Fish inlet structure of fish passing facility

By designing the fish inlet structure of the fish-passing facility with limiting side plates, buffer plates and high-pressure spraying system, the safety and cleanliness issues of fish passing through the dam in stream waters are solved, safe diversion and cleaning effects are achieved, and the aquatic ecosystem is protected.

CN120608491APending Publication Date: 2025-09-09HAINAN ACADEMY OF OCEAN & FISHERIES SCI
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Patent Information

Application Number
CN202410258958.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-09-09

AI Technical Summary

Technical Problem

Existing fish-passing facilities in stream waters are difficult to effectively guide fish through dams, and are prone to causing damage to fish bodies and equipment. At the same time, the aquatic ecosystem is fragile, and the safety and cleanliness of diversion need to be improved.

Method used

A fish inlet structure for a fish passage facility is designed, which adopts limiting side plates and buffer plates combined with buffer springs, adjustable spacing and a high-pressure spraying system to achieve one-way drainage, buffer protection and cleaning functions.

Benefits of technology

It improves the safety and cleanliness of fish passing through the dam, avoids damage to the fish body, enhances the flexibility and cleaning effect of the device, and protects the aquatic ecosystem.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a fish inlet structure of a fish passing facility, and relates to the technical field of fish passing facilities, the fish inlet structure comprises a fish passing channel, one side of the top end of the fish passing channel is movably connected with a first limiting side plate, and one side, far away from the first limiting side plate, of the top end of the fish passing channel is detachably provided with a second limiting side plate. A first limiting side plate and a second limiting side plate are arranged to limit the position of a fish body, meanwhile, a one-way drainage effect is achieved through protection buffer plates on the side faces of the first limiting side plate and the second limiting side plate, the problem that backflow of the fish affects drainage of other fingerlings is avoided, meanwhile, a plurality of buffer springs are arranged on the back faces of the protection buffer plates, and the safety of the fish is improved. When fishes pass through the space between the two protective buffer plates, the fishes directly impact the protective buffer plates, a certain buffer effect can be achieved through buffer springs, the problem that the protective buffer plates are damaged due to impact is avoided, the problem that the fingerling device is damaged can be avoided, and the drainage safety of the device is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of fish passage facilities, in particular to a fish inlet structure of a fish passage facility. Background Art

[0002] Fish passages are a key measure to facilitate fish migration and promote genetic exchange between upstream and downstream fish species. Currently, major water conservancy projects are required to have fish passages to facilitate fish migration. Compared to large rivers, streams have lower species diversity and more fragile ecosystems, making their conservation even more crucial. While water conservancy projects on major rivers disrupt river connectivity, fish can still find suitable habitats in the waters between the projects. To facilitate the diversion of diverse fish species, we designed a fish inlet structure for the fish passage. Summary of the Invention

[0003] The invention aims to provide a fish inlet structure for a fish passing facility.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a fish inlet structure of a fish passage facility, comprising a fish channel, a first limiting side plate movably connected to one side of the top of the fish channel, a second limiting side plate detachably installed on the side of the top of the fish channel away from the first limiting side plate, a mounting block fixedly installed on the top of one side of the second limiting side plate, a connecting shaft fixedly connected to the bottom end of the mounting block, an adjusting shaft detachably installed on one side surface of the connecting shaft, a connecting plate fixedly connected to one side of the adjusting shaft, a protective buffer plate fixedly connected to the top of one side of the connecting plate, and a buffer spring fixedly connected to the back side of the protective buffer plate.

[0005] Preferably, the cross-sectional diameter of the adjusting shaft is larger than the cross-sectional diameter of the connecting shaft, and the connection relationship between the adjusting shaft and the connecting shaft is a movable sleeve connection.

[0006] Preferably, there are several protective buffer plates, and multiple protective buffer plates are arranged in a straight line on one side of the second limiting side plate, and multiple protective buffer plates are arranged in a straight line on one side of the first limiting side plate.

[0007] Preferably, there are several buffer springs, which are arranged vertically on the back of the protective buffer plate, and the top of the buffer spring away from the protective buffer plate is fixedly connected to the second limiting side plate.

[0008] Preferably, a sliding groove is provided on the surface of one side of the top end of the fish channel, a sliding base block is fixedly installed on one side of the bottom end of the first limiting side plate and the second limiting side plate, a retraction adjustment rod is fixedly connected to one side of the second limiting side plate, a threaded adjustment rod is detachably installed inside the retraction adjustment rod, and the top end of the threaded adjustment rod away from the retraction adjustment rod is fixedly connected to the first limiting side plate.

[0009] Preferably, the sliding base block is located inside the sliding groove, the connection relationship between the sliding base block and the fish channel is a sliding connection, and the connection relationship between the contraction adjustment rod and the threaded adjustment rod is a threaded connection.

[0010] Preferably, a protective mounting top plate is fixedly installed on the top of one side of the first limiting side plate, a water tank is fixedly installed on the top of the protective mounting top plate, a water adding pipe is connected to the top of one side of the water tank, and a control valve is provided on the top surface of one side of the water adding pipe.

[0011] Preferably, a high-pressure sprayer is fixedly mounted on the bottom end of one side of the threaded adjustment rod, an electric power box is fixedly mounted on the outer wall of one side of the high-pressure sprayer, a bottom spray disc is fixedly mounted on the high-pressure sprayer, a first high-pressure spray head is fixedly mounted on the bottom spray disc, side spray discs are fixedly mounted on the outer walls on both sides of the high-pressure sprayer, and a second high-pressure spray head is fixedly mounted on one side of the side spray disc.

[0012] Preferably, the high-pressure sprayer and the water tank are connected, the first high-pressure spray head and the high-pressure sprayer are connected, and the second high-pressure spray head and the high-pressure sprayer are connected.

[0013] Compared with the related art, the fish inlet structure of the fish passage facility provided by the present invention has the following beneficial effects:

[0014] 1. The present invention provides a fish inlet structure of a fish passing facility, which limits the position of the fish body by setting a first limiting side plate and a second limiting side plate, and realizes a one-way drainage effect by utilizing protective buffer plates on the sides of the first limiting side plate and the second limiting side plate, thereby avoiding the problem of fish backflow and affecting the drainage of other fish species. At the same time, a plurality of buffer springs are arranged on the back side of the protective buffer plate. When the fish passes between the two protective buffer plates, it will directly hit the protective buffer plate. The buffer spring can play a certain buffering effect, firstly avoiding the problem of collision damage to the protective buffer plate, and secondly avoiding the problem of damage to the fish species device, thereby improving the drainage safety of the device.

[0015] 2. The present invention provides a fish inlet structure of a fish passing facility, which is connected by a contraction adjustment rod and a threaded adjustment rod by setting a first limiting side plate and a second limiting side plate. By adjusting the position of the threaded adjustment rod inside the contraction adjustment rod, the distance between the first limiting side plate and the second limiting side plate is adjusted, so that the distance between the protective buffer plates on both sides can be directly controlled. The sliding base blocks at the bottom of the first limiting side plate and the second limiting side plate slide inside the slide groove to assist in adjusting the position. The distance is adjusted according to the actual size of the fish and the actual amount of fish, reflecting the flexibility of the use of the device.

[0016] 3. The present invention provides a fish inlet structure for a fish passage facility. A high-pressure sprayer is provided to connect to a water storage tank, and a second high-pressure spray head on the side of the high-pressure sprayer and a first high-pressure spray head at the bottom thereof are used to achieve the effect of high-pressure spraying of water mist. First, when draining the fish, stains on the fish bodies can be promptly flushed away, thereby improving the cleanliness of the fish. Second, the structure can be turned on after the fish drainage is completed, thereby directly flushing and cleaning the inner wall of the internal equipment of the fish passage, thereby further improving the cleanliness of the device and avoiding the problem of a large number of fish scales gathering and adhering to the inner wall of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the overall top view of the device of the present invention;

[0019] Figure 3 This is a schematic diagram of the overall bottom side view of the second limiting side plate of the present invention;

[0020] Figure 4 This is a schematic structural diagram of a side view of the connection between the first limiting side plate and the second limiting side plate of the present invention;

[0021] Figure 5 It is a schematic diagram of the overall side view structure of the device of the present invention;

[0022] Figure 6 It is a schematic diagram of the structure of a side plan view of the cleaning device of the present invention;

[0023] Figure 7 It is a schematic structural diagram of a side bottom view of the cleaning device of the present invention.

[0024] Numbers in the figure: 1. Fish channel; 2. First limiting side plate; 3. Second limiting side plate; 4. Mounting block; 5. Connecting shaft; 6. Adjusting shaft; 7. Connecting plate; 8. Protective buffer plate; 9. Buffer spring; 10. Slide; 11. Sliding base block; 12. Retraction adjustment rod; 13. Threaded adjustment rod; 14. Protective mounting top plate; 15. Water tank; 16. Water addition pipe; 17. Control valve; 18. High-pressure sprayer; 19. Power box; 20. Bottom spray plate; 21. First high-pressure spray head; 22. Side spray plate; 23. Second high-pressure spray head. DETAILED DESCRIPTION

[0025] Example 1:

[0026] See also Figure 1-7 The present invention provides a technical solution: a fish inlet structure of a fish passage facility, comprising a fish channel 1, a first limiting side plate 2 being movably connected to one side of the top of the fish channel 1, a second limiting side plate 3 being detachably mounted on a side of the top of the fish channel 1 away from the first limiting side plate 2, a mounting block 4 being fixedly mounted on the top of one side of the second limiting side plate 3, a connecting shaft 5 being fixedly connected to the bottom end of the mounting block 4, a regulating shaft 6 being detachably mounted on one side surface of the connecting shaft 5, a connecting plate 7 being fixedly connected to one side of the regulating shaft 6, a protective buffer plate 8 being fixedly mounted on the top of one side of the connecting plate 7, A buffer spring 9 is fixedly connected to the back side, the cross-sectional diameter of the adjusting shaft 6 is larger than the cross-sectional diameter of the connecting shaft 5, the connection relationship between the adjusting shaft 6 and the connecting shaft 5 is a movable socket, the number of protective buffer plates 8 is several, and multiple protective buffer plates 8 are arranged in a straight line on one side of the second limiting side plate 3, and multiple protective buffer plates 8 are arranged in a straight line on one side of the first limiting side plate 2. The number of buffer springs 9 is several, and multiple buffer springs 9 are arranged in the vertical direction on the back side of the protective buffer plate 8, and the buffer spring 9 is fixedly connected to the second limiting side plate 3 away from the top of the side of the protective buffer plate 8.

[0027] In the implementation scheme, the position of the fish body is limited by setting the first limiting side plate 2 and the second limiting side plate 3, and the protective buffer plate 8 on the side of the first limiting side plate 2 and the second limiting side plate 3 is used to achieve a one-way drainage effect, thereby avoiding the problem of fish backflow and affecting the drainage of other fish species. At the same time, a plurality of buffer springs 9 are set on the back of the protective buffer plate 8. When the fish passes between the two protective buffer plates 8, it will directly hit the protective buffer plate 8. The buffer spring 9 can play a certain buffering effect. First, it can avoid the problem of impact damage to the protective buffer plate 8. Second, it can avoid the problem of damage to the fish species device, thereby improving the drainage safety of the device.

[0028] Example 2:

[0029] See also Figure 1-7The present invention provides a technical solution: a fish inlet structure of a fish passing facility, including a slide groove 10 on the surface of the top side of the fish channel 1, a sliding base block 11 is fixedly installed on one side of the bottom end of the first limiting side plate 2 and the second limiting side plate 3, and a contraction adjustment rod 12 is fixedly connected to one side of the second limiting side plate 3. A threaded adjustment rod 13 is detachably installed inside the contraction adjustment rod 12, and the top of the threaded adjustment rod 13 is away from the contraction adjustment rod 12 and is fixedly connected to the first limiting side plate 2. The sliding base block 11 is located inside the slide groove 10, and the connection relationship between the sliding base block 11 and the fish channel 1 is a sliding connection, and the connection relationship between the contraction adjustment rod 12 and the threaded adjustment rod 13 is a threaded connection.

[0030] In the implementation scheme, the first limiting side plate 2 and the second limiting side plate 3 are connected by a retractable adjustment rod 12 and a threaded adjustment rod 13, and the distance between the first limiting side plate 2 and the second limiting side plate 3 is adjusted by adjusting the position of the threaded adjustment rod 13 inside the retractable adjustment rod 12, so that the distance between the protective buffer plates 8 on both sides can be directly controlled. The sliding base blocks 11 at the bottom of the first limiting side plate 2 and the second limiting side plate 3 slide inside the slide groove 10 to assist in adjusting the position. The distance is adjusted according to the actual size of the fish and the actual amount of fish, reflecting the flexibility of the use of the device.

[0031] Example 3:

[0032] See also Figure 1-7 The present invention provides a technical solution: a fish inlet structure of a fish passing facility, comprising a first limiting side plate 2 having a protective mounting top plate 14 fixedly mounted on the top of the protective mounting top plate 14, a water tank 15 fixedly mounted on the top of the protective mounting top plate 14, a water adding pipe 16 connected to the top of the water tank 15, a control valve 17 is provided on the top surface of the water adding pipe 16, a high pressure sprayer 18 is fixedly mounted on the bottom end of the threaded adjusting rod 13, and a power box 19 is fixedly mounted on the outer wall of the high pressure sprayer 18. The high-pressure sprayer 18 is fixedly installed with a bottom spray disc 20, and the bottom spray disc 20 is fixedly installed with a first high-pressure spray head 21. Side spray discs 22 are fixedly installed on the outer walls of both sides of the high-pressure sprayer 18, and a second high-pressure spray head 23 is fixedly installed on one side of the side spray disc 22. The connection relationship between the high-pressure sprayer 18 and the water tank 15 is connected, the connection relationship between the first high-pressure spray head 21 and the high-pressure sprayer 18 is connected, and the connection relationship between the second high-pressure spray head 23 and the high-pressure sprayer 18 is connected.

[0033] In the implementation scheme, a high-pressure sprayer 18 is provided to connect to the water tank 15, and the effect of high-pressure spraying water mist is achieved through the second high-pressure spray head 23 on the side of the high-pressure sprayer 18 and the first high-pressure spray head 21 at the bottom. First, when draining the fish, the stains on the fish body can be washed away in time to improve the cleanliness of the fish. Second, it can be turned on after the fish drainage is completed, and the inner wall of the internal equipment of the fish channel 1 can be directly flushed and cleaned, further improving the cleanliness of the device and avoiding the problem of a large number of fish scales gathering and adhering to the inner wall of the device.

[0034] Working principle:

[0035] The position of the fish body is limited by arranging the first limiting side plate 2 and the second limiting side plate 3, and the protective buffer plate 8 on the sides of the first limiting side plate 2 and the second limiting side plate 3 is used to achieve a one-way drainage effect, thereby preventing the fish from flowing back and affecting the drainage of other fish species. At the same time, a plurality of buffer springs 9 are provided on the back side of the protective buffer plate 8. When the fish passes between the two protective buffer plates 8, it will directly hit the protective buffer plate 8. The buffer springs 9 can play a certain buffering effect, firstly avoiding the problem of collision damage to the protective buffer plate 8, and secondly avoiding the problem of damage to the fish species device, thereby improving the drainage safety of the device;

[0036] By setting the first limiting side plate 2 and the second limiting side plate 3 to be connected by a contraction adjustment rod 12 and a threaded adjustment rod 13, the distance between the first limiting side plate 2 and the second limiting side plate 3 can be adjusted by adjusting the position of the threaded adjustment rod 13 inside the contraction adjustment rod 12, so that the distance between the protective buffer plates 8 on both sides can be directly controlled. The sliding base blocks 11 at the bottom of the first limiting side plate 2 and the second limiting side plate 3 slide inside the slide groove 10 to assist in adjusting the position. The distance can be adjusted according to the actual size of the fish and the actual amount of fish, reflecting the flexibility of the use of the device.

[0037] By setting a high-pressure sprayer 18 to be connected to the water storage tank 15, the effect of high-pressure spraying water mist is achieved through the second high-pressure spray head 23 on the side of the high-pressure sprayer 18 and the first high-pressure spray head 21 at the bottom. First, when draining the fish, the stains on the fish bodies can be washed away in time, thereby improving the cleanliness of the fish. Second, it can be turned on after the fish drainage is completed to directly flush and clean the inner wall of the internal equipment of the fish channel 1, further improving the cleanliness of the device and avoiding the problem of a large number of fish scales gathering and adhering to the inner wall of the device.

[0038] The power box 19 provides power support for the high-pressure sprayer 18 , controls the connection of power, and directly controls the spraying operation of the high-pressure sprayer 18 .

Claims

1. A fish inlet structure of a fish passage facility, comprising a fish channel (1), wherein a first position-limiting side plate (2) is movably connected to one side of the top of the fish channel (1), and characterized in that: A second limiting side plate (3) is detachably mounted on a side of the top of the fish channel (1) away from the first limiting side plate (2); a mounting block (4) is fixedly mounted on the top of one side of the second limiting side plate (3); a connecting shaft (5) is fixedly connected to the bottom end of the mounting block (4); an adjusting shaft (6) is detachably mounted on a surface of one side of the connecting shaft (5); a connecting plate (7) is fixedly connected to one side of the adjusting shaft (6); a protective buffer plate (8) is fixedly connected to the top of one side of the connecting plate (7); and a buffer spring (9) is fixedly connected to the back of the protective buffer plate (8).

2. The fish inlet structure of a fish passage facility according to claim 1, characterized in that: The cross-sectional diameter of the adjusting shaft (6) is larger than the cross-sectional diameter of the connecting shaft (5), and the connection relationship between the adjusting shaft (6) and the connecting shaft (5) is a movable sleeve connection.

3. The fish inlet structure of a fish passage facility according to claim 1, characterized in that: The number of the protective buffer plates (8) is several, and the plurality of protective buffer plates (8) are arranged in a straight line on one side of the second limiting side plate (3), and the plurality of protective buffer plates (8) are arranged in a straight line on one side of the first limiting side plate (2).

4. The fish inlet structure of a fish passage facility according to claim 1, characterized in that: The number of the buffer springs (9) is several, and the buffer springs (9) are arranged in a vertical direction on the back of the protective buffer plate (8). The top end of the buffer spring (9) away from the protective buffer plate (8) is fixedly connected to the second limiting side plate (3).

5. The fish inlet structure of a fish passage facility according to claim 1, characterized in that: A sliding groove (10) is provided on the surface of one side of the top end of the fish channel (1), a sliding base block (11) is fixedly installed on one side of the bottom end of the first limiting side plate (2) and the second limiting side plate (3), a contraction adjustment rod (12) is fixedly connected to one side of the second limiting side plate (3), a threaded adjustment rod (13) is detachably installed inside the contraction adjustment rod (12), and the top end of the threaded adjustment rod (13) away from the contraction adjustment rod (12) is fixedly connected to the first limiting side plate (2).

6. The fish inlet structure of a fish passage facility according to claim 5, characterized in that: The sliding base block (11) is located inside the sliding groove (10), the connection relationship between the sliding base block (11) and the fish channel (1) is a sliding connection, and the connection relationship between the contraction adjustment rod (12) and the threaded adjustment rod (13) is a threaded connection.

7. The fish inlet structure of a fish passage facility according to claim 1, characterized in that: A protective mounting top plate (14) is fixedly mounted on the top of one side of the first limiting side plate (2), a water storage tank (15) is fixedly mounted on the top of the protective mounting top plate (14), a water addition pipe (16) is connected to the top of one side of the water storage tank (15), and a control valve (17) is provided on the top surface of one side of the water addition pipe (16).

8. The fish inlet structure of a fish passage facility according to claim 7, characterized in that: A high-pressure sprayer (18) is fixedly mounted on the bottom end of one side of the threaded adjustment rod (13), an electric power box (19) is fixedly mounted on the outer wall of one side of the high-pressure sprayer (18), a bottom spraying disc (20) is fixedly mounted on the high-pressure sprayer (18), a first high-pressure spraying head (21) is fixedly mounted on the bottom spraying disc (20), side spraying discs (22) are fixedly mounted on the outer walls of both sides of the high-pressure sprayer (18), and a second high-pressure spraying head (23) is fixedly mounted on one side of the side spraying disc (22).

9. The fish inlet structure of a fish passage facility according to claim 8, characterized in that: The connection relationship between the high-pressure sprayer (18) and the water storage tank (15) is communication, the connection relationship between the first high-pressure spray head (21) and the high-pressure sprayer (18) is communication, and the connection relationship between the second high-pressure spray head (23) and the high-pressure sprayer (18) is communication.