CN208030028U - A kind of zoobenthos collector - Google Patents
A kind of zoobenthos collector Download PDFInfo
- Publication number
- CN208030028U CN208030028U CN201820209611.0U CN201820209611U CN208030028U CN 208030028 U CN208030028 U CN 208030028U CN 201820209611 U CN201820209611 U CN 201820209611U CN 208030028 U CN208030028 U CN 208030028U
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- China
- Prior art keywords
- rectangular frame
- zoobenthos
- bag
- mesh bag
- sample
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Abstract
The utility model discloses a kind of zoobenthos collectors, rectangular frame including straight-tube shape, one end of rectangular frame collection port as zoobenthos sample outwardly, the other end is connected with several in turn and is used for the mesh bag that sample detaches step by step, the mesh bag is by surrounding cylindric side net and being connected to the bag shaped structure for the open-top that the spacer screen of side sieve bottom is formed, be detachably connected by slide fastener formation between each mesh bag；The exterior bottom of the rectangular frame is given up equipped with metal slice, and the surface of the metal slice house is coated with erosion shield；The top of the rectangular frame is equipped with a holding rod, and the holding rod includes the telescopic rod for being fixedly connected with the fixed link for being rectangular frame top and being sheathed on outside fixed link.The utility model can select the nylon net bag different with spacer screen aperture is replaced as needed, can acquire sample and to sample eluriate according to size and detach step by step, greatly reduce the workload of artificial screening.
Description
Technical field
The utility model is related to aquatile monitoring technical fields, and in particular to a kind of zoobenthos collector.
Background technology
Important monoid of the zoobenthos as the ecosystem is paid close attention to for ethologist always.It is numerous studies have shown that bottom
The animal that dwells plays important function in lake ecosystem.Zoobenthos can accelerate the decomposition of water-bed clast, in ecology
System substance is recycled and is played an important role in energy flow.Because zoobenthos moves in water bottom for a long time, what water body occurred
Variation, all directly affects their growth, breeding and survival, therefore, zoobenthos can definitely react the quality shape of water body
Condition becomes ideal natural tester.It is special as mini-Frac test gos deep into what unusual weather conditions and artificial disturbance were accordingly studied
It is not benthic copepods, researcher has found its Stress of Susceptibility to environment, and in recent years, mini-Frac test is as the ecosystem
The ideal instruction monoid of health evaluating, is commonly used to monitoring marine environment health status.In addition, mini-Frac test individual it is small,
Growth and breeding is fast, life cycle is short and field sampling is simple, particularly suitable for being used for detecting human driving pair in laboratory and scene
The pollution evaluation that aquatic ecosystem influences.
It is the base that mini-Frac test network analysis is unfolded and studies that mini-Frac test sample is detached from the elutriation in mud sample
The important content of the Benthic ecologies such as plinth and ocean lake research.In the wild in monitoring, zoobenthos usually uses the primary net of rope
Acquisition, is then charged into specimen bottle or specimen bag takes back laboratory sorting.Sample is existed from rope uncle's net loading specimen bottle and loses portion
The defect for dividing sample, increases experimental error, and the method is less efficient.
205378711 U of utility model patent CN disclose a kind of square mouth trawlnet of acquisition fresh water macrobenthos, packet
The rectangular frame and mesh bag of straight-tube shape are included, the exterior bottom of the rectangular frame is provided with shovel tongue, the opening pair of the mesh bag
It is connected to the inside opening of the rectangular frame；Two, the outside transverse sides of the rectangular frame are symmetrically arranged with a pair of of handle.
The patent is suitable for various soft, hard substrates and has adopting for the medium-and-large-sized zoobenthos sample in habitat of abundant aquatic vegetation distribution
Collection；The larger sample of the scopes of activities such as the Large scale individuals such as freshwater mussel and shrimp can effectively be captured.But the square mouth trawlnet of the utility model
It is only applicable to the acquisition of macrobenthos, smaller zoobenthos is inconvenient to acquire, and can not be by gatherer process
It is detached step by step according to sample size, to aggravate the working strength of late-run sample screening.
Invention content
In view of the deficiencies of the prior art, the utility model is by providing a kind of zoobenthos collector, the device operation side
Just, sample can be acquired and carry out elutriation separation, experimental error can be reduced, monitoring efficiency is improved, well adapt to now
Heavy monitoring task.
To achieve the above object, the technical solution of the utility model is a kind of zoobenthos collector, including straight-tube shape
Rectangular frame, the collection port as zoobenthos sample, the other end are connected in turn several outwardly for one end of the rectangular frame
A mesh bag detached step by step for sample, the mesh bag are by surrounding cylindric side net and being connected to the spacer screen of side sieve bottom
The bag shaped structure of the open-top of formation is detachably connected by slide fastener formation between each mesh bag；The outside of the rectangular frame
Bottom is given up equipped with metal slice, and the surface of the metal slice house is coated with erosion shield；The top of the rectangular frame is equipped on the other hand
Bar is held, the holding rod includes being fixedly connected with the fixed link for being rectangular frame top and being sheathed on flexible outside fixed link
Bar, the telescopic rod are equipped with limit hole, the bolt for the height for being useful for adjusting holding rod are screwed in the limit hole.
Preferably, the rectangular frame is detachably connected by slide fastener and mesh bag formation.
Further, the mesh of the side net only allows flow to pass through, and the mesh aperture of the spacer screen is sequentially reduced.
Further, the mesh bag is 2-4.
Preferably, the mesh bag is 3.
Preferably, the mesh bag is nylon net bag.
Preferably, the middle epimere of the telescopic rod is coated with non-slip rubber set.
Preferably, the left and right sides of the rectangular frame is installed with leader respectively.
With prior art ratio, the advantageous effects of the utility model：
The zoobenthos collector of the utility model can select the nylon wire different with spacer screen aperture is replaced as needed
Bag can acquire sample and to sample eluriate according to size and detach step by step, greatly reduce the work of artificial screening
Amount, it is thus also avoided that sample caused by sample collection transport process is lost, and reduces experimental error, improves monitoring efficiency, very
Good adaptation monitoring task heavy now.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Reference numeral：1, rectangular frame；2, side net；3, spacer screen；4, slide fastener；5, metal slice is given up；6, fixed link；7, it stretches
Bar；8, bolt；9, non-slip rubber set；10, handle.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of zoobenthos collector, include the rectangular frame 1 of straight-tube shape, the one of the rectangular frame 1
The collection port as zoobenthos sample outwardly is held, the other end is connected with 3 in turn and is used for the mesh bag that sample detaches step by step, described
Mesh bag end to end between be attached by slide fastener 4.The mesh bag is by surrounding cylindric side net 2 and being connected to side net 2
The bag shaped structure for the open-top that the spacer screen 3 of bottom is formed, in order to make whole mesh bags can dismounting and change, the rectangular frame
1 is detachably connected also by slide fastener 4 and the opening of mesh bag.The slide fastener 4 is nylon zipper or resin teeth zipper, with minister of defense
Phase uses is corroded by river water, lake water or seawater.The design of slide fastener 4, which not only facilitates to dismantle mesh bag, carries out sample collection,
It can also choose at random and replace as needed the nylon net bag of different sieve pores.
The mesh bag is nylon net bag, and the slide fastener 4 is located at around spacer screen 3.The mesh aperture pole of the side net 2
It is small, only flow is allowed to pass through, to prevent the zoobenthos that individual is smaller in sample from escaping or leaking out from mesh bag side.The bottom
The mesh aperture of net 3 is sequentially reduced, and the mesh bag connected along one end of rectangular frame 1 is starting, the mesh aperture difference of spacer screen 3
It it is 900 μm, 500 μm, 30 μm, for separation obtains 3 kinds of different size of mini-Frac test samples.
Outside (front end) bottom of the rectangular frame 1 is equipped with metal slice and gives up 5, and hardness can be such that collecting work is more prone to
It carries out.The place of putting the first edge on a knife or a pair of scissors of metal slice house 5 is smooth dull face, to prevent it is excessively sharp and to the zoobenthos body in sample
It is formed and is destroyed.The surface of the metal slice house 5 is coated with erosion shield, to prevent being used for a long time by river water, lake water
Or the erosion of seawater.The top of the rectangular frame 1 is equipped with a holding rod, and the holding rod includes being fixedly connected to be rectangle
The fixed link 6 on 1 top of frame and the telescopic rod 7 being sheathed on outside fixed link 6, the telescopic rod 7 are equipped with limit hole (in figure
Have been omitted from), by the way that bolt 8 is inserted into limit hole and screws the height of adjusting holding rod.The middle epimere of the telescopic rod 7 coats
There is non-slip rubber set 9, the surface of the non-slip rubber set 9 can bury equipped with graininess or scraggly decorative pattern, thus into
One step improves its frictional force and holds comfort level.The left and right sides of the rectangular frame 1 is installed with leader 10 respectively,
It is moved integrally to lift mesh bag after sampling.
When the utility model is used, the number of mesh bag is selected according to the rank of sample separation, according to target sampled population
Individual Size determine used in mesh bag 3 aperture of spacer screen, then mesh bag is sequentially connected from large to small according to 3 aperture of spacer screen
In the rear end of rectangular frame 1；It can be sampled after adjusting the height of holding rod according to individual differences, when sampling, in sample
For flowing water from the outflow of the side net 2 and spacer screen 3 of mesh bag to alleviator overall weight, zoobenthos in sample is big due to its body
It is small different respectively by the retention of mesh bag everywhere, and the sample less than 3 mesh of spacer screen of the mesh bag of rearmost end then directly leaks out；It is to be collected
After enough samples, operator may be selected to be poured into from the collection port of rectangular frame 1 with limpid seawater to rush sample
It washes (also can without rinse), scene or after taking back laboratory, unzips and 4 unload mesh bag at different levels respectively, receive respectively
The zoobenthos sample collected in different mesh bags is dispensed.
Embodiment 2
As different from Example 1, the mesh bag is 2, and the mesh bag connected along one end of rectangular frame 1 is starting,
The mesh aperture of spacer screen 3 is respectively 500 μm, 200 μm, for separation obtains two kinds of different size of mini-Frac test samples
Product.
Embodiment 3
As different from Example 1, the mesh bag is 4, and the mesh bag connected along one end of rectangular frame 1 is starting,
The mesh aperture of spacer screen 3 is respectively 900 μm, 600 μm, 100 μm, 10 μm, for 4 kinds of separation acquisition is different size of small-sized
Zoobenthos sample.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (8)
1. a kind of zoobenthos collector, includes the rectangular frame of straight-tube shape, one end of the rectangular frame is dwelt the bottom of as outwardly
The collection port of animal sample, it is characterised in that：The other end is connected with several in turn and is used for the mesh bag that sample detaches step by step, described
Mesh bag is by surrounding cylindric side net and being connected to the bag shaped structure for the open-top that the spacer screen of side sieve bottom is formed, each net
It is detachably connected by slide fastener formation between bag；The exterior bottom of the rectangular frame is given up equipped with metal slice, the metal slice house
Surface be coated with erosion shield；The top of the rectangular frame is equipped with a holding rod, and the holding rod includes being fixedly connected on
Fixed link in rectangular frame top and the telescopic rod that is sheathed on outside fixed link, the telescopic rod are equipped with limit hole, institute
State the bolt that the height for being useful for adjusting holding rod is screwed in limit hole.
2. zoobenthos collector according to claim 1, it is characterised in that：The rectangular frame passes through slide fastener and mesh bag
Formation is detachably connected.
3. zoobenthos collector according to claim 1, it is characterised in that：The mesh of the side net only allows flow logical
It crosses, the mesh aperture of the spacer screen is sequentially reduced.
4. zoobenthos collector according to claim 1, it is characterised in that：The mesh bag is 2-4.
5. zoobenthos collector according to claim 1, it is characterised in that：The mesh bag is 3.
6. zoobenthos collector according to claim 1, it is characterised in that：The mesh bag is nylon net bag.
7. zoobenthos collector according to claim 1, it is characterised in that：The middle epimere of the telescopic rod is coated with anti-
Sliding rubber sleeve.
8. according to claim 1-7 any one of them zoobenthos collectors, it is characterised in that：The left and right of the rectangular frame
Both sides are installed with leader respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209611.0U CN208030028U (en) | 2018-02-06 | 2018-02-06 | A kind of zoobenthos collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209611.0U CN208030028U (en) | 2018-02-06 | 2018-02-06 | A kind of zoobenthos collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208030028U true CN208030028U (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209611.0U Expired - Fee Related CN208030028U (en) | 2018-02-06 | 2018-02-06 | A kind of zoobenthos collector |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580287A (en) * | 2019-01-15 | 2019-04-05 | 中国水产科学研究院长江水产研究所 | A kind of water body littoral zone zoobenthos quantitative collection device |
| CN109845706A (en) * | 2019-01-30 | 2019-06-07 | 中国科学院东北地理与农业生态研究所 | It sweeps and scrapes formula marsh wetland aquatic invertebrate collector and its application method |
| CN111472337A (en) * | 2020-05-07 | 2020-07-31 | 无锡东方船研水环境科技有限公司 | Tool for raking benthic green algae in water body |
-
2018
- 2018-02-06 CN CN201820209611.0U patent/CN208030028U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580287A (en) * | 2019-01-15 | 2019-04-05 | 中国水产科学研究院长江水产研究所 | A kind of water body littoral zone zoobenthos quantitative collection device |
| CN109580287B (en) * | 2019-01-15 | 2024-03-15 | 中国水产科学研究院长江水产研究所 | Quantitative acquisition device for benthonic animals in coastal zone of water body |
| CN109845706A (en) * | 2019-01-30 | 2019-06-07 | 中国科学院东北地理与农业生态研究所 | It sweeps and scrapes formula marsh wetland aquatic invertebrate collector and its application method |
| CN109845706B (en) * | 2019-01-30 | 2024-02-20 | 中国科学院东北地理与农业生态研究所 | Sweeping and scraping type herbaceous marsh wetland aquatic invertebrate collector and application method thereof |
| CN111472337A (en) * | 2020-05-07 | 2020-07-31 | 无锡东方船研水环境科技有限公司 | Tool for raking benthic green algae in water body |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200206 |