CN210086194U

CN210086194U - Overbeach structure of slow flow river of power station delivery port

Info

Publication number: CN210086194U
Application number: CN201822150017.1U
Authority: CN
Inventors: 赵徳才; 段周平; 杨文�; 夏云东; 卢萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-02-18
Anticipated expiration: 2028-12-21

Abstract

The utility model discloses a slow flow river flood plain structure of power station delivery port, include: the slow flow outer plate, the slow flow inner plate, the slow flow water tank, the lower convex teeth, the upper convex teeth, the front water inlet and the rear water inlet; when the water flow generating set is used, water flow at a water outlet of the power station passes above the slow flow outer plate, the water flow slowly flows into the water tank, is passed and is divided into three parts, one part of the water flow continuously moves forwards, one part of the water flow slowly flows into a gap between the slow flow outer plate and the slow flow inner plate from a front water inlet below the water tank, the last part of the water flow slowly flows into a gap between the slow flow outer plate and the slow flow inner plate from a rear water inlet below the water tank, the water flow is decelerated between the lower convex teeth and the upper convex teeth, and the water flow enters the slow flow water inlet tank at certain intervals, so that the kinetic energy of the falling water flow is gradually weakened; the utility model has the advantages that: the scouring of water flow to the foundation pile of the hydropower station is weakened, and the service life of the hydropower station is prolonged.

Description

Overbeach structure of slow flow river of power station delivery port

Technical Field

The utility model relates to the hydroelectric engineering field specifically is a slow flow river floodbeach structure of power station delivery port.

Background

When the water outlet of the hydropower station is used for draining water, huge kinetic energy is accumulated in water flow at the water outlet of the hydropower station due to the height difference of the upper position and the lower position of the hydropower station, the water flow discharged from the water outlet of the hydropower station can greatly flush foundation piles of the hydropower station if the water flow is not subjected to buffering treatment, the service life of the hydropower station is influenced, and few river flood beach structures for buffering the huge kinetic energy water flow at the water outlet of the hydropower station exist in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slow flow river flood plain structure of power station delivery port to solve the problem mentioned in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a slow flow river flood plain structure of a hydropower station water outlet comprises: the slow flow outer plate, the slow flow inner plate, the slow flow water tank, the lower convex teeth, the upper convex teeth, the front water inlet and the rear water inlet; the slow flow river flood plain structure of the hydropower station water outlet is characterized in that a main body of the slow flow river flood plain structure is a slow flow outer plate and a slow flow inner plate, and a gap is reserved between the slow flow outer plate and the slow flow inner plate.

As a further aspect of the present invention: the lower surface of the slow flow outer plate is distributed with trapezoidal lower convex teeth at equal intervals, the upper surface of the slow flow inner plate is distributed with trapezoidal upper convex teeth at equal intervals, the lower convex teeth and the upper convex teeth are meshed in a staggered mode, and the distance from the bottom surface of the lower convex teeth to the bottom surface of the upper convex teeth after meshing is not less than thirty-five centimeters.

As a further aspect of the present invention: a slow inflow water tank is arranged between every two lower convex teeth on the slow inflow outer plate, the slow inflow water tank is a right-angle trapezoid cavity with a transverse cross section, and a front water inlet and a rear water inlet are reserved in each slow inflow water tank due to the arrangement of each slow inflow water tank and the shape relationship of the lower convex teeth.

When the buffering inner plate is used, the buffering inner plate is arranged in the reserved groove, a supporting structure is poured around the buffering outer plate, the buffering outer plate is fixed on the supporting structure, and the distance from the bottom surface of the lower convex tooth to the bottom surface of the upper convex tooth is not less than thirty-five centimeters; after the installation finishes, rivers are gushed from the delivery port of power station, the top of slow class planking is flowed in to the cocurrent, and rivers can slowly flow in the basin and are crossed and cut apart into the triplex, partly rivers continue to move forward, partly rivers flow to the clearance between slow class planking and the slow class inner panel from the preceding water inlet that flows into under the basin, last some rivers flow to the clearance between slow class planking and the slow class inner panel from the back water inlet that flows into under the basin, through slow down between dogtooth and the last dogtooth, because the equidistant distribution of slow inflow basin is on the slow class planking, so there is rivers to enter into the slow inflow basin at every certain distance, weaken the kinetic energy of flowing water step by step, gradually alleviate the velocity of flowing water.

Compared with the prior art, the beneficial effects of the utility model are that:

can carry out slow flow on the huge kinetic energy water flow at the water outlet of the hydropower station, weaken the scouring of the water flow on the foundation pile of the hydropower station, prolong the service life of the hydropower station,

drawings

Fig. 1 is a schematic perspective view of a slow flow river floodbeach structure at a hydropower station water outlet.

Fig. 2 is a schematic diagram of a slow flow river floodbeach structure of a hydropower station water outlet.

In the figure: 1-slow flow outer plate, 2-slow flow inner plate, 3-slow flow water tank, 4-lower convex tooth, 5-upper convex tooth, 6-front water inlet and 7-rear water inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a slow flow river flood plain structure of a hydropower station water outlet includes: the slow flow outer plate 1, the slow flow inner plate 2, the slow flow water inlet groove 3, the lower convex teeth 4, the upper convex teeth 5, the front water inlet 6 and the rear water inlet 7; the slow flow river flood plain structure of the hydropower station water outlet is characterized in that a main body of the slow flow river flood plain structure is a slow flow outer plate 1 and a slow flow inner plate 2, and a gap is reserved between the slow flow outer plate 1 and the slow flow inner plate 2.

The lower surface of the slow flow outer plate 1 is distributed with trapezoidal lower convex teeth 4 at equal intervals, the upper surface of the slow flow inner plate 2 is distributed with trapezoidal upper convex teeth 5 at equal intervals, the lower convex teeth 4 and the upper convex teeth 5 are meshed in a staggered mode, and the distance from the bottom surface of the lower convex teeth 4 to the bottom surface of the upper convex teeth 5 after meshing is not less than thirty-five centimeters.

A slow inflow water tank 3 is arranged between every two lower convex teeth 4 on the slow inflow outer plate 1, the slow inflow water tank 3 is a right-angle trapezoid cavity with a transverse section, and a front water inlet 6 and a rear water inlet 7 are reserved in each slow inflow water tank 3 due to the arrangement of each slow inflow water tank 3 and the shape relationship of the lower convex teeth 4.

When the device is used, the slow flow inner plate 2 is arranged in the reserved groove, a supporting structure is poured around the slow flow outer plate 2, the slow flow outer plate 2 is fixed on the supporting structure, and the distance from the bottom surface of the lower convex tooth 4 to the bottom surface of the upper convex tooth 5 is not less than thirty-five centimeters; after the installation, rivers gush out from the delivery port of power station, and the top of slow current planking 1 is flowed in to the cocurrent, and rivers can slowly flow in basin 3 and be crossed and cut apart into triplex, partly rivers continue to move forward, partly rivers flow to the clearance between slow current planking 1 and the slow current inner panel 2 from the preceding water inlet 6 that flows into under the basin 3, last partly rivers flow to the clearance between slow current planking 1 and the slow current inner panel 2 from the back water inlet 7 that flows into under the basin 3, through the speed reduction between lower dogtooth 4 and the epirelief tooth 5, because slowly flow in basin 3 equidistant distribution on the slow current planking, so in every certain distance has rivers to enter into slow current planking 3, weaken the kinetic energy of rivers step by step, gradually alleviate the velocity of flowing water.

The utility model discloses a theory of operation is: a slow flow river flood plain structure of a hydropower station water outlet comprises: the slow flow outer plate, the slow flow inner plate, the slow flow water tank, the lower convex teeth, the upper convex teeth, the front water inlet and the rear water inlet; the main body of the slow flow river floodbeach structure of the water outlet of the hydropower station is a slow flow outer plate and a slow flow inner plate, and a gap is reserved between the slow flow outer plate and the slow flow inner plate; when the buffering inner plate is used, the buffering inner plate is arranged in the reserved groove, a supporting structure is poured around the buffering outer plate, the buffering outer plate is fixed on the supporting structure, and the distance from the bottom surface of the lower convex tooth to the bottom surface of the upper convex tooth is not less than thirty-five centimeters; after the installation finishes, rivers are gushed from the delivery port of power station, the top of slow class planking is flowed in to the cocurrent, and rivers can slowly flow in the basin and are crossed and cut apart into the triplex, partly rivers continue to move forward, partly rivers flow to the clearance between slow class planking and the slow class inner panel from the preceding water inlet that flows into under the basin, last some rivers flow to the clearance between slow class planking and the slow class inner panel from the back water inlet that flows into under the basin, through slow down between dogtooth and the last dogtooth, because the equidistant distribution of slow inflow basin is on the slow class planking, so there is rivers to enter into the slow inflow basin at every certain distance, weaken the kinetic energy of flowing water step by step, gradually alleviate the velocity of flowing water.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A slow flow river flood plain structure of a hydropower station water outlet comprises: the slow flow outer plate (1), the slow flow inner plate (2), a slow flow water inlet groove (3), a lower convex tooth (4), an upper convex tooth (5), a front water inlet (6) and a rear water inlet (7); the method is characterized in that: a main part of a slow flow river flood plain structure of a hydropower station water outlet is a slow flow outer plate (1) and a slow flow inner plate (2), and a gap is reserved between the slow flow outer plate (1) and the slow flow inner plate (2).

2. The slow flow flood plain structure of the hydropower station water outlet according to claim 1, wherein: the lower surface of the slow flow outer plate (1) is provided with lower trapezoidal convex teeth (4) at equal intervals, the upper surface of the slow flow inner plate (2) is provided with upper trapezoidal convex teeth (5) at equal intervals, the lower convex teeth (4) and the upper convex teeth (5) are meshed in a staggered mode, and the distance between the bottom surface of the lower convex teeth (4) after meshing and the bottom surface of the upper convex teeth (5) cannot be less than thirty-five centimeters.

3. The slow flow flood plain structure of the hydropower station water outlet according to claim 1, wherein: a slow inflow water tank (3) is arranged between every two lower convex teeth (4) on the slow inflow outer plate (1), the slow inflow water tank (3) is a right-angle trapezoidal cavity with a transverse cross section, and a front water inlet (6) and a rear water inlet (7) are reserved in each slow inflow water tank (3) due to the arrangement of each slow inflow water tank (3) and the shape relationship of the lower convex teeth (4).