CN212270867U

CN212270867U - Vertical seam type fishway suitable for emergency flood discharge

Info

Publication number: CN212270867U
Application number: CN201821819891.3U
Authority: CN
Inventors: 王旭; 张德圣
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2018-11-06
Filing date: 2018-11-06
Publication date: 2021-01-01
Anticipated expiration: 2028-11-06

Abstract

The utility model relates to a perps formula fishway suitable for emergent flood discharge relates to fish building structure field. The utility model discloses a perps formula fishway suitable for emergent flood discharge mainly includes wing wall, bottom plate, collector pipe and a plurality of perps structural system and emergent flood discharge control system. The perps structure system divides the fishway into a plurality of pool chambers, and the emergency flood discharge control system can control the automatic opening and closing of the movable partition plates in the perps structure system according to the water level change condition in the fishway, so that the conversion of the functions of the emergency flood discharge way and the fishway is realized. The utility model discloses can be under the prerequisite that does not influence normal migration of migration phase fish and go up to trace to, realize utilizing the fishway to carry out emergent flood discharge in flood phase, improve the flood discharge ability of fishway place water conservancy pivot, release enough reservoir capacity more fast in order to deal with the threat of river upper reaches flood discharge down, at the flood discharge in-process, debris such as silt, rubbish of siltation are discharged in the fishway, guarantee the inside unobstructed of fishway, are favorable to fish to move the migration and go up to trace to.

Description

Vertical seam type fishway suitable for emergency flood discharge

Technical Field

The utility model relates to a cross fish building structure field, concretely relates to perps formula fishway suitable for emergent flood discharge.

Background

The vertical seam type fishway divides the fishway into a plurality of pool chambers by utilizing a series of transverse partition plates, vertical seams are arranged between every two adjacent partition plates, migratory fishes sequentially enter all levels of fishway pool chambers at the upper part through the vertical seams, and the migration tracing process is completed. The most part of the water passing section of the vertical seam type fishway is blocked by the transverse partition plate, and water flow passes through the diffusion, the back-turning opposite impact and the energy dissipation along the way of the upper and lower transverse partition plates, so that the energy dissipation is sufficient. Meanwhile, the vertical seam type fishway can adapt to larger upstream and downstream water level variation, is easy to quickly form stable water flow conditions, is convenient for migration and upward tracing and rest of fishes, has high fish passing efficiency, and becomes a fishway type widely applied at home and abroad at present.

According to statistics, flood disasters of China occur more than thousands of times since the 20 th century, the life and property safety of people is seriously threatened, and the development of the economy and the society is restricted. Since the 21 st century, a large amount of manpower and material resources are input by governments to construct reservoirs, dikes and stagnant flood storage areas, the flood control engineering system of the large rivers and the large rivers in China is initially established, a plurality of weak links still exist, particularly, the flood control engineering construction of the medium and small rivers is delayed, the flood control and flood discharge capacity of the established hydraulic buildings is weak, and the flood control and flood discharge capacity is one of main factors of flood disasters in recent years.

The water quantity entering the fishway in the flood period is obviously increased, the water level variation in the fishway is extremely large, the energy dissipation of water flow in the fishway is insufficient, and the condition of fish migration up-tracking cannot be met. At the moment, if the idle fishway can be used for emergency flood discharge, the flood discharge capacity of the hydro-junction where the fishway is located can be effectively improved, and enough storage capacity is released to deal with the threat of flood discharge at the upstream of the river; simultaneously, at the flood discharge in-process, owing to the washing away of high-speed rivers, debris such as silt, rubbish of the inside siltation of fishway can be discharged, guarantees the inside unobstructed of fishway, is favorable to the fish migration to trace to up.

SUMMERY OF THE UTILITY MODEL

The purpose of the invention is as follows: in order to realize utilizing the fishway to carry out emergent flood discharge in flood phase, improve the flood discharge ability of fishway place water conservancy pivot, release sufficient reservoir capacity with the flood that the reply river upper reaches let off down, the utility model provides a perps formula fishway suitable for emergent flood discharge.

The technical scheme is as follows: the utility model provides a perps formula fishway suitable for emergent flood discharge that its technical problem adopted, including wing wall, bottom plate, collector pipe and a plurality of perps structural system and emergent flood discharge control system.

The wing walls are vertically fixed on the left side surface and the right side surface of the bottom plate.

The water collecting pipe is buried in the bottom plate.

Perps structural system including fixed baffle, movable baffle, spring A, the rope, spring B, hinge and perps, fixed baffle and movable baffle set up in wing wall inboard relatively, and crisscross the laying along fishway length direction, cut apart into a plurality of pond room with the fishway, fixed baffle is fixed at wing wall inboard on fishway width direction perpendicularly, the bottom of fixed baffle is fixed on the bottom plate, movable baffle passes through the hinge on fishway width direction and fixes at the wing wall inboard, form the perps between the tip of fixed baffle and the tip of movable baffle, the spring A that top-down set up, the upper reaches face at movable baffle is all connected to the one end of rope and spring B, the other end is all fixed on the wing wall of movable baffle upper reaches side.

Emergent flood discharge control system include the recess, the support bar, the cave, the apparatus further comprises a rotating shaft, the U-shaped pipe, the fore-set, the discharge opening, wash-out pipe and hose, the recess is located the downstream side of perps, be the rectangular channel of excavation formation downwards at the bottom plate surface, the inboard at the recess is fixed through the pivot to the support bar, the upstream side of support bar supports the downstream side bottom at movable baffle, the downstream side bottom of support bar is equipped with the cave, the U-shaped pipe is buried underground inside the bottom plate, the one end of U-shaped pipe is passed the bottom plate and is appeared and expose in movable baffle upstream side, the inside one end that is equipped with the fore-set and passes groove connection hose of other end, the cave is connected to the other end of hose, the downstream side bottom of U-shaped pipe is equipped with the discharge opening, U-shaped pipe is.

In the utility model, the supporting bar is positioned in the center of the groove, the rotating shaft passes through the middle part of the supporting bar and is close to the upstream, the two ends of the rotating shaft are fixed on the inner wall of the groove, and the supporting bar can rotate around the rotating shaft; the mass of the downstream side of the supporting strip is larger than that of the upstream side of the supporting strip by taking the rotating shaft as a boundary, the downstream side of the supporting strip is pressed on the surface of the groove in the normal operation state of the fishway, and the upstream side of the supporting strip is tilted and supported at the tail end of the bottom of the downstream side of the movable partition plate.

The utility model discloses in, movable baffle fix at the wing wall inboard through the hinge on fishway width direction, movable baffle can rotate round the hinge, movable baffle's bottom is terminal to be supported by the support bar that is located the low reaches.

The utility model discloses in, spring A, spring B's specification the same, the length of rope is less than spring A and spring B's the maximum extension length, is greater than the length when spring A and spring B free state.

The utility model discloses in, the upstream end of U-shaped pipe pass the bottom plate and expose in movable baffle upstream side, the normal operating water level that highly is higher than the fishway of exposing, the diameter of U-shaped pipe is greater than the diameter of outlet and water-drain mast.

The utility model discloses in, the fore-set be located U-shaped pipe low reaches end export department, the diameter of fore-set is less than the internal diameter of concave cave and hose.

Preferably, the end of the movable partition is inclined downstream in the longitudinal direction of the fishway, and the end of the movable partition is shifted downstream with respect to the end of the fixed partition.

Preferably, the ends of the movable partition and the fixed partition are both arc-shaped structures.

Preferably, the exposed position of the upstream side of the U-shaped pipe is close to the wing wall on the upstream side of the fixed partition plate and is far away from the position of the vertical seam.

Has the advantages that: the utility model discloses a perps formula fishway suitable for emergent flood discharge has following beneficial effect:

(1) the emergency flood discharge control system can control the automatic opening and closing of the movable partition plates according to the change of the water level in the fishway, thereby realizing the conversion of the functions of the emergency flood discharge way and the fishway;

(2) the emergency flood discharge control system of the utility model is positioned below the elevation of the fishway bottom plate, and can not interfere the migration upward tracing process of migration fishes;

(3) after the movable partition plates in the utility model are opened, debris such as silt, garbage and the like originally deposited in each pond chamber can be discharged out of the fishway along with the upstream water flow, so as to ensure that the interior of the fishway is smooth and be beneficial to the upward tracking of fish migration;

(4) the utility model provides a length of rope is less than spring A and spring B's the maximum extension length, length when being greater than spring A and spring B free state, can be at the automatic life who opens and prolong spring A and spring B under the prerequisite of closing of movable baffle

Drawings

Fig. 1 is a schematic structural view of a vertical seam fishway suitable for emergency flood discharge to perform the fishway function;

fig. 2 is a schematic structural view of the vertical seam fishway for emergency flood discharge of the present invention when the vertical seam fishway functions as an emergency flood discharge way;

FIG. 3 is a top view of the slotted fishway of FIG. 1 adapted for emergency flood discharge to function as a fishway;

FIG. 4 is a schematic view of the perps system and emergency flood discharge control system of FIG. 1 in use to function as a fishway;

FIG. 5 is a top view of the slotted fishway of FIG. 2 adapted for emergency flood discharge functioning as an emergency spillway;

fig. 6 is a schematic view of the system of the perps and emergency flood control system of fig. 2 in use to function as an emergency spillway.

In the figure: 1-wing wall; 2-a bottom plate; 3-a water collecting pipe; 4-perps construction system; 41-fixed partition board; 42-a movable partition; 431-spring a; 432-a rope; 433-spring B; 44-a hinge; 45-vertical seam; 5-emergency flood discharge control system; 51-a groove; 52-support strip; 521-a cavity; 53-a rotating shaft; 54-a U-shaped tube; 541-top column; 542-a water discharge opening; 543-a water drain pipe; 55-flexible pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example (b):

as shown in fig. 1 to 6, the utility model discloses a perps formula fishway suitable for emergent flood discharge, including wing wall 1, bottom plate 2, collector pipe 3 and a plurality of perps structural system 4 and emergency flood discharge control system 5.

As shown in fig. 1 to 4, the wing walls 1 are vertically fixed on the left and right sides of the bottom plate 2;

as shown in fig. 1 to 4, the water collecting pipe 3 is buried inside the bottom plate 2;

as shown in fig. 1 to 6, the perps structure system 4 includes a fixed partition 41, a movable partition 42, a spring a431, a rope 432, a spring B433, a hinge 44, and perps 45, the fixed partition 41 and the movable partition 42 being disposed opposite to each other inside the wing wall 1, the fishway is distributed in a staggered mode along the length direction of the fishway, the fishway is divided into a plurality of pool chambers, the fixed partition plates 41 are vertically fixed on the inner side of the wing wall 1 in the width direction of the fishway, the bottoms of the fixed partition plates 41 are fixed on the bottom plate 2, the movable partition plates 42 are fixed on the inner side of the wing wall 1 in the width direction of the fishway through hinges 44, vertical seams 45 are formed between the end parts of the fixed partition plates 41 and the movable partition plates 42, one ends of springs A431, ropes 432 and springs B433 which are arranged from top to bottom are all connected to the upstream surface of the movable partition plates 42, and the other ends of the springs A431, the ropes 432;

as shown in fig. 4 and 6, the emergency flood discharge control system 5 includes a groove 51, a support bar 52, a concave 521, a rotating shaft 53, a U-shaped pipe 54, a top post 541, a drainage opening 542, a drainage pipe 543 and a hose 55, the groove 51 is located at the downstream side of the vertical seam 45 and is a rectangular groove formed by downward excavation on the surface of the bottom plate 2, the support bar 52 is fixed at the inner side of the groove 51 through the rotating shaft 53, the upstream side of the support bar 52 is supported at the bottom of the downstream side of the movable partition plate 42, the bottom of the downstream side of the support bar 52 is provided with the concave 521, the U-shaped pipe 54 is embedded inside the bottom plate 2, one end of the U-shaped pipe 54 passes through the bottom plate 2 and is exposed at the upstream side of the movable partition plate 42, the top post 541 is arranged inside the other end and passes through the groove 51 to connect one end of the hose 55, the other end of the hose 55, the other end is connected with a water collecting pipe 3, and the water flow entering the water collecting pipe 3 finally converges into a downstream river channel.

In this embodiment, the supporting bar 52 is located at the center of the groove 51, the rotating shaft 53 passes through the middle part of the supporting bar 52 near the upstream position, both ends of the rotating shaft 53 are fixed on the inner wall of the groove 51, and the supporting bar 52 can rotate around the rotating shaft 53; taking the rotating shaft 53 as a boundary, the ratio of the mass of the downstream side of the supporting strip 52 to the mass of the upstream side of the supporting strip 52 is 2: 1, in the normal operation state of the fishway, the downstream side of the support strip 52 presses against the surface of the groove 51, and the upstream side of the support strip 52 is tilted and supported at the downstream side bottom end of the movable partition 42.

In this embodiment, the movable partition 42 is fixed to the inner side of the wing wall 1 by hinges 44 in the width direction of the fishway, the movable partition 42 can rotate around the hinges 44, the bottom end of the movable partition 42 is supported by a support bar 52 located downstream, the width of the movable partition 42 is 6 times the width of the vertical slit 45, and the width of the fixed partition 41 is 2 times the width of the vertical slit 45.

In this embodiment, the specifications of the spring a431 and the spring B433 are the same, the length of the rope 432 is 4/5 of the maximum extension length of the spring a431 and the spring B433, and the length of the rope 432 is 2 times the length of the spring a431 and the spring B433 in a free state.

In this embodiment, the upstream end of the U-shaped pipe 54 passes through the bottom plate 2 and is exposed to the upstream side of the movable partition 42, the exposed height is 2 times of the normal operating water level of the fishway, and the diameter of the U-shaped pipe 54 is 4 times of the diameters of the drain opening 542 and the drain pipe 543.

In this embodiment, the top post 541 is located at the outlet of the downstream end of the U-shaped pipe 54, and the diameter of the top post 541 is smaller than the inner diameters of the concave hole 521 and the hose 55.

In this embodiment, in a normal operation state of the fishway, the downstream side of the support bar 52 is pressed on the surface of the groove 51, the upstream side of the support bar 52 is tilted and supported at the bottom end of the downstream side of the movable partition plate 42, the spring a431 and the spring B433 are in a slightly stretched state, the rope 432 is in a relaxed state, the movable partition plate 42 is in a closed state under the combined action of the upstream and downstream water pressure, the support force exerted by the support bar 52 and the lateral tension exerted by the hinge 44, upstream water flows through the vertical slit 45 and enters each pool chamber step by step and finally flows to a downstream river channel, the water level of each pool chamber in the fishway is lower than the exposure height 541 of the upstream end of the U-shaped pipe 54, the jack posts are positioned at the outlet of the downstream end of the; at the moment, water flow entering the fishway from the upstream enters each pool chamber step by step through the vertical seams 45, energy of downward-leaking water flow is dissipated after the water flow is subjected to the functions of hedging and diffusion, a water flow state suitable for migration of fishes is formed, and migration of the fishes in the downstream can be completed through the vertical seams 45 in each pool chamber; thirdly, under the flood condition, the water level of the upstream of the water conservancy pivot where the fishway is located is high, the flow of water entering the fishway from the upstream is increased, the water passing section area of the vertical joint 45 is small, upstream incoming water cannot be discharged in time after entering the first pool chamber of the fishway, the water level in the first pool chamber of the fishway is obviously increased, when the water level exceeds the exposure height of the upstream end of the U-shaped pipe 54, the water flows into the U-shaped pipe 54, and meanwhile, part of the water entering the U-shaped pipe 54 enters the water discharge pipe 543 from the water discharge opening 542 and finally flows into the water collection pipe 3; fourthly, because the diameter of the U-shaped pipe 54 is far larger than the diameters of the water discharge opening 542 and the water discharge pipe 543, the water level in the U-shaped pipe 54 gradually rises, when the water level approaches the outlet of the downstream end of the U-shaped pipe 54, the height of the top post 541 gradually increases under the action of the buoyancy of the water body in the U-shaped pipe 54, the water enters the hose 55 from the outlet of the downstream end of the U-shaped pipe 54 and then continuously moves upwards, and finally the water is inserted into the concave hole 521 at the bottom of the downstream side of the supporting bar 52, then the buoyancy of the water body in the U-shaped pipe 54 is transmitted to the downstream side of the supporting bar 52 through the top post 541, the downstream side of the supporting bar 52 is gradually jacked up, meanwhile, the upstream side of the upwarped supporting bar 52 gradually falls and finally falls on the surface of the groove 51, when the height of the upstream side of the supporting bar 52 is lower than, the spring A431 and the spring B433 are continuously stretched, the rope 432 is gradually stretched from a relaxed state, after the rope 432 is completely stretched, the spring A431 and the spring B433 still do not reach the maximum stretching length, at the moment, the movable partition plate 42 reaches the maximum opening state under the acting force exerted by water flow, the spring A431, the rope 432, the spring B433 and the hinge 44, the opening process of the movable partition plate 42 is completed, and the water in the first fishway chamber can flow into the second fishway chamber more quickly; fifthly, automatically opening the movable partition plates 42 in sequence for flood discharge according to the steps from the third step to the fourth step in each pond chamber at the downstream in the fishway; when the upstream flood is gradually subsided, the flow rate of water entering the fishway from the upstream is obviously reduced, the water level of each pool chamber in the fishway gradually falls back, when the water level is lower than the exposed height of the upstream end of the U-shaped pipe 54, the water cannot enter the U-shaped pipe 54 through the upstream end of the U-shaped pipe 54, the water of the U-shaped pipe 54 enters the water drainage pipe 543 through the water drainage opening 542 and finally converges into the water collecting pipe 3, the water level in the U-shaped pipe 54 is gradually reduced, the top post 541 gradually falls to the outlet of the downstream end of the U-shaped pipe 54 after losing the buoyancy of the water in the U-shaped pipe 54, the downstream side of the support bar 52 gradually falls and finally falls on the surface of the groove 51 under the action of self gravity after losing the buoyancy of the water transferred through the top post 541, and the upstream side; at the same time, the water level of each pool chamber in the fishway is reduced to reduce the water pressure acting on the surface of the movable partition plate 42, when the water pressure is less than the elastic force generated by the extension of the spring A431 and the spring B433, the spring A431 and the spring B433 begin to contract, the movable partition plate 42 gradually moves to a closed state along with the contraction of the spring A431 and the spring B433, the movable partition plate 42 impacts the upstream side of the support strip 52, the top elevation is lower than that of the bottom plate 2 after the upstream side of the tilted support strip 52 rotates downwards, the movable partition plate 42 returns to the closed state through the upper part of the groove 51, and because the mass of the downstream side of the support strip 52 is greater than that of the upstream side of the support strip 52, the upstream side of the support strip 52 is tilted again and supported at the downstream side bottom; eighthly, after the movable partition plates 42 of all the pond chambers in the fishway are closed according to the steps of sixthly to seventhly, the flood discharge process of the fishway is finished, and the migration up-tracking process of the downstream migration fishes can be completed continuously through the vertical seams 45 in all the pond chambers.

The utility model discloses a perps formula fishway suitable for emergent flood discharge can be according to the automatic opening and closing of movable baffle of change control of water level in the fishway, realizes the conversion of emergent flood discharge way and fishway function, can not produce the interference to migration upward tracking process of migration fish when the fishway normal operating, utilizes idle fishway to carry out emergent flood discharge in flood period, effectively improves the flood discharge ability of the water conservancy pivot of fishway place, releases sufficient reservoir capacity in order to deal with the threat of river upper reaches flood discharge; simultaneously, at the flood discharge in-process, the washing away of high-speed rivers can be discharged debris such as silt, rubbish that the inside siltation of fishway, guarantee the inside unobstructed of fishway, are favorable to the fish migration to trace to up.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a perps formula fishway suitable for emergent flood discharge, includes wing wall (1), bottom plate (2), collector pipe (3) and a plurality of perps structural system (4) and emergent flood discharge control system (5), its characterized in that:

the wing walls (1) are vertically fixed on the left side surface and the right side surface of the bottom plate (2);

the water collecting pipe (3) is buried in the bottom plate (2);

the vertical seam structure system (4) comprises a fixed partition plate (41), a movable partition plate (42), a spring A (431), a rope (432), a spring B (433), a hinge (44) and vertical seams (45), wherein the fixed partition plate (41) and the movable partition plate (42) are oppositely arranged on the inner side of the wing wall (1) and are distributed in a staggered mode along the length direction of a fishway to divide the fishway into a plurality of pool chambers, the fixed partition plate (41) is vertically fixed on the inner side of the wing wall (1) in the width direction of the fishway, the bottom of the fixed partition plate (41) is fixed on the bottom plate (2), the movable partition plate (42) is fixed on the inner side of the wing wall (1) through the hinge (44) in the width direction of the fishway, the vertical seams (45) are formed between the end part of the fixed partition plate (41) and the end part of the movable partition plate (42), and one ends of the spring A (431), the rope (432) and the spring B (433), the other ends are fixed on the wing wall (1) at the upstream side of the movable partition board (42);

the emergency flood discharge control system (5) comprises a groove (51), a supporting bar (52), a concave hole (521), a rotating shaft (53), a U-shaped pipe (54), a top column (541), a water discharge opening (542), a water discharge pipe (543) and a hose (55), wherein the groove (51) is positioned at the downstream side of a vertical seam (45) and is a rectangular groove formed by downward excavation on the surface of a bottom plate (2), the supporting bar (52) is fixed at the inner side of the groove (51) through the rotating shaft (53), the upstream side of the supporting bar (52) is supported at the bottom of the downstream side of a movable partition plate (42), the bottom of the downstream side of the supporting bar (52) is provided with the concave hole (521), the U-shaped pipe (54) is embedded inside the bottom plate (2), one end of the U-shaped pipe (54) passes through the bottom plate (2) and is exposed at the upstream side of the movable partition plate (42), the other end of the U-shaped pipe, the other end of the hose (55) is connected with the concave hole (521), a water outlet (542) is formed in the bottom of the downstream side of the U-shaped pipe (54), one end of the water outlet pipe (543) is connected with the U-shaped pipe (54) through the water outlet (542), the other end of the water outlet pipe is connected with the water collecting pipe (3), and water flowing into the water collecting pipe (3) finally flows into a downstream river channel.

2. A slatted fishway suitable for emergency flood discharge as claimed in claim 1, wherein: the supporting bar (52) is positioned in the center of the groove (51), the rotating shaft (53) penetrates through the middle part of the supporting bar (52) and is close to the upstream position, two ends of the rotating shaft (53) are fixed on the inner wall of the groove (51), and the supporting bar (52) can rotate around the rotating shaft (53); the mass of the downstream side of the supporting strip (52) is larger than that of the upstream side of the supporting strip (52) by taking the rotating shaft (53) as a boundary, the downstream side of the supporting strip (52) is pressed on the surface of the groove (51) in the normal operation state of the fishway, and the upstream side of the supporting strip (52) is tilted and supported at the tail end of the downstream side bottom of the movable partition plate (42).

3. A slatted fishway suitable for emergency flood discharge as claimed in claim 1, wherein: the movable partition plates (42) are fixed on the inner side of the wing wall (1) through hinges (44) in the width direction of the fishway, the movable partition plates (42) can rotate around the hinges (44), and the tail ends of the bottoms of the movable partition plates (42) are supported by support bars (52) located at the downstream.

4. A slatted fishway suitable for emergency flood discharge as claimed in claim 1, wherein: the specifications of the spring A (431) and the spring B (433) are the same, and the length of the rope (432) is smaller than the maximum stretching length of the spring A (431) and the spring B (433) and larger than the length of the spring A (431) and the spring B (433) in a free state.

5. A slatted fishway suitable for emergency flood discharge as claimed in claim 1, wherein: the upstream end of the U-shaped pipe (54) penetrates through the bottom plate (2) and is exposed out of the upstream side of the movable partition plate (42), the exposed height is higher than the normal operating water level of the fishway, and the diameter of the U-shaped pipe (54) is larger than the diameters of the water discharge opening (542) and the water discharge pipe (543).

6. A slatted fishway suitable for emergency flood discharge as claimed in claim 1, wherein: the top column (541) is positioned at the outlet of the downstream end of the U-shaped pipe (54), and the diameter of the top column (541) is smaller than the inner diameters of the concave hole (521) and the hose (55).