CN212534001U - A gate pier for fishway is surveyd - Google Patents

Abstract

The utility model belongs to the technical field of river connectivity repair engineering a gate pier for fishway is surveyd, technical scheme is: the gate pier is positioned at the end of the fishway and comprises concrete side walls on two sides and an overflowing area positioned in the middle of the concrete side walls, and the area defined by the concrete side walls and the overflowing area sequentially comprises a flow guide section, a gate chamber section and an observation section; the observation section comprises a third concrete side wall, a third overflowing area, an observation system, a light supplementing plate, high-strength light-transmitting glass and a layered plate which are respectively positioned at two sides, and the observation system is arranged in a hollow structure in the third concrete side wall at one side; and the light supplementing plate is arranged in the hollow structure of the third concrete side wall on the other side. The method improves the monitoring quality of the fish passing effect of the fishway, reduces the observation cost of the fishway, improves the adaptability of the observation scheme and optimizes the operation effect of the fishway.

Description

A gate pier for fishway is surveyd

Technical Field

The utility model belongs to the technical field of river connectivity repair engineering, concretely relates to gate pier for fishway is surveyd.

Background

The inhabitation space and the habitat quality of fishes in the river channel are obviously influenced by the river blocking building, and the fishway engineering is rapidly popularized and implemented for relieving the blocking effect caused by the river blocking building.

At present, in the practical process, the fish passage design in the initial stage basically does not consider fish effect monitoring, so that the operation effect of the fish passage cannot be evaluated in the later stage, the building value of the fish passage is measured and the basis for optimizing and modifying is provided when the fish passage effect is achieved, and the monitoring of the fish passage is the key point for judging the fish effect. The fishway monitoring means include a net-opening method, a blocking method, an electric fishing method, a hydroacoustic monitoring method, a telemetering method and a video monitoring method, wherein the video monitoring method is widely applied to fishway engineering as a permanent monitoring method.

According to the application case of the built engineering, the video monitoring method needs to build an underground fish-passing observation room outside the side wall of the fishway, has strict requirements on arrangement conditions and operation conditions, and cannot be widely applied to various engineering. On the other hand, due to factors such as high construction cost and complex operation and maintenance, one fishway project is usually provided with only one underground observation room, and key parameters for fishway operation evaluation, such as the number of fishways entering, the number of fishways passing through, the types of fishes passing through, and the like, cannot be recorded.

In addition, the flow velocity of the fishway control cross section generally refers to the flow velocity of the smaller overflow cross section of a vertical seam, an orifice and the like, but at the inlet and the outlet of the fishway, because the overflow cross section is far larger than the fishway control cross section, the flow velocity of the inlet and the outlet of the fishway is often small, the fishway cannot effectively stimulate and attract fishes to enter the fishway and quickly guide the fishes to pass through the fishway, and the operation effect of the fishway is obviously reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a gate pier for fishway is surveyd, it has improved the fishway and has crossed fish effect monitoring quality, reduce the fishway and survey the expense, improve observation scheme adaptability, optimize fishway operation effect.

The technical scheme is as follows: a gate pier for observing a fishway is positioned at the end of the fishway and comprises concrete side walls on two sides and an overflowing area positioned in the middle of the concrete side walls, wherein the area enclosed by the concrete side walls and the overflowing area sequentially comprises a diversion section gate chamber section and an observation section; the diversion section is positioned on the V-shaped formed by combining the first concrete side walls on the two sides, the first overflowing area is splayed, and the overflowing section is narrowed from wide; the lock chamber section comprises a gate, second concrete side walls and a second overflowing area, wherein the second concrete side walls and the second overflowing area are respectively positioned on two sides of the gate; the width between the second concrete side walls is the same, and the second overflowing area is rectangular; the observation section comprises third concrete side walls, third overflowing areas, an observation system, a light supplementing plate, high-strength light-transmitting glass and a layered plate which are respectively positioned on two sides, each third concrete side wall comprises high-strength light-transmitting glass and bevel side walls, the bevel edges of the bevel side walls incline towards the opening direction, a horn mouth is formed between the two bevel side walls, and the third overflowing areas are combined by rectangles and trapezoids to form overflowing sections which are narrowed and widened; the rectangular area of the third overcurrent area is a shooting area; the inner part of the third concrete side wall is of a hollow structure, and a cover plate of the hollow structure is arranged at the top of the third concrete side wall; the bottom of the bevel side wall is provided with a communication hole which is used for communicating a third overflowing area with an outside water area of a third concrete side wall, and the communication hole is positioned below the hollow structure; the observation system is arranged in a hollow structure inside the third concrete side wall on one side; the light supplementing plate is arranged in a hollow structure of the third concrete side wall on the other side; the high-strength light-transmitting glass is respectively arranged on the water passing side walls of the third concrete side walls on the two sides and serves as an observation window with a hollow structure; the light supplementing plate is attached to the rear side of the high-strength light transmitting glass; the plurality of layered plates are respectively horizontally arranged in the whole third overflowing area from top to bottom and extend to the second overflowing area by no less than 30 cm; the inner walls of the first concrete side wall, the second concrete side wall and the third concrete side wall are sequentially connected; the inner wall of the bevel side wall is in direct connection with the inner wall of the fishway side wall.

Based on the technical characteristics: the observation system comprises an underwater rotating holder, a slideway and a camera; the slide is arranged perpendicularly, and the camera is fixed in on the slide through rotatory cloud platform under water, and rotatory cloud platform can follow the slide and reciprocate under water, and can 360 degrees rotations.

Based on the technical characteristics: the inclined side wall and the water passing central axis of the lock chamber section form an included angle of 30-45 degrees.

Based on the technical characteristics: the inclined edge of the first concrete side wall and the water passing central axis of the lock chamber section form an included angle of 30-45 degrees.

Based on the technical characteristics: the arrangement range of the communication holes is within 20cm from the bottom, and the aperture of the communication holes is not more than 2 cm.

Based on the technical characteristics: the distance between the gate and the observation section is not less than 1 m.

Based on the technical characteristics: the width of the second flow passing area is 2 times of the width of the fishway control section. The fishway control section generally refers to the section of a high-flow-rate area such as a vertical seam and an orifice in the existing fishway.

The utility model overcomes all difficulties in the current fishway design process. The creativity and the advantages are as follows:

(1) the monitoring quality of the fish passing effect of the fishway is improved. Use the utility model discloses arrange the scheme, advance at the fishway, the exit all can arrange video observation system, the layering board that the video observation district arranged can separately make statistics of the fish of different perching water layers, mends the worn-out fur and can show improvement video acquisition effect to accurate record gets into fishway quantity, passes through fishway quantity and crosses key parameter such as fish kind.

(2) Reduce the fishway observation cost. The utility model discloses need not to build large-scale observation room, the camera under the dewatering, do not have other high standard water repellent except that the worn-out fur is mended under water, build and running cost low, maintain the convenience, can reduce fishway observation expense by a wide margin.

(3) And the adaptability of the observation scheme is improved. The utility model discloses arrange scheme make full use of fishway gate pier and design and arrange fishway observation system, need not other buildings of independent design, be applicable to all fishways that have the lock chamber structure.

(4) Optimizing the operation effect of the fishway. The utility model discloses with the width constriction of fishway lock chamber section, reduce and cross the water section, effectively increase lock chamber section velocity of water, can effectively strengthen the rivers amazing and attract fish to get into the fishway and guide fish fast and pass through the fishway.

Drawings

Fig. 1 is a floor plan.

Fig. 2 is a cross-sectional view of a gate pier.

Fig. 3 is a schematic view of the light source arrangement of the light supplement panel.

FIG. 4 is a schematic view of the arrangement of the communication holes of the bevel side wall.

Fig. 5 shows an example of the layout of the upstream outlet of the fishway.

Fig. 6 shows an example of a downstream fishway outlet arrangement project.

The reference numbers in the figures are: a flow guide section 1; a first concrete side wall 11; a first flow-through region 12; a lock chamber section 2; a gate 21; a second concrete side wall 22; a second flow-through region 23; an observation section 3; a third concrete side wall 31; a bevel side wall 312; a cover plate 313; a third flow-through region 32; an observation system 33; an underwater rotating pan/tilt head 331; a slide 332; a camera 333; a light supplement plate 34; high-strength light-transmitting glass 35; a laminate 36; fishway side walls 41.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 and 2, the gate pier for fish way observation comprises concrete side walls on two sides and an overflowing area located in the middle of the concrete side walls, wherein the area defined by the concrete side walls and the overflowing area sequentially comprises a flow guide section 1, a gate chamber section 2 and an observation section 3.

The guide section 1 comprises a first concrete side wall 11 and a first flow passing area 12. The first concrete side wall 11 is arranged in a V shape, and the top end of the V shape can be processed in an arc shape to smoothly connect water flow and increase the impact strength; the first overflow area 12 is in a splayed shape, the overflow section of the formed inlet water is narrowed from wide to narrow, and the included angle alpha between the inclined edge angle and the water passing central axis of the lock chamber section 2 is preferably 30-45 degrees.

The lock chamber section 2 contains a lock gate 21, a second concrete side wall 22 and a second flow area 23. Wherein the distance L between the gate 21 and the observation section 3 is not less than 1 m; the second flow passing area 23 is rectangular, and the width of the second flow passing area is preferably 2 times of the width of the fishway control section, and the fishway control section generally refers to the section of a high-flow-rate area such as a vertical seam and an orifice in the existing fishway.

The observation section 3 comprises a third concrete side wall 31, a third flow passing area 32, an observation system 33, a light supplement plate 34, high-strength transparent glass 35 and a layered plate 36. The third concrete side wall 31 is a hollow structure, and a cover plate 313 with a hollow structure is arranged at the top of the third concrete side wall and used for installing the observation system 33. The inner side walls of the first concrete side wall 11, the second concrete side wall 22 and the third concrete side wall 31 are sequentially connected in sequence. The third concrete side wall 31 comprises high-strength light-transmitting glass 35 and a bevel side wall 312, and the high-strength light-transmitting glass 35 is respectively arranged on the water passing side walls of the third concrete side walls 31 at two sides to serve as observation windows with hollow structures; the inclined sides of the inclined side walls 312 incline towards the opening direction at the other end, and a bell mouth is formed between the two inclined side walls 312, that is, the inclined side walls 312 at the two sides form a splayed diffusion for smoothly connecting with the fishway side wall 41. The third flow-passing area 32 is formed by combining a rectangle and a trapezoid, and forms a narrow and wide flow-passing cross section. The rectangular area of the third flow-through area 32 is a shooting area, and the width of the third flow-through area 32 in the shooting area is the same as that of the second flow-through area 23 of the chamber section 2.

The included angle beta between the bevel side wall 312 and the water passing central axis of the lock chamber section 2 is preferably 30-45 degrees, and the communicating holes are arranged at the bottom of the bevel side wall 312, as shown in fig. 4, the arrangement range is 20cm from the bottom to the top, and the aperture of the communicating holes is not more than 2cm and is used for balancing the water pressure inside and outside the hollow structure of the third concrete side wall 31.

As shown in fig. 2, the observation system 33 includes an underwater rotating pan/tilt 331, a slide 332, and a camera 333. The chute 332 is vertically disposed. The camera 333 is an observation system 33 shooting device, has waterproof and wireless transmission functions, can realize long-time underwater shooting, can transmit a shooting video to an observation display area in a wireless manner, is fixed on the slideway 332 through the underwater rotating holder 331, can move up and down on the slideway 332 through the rotating holder 331, can rotate by 360 degrees for adjusting a shooting angle, and can completely shoot each layer area, wherein the specific installation number is increased or decreased according to the fish object layering condition, the shooting range and other factors; as shown in fig. 3, the light supplement plate 34 is a light supplement device of the observation system 33, has the characteristics of light intensity adjustment, water resistance, uniform light and the like, can realize underwater long-time shooting, can be inserted into and taken from the light supplement plate 34, is convenient to replace and maintain, has a light supplement range consistent with the shooting range of the camera 333, and is tightly attached to the high-strength light-transmitting glass 35 at the installation position; the high-strength light-transmitting glass 35 has the characteristics of high strength, strong durability, good light-transmitting effect and the like; the layered plate 36 is made of a high-strength, ultrathin, light-tight and durable material, is used for separating fishes in different water layers, smoothening water flow and the like, and is arranged in the whole third overflowing area 32 and extends to the second overflowing area 23 by no less than 30 cm. The shaded area shown in fig. 1 is an illustration of the arrangement range of the layered plate 36.

The diversion section 1, the lock chamber section 2 and the observation section 3 are of an integral structure.

The utility model discloses a concrete implementation way does: the gate pier can be arranged at the end of the fishway, can be arranged at the upstream of the fishway (as shown in fig. 5), can also be arranged at the downstream of the fishway (as shown in fig. 6), or can be arranged at the upstream and the downstream of the fishway simultaneously, and the inner wall of the bevel side wall 312 of the third concrete side wall 31 is in direct contact with the inner wall of the fishway side wall 41.

Before the fishway runs, the fishway gate 21 is kept in a closed state, the layered plate 36 in the observation area is installed, the connection between the camera 333 and the remote display equipment is debugged, the cover plate 313 is opened, then the camera 333 is fixed on the rotating tripod head 331, the camera 333 is lowered to the shooting position through the slide rail 332, the shooting angle is adjusted through the rotating tripod head 331 and then the locking position is obtained, the light supplementing plate 34 is installed to the specified position and then locked, all power supplies are closed and the cover plate 313 is covered after the camera 333 and the light supplementing plate 34 are checked to be in a normal condition. And slowly opening the fishway gate 21 until the water level is stable, sequentially opening the light supplementing plate 34 and the camera 333, rechecking the shooting position of the camera 333, correcting, and adjusting the light intensity of the light supplementing plate 34 to the optimal shooting value, so that the fishway observation system 33 can normally operate.

When the fishway is overhauled and stopped running, the power supply of the light supplementing plate 34 and the cameras 333 can be firstly closed, then the gate 21 is closed, then the cover plates 313 on the two sides are opened, the light supplementing plate 34 is firstly taken out, then each layer of cameras 333 are sequentially taken out, the cover plate 313 is covered after sundries in the areas where the light supplementing plate 34 and the cameras 333 are placed are cleaned, and finally the layered plate 36 is detached. And maintaining each disassembled equipment and instruments, placing the equipment and instruments at a dry position, and taking out and installing the equipment and instruments when the equipment and instruments are used next time.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a gate pier for fishway is surveyd which characterized in that: the gate pier is positioned at the end of the fishway and comprises concrete side walls on two sides and an overflowing area positioned in the middle of the concrete side walls, and the area defined by the concrete side walls and the overflowing area sequentially comprises a flow guide section (1), a gate chamber section (2) and an observation section (3); the diversion section (1) is positioned on the V-shaped combination formed by the first concrete side walls (11) on the two sides, the first overflowing area (12) is splayed, and the overflowing section is narrowed from wide; the lock chamber section (2) comprises a gate (21), second concrete side walls (22) and a second overflowing area (23), wherein the second concrete side walls and the second overflowing area (23) are respectively positioned on two sides of the gate (21), and the gate (21) is positioned in the second overflowing area (23); the width between the second concrete side walls (22) is the same, and the second overflowing area (23) is rectangular; the observation section (3) comprises third concrete side walls (31), third overflowing regions (32), an observation system (33), a light supplementing plate (34), high-strength light-transmitting glass (35) and a layered plate (36) which are respectively located on two sides, each third concrete side wall (31) comprises the high-strength light-transmitting glass (35) and bevel side walls (312), the bevel edges of the bevel side walls (312) incline towards the opening direction, a horn mouth is formed between the two bevel side walls (312), and the third overflowing regions (32) are combined by rectangles and trapezoids to form overflowing sections which are narrow and wide; the rectangular area of the third overflowing area (32) is a shooting area; the interior of the third concrete side wall (31) is of a hollow structure, and a cover plate (313) of the hollow structure is arranged at the top of the third concrete side wall (31); the bottom of the bevel side wall (312) is provided with a communication hole which is used for communicating the third overflowing area (32) with the outside water area of the third concrete side wall (31), and the communication hole is positioned below the hollow structure; the observation system (33) is arranged in a hollow structure inside the third concrete side wall (31) on one side; the light supplementing plate (34) is arranged in the hollow structure of the third concrete side wall (31) on the other side; the high-strength light-transmitting glass (35) is respectively arranged on the water passing side walls of the third concrete side walls (31) at two sides and serves as an observation window of the hollow structure; the light supplementing plate (34) is attached to the rear side of the high-strength light-transmitting glass (35); the laminated plates (36) are respectively horizontally arranged above and below the whole third overflowing area (32) and extend to the second overflowing area (23) by no less than 30 cm; the inner walls of the first concrete side wall (11), the second concrete side wall (22) and the third concrete side wall (31) are sequentially connected in sequence; the inner wall of the bevel side wall (312) is in direct contact with the inner wall of the fishway side wall (41).

2. The gate pier for fish-way observation according to claim 1, characterized in that: the observation system (33) comprises an underwater rotating holder (331), a slide way (332) and a camera (333); the slideway (332) is vertically arranged, the camera (333) is fixed on the slideway (332) through the underwater rotating holder (331), and the underwater rotating holder (331) can move up and down along the slideway (332) and can rotate by 360 degrees.

3. The gate pier for fish-way observation according to claim 1, characterized in that: the included angle between the bevel side wall (312) and the water passing central axis of the lock chamber section (2) is 30-45 degrees.

4. The gate pier for fish-way observation according to claim 1, characterized in that: the included angle between the inclined edge of the first concrete side wall (11) and the water passing central axis of the lock chamber section (2) is 30-45 degrees.

5. The gate pier for fish-way observation according to claim 1, characterized in that: the arrangement range of the communication holes is within 20cm from the bottom, and the aperture of the communication holes is not more than 2 cm.

6. The gate pier for fish-way observation according to claim 1, characterized in that: the distance between the gate (21) and the observation section (3) is not less than 1 m.

7. The gate pier for fish-way observation according to claim 1, characterized in that: the width of the second overflowing area (23) is 2 times of the width of the fishway control section.

Images