CN215454825U - Layered capture device for plankton in wetland - Google Patents

Layered capture device for plankton in wetland Download PDF

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Publication number
CN215454825U
CN215454825U CN202122105099.XU CN202122105099U CN215454825U CN 215454825 U CN215454825 U CN 215454825U CN 202122105099 U CN202122105099 U CN 202122105099U CN 215454825 U CN215454825 U CN 215454825U
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CN
China
Prior art keywords
plankton
fixedly connected
wetland
layered
rod
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Expired - Fee Related
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CN202122105099.XU
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Chinese (zh)
Inventor
李春义
郭菊兰
杨思
宁宇
王义飞
马骅
谭月臣
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Research Institute of Forestry New Technology of Chinese Academy of Forestry
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Research Institute of Forestry New Technology of Chinese Academy of Forestry
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Priority to CN202122105099.XU priority Critical patent/CN215454825U/en
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Abstract

The utility model provides a layered capturing device for plankton in a wetland. The layered wetland plankton trapping device comprises: a catch and lever; the winding and unwinding device is fixed in one end of the operating rod, the winding and unwinding device comprises a connecting rod, four fixing plates and four fixing plates are fixedly connected to the bottom of the connecting rod, one side of each fixing plate is fixedly connected with an installation wire wheel and three reels, and the installation wire wheel is fixedly connected with a connection rope. The wetland plankton layered capturing device provided by the utility model can be used for conveniently winding and releasing the connecting rope through the mounting wire wheel and the three winding wheels, the length of the connecting rope released to the position below the water surface is taken as the depth of the capturing device, and the depth of the capturing device below the water can be accurately controlled by floating the indicating buoy at the corresponding position on the water surface, so that planktons at different depths can be conveniently captured in a layered manner.

Description

Layered capture device for plankton in wetland
Technical Field
The utility model relates to the technical field of plankton determination, in particular to a layered wetland plankton capturing device.
Background
Plankton is the organism suspended in the water, and many of them are small, have weak swimming ability or no swimming ability at all, and live through the wave-following and flow-by-flow life. Plankton can be divided into two major classes, phytoplankton and zooplankton. Plankton is the basis of the aquatic food chain and plays an important role in the aquatic ecosystem. Many plankton are very sensitive to environmental changes and can be used as indicators of wetland water quality, so in wetland water quality testing, plankton is often listed as one of the main research objects.
When surveying the plankton, need catch the plankton, gather the analysis in order to obtain relevant data, and the plankton not only the horizontal distribution in the water is different, also is different in the vertical distribution moreover, if only gather the actual conditions that the surface water sample just can not represent whole water layer plankton, consequently just need gather the plankton of the different degree of depth.
In prior art, when gathering different degree of depth plankton, stretch into the aquatic with the capture device usually and catch, nevertheless can't accurately grasp capture device in the depth of surface of water, influence the accuracy of data collection easily.
Therefore, it is necessary to provide a layered wetland plankton trapping device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a layered wetland plankton capturing device, which solves the problems that the depth of the capturing device under the water surface cannot be accurately mastered and the accuracy of acquired data is easily influenced.
In order to solve the technical problem, the layered wetland plankton trapping device provided by the utility model comprises: a catch and lever;
the winding and unwinding device is fixed at one end of the operating rod and comprises a connecting rod, the bottom of the connecting rod is fixedly connected with four fixing plates, one side of each fixing plate is fixedly connected with an installation wire wheel and three winding wheels, a connecting rope is fixedly connected to the installation wire wheel, and four indicating buoys are arranged on the connecting rope;
the connecting device is fixed at one end of the connecting rope and used for connecting the connecting rope and the capturing device, the connecting device comprises a bundling shaft, and three stabilizing ropes are fixedly connected to the bottom of the bundling shaft.
Preferably, the connecting rod is fixed to one end of the operating rod, the reels and the indicating buoys are alternately arranged, and the connecting rope is wound around the mounting reel and the reels.
Preferably, the capturing device comprises a capturing net made of a bolting silk, the top of the capturing net is fixedly connected with a copper ring for propping up the capturing net, the bottom of the capturing net is fixedly connected with a counterweight steel pipe for releasing captured plankton, and the counterweight steel pipe is provided with a control valve.
Preferably, the bunch axle is fixed in connect the one end of rope, the even fixedly connected with three fixed block in top of copper ring, three the one end of stabilizing the rope respectively with three fixed block fixed connection.
Preferably, still include positioner, positioner is fixed in the bottom of connecting rod, positioner includes the connecting plate, one side fixedly connected with location arc pole of connecting plate to one side of connecting plate is rotated and is connected with spacing arc pole, one side fixedly connected with direction arc pole of connecting plate, the cover is equipped with first adjusting spring and second adjusting spring on the direction arc pole.
Preferably, the connecting plate is fixed in the bottom of connecting rod, the one end of direction arc pole passes spacing arc pole, first regulating spring with the second regulating spring respectively with the both sides fixed connection of spacing arc pole.
Preferably, the indication buoy is provided with a limit hole, and one end of the positioning arc rod penetrates through the limit hole.
Compared with the related technology, the layered capture device for the plankton in the wetland provided by the utility model has the following beneficial effects:
the utility model provides a layered capturing device for plankton in a wetland, which can facilitate the winding and the releasing of a connecting rope through an installation wire wheel and three winding wheels, the length of the connecting rope released to the underwater surface is taken as the depth of the capturing device, and the depth of the capturing device under water can be accurately controlled by floating an indicating buoy at a corresponding position on the water surface, so that the plankton at different depths can be conveniently captured in a layered manner.
Drawings
FIG. 1 is a schematic structural diagram of a layered wetland plankton capture device according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the capture device portion of FIG. 1;
FIG. 3 is a schematic structural view of a layered wetland plankton capture device according to a second embodiment of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3;
fig. 5 is a top view of the indicating float of fig. 4.
Reference numbers in the figures:
1. the device comprises a capturing device 11, a capturing net 12, a copper ring 13, a counterweight steel pipe 14, a control valve 15 and a fixed block;
2. an operating lever;
3. the device comprises a winding and unwinding device 31, a connecting rod 32, a fixing plate 33, a mounting reel 34, a winding reel 35, a connecting rope 36 and an indicating buoy;
4. connecting means, 41, bundling axis, 42, stabilizing rope;
6. the positioning device comprises a positioning device 61, a connecting plate 62, a positioning arc rod 63, a limiting arc rod 64, a guide arc rod 65, a first adjusting spring 66 and a second adjusting spring;
7. and a limiting hole.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a layered wetland plankton trapping device according to a first embodiment of the present invention; fig. 2 is a schematic view of the structure of the portion of the capturing device shown in fig. 1. The layered wetland plankton trapping device comprises: a capturing device 1 and an operating lever 2;
the winding and unwinding device 3 is fixed at one end of the operating rod 2, the winding and unwinding device 3 comprises a connecting rod 31, four fixing plates 32 are fixedly connected to the bottom of the connecting rod 31, one side of each fixing plate 32 is fixedly connected with an installation wire wheel 33 and three wire reels 34, a connecting rope 35 is fixedly connected to the installation wire wheel 33, and four indicating buoys 36 are arranged on the connecting rope 35;
the connecting device 4 is fixed at one end of the connecting rope 35, the connecting device 4 is used for connecting the connecting rope 35 and the capturing device 1, the connecting device 4 comprises a bundling shaft 41, and three stabilizing ropes 42 are fixedly connected to the bottom of the bundling shaft 41.
The outer surface of the operating rod 2 is a rubber plastic handle, the operating rod 2 is convenient to hold, the connecting rope 35 can be divided by arranging four indicating buoys 36, the connecting rope 35 is divided into five parts, the connecting rope 35 is divided into six parts with different lengths, the lengths of the five parts are 0.5m, 1m and 1m in sequence, the length of the part fixedly connected with the wire wheel 33 is 1m, and the other two parts 1m and one part 0.5m are wound in three wire reels 34 respectively.
The connecting rod 31 is fixed to one end of the operating rod 2, the reels 34 and the indicating buoys 36 are alternately arranged, and the connecting rope 35 is wound around the mounting reel 33 and the reels 34.
The capturing device 1 comprises a capturing net 11 made of bolting silk, the top of the capturing net 11 is fixedly connected with a copper ring 12 for opening the capturing net 11, the bottom of the capturing net 11 is fixedly connected with a counterweight steel pipe 13 for releasing captured plankton, and the counterweight steel pipe 13 is provided with a control valve 14.
Strut the opening of catching net 11 top through copper ring 12, conveniently catch the use of net, and carry out the counter weight through counter weight steel pipe 12 to the bottom of catching net 11 for catch net 11 and can fall into the aquatic smoothly, catch the plankton that net 11 can be better through adopting the catch of bolting-silk preparation.
The sampling amount is determined according to the density of the floating algae and the research requirement, and the general principle is as follows: the density of the floating algae is high, and the water collection amount can be small; the density is low, the water collection amount is large, the water collection amount commonly used for floating algae is preferably 1L, and if the chlorophyll, the dry weight and the like of algae are measured, additional sampling is needed.
Using the capturing device 1 to perform "∞" shaped circulation and slow dragging for 1-3 min at a speed of 20-30 cm/s from the surface to 0.5m depth, or drag filtering for 1.5-5.0 m along the surface in water3Volume of water.
The capturing device 1 is pulled out from the water, and the collected floating objects can be recovered through the counterweight steel pipe 13 by opening the control valve 14.
The bundling shaft 41 is fixed at one end of the connecting rope 35, the top of the copper ring 12 is uniformly and fixedly connected with three fixing blocks 15, and one end of each of the three stabilizing ropes 42 is fixedly connected with the three fixing blocks 15.
The copper ring 12 is connected by three stabilizing ropes 42, and the copper ring 12 can be kept stable when moving into water or moving upwards by utilizing the stability of a triangle.
The wetland plankton layered capturing device provided by the utility model has the following working principle:
the three reels 34 and the installation reel 33 are not in contact with each other, when the connection rope 35 is convenient to wind on the installation reel 33 and the reels 34 quickly, when the connection rope 35 on the reels 34 is not released, the available length of the connection rope 35 is 0.5m, the sampling can be carried out at the position 0.5m below the water surface, when the connection rope 35 on the reel 34 closest to the operating rod 2 is released, the available length of the connection rope 35 can be increased to 1m, and after the connection ropes 35 of the other two reels 34 and the installation reel 33 are released in sequence, the available length of the connection rope 35 is changed to 2m, 3m and 4 m.
Through the release reel 34 and the installation line wheel 33 on the connection rope 35 during, can adjust the length of connecting the rope 35, make the water that trapping apparatus 11 can descend the different degree of depth for the capture of carrying out the plankton, the sampling point can be at water surface below 0.5m, 1m, 2m, five water layer sampling of 3m and 4m, misce bene, get quantitative water sample from wherein, in the river, because water constantly flows, the upper and lower floor mixes fastly, gather about the surface of water 0.5m sub-surface layer appearance can, or add to gather once in the lower floor, twice mix can, if need know plankton algae vertical distribution situation, do not need to mix after sampling respectively in different levels.
Compared with the related technology, the layered capture device for the plankton in the wetland provided by the utility model has the following beneficial effects:
the winding and the release of the connecting rope 35 can be conveniently realized through one mounting reel 33 and three reels 34, the connecting rope 35 is released to the length below the water surface, the depth of the capturing device 1 can be accurately controlled by floating the indicating buoy 36 corresponding to the position on the water surface, and the plankton at different depths can be conveniently captured in a layered mode.
Second embodiment
Referring to fig. 3 to 5, based on the wetland plankton-based layered capturing device provided in the first embodiment of the present application, the second embodiment of the present application provides another wetland plankton-based layered capturing device. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference between the wetland-based plankton stratification capturing device provided in the second embodiment of the present application is that the wetland-based plankton stratification capturing device further includes
Positioner 6, positioner 6 is fixed in the bottom of connecting rod 31, positioner 6 includes connecting plate 61, one side fixedly connected with location arc pole 62 of connecting plate 61 to one side of connecting plate 61 is rotated and is connected with spacing arc pole 63, one side fixedly connected with direction arc pole 64 of connecting plate 61, the cover is equipped with first adjusting spring 65 and second adjusting spring 66 on the direction arc pole 64.
The first adjusting spring 65 and the second adjusting spring 66 respectively abut against two sides of the limit arc rod 63, so that the limit arc rod 63 and the positioning arc rod 62 form a circular ring.
The connecting plate 61 is fixed at the bottom of the connecting rod 31, one end of the guide arc rod 64 penetrates through the limit arc rod 63, and the first adjusting spring 65 and the second adjusting spring 66 are respectively and fixedly connected with two sides of the limit arc rod 63.
The indication buoy 36 is provided with a limit hole 7, and one end of the positioning arc rod 62 passes through the limit hole 7.
The positioning arc rod 62 passes through the limiting hole 7, so that the indicating buoy 36 can be prevented from being separated from the positioning arc rod 62.
The wetland plankton layered capturing device provided by the utility model has the following working principle:
when the limiting arc rod 63 is manually rotated, a gap is formed between the limiting arc rod 63 and the positioning arc rod 62, the indicating buoy 36 can be moved, the indicating buoy 36 is taken down from the gap formed between the limiting arc rod 63 and the positioning arc rod 62, the indicating buoy 36 is separated from the positioning arc rod 62, and the connecting rope 35 can be freely and movably connected to adjust the length of the connecting rope 35;
conversely, the indication buoy 36 can also pass through a gap formed between the limit arc rod 63 and the positioning arc rod 62, the positioning arc rod 62 passes through the limit hole 7, and the positioning arc rod 62 and the indication buoy 36 are connected together.
Compared with the related technology, the layered capture device for the plankton in the wetland provided by the utility model has the following beneficial effects:
through using location arc pole 62 to pass and instruct buoy 36, can be spacing to instructing buoy 36, avoid instructing buoy 36 activity to drive the winding and connect the rope 35 and break away from reel 34 on reel 34, when rotating spacing arc pole 63 simultaneously, can make and form a breach between spacing arc pole 63 and the location arc pole 62, conveniently instruct quick connection and separation between buoy 36 and the location arc pole 62.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a wetland plankton layering trapping apparatus which characterized in that includes:
a catch and lever;
the winding and unwinding device is fixed at one end of the operating rod and comprises a connecting rod, the bottom of the connecting rod is fixedly connected with four fixing plates, one side of each fixing plate is fixedly connected with an installation wire wheel and three winding wheels, a connecting rope is fixedly connected to the installation wire wheel, and four indicating buoys are arranged on the connecting rope;
the connecting device is fixed at one end of the connecting rope and used for connecting the connecting rope and the capturing device, the connecting device comprises a bundling shaft, and three stabilizing ropes are fixedly connected to the bottom of the bundling shaft.
2. The layered wetland plankton trapping device according to claim 1, wherein the connecting rod is fixed to one end of the operating rod, the reels and the indicating buoys are arranged in a staggered manner, and connecting ropes are wound around the mounting reels and the reels.
3. The layered wetland plankton capturing device according to claim 1, wherein the capturing device comprises a capturing net made of bolting silk, the top of the capturing net is fixedly connected with a copper ring for supporting the capturing net, the bottom of the capturing net is fixedly connected with a counterweight steel pipe for releasing captured plankton, and the counterweight steel pipe is provided with a control valve.
4. The layered wetland plankton trapping device according to claim 3, wherein the bundling shaft is fixed at one end of the connecting rope, three fixing blocks are uniformly and fixedly connected to the top of the copper ring, and one ends of the three stabilizing ropes are respectively and fixedly connected with the three fixing blocks.
5. The layered wetland plankton trapping device according to claim 1, further comprising a positioning device fixed to the bottom of the connecting rod, wherein the positioning device comprises a connecting plate, one side of the connecting plate is fixedly connected with a positioning arc rod, one side of the connecting plate is rotatably connected with a limiting arc rod, one side of the connecting plate is fixedly connected with a guiding arc rod, and the guiding arc rod is sleeved with a first adjusting spring and a second adjusting spring.
6. The layered wetland plankton trapping device according to claim 5, wherein the connecting plate is fixed to the bottom of the connecting rod, one end of the guide arc rod passes through the limit arc rod, and the first adjusting spring and the second adjusting spring are respectively and fixedly connected with two sides of the limit arc rod.
7. The layered wetland plankton trapping device according to claim 6, wherein the indication buoy is provided with a limiting hole, and one end of the positioning arc rod passes through the limiting hole.
CN202122105099.XU 2021-09-02 2021-09-02 Layered capture device for plankton in wetland Expired - Fee Related CN215454825U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122105099.XU CN215454825U (en) 2021-09-02 2021-09-02 Layered capture device for plankton in wetland

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122105099.XU CN215454825U (en) 2021-09-02 2021-09-02 Layered capture device for plankton in wetland

Publications (1)

Publication Number Publication Date
CN215454825U true CN215454825U (en) 2022-01-11

Family

ID=79767258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122105099.XU Expired - Fee Related CN215454825U (en) 2021-09-02 2021-09-02 Layered capture device for plankton in wetland

Country Status (1)

Country Link
CN (1) CN215454825U (en)

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Granted publication date: 20220111