Fishway inlet device with comprehensive fish luring and water level self-adaption functions and operation method

Abstract

The fishway inlet device comprises a fixed fishway, the inlet end of the fixed fishway is rotationally connected with a transition section fishway through a rotating shaft, a telescopic control device is installed on the upper portion of the other side of the transition section fishway, and the output end of the telescopic control device is connected with a telescopic mechanism. The other end of the telescopic mechanism is in sliding limiting fit with the mounting box, the lower portion of the telescopic mechanism is connected with a telescopic flexible fishway, one end of the flexible fishway is connected with the transition section fishway, the other end of the flexible fishway is connected with the mounting box, and the other end of the mounting box is connected with the inlet end fishway. According to the device, the length of the fishway can be adjusted according to the water level so that the fishway inlet can adapt to the water level, the fish luring effect can be enhanced through the fish luring device, and the fish migration situation can be monitored in real time.

Description

Technical Field

[0001] The invention relates to the technical field of fishways, and in particular to a fishway inlet device with comprehensive fish attracting and adaptive water level and an operating method thereof. Background Art

[0002] As humans build dams and other river-blocking structures on rivers, the connectivity of rivers is destroyed, fish migration and spawning channels are blocked, resulting in a sharp decline in fish resources and a significant impact on river ecosystems. To solve this problem, people build fishways to help fish pass through dams and other river-blocking structures, but traditional fishways have the following problems: (1) The large changes in water levels in some rivers at different times can lead to water shortages at the fishway entrances; (2) The traditional fishway entrances are not effective in attracting fish, resulting in poor fish passage; (3) Traditional fishways lack real-time monitoring of upstream migratory fish. Summary of the invention

[0003] The object of the present invention is to provide a comprehensive fish-attracting and water-level adaptive fishway inlet device and an operating method, the device can adjust the length of the fishway according to the water level so that the fishway inlet is adapted to the water level, and can enhance the fish-attracting effect through the fish-attracting device, and can monitor the fish migration situation in real time.

[0004] In order to achieve the above-mentioned technical features, the purpose of the present invention is achieved as follows: a fishway inlet device with comprehensive fish luring and adaptive water level, including a fixed fishway, the inlet end of the fixed fishway is rotatably connected with a transition section fishway through a rotating shaft, a telescopic control device is installed on the upper part of the other side of the transition section fishway, the output end of the telescopic control device is connected to the telescopic mechanism, the other end of the telescopic mechanism is slidingly limited with the installation box body, the lower part of the telescopic mechanism is connected with a flexible fishway that can be telescoped, one end of the flexible fishway is connected to the transition section fishway, the other end of the flexible fishway is connected to the installation box body, and the other end of the installation box body is connected to the inlet end fishway.

[0005] The telescopic control device includes a first mounting shell, a first oil cylinder is fixedly mounted on the top of the first mounting shell through a top plate, a piston rod of the first oil cylinder passes through the top plate and is connected to the top of a first driving rod, the first driving rod and a slide groove inside the first mounting shell form a sliding fit, a second driving rod is hinged to the middle part of the first driving rod through a first pin shaft, one end of the second driving rod is hinged to a bottom plate, and the bottom plate is fixed to the bottom end of the first mounting shell; the other ends of the first driving rod and the second driving rod are connected to the telescopic mechanism.

[0006] The telescopic mechanism adopts a scissor-type connecting rod mechanism, including a plurality of sets of first connecting rods and second connecting rods that are hingedly connected, the middle parts of the first connecting rods and the second connecting rods are hingedly connected via a second pin shaft, the bottom ends of the first connecting rods and the second connecting rods are hingedly connected to a hinge seat via a pin shaft, the hinge seat is fixed to the top of the flexible fishway, and the bottom ends of the first connecting rods and the second connecting rods are hingedly connected via a third pin shaft; The first connecting rod located at the first section is hingedly connected to the first driving rod, and the second connecting rod located at the first section is hingedly connected to the second driving rod.

[0007] The installation box body comprises a second installation shell, and a flexible fishway connecting column is fixed to the bottom end of the second installation shell; The end of the first connecting rod located at the tail section is slidably mounted inside the slide groove of the second mounting shell, and the end of the second connecting rod located at the tail section is hinged to the inner bottom of the second mounting shell.

[0008] Fish attracting devices for attracting fish are installed on both outer sides of the fishway at the inlet end.

[0009] The fish attracting device comprises a water pump fixed on the outer wall of the inlet fishway, the inlet end of the water pump is provided with a water inlet pipe, the outlet end of the water pump is provided with a water outlet pipe, and the outlet pipe faces the inlet direction of the inlet fishway.

[0010] Buoys are installed at the bottom of the two outer sides of the fishway at the inlet end.

[0011] The inlet fishway is equipped with a monitoring device for monitoring fish.

[0012] The monitoring device includes a sonar identification system arranged at the front end of the bottom plate of the fishway at the inlet end; The utility model also comprises a top cross beam fixed at the top end of the fishway inlet at the inlet end, and a camera is installed at the bottom end of the top cross beam.

[0013] An operating method of a fishway inlet device with comprehensive fish attracting and self-adapting water level, comprising the following steps: In the first stage, when the river water level drops, the telescopic control device is started, the telescopic mechanism is driven by the telescopic control device, and the flexible fishway is driven to telescope by the telescopic mechanism, thereby changing the inlet position of the fishway at the inlet end until the position of the fishway inlet is adapted to the water level; In the second stage, when it is necessary to attract fish to swim upstream, the fish attracting device is activated, and water is pumped in from the water inlet pipe through the water pump and discharged through the water outlet pipe to form a suitable water flow to attract fish to swim upstream; In the third stage, the sonar identification system can identify the distribution of fish in the river. If it detects that there are a lot of fish resources in a certain range in the river, it will change the position of the fishway entrance by controlling the rotating shaft and telescopic control device to attract more fish to swim upstream. In the fourth stage, when fish enter the inlet fishway from the fishway entrance, the camera will record the passage of the fish, which is convenient for the later investigation of upstream fish resources. The buoyancy of the inlet fishway is provided by the float.

[0014] The present invention has the following beneficial effects: 1. The device of the present invention has high flexibility, can adapt to the use requirements of different water depths, has a wide range of applications, and greatly improves the efficiency of fishway inlet.

[0015] 2. The present invention can optimize water flow conditions by adjusting the angle between the fishway inlet and the water flow, thereby significantly improving the fish attracting effect.

[0016] 3. The present invention is provided with a water replenishing device, which effectively improves the water flow environment and further enhances the fish attracting effect.

[0017] 4. The present invention is equipped with a real-time monitoring system, which can comprehensively evaluate the fish passing effect of the fishway and provide data support for the design and optimization of the fishway. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a three-dimensional southwest isometric view of an adaptive water level fishway inlet system.

[0020] Figure 2 It is a schematic diagram of the direction control and telescopic device system.

[0021] Figure 3 This is a detailed drawing of the telescopic device.

[0022] Figure 4 It is a schematic diagram of the water replenishment and monitoring system. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0024] Embodiment 1: like Figure 1-4As shown, a fishway inlet device with integrated fish attracting and self-adapting water level comprises a fixed fishway 1, the inlet end of the fixed fishway 1 is rotatably connected with a transition section fishway 3 through a rotating shaft 2, a telescopic control device 4 is installed on the upper part of the other side of the transition section fishway 3, the output end of the telescopic control device 4 is connected to a telescopic mechanism 5, the other end of the telescopic mechanism 5 is slidably limited with a mounting box 7, the lower part of the telescopic mechanism 5 is connected with a telescopic flexible fishway 6, one end of the flexible fishway 6 is connected to the transition section fishway 3, the other end of the flexible fishway 6 is connected to the mounting box 7, and the other end of the mounting box 7 is connected to the inlet end fishway 8. The device can adjust the length of the fishway according to the water level so as to adapt the fishway inlet to the water level, and can enhance the fish attracting effect through the fish attracting device, and can monitor the fish migration in real time.

[0025] Further, the telescopic control device 4 includes a first mounting shell 402, a first oil cylinder 401 is fixedly mounted on the top of the first mounting shell 402 through a top plate 403, a piston rod 404 of the first oil cylinder 401 passes through the top plate 403 and is connected to the top of a first driving rod 405, the first driving rod 405 forms a sliding fit with a slide groove inside the first mounting shell 402, a second driving rod 406 is hinged to the middle part of the first driving rod 405 through a first pin 408, one end of the second driving rod 406 is hinged to a bottom plate 407, and the bottom plate 407 is fixed to the bottom end of the first mounting shell 402; the other ends of the first driving rod 405 and the second driving rod 406 are connected to the telescopic mechanism 5. The telescopic control device 4 can realize telescopic control, thereby changing the length of the flexible fishway 6 to meet the use requirements of different water depths. In the specific adjustment process, the piston rod 404 is driven by the first oil cylinder 401 , the first driving rod 405 is driven by the piston rod 404 , and the driving control of the telescopic mechanism 5 is achieved through the cooperation between the first driving rod 405 and the second driving rod 406 .

[0026] Further, the telescopic mechanism 5 adopts a scissor-type connecting rod mechanism, including multiple groups of first connecting rods 502 and second connecting rods 505 that are hingedly connected, the middle parts of the first connecting rods 502 and the second connecting rods 505 are hingedly connected through a second pin shaft 503, the bottom ends of the first connecting rods 502 and the second connecting rods 505 are hingedly connected to the hinge seat 501 through a pin shaft, the hinge seat 501 is fixed to the top of the flexible fishway 6, and the bottom ends of the first connecting rods 502 and the second connecting rods 505 are hingedly connected through a third pin shaft 504; the first connecting rod 502 located at the first section is hingedly connected to the first driving rod 405, and the second connecting rod 505 located at the first section is hingedly connected to the second driving rod 406. The above-mentioned telescopic mechanism 5 can realize the synchronous telescopic adjustment of the flexible fishway 6. During the working process, the telescopic mechanism 5 is driven by the telescopic control device 4.

[0027] Furthermore, the installation box body 7 includes a second installation shell 701, and a flexible fishway connecting column 702 is fixed to the bottom end of the second installation shell 701; the end of the first connecting rod 502 located at the tail section is slidably installed in the slide groove of the second installation shell 701, and the end of the second connecting rod 505 located at the tail section is hinged to the inner bottom of the second installation shell 701. The installation box body 7 facilitates the sliding installation of the end of the telescopic mechanism 5, thereby ensuring the smooth telescopic mechanism 5.

[0028] Furthermore, fish attracting devices for attracting fish are installed on both outer sides of the inlet fishway 8. The fish attracting device includes a water pump 1002 fixed on the outer wall of the inlet fishway 8, an inlet pipe 1001 is provided at the inlet end of the water pump 1002, and an outlet pipe 1003 is provided at the outlet end of the water pump 1002, and the outlet pipe 1003 faces the inlet direction of the inlet fishway 8. When it is necessary to attract fish to swim upstream, the fish attracting device is started, and water is pumped into the inlet pipe 1001 by the water pump 1002 and then discharged through the outlet pipe 1003 to form a suitable water flow to achieve the purpose of attracting fish to swim upstream.

[0029] Further, buoys 11 are installed at the bottom of both outer sides of the inlet end fishway 8. The inlet end fishway 8 is provided with a part of buoyancy by the buoys, and a part of pulling force by the telescopic rod.

[0030] Furthermore, the inlet fishway 8 is equipped with a monitoring device 9 for monitoring fish.

[0031] Furthermore, the monitoring device includes a sonar identification system 903 arranged at the front end of the bottom plate of the inlet fishway 8, and also includes a top crossbeam 901 fixed at the top end of the inlet of the inlet fishway 8, and a camera 902 is installed at the bottom end of the top crossbeam 901. The camera will record the passage of fish, which is convenient for the investigation of upstream fish resources in the later stage.

[0032] Furthermore, the sonar identification system 903 can identify the distribution of fish in the river. If it is detected that there are a lot of fish resources within a certain range in the river, the control module can be used to control the rotating shaft and the telescopic device to change the position of the fishway entrance, thereby achieving the purpose of attracting more fish to swim upstream.

[0033] Embodiment 2: An operating method of a fishway inlet device with comprehensive fish attracting and self-adapting water level, comprising the following steps: In the first stage, when the river water level drops, the telescopic control device 4 is started, and the telescopic mechanism 5 is driven by the telescopic control device 4, and the flexible fishway 6 is driven to telescope by the telescopic mechanism 5, thereby changing the inlet position of the inlet end fishway 8 until the position of the fishway inlet is adapted to the water level; In the second stage, when it is necessary to attract fish to swim upstream, the fish attracting device is started, and water is pumped into the water inlet pipe 1001 through the water pump 1002 and discharged through the water outlet pipe 1003 to form a suitable water flow to attract fish to swim upstream; In the third stage, the sonar identification system 903 can identify the distribution of fish in the river. If it is detected that there are many fish resources in a certain range in the river, the position of the fishway entrance is changed by controlling the rotating shaft 2 and the telescopic control device 4 to achieve the purpose of attracting more fish to swim upstream. In the fourth stage, when fish enter the inlet fishway 8 from the fishway entrance, the camera 902 will record the passage of the fish to facilitate the subsequent investigation of upstream fish resources. The inlet fishway 8 is provided with a portion of buoyancy by the buoy.

Claims

1. A fishway inlet device with comprehensive fish attracting and water level self-adaptation, characterized in that: The invention comprises a fixed fishway (1), wherein the inlet end of the fixed fishway (1) is rotatably connected to a transition section fishway (3) via a rotating shaft (2), a telescopic control device (4) is installed on the upper part of the other side of the transition section fishway (3), the output end of the telescopic control device (4) is connected to a telescopic mechanism (5), the other end of the telescopic mechanism (5) is slidably limitedly matched with a mounting box (7), the lower part of the telescopic mechanism (5) is connected to a telescopic flexible fishway (6), one end of the flexible fishway (6) is connected to the transition section fishway (3), the other end of the flexible fishway (6) is connected to the mounting box (7), and the other end of the mounting box (7) is connected to the inlet end fishway (8).

2. The fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 1, characterized in that: The telescopic control device (4) comprises a first mounting shell (402), a first oil cylinder (401) being fixedly mounted on the top of the first mounting shell (402) via a top plate (403), a piston rod (404) of the first oil cylinder (401) passing through the top plate (403) and connected to the top of a first driving rod (405), the first driving rod (405) and a slide groove inside the first mounting shell (402) forming a sliding fit, a second driving rod (406) being hingedly connected to the middle portion of the first driving rod (405) via a first pin shaft (408), one end of the second driving rod (406) being hingedly connected to a bottom plate (407), and the bottom plate (407) being fixed to the bottom end of the first mounting shell (402); the other ends of the first driving rod (405) and the second driving rod (406) being connected to the telescopic mechanism (5).

3. The fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 2, characterized in that: The telescopic mechanism (5) adopts a scissor-type connecting rod mechanism, comprising a plurality of groups of first connecting rods (502) and second connecting rods (505) that are hingedly connected, the middle parts of the first connecting rods (502) and the second connecting rods (505) are hingedly connected via a second pin shaft (503), the bottom ends of the first connecting rods (502) and the second connecting rods (505) are hingedly connected to a hinge seat (501) via a pin shaft, the hinge seat (501) is fixed to the top end of the flexible fishway (6), and the bottom ends of the first connecting rods (502) and the second connecting rods (505) are hingedly connected via a third pin shaft (504); The first connecting rod (502) located at the first section is hingedly connected to the first driving rod (405), and the second connecting rod (505) located at the first section is hingedly connected to the second driving rod (406).

4. The fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 2, characterized in that: The installation box body (7) comprises a second installation shell (701), and a flexible fishway connecting column (702) is fixed to the bottom end of the second installation shell (701); The end of the first connecting rod (502) located at the tail section is slidably mounted inside the slide groove of the second mounting shell (701), and the end of the second connecting rod (505) located at the tail section is hinged to the inner bottom of the second mounting shell (701).

5. The fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 2, characterized in that: Fish attracting devices for attracting fish are installed on both outer sides of the inlet end fishway (8).

6. The fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 5, characterized in that: The fish attracting device comprises a water pump (1002) fixed on the outer wall of the inlet fishway (8), the inlet end of the water pump (1002) is provided with a water inlet pipe (1001), the outlet end of the water pump (1002) is provided with a water outlet pipe (1003), and the water outlet pipe (1003) faces the inlet direction of the inlet fishway (8).

7. A fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 6, characterized in that: Buoys (11) are installed at the bottom of the two outer sides of the inlet end fishway (8).

8. The fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 6, characterized in that: The inlet fishway (8) is equipped with a monitoring device (9) for monitoring fish.

9. The fishway inlet device with integrated fish attracting and water level self-adapting function according to claim 8, characterized in that: The monitoring device comprises a sonar identification system (903) arranged at the front end of the bottom plate of the inlet fishway (8); It also includes a top crossbeam (901) fixed to the top of the inlet of the inlet fishway (8), and a camera (902) is installed at the bottom end of the top crossbeam (901).

10. The method for operating the integrated fish attracting and water level adaptive fishway inlet device according to any one of claims 6 to 9, characterized in that: The following steps are involved: In the first stage, when the river water level drops, the telescopic control device (4) is started, the telescopic mechanism (5) is driven by the telescopic control device (4), and the flexible fishway (6) is driven by the telescopic mechanism (5) to telescope, thereby changing the inlet position of the fishway (8) at the inlet end until the position of the fishway inlet is adapted to the water level; In the second stage, when it is necessary to attract fish to swim upstream, the fish attracting device is activated, water is pumped into the water inlet pipe (1001) through the water pump (1002), and then discharged through the water outlet pipe (1003) to form a suitable water flow to attract fish to swim upstream; In the third stage, the sonar identification system (903) can identify the distribution of fish in the river. If it is detected that there are a lot of fish resources within a certain range in the river, the position of the fishway entrance is changed by controlling the rotating shaft (2) and the telescopic control device (4) to achieve the purpose of attracting more fish to swim upstream. In the fourth stage, when fish enter the inlet fishway (8) from the fishway entrance, the camera (902) will record the passage of the fish, which is convenient for the subsequent investigation of upstream fish resources. The inlet fishway (8) is partially buoyant by the buoy.

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