CN211340713U - Fish device is crossed to formula buoyancy behind dam - Google Patents
Fish device is crossed to formula buoyancy behind dam Download PDFInfo
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- CN211340713U CN211340713U CN201921694094.1U CN201921694094U CN211340713U CN 211340713 U CN211340713 U CN 211340713U CN 201921694094 U CN201921694094 U CN 201921694094U CN 211340713 U CN211340713 U CN 211340713U
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 196
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 128
- 238000011144 upstream manufacturing Methods 0.000 claims description 40
- 238000007667 floating Methods 0.000 claims description 30
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000001617 migratory effect Effects 0.000 description 2
- 230000001846 repelling effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
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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
Abstract
The utility model discloses a post-dam buoyancy fish passing device, which comprises a water conduit arranged on the top and the side wall of a dam body, wherein one end of the water conduit, which is far away from the top of the dam body, extends into a fish driving system; the utility model solves the problems that the prior fish passing device affects the main structure and the overall stability of the dam body and consumes manpower; the design of the back pipe of the dam is adopted, the dam does not penetrate through a water retaining building, the construction is convenient, and the influence on the main body structure and the integral stability of the dam body is reduced.
Description
Technical Field
The utility model relates to a fish device is crossed to formula buoyancy behind dam belongs to hydraulic engineering technical field.
Background
At present, water conservancy and hydropower buildings at home and abroad are mainly used for flood control, water storage, power generation, irrigation, landscape, water conservancy and the like, and have less concern on the migration obstruction and damage of aquatic organisms such as fishes and the like. Along with the continuous improvement of development degree of hydroenergy and water resources in China in recent years, more and more water conservancy buildings are built on rivers; and with the enhancement of the environmental awareness of people in China and the call of the Party and the country that the silver mountain in the Jinshan mountain is inferior to the Qingshan in the Green Water, hydropower stations with built fish systems are also increasing. However, due to the use characteristics of hydraulic buildings and the limitation of existing fish passing systems, the migration, inhabitation and propagation effects of aquatic organisms such as fish are not ideal, and almost no fish passing system with good fish passing efficacy exists. The traditional fish passing system, such as a fish passing elevator, a fish proliferation station, manual transportation of vehicles after fishing and the like, usually costs a large amount of power, and the embedded fishway has great influence on the main structure and the overall stability of the dam body, and particularly for a dam with the upstream and downstream water level difference exceeding 50 meters, the traditional self-flowing fishway is almost difficult to realize. The traditional fish passing system has the characteristics of high energy consumption, low efficiency, large limitation and high operation cost, and greatly influences the construction of ecological civilization.
Disclosure of Invention
The utility model aims at providing a fish device is crossed to formula buoyancy behind dam has solved the influence that current fish device caused dam body major structure and overall stability and has consumeed higher problem.
The utility model adopts the technical proposal that: a post-dam buoyancy fish passing device comprises a dam body 18 of a dam, a foundation 27, a fish passing pipeline 4 and a water conduit 5;
the dam body 18 is positioned above the foundation 27, the fish passing pipeline 4 comprises a main pipeline and branch pipelines communicated with the main pipeline, the main pipeline extends from the top of the dam body 18 along the side wall of the dam body 18 to the inside of a groove arranged in the foundation 27 below, the branch pipelines of the fish passing pipeline 4 are horizontally arranged along the upper end surface of the foundation 27, the water conduit 5 is positioned between the dam body 18 and the fish passing pipeline 4, the water conduit 5 extends from the top of the dam body 18 along the side wall of the dam body 18 to the inside of the groove arranged in the foundation 27 below and is communicated with a bottom water inlet 7 of the main pipeline of the fish passing pipeline 4, the tail end of the branch pipeline of the fish passing pipeline 4 is communicated with the downstream fish collecting pond 12 through a downstream gate 3, an upstream fish collecting system is arranged at the top of the dam body 18, and the top of the water conduit 5 is communicated with an upstream river channel 26; a floating body 19 is arranged in the groove body, a floating body movement electric control switch 22 is arranged at the bottom of the groove body, a middle baffle 2 is movably connected at the top end of the groove body, a water through hole is arranged on the middle baffle 2, a water outlet pipe 8 arranged in a foundation 27 is communicated at the bottom of the groove body, a water outlet valve 17 is arranged on the water outlet pipe 8, an upstream gate 1 is arranged at one end, positioned at the top of the dam body 18, of the fish passing pipeline 4, the middle of the main pipeline of the fish passing pipeline 4 is communicated with a water diversion pipe 5 through a middle water inlet 6, a water level sensor 23 is arranged on the side wall, away from the dam body 18, of the fish passing pipeline 4 and higher than the top of the dam body 18, a fish attracting lamp is arranged at the middle of the main pipeline of the fish passing pipeline 4, a water diversion electromagnetic valve a16 is arranged on the water diversion pipe 5 and above the, the upstream gate 1, the downstream gate 3, the water level sensor 23, the floating body movement electric control switch 22, the water outlet valve 17, the water diversion electromagnetic valve a16, the water diversion electromagnetic valve b24 and the fish luring lamp are respectively connected with a remote control system.
Preferably, the one end movable mounting of middle part baffle 2 on crossing the basis 27 of fish pipeline 4 trunk line and lateral conduit junction, the other end with cross the inner wall contact of the corresponding department of fish pipeline 4 trunk line or with the inner wall contact of the corresponding department of fish pipeline 4 lateral conduit, cross and be provided with middle part baffle electric control switch 21 on the lateral wall that fish pipeline 4 kept away from leading water pipe 5 and on the position that corresponds with middle part baffle 2 installation end, electric control switch 21 is connected with remote control system.
Preferably, the fish luring lamp include fish luring lamp a15, fish luring lamp b25, the both sides of middle part water inlet 6 and the position that is located the recess body top are provided with fish luring lamp a15 respectively, cross and be provided with fish luring lamp b25 on the inner wall of fish pipeline 4 trunk line and the relative one side of fish luring lamp a15, fish luring lamp b25 and remote control system are connected.
Preferably, the penstock 5 is connected to the dam 18 by a plurality of piers 10.
Preferably, the fish passing pipeline 4 is respectively connected with the dam 18 and the foundation 27 through the anchor blocks 9.
Preferably, the upstream fish collecting system comprises an upstream fish collecting box 11 arranged in an upstream river channel 26, the upstream fish collecting box 11 is connected with a winch 20 through a rope, the winch 20 is arranged at the top of the dam body 18, and the winch 20 is connected with a remote control system.
The utility model has the advantages that:
(1) the utility model relates to a fish device is crossed to formula buoyancy behind dam adopts the design of dam back of the body tubular, does not pass retaining structure, and construction convenience has reduced the influence to dam body major structure and overall stability;
(2) the utility model relates to a fish device is crossed to buoyancy behind dam, reach the purpose of sending the fish with the help of buoyancy drive in the fish loading and unloading process, use manpower and materials sparingly;
(3) the utility model relates to a fish device is crossed to dam formula buoyancy adopts energy-conserving fish luring lamp to reach the purpose of attracting fish, and is energy-concerving and environment-protective;
(4) the utility model relates to a fish device is crossed to formula buoyancy behind dam transports the fish through the velocity of flow of control rivers in sending the fish in-process all in the fish pipeline to the influence of upper reaches and downstream velocity of flow to sending the fish has been avoided.
(5) The utility model relates to a fish device is crossed to formula buoyancy behind dam belongs to the dam additional system, can be applicable to multiple dam type and install additional in a flexible way on having built the dam body, can solve the water conservancy building's that has not built fish system fish problem of crossing, is favorable to promoting river system's ecological benefits.
Drawings
FIG. 1 is a schematic structural view of the fish on the floating fish-passing device behind the dam of the present invention;
FIG. 2 is a schematic structural view of the fish-loading process of the floating fish-passing device behind the dam of the present invention;
FIG. 3 is a schematic structural view of the fish-finishing device of the present invention;
FIG. 4 is a schematic structural view of the fish descending device of the present invention;
FIG. 5 is a schematic structural view of the fish-discharging process of the floating fish-passing device behind the dam of the present invention;
fig. 6 is a schematic structural view of the fish-discharging device of the back-dam buoyancy fish-passing device of the present invention.
The reference numbers in the figures are: 1. an upstream gate, 2, a middle baffle, 3, a downstream gate and 4, a fish pipeline; 5. the fish attracting device comprises a water guide pipe, 6 parts of a middle water inlet, 7 parts of a bottom water inlet, 8 parts of a water outlet pipe, 9 parts of a ballast, 10 parts of a buttress, 11 parts of an upstream fish collecting box, 12 parts of a downstream fish collecting pond, 13 parts of an upstream water level, 14 parts of a downstream water level, 15 parts of a fish attracting lamp a, 16 parts of a water guiding electromagnetic valve a, 17 parts of a water outlet valve, 18 parts of a dam body, 19 parts of a floating body, 20 parts of a winch, 21 parts of a middle baffle electric control switch, 22 parts of a floating body movement electric control switch, 23 parts of a water level sensor, 24 parts of a water guiding electromagnetic valve b, 25 parts of a fish attracting lamp b, 26 parts of an.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1-6, a post-dam buoyancy fish passing device comprises a dam body 18, a foundation 27, a fish passing pipeline 4 and a water conduit 5;
the dam body 18 is positioned above the foundation 27, the fish passing pipeline 4 comprises a main pipeline and branch pipelines communicated with the main pipeline, the main pipeline extends from the top of the dam body 18 along the side wall of the dam body 18 to the inside of a groove arranged in the foundation 27 below, the branch pipelines of the fish passing pipeline 4 are horizontally arranged along the upper end surface of the foundation 27, the water conduit 5 is positioned between the dam body 18 and the fish passing pipeline 4, the water conduit 5 extends from the top of the dam body 18 along the side wall of the dam body 18 to the inside of the groove arranged in the foundation 27 below and is communicated with a bottom water inlet 7 of the main pipeline of the fish passing pipeline 4, the tail end of the branch pipeline of the fish passing pipeline 4 is communicated with the downstream fish collecting pond 12 through a downstream gate 3, an upstream fish collecting system is arranged at the top of the dam body 18, and the top of the water conduit 5 is communicated with an upstream river channel 26; a floating body 19 is arranged in the groove body, a floating body movement electric control switch 22 is arranged at the bottom of the groove body, a middle baffle 2 is movably connected at the top end of the groove body, a water through hole is arranged on the middle baffle 2, a water outlet pipe 8 arranged in a foundation 27 is communicated at the bottom of the groove body, a water outlet valve 17 is arranged on the water outlet pipe 8, an upstream gate 1 is arranged at one end, positioned at the top of the dam body 18, of the fish passing pipeline 4, the middle of the main pipeline of the fish passing pipeline 4 is communicated with a water diversion pipe 5 through a middle water inlet 6, a water level sensor 23 is arranged on the side wall, away from the dam body 18, of the fish passing pipeline 4 and higher than the top of the dam body 18, a fish attracting lamp is arranged at the middle of the main pipeline of the fish passing pipeline 4, a water diversion electromagnetic valve a16 is arranged on the water diversion pipe 5 and above the, the upstream gate 1, the downstream gate 3, the water level sensor 23, the floating body movement electric control switch 22, the water outlet valve 17, the water diversion electromagnetic valve a16, the water diversion electromagnetic valve b24 and the fish luring lamp are respectively connected with a remote control system.
Further, the one end movable mounting of middle part baffle 2 on crossing the basis 27 of fish pipeline 4 trunk line and lateral conduit junction, the other end with cross the inner wall contact of the corresponding department of fish pipeline 4 trunk line or with the inner wall contact of the corresponding department of fish pipeline 4 lateral conduit, cross and be provided with middle part baffle electric control switch 21 on the lateral wall that fish pipeline 4 kept away from leading water pipe 5 and on the position that corresponds with middle part baffle 2 installation end, electric control switch 21 is connected with remote control system.
Further, the fish luring lamp include fish luring lamp a15, fish luring lamp b25, the both sides of middle part water inlet 6 and the position that is located the groove body top are provided with fish luring lamp a15 respectively, cross and be provided with fish luring lamp b25 on the inner wall of 4 trunk lines of fish pipeline and the relative one side of fish luring lamp a15, fish luring lamp b25 are connected with remote control system.
Further, the water conduit 5 is connected with the dam 18 through a plurality of buttresses 10.
Further, the fish passing pipeline 4 is respectively connected with the dam 18 and the foundation 27 through the anchor blocks 9.
Further, the upstream fish collecting system comprises an upstream fish collecting box 11 arranged in an upstream river channel 26, the upstream fish collecting box 11 is connected with a winch 20 through a rope, the winch 20 is arranged at the top of the dam body 18, and the winch 20 is connected with a remote control system.
The floating body 19, the fish attracting lamp a15, the fish attracting lamp b25 and the middle baffle 2 form a fish repelling system, and the fish passing pipeline 4 and the water conduit 5 form the fish repelling system.
The utility model discloses a fish device is crossed to formula buoyancy behind dam effect of each key part:
upstream gate 1, downstream gate 3: controlling the shoal of fish to pass through the fish pipe 4.
A water conduit 5: water is filled through the fish conduit 4 to carry the fish from downstream to upstream.
Middle baffle 2: when the fish-passing pipeline 4 is opened, the floating body 19 is controlled to enter the middle upper part of the main pipeline of the fish-passing pipeline 4; when closed, the floating body 19 is controlled to enter the fish passing pipe 4 in the groove body arranged in the base 27.
A fish passing pipeline 4: can be used for feeding fish or discharging fish.
Water outlet pipe 8: the water in the fish pipe 4 is discharged.
And (5) rolling piers 9: used for fixing the fish pipeline.
Buttress 10: used for fixing the water conduit.
Upstream fish collection box 11: used for fishing the fish in the upstream river channel.
Downstream fish collecting pond 12: for collecting migratory fish.
The fish luring lamp: is used for luring and gathering fish.
Water diversion electromagnetic valve a, water diversion electromagnetic valve b: the switch of the remote control system is controlled to control the water conduit 5 to feed water into the fish pipeline 4.
The water outlet valve 17: the switch of the water outlet pipe is controlled by a remote control system and is used for controlling the water outlet of the water outlet pipe.
The floating body 19: floating by means of buoyancy and used for driving fish.
The hoist 20: the opening and closing of the fish collecting box is controlled by a remote control system, and the fish collecting box is used for collecting and releasing upstream fish collecting boxes.
Middle baffle electric control switch 21: the opening and closing of the baffle are controlled by a remote control system, and the baffle is used for sucking and putting down the middle baffle 2.
Float motion electronically controlled switch 22: the opening and closing of which is controlled by a remote control system for sucking and discharging the floating body 19.
Water level sensor 23: and feeding back the water level information to a remote control system, so that the remote control system controls the opening and closing of each switch.
The utility model discloses a behind-dam formula buoyancy crosses fish device fish and does from low reaches to the working process of upper reaches:
as shown in fig. 1, 2 and 3, firstly, the migratory fish are collected in the downstream fish collecting pond 12, the downstream gate 3 is opened to let the fish swim into the fish passing pipeline 4, then the downstream gate 3 is closed, at this time, the water diversion electromagnetic valve a16 is opened to make the water diversion pipe 5 fill water into the fish passing pipeline 4 through the middle water inlet 6, and the fish is lured to a position above the middle water inlet 6 by utilizing the water taxis of the fish and the fish luring lamps a15 and b25 on the inner wall of the fish passing pipeline 4; when the water level in the fish pipeline 4 is level with the upstream water level 13, the water supply is stopped after the water level sensor 23 in the pipeline senses the water level, the water diversion electromagnetic valve b24 is opened at the moment, the water diversion pipe 5 supplies water into the tank body through the bottom water inlet 7, the bottom of the floating body 19 is impacted, the floating body movement electric control switch 22 is switched off at the moment, the middle baffle electric control switch 21 is switched on, the floating body 19 floats upwards to jack the middle baffle 2, the middle baffle 2 is attracted by the electromagnet of the middle baffle electric control switch 21, and the floating body 19 pushes fish to reach the top of the dam body 18 at the moment; then the upstream gate 1 is opened, and the fishes swim into the upstream river channel to finish the fish-feeding process.
The utility model discloses a fish device is crossed to formula buoyancy behind dam, the working process of fish from the upper reaches to low reaches does:
as shown in fig. 4, 5 and 6, the float is parked: after the fish feeding process is finished, the fish passing pipeline 4 is filled with water, at the moment, the water outlet valve 17 of the water outlet pipe 8 at the bottom of the fish passing pipeline 4 is opened, the water in the pipeline is discharged, the floating body 19 returns to the bottom of the dam along with the discharge of the water, the middle baffle electric control switch 21 is disconnected, the middle baffle 2 falls down to cover the floating body 19, and then the floating body movement electric control switch 22 at the bottom of the floating body is opened to attract the floating body 19;
fish feeding: after the floating body 19 is reset, water is filled into the fish pipeline 4 by opening a water diversion electromagnetic valve a16 of the water diversion pipe 5, and then the winch 20 is used for pulling the upstream fish collection box 11 to collect fish at different upstream depths; after the collection is finished, opening the upstream gate 1, putting the fish into the fish passing pipeline 4, closing the upstream gate 1, opening the water outlet valve 17 of the water outlet pipe 8 at the bottom of the fish passing pipeline 4 at the moment, and closing the water outlet valve 17 when the water level in the fish passing pipeline 4 is level with the downstream water level 14; and then the downstream gate 3 is opened to let the fishes swim into the downstream river channel, and the fish-falling process is completed.
In this way, the utility model relates to a fish device is crossed to formula buoyancy behind dam reaches the purpose of sending the fish at last fish and fish in-process down with the help of buoyancy drive body 19, adopt energy-conserving fish luring lamp to reach the purpose of attracting fish, all transport the fish through the velocity of flow of control rivers in sending fish pipeline 4 to avoided the influence of upper reaches and downstream velocity of flow to sending the fish, adopt the design of dam back of the body tubular, do not pass the retaining structure thing, and convenient construction has reduced the influence to dam body major structure and overall stability, and use manpower and materials sparingly.
While the present invention has been described in detail with reference to the specific embodiments thereof, it is to be understood that the present invention is not limited to the embodiments described above, and that various changes and modifications may be made without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a fish device is crossed to formula buoyancy behind dam which characterized in that: comprises a dam body (18), a foundation (27), a fish passing pipeline (4) and a water conduit (5);
the dam body (18) is positioned above the foundation (27), the fish passing pipeline (4) comprises a main pipeline and branch pipelines communicated with the main pipeline, the main pipeline extends from the top of the dam body (18) along the side wall of the dam body (18) to the inside of a groove arranged in the foundation (27) below, the branch pipelines passing through the fish pipeline (4) are horizontally arranged along the upper end face of the foundation (27), the water conduit (5) is positioned between the dam body (18) and the fish passing pipeline (4), the water conduit (5) extends from the top of the dam body (18) along the side wall of the dam body (18) to the inside of the groove arranged in the foundation (27) below and is communicated with a bottom water inlet (7) of the main pipeline passing through the fish pipeline (4), the tail ends of the branch pipelines passing through the fish pipeline (4) are communicated with a downstream fish collecting pond (12) through a downstream gate (3), and an upstream fish collecting system is arranged at the top of the dam body (18), the top of the water conduit (5) is communicated with an upstream river channel (26); a floating body (19) is arranged in the groove body, a floating body movement electric control switch (22) is arranged at the bottom of the groove body, a middle baffle (2) is movably connected at the top end of the groove body, a water through hole is formed in the middle baffle (2), a water outlet pipe (8) arranged in a foundation (27) is communicated with the bottom of the groove body, a water outlet valve (17) is arranged on the water outlet pipe (8), an upstream gate (1) is arranged at one end, located at the top of the dam body (18), of the fish passing pipeline (4), the middle of the main pipeline of the fish passing pipeline (4) is communicated with a water guide pipe (5) through a middle water inlet (6), a water level sensor (23) is arranged on the side wall, far away from the dam body (18), of the main pipeline of the fish passing pipeline (4) and higher than the top of the dam body (18), a fish attracting lamp is arranged at the middle of the main pipeline (4), a water guide electromagnetic valve a (16, and a water diversion electromagnetic valve b (24) is arranged on the water diversion pipe (5) and in the groove body, and the upstream gate (1), the downstream gate (3), the water level sensor (23), the floating body movement electric control switch (22), the water outlet valve (17), the water diversion electromagnetic valve a (16), the water diversion electromagnetic valve b (24) and the fish luring lamp are respectively connected with a remote control system.
2. The apparatus of claim 1, wherein: one end movable mounting of middle part baffle (2) on crossing basis (27) of fish pipeline (4) trunk line and lateral conduit junction, the other end with cross the inner wall contact that fish pipeline (4) trunk line corresponds the department or with the inner wall contact that fish pipeline (4) lateral conduit corresponds the department, cross fish pipeline (4) keep away from on the lateral wall of leading water pipe (5) and be provided with middle part baffle electric control switch (21) on the position that corresponds with middle part baffle (2) installation end, electric control switch (21) are connected with remote control system.
3. The apparatus of claim 1, wherein: the fish luring lamp comprises a fish luring lamp a (15) and a fish luring lamp b (25), wherein the fish luring lamp a (15) is arranged on the two sides of the middle water inlet (6) and the position above the groove body respectively, the fish luring lamp b (25) is arranged on the inner wall of one side, opposite to the fish luring lamp a (15), of the main pipeline of the fish passing pipeline (4), and the fish luring lamp a (15) and the fish luring lamp b (25) are connected with a remote control system.
4. The apparatus of claim 1, wherein: the water conduit (5) is connected with a dam body (18) through a plurality of buttresses (10).
5. The apparatus of claim 1, wherein: the fish passing pipeline (4) is respectively connected with the dam body (18) and the foundation (27) through the anchor blocks (9).
6. The apparatus of claim 1, wherein: the upstream fish collecting system comprises an upstream fish collecting box (11) arranged in an upstream river channel (26), the upstream fish collecting box (11) is connected with a winch (20) through a rope, the winch (20) is arranged at the top of a dam body (18), and the winch (20) is connected with a remote control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694094.1U CN211340713U (en) | 2019-10-11 | 2019-10-11 | Fish device is crossed to formula buoyancy behind dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694094.1U CN211340713U (en) | 2019-10-11 | 2019-10-11 | Fish device is crossed to formula buoyancy behind dam |
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| CN211340713U true CN211340713U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921694094.1U Expired - Fee Related CN211340713U (en) | 2019-10-11 | 2019-10-11 | Fish device is crossed to formula buoyancy behind dam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921907A (en) * | 2021-04-06 | 2021-06-08 | 范鹏飞 | Concrete gravity dam convenient to fish migratory |
-
2019
- 2019-10-11 CN CN201921694094.1U patent/CN211340713U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921907A (en) * | 2021-04-06 | 2021-06-08 | 范鹏飞 | Concrete gravity dam convenient to fish migratory |
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