CN113373882A - Collection device suitable for brook plankton - Google Patents

Collection device suitable for brook plankton Download PDF

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Publication number
CN113373882A
CN113373882A CN202110604728.5A CN202110604728A CN113373882A CN 113373882 A CN113373882 A CN 113373882A CN 202110604728 A CN202110604728 A CN 202110604728A CN 113373882 A CN113373882 A CN 113373882A
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China
Prior art keywords
collection
collecting
plankton
stream
collection housing
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CN202110604728.5A
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Chinese (zh)
Inventor
王赛
王团团
夏文彤
苗中博
刘应龙
王晓迪
王定莹
王光宇
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Hainan University
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Hainan University
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Priority to CN202110604728.5A priority Critical patent/CN113373882A/en
Publication of CN113373882A publication Critical patent/CN113373882A/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The invention is suitable for the technical field of biological collection, and provides a structure diagram of a collecting device suitable for brook plankton, which comprises: the collecting mechanism is used for capturing plankton; the fixing mechanism is fixed at the bottom of the stream and used for fixing the collecting mechanism; collect the mechanism both sides and rotate with fixed establishment through rotating and be connected, be provided with automatic regulating mechanism in the collection mechanism, automatic regulating mechanism is used for adjusting the collection mechanism and makes collection mechanism opening and surface of water keep certain distance, reaches the effect of plankton on the automatic collection brook, need not artifical handheld collecting vessel and collect, and is fixed firm reliable to can collect the inclination of mechanism along with the change automatically regulated of brook degree of depth, thereby be convenient for collect the brook of different depths of water, also can change along with the change of the brook depth of water, have extremely strong flexibility.

Description

Collection device suitable for brook plankton
Technical Field
The invention belongs to the technical field of biological collection, and particularly relates to a collecting device suitable for stream plankton.
Background
Plankton is an important component in an aquatic ecosystem, is sensitive to the change of a water environment, the quantity and the type of plankton change along with the change of the water environment, and the diverse performance of the plankton further reflects the quality of the water environment. Therefore, research and analysis on the community of plankton in the river in the coastal region not only can indirectly reflect the quality of the water environment in the living water area, help to evaluate the water environment condition, but also has important significance on the protection of the water environment and water ecosystem in the coastal region.
At present, in the process of collecting plankton in stream, a collecting cylinder is generally adopted to carry out sampling at the river side.
However, stream belongs to a diving layer, water has high mobility, plankton flows along with water flow, so that the plankton is not easy to collect, a collecting cylinder is required to be manually held for collection, the labor intensity is high, and the labor cost is high.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a collecting device suitable for collecting plankton in a stream, and aims to solve the problems that collecting plankton in a stream takes time and is labor-intensive.
The embodiment of the invention is realized in such a way that the collecting device suitable for stream plankton comprises:
the collecting mechanism is used for capturing plankton; and
the fixing mechanism can be fixed at the bottom of the stream and used for fixing the collecting mechanism;
the collecting mechanism is characterized in that the two sides of the collecting mechanism are rotatably connected with the fixing mechanism through rotating pieces, an automatic adjusting mechanism is arranged on the collecting mechanism and used for adjusting the collecting mechanism to enable the opening of the collecting mechanism to keep a certain distance with the water surface.
Preferably, the collecting mechanism comprises:
a plurality of capture assemblies for collecting plankton; and
and the telescopic connecting piece is used for connecting two adjacent catching assemblies.
Preferably, the catching component comprises a first collecting shell and a second collecting shell arranged on the first collecting shell, wherein a second filtering plate is arranged at one end, close to the first collecting shell, of the second collecting shell, a first filtering plate is arranged at one end, far away from the second collecting shell, of the first collecting shell, and the mesh number of the first filtering plate is smaller than that of the second filtering plate.
Preferably, the telescopic connection is a bellows.
Preferably, one end of the second collecting housing close to the first collecting housing is nested in the first collecting housing and is fixed by a detachable fixing assembly.
Preferably, the fixing assembly includes a fastening bolt penetrating the first collecting housing and threadedly coupled with the second collecting housing.
Preferably, fixed subassembly include with first collection casing outer wall fixed connection's extension piece, extension piece sliding connection has joint spare, extension piece be provided with joint spare complex spout, spout bottom is passed through elastic component and joint spare elastic connection, joint spare head nestification is in the second collection casing, joint spare receives the second and collects the casing extrusion back and can break away from the second and collect the casing.
Preferably, the adjusting assembly comprises a floating member mounted at the head of the catching assembly and an adjusting block mounted at the bottom end of the tail of the catching assembly.
Preferably, the fixing mechanism includes a first fixing frame and a second fixing frame obliquely arranged with the first fixing frame, and the second fixing frame is hinged with the first fixing frame through a hinge frame.
Preferably, the bottom ends of the first fixing frame and the second fixing frame are conical.
The structure chart of the collecting device suitable for the stream plankton provided by the embodiment of the invention achieves the effect of automatically collecting plankton on the stream by arranging the collecting mechanism, the fixing mechanism and the automatic adjusting mechanism, does not need to manually hold the collecting barrel for collection, is firm and reliable in fixation, can automatically adjust the inclination angle of the collecting mechanism along with the change of the depth of the stream, is convenient for collecting streams with different water depths, can also change along with the change of the depth of the stream, and has extremely high flexibility and practicability.
Drawings
Fig. 1 is a schematic structural diagram of a collecting device for zooplankton in a stream according to an embodiment of the present invention;
FIG. 2 is a partial schematic view of a collection mechanism of a collection device for zooplankton in a stream according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a capture assembly in a collection apparatus for zooplankton in a stream according to an embodiment of the present invention;
fig. 4 is a schematic view of a connection relationship between a first collecting housing and a second collecting housing of a collecting device for plankton in a stream according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating another connection relationship between a first collecting housing and a second collecting housing of the collecting apparatus for the plankton in the stream according to the embodiment of the present invention;
fig. 6 is a schematic three-dimensional structure diagram of a second collecting housing in the collecting device for the stream plankton according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a collecting device for zooplankton in a stream according to an embodiment of the present invention includes:
the collecting mechanism 2 is used for catching plankton; and
the fixing mechanism 1 is fixed at the bottom of the stream and used for fixing the collecting mechanism 2;
the two sides of the collecting mechanism 2 are rotatably connected with the fixing mechanism 1 through rotating pieces 7, an automatic adjusting mechanism is arranged on the collecting mechanism 2 and used for adjusting the collecting mechanism 2 to enable the opening of the collecting mechanism 2 to keep a certain distance with the water surface.
In the embodiment of the invention, the fixing mechanism 1 can be stably fixed in the stream, and the collecting mechanism 2 is fixed, so that the fixing mechanism 1 can be collected manually only after a certain amount of time without manual collection, manpower and material resources are saved, and in addition, the automatic adjusting mechanism aims to meet the water depth of the stream at different periods, when the water depth of the stream is increased, the automatic adjusting mechanism enables the collecting mechanism 2 to automatically rotate by taking the fixing mechanism 1 as a center, so that the collecting port of the collecting mechanism 2 is always positioned between the water surface and the water.
As shown in fig. 2, as a preferred example of the present invention, the collecting means 2 includes:
a plurality of catching assemblies 4 for collecting plankton; and
and the telescopic connecting piece 3 is used for connecting two adjacent catching assemblies 4.
In the embodiment of the invention, the whole length of the collecting mechanism 2 can be adjusted through the flexibility of the telescopic connecting piece 3, and then the collecting mechanism is fixed at the bottom of the stream through the fixing mechanism 1, so that the catching assemblies 4 can be relatively uniformly distributed in the whole width range of the stream, the collecting effect is better, the collecting mechanism can adapt to streams with different widths, and the flexibility is extremely high.
As shown in fig. 3 and 6, as another preferred example of the present invention, the catching assembly 4 includes a first collecting case 401 and a second collecting case 403 disposed on the first collecting case 401, one end of the second collecting case 403 close to the first collecting case 401 is provided with a second filter plate 404, one end of the first collecting case 401 far from the second collecting case 403 is provided with a first filter plate 402, and the mesh number of the first filter plate 402 is smaller than that of the second filter plate 404.
In practical situations, because of different requirements for experiments on plankton, plankton with different particle sizes need to be classified, and a lot of time needs to be consumed, a first filter plate 402 is fixed at one end of the first collecting shell 401 far away from the second collecting shell 403, a second filter plate 404 is fixed at one end of the second collecting shell 403 close to the first collecting shell 401, plankton with different particle sizes are collected through the difference of different mesh numbers of the first filter plate 402 and the second filter plate 404, the problem that the plankton needs to be classified again in the later period is avoided, and a lot of time is saved.
In a case of this embodiment, the telescopic connection member 3 is preferably a corrugated pipe, and the material is preferably stainless steel, so that the telescopic connection member 3 has certain flexibility, and the collision of sundries to the capturing component 4 or the telescopic connection member 3 is avoided, and the telescopic connection member 3 cannot flexibly adjust the position, thereby causing damage.
As shown in fig. 3 to 5, in order to detach the second collecting case 403 and the first collecting case 401 and take out plankton of different particle sizes, as another preferred example of the present invention, one end of the second collecting case 403 close to the first collecting case 401 is nested in the first collecting case 401 and fixed by a detachable fixing member.
In one aspect of this embodiment, the fixing assembly includes a fastening bolt 8 penetrating the first collecting case 401 and being in threaded connection with the second collecting case 403, and the fixing assembly can be conveniently detached by the fastening bolt 8, and only a common tool wrench needs to be carried.
In one aspect of this embodiment, the fixing assembly includes an extension block 9 fixedly connected to an outer wall of the first collecting housing 401, the extension block 9 is slidably connected to a clip member 11, the extension block 9 is provided with a sliding slot 10 engaged with the clip member 11, a bottom of the sliding slot 10 is elastically connected to the clip member 11 through an elastic member 12, the clip member 11 is nested inside the second collecting housing 403, the clip member 11 is separated from the second collecting housing 403 after being pressed by the second collecting housing 403, only the second collecting housing 403 needs to be pulled out by force in a direction away from the first collecting housing 401, the clip member 11 is pressed by a housing of the second collecting housing 403 to separate from the second collecting housing 403, the clip member 11 presses the elastic member 12 to retract into the extension block 9, and it is stated that the clip member 11 may be in a shape of a hemisphere or a circular arc, it is only necessary that the second collecting body 403 be separated from the second collecting body 403 after being pressed by the second collecting body 403.
As shown in FIG. 3, which is another preferred example of the present invention, the adjusting unit includes a floating member 5 installed at the head of the catching unit 4 and an adjusting block 6 installed at the bottom end of the tail of the catching unit 4.
In this embodiment, catch subassembly 4 and float 5 fixed connection, catch subassembly 4 and regulating block 6 fixed connection, consequently when the stream depth of water increases, thereby float 5 receives the influence of stream buoyancy to the rebound, drives and catches subassembly 4 and rotate with fixed establishment 1 through rotating piece 7 and be connected to automatically regulated catches the distance between subassembly 4 collection mouth and the stream surface of water, and the same reason can know, regulating block 6 is for further making catch subassembly 4 convenient rotatory, easy regulation.
As shown in fig. 1, as another preferred example of the present invention, the fixing mechanism 1 includes a first fixing frame 101 and a second fixing frame 103 disposed obliquely to the first fixing frame 101, and the second fixing frame 103 is hinged to the first fixing frame 101 through a hinge frame 102.
Through with first mount 101, with second mount 103 that first mount 101 slope set up, the mobility that can deal with the stream more avoids thereby the stream to wash down for a long time and lead to first mount 101 slope upset to break away from the stream bottom, and is fixed firm reliable.
As shown in fig. 1, in order to better fix the fixing mechanism 1 to the bottom of the stream, the bottom ends of the first fixing frame 101 and the second fixing frame 103 are tapered.
The structure diagram of the collecting device suitable for the stream plankton is provided in the embodiment of the invention, the effect of automatically collecting plankton on the stream is achieved by arranging the collecting mechanism 2, the fixing mechanism 1 and the automatic adjusting mechanism, manual collection by holding the collecting barrel is not needed, the fixing is firm and reliable, the inclination angle of the collecting mechanism 2 can be automatically adjusted along with the change of the depth of the stream, so that the stream with different water depths can be conveniently collected, the change of the depth of the stream can be realized, and the structure diagram has extremely strong flexibility.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A collection device adapted for use with stream plankton, said device comprising:
the collecting mechanism is used for capturing plankton; and
the fixing mechanism is fixed at the bottom of the stream and used for fixing the collecting mechanism;
the collecting mechanism is characterized in that the two sides of the collecting mechanism are rotatably connected with the fixing mechanism through rotating pieces, an automatic adjusting mechanism is arranged on the collecting mechanism and used for adjusting the collecting mechanism to enable the opening of the collecting mechanism to keep a certain distance with the water surface.
2. The collection apparatus for brook plankton of claim 1, wherein said collection mechanism comprises:
a plurality of capture assemblies for collecting plankton; and
and the telescopic connecting piece is used for connecting two adjacent catching assemblies.
3. The collection apparatus as claimed in claim 2, wherein said catching assembly comprises a first collection housing and a second collection housing disposed on said first collection housing, said second collection housing having a second filter plate disposed at an end thereof adjacent to said first collection housing, said first collection housing having a first filter plate disposed at an end thereof remote from said second collection housing, said first filter plate having a mesh size smaller than that of said second filter plate.
4. The apparatus of claim 2, wherein said telescopic connection is a bellows.
5. The collection apparatus for streamers plankton according to claim 3 wherein the second collection housing is nested within the first collection housing adjacent the end of the first collection housing and secured thereto by a removable securing assembly.
6. The collection apparatus for creek plankton of claim 5, wherein the fastening assembly includes a fastening bolt extending through the first collection housing and threadably engaging the second collection housing.
7. The collection device for the stream plankton of claim 5, wherein the fixing assembly comprises an elongated block fixedly connected with the outer wall of the first collection housing, the elongated block is slidably connected with a clamping member, the elongated block is provided with a sliding groove matched with the clamping member, the bottom of the sliding groove is elastically connected with the clamping member through an elastic member, the head of the clamping member is nested in the second collection housing, and the clamping member is separated from the second collection housing after being pressed by the second collection housing.
8. The device for collecting the stream plankton according to any one of claims 2-7, wherein the adjusting assembly comprises a floating member installed at the head of the catching assembly and an adjusting block installed at the bottom end of the tail of the catching assembly.
9. The collection apparatus for stream plankton according to any one of claims 1-7, wherein said fixing mechanism comprises a first fixing frame and a second fixing frame obliquely disposed with respect to the first fixing frame, said second fixing frame being hinged to the first fixing frame by a hinge frame.
10. The apparatus for collecting plankton in a stream as claimed in claim 9, wherein said first and second holders are tapered at their lower ends.
CN202110604728.5A 2021-05-31 2021-05-31 Collection device suitable for brook plankton Pending CN113373882A (en)

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Application publication date: 20210910