Fish collecting system suitable for high dam

Abstract

The invention provides a fish gathering system suitable for a high dam, and belongs to the technical field of fish gathering and transporting systems. The fish collecting system comprises a fish collecting channel, a first flow speed control unit, a second flow speed control unit, a fish taking unit and a fish blocking unit. The fish collecting channel is arranged in a river, and a water inlet, a fish taking opening and a fish inlet are sequentially formed in the fish collecting channel in the flowing direction of the river; the first flow speed control unit is arranged close to the fish inlet; the second flow speed control unit is arranged close to the water inlet, and the first flow speed control unit and the second flow speed control unit interact, so that the sightseeing fish enters the fish collecting channel through the fish inlet; the fish blocking unit is arranged in the fish collecting channel, located between the first flow speed control unit and the second flow speed control unit and used for collecting the sightseeing fishes to the position corresponding to the fish taking opening. The fish taking unit is arranged over the fish taking opening and used for hoisting the sightseeing fish in the fish taking opening. The fish collecting system has the effect of conveniently collecting and transferring the sightseeing fishes in the high dam hydropower station.

Description

Technical Field

[0001] The present disclosure relates to the technical field of fish collection and transportation systems, and more particularly, to a fish collection system suitable for high dams. Background Art

[0002] China's hydropower development technology has reached the world's advanced level. However, with the development of the hydropower industry, some river sections have experienced intensive cascade development, resulting in fragmentation of the river habitat, obstruction of fish migration channels, and certain changes in the structure of the original natural aquatic ecosystem. Water ecological protection and restoration will surely be a key task, and the construction of fish passage facilities has become an essential measure.

[0003] The fish collection and transportation system is a fish passage facility of a hydropower station, usually including related facilities such as fish collection facilities, fish transportation facilities, roads, and docks. Generally, facilities such as fish transportation vehicles and fish collection boats are often used between fish collection and transportation. However, a relatively large transportation platform is often required during transportation. Currently, the fish collection facilities of high dam hydropower stations in canyon areas are often built on the bank slopes downstream of the dam, mostly in areas with deep river valleys, narrow terrains, and steep bank slopes. The engineering layout is often restricted by topography and space, resulting in difficult construction and inconvenient operation.

[0004] It should be noted that the information disclosed in the above background art section is only used to enhance the understanding of the background of the present disclosure, and thus may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0005] The purpose of the present disclosure is to overcome the deficiencies of the above-mentioned prior art and provide a fish collection system suitable for high dams, so as to facilitate the collection and transportation of migratory fish in high dam hydropower stations in canyon areas.

[0006] According to one aspect of the present disclosure, there is provided a fish collection system suitable for high dams for collecting migratory fish in a river. The fish collection system includes a fish collection channel, a first flow rate control unit, a second flow rate control unit, a fish taking unit, and a fish blocking unit.

[0007] The fish collection channel is arranged in the river. Along the flowing direction of the river, an inlet, a fish taking port, and a fish inlet are sequentially arranged on the fish collection channel.

[0008] The first flow rate control unit is arranged near the fish inlet.

[0009] The second flow rate control unit is arranged near the inlet. The first flow rate control unit and the second flow rate control unit interact with each other to enable migratory fish to enter the fish collection channel through the fish inlet.

[0010] The fish blocking unit is arranged in the fish collecting channel, between the first flow rate control unit and the second flow rate control unit, and is used to gather the swimming fish to the position corresponding to the fish taking port;

[0011] The fish taking unit is arranged directly above the fish taking port and is used to hoist the swimming fish in the fish taking port.

[0012] According to an embodiment of the present disclosure, the fish collecting channel is arranged close to the river bank.

[0013] According to an embodiment of the present disclosure, the first flow rate control unit includes a first control gate and a first control device;

[0014] There is a first control port on the fish collecting channel, and the first control port is arranged close to the fish inlet;

[0015] The first control gate is arranged at the first control port in a liftable manner through the first control device.

[0016] According to an embodiment of the present disclosure, the second flow rate control unit includes a second control valve and a second control device;

[0017] There is a second control port on the fish collecting channel, and the second control port is arranged close to the water inlet;

[0018] The second control valve is arranged at the second control port in a liftable manner through the second control device.

[0019] According to an embodiment of the present disclosure, the fish taking unit includes a fish taking platform, a fish collecting hopper, a first lifting device and a first translation device;

[0020] The fish taking platform is arranged directly above the fish collecting channel;

[0021] The first lifting device is movably arranged on the fish taking platform through the first translation device, wherein the moving direction of the first lifting device is perpendicular to the plane where the fish collecting channel is located, and the moving direction of the first translation device is perpendicular to the moving direction of the first lifting device;

[0022] The fish collecting hopper is connected to the first lifting device;

[0023] Wherein, the fish taking unit has a fish taking state; in the fish taking state, the first lifting device drives the fish collecting hopper to move into the fish taking port.

[0024] According to an embodiment of the present disclosure, the bottom of the fish collecting channel further has a receiving groove for the fish collecting hopper to enter;

[0025] The receiving groove is communicated with the fish taking port.

[0026] According to an embodiment of the present disclosure, the fish collecting channel further has limiting parts symmetrically arranged along the length direction of the fish collecting channel;

[0027] The limiting parts are arranged on the inner wall of the fish collecting channel, directly above the accommodating groove, and the relatively arranged limiting parts form a limiting space for the fish collecting bucket.

[0028] According to an embodiment of the present disclosure, the fish taking platform further includes a carrying chamber, a sorting chamber, and a fish releasing chamber arranged in sequence along the high dam;

[0029] Part of the first translation device extends into the fish releasing chamber, and the fish releasing chamber is communicated with the sorting chamber;

[0030] The sorting chamber has a sorting pool, a trigger rod, and a connecting pipe;

[0031] The bottom of the fish collecting bucket has a triggering part; the trigger rod is arranged in the sorting pool and is used to contact the triggering part so that the fish in the fish collecting bucket enter the sorting pool;

[0032] The carrying chamber has a carrier vehicle;

[0033] One end of the connecting pipe is connected to the sorting pool, and the other end can extend into the carrier vehicle.

[0034] According to an embodiment of the present disclosure, the connecting pipe is provided with a communication valve.

[0035] According to an embodiment of the present disclosure, the fish blocking unit includes a first fish blocking grid, a second lifting device, a second fish blocking grid, a third lifting device, and a second translation device;

[0036] The first fish blocking grid is arranged in the fish taking opening in a liftable manner through the second lifting device;

[0037] The fish collecting channel is further provided with a sliding groove, and the second fish blocking grid is slidably connected to the side wall of the sliding groove through the second translation device, and the moving direction of the second fish blocking grid is the same as the length direction of the fish collecting channel;

[0038] The third lifting device is arranged on the fish collecting channel, and the second translation device can be connected to the third lifting device.

[0039] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. Brief Description of the Drawings

[0040] The accompanying drawings here are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present disclosure, and are used together with the specification to explain the principles of the present disclosure. Obviously, the accompanying drawings in the following description are only some embodiments of the present disclosure, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0041] Figure 1 In one embodiment of the present disclosure, it is a top view of the fish collection system.

[0042] Figure 2 In one embodiment of the present disclosure, it is a cross-sectional view of the fish collection system.

[0043] Figure 3 In one embodiment of the present disclosure, it is a cross-sectional view of the fish collection system from another perspective.

[0044] Explanation of reference numerals:

[0045] 1. Fish collection channel; 11. Fish inlet; 12. Fish taking port; 13. Water inlet; 14. First control port; 15. Second control port; 16. Accommodation groove; 17. Limiting part; 18. Sliding groove; 2. First flow rate control unit; 21. First control valve; 22. First control device; 221. First control hoist; 222. First control hoist room; 3. Second flow rate control unit; 31. Second control valve; 32. Second control device; 321. Second control hoist; 322. Second control hoist room; 4. Fish taking unit; 41. Fish taking platform; 411. Carrying room; 4111. Carrier vehicle; 412. Sorting room; 4121. Sorting pool; 4122. Trigger rod; 4123. Connecting pipe; 413. Fish releasing room; 414. Communication valve; 42. Fish collection hopper; 421. Trigger part; 43. First lifting device; 431. First lifting hoist; 44. First translation device; 441. First translation track; 5. Fish blocking unit; 51. First fish blocking grid; 52. Second lifting device; 521. Second lifting hoist; 522. First installation room; 53. Second fish blocking grid; 54. Third lifting device; 541. Third lifting hoist; 542. Second installation room; 55. Second translation device; 551. Fish driving track; 552. Fish driving trolley; 56. Connecting device. Detailed implementation manners

[0046] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed description will be omitted. In addition, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0047] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification only for convenience, for example, according to the directions of the examples described in the accompanying drawings. It can be understood that if the device of the icon is turned upside down, the component described as "upper" will become the component described as "lower". When a structure is "on" another structure, it may mean that a structure is integrally formed on another structure, or that a structure is "directly" disposed on another structure, or that a structure is "indirectly" disposed on another structure through another structure.

[0048] With the development of the hydropower industry, some river sections are in a state of intensive cascade connection and development, resulting in the fragmentation of river habitats, which in turn leads to the formation of barriers to fish migration channels. In some current technologies, a fish collection and transfer system is often used to collect and transfer migrating fish. The fish collection and transfer system mainly includes facilities such as fish transport vehicles and fish collection boats. Therefore, a relatively large transfer platform is required for the transfer of migrating fish. For the construction and operation of the transfer platform of some high dam hydropower stations, it is often restricted by terrain and space, which will cause inconvenience in the collection and transfer of migrating fish in high dam hydropower stations.

[0049] Based on this, referring to Figure 1 、 Figure 2 、 Figure 3 ,an embodiment of the present disclosure provides a fish collection system applicable to high dams. The fish collection system includes a fish collection channel 1, a first flow rate control unit 2, a second flow rate control unit 3, a fish taking unit 4, and a fish blocking unit 5. The fish collection channel 1 is arranged in a river. Among them, along the flowing direction of the river, a fish inlet 11, a fish taking port 12, and a water inlet 13 are sequentially arranged on the fish collection channel 1; the first flow rate control unit 2 is arranged close to the water inlet 13; the second flow rate control unit 3 is arranged close to the fish inlet 11. The first flow rate control unit 2 and the second flow rate control unit 3 interact with each other so that migrating fish enter the fish collection channel 1 through the fish inlet 11; the fish blocking unit 5 is arranged in the fish collection channel 1, between the first flow rate control unit 2 and the second flow rate control unit 3, and is used to gather migrating fish to the position corresponding to the fish taking port 12; the fish taking unit 4 is arranged directly above the fish taking port 12 and is used to hoist the migrating fish in the fish taking port 12.

[0050] In the embodiments of the present disclosure, when transferring the migratory fish in the river of the high dam hydropower station, the first flow rate control unit 2 and the second flow rate control unit 3 are opened. Under the interaction of the first flow rate control unit 2 and the second flow rate control unit 3, the water flow rate at the fish inlet 11 increases, and the migratory fish are attracted into the fish collection channel 1. After a period of time, the fish blocking unit 5 is adjusted, and the fish blocking unit 5 drives the migratory fish in the fish collection channel 1 to the position of the fish taking port 12. The fish taking unit 4 is adjusted, and the fish taking unit 4 takes the migratory fish in the fish taking port 12 and then transfers them, so as to achieve the purpose of collecting and transferring the migratory fish in the river of the high dam hydropower station. This fish collection system is convenient for collecting and transferring the migratory fish of the high dam hydropower station. At the same time, the construction cost of the fish collection system can also be reduced accordingly.

[0051] In some embodiments of the present disclosure, the fish collection channel 1 is arranged close to the river bank. By arranging the fish collection channel 1 close to the river bank, the characteristics of migratory fish swimming upstream along the shore can be utilized, so that the collection and transfer of migratory fish in the river can be quickly realized, and the operation efficiency can be improved.

[0052] As an example, the fish collection channel 1 is arranged at the right bank position of the river, and the length of the fish collection channel 1 is between 40 and 60 m. For example, the length of the fish collection channel 1 can be 40 m, 50 m or 60 m. It should be noted that in other embodiments, the length of the fish collection channel 1 is not limited to this.

[0053] In some embodiments, to prevent the migratory fish entering the fish collection channel 1 from escaping through the fish inlet 11, a fish escape prevention cage (not specifically shown in the drawings of this application) can be arranged at the position of the fish inlet 11. The arranged fish escape prevention cage enables the migratory fish to only enter through the fish inlet 11 but not swim out through the fish inlet 11.

[0054] In some embodiments of the present disclosure, the first flow rate control unit 2 includes a first control gate and a first control device 22; there is a first control port 14 on the fish collection channel 1, and the first control port 14 is arranged close to the water inlet 13; the first control gate is arranged at the first control port 14 in a liftable manner through the first control device 22. Specifically, when it is necessary to adjust the water flow rate in the fish collection channel 1, the first control device 22 is adjusted, and the first control device 22 drives the first control valve 21 to move, and the first control valve 21 moves on the first control port 14, so as to realize the adjustment of the water flow rate in the fish collection channel 1.

[0055] As an example, the first control device 22 may be the first control hoist 221. Specifically, a first control hoist chamber 222 may be installed on the fish collecting channel 1, the first control hoist 221 may be installed in the first control hoist chamber 222, the first control valve 21 is connected to the output end of the first control hoist 221. When it is necessary to drive the first control valve 21 to move in the fish collecting channel 1, the first control hoist 221 is opened, and the movement of the first control hoist 221 drives the movement of the first control valve 21, so as to achieve the purpose of driving the first control valve 21 to move in the fish collecting channel 1, thereby realizing the adjustment of the water flow velocity in the fish collecting channel 1.

[0056] In some embodiments of the present disclosure, the second flow velocity control unit 3 includes a second control valve 31 and a second control device 32; a second control port 15 is provided on the fish collecting channel 1, and the second control port 15 is arranged close to the fish inlet 11; the second control valve 31 is arranged at the second control port 15 in a liftable manner through the second control device 32. Specifically, when it is necessary to adjust the water flow velocity in the fish collecting channel 1, the second control device 32 is adjusted, and the second control device 32 drives the movement of the second control valve 31, and the second control valve 31 moves on the second control port 15, so as to realize the adjustment of the water flow velocity in the fish collecting channel 1.

[0057] As an example, the second control device 32 may be the second control hoist 321. Specifically, a second control hoist chamber 322 may be installed on the fish collecting channel 1, the second control hoist 321 may be installed in the second control hoist chamber 322, the second control valve 31 is connected to the output end of the second control hoist 321. When it is necessary to drive the second control valve 31 to move in the fish collecting channel 1, the second control hoist 321 is opened, and the movement of the second control hoist 321 drives the movement of the second control valve 31, so as to achieve the purpose of driving the second control valve 31 to move in the fish collecting channel 1, thereby realizing the adjustment of the flow velocity in the fish collecting channel 1.

[0058] In some embodiments of the present disclosure, refer to Figure 2 、 Figure 3 , the fish taking unit 4 includes a fish taking platform 41, a fish collecting hopper 42, a first lifting device 43 and a first translation device 44; the fish taking platform 41 is arranged directly above the fish collecting channel 1; the first lifting device 43 is movably arranged on the fish taking platform 41 through the first translation device 44, wherein the movement direction of the first lifting device 43 is perpendicular to the plane where the fish collecting channel 1 is located, and the movement direction of the first translation device 44 is perpendicular to the movement direction of the first lifting device 43; the fish collecting hopper 42 is connected to the first lifting device 43; wherein, the fish taking unit 4 has a fish taking state; in the fish taking state, the first lifting device 43 drives the fish collecting hopper 42 to move into the fish taking port 12.

[0059] Specifically, when collecting and transferring the swimming fish in the fish-taking opening 12, the first translation device 44 is adjusted. The first translation device 44 drives the first lifting device 43 to move on the fish-taking platform 41. When the first lifting device 43 moves to directly above the fish-taking opening 12, the first lifting device 43 is adjusted. The first lifting device 43 sends the fish-collecting hopper 42 into the fish-collecting channel 1 through the fish-taking opening 12. After the swimming fish in the fish-collecting hopper 42 are collected, the first lifting device 43 is driven to move. The first lifting device 43 takes out the swimming fish at the fish-taking opening 12 and waits for subsequent transfer operations.

[0060] As an example, the first lifting device 43 includes a first lifting hoist 431; further, to facilitate the movement of the first lifting hoist 431 on the fish-taking platform 41, the first translation device 44 includes a first translation track 441; the first lifting hoist 431 can be translated on the first translation track 441, and the fish-collecting hopper 42 is installed at the output end of the first lifting hoist 431.

[0061] As another example, the fish-collecting hopper 42 can be a funnel-shaped square-opening water tank.

[0062] In some embodiments of the present disclosure, the bottom of the fish-collecting channel 1 further has a receiving groove 16 for the fish-collecting hopper 42 to enter; the receiving groove 16 is communicated with the fish-taking opening 12. The provided receiving groove 16 facilitates the accommodation of the fish-collecting hopper 42 before fish-taking, preventing the fish-collecting hopper 42 from blocking the movement direction of the swimming fish when the swimming fish enter the fish-collecting channel 1, and reducing the collection efficiency of the swimming fish.

[0063] In some embodiments of the present disclosure, the fish-collecting channel 1 further has limiting portions 17 symmetrically arranged along the length direction of the fish-collecting channel 1; the limiting portions 17 are arranged on the inner wall of the fish-collecting channel 1, the limiting portions 17 are located directly above the receiving groove 16, and the relatively arranged limiting portions 17 form a limiting space for the fish-collecting hopper 42. Specifically, when the first lifting hoist lowers the fish-collecting hopper 42, the fish-collecting hopper 42 extends into the fish-taking opening 12, and the fish-collecting hopper 42 continues to move downward. The fish-collecting hopper 42 enters the limiting space formed by the adjacent limiting portions 17, and the limiting portions 17 limit the fish-collecting hopper 42 to prevent the fish-collecting hopper 42 from swinging when descending, and further improving the collection and transfer efficiency of the swimming fish in the high dam hydropower station.

[0064] In some embodiments of the present disclosure, refer to Figure 2, the fish-taking platform 41 further includes a carrying chamber 411, a sorting chamber 412, and a fish-releasing chamber 413 arranged in sequence along the high dam; a part of the first translation device 44 extends into the fish-releasing chamber 413, so that the first lifting device 43 can move to the fish-releasing chamber 413; the fish-releasing chamber 413 is communicated with the sorting chamber 412, and the sorting chamber 412 is provided with a sorting pool 4121, a trigger rod 4122, and a connecting pipe 4123; the bottom of the fish-collecting hopper 42 has a triggering part 421; the trigger rod 4122 is arranged in the sorting pool 4121 for contacting the triggering part 421 to enable the fish in the fish-collecting hopper 42 to enter the sorting pool 4121; specifically, when the fish-collecting hopper 42 enters the fish-releasing chamber 413 under the action of the first lifting device 43, the triggering part 421 on the fish-collecting hopper 42 contacts the trigger rod 4122, and the contact between the trigger rod 4122 and the triggering part 421 causes the fish-collecting hopper 42 to open, and the fish in the fish-collecting hopper 42 enter the sorting pool 4121 in the sorting chamber 412 through the fish-releasing chamber 413, and the staff can process the fish in the sorting pool 4121; the carrying chamber 411 is provided with a carrier vehicle 4111; one end of the connecting pipe 4123 is connected to the sorting pool 4121, and the other end can extend into the carrier vehicle 4111. After the fish are sorted, the sorted fish enter the carrier vehicle 4111 through the connecting pipe 4123 to transfer the fish.

[0065] Further, in order to control the quantity and speed of the fish entering the carrier vehicle 4111 through the connecting pipe 4123, a communication valve 414 is provided on the connecting pipe 4123, and by controlling the communication valve 414, the opening or closing of the connecting pipe 4123 can be controlled to control the efficiency of the fish entering the carrier vehicle 4111 through the connecting pipe 4123.

[0066] It can be understood that when the fish enter the fish-collecting channel 1, since the fish are in a constantly moving state and the moving direction of the fish-collecting hopper 42 is relatively fixed, it is difficult to collect the fish when the fish-collecting hopper 42 collects the fish, resulting in a reduction in the collection and transfer efficiency of the fish.

[0067] Based on this, see Figure 2 , the present disclosure embodiment provides a fish-blocking unit 5, the fish-blocking unit 5 includes a first fish-blocking grid 51, a second lifting device 52, a second fish-blocking grid 53, a third lifting device 54, and a second translation device 55; the first fish-blocking grid 51 is liftably arranged in the fish-taking opening 12 through the second lifting device 52; a sliding groove 18 is further provided on the fish-collecting channel 1, the second fish-blocking grid 53 is slidably connected to the side wall of the sliding groove 18 through the second translation device 55, and the moving direction of the second fish-blocking grid 53 is the same as the length direction of the fish-collecting channel 1; the third lifting device 54 is arranged on the fish-collecting channel 1, and the second translation device 55 can be connected to the third lifting device 54.

[0068] Specifically, before the fish enter the fish collection channel 1, the second lifting device 52 drives the first fish barrier 51 to open; further, the second translation device 55 is connected to the third lifting device 54, and the third lifting device 54 drives the second translation device 55 to move upward. The second translation device 55 drives the second fish barrier 53 to move upward. At this time, the fish enter the fish collection channel 1. When the fish completely enter the channel, the second lifting device 52 drives the first fish barrier 51 to move, the third lifting device 54 drives the second translation device 55 to move downward, and the second translation device 55 drives the second fish barrier 53 to move downward. At this time, under the action of the first fish barrier 51 and the second fish barrier 53, the fish are intercepted in the fish collection channel 1. When it is necessary to drive the fish to the position of the fish taking port 12, the second translation device 55 is adjusted, and the second translation device 55 drives the second fish barrier 53 to move in the fish collection channel 1 so that the fish are driven to the position of the fish taking port 12 for convenient fish taking.

[0069] As an example, the second lifting device 52 includes a second lifting hoist 521 and a first installation chamber 522; the first installation chamber 522 is installed on the fish collection channel 1, the second lifting hoist 521 is installed in the first installation chamber 522, and the first fish barrier 51 is connected to the second lifting hoist 521.

[0070] As an example, the second translation device 55 includes a fish driving track 551 and a fish driving trolley 552; the fish driving track 551 is installed at the position of the sliding groove 18, the fish driving trolley 552 is movably arranged on the fish driving track 551, and the fish driving trolley 552 is connected to the second fish barrier 53.

[0071] It can be understood that when driving the fish in the fish collection channel 1 to the corresponding position of the fish taking port 12, the fish driving trolley 552 can be driven to move on the fish driving track 551. The movement of the fish driving trolley 552 drives the second fish barrier 53 to move, and the second fish barrier 53 moves to drive the fish in the fish collection channel 1 to the corresponding position of the fish taking port 12.

[0072] As another example, the third lifting device 54 includes a third lifting hoist 541 and a second installation chamber 542. In some embodiments, the second installation chamber 542 has three layers; the fish driving track 551 can be arranged on the first layer; the device for fixing the fish driving trolley 552 can be arranged on the second layer; the third lifting hoist 541 can be arranged on the third layer.

[0073] It should be noted that the connecting device 56 is a device for connecting the third lifting hoist 541 and the fish driving trolley 552 (for example, the connecting device 56 can be a connecting rope). The connecting device 56 is a technology well-known to those skilled in the art, and the embodiments of the present disclosure will not elaborate on this.

[0074] The operation of the fish collection system in the embodiments of the present disclosure is introduced as follows:

[0075] When collecting and transferring the migratory fish in the river of the high dam hydropower station, adjust the first control device 22. The first control device 22 drives the first control valve 21 to move upward in the fish collection channel 1. At the same time, adjust the second control device 32. The second control device 32 drives the second control valve 31 to move upward in the fish collection channel 1. Adjust the second lifting and closing machine 521. The second lifting and closing machine 521 drives the first fish barrier 51 to move. The first fish barrier 51 contacts the bottom wall of the fish collection channel 1. When the first control valve 21 and the second control valve 31 are opened, the water flow in the fish collection channel 1 can attract fish into the fish collection channel 1 (at this time, there is a certain gap between the second fish barrier 53 and the fish collection channel 1). When a certain number of migratory fish gather in the fish collection channel 1, the third lifting device 54 drives the second fish barrier 53 to move downward. At this time, the migratory fish are gathered between the first fish barrier 51 and the second fish barrier 53. Adjust the device connected to the fish driving trolley 552. The second fish barrier 53 moves in the fish collection channel 1. The first fish barrier 51 and the second fish barrier 53 cooperate to gather the migratory fish at the fish taking port 12 (before this, the fish collection bucket 42 has entered the accommodation groove 16 under the action of the first lifting device 43). At this time, adjust the first lifting device 43. The first lifting device 43 drives the fish collection bucket 42 to move upward. When the fish collection bucket 42 moves to a suitable position, the first lifting device 43 moves on the first translation device 44 and is driven to the fish releasing chamber 413. The first lifting device 43 drives the fish collection bucket 42 to descend in the fish releasing chamber 413. The fish collection bucket 42 enters the sorting chamber 412. The triggering part 421 on the fish collection bucket 42 contacts the triggering rod 4122. The migratory fish in the fish collection bucket 42 enter the sorting pool 4121. The migratory fish in the sorting pool 4121 enter the carrier vehicle 4111 through the connecting pipe 4123. The carrier vehicle 4111 transfers the migratory fish, completing one collection and transfer of the migratory fish in the river of the high dam hydropower station. Repeat multiple times to collect and transfer the migratory fish in the river of the high dam hydropower station.

[0076] After considering the specification and practicing the invention disclosed herein, those skilled in the art will readily conceive of other embodiments of the present disclosure. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include known common general knowledge or conventional technical means in the technical field not disclosed in the present disclosure. The specification and examples are only to be considered as exemplary, and the true scope and spirit of the present disclosure are pointed out by the appended claims.

Claims

1. A fish collection system applicable to high dams, which is used to collect migratory fish in rivers; characterized in that, The fish collection system includes a fish collection channel, a first flow rate control unit, a second flow rate control unit, a fish taking unit, and a fish blocking unit; The fish collection channel is arranged in the river. Along the flowing direction of the river, a water inlet, a fish taking port, and a fish inlet are sequentially arranged on the fish collection channel; The first flow rate control unit is arranged near the fish inlet; The second flow rate control unit is arranged near the water inlet. The first flow rate control unit and the second flow rate control unit interact with each other so that the swimming fish enter the fish collection channel through the fish inlet; The fish blocking unit is arranged in the fish collection channel, between the first flow rate control unit and the second flow rate control unit, and is used for gathering the swimming fish to the position corresponding to the fish taking port; wherein, the fish blocking unit includes a first fish blocking grid, a second lifting device, a second fish blocking grid, a third lifting device, and a second translation device; The first fish blocking grid is arranged in the fish taking port in a liftable manner through the second lifting device; The fish collection channel further has a sliding groove. The second fish blocking grid is slidably connected to the side wall of the sliding groove through the second translation device, and the moving direction of the second fish blocking grid is the same as the length direction of the fish collection channel; The third lifting device is arranged on the fish collection channel, and the second translation device can be connected to the third lifting device; the fish taking unit is arranged directly above the fish taking port and is used for hoisting the swimming fish in the fish taking port.

2. The fish collection system applicable to high dams according to claim 1, characterized in that, The fish collection channel is arranged close to the river bank.

3. The fish collection system applicable to high dams according to claim 1, characterized in that, The first flow rate control unit includes a first control gate and a first control device; The fish collection channel has a first control port, and the first control port is arranged near the fish inlet; The first control gate is arranged at the first control port in a liftable manner through the first control device.

4. The fish collection system applicable to high dams according to claim 1, characterized in that, The second flow rate control unit includes a second control valve and a second control device; The fish collection channel has a second control port, and the second control port is arranged near the water inlet; The second control valve is arranged at the second control port in a liftable manner through the second control device.

5. The fish collection system applicable to high dams according to claim 1, characterized in that, The fish taking unit includes a fish taking platform, a fish collection hopper, a first lifting device, and a first translation device; The fish taking platform is arranged directly above the fish collection channel; The first lifting device is movably arranged on the fish taking platform through the first translation device. The moving direction of the first lifting device is perpendicular to the plane where the fish collection channel is located, and the moving direction of the first translation device is perpendicular to the moving direction of the first lifting device; The fish collection hopper is connected to the first lifting device; Wherein, the fish taking unit has a fish taking state; in the fish taking state, the first lifting device drives the fish collection hopper to move into the fish taking port.

6. The fish collection system applicable to high dams according to claim 5, characterized in that, The bottom of the fish collection channel further has a receiving groove for the fish collection hopper to enter; The receiving groove is communicated with the fish taking port.

7. The fish collection system applicable to high dams according to claim 6, characterized in that, The fish collection channel further has limiting parts symmetrically arranged along the length direction of the fish collection channel; The limiting part is arranged on the inner wall of the fish collecting channel, directly above the accommodating groove, and the relatively arranged limiting parts form a limiting space for the fish collecting bucket.

8. The fish collection system applicable to high dams according to claim 5, characterized in that, The fish taking platform further includes a carrying chamber, a sorting chamber and a fish releasing chamber arranged successively along the high dam; Part of the first translation device extends into the fish releasing chamber, and the fish releasing chamber is communicated with the sorting chamber; There are a sorting pool, a trigger rod and a connecting pipe in the sorting chamber; The bottom of the fish collecting bucket has a triggering part; the trigger rod is arranged in the sorting pool and is used to contact the triggering part so that the fish in the fish collecting bucket enter the sorting pool; There is a carrier vehicle in the carrying chamber; One end of the connecting pipe is connected to the sorting pool, and the other end can extend into the carrier vehicle.

9. The fish collection system applicable to high dams according to claim 8, characterized in that, A communication valve is arranged on the connecting pipe.

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