CN218969898U

CN218969898U - Wave-resistant wall structure of water conservancy dam

Info

Publication number: CN218969898U
Application number: CN202223422687.7U
Authority: CN
Inventors: 蒋志煌; 陈圣恩; 陈嘉群; 李丽丽
Original assignee: Zhongyao Construction Fujian Co ltd
Current assignee: Zhongyao Construction Fujian Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-05
Anticipated expiration: 2032-12-20

Abstract

The application relates to the technical field of hydraulic engineering construction and provides a hydraulic dam wave-blocking wall structure, which comprises a plurality of drag reduction components, wherein all the drag reduction components are arranged at intervals along the height direction of a dam; the drag reduction assembly comprises a sliding plate, drag reduction pieces and two guide pieces, wherein the two guide pieces are arranged at intervals along the length direction of the dykes and dams, two ends of the sliding plate are respectively installed on the two guide pieces in a sliding mode, the sliding direction of the sliding plate and the height direction of the dykes and dams are arranged in the same direction, and the sliding plate is abutted to the drag reduction pieces. The utility model provides a water conservancy dam wave wall structure, when the slide received the impact of unrestrained, the impact force that the part unrestrained acted on of slide of drag reduction spare can be absorbed, and the slide slides to one side of keeping away from the surface of water through the shock attenuation spare, further carries out partial cancellation to the impact force of unrestrained, reduces dykes and dams and takes place the condition that stress concentration took place to damage, and then weakens the impact force that is transmitted to dykes and dams by slide and guide, makes dykes and dams have good steadiness and shock resistance.

Description

Wave-resistant wall structure of water conservancy dam

Technical Field

The application relates to the technical field of hydraulic engineering construction, in particular to a wave-resistant wall structure of a hydraulic dam.

Background

The hydraulic engineering is a built engineering for controlling and allocating surface water and underground water in nature to achieve the aim of removing harm and benefiting, and only the hydraulic engineering is built to control water flow, prevent flood disasters and regulate and allocate water quantity so as to meet the needs of people living and production on water resources.

The water waves contain huge energy, have super strong impact force on the bank or the dykes and are easy to erode the bank or the dykes so as to cause damage; therefore, people are provided with the wave-blocking wall on the dam, and the wave-blocking wall is usually vertical, so that the wave-blocking wall has poorer protection force against the impact of the wave-blocking body, is easy to generate the condition of stress concentration and damage, and therefore, has reduced protection effect on the dam.

Disclosure of Invention

In order to keep the protection effect to dykes and dams, the application provides a water conservancy dam wave-blocking wall structure.

The application provides a water conservancy dam hinders unrestrained wall structure adopts following technical scheme:

a wave-resistant wall structure of a water conservancy dam is arranged on the upstream surface of the dam and comprises a plurality of drag reduction components, wherein all the drag reduction components are arranged at intervals along the height direction of the dam; the drag reduction assembly comprises a sliding plate, drag reduction pieces and two guide pieces, wherein the two guide pieces are arranged at intervals along the length direction of the dykes and dams, and the drag reduction pieces are fixed on the dykes and the two guide pieces are positioned between the two guide pieces; the two ends of the sliding plate are respectively slidably arranged on the two guide pieces, the sliding direction of the sliding plate and the height direction of the dykes and dams are arranged in the same direction, and the sliding plate is abutted against the drag reduction pieces.

By adopting the technical scheme, when the water wave on the upstream surface of the dam is hit, the water wave can act on the surface of the sliding plate, and the sliding plate slides along the guide piece to the side far away from the water surface, so that the impact force on the water wave is partially counteracted, and the condition that the dam is damaged due to stress concentration is reduced; through setting up the drag reduction piece, the impact force that the drag reduction piece can absorb some unrestrained acting on the slide to reduce the slip speed of slide on the guide, and then weaken the impact force that is transmitted to dykes and dams by slide and guide, make dykes and dams have good steadiness and shock resistance.

Alternatively, the drag reducing member comprises a drag reducing rubber, the drag reducing rubber being fixed to the surface of the dike.

By adopting the technical scheme, through arranging the drag reduction rubber, on one hand, the sliding plate can squeeze the drag reduction rubber under the impact of water flow, so that the elasticity generated by the drag reduction rubber is counteracted with the impact of partial water waves on the sliding plate; on the one hand, the sliding plate is abutted with the drag reduction rubber, so that resistance is generated when the sliding plate slides, and the sliding speed of the sliding plate on the guide piece can be reduced.

Optionally, the drag reduction rubber is wedge-shaped, the drag reduction rubber is close to the vertical setting in one side of slide.

Through adopting foretell technical scheme, through setting up drag reduction rubber into wedge shape, increase the frictional force between slide and the drag reduction rubber, improved the resistance of slide when the guide slides to reduce the sliding speed of slide at the guide.

Optionally, one side of the sliding plate far away from the drag reduction piece is provided with an arc-shaped surface.

Through adopting foretell technical scheme, through setting up the arcwall face, the unrestrained when striking the slide of water, the arcwall face can lead the unrestrained, makes the unrestrained backward flow that can form, and then reduces the unrestrained impact to dykes and dams.

Optionally, the sliding plate is provided with a plurality of diversion holes.

By adopting the technical scheme, when the water wave hits the sliding plate, part of the water wave flows to the other side through the diversion hole of the sliding plate, so that the impact of the water wave on the sliding plate is reduced, and the impact force transmitted to the dam by the sliding plate and the guide piece is further weakened.

Optionally, the guide sets up to the fixed block, the fixed block is fixed in dykes and dams, two the spout has all been seted up to the one side that the fixed block is close to each other, the both ends of slide respectively slide in two spouts.

Through adopting foretell technical scheme, through setting up the fixed block, can make the slide in the spout when the slide receives the impact of water wave, can offset the partial impact force of water wave, reduce dykes and dams and receive the impact force of water wave, improve the steadiness of dykes and dams.

Optionally, the reset piece includes reset spring, reset spring's one end is fixed in the slide rail and keeps away from the one side of drag reduction piece, reset spring's the other end is fixed mutually with the slide.

By adopting the technical scheme, the reset spring is arranged, so that the sliding plate can be restored to the initial state after sliding, and continuous impact can be carried out on the sliding plate by water waves; on the one hand, when the slide receives the impact, reset spring can produce the partial impact force mutual offset of elastic force and rivers, makes the impact force that the slide acted on dykes and dams reduce, is favorable to improving the steadiness of dykes and dams.

Optionally, the surface of the return spring is covered with a waterproof membrane.

Through adopting foretell technical scheme, through setting up the water proof membrane, reduce reset spring and soak the condition that takes place the corruption in water for a long time, improve reset spring's life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up slide, drag reduction piece and two guide pieces, when the slide receives the impact of water wave, the drag reduction piece can absorb the impact force that partial water wave acted on the slide, and the slide slides to the one side that keeps away from the surface of water along the guide piece through the shock attenuation piece, further carries out partial cancellation to the impact force of water wave, reduces dykes and dams and takes place the condition that stress concentration takes place to damage, and then weakens the impact force that is transmitted to dykes and dams by slide and guide piece, makes dykes and dams have good steadiness and shock resistance;

2. the friction force between the sliding plate and the drag reducing rubber is increased by arranging the drag reducing rubber into a wedge shape, so that the resistance of the sliding plate when the guiding piece slides is improved, and the sliding speed of the sliding plate on the guiding piece is reduced;

3. through setting up reset spring, when the slide received the impact, reset spring can produce the partial impact force mutual offset of elastic force and rivers, makes the impact force that the slide acted on dykes and dams reduce, is favorable to improving the steadiness of dykes and dams.

Drawings

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

FIG. 2 is an enlarged view of a portion at A of FIG. 1;

FIG. 3 is a partial cross-sectional view of the present embodiment;

fig. 4 is a partial enlarged view at B of fig. 3.

Reference numerals illustrate: 1. a drag reducing assembly; 2. a slide plate; 21. an arc surface; 22. a deflector aperture; 3. resistance reducing rubber; 4. a fixed block; 41. a chute; 42. a rubber sheet; 5. a return spring; 6. dykes and dams.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a water conservancy dam wave-blocking wall structure.

Referring to fig. 1, a wave-blocking wall structure of a water conservancy dam is installed on an upstream surface of a dam 6 and comprises a plurality of drag reduction components 1, wherein the upstream surface of the dam 6 is an inclined surface, so that the impact of water waves on the upstream surface of the dam 6 can be reduced; all the drag reduction assemblies 1 are arranged at intervals along the height direction of the dam 6, each drag reduction assembly 1 comprises a sliding plate 2, a drag reduction member and two guide members, the two guide members are used for enabling the sliding plate 2 to slide, and the drag reduction member is used for absorbing impact force of water waves on the sliding plate 2.

Referring to fig. 2, the guide member includes fixing blocks 4, the two fixing blocks 4 are disposed at intervals along the length direction of the dike 6, a sliding groove 41 is formed at one side of the two fixing blocks 4, which is close to each other, and both ends of the sliding plate 2 are slidably mounted in the sliding groove 41 of the two fixing blocks 4 through the guide blocks. The sliding plate 2 is normally positioned on one side of the sliding groove 41 close to the water surface, when the water waves impact the sliding plate 2, the sliding plate 2 can slide on one side far away from the water surface, so that the impact force on the water waves is partially counteracted, and the condition that the dam 6 is damaged due to stress concentration is reduced. In this embodiment, the rubber sheet 42 is disposed on the inner wall of the sliding groove 41, so that the frictional resistance between the sliding plate 2 and the sliding groove 41 can be increased, the sliding speed of the sliding plate 2 in the sliding groove 41 can be reduced, and the impact force transmitted to the dam 6 by the sliding plate 2 and the guide member can be reduced.

In this embodiment, the guide is provided as the fixed block 4 provided with the sliding groove 41, and in other embodiments, the guide can be provided as a sliding rail, but only the sliding plate 2 can slide on the guide.

The fixed block 4 is provided with a return spring 5 for restoring the sliding plate 2 to an initial state, so that the continuous impact of the water wave on the sliding plate 2 is realized; one end of the return spring 5 is fixed on one side of the chute 41 away from the water surface, and the other end of the return spring 5 is fixed on the side wall of the guide block. By providing the return spring 5, the impact force received by the slide plate 2 can be offset from the elastic force generated by the return spring 5, so that the impact force of the slide plate 2 on the dike 6 is reduced.

Referring to fig. 3, the drag reduction member is configured as drag reduction rubber 3, the drag reduction rubber 3 is fixed on the upstream surface of the dike 6 and is located on one side of the fixed block 4 close to the water surface, the drag reduction rubber 3 is abutted against the bottom surface of the slide plate 2, the slide plate 2 can squeeze the drag reduction rubber 3 after being impacted by water flow, at this time, the drag reduction rubber 3 is elastically deformed, and the elasticity generated by the drag reduction rubber 3 is counteracted with the impact force received by the slide plate 2, so that the impact force transmitted by the slide plate 2 to the dike 6 can be reduced, and the dike 6 has good stability.

Referring to fig. 4, the drag reducing rubber 3 is wedge-shaped, and one end of the drag reducing rubber 3 near the sliding plate 2 is vertically arranged, and by arranging the drag reducing rubber 3 in wedge-shaped, the friction resistance of the sliding plate 2 relative to the sliding of the drag reducing rubber 3 is improved, so that the sliding speed of the sliding plate 2 on a guide piece is reduced, and the impact force transmitted to the dykes 6 by the sliding plate 2 is reduced.

Referring to fig. 2, the side of the slide plate 2 far away from the drag reduction rubber 3 is provided with an arc surface 21, and by arranging the arc surface 21, when the slide plate 2 is impacted by water waves, the arc surface 21 can guide the water waves, so that the water waves can form backflow, and further, the impact of the water waves on the dam 6 is reduced.

Referring to the arc-shaped surface 21 of the sliding plate 2, a plurality of diversion holes 22 are formed, when water flow impacts the sliding plate 2, part of water flow is diverted through the diversion holes 22 of the sliding plate 2, so that the impact of water waves on the sliding plate 2 can be reduced, and the stability of the dam 6 is improved.

The implementation principle of the water conservancy dam wave-resistant wall structure is as follows:

when the water wave of the upstream surface of the dyke 6 is beaten, the impact force of the water flow acts on the surface of the slide plate 2, the drag reduction rubber 3 can absorb the impact force of partial water wave acting on the slide plate 2, the slide plate 2 slides to one side far away from the water surface along the fixed block 4 through the damping piece, the impact force of the water wave is further partially counteracted, the condition that the dyke 6 is damaged due to stress concentration is reduced, and then the impact force transmitted to the dyke 6 by the slide plate 2 and the fixed block 4 is weakened, so that the dyke 6 has good stability and impact resistance.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a water conservancy dam hinders unrestrained wall structure, installs in the upstream face of dykes and dams (6), its characterized in that: the device comprises a plurality of drag reduction assemblies (1), wherein all the drag reduction assemblies (1) are arranged at intervals along the height direction of a dam (6); the drag reduction assembly (1) comprises a sliding plate (2), drag reduction pieces and two guide pieces, wherein the two guide pieces are arranged at intervals along the length direction of the dam (6), and the drag reduction pieces are fixed on the dam (6) and are positioned between the two guide pieces; the two ends of the sliding plate (2) are respectively slidably arranged on the two guide pieces, the sliding direction of the sliding plate (2) and the height direction of the dykes and dams (6) are arranged in the same direction, and the sliding plate (2) is abutted to the drag reduction pieces.

2. The hydraulic dam wave wall structure according to claim 1, wherein: the drag reduction piece is arranged as drag reduction rubber (3), and the drag reduction rubber (3) is fixed on the surface of the dam (6).

3. The hydraulic dam wave wall structure according to claim 2, wherein: the drag reduction rubber (3) is wedge-shaped, and one side of the drag reduction rubber (3) close to the sliding plate (2) is vertically arranged.

4. The hydraulic dam wave wall structure according to claim 1, wherein: one side of the sliding plate (2) far away from the drag reduction piece is provided with an arc-shaped surface (21).

5. The hydraulic dam wave wall structure according to claim 1, wherein: the sliding plate (2) is provided with a plurality of diversion holes (22).

6. The hydraulic dam wave wall structure according to claim 1, wherein: the guide piece is arranged to be a fixed block (4), the fixed block (4) is fixed to a dam (6), sliding grooves (41) are formed in one sides, close to each other, of the fixed blocks (4), and two ends of the sliding plate (2) slide in the two sliding grooves (41) respectively.

7. The hydraulic dam wave wall structure according to claim 6, wherein: the fixed block (4) is provided with a return spring (5), one end of the return spring (5) is fixed on one side of the sliding groove (41) away from the water surface, and the other end of the return spring (5) is fixed with the sliding plate (2).

8. The hydraulic dam wave wall structure according to claim 7, wherein: the surface of the reset spring (5) is covered with a waterproof film.