CN215977164U

CN215977164U - Hydraulic engineering's fish device of crossing

Info

Publication number: CN215977164U
Application number: CN202121874397.9U
Authority: CN
Inventors: 张平; 杨庆聪; 张文社
Original assignee: Henan Xinghai Architectural Engineering Co ltd
Current assignee: Henan Xinghai Architectural Engineering Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-08
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a fish passing device for hydraulic engineering. When the fish-passing step is used, a fish school can pass upstream along the water flow through the fish-passing step, the slope of the fish-passing step can be smaller by the arc-shaped chamfer and the obliquely arranged groove arranged on the fish-passing step, so that the fish is less in resistance and labor-saving, the direction and the flow speed of the water flow can be changed by the staggered water flow guide plates, so that the water flow is slowed down, the L-shaped water flow guide plates can form a slow flow area, a place for half-way rest is provided when the fish school travels back upwards, the water outlet holes can prevent silt at the slow flow area in the water flow guide plates from being accumulated, the use of the device is influenced, the protective net can prevent sundries from falling into the device, and the filter net can also prevent sundries on the water surface from flowing into the fish-passing step.

Description

Hydraulic engineering's fish device of crossing

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a fish passing device for hydraulic engineering.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters are prevented, and water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production. Hydraulic engineering needs to build various types of hydraulic buildings such as dams, dikes, spillways, water gates, water inlets, channels, transition troughs, rafts, fishways and the like so as to achieve the aims. Among the four auspicious ancient civilizations of human beings, the ancient egypt civilizations are born in the nile riverside, the ancient babylon civilizations are born in the young lakeside river and the bottomed grice river basin, the Chinese civilizations are born in the Yangtze river basin, and the ancient indian civilizations are born in the constant river basin, so that abundant hydraulic resources not only foster the initial agriculture of human beings but also breed the civilizations in the world. Water conservancy is the life line of agriculture, the agricultural history of human beings, also can say that develop irrigation and water conservancy, overcome the scene of fighting a battle with land history of drought and waterlogging calamity.

The fishway which is arranged in the traditional hydraulic engineering and is convenient for fish shoals to swim back to the upstream in the breeding period usually needs to be artificially attracted to an inlet of the fishway, can not provide service for the fish shoals all the time, has complicated steps in the process of transporting the fish to the upstream and can cause damage to the fish, consumes a large amount of manpower, so that a facility which can detect the fish shoals all the time and automatically transport the fish shoals to the upstream by utilizing water flow is needed to be designed, and the existing problems are solved.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a fish passing device for hydraulic engineering, which adopts the technical scheme that the fish passing device comprises: cross the fish step, cross the fish step and upwards be the echelonment and set gradually, the both sides of crossing the fish step are provided with the ladder baffle, the opening plate is installed to the preceding terminal surface of ladder baffle, all install the rivers deflector on crossing every ladder of fish step, the rivers deflector is arranged in cross the outside edge of fish step up end, the crisscross setting in rivers deflector left and right sides is in cross on the fish step, the filter screen is still installed to the other end of ladder baffle, the filter screen symmetry sets up to two sets ofly to rotate through the pivot and link together.

As a preferable aspect of the present invention, the water flow guide plate has an L-shaped structure, and the length of the water flow guide plate is half of the length of the fish passing step.

As a preferable scheme of the utility model, an arc-shaped chamfer is further formed at the outer side edge of the fish passing step.

As a preferable mode of the present invention, the lower end surface of the filter net is lower than the upper end surface of the uppermost fish-passing step.

As a preferable scheme of the present invention, the L-shaped corner of the flow guide plate is provided with a water outlet hole for preventing silt from accumulating.

As a preferable scheme of the utility model, the fish passing step is provided with a groove, and the groove is obliquely formed upwards.

As a preferable aspect of the present invention, a protective net is further disposed above the fish passing step, and the protective net is mounted above the step baffle.

The utility model has the beneficial effects that: when the fish-passing step is used, a fish school can pass upstream along the water flow through the fish-passing step, the slope of the fish-passing step can be smaller by the arc-shaped chamfer and the obliquely arranged groove arranged on the fish-passing step, so that the fish is less in resistance and labor-saving, the direction and the flow speed of the water flow can be changed by the staggered water flow guide plates, so that the water flow is slowed down, the L-shaped water flow guide plates can form a slow flow area, a place for half-way rest is provided when the fish school travels back upwards, the water outlet holes can prevent silt at the slow flow area in the water flow guide plates from being accumulated, the use of the device is influenced, the protective net can prevent sundries from falling into the device, and the filter net can also prevent sundries on the water surface from flowing into the fish-passing step.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of example 2 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.

In the figure: 1-step baffle, 2-opening plate, 3-filter screen, 4-fish-passing step, 401-arc chamfer, 5-water flow guide plate, 501-water outlet, 6-rotating shaft, 7-groove and 8-protective net.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the utility model, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.

Example 1

As shown in fig. 1 to 2, an embodiment of a fish passing device for hydraulic engineering according to the present invention includes: cross fish platform rank 4, cross fish platform rank 4 and upwards be the echelonment and set gradually, the both sides of crossing fish platform rank 4 are provided with ladder baffle 1, opening plate 2 is installed to the preceding terminal surface of ladder baffle 1, all install rivers deflector 5 on crossing every ladder of fish platform rank 4, the outside edge of crossing fish platform rank 4 up end is arranged in to rivers deflector 5, rivers deflector 5 is controlled crisscross the setting and is crossing fish platform rank 4, filter screen 3 is still installed to the other end of ladder baffle 1, 3 symmetries of filter screen set up to two sets ofly, and rotate through pivot 6 and link together.

The structure of rivers deflector 5 is L type structure, and the length of rivers deflector 5 is half of 4 length of fish platform, and the outside edge of crossing fish platform 4 has still seted up arc chamfer 401.

The lower end surface of the filter screen 3 is lower than the upper end surface of the fish-passing step 4 at the uppermost end.

A protective net 8 is arranged above the fish passing step 4, and the protective net 8 is arranged above the step baffle 1.

Example 2

As shown in fig. 3, a fish passing device for hydraulic engineering according to an embodiment of the present invention includes: cross fish platform rank 4, cross fish platform rank 4 and upwards be the echelonment and set gradually, the both sides of crossing fish platform rank 4 are provided with ladder baffle 1, opening plate 2 is installed to the preceding terminal surface of ladder baffle 1, all install rivers deflector 5 on crossing every ladder of fish platform rank 4, the outside edge of crossing fish platform rank 4 up end is arranged in to rivers deflector 5, rivers deflector 5 is controlled crisscross the setting and is crossing fish platform rank 4, filter screen 3 is still installed to the other end of ladder baffle 1, 3 symmetries of filter screen set up to two sets ofly, and rotate through pivot 6 and link together.

Apopore 501 that prevents that silt is piled up is seted up to the L type corner of rivers deflector 5.

Example 3

As shown in fig. 4, a fish passing device for hydraulic engineering according to an embodiment of the present invention includes: cross fish platform rank 4, cross fish platform rank 4 and upwards be the echelonment and set gradually, the both sides of crossing fish platform rank 4 are provided with ladder baffle 1, opening plate 2 is installed to the preceding terminal surface of ladder baffle 1, all install rivers deflector 5 on crossing every ladder of fish platform rank 4, the outside edge of crossing fish platform rank 4 up end is arranged in to rivers deflector 5, rivers deflector 5 is controlled crisscross the setting and is crossing fish platform rank 4, filter screen 3 is still installed to the other end of ladder baffle 1, 3 symmetries of filter screen set up to two sets ofly, and rotate through pivot 6 and link together.

The fish passing step 4 is provided with a groove 7, and the groove 7 is obliquely upwards arranged.

The working principle of the utility model is as follows: when the fish-passing bench is used, a fish school can pass upstream through the fish-passing bench 4 along the water flow by opening the opening plate 2, then the water flow is introduced into the fish-passing bench 4, when the fish-passing bench is used, the slope of the fish-passing bench 4 can be smaller by the aid of the arc-shaped chamfers 401 arranged on the fish bench 4 and the obliquely arranged grooves 7, so that the fish can be subjected to smaller resistance and more labor-saving, the directions and the flow rates of the water flow can be changed by the aid of the water flow guide plates 5 arranged in a staggered mode, the water flow is slowed down, the L-shaped water flow guide plates 5 can form a slow flow area, a place for half-way rest is provided when the fish school goes back, the water outlet 501 can prevent silt accumulation at the slow flow area in the water flow guide plates 5 and influence the use of the device, the protective net 8 can prevent sundries from falling into the device, and the filter net 3 can also prevent sundries on the water surface from flowing into the fish-passing bench 4.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A hydraulic engineering's fish device that crosses, characterized in that includes: cross fish step (4), it upwards is the echelonment and sets gradually to cross fish step (4), the both sides of crossing fish step (4) are provided with ladder baffle (1), opening plate (2) are installed to the preceding terminal surface of ladder baffle (1), all install rivers deflector (5) on crossing every ladder of fish step (4), rivers deflector (5) are arranged in cross the outside edge of fish step (4) up end, crisscross setting about rivers deflector (5) is in on crossing fish step (4), filter screen (3) are still installed to the other end of ladder baffle (1), filter screen (3) symmetry sets up to two sets ofly to rotate through pivot (6) and link together.

2. A hydraulic engineering's fish device of crossing of claim 1, characterized in that: the structure of rivers deflector (5) is L type structure, just the length of rivers deflector (5) is cross fish step (4) half of length.

3. A hydraulic engineering's fish device of crossing of claim 1, characterized in that: an arc-shaped chamfer (401) is further formed at the edge of the outer side of the fish passing step (4).

4. A hydraulic engineering's fish device of crossing of claim 1, characterized in that: the lower end face of the filter screen (3) is lower than the upper end face of the fish passing step (4) at the uppermost end.

5. A hydraulic engineering's fish device of crossing of claim 2, characterized in that: apopore (501) that prevent silt and pile up are seted up to the L type corner of rivers deflector (5).

6. A hydraulic engineering's fish device of crossing of claim 2, characterized in that: a groove (7) is formed in the fish passing step (4), and the groove (7) is formed in the upward direction in an inclined mode.

7. A hydraulic engineering's fish device of crossing of claim 1, characterized in that: a protective net (8) is further arranged above the fish passing step (4), and the protective net (8) is installed above the step baffle (1).