CN208824982U - A kind of fish channel excessively of particular volume weight-normality lattice fish - Google Patents
A kind of fish channel excessively of particular volume weight-normality lattice fish Download PDFInfo
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- CN208824982U CN208824982U CN201821476373.6U CN201821476373U CN208824982U CN 208824982 U CN208824982 U CN 208824982U CN 201821476373 U CN201821476373 U CN 201821476373U CN 208824982 U CN208824982 U CN 208824982U
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- fish
- sieve
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- fish channel
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
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Abstract
A kind of particular volume weight-normality lattice fish provided by the utility model cross fish channel, including crossing fish channel, the sieve of fish channel both ends port was set by attachment device, sieve can open and close fish channel, when sieve sealed the opening in fish channel, sieve passes through fixation device and closely connect with fish channel excessively, guarantee that sieve was tightly secured on fish channel, the mesh of sieve is square, the side length of square is n, the side length n of square is calculated according to the fish specification of filtering and is determined, it is arranged such, the fish of target weight specification above and below can be distinguished, it can prevent the fish of goal standard or more from escaping, it can ensure that goal standard fish below passes freely through again, effectively realized the screening function that fish channel restricts driving to weight specification fish.In addition, the utility model has low in cost, easy-to-use, saving manpower, environmentally protective advantage.
Description
Technical field
The utility model relates to cross fish passage technology field, more specifically, being related to a kind of particular volume weight-normality lattice fish
Cross fish channel.
Background technique
In fish production, breeding type lake, reservoir or pond are frequently necessary to use fish channel, some links needed
Fish channel has the screening function to Fish weight-normality lattice.For example, carrying out " filling Jiang Namiao " to Tongjiang reservoir (pond) is protection
Fish biodiversity and clustering structural stability, the important ecological fishery measure increased economic efficiency.Fish reproduction season
Section, river, which carries a large amount of larva and juveniles and enters reservoir by fish channel, raises an infant growth, and fish channel was needed to have reasonable sieve at this time
Net size design, to realize, small dimension fish are freely accessible to the effect that cannot escape with specification fish big in lake outside reservoir.For another example,
At " recirculated water pond culture ", the water in pond is needed to remain circulation status, the inlet and outlet channel in pond will must assure that
Water flow passes freely through, and fish cannot flee in pond, and the screen mesh size for importing and exporting channel at this time will be according to fish specification in pond
And it designs.
The sieve design that fish channel is crossed in practice usually has larger blindness, if crossing the screen mesh size design in fish channel
Too intensive, channel will be easy to block and lost fish function, and screen mesh size is too sparse, then leads to the big specification of artificial breeding
Fish escape and cause economic loss.It needs to rely on fish channel also many come the application for screening fish specification in practice, but
Really be able to realize specific standard screening function it is fewer and fewer, even if having be also it is expensive, utilizability is poor.
Therefore, how to become according to Fish again specification requirement and Exact Design screen mesh size and restricted fish channel, guarantee
The stability of fish production is the technical problem of those skilled in the art's research.
Summary of the invention
Fish channel is crossed the purpose of this utility model is to provide a kind of particular volume weight-normality lattice fish, to solve existing mistake
The excessive or too small problem of fish channel mesh, so avoid sieve it is excessively intensive and the problem of lost fish function and big rule
The problem of lattice fish escape.
To achieve the above object, the utility model provides following technical scheme:
A kind of particular volume weight-normality lattice fish provided by the utility model cross fish channel, including cross fish channel, pass through connection
The sieve of the fish channel both ends port excessively is arranged in device, and the sieve can open and close the fish channel excessively, described
When crossing the port shutdown at the both ends in fish channel, the sieve is fixed on the fish channel excessively by fixation device, the sieve
Mesh be square, square side length, wherein a, b are constant, and c=L/h, L are fish mark
Quasi- body is long, and h is that fish standard body is high, and W is fish standard weight.
Preferably, the fixed device includes that at least one is fixed on the T-type rivet crossed on the outside of fish channel, at least one
A annular buckle for passing through the second shaft and being arranged on the sieve periphery, when sieve closing is described crosses fish channel, institute
It states T-type rivet to be inserted in the annular buckle, the tail portion of the T-type rivet is connect with described cross on the outside of fish channel, the T-type riveting
Block the annular buckle in the head of nail.
Preferably, the head of the T-type rivet is relative to the tail portion of the T-type rivet far from the sieve.
Preferably, the attachment device include be separately fixed at the sieve and it is described cross fish channel the first fixed frame,
Second fixed frame, first fixed frame and second fixed frame are respectively equipped with through-hole, and are equipped with described in confession in the through-hole
The first rotating shaft of sieve rotation.
Preferably, the through-hole of first fixed frame and second fixed frame passes through Stud connection.
It preferably, further include band hook rope rope, described band hook rope rope one end is connect with first fixed frame, and the other end is equipped with
Crotch, and the crotch can be connect with the sieve.
Preferably, the sieve is equipped with annular buckle, and when the sieve is opened, the crotch and the annular are buckled
Connection.
Preferably, first fixed frame, second fixed frame are fixed by welding in described cross outside fish channel respectively
On side, the sieve.
Preferably, the tail end of the T-type rivet is fixed by welding on the excircle for crossing fish channel.
Preferably, the material of the sieve is pvc material.
A kind of particular volume weight-normality lattice fish provided by the utility model cross fish channel, including cross fish channel including fish
Channel, the sieve that fish channel both ends port was arranged in by attachment device, sieve can open and close fish channel, sieve
When unlatching, sieve is arranged on crossing fish channel by attachment device, and when sieve sealed the opening in fish channel, sieve passes through fixation
Device is closely connect with fish channel excessively, guarantees that sieve was tightly secured on fish channel, the mesh of sieve is square, just
Rectangular side length is n, and square side length n is calculated according to the fish specification of filtering and determined, so set, can be by target weight
The fish of specification above and below distinguish, and can prevent the fish of goal standard or more from escaping and ensureing goal standard or less
Fish pass freely through, effectively realized the screening function that fish channel restricts driving to weight specification fish.In addition, the utility model has
It is low in cost, easy-to-use, saving manpower, environmentally protective advantage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is to show structures when fish channel is closed of crossing of particular volume weight-normality lattice fish a kind of according to an exemplary embodiment to show
It is intended to；
Fig. 2 is to show structures when fish channel is opened of crossing of particular volume weight-normality lattice fish a kind of according to an exemplary embodiment to show
It is intended to.
In figure: 1- band hook rope rope；The first fixed frame of 2-；3- crosses fish channel；4- first rotating shaft；The second fixed frame of 5-；6-T type
Rivet；7- annular buckle；The second shaft of 8-；9- sieve.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Present embodiment provides a kind of fish channel excessively of particular volume weight-normality lattice fish, and beneficial effect can be normal
The fish body of specification weight stayed in fish channel, make normal type specification it is less than normal continue to stay normal growth in water, guarantee fishing
The industry ecological balance.
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim
Utility model content rise any restriction effect.In addition, the full content of composition represented by following example is not limited to conduct
Necessary to the solution of utility model documented by claim.
- Fig. 2 referring to Fig.1, the utility model provides a kind of fish channel excessively of particular volume weight-normality lattice fish, including crosses fish and lead to
Road 3, the sieve 9 that 3 both ends port of fish channel was arranged in by attachment device, sieve 9 can open and close fish channel 3,
When sieve 9 is opened, sieve 9 is arranged on crossing fish channel 3 by attachment device, avoids the occurrence of the case where sieve 9 is fallen, sieve
9 when covering tightly the opening in fish channel 3, sieve 9 pass through fixed device it is fixed with cross fish channel 3 and be fixedly connected, guarantee the fastening of sieve 9
Ground was fixed on fish channel 3, and the mesh of sieve 9 is square, and square side length is n, and square side length n is according to filtering
Fish specification calculate determine, calculation method are as follows:
(1)
Formula (1) is the long relational expression with body high (or body is wide) of Fish, and L is fish standard length in formula, and h is fish mark
Quasi- body is high (or body is wide), i.e. the maximum length in the fish body longitudinal axis (or sagittal axis) direction, and c is constant.
(2)
Formula (2) is the long relational expression with weight of Fish, and W is fish standard weight in formula, and L is fish standard length,
A, b is constant.
By the long L of body of formula (1) enter formula (2) to get:
；Then
Since the sieve pore of sieve 9 is square, sieve pore is square the diagonal line of sieve pore for the out-of-date maximum distance of fish
Length.At this point, h is catercorner length, the side length of square net is then, it may be assumed that
(3)
In formula (3), n is then the side length of the square of sieve 9, and a, b, c are Changshu, can by Fish length, weight,
Actual measurement data fitting formula (1), the formula (2) of body height (body is wide) show that W is the fish critical weight for needing to filter.I.e.
Cross fish channel 3 limit weight be W(or more) fish cannot by when, the side length of 9 sieve pore of sieve should be not higher than n.It needs to refer to
Out, W and n has dimension, and unit corresponds to each other, for example, the unit of n is millimeter when the unit of W is gram.
Only need one end that can open if crossing fish channel 3, the other end is in long-term closed state, crosses fish channel
3 need the sieve 9 of long-term closing one end by welding or other modes be fixed on fish channel 3 can so that it is convenient to, fastly
It is prompt, secured.
Wherein, fixed device includes that at least one was fixed on that the T-type rivet 6 in 3 outside of fish channel, at least one is by the
Two shafts 8 be arranged on 9 periphery of sieve annular buckle 7, T-type rivet 6 be inserted in annular buckle 7 in, the tail portion of T-type rivet 6 with
It crosses on the outside of fish channel 3 and connects, the head of T-type rivet 6 can block the annular buckle 7 being arranged on sieve 9, guarantee 9 energy of sieve
Enough openings for firmly sealing fish channel 3, the tail portion of T-type rivet 6 are sharp parts, the head of T-type rivet 6 be by hammer or
The position that person's other parts tap.
Wherein, relative to the tail portion of T-type rivet 6 far from sieve 9, such 6 head of T-type rivet can on the head of T-type rivet 6
Clamping annular buckle 7, avoids sieve 9 from being in the presence of unclamping suddenly, is further ensured that sieve 9 firmly sealed fish channel 3
Port.
Wherein, attachment device includes the first fixed frame 2, the second fixed frame 5, and it is logical that the first fixed frame 2 was fixed at fish
On road 3, the second fixed frame 5 is arranged on sieve 9, and the first fixed frame 2 and the second fixed frame 5 are respectively equipped with through-hole, and in through-hole
Equipped with first rotating shaft 4, in this way, avoiding sieve 9 from being detached from fish channel 3 when sieve 9 is stirred along about 4 first rotating shaft.
The through-hole of another scheme, the first fixed frame 2 and the second fixed frame 5 is equipped with nut by Stud connection, stud,
So set, stud is prevented to be detached from through-hole, meanwhile, when sieve 9 or mistake fish channel 3 damage, easily disassembled replacement, section
It saves time, labour.
It further include band hook rope rope 1 in the present embodiment, band 1 one end of hook rope rope is connect with the first fixed frame 2, and the other end is equipped with
Crotch, and crotch can be connect with sieve 9, meanwhile, band hook rope rope 1 can adjustment length according to the actual situation, and then guaranteed fish
The section in channel 3 and the angle of sieve 9 are greater than 90 degree, and such fish channel 3 of crossing avoids sieve 9 from influencing work at open state.
The another way of the present embodiment, sieve 9 are equipped with annular buckle 7, when sieve 9 is opened, crotch and annular snap
7 connection of button, avoids crotch from destroying sieve 9, extends the service life of sieve 9.
First fixed frame 2, the second fixed frame 5 were fixed by welding in the outside in fish channel 3, on sieve 9 respectively, guaranteed
The outside in fish channel 3 was firmly arranged in, on sieve 9 in first fixed frame 2, the second fixed frame 5.
The tail end of T-type rivet 6 is fixed by welding on the excircle for crossing fish channel 3, so set, T-type rivet 6
It is combined as a whole with fish channel 3 is crossed, T-type rivet 6 is avoided to fall off.
The material of sieve 9 is preferably pvc material, there is preferable mechanical performance, tensile strength 60MPa or so, impact
5~10kJ/m2 of intensity；Pvc material is very hard, and dissolubility is also very poor, can only be dissolved in cyclohexanone, dichloroethanes and tetrahydro
It is stable to organic and inorganic acid, alkali, salt in the minority solvent such as furans, so set, sieve 9 is in water with good steady
It is qualitative, it is not easy by the substance decomposition in water.
When the utility model passes through the limitation of the fish of particular volume weight-normality lattice, firstly, will cross fish channel 3 be placed in lake (or
Pond) under embankment, it is connected to outside body of water, below the water surface.Then the sieve 9 designed according to Fish weight-normality lattice is installed
In on the first fixed frame 2 for crossing fish channel 3, and it is bonded sieve 9 and pipeline opening；Again by the annular buckle 7 of 9 left and right sides of sieve
It is respectively fitted on the T-shape rivet of pipeline two sides.Under the unimpeded environment of water flow, fish more than target weight specification will be limited
System, it is below to pass freely through.When not needing to limit fish specification, first by the annular buckle 7 on sieve 9
It overcomes difficulties from the T-shape rivet for crossing fish channel 3, then sieve 9 is started, and rotated along first rotating shaft 4；Then with two hook ropes
Rope respectively hooks the annular buckle 7 on sieve 9, makes pipeline in " unlatching " state.So set, mistake provided by the utility model
The restricted driving to particular volume weight-normality lattice fish may be implemented in fish channel 3, can be quickly converted to limitation and unrestricted state, while the reality
It is environmentally protective with novel low in cost, saving manpower, fish channel 3 was improved to the screening efficiency of Fish weight-normality lattice.
It should be noted that the words such as " first " " second " for being stated herein, are not the limitations to specific order, only
It is only intended to distinguish all parts or function, the "upper" "lower" stated herein is according to described under this state of Fig. 1.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of particular volume weight-normality lattice fish cross fish channel, which is characterized in that including crossing fish channel (3), passing through attachment device
Sieve (9) in described fish channel (3) both ends port excessively is set, and the sieve (9) can open and close the fish channel excessively
(3), when the port shutdown at the both ends of fish channel (3) excessively, the sieve (9) is fixed on the fish excessively by fixed device and leads to
On road (3), the mesh of the sieve (9) is square, square side length, wherein a, b are normal
Number, c=L/h, L are fish standard length, and h is that fish standard body is high, and W is fish standard weight.
2. particular volume weight-normality lattice fish according to claim 1 cross fish channel, which is characterized in that the fixed device packet
Include at least one be fixed on it is described cross fish channel (3) outside T-type rivet (6), at least one by the second shaft (8) setting
Annular buckle (7) on the sieve (9) periphery, when the sieve (9) closing is described crosses fish channel (3), the T-type riveting
Nail (6) is inserted in the annular buckle (7), and the tail portion of the T-type rivet (6) is connect with described cross on the outside of fish channel (3), described
Block the annular buckle (7) in the head of T-type rivet (6).
3. particular volume weight-normality lattice fish according to claim 2 cross fish channel, which is characterized in that the T-type rivet (6)
Head relative to the T-type rivet (6) tail portion far from the sieve (9).
4. particular volume weight-normality lattice fish according to claim 1 cross fish channel, which is characterized in that the attachment device packet
It includes and is separately fixed at the sieve (9) and the first fixed frame (2), second fixed frame (5) for crossing fish channel (3), described the
One fixed frame (2) and second fixed frame (5) are respectively equipped with through-hole, and are equipped in the through-hole and rotate for the sieve (9)
First rotating shaft (4).
5. particular volume weight-normality lattice fish according to claim 4 cross fish channel, which is characterized in that first fixed frame
(2) pass through Stud connection with the through-hole of second fixed frame (5).
6. particular volume weight-normality lattice fish according to claim 4 cross fish channel, which is characterized in that further include band hook rope rope
(1), one end of the band hook rope rope (1) is connect with first fixed frame (2), and the other end is equipped with crotch, and the crotch energy
It is enough to be connect with the sieve (9).
7. particular volume weight-normality lattice fish according to claim 6 cross fish channel, which is characterized in that on the sieve (9)
(7) are buckled equipped with annular, when the sieve (9) are opened, the crotch can be connect with the annular buckle (7).
8. particular volume weight-normality lattice fish according to claim 5 cross fish channel, which is characterized in that first fixed frame
(2), second fixed frame (5) is fixed by welding in described cross on the outside of fish channel (3), on the sieve (9) respectively.
9. particular volume weight-normality lattice fish according to claim 2 cross fish channel, which is characterized in that the T-type rivet (6)
Tail end be fixed by welding in it is described cross fish channel (3) excircle on.
10. particular volume weight-normality lattice fish according to claim 1 cross fish channel, which is characterized in that the sieve (9)
Material is pvc material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476373.6U CN208824982U (en) | 2018-09-10 | 2018-09-10 | A kind of fish channel excessively of particular volume weight-normality lattice fish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476373.6U CN208824982U (en) | 2018-09-10 | 2018-09-10 | A kind of fish channel excessively of particular volume weight-normality lattice fish |
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| CN208824982U true CN208824982U (en) | 2019-05-07 |
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| CN201821476373.6U Active CN208824982U (en) | 2018-09-10 | 2018-09-10 | A kind of fish channel excessively of particular volume weight-normality lattice fish |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882911A (en) * | 2018-09-10 | 2020-03-17 | 中国水产科学研究院淡水渔业研究中心 | Fish passing channel for fishes with specific weight specifications |
-
2018
- 2018-09-10 CN CN201821476373.6U patent/CN208824982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882911A (en) * | 2018-09-10 | 2020-03-17 | 中国水产科学研究院淡水渔业研究中心 | Fish passing channel for fishes with specific weight specifications |
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