CN220746825U - Shaft type energy dissipation spillway - Google Patents

Abstract

The embodiment of the utility model discloses a vertical shaft type energy dissipation spillway, which particularly relates to the technical field of spillways, and comprises a vertical shaft, wherein an energy dissipation well is arranged at the bottom in the vertical shaft, a drainage tunnel is arranged at the bottom of one side in the vertical shaft, one port of the drainage tunnel is communicated with the bottom of one side of the vertical shaft, a group of buffering inclined ramps are fixedly arranged on the inner walls of two sides in the vertical shaft, a filtering steel bar group is arranged in the middle of the vertical shaft, a interception chute is arranged on the inner wall of one side of the middle of the vertical shaft, and the two groups of buffering inclined ramps are arranged in a crossing manner, so that drainage water falling into the vertical shaft can flow through the vertical shaft in a baffling manner under the buffering guide of the buffering inclined ramps, the kinetic energy of the drainage water falling under the water is effectively reduced, the direct impact on the inner wall of the spillway is avoided, and the service life of the spillway is shortened.

Description

Shaft type energy dissipation spillway

Technical Field

The utility model relates to the technical field of spillways, in particular to a vertical shaft type energy dissipation spillway.

Background

The spillway is flood control equipment of water conservancy buildings such as reservoirs, and is mostly built on one side of a dam, like a large groove, when the water level in the reservoir exceeds the safety limit, water flows out from the spillway to the downstream, so that the dam is prevented from being destroyed. The small and medium-sized reservoirs used for irrigation and power generation are often designed into shaft type spillways due to the influence of various factors such as geological conditions, surrounding environments and the like, and after the water level rises and goes up through the shaft, flood can fall into the shaft and then be discharged.

The utility model discloses a chinese patent of current patent application number 202122760485.2 discloses a shaft formula energy dissipation spillway, relates to spillway technical field, and this shaft formula energy dissipation spillway includes the shaft of overflow weir and center department thereof, and the bottom of shaft is equipped with the energy dissipation well, and the lateral wall of shaft and the top that is located the energy dissipation well are equipped with horizontal water escape tunnel, vertical decurrent energy dissipation passageway has been seted up on the inclined wall of overflow weir, and the bottom of energy dissipation passageway is arcuation and tip upwards communicates with the inside of shaft, the bottom of energy dissipation well is spherical, and this shaft formula energy dissipation spillway, when the water that spills gets into the spillway, partial water through falling into energy dissipation passageway upward movement under the arcuation structure of energy dissipation passageway, the rivers that fall down in the striking shaft to can reduce the gravitational potential energy of falling down rivers in the energy dissipation well, the spherical energy dissipation well can be with the inner wall upward movement of water stream along the energy dissipation well when the inside ponding of water stream falling down, further stable structure.

However, the vertical shaft type energy dissipation spillway still has defects in actual use, for example, only one side energy dissipation channel is arranged, the vertical shaft is communicated with the energy dissipation well in a straight-through way, the energy dissipation effect on water is general, the falling speed of the water cannot be sufficiently reduced, meanwhile, certain filtering is not carried out on part of large fixed impurities, and once the channel is blocked, the drainage of the spillway is easily affected.

Disclosure of Invention

Therefore, the utility model provides a vertical shaft type energy dissipation spillway, which solves the problems that in the prior art, as only one side energy dissipation channel is arranged, the vertical shaft is communicated with an energy dissipation well in a straight-through way, and meanwhile, certain filtration is not carried out on part of large fixed impurities, the energy dissipation effect on water is general, the falling speed of the water cannot be sufficiently reduced, and once the channel is blocked, the drainage of the spillway is easily affected.

In order to achieve the above object, the present utility model provides the following technical solutions:

the vertical shaft is internally provided with an energy dissipation well at the bottom, a drainage tunnel is arranged at the bottom of one side in the vertical shaft, a port of the drainage tunnel is communicated with the bottom of one side of the vertical shaft, a group of buffering inclined ramps are fixedly arranged on the inner walls of two sides in the vertical shaft, a filtering steel bar group is arranged in the middle of the vertical shaft, and a interception chute is formed in the inner wall of one side of the middle of the vertical shaft.

Further, each group of buffering ramp is two, and two groups of buffering ramps are arranged in a staggered mode.

Further, the filtering reinforcement set consists of a plurality of parallel and obliquely arranged reinforcements.

Furthermore, overflow ports are formed in two sides of the top opening of the vertical shaft, and the planes of the overflow ports are the same in height and are horizontally arranged.

Further, the bottom surface of the water inlet port of the sewer tunnel is provided with a raised cornice.

Further, the energy dissipation well is arranged in a spherical shape, and the top of the energy dissipation well is communicated with the inner bottom of the vertical shaft.

Further, the top in the vertical shaft is in a horn shape with a large upper opening and a small lower opening.

Further, the inner bottom surface of the interception chute is obliquely arranged, and the height of the inner bottom surface Gao Jiebian of the interception chute is the same as that of the inclined bottom edge of the filtering reinforcement set.

The embodiment of the utility model has the following advantages: this shaft formula energy dissipation spillway is through setting up two sets of buffering ramps to make two sets of buffering ramps alternately set up, thereby can make the drainage water that falls into in the shaft flow through the shaft with the form of baffling under the buffering guide of buffering ramp, and then effectually reduced the kinetic energy that the drainage water falls down, avoid direct drainage water direct impact spillway inner wall, reduced the life of spillway, can hold back great solid debris through setting up the filtration reinforcing bar group that a plurality of reinforcing bar constitutes simultaneously, under the drainage's of flushing, the solid debris of holding back can remove to hold back in the chute, thereby can avoid solid debris to pile up and jam the tunnel that drains, thereby influence the condition emergence of drainage.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

Fig. 1 is a schematic structural view of a vertical shaft type energy dissipation spillway;

fig. 2 is a schematic plan view of an inner part of a top-down part of a shaft type energy dissipation spillway provided by the utility model;

in the figure: 1. a shaft; 2. an energy dissipation well; 3. a launch tunnel; 4. an overflow port; 5. buffering the ramp; 6. filtering the steel bar set; 7. a entrapment chute; 8. protruding cornice.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides the technical scheme that: including shaft 1, the bottom is provided with energy dissipation well 2 in the shaft 1, one side bottom is provided with down water tunnel 3 in the shaft 1, a port and shaft 1 one side bottom intercommunication of down water tunnel 3, equal fixed mounting has a set of buffering ramp 5 on the inner wall of the shaft 1 both sides, shaft 1 middle part is provided with filters reinforcing bar group 6, interception chute 7 has been seted up to shaft 1 middle part one side inner wall.

In this embodiment, each group of buffer ramps 5 is two, and two groups of buffer ramps 5 are arranged in a staggered manner, and the two groups of buffer ramps 5 are arranged in a crossed manner, so that the drainage water falling into the vertical shaft 1 flows in a baffling manner under the buffer guidance of the buffer ramps 5 to pass through the vertical shaft 1, and the kinetic energy of the drainage water falling is effectively reduced.

The filtering steel bar set 6 consists of a plurality of steel bars which are arranged in parallel and inclined, and larger solid sundries can be intercepted by arranging the filtering steel bar set 6 consisting of a plurality of steel bars.

The two sides of the top opening of the vertical shaft 1 are provided with overflow ports 4, the planes of the openings of the overflow ports 4 are the same in height and are horizontally arranged, and the draft of the overflow ports 4 can be consistent.

The bottom surface of the water inlet port of the sewer tunnel 3 is provided with a raised cornice 8, so that the thoroughly buffered energy-dissipating drainage water can flow into the sewer tunnel 3 after rising to the height.

The energy dissipation well 2 is spherical for the inner chamber setting, energy dissipation well 2 top and the interior bottom intercommunication in shaft 1, and spherical energy dissipation well 2 can be with rivers upward movement along the inner wall of energy dissipation well when the inside ponding of rivers whereabouts striking, and the rivers that bump with the whereabouts are energy dissipation, further stabilizes the structure of spillway, and the practicality is good.

The top in the vertical shaft 1 is in a horn-shaped arrangement with a large upper opening and a small lower opening, so that the drainage water can conveniently enter the vertical shaft 1.

The inner bottom surface of the interception chute 7 is obliquely arranged, and the height of the high-order side of the inner bottom surface of the interception chute 7 is the same as that of the inclined bottom side of the filtering reinforcement set 6, so that larger solid impurities filtered by the filtering reinforcement set 6 can move into the interception chute 7 under the impact of drainage water.

Working principle: when the water flow exceeds the safety limit, the water in the drainage can enter the vertical shaft 1 through the overflow port 4, and then the water in the drainage can be buffered and guided through the buffer inclined ramps 5 which are arranged in a staggered manner in a height manner, so that the water in the drainage can flow in a baffling mode, the situation that the water in the drainage directly falls into the bottom of the vertical shaft 1 and finally enters the energy dissipation well 2 is avoided, the falling kinetic energy of the water in the drainage can be effectively reduced, the inside of the impact spillway is avoided, the service life is reduced, meanwhile, the filtering steel bar set 6 is arranged near the opening of the vertical shaft 1, larger solid impurities can be trapped, the trapped solid impurities can be moved into the trapping chute 7 under the impact of the solid impurities, the situation that the drainage is influenced is avoided, and the drainage is blocked once the drainage tunnel 3 is blocked, and the cleaning is inconvenient.

In summary, this shaft formula energy dissipation spillway is through setting up two sets of buffering ramps to make two sets of buffering ramps alternately set up, thereby can make the drainage water that falls into in the shaft flow through the shaft with the form of baffling under the buffering guide of buffering ramp, and then effectually reduced the kinetic energy that the drainage water falls, avoid direct drainage water direct impact spillway inner wall, reduced the life of spillway, simultaneously can be to the interception of great solid debris through setting up the filtration reinforcing bar group that a plurality of reinforcing bar constitutes, under the drainage water's the drainage, the solid debris of interception can remove to interception chute in, thereby can avoid solid debris to pile up the condition emergence of blockking up the drainage tunnel, thereby influence the drainage.

The terms such as "upper", "lower", "left", "right", "middle", etc. are used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the relative changes or modifications thereof are considered to be within the scope of the present utility model without substantial modification of the technical content

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides a shaft formula energy dissipation spillway, includes shaft (1), its characterized in that, be provided with energy dissipation well (2) in shaft (1), one side bottom is provided with in shaft (1) drainage tunnel (3), a port and shaft (1) one side bottom intercommunication of drainage tunnel (3), all fixed mounting has a set of buffering ramp (5) on the inner wall of both sides in shaft (1), shaft (1) middle part is provided with filtration reinforcing bar group (6), interception chute (7) have been seted up to shaft (1) middle part one side inner wall.

2. Shaft type energy dissipation spillway according to claim 1, characterized in that the number of buffer ramps (5) in each group is two, and the buffer ramps (5) in the two groups are arranged in a staggered manner.

3. Shaft type energy dissipating spillway according to claim 1, characterized in that the filter rebar set (6) consists of several parallel obliquely arranged rebars together.

4. The vertical shaft type energy dissipation spillway according to claim 1, wherein overflow ports (4) are arranged on two sides of an opening at the top of the vertical shaft (1), and the planes of the overflow ports (4) are the same in height and are horizontally arranged.

5. Shaft type energy dissipating spillway according to claim 1, characterized in that the bottom surface of the water inlet port of the sewer tunnel (3) is provided with a protruding cornice (8).

6. The vertical shaft type energy dissipation spillway according to claim 1, wherein the energy dissipation well (2) is arranged in a spherical inner cavity, and the top of the energy dissipation well (2) is communicated with the inner bottom of the vertical shaft (1).

7. Shaft type energy dissipation spillway according to claim 1, characterized in that the top inside the shaft (1) is in a trumpet-like arrangement with a large upper opening and a small lower opening.

8. The shaft type energy dissipation spillway according to claim 1, wherein the inner bottom surface of the interception chute (7) is obliquely arranged, and the height of the inner bottom surface Gao Jiebian of the interception chute (7) is the same as that of the oblique bottom edge of the filtering steel bar set (6).