CN211596668U

CN211596668U - Water storage reservoir

Info

Publication number: CN211596668U
Application number: CN202020069215.XU
Authority: CN
Inventors: 田林钢; 张龙飞; 宋永嘉; 张宪雷; 雷杰; 张俊华; 许典杰
Original assignee: Henan North China Water Resources And Hydropower Survey And Design Co ltd
Current assignee: Henan North China Water Resources And Hydropower Survey And Design Co ltd
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2020-09-29
Anticipated expiration: 2030-01-11

Abstract

The utility model relates to a water storage reservoir, which relates to the technical field of hydraulic engineering and comprises a dam body, wherein the dam body comprises a water facing surface and a water backing surface, a pipe network layer, a protective network layer, a nutrient soil layer and a vegetable layer are sequentially arranged on the water facing surface along the direction away from the dam body, and the protective network layer comprises a plurality of tiled protective screen plates; the pipe network layer comprises a plurality of flow guide pipes arranged in the direction vertical to the length direction of the dam body; a plurality of fixing devices for fixing the flow guide pipe are arranged on the dam body; each honeycomb duct is provided with a placing plate along the length direction of the honeycomb duct, and a protective screen plate is connected between every two adjacent placing plates; the placing plate is provided with a plurality of blocking plates which are uniformly distributed along the length direction of the placing plate, and the length direction of each blocking plate is consistent with the length direction of the dam body; the nutrient soil layer is arranged on the protective net plate, and the vegetable layer is arranged on the nutrient soil layer. The utility model discloses have the effect that reduces the rainwater and to domatic washing away, prevent soil erosion and water loss.

Description

Water storage reservoir

Technical Field

The utility model belongs to the technical field of hydraulic engineering's technique and specifically relates to a retaining reservoir is related to.

Background

The reservoir is a water conservancy project building for storing flood and regulating water flow, and has the functions of irrigation, power generation, flood control and the like. The reservoir dam body is a main bearing structure for the reservoir to store water, and in the existing rural reservoir, the earth-rock dam structure is mostly adopted due to the reasons of capital, scale and the like. An earth-rock dam is a dam built by local earth materials, stone materials or mixture materials through methods of throwing, filling, rolling and the like. When the dam body material mainly comprises soil and gravel, the dam is called an earth dam; when stone slag, pebbles and blasting stones are mainly used, the stone dam is called; when the two types of local materials account for a certain proportion, the dam is called an earth-rock mixed dam.

The existing earth dam with a buffering slope disclosed by an authorized notice number CN207828916U comprises an earth dam body, a heat insulation layer, deformation joints and a plurality of speed reducing rods; the upper surface of earth dam body is the convex surface, the heat preservation sets up earth dam body is surperficial, the movement joint sets up the inside of earth dam body, the movement joint includes movement joint body and power guide rod, power guide rod with the perpendicular connection of movement joint body, this internal epoxy that is provided with of movement joint, it is a plurality of the speed reduction pole evenly sets up in earth dam body one side.

The above prior art solutions have the following drawbacks: the epoxy resin is only arranged in the deformation joint of the earth dam, so that the anti-scouring capability of the deformation joint is enhanced, but the earth dam body has no protective measures, and under the scouring of water flow and rainfall of the reservoir, the condition that earth on the surface of an earth slope is flushed into the reservoir can be generated, so that water and soil loss is caused, and in severe cases, slope landslide is even caused, so that the storage flood control effect of the reservoir is influenced. In view of the above problems, there is a need for a reservoir with a water and soil loss prevention revetment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a retaining reservoir with soil erosion and water loss prevention bank protection.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a water storage reservoir comprises a dam body, wherein the dam body comprises a water facing surface and a water backing surface, a pipe network layer, a protection network layer, a nutrition soil layer and a vegetable layer are sequentially arranged on the water facing surface along the direction far away from the dam body, and the protection network layer comprises a plurality of tiled protection network plates; the pipe network layer comprises a plurality of flow guide pipes arranged in the direction vertical to the length direction of the dam body; a plurality of fixing devices for fixing the flow guide pipe are arranged on the dam body; each honeycomb duct is provided with a placing plate along the length direction of the honeycomb duct, and a protective screen plate is connected between every two adjacent placing plates; the placing plate is provided with a plurality of blocking plates which are uniformly distributed along the length direction of the placing plate, and the length direction of each blocking plate is consistent with the length direction of the dam body; the nutrient soil layer is arranged on the protective net plate, and the vegetable layer is arranged on the nutrient soil layer.

By adopting the technical scheme, when raining, rainwater on the top of the dam body is directly guided to the lower end of the slope through the flow guide pipe, so that the phenomenon that water flow is gathered on the surface of the slope and continuously flows along the slope to wash the slope surface is avoided; rainfall of other parts is beaten on the vegetable layer, and at the in-process of flowing toward the slope, through the buffering of vegetable layer and protection otter board, constantly reduce rivers, cause only a small amount of rainfall contact domatic, play the effect that prevents soil erosion and water loss.

The utility model discloses further set up to: the fixing device comprises a fixing anchor with one end inserted into the dam body, and one end of the fixing anchor far away from the dam body is fixedly connected to the flow guide pipe.

Through adopting above-mentioned technical scheme, the stiff anchor has improved the stability of structure with honeycomb duct fixed connection.

The utility model discloses further set up to: the placing plate is parallel to the upstream face, a plurality of fixing columns are evenly distributed on the placing plate along the length direction of the placing plate, a plurality of connecting holes for inserting the fixing columns are formed in the flow guide pipe, and the fixing columns penetrate through the protection screen plate and are inserted into the connecting holes.

Through adopting above-mentioned technical scheme, the fixed column runs through the protection otter board and inserts in the connecting hole, can fix the protection otter board on the honeycomb duct with placing the board simultaneously, reduces unnecessary connection structure.

The utility model discloses further set up to: the protective net plate comprises a first steel net layer, a water absorption layer and a second steel net layer which are sequentially arranged in the direction away from the dam body; the fixing column penetrates through the second steel mesh layer, the water absorption layer and the first steel mesh layer in sequence and is inserted into the connecting hole in the flow guide pipe.

By adopting the technical scheme, the protective net plate can support the nutrient soil layer and the vegetable layer to play a role in stabilizing the structure; meanwhile, the water absorption layer inside the protection net plate can further absorb part of rainfall penetrating through the vegetable layer, and impact of the rainfall on the slope is reduced.

The utility model discloses further set up to: the mouth of pipe of honeycomb duct can be dismantled and be equipped with the filter mantle.

Through adopting above-mentioned technical scheme, prevent that debris from getting into in the honeycomb duct, block up the honeycomb duct, reduce its drainage effect.

The utility model discloses further set up to: the blocking plate is provided with a plurality of through holes which are uniformly distributed.

By adopting the technical scheme, when water flows through the nutrient soil layer, one part of the water flows continuously towards the slope surface, and the other part of the water flows along the slope surface inclination direction of the dam body directly through the through holes on the blocking plate, so that the water flow passing through the nutrient soil layer is reduced.

The utility model discloses further set up to: the blocking plate is arranged perpendicular to the upstream face.

Through adopting above-mentioned technical scheme, directly set up the baffler perpendicular to upstream face for group's baffle perpendicular to nutrition soil layer can effectively organize nutrition soil layer and follow the gliding loss of upstream face.

The utility model discloses further set up to: and an anti-seepage geomembrane is arranged on the dam body.

By adopting the technical scheme, when water flows through the slope surface of the dam body or scours the slope surface, the water flow is blocked, and the water flow is prevented from continuously permeating into the dam body to damage the stability of the dam body structure.

The utility model discloses further set up to: and a concrete reinforcing foot is arranged at the bottom end of the dam body.

By adopting the technical scheme, the connection between the dam body and the ground is reinforced, and the integral structural strength of the soil slope is improved.

To sum up, the utility model discloses a beneficial technological effect does:

1. when raining, rainwater on the top of the dam body is directly guided to the lower end of the slope through the flow guide pipe, so that the phenomenon that water flow is gathered on the surface of the slope and continuously flows along the slope to wash the slope surface is avoided; the rainfall of other parts is beaten on the vegetable layer, and in the process of flowing to the slope surface, the water flow is continuously reduced through the buffering of the vegetable layer and the protection screen plate, so that only a small amount of rainfall contacts the slope surface, and the effect of preventing water and soil loss is achieved;

2. a filter cover is added at the nozzle of the flow guide pipe to prevent the flow guide pipe from being blocked;

3. reinforcing feet are added at the bottom of the dam body, so that the structural strength of the dam body is improved, and the dam body is more durable.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a reservoir dam;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of a draft tube;

FIG. 4 is a cross-sectional view of the placement plate and draft tube;

FIG. 5 is a schematic view of a protective screening plate structure;

FIG. 6 is an exploded view of the placement plate and the barrier plate;

FIG. 7 is a cross-sectional view of a placement plate and a barrier plate;

fig. 8 is a schematic view of the structure of the anchor and the catheter.

In the figure, 1, a dam body; 11. an impermeable geomembrane; 2. a pipe network layer; 21. a flow guide pipe; 22. fixing an anchor; 23. placing the plate; 231. a barrier plate; 2311. a through hole; 2312. a fixed block; 232. fixing a column; 233. a bolt; 234. placing holes; 235. a screw hole; 24. connecting holes; 25. a filter housing; 26. a housing; 261. fixing screws; 262. a first housing; 263. a second housing; 264. a connecting plate; 3. a protective mesh layer; 31. a protective mesh plate; 311. a first steel mesh layer; 312. a water-absorbing layer; 313. a second steel mesh layer; 4. a nutrient soil layer; 5. a vegetable layer; 6. Concrete reinforcing foot.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 1, for the utility model discloses a retaining reservoir, including dam body 1, dam body 1 cross section is isosceles trapezoid, and dam body 1 both sides are upstream face and the surface of a water back respectively, and dam body 1 is inside to be equipped with one deck prevention of seepage geomembrane 11.

Referring to fig. 1, in order to enhance the structural strength of the dam 1, concrete reinforcing feet 6 are respectively arranged at the connection parts of the two sides of the dam 1 and the ground. The two concrete reinforcing feet 6 are connected to the lower parts of the inclined planes on the two sides of the dam body 1, and the cross sections of the two concrete reinforcing feet are in a right trapezoid shape. Because the reinforcing feet are made of concrete, the reinforcing feet are more resistant to rainwater erosion, the erosion damage effect of rainwater guided to the reinforcing feet through the upstream surface and the downstream surface on the dam body 1 at the joint of the concrete reinforcing feet 6 is greatly reduced, and the effect of protecting the dam body 1 is achieved.

Referring to fig. 1, in order to enhance the capability of the dam body 1 of resisting rain erosion, a pipe network layer 2, a protective network layer 3, a nutrient soil layer 4 and a vegetation layer 5 are sequentially arranged on the upstream face of the dam body 1 along the direction far away from the dam body 1.

Referring to fig. 1, the pipe network layer 2 includes a plurality of draft tubes 21 arranged along a direction perpendicular to the length direction of the dam body 1, the draft tubes 21 are cylindrical hollow steel pipes, one end of each draft tube 21 is close to the top of the dam body 1, and the other end of each draft tube 21 extends to a position close to the concrete reinforcing foot 6. The water-facing surface is provided with a plurality of fixed anchors 22 for fixing the draft tube 21, and the fixed anchors 22 are strip-shaped solid cylindrical rods. One end of the fixed anchor 22 is inserted into the dam body 1, and the other end is welded on the flow guide pipe 21. The arrangement of the pipe network layer 2 can enhance the water guiding capacity of the slope surface of the dam body 1, so that rainwater at the top of the dam body 1 is directly guided away through the flow guide pipe 21 and cannot be gathered into water flow on the slope surface of the dam body 1, the erosion of the rainwater on the slope surface of the dam body 1 is reduced, and the effect of reducing the water and soil loss of the dam body 1 is achieved.

Referring to fig. 3, a filter cover 25 is fastened to the opening of the draft tube 21 to prevent the draft tube 21 from being blocked.

Referring to fig. 4, each draft tube 21 is provided with a placing plate 23 along the length direction of the draft tube 21, and the placing plate 23 is parallel to the upstream surface. A plurality of fixing columns 232 are evenly distributed on each placing plate 23 along the length direction of the placing plate 23, the fixing columns 232 and the placing plate 23 are integrally formed, and a plurality of connecting holes 24 for inserting the fixing columns 232 are formed in the flow guide pipe 21. When the placing plate 23 is installed, the fixing posts 232 on the placing plate 23 are aligned with the connecting holes 24 on the draft tube 21 one by one, and then inserted. Every two adjacent boards 23 are connected with a protection screen plate 31, and the protection screen layer 3 is formed by tiling a plurality of protection screen plates 31.

Referring to fig. 5, the guard net plate 31 includes a first steel mesh layer 311, a water absorption layer 312, and a second steel mesh layer 313 sequentially arranged in a direction away from the dam 1. The first steel mesh layer 311 and the second steel mesh layer 313 are made of common steel meshes, and the water absorption layer 312 is mainly made of water absorption sponge. When the device is installed, the first steel mesh layer 311, the water absorption layer 312 and the second steel mesh layer 313 are laid in sequence from bottom to top, and then the placing plate 23 is assembled, so that the fixing columns 232 on the placing plate 23 sequentially penetrate through the second steel mesh layer 313, the water absorption layer 312 and the first steel mesh layer 311 and are inserted into the connecting holes 24 on the draft tube 21. Thus, the placing plate 23 is firmly installed, and the three-layer structure of the protection net plate 31 is tightly attached to each other. During rainstorm, the protection net plate 31 can effectively play a role in buffering and absorbing rainwater impact and reducing direct scouring damage to the dam body 1.

Referring to fig. 6 and 7, the placing plate 23 is provided with a plurality of blocking plates 231 uniformly arranged along the length direction of the placing plate 23, the blocking plates 231 are provided with fixing blocks 2312, and the placing plate is provided with placing holes 234 for the fixing blocks 2312 to be inserted. The placing plate 23 is provided with bolts 233 and screw holes 235 into which the bolts 233 are inserted. In assembly, the bolts 233 are inserted into the fixing blocks 2312 through the screw holes 235, and the blocking plate 231 is fixed to the mounting plate 23. The length direction of the blocking plate 231 is consistent with the length direction of the dam body 1 and is perpendicular to the upstream face, a plurality of through holes 2311 which are uniformly distributed are formed in the blocking plate 231, when water flows through the nutrient soil layer 4, one part of the water flows continuously towards the slope, and the other part of the water flows along the slope inclined direction of the dam body 1 directly through the through holes 2311 in the blocking plate 231, so that the water flow passing through the nutrient soil layer 4 is reduced, the rainfall diversion is realized, and the scouring effect is reduced.

Referring to fig. 1, the nutrient soil layer 4 comprises nutrient soil laid on the protective net plate 31, the thickness of the nutrient soil layer 4 is 20cm, and the nutrient soil is formed by mixing 5 parts of leaf rotting soil, 2 parts of garden soil, 2 parts of sandy soil and 1 part of loam. Copper cash grass is planted on the nutrient soil layer 4 to form a vegetation layer 5, and the vegetation layer 5 plays a role in buffering rainfall and reducing water flow.

The implementation principle of the embodiment is as follows: when raining, rainwater on the top of the dam body is directly guided to the lower end of the slope through the flow guide pipe, so that the phenomenon that water flow is gathered on the surface of the slope and continuously flows along the slope to wash the slope surface is avoided; rainfall of other parts is beaten on the vegetable layer, and at the in-process of flowing toward the slope, through the buffering of vegetable layer and protection otter board, constantly reduce rivers, cause only a small amount of rainfall contact domatic, play the effect that prevents soil erosion and water loss.

Example two:

referring to fig. 8, for the utility model discloses a retaining reservoir, it uses embodiment one as the basis, and the difference point with embodiment one only lies in: an annular housing 26 is welded at one end of the fixed anchor 22 close to the draft tube 21, and the housing 26 is sleeved on the draft tube 21. The casing 26 includes a semi-annular first casing 262 and a semi-annular second casing 263. The first housing 262 is welded on one end of the fixed anchor 22 close to the draft tube 21 and plays a role of supporting the draft tube 21; the second housing 263 covers the draft tube 21, and serves to protect the draft tube 21. The first casing 262 and the second casing 263 extend to two sides to form connecting plates 264, and the two connecting plates 264 on the same side are connected through a fixing screw 261.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a retaining reservoir, includes dam body (1), dam body (1) is including upstream face and surface of a water back, its characterized in that: the upstream face is sequentially provided with a pipe mesh layer (2), a protective mesh layer (3), a nutrient soil layer (4) and a vegetable layer (5) along the direction far away from the dam body (1), and the protective mesh layer (3) comprises a plurality of protective mesh plates (31) which are tiled; the pipe network layer (2) comprises a plurality of guide pipes (21) which are arranged along the direction vertical to the length direction of the dam body (1); a plurality of fixing devices for fixing the flow guide pipe (21) are arranged on the dam body (1); each draft tube (21) is provided with a placing plate (23) along the length direction of the draft tube (21), and a protective screen plate (31) is connected between every two adjacent placing plates (23); the placing plate (23) is provided with a plurality of blocking plates (231) which are uniformly distributed along the length direction of the placing plate (23), and the length direction of the blocking plates (231) is consistent with the length direction of the dam body (1); the nutrient soil layer (4) is arranged on the protective screen plate (31), and the vegetable layer (5) is arranged on the nutrient soil layer (4).

2. A reservoir of claim 1, wherein: the fixing device comprises a fixing anchor (22) with one end inserted into the dam body (1), and one end, far away from the dam body (1), of the fixing anchor (22) is fixedly connected to the flow guide pipe (21).

3. A reservoir of water according to claim 1 or 2, wherein: the water-cooled water diversion pipe is characterized in that the placing plate (23) is parallel to the upstream face, a plurality of fixing columns (232) are evenly distributed on the placing plate (23) along the length direction of the placing plate (23), a plurality of connecting holes (24) for inserting the fixing columns (232) are formed in the diversion pipe (21), and the fixing columns (232) penetrate through the protection screen plate (31) and are inserted into the connecting holes (24).

4. A reservoir of claim 3, wherein: the protective net plate (31) comprises a first steel net layer (311), a water absorption layer (312) and a second steel net layer (313) which are sequentially arranged along the direction far away from the dam body (1); the fixing column (232) penetrates through the second steel mesh layer (313), the water absorption layer (312) and the first steel mesh layer (311) in sequence and is inserted into the connecting hole (24) on the guide pipe (21).

5. A reservoir of claim 1, wherein: the blocking plate (231) is connected to the placing plate (23) by bolts (233).

6. A reservoir of claim 1, wherein: the nozzle of the draft tube (21) is detachably provided with a filter cover (25).

7. A reservoir of claim 1, wherein: the blocking plate (231) is arranged perpendicular to the upstream face.

8. A reservoir of claim 1, wherein: the blocking plate (231) is provided with a plurality of through holes (2311) which are uniformly distributed.

9. A reservoir of claim 1, wherein: an anti-seepage geomembrane (11) is arranged in the dam body (1).

10. A reservoir of claim 1, wherein: and a concrete reinforcing foot (6) is arranged at the bottom end of the dam body (1).