CN109287582B - Combined plankton collecting device - Google Patents

Combined plankton collecting device Download PDF

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Publication number
CN109287582B
CN109287582B CN201811475448.3A CN201811475448A CN109287582B CN 109287582 B CN109287582 B CN 109287582B CN 201811475448 A CN201811475448 A CN 201811475448A CN 109287582 B CN109287582 B CN 109287582B
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CN
China
Prior art keywords
rods
support
plankton
connecting plate
supporting ring
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CN201811475448.3A
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Chinese (zh)
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CN109287582A (en
Inventor
胡莲
沈振锋
郑志伟
史方
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Huazhong Agricultural University
Institute of Hydroecology MWR and CAS
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Huazhong Agricultural University
Institute of Hydroecology MWR and CAS
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Application filed by Huazhong Agricultural University, Institute of Hydroecology MWR and CAS filed Critical Huazhong Agricultural University
Priority to CN201811475448.3A priority Critical patent/CN109287582B/en
Publication of CN109287582A publication Critical patent/CN109287582A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K80/00Harvesting oysters, mussels, sponges or the like
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D44/00Harvesting of underwater plants, e.g. harvesting of seaweed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a combined type plankton collecting device which comprises a plankton net, sample collecting pipes, a connecting mechanism, a supporting mechanism, a telescopic rod and a rotating mechanism, wherein the plankton net comprises a first supporting ring and a plankton net clothing, the plankton net comprises a second supporting ring and a plankton net clothing, the plankton net clothing and the plankton net clothing are respectively connected with the two sample collecting pipes, the connecting mechanism comprises an ear plate and a middle connecting plate, the middle connecting plate is horizontally arranged, one side of the ear plate is symmetrically connected with two opposite sides of the middle connecting plate, the other opposite sides of the two ear plates are symmetrically and fixedly arranged on the first supporting ring and the second supporting ring, the two ear plates, the first supporting ring and the second supporting ring are all arranged on the same plane, the lower end of the telescopic rod is connected with the center of the middle connecting plate through the rotating mechanism, and the two ear plates are fixedly connected with the middle connecting plate through the supporting mechanism. The device simple structure, design benefit easily carries, is fit for being used for the monitoring of open-air aquatic organism.

Description

Combined plankton collecting device
Technical Field
The invention relates to the technical field of ecological environment monitoring, in particular to a combined plankton collecting device.
Background
Along with the development of social economy, the ecological environment problem is raised, the ecological environment is protected, the focus of attention of all countries in the world is achieved, and the method is also a necessary choice for realizing scientific development view and promoting ecological civilization construction in deep implementation of China. Ecological environment monitoring is an essential basic work for environmental protection, and the content of ecological environment monitoring mainly comprises physical indexes, chemical indexes and aquatic organism monitoring.
One of the important tools that must be used for monitoring aquatic organisms is a plankton net (comprising a plankton net and a plankton net), the plankton net and the plankton net used in the market at present are independent, the design is simple, the joint of the plankton net and a sample collecting pipe and a steel ring is designed to be fixedly connected, the inventor finds that the most vulnerable place of the plankton net is the joint of the plankton net and the sample collecting pipe in the actual use process, when the joint is damaged, the on-site remediation of the whole plankton net is difficult, the field monitoring effect is seriously affected, in addition, the joint of the plankton net and the steel ring and the sample collecting pipe is fixedly connected, when the plankton net is damaged, the whole plankton device is abandoned, the resource waste is caused, no supporting rod is arranged, the bamboo rod or the wood rod cannot be found out sometimes in the field monitoring process, and the monitoring work is inconvenient.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a combined plankton collecting device which is simple in structure, ingenious in design, detachable, foldable, easy to carry and suitable for monitoring field aquatic organisms.
The technical scheme adopted for achieving the purposes of the invention is as follows:
the utility model provides a combination formula plankton collection system, including the plankton net, plankton net and two sample collecting pipes, the plankton net includes first back-up collar and plankton net, the plankton net includes second back-up collar and plankton net, plankton net and plankton net export are connected with two sample collecting pipes respectively, still include coupling mechanism, supporting mechanism, telescopic link and rotary mechanism, coupling mechanism includes otic placode and intermediate junction board, intermediate junction board level sets up, one side symmetry of otic placode is connected in the opposite both sides of intermediate junction board, the other opposite side symmetry fixed mounting of two otic placodes is on first back-up collar and second back-up collar, two otic placodes, first back-up collar and second back-up collar are all on same plane, the lower extreme of telescopic link is through rotary mechanism and intermediate junction board central authorities connection, and the telescopic link is rotatable, plankton net and plankton net symmetric distribution are in the both sides of the rotator that the telescopic link was rotatory formed, two otic placodes pass through supporting mechanism and intermediate junction board fixed connection, and supporting mechanism can dismantle folding.
The supporting mechanism comprises a supporting vertical plate, supporting rods and supporting transverse plates, wherein the middle connecting plate and the supporting vertical plate are square, the top edge of the supporting vertical plate is fixedly connected with the middle position of the bottom surface of the middle connecting plate, the supporting rods and the supporting transverse plates are two, one ends of the two supporting rods are symmetrically hinged to the bottoms of two side walls in the width direction of the supporting vertical plate, the other ends of the two supporting rods are fixedly connected with the two supporting transverse plates respectively, the two supporting transverse plates are located under the two lug plates respectively, the two supporting transverse plates are in contact with the two lug plates respectively, and the two supporting transverse plates and the two lug plates are connected through bolts respectively.
The otic placode be square, arc wall has been seted up respectively to two otic placode length direction's one edge, and two otic placode length direction's another border passes through hinge connection with intermediate junction plate width direction's both sides edge, first holding ring and second holding ring respectively with two arc wall fixed connection.
The rotary mechanism comprises a fixed seat, a rotary shaft, a sleeve and limiting bolts, wherein the two limiting bolts and the fixed seat are arranged, the fixed seat is provided with a round hole and a threaded hole, the threaded hole is positioned on one side of the round hole, the threaded hole is communicated with the round hole, the two fixed seats are symmetrically fixed on the top surface of the middle connecting plate, the two ends of the rotary shaft respectively penetrate through the two round holes, the rotary shaft is respectively in clearance fit with the two round holes, the sleeve is fixedly sleeved on the rotary shaft, the rotary shaft and the sleeve are respectively positioned right above the middle connecting plate, the rotary shaft is parallel to the middle connecting plate, the two limiting bolts are respectively in threaded connection with the two fixed seats, the rotary shaft is fixed through the two limiting bolts, and the lower end of the telescopic rod is fixed with the sleeve.
The telescopic rod comprises a connecting rod, single-section rods and a handle rod, wherein the single-section rods are hollow rods, one end of each single-section rod is provided with internal threads, the other end of each single-section rod is provided with external threads, the lower end of the connecting rod is fixedly connected with the sleeve, the lower end of the lowest single-section rod is in threaded connection with the upper end of the connecting rod, the adjacent single-section rods are in threaded connection, and the upper end of the uppermost single-section rod is in threaded connection with the lower end of the handle rod.
Still include stay cord mechanism, stay cord mechanism includes stay cord and rings, and stay cord and rings all have two, and two rings symmetrical connection are fixed in on first holding ring and the second holding ring, and rings and otic placode that are connected with first holding ring are connected with the same radial both sides of first holding ring respectively, and rings and otic placode that are connected with the second holding ring are connected with the same radial both sides of second holding ring respectively, and the one end of two stay cords is connected with two rings respectively.
The first support ring is connected with the phytoplankton netting through an annular nylon fastener tape, and the second support ring is connected with the phytoplankton netting through an annular nylon fastener tape.
The phytoplankton netting and the zooplankton netting outlet are respectively connected with the interfaces of the two sample collecting pipes through annular hoops.
Compared with the prior art, the invention has the following beneficial effects and advantages:
1. the device simple structure, design benefit, similar to the structure of bow tie, can dismantle and fold, portable is fit for scientific research personnel and is used for aquatic organism's monitoring in the field.
2. The device has designed supporting mechanism, because both lugs are articulated with the intermediate junction board, and both lugs are rotatable, in-process at pulling whole device collection plankton sample in the aquatic, if not fixed both lugs, the resistance of water can fold plankton net and plankton net, can't gather plankton sample, fixes both lugs through supporting mechanism, makes plankton net and plankton net fully expand, and supporting mechanism can dismantle folding moreover, and the installation is very convenient with dismantling.
3. The device has designed the telescopic link, can adjust the length of telescopic link according to the actual conditions on site, has designed rotary mechanism in telescopic link and intermediate junction board junction moreover for contained angle between telescopic link and the intermediate junction board can be adjusted, satisfies the various demands of monitoring scene.
4. The zooplankton net and the zooplankton net of the device are designed into detachable structures, the supporting ring and the net are connected through the annular nylon buckles, the damaged net is replaced conveniently, the whole device is prevented from being scrapped due to the damage of the zooplankton net and/or the zooplankton net, the cost is saved, and the monitoring efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a combined plankton collection device.
Fig. 2 is a schematic structural view of the telescopic rod.
Fig. 3 is an assembly view of the connection mechanism, the support mechanism, and the rotation mechanism (with two connection rings removed).
Fig. 4 is a schematic structural view of the rotating mechanism.
Wherein, the liquid crystal display device comprises a liquid crystal display device, 1-phytoplankton netting, 2-zooplankton netting, 3-sample collecting pipe, 4-otic placode, 5-hinge, 6-intermediate junction plate, 7-first holding ring, 8-telescopic link, 9-nylon fastener, 10-annular clamp, 11-stay cord, 12-rings, 13-supporting riser, 14-bracing piece, 15-supporting diaphragm, 16-fixing base, 17-rotation axis, 18-sleeve, 19-limit bolt, 20-arc wall, 21-connecting rod, 22-single-section pole, 23-handle pole, 24-second holding ring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The structure of the combined plankton collecting device provided by the invention is shown in figure 1, and the combined plankton collecting device comprises a plankton net, a sample collecting pipe 3, a connecting mechanism, a supporting mechanism, a telescopic rod, a rotating mechanism and a pull rope mechanism.
The plankton net comprises a first support ring 7 and a plankton net 1, and the plankton net comprises a second support ring 24 and a plankton net 2. The first support ring 7 is connected with the phytoplankton netting 1 through an annular nylon fastener tape 9, and the second support ring 24 is connected with the phytoplankton netting 2 through the annular nylon fastener tape 9. When the phytoplankton netting and/or the zooplankton netting are damaged, the phytoplankton netting and/or the zooplankton netting can be directly replaced without scrapping the whole device.
The sample collecting pipes 2 are two, the sample collecting pipes 2 are thick pipes at the upper part and thin pipes at the lower part, a valve is arranged at the joint of the thick part and the thin part, the thick part is used for collecting plankton samples, and the sample collecting pipes 2 are made of organic glass materials. The outlet of the phytoplankton netting 1 and the outlet of the zooplankton netting 2 are respectively connected with the interfaces of the two sample collecting pipes through annular hoops 10. When the interface department of sample collecting pipe damages, can open annular clamp, move up sample collecting pipe interface suitable to sample collecting pipe carries out the reutilization, save time and cost, improves monitoring efficiency.
As shown in fig. 1 and 3, the connecting mechanism includes two ear plates 4 and an intermediate connecting plate 6. The middle connecting plate 6 and the ear plate 4 are square, and arc grooves 20 are respectively formed in one edge of the ear plate 4 in the length direction. The middle connecting plate 6 is horizontally arranged, and the other edges of the two lug plates 4 in the length direction are symmetrically connected with the two edges of the middle connecting plate 6 in the width direction through hinges 5. The first support ring 7 and the second support ring 24 are symmetrically and fixedly connected with the two arc-shaped grooves 20, and the two ear plates 4, the first support ring 7 and the second support ring 24 are all on the same plane. Because both the two ear plates 4 are hinged with the middle connecting plate 6, the two ear plates 4 can be folded inwards, so that the integral structure formed by connecting the ear plates 4 with the first support ring 7 or the second support ring 24 is foldable, and a foundation is laid for the folding of the whole device.
As shown in fig. 3, the support mechanism includes a support riser 13, a support bar 14, and a support cross plate 15. The support vertical plate 13 is square, the top edge of the support vertical plate 13 is fixedly connected with the middle position of the bottom surface of the middle connecting plate 6, two support rods 14 and two support transverse plates 15 are arranged, one ends of the two support rods 14 are symmetrically hinged to the bottoms of the two side walls in the width direction of the support vertical plate 13, and the other ends of the two support rods 14 are respectively fixedly connected with the two support transverse plates 15. The two supporting transverse plates 15 are respectively located under the two ear plates 4, the two supporting transverse plates 15 are respectively contacted with the two ear plates 4, and the two supporting transverse plates 15 and the two ear plates 4 are respectively connected through bolts.
Because two otic placodes are articulated with the intermediate junction board, the in-process of plankton sample is gathered to whole device in water, and the resistance of water can fold up plankton net and plankton net, can't gather plankton sample. The supporting mechanism solves the problems, the two supporting transverse plates are respectively supported by the two supporting rods and are fixed with the two lug plates through bolts, so that the two lug plates are fixed, when plankton samples are collected, the bolts for connecting the supporting transverse plates with the lug plates are unscrewed, and the supporting rods are hinged with the supporting vertical plates, so that the two supporting rods are foldable.
As shown in fig. 2, the telescopic rod is composed of a connecting rod 21, a single-section rod 22 and a handle rod 23, wherein the single-section rod 22 is a hollow rod, one end of the single-section rod 22 is provided with an internal thread, and the other end is provided with an external thread. The lower end of the lowermost single-section rod 22 is in threaded connection with the upper end of the connecting rod 21, the adjacent single-section rods 22 are in threaded connection, and the upper end of the uppermost single-section rod 22 is in threaded connection with the lower end of the handle rod 23. The length of the telescopic rod can be adjusted by increasing or reducing the number of the single-section rods, and the telescopic rod is provided with a handle rod, so that the telescopic rod has an anti-skid effect.
As shown in fig. 4, the rotation mechanism includes a fixed seat 16, a rotation shaft 17, a sleeve 18, and a limit bolt 19, and two limit bolts 19 and fixed seats 16 are provided. The fixing seat 16 is provided with a round hole and a threaded hole, the threaded hole is positioned on one side of the round hole, and the threaded hole is communicated with the round hole. The two fixing seats 16 are symmetrically fixed on the top surface of the middle connecting plate 6, two ends of the rotating shaft 17 respectively penetrate through the two round holes, and the rotating shaft 17 is respectively in clearance fit with the two round holes. The sleeve 18 is fixedly sleeved at the middle position of the rotating shaft 17, the rotating shaft 17 and the sleeve 18 are respectively positioned right above the middle connecting plate 6, and the rotating shaft 17 is parallel to the middle connecting plate 6. The two limit bolts 19 are respectively in threaded connection with the two fixing seats 16, and the rotating shaft 17 is fixed through the two limit bolts.
The lower end of the connecting rod 21 is fixedly connected with the sleeve 18, the telescopic rod 8 is rotatable, and the included angle between the telescopic rod 8 and the middle connecting plate 6 is adjusted. The zooplankton net 1 and the zooplankton net 2 are symmetrically distributed on two sides of a rotating body formed by the rotation of the telescopic rod 8. When the included angle between the telescopic rod and the middle connecting plate needs to be adjusted, the limiting bolts are unscrewed, the telescopic rod is rotated to a proper position, the two limiting bolts are screwed again, and the rotating shaft is fixed through the limiting bolts.
The stay cord mechanism comprises a stay cord 11 and a hanging ring 12, and the stay cord 11 and the hanging ring 12 are two. The two hanging rings 11 are symmetrically connected and fixed on the two connecting rings 7, and the hanging ring 12 and the lug plate 4 connected with the same connecting ring 7 are respectively connected with the two radial sides of the connecting ring 7. One end of each pull rope 11 is connected with each hanging ring 12. When collecting the plankton sample of the slower department of waters rivers, the resistance of water is less, can pull two stay cords with the hand and pull two connector rings, avoids the resistance of water can fold plankton net and plankton net, and when collecting the plankton sample of the relatively urgent department of waters rivers, accessible supporting mechanism fixes two otic placodes, avoids the resistance of water can fold plankton net and plankton net.

Claims (6)

1. The utility model provides a combination formula plankton collection system, includes plankton net, plankton net and two sample collecting pipes, and the plankton net includes first back up collar and plankton net, and the plankton net includes second back up collar and plankton net, and plankton net export are connected with two sample collecting pipes respectively, its characterized in that: the telescopic device comprises a connecting mechanism, a supporting mechanism, a telescopic rod and a rotating mechanism, wherein the connecting mechanism comprises an ear plate and a middle connecting plate, the middle connecting plate is horizontally arranged, one side of the ear plate is symmetrically connected to two opposite sides of the middle connecting plate, the other opposite sides of the two ear plates are symmetrically and fixedly arranged on a first supporting ring and a second supporting ring, the two ear plates, the first supporting ring and the second supporting ring are all on the same plane, the telescopic rod is rotatable, and phytoplankton nets and zooplankton nets are symmetrically distributed on two sides of the telescopic rod;
the support mechanism is detachable and foldable and comprises a support vertical plate, support rods and support transverse plates, wherein the middle connecting plate and the support vertical plate are square, the top edge of the support vertical plate is fixedly connected with the middle position of the bottom surface of the middle connecting plate, the support rods and the support transverse plates are two, one ends of the two support rods are symmetrically hinged to the bottoms of the two side walls in the width direction of the support vertical plate, the other ends of the two support rods are respectively and fixedly connected with the two support transverse plates, the two support transverse plates are respectively positioned under the two lug plates, the two support transverse plates are respectively contacted with the two lug plates, and the two support transverse plates and the two lug plates are respectively connected through bolts;
the rotary mechanism comprises a fixed seat, a rotary shaft, a sleeve and limiting bolts, wherein the two limiting bolts and the fixed seat are arranged, the fixed seat is provided with a round hole and a threaded hole, the threaded hole is positioned on one side of the round hole, the threaded hole is communicated with the round hole, the two fixed seats are symmetrically fixed on the top surface of the middle connecting plate, the two ends of the rotary shaft respectively penetrate through the two round holes, the rotary shaft is respectively in clearance fit with the two round holes, the sleeve is fixedly sleeved on the rotary shaft, the rotary shaft and the sleeve are respectively positioned right above the middle connecting plate, the rotary shaft is parallel to the middle connecting plate, the two limiting bolts are respectively in threaded connection with the two fixed seats, the rotary shaft is fixed through the two limiting bolts, and the lower end of the telescopic rod is fixed with the sleeve.
2. The device of claim 1, wherein the ear plates are square, arc grooves are formed in one edges of the two ear plates in the length direction, the other edges of the two ear plates in the length direction are connected with the two edges of the middle connecting plate in the width direction through hinges, and the first support ring and the second support ring are fixedly connected with the two arc grooves respectively.
3. The device of claim 1, wherein the telescopic rod comprises a plurality of connecting rods, single-section rods and handle rods, the single-section rods are hollow rods, one ends of the single-section rods are provided with internal threads, the other ends of the single-section rods are provided with external threads, the lower ends of the connecting rods are fixedly connected with the sleeves, the lower ends of the bottommost single-section rods are in threaded connection with the upper ends of the connecting rods, the adjacent single-section rods are in threaded connection, and the upper ends of the uppermost single-section rods are in threaded connection with the lower ends of the handle rods.
4. The device of claim 1, further comprising a pull rope mechanism, wherein the pull rope mechanism comprises a pull rope and two lifting rings, the two lifting rings are symmetrically connected and fixed on the first supporting ring and the second supporting ring, the lifting rings and the lug plates connected with the first supporting ring are respectively connected with two radial sides of the first supporting ring, the lifting rings and the lug plates connected with the second supporting ring are respectively connected with two radial sides of the second supporting ring, and one ends of the two pull ropes are respectively connected with the two lifting rings.
5. A combined plankton harvesting device according to claim 1, wherein: the first support ring is connected with the phytoplankton netting through an annular nylon fastener tape, and the second support ring is connected with the phytoplankton netting through an annular nylon fastener tape.
6. A combined plankton harvesting device according to claim 1, wherein: the phytoplankton net outlet and the zooplankton net outlet are respectively connected with the interfaces of the two sample collecting pipes through annular hoops.
CN201811475448.3A 2018-12-04 2018-12-04 Combined plankton collecting device Active CN109287582B (en)

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Application Number Priority Date Filing Date Title
CN201811475448.3A CN109287582B (en) 2018-12-04 2018-12-04 Combined plankton collecting device

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Application Number Priority Date Filing Date Title
CN201811475448.3A CN109287582B (en) 2018-12-04 2018-12-04 Combined plankton collecting device

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CN109287582A CN109287582A (en) 2019-02-01
CN109287582B true CN109287582B (en) 2023-07-21

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Publication number Priority date Publication date Assignee Title
CN114246163B (en) * 2021-12-20 2023-01-17 集美大学 Automatic fishing device of leisure fishery of electronic information management

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* Cited by examiner, † Cited by third party
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US4399629A (en) * 1981-03-05 1983-08-23 The United States Of America As Represented By The United States Department Of Energy Collecting apparatus
CN201378116Y (en) * 2009-04-14 2010-01-06 中国水产科学研究院东海水产研究所 Plankton sampling net
CN207266572U (en) * 2017-07-14 2018-04-24 广州宾申科学仪器有限公司 A kind of plankton sampler
CN107371584A (en) * 2017-09-12 2017-11-24 陈亮 A kind of plankton sampler

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