, and sediment suspension and screw disturbance two combine to have certain theoretical and practical research value.
The existing sampling device only detects and samples the water body, does not probe the influence of the ship on the bottom sediment suspension, and can not probe the action mechanism of the ship propeller disturbance.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a sediment suspension and sampling device for simulating ship disturbance.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention provides a sediment suspending and sampling device for simulating ship disturbance, which comprises:
a supporting device, which is arranged on the frame,
a connecting part connected with the supporting device,
a driving part arranged at the bottom of the connecting part, an output end is arranged at the bottom of the driving part,
a propeller arranged at the output end of the bottom of the driving part, through holes are arranged in the middle of the propeller and the driving part and are communicated with each other,
and the sampling part sequentially penetrates through the propeller and the driving part to be connected with the connecting part.
Further, the supporting device comprises a balance rod and arc-shaped supports symmetrically arranged at two ends of the balance rod, and two ends of each arc-shaped support are hollowed out.
Furthermore, the arc-shaped support is formed by connecting an upper arc-shaped stainless steel pipe, a lower arc-shaped stainless steel pipe, a left vertical steel pipe and a right vertical steel pipe.
Further, the both ends symmetry of arc support is equipped with the counter weight support, counter weight support mounting is on vertical steel pipe, just install the counter weight body on the counter weight support.
Further, the drive division includes casing, motor, first gear, second gear, bull stick, slew bearing, the casing is located between connecting portion and the screw, slew bearing locates the bottom center department of casing, the inside that slew bearing got into the casing is passed to the one end of bull stick, and is connected with slew bearing's inner circle, first gear is located the one end of casing with the bull stick and is connected, just the through-hole that link up mutually with the outside is all seted up to the junction of bull stick and first gear, supplies the sampling portion passes through, the second gear is connected with first gear engagement, and through locating the inside motor drive of casing.
Further, the driving part further comprises a rotating speed regulator, the rotating speed regulator is arranged inside the shell, the motor is a variable-speed motor, and the internal gearbox is connected with the motor.
Furthermore, the top of connecting portion is equipped with the haulage rope of scalable regulation.
Furthermore, a power supply and an electric wire are arranged inside the connecting part, and the power supply is respectively connected with the rotating speed regulator and the motor through the electric wire.
Further, sampling portion includes vertical main sampling stick of placing, arranges a sampling stick in main sampling stick bottom with the cross, equal-aperture's that equidistant arranges sampling hole on main sampling stick and a sampling stick, the bottom of main sampling stick is higher than terminal surface under the arc support.
Compared with the prior art, the invention has the following beneficial effects:
1. the device extends the bottom mud to suspend in the direction of the ship, and compared with other devices, the device combines the relation between the ship disturbance and the pollution caused by the bottom mud suspension, and other devices only detect and sample the water body, do not explore the influence of the ship on the bottom mud suspension, and cannot explore the action mechanism of the ship propeller disturbance.
2. The realization of multidirectional bottom mud collection: some bottom sediment sampling devices only comprise longitudinal sampling rods, and most of the sampling rods are designed to be sampling holes distributed in high, middle and low positions so as to collect the bottom sediment suspension condition in different water depths; the device sets different research variables through longitudinal and transverse sampling rods, and is easier to research the difference comparison between the longitudinal direction and the horizontal direction.
3. The device is suitable for different environments, namely the device can adjust the dead weight to increase the stability under the conditions of different river flow rates through the balance weights with various weights, and the hollow design can reduce the stress area, reduce the acting force of water, strengthen the stability of the device and avoid the deviation and the overturn of the instrument.
4. The device is innovatively combined with propellers on the basis of the sediment device, and a rotating speed regulator is added to control the rotating speed change of the propellers in consideration of different running speeds of ships, so that the jet flow velocities of the propellers are different, more possibilities are added for experimental results, and experimental data are more comprehensive.
The utility model provides a sediment of simulation ship disturbance plays to hang and sampling device, its simple structure, convenient operation, the preparation maintenance cost is low, excellent in use effect, accurate sample of can diversification has reliable practicality and extensive suitability.
Drawings
FIG. 1 is a schematic diagram of a settling structure of a sediment suspending and sampling device for simulating ship disturbance according to an embodiment of the invention;
FIG. 2 is a side view of a sediment floatation and sampling device for simulating the disturbance of a ship according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the driving part shown in FIG. 1;
FIG. 4 is a schematic view of the propeller shown in FIG. 1;
fig. 5 is a schematic structural view of the weight body shown in fig. 1.
In the figure: 1. a connecting portion; 2. a drive section; 2a, a shell; 2b, a motor; 2c, a first gear; 2d, a second gear; 2e, rotating the rod; 2f, a slewing bearing; 2g, a rotating speed regulator; 3. a propeller; 4. a main sampling rod; 5. a sampling rod is supported; 6. a sampling hole; 7. a support device; 8. a balancing pole; 9. an arc-shaped bracket; 10. a counterweight bracket; 11. a counterweight body.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, 2, 3, 4 and 5, the sediment suspending and sampling device for simulating the disturbance of the ship provided by the embodiment of the invention comprises:
the supporting device 7 comprises a balancing rod 8 and arc-shaped supports 9 symmetrically arranged at two ends of the balancing rod 8, two ends of each arc-shaped support 9 are hollowed out, the bottom contact area is enlarged by the arc, the hollow area is reduced, the force is reduced, the stability is kept, the arc-shaped stabilizing supports are outwards expanded to form supporting legs, the device is favorably stabilized at the bottom, and the side turning is avoided; the arc-shaped support 9 is formed by connecting an upper arc-shaped stainless steel pipe, a lower arc-shaped stainless steel pipe, a left vertical steel pipe and a right vertical steel pipe; the two ends of the arc-shaped support 9 are symmetrically provided with counterweight supports 10, the counterweight supports 10 are installed on the vertical steel pipe, and counterweight bodies 11 are installed on the counterweight supports 10. The self weight of the device is increased, the device is enabled to be a lower layer as vertical as possible, the deviation distance between the device and a survey target area is reduced, a counterweight body 11 is hung on a counterweight support 10, a counterweight is placed in a groove-shaped structure and falls off, and the counterweight body 11 is an excircle and inner square solid metal weight with different weights;
the whole balance bracket is preferably made of stainless steel, so that the balance bracket is not easy to rust and has high hardness;
the connecting part 1 is connected with the supporting device 7, a traction rope which can be telescopically adjusted is arranged at the top of the connecting part 1, the instrument placing depth can be freely adjusted through telescopic adjustment, the hardness is high, and the connecting device is prevented from being broken and the instrument is prevented from falling off; a power supply and an electric wire are arranged inside the connecting part 1, and the power supply is respectively connected with the rotating speed regulator and the motor 2b through the electric wire;
the material of the water contact shell of the connecting part 1 is preferably rubber material;
a driving part 2 arranged at the bottom of the connecting part 1, the bottom of the driving part 2 is provided with an output end, the driving part 2 comprises a shell 2a, a motor 2b, a first gear 2c, a second gear 2d, a rotating rod 2e and a rotary bearing 2f, the shell 2a is arranged between the connecting part 1 and the propeller 3, the rotary bearing 2f is arranged at the center of the bottom of the shell 2a, one end of the rotating rod 2e passes through the rotary bearing 2f and enters the shell 2a, and is connected with the inner ring of the slewing bearing 2f, the first gear 2c is connected with one end of the rotating rod 2e positioned at the shell 2a, and the joint of the rotating rod 2e and the first gear 2c is provided with a through hole communicated with the outside for the sampling part to pass through, the second gear 2d is meshed with the first gear 2c and is driven by a motor 2b arranged in the shell 2 a; the driving part 2 further comprises a rotating speed regulator, the rotating speed regulator is arranged inside the shell 2a, the motor 2b is a variable-speed motor 2b, and an internal gearbox is connected with the motor 2 b; the rotating speed regulator regulates the current intensity and frequency so as to control the driving speed of the propeller 3;
a propeller 3 arranged at the output end of the bottom of the driving part 2, through holes are arranged at the middle parts of the propeller 3 and the driving part 2 and are communicated with each other,
the sampling part sequentially penetrates through the propeller 3 and the driving part 2 to be connected with the connecting part 1; the sampling part comprises a vertically placed main sampling rod 4 and branch sampling rods 5 which are arranged at the bottom end of the main sampling rod 4 in a cross manner, sampling holes 6 with equal apertures are arranged on the main sampling rod 4 and the branch sampling rods 5 at equal intervals, and the bottom end of the main sampling rod 4 is higher than the lower end face of the arc-shaped support 9; the main sampling rod 4 is not in direct contact with the propeller 3, independent work is kept, influence caused by rotation of the propeller 3 is avoided, unnecessary experimental interference is reduced, and the acquisition holes are distributed at equal intervals, so that longitudinal data change corresponding to the same position can be conveniently measured;
when in use, the specific fixed position of the detection object is determined firstly, and the mark is made; observing the flow velocity of water flow, reasonably selecting the counterweight body 11 to increase the self weight of the device, accelerating the vertical sinking speed and reducing the experimental error caused by placement offset due to the impact force of the water flow; the device is placed into the water body to be detected by taking the connecting part 1 as a lifting rope, and the device is waited to be in a bottom-touching state and kept stand for a period of time for observation, so that the influence of factors on the damage of the mud layer structure is reduced; and testing by changing the rotating speed of the propeller 3 for multiple times, and respectively collecting the sample water bodies in the collecting holes.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a sediment of only disturbance of simulation ship is hung and sampling device, characterized by includes:
a support device (7) for supporting the support device,
a connecting part (1) connected with the supporting device (7),
a driving part (2) arranged at the bottom of the connecting part (1), the bottom of the driving part (2) is provided with an output end,
a propeller (3) arranged at the output end of the bottom of the driving part (2), through holes are arranged at the middle parts of the propeller (3) and the driving part (2) and are communicated with each other,
the sampling part sequentially penetrates through the propeller (3) and the driving part (2) to be connected with the connecting part (1).
2. The sediment suspending and sampling device for simulating only ship disturbance according to claim 1, wherein the supporting device (7) comprises a balance rod (8) and arc-shaped brackets (9) symmetrically arranged at two ends of the balance rod (8), and two ends of each arc-shaped bracket (9) are hollowed out.
3. The sediment suspending and sampling device for simulating only ship disturbance according to claim 2, characterized in that the arc-shaped bracket (9) is formed by connecting an upper arc-shaped stainless steel pipe, a lower arc-shaped stainless steel pipe and a left vertical steel pipe and a right vertical steel pipe.
4. The sediment suspending and sampling device for simulating only ship disturbance according to claim 3, characterized in that two ends of the arc-shaped support (9) are symmetrically provided with counterweight supports (10), the counterweight supports (10) are installed on the vertical steel pipe, and counterweight bodies (11) are installed on the counterweight supports (10).
5. The sediment suspending and sampling device for simulating only ship disturbance according to claim 1, wherein the driving part (2) comprises a housing (2a), a motor (2b), a first gear (2c), a second gear (2d), a rotating rod (2e) and a rotary bearing (2f), the housing (2a) is arranged between the connecting part (1) and the propeller (3), the rotary bearing (2f) is arranged at the center of the bottom of the housing (2a), one end of the rotating rod (2e) penetrates through the rotary bearing (2f) to enter the housing (2a) and is connected with the inner ring of the rotary bearing (2f), the first gear (2c) and the rotating rod (2e) are arranged at one end of the housing (2a) and the connecting part of the rotating rod (2e) and the first gear (2c) is provided with through holes communicated with the outside, the sampling part passes through the gear box, and the second gear (2d) is meshed with the first gear (2c) and is driven by a motor (2b) arranged in the shell (2 a).
6. A device for simulating the suspension and sampling of a ship's disturbed bottom mud according to claim 5, characterized in that said driving part (2) further comprises a speed regulator (2g), said speed regulator (2g) being arranged inside the housing (2a), said motor (2b) being a variable speed motor (2b) and an internal gearbox being connected to said motor (2 b).
7. A device for simulating vessel disturbance sediment flotation and sampling according to claim 6, characterized in that the top of the attachment part (1) is provided with a telescopically adjustable pulling rope.
8. A device for simulating vessel disturbance based on sediment flotation and sampling according to claim 6, characterized in that the inside of the connecting part (1) is provided with a power supply and wires, and the power supply is connected with the rotation speed regulator (2g) and the motor (2b) through the wires respectively.
9. The sediment that simulation ship only disturbed hangs and sampling device according to claim 1, characterized by, sampling portion includes main sampling stick (4) of vertical placing, arranges branch sampling stick (5) in main sampling stick (4) bottom with the cross, the equal aperture's of equidistant distribution sampling hole (6) on main sampling stick (4) and the branch sampling stick (5), the bottom of main sampling stick (4) is higher than arc support (9) lower terminal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928573.0A CN113720979A (en) | 2021-08-13 | 2021-08-13 | Sediment suspending and sampling device for simulating ship disturbance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928573.0A CN113720979A (en) | 2021-08-13 | 2021-08-13 | Sediment suspending and sampling device for simulating ship disturbance |
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| Publication Number | Publication Date |
|---|---|
| CN113720979A true CN113720979A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110928573.0A Pending CN113720979A (en) | 2021-08-13 | 2021-08-13 | Sediment suspending and sampling device for simulating ship disturbance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597828A (en) * | 2022-11-29 | 2023-01-13 | 水利部交通运输部国家能源局南京水利科学研究院（Cn） | Annular water tank test device and method for simulating pollutant release under ship traveling wave action |
-
2021
- 2021-08-13 CN CN202110928573.0A patent/CN113720979A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597828A (en) * | 2022-11-29 | 2023-01-13 | 水利部交通运输部国家能源局南京水利科学研究院（Cn） | Annular water tank test device and method for simulating pollutant release under ship traveling wave action |
| CN115597828B (en) * | 2022-11-29 | 2023-03-14 | 水利部交通运输部国家能源局南京水利科学研究院 | Annular water tank test device and method for simulating pollutant release under ship traveling wave action |
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