CN209429072U - Fish pass inlet device and the fish pass makeup of the imports - Google Patents
Fish pass inlet device and the fish pass makeup of the imports Download PDFInfo
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- CN209429072U CN209429072U CN201821927083.9U CN201821927083U CN209429072U CN 209429072 U CN209429072 U CN 209429072U CN 201821927083 U CN201821927083 U CN 201821927083U CN 209429072 U CN209429072 U CN 209429072U
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- fish pass
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- inlet device
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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
The utility model belongs to waterwork facility field, specifically discloses a kind of fish pass inlet device that can adapt to different SEA LEVEL VARIATIONs, and the fish pass makeup of the imports including above-mentioned fish pass inlet device.Fish pass inlet device, including apparatus main body and the floating drum being arranged on apparatus main body;It is respectively arranged with flexible connection mouth and fish inlet on the both ends of apparatus main body, is provided with water pump in floating drum.Flexible connection mouth is provided on the apparatus main body of the fish pass inlet device, the freedom of motion that can guarantee apparatus main body is connect with fish pass downstream by flexible connection mouth, the floating drum with water pump is provided on apparatus main body simultaneously, it is aspirated by water pump into floating drum or pump drainage water can increase or the weight of alleviator main body to outside floating drum, therefore it can be realized fish pass inlet device to float up and down in river, to adapt to block the SEA LEVEL VARIATION in water buildings downstream, guarantee under different water levels that fish inlet has draft appropriate, meets fish pass under different water levels into fish demand.
Description
Technical field
The utility model belongs to waterwork facility field, and in particular to a kind of fish pass inlet device and fish pass import knot
Structure.
Background technique
The construction of the hydraulic structures such as dam, weir, sluice causes barrier to influence the fish in river with migration habit.
According to relevant regulations, fish pass structure should be built when the hydraulic structures such as gate dam are built in aquatile migration channel, help fish
Cross dam.Fish pass is the effective engineering measure for restoring fish migration channel, and vertical seam type fish channel is wherein most commonly seen one kind.It is perpendicular
Seam fish pass, which is usually placed in, to be blocked on the riverbank of water buildings downstream.Part hydroelectric project reservoir is daily regulation reservoir, power station power generation
It may need to undertake a day peak task, it is usually larger that this results in blocking water buildings level of tail water luffing, but existing fish pass is suitable
It answers the ability of SEA LEVEL VARIATION poor, is unfavorable for fish migration.
Currently, multiple fish inlets are usually arranged on fish pass, fitted in such a way that different height fish inlet switches each other
Dramatically changing for the water buildings level of tail water should be blocked.Although fish gathering efficiency can be improved in the setting of multiple fish inlets, but work as downstream water
When position frequently changes, the operational management bring for being switched to fish pass of multiple fish inlets is difficult, while also increasing preliminary engineering
The maintenance cost of cost of investment and the post facility operation of construction.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of fish pass import dresses that can adapt to different SEA LEVEL VARIATIONs
It sets.
The technical scheme adopted by the utility model to solve the technical problem is as follows: fish pass inlet device, including apparatus main body
And the floating drum on apparatus main body is set;Flexible connection mouth and fish inlet, institute are respectively arranged on the both ends of described device main body
It states flexible connection mouth and fish inlet is connected to the inner cavity of apparatus main body;It is provided with water pump in the floating drum, is set on the water pump
It is equipped with exhaust pipe, the free end of the exhaust pipe is in outside floating drum.
Further, the flexible connection mouth includes bellows and the stainless steel being arranged on bellows both ends connection
Portion, the bellows are connected by the stainless steel interconnecting piece in one end with apparatus main body.
Further, the bellows is made of rubber or glass reinforced plastic.
Further, the fish inlet is tapered, and it is connected by its big opening end with apparatus main body.
Further, the floating drum is two, and it is separately positioned on the two sides of apparatus main body.
Further, the water pump is immersible pump.
Further, the fish pass inlet device further includes controller and the liquid level detector that is arranged in apparatus main body,
The liquid level detector and water pump are electrically connected with the controller respectively.
Further, the liquid level detector is liquidometer.
The utility model additionally provides a kind of convenient operational management and construction and the lower fish pass makeup of the imports of maintenance cost,
Including fish pass and any one above-mentioned fish pass inlet device;The fish pass inlet device passes through under flexible connection mouth and fish pass
Swim end connection.
Further, being provided with unhurried current part on two medial surfaces of the fish pass, and on two medial surfaces of fish pass
Unhurried current part misses one another.
The beneficial effects of the utility model are: being provided with flexible connection mouth on the apparatus main body of the fish pass inlet device, lead to
It crosses flexible connection mouth and connect the freedom of motion that can guarantee apparatus main body with fish pass downstream, while being arranged on apparatus main body
There is the floating drum with water pump, is aspirated by water pump into floating drum or pump drainage water can increase or the weight of alleviator main body to outside floating drum
Amount, therefore can be realized fish pass inlet device and float up and down in river, to adapt to block the SEA LEVEL VARIATION in water buildings downstream, protect
Demonstrate,proving under different water levels fish inlet has draft appropriate, meets fish pass under different water levels into fish demand.The fish pass import
Structure is provided with above-mentioned fish pass inlet device in fish pass downstream, is blocking the larger situation of water buildings level of tail water luffing
Under, by carrying out corresponding draft adjusting, fish pass under different water levels can be met into fish demand, no setting is required it is multiple not
Level fish inlet, simplifies the operation and management mode of fish pass, and has saved construction and maintenance cost.
Detailed description of the invention
Fig. 1 is the implementation structural schematic diagram of fish pass inlet device in the utility model;
Fig. 2 is the top view of the fish pass makeup of the imports in the utility model;
Fig. 3 is the side view of the fish pass makeup of the imports in the utility model;
Fig. 4 is the sinking working state schematic representation of the fish pass makeup of the imports in the utility model;
In the figure, it is marked as apparatus main body 110, flexible connection mouth 111, fish inlet 112, floating drum 120, water pump 121, liquid level inspection
Survey device 130, fish pass 200, unhurried current part 210;
Arrow direction in Fig. 2, Fig. 3 and Fig. 4 is water (flow) direction.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, fish pass inlet device, including apparatus main body 110 and the floating drum being arranged on apparatus main body 110 120;
Flexible connection mouth 111 and fish inlet 112,111 He of flexible connection mouth are respectively arranged on the both ends of described device main body 110
Fish inlet 112 is connected to the inner cavity of apparatus main body 110;It is provided with water pump 121 in the floating drum 120, is set on the water pump 121
It is equipped with exhaust pipe, the free end of the exhaust pipe is in outside floating drum 120.
Wherein, apparatus main body 110 is one of the main component of the fish pass inlet device, and inner cavity is round or rectangular channel
Structure passes through for water flow, is generally made of light material, is preferably made of glass reinforced plastic.Mouth 111 is flexibly connected generally to be arranged
In the upstream end of apparatus main body 110, for being attached with the downstream of fish pass 200, to guarantee the fortune of the fish pass inlet device
Dynamic freedom degree;Being flexibly connected mouth 111 has impermeability, can usually be made of materials such as antiseepage film, rubber, glass reinforced plastics;Setting
Reserved movement surplus is usually required when being flexibly connected mouth 111, to guarantee to can oneself after the fish pass inlet device is connect with fish pass 200
By moving.The reliability of the freedom and connection that move in order to balance, it is preferred that flexible connection mouth 111 includes bellows and sets
The stainless steel interconnecting piece on bellows both ends is set, the bellows passes through the stainless steel interconnecting piece and apparatus main body in one end
110 are connected;Bellows is generally made of rubber or glass reinforced plastic.Fish are generally sailed against the current, and fish inlet 112 is that fish enter fish pass
Across the entrance of water retaining structure;Whether the structure and its draft of fish inlet 112 are suitable, are that can fish can smoothly enter into fish
The essential condition in road;In order to avoid fish are turned back, usually set pyramidal structure for fish inlet 112, and by its big opening end with
Apparatus main body 110 is connected, and makes its input end of osculum end as fish inlet 112.
Floating drum 120 is one of the main component of the fish pass inlet device, main to be aspirated the water in river by water pump 121
Enter in floating drum 120 and realize with the weight for increasing fish pass inlet device, or is taken out the water in floating drum 120 by water pump 121
It drains into river and realizes the SEA LEVEL VARIATION for floating, and then adapting to block water buildings downstream to mitigate the weight of fish pass inlet device,
Guarantee under different water levels that fish inlet 112 has draft appropriate, meets fish pass under different water levels into fish demand.In order to protect
The stability of the fish pass inlet device is demonstrate,proved, a floating drum 120 usually is respectively set in the two sides of apparatus main body 110, totally two.Water
Pump 121 is used for pump drainage water, can be to be a variety of, preferably immersible pump;Free end, that is, exhaust pipe disengaging water end (W.E.) of exhaust pipe, one
As install the fish pass inlet device after, the underwater of river is submerged into the free end of exhaust pipe;Preferably, in the freedom of exhaust pipe
It is provided with strainer on end, enters water pump 121 to avoid foreign matter.
As a kind of preferred embodiment of the utility model, which further includes controller and is arranged in device master
Liquid level detector 130 in body 110, the liquid level detector 130 and water pump 121 are electrically connected with the controller respectively.Level sensing
Actual water level that device 130 is able to detect in apparatus main body 110 simultaneously feeds back to controller, and normal low water level (N.L.W.L.) value is preset in controller
With normal low water level (N.L.W.L.) value, normal low water level (N.L.W.L.) value is generally 1m, and normal low water level (N.L.W.L.) value is generally 2m.In operational process, when practical water
When position is lower than preset normal low water level (N.L.W.L.) value, controller controls water pump 121 and the water in river is pumped into floating drum 120 to increase
The weight of fish pass inlet device is realized, after actual water level is higher than preset normal low water level (N.L.W.L.) value, controller control water pump
121 stop working;When actual water level is higher than preset normal high water level (N.H.W.L.) value, controller controls water pump 121 will be in floating drum 120
Water is drawn in river and realizes floating with the weight for mitigating fish pass inlet device, when actual water level is lower than preset normal high water level (N.H.W.L.)
After value, controller control water pump 121 stops working.The fish pass import is realized by setting controller and liquid level detector 130
For device according to the automatic adjusument of water level, automatic operating guarantees that fish inlet 112 has draft appropriate under different water levels.
Liquid level detector 130 can be to be a variety of, preferably liquidometer;By being respectively set on two medial surfaces of apparatus main body 110
One liquidometer, totally two;Two liquidometers respectively correspond respective water pump 121 in two floating drums 120.
In conjunction with shown in Fig. 2 and Fig. 3, the fish pass makeup of the imports, including fish pass 200 and any one above-mentioned fish pass import dress
It sets;The fish pass inlet device is connect by being flexibly connected mouth 111 with the downstream of fish pass 200.Blocking water buildings downstream water
In the biggish situation of level amplitude, the position for sinking or floating by adjusting fish pass inlet device, to guarantee under different water levels into fish
Mouthfuls 112 have draft appropriate, can meet the fish pass under different water levels into fish demand, multiple and different height that no setting is required
Fish inlet, simplify the operation and management mode of fish pass, and saved construction and maintenance cost.
In order to slow down the water velocity in fish pass 200, in favor of fish migration, then as shown in Fig. 2, in fish pass 200
Two medial surfaces on be provided with unhurried current part 210, and the unhurried current part 210 on 200 two medial surfaces of fish pass misses one another.Unhurried current
Part 210 is used to block a part of cross section of fish pass 200, to reduce water velocity;It typically is the gears being arranged in fish pass 200
Plate or partition.In order to guarantee that fish can smoothly sense the water flow in fish pass 200, need to guarantee two unhurried currents of arbitrary neighborhood
There are certain gaps in water (flow) direction for part 210.
Claims (10)
1. fish pass inlet device, it is characterised in that: including apparatus main body (110) and the floating drum being arranged on apparatus main body (110)
(120);Flexible connection mouth (111) and fish inlet (112) are respectively arranged on the both ends of described device main body (110), it is described soft
Property connector (111) and fish inlet (112) are connected to the inner cavity of apparatus main body (110);Water is provided in the floating drum (120)
Pump (121), be provided with exhaust pipe on the water pump (121), the free end of the exhaust pipe in floating drum (120) outside.
2. fish pass inlet device as described in claim 1, it is characterised in that: the flexible connection mouth (111) includes bellows
And the stainless steel interconnecting piece on bellows both ends is set, the bellows passes through the stainless steel interconnecting piece and device in one end
Main body (110) is connected.
3. fish pass inlet device as claimed in claim 2, it is characterised in that: the bellows is made of rubber or glass reinforced plastic.
4. fish pass inlet device as described in claim 1, it is characterised in that: the fish inlet (112) is tapered, and passes through it
Big opening end is connected with apparatus main body (110).
5. fish pass inlet device as described in claim 1, it is characterised in that: the floating drum (120) is two, and is respectively set
In the two sides of apparatus main body (110).
6. fish pass inlet device as claimed in claim 5, it is characterised in that: the water pump (121) is immersible pump.
7. the fish pass inlet device as described in claim 1,2,3,4,5 or 6, it is characterised in that: further include controller and setting
Liquid level detector (130) in apparatus main body (110), the liquid level detector (130) and water pump (121) respectively with controller
Electrical connection.
8. fish pass inlet device as claimed in claim 7, it is characterised in that: the liquid level detector (130) is liquidometer.
9. the fish pass makeup of the imports, including fish pass (200), it is characterised in that: further include such as any one of claim 1 to 8 institute
The fish pass inlet device stated;The fish pass inlet device is connect by being flexibly connected mouth (111) with the downstream of fish pass (200).
10. the fish pass makeup of the imports as claimed in claim 9, it is characterised in that: on two medial surfaces of the fish pass (200)
It is provided with unhurried current part (210), and the unhurried current part (210) on (200) two medial surfaces of fish pass misses one another.
Priority Applications (1)
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CN201821927083.9U CN209429072U (en) | 2018-11-21 | 2018-11-21 | Fish pass inlet device and the fish pass makeup of the imports |
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CN201821927083.9U CN209429072U (en) | 2018-11-21 | 2018-11-21 | Fish pass inlet device and the fish pass makeup of the imports |
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CN201821927083.9U Active CN209429072U (en) | 2018-11-21 | 2018-11-21 | Fish pass inlet device and the fish pass makeup of the imports |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115288088A (en) * | 2022-09-15 | 2022-11-04 | 李飞 | Dam upper structure of migration channel |
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2018
- 2018-11-21 CN CN201821927083.9U patent/CN209429072U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115288088A (en) * | 2022-09-15 | 2022-11-04 | 李飞 | Dam upper structure of migration channel |
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