CN213625442U

CN213625442U - Hydraulic engineering flood prevention structure

Info

Publication number: CN213625442U
Application number: CN202022560695.2U
Authority: CN
Inventors: 余伟; 桂笑娜; 吴连为; 吴雪
Original assignee: Anhui Rencheng Construction Engineering Co ltd
Current assignee: Anhui Rencheng Construction Engineering Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-06
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a hydraulic engineering flood prevention structure, including pour founding in the riverbed the foundatin plate and rigid coupling in energy dissipation wall on the foundatin plate, a plurality of energy dissipation hole has been seted up on the energy dissipation wall, the downthehole energy dissipation pipe that is provided with of energy dissipation, the energy dissipation pipe is including straight tube one, toper pipe and the straight tube two of end to end connection in proper order, the diameter of straight tube one is less than straight tube two, just straight tube one is close to the one end of energy dissipation hole water inlet is followed a week of straight tube one is provided with the arch and forms and keeps off the shoulder, just keep off the shoulder protruding to the inner wall in energy dissipation hole, the inner wall that keeps off the shoulder is formed with the energy dissipation chamber, the energy dissipation pipe with the rigid coupling has the connecting rod. This application can eliminate the kinetic energy in the rivers, reduces to cause to erode the building object.

Description

Hydraulic engineering flood prevention structure

Technical Field

The application relates to the field of hydraulic engineering, in particular to a hydraulic engineering flood prevention structure.

Background

Hydraulic engineering is a general term for various engineering constructions built for controlling, utilizing and protecting water resources and environments on the earth surface and underground. The water conservancy flood prevention is also an important project in the water conservancy project, and the flood prevention means are various, and most of the flood prevention means adopt a cloth bag to fill soil to construct a sand bag wall so as to block the erosion of water flow.

In the related art, the chinese utility model patent with publication number CN210797427U discloses a flood prevention structure for hydraulic engineering, which comprises a base and a water baffle arranged on the base, wherein a support assembly is arranged on one side of the water baffle; the supporting assembly comprises a first connecting seat arranged at the position, close to the upper end of the water baffle, a second connecting seat arranged at the position, away from the water baffle, of the base, and a supporting rod, one end of the supporting rod is hinged to the first connecting seat, and the other end of the supporting rod is hinged to the second connecting seat; a right-angle plate is arranged at the bottom of the water baffle; one side of the right-angle plate is attached to the water baffle, and the other side of the right-angle plate is attached to the base and fixed through bolts; a scour prevention pier is arranged on one side of the base, which is far away from the support assembly; the scour prevention pier is formed by pouring concrete; the water baffle comprises a first panel, a second panel arranged in the first panel in a sliding mode, and a spring connected with the end face, close to the second panel, of the first panel and the second panel. Stable and reliable, and strong flood prevention capability.

With respect to the related art in the above, the inventors consider that: when the water flow passes over the breakwater, the kinetic energy in the water flow can still cause severe scouring of the building objects.

SUMMERY OF THE UTILITY MODEL

In order to eliminate the kinetic energy in the rivers, reduce and lead to the fact to erode the building object, this application provides a hydraulic engineering flood prevention structure.

The application provides a hydraulic engineering flood prevention structure adopts following technical scheme:

the utility model provides a hydraulic engineering flood prevention structure, including pour in the riverbed the foundatin plate and rigid coupling in energy dissipation wall on the foundatin plate, a plurality of energy dissipation hole has been seted up on the energy dissipation wall, the downthehole energy dissipation pipe that is provided with of energy dissipation, the energy dissipation pipe is including end to end's straight tube one, toper pipe and straight tube two in proper order, the diameter of straight tube one is less than straight tube two, just straight tube one is close to the one end of energy dissipation hole water inlet is followed a week of straight tube one is provided with the arch and forms and keeps off the shoulder, just keep off the protruding to the inner wall in energy dissipation hole, the inner wall that keeps off the shoulder is formed with the energy dissipation chamber, the energy dissipation pipe with the rigid coupling has the connecting rod between the.

Through adopting above-mentioned technical scheme, when rivers when the energy dissipation wall, the energy dissipation wall can hinder washing away of rivers, and during partial rivers can get into the energy dissipation hole of energy dissipation wall, get into the energy dissipation hole after, utilize to keep off the shoulder and can make rivers produce the striking, and rivers can strike the inner wall in energy dissipation hole under the drainage of conical tube, and then can make the inside production friction of rivers, can the interior kinetic energy of energy dissipation rivers, and then can reduce the impact force of rivers, therefore can reduce and cause to erode the building.

Preferably, an annular groove is formed in the periphery of the inner wall of the energy dissipation hole, crushed stone blocks are filled in the annular groove, and an annular net is fixedly connected to a notch of the annular groove.

Through adopting above-mentioned technical scheme, rivers can get into the ring channel when downthehole the flowing of energy dissipation, rivers, and the rubble piece in the ring channel also can contact with rivers, also can consume the energy in the rivers.

Preferably, the joint between the second straight pipe and the conical pipe is symmetrically arranged with the middle of the annular groove.

Through adopting above-mentioned technical scheme, utilize the drainage effect of conical tube, can increase a large amount of rivers and get into the ring channel in, further increase the consumption of rivers kinetic energy.

Preferably, one end, far away from the conical pipe, of the second straight pipe is fixedly connected with a plurality of energy dissipation rollers, the energy dissipation rollers are fully distributed at the end part of the second straight pipe, and the axis of each energy dissipation roller is perpendicular to the axis of the second straight pipe.

By adopting the technical scheme, when water flow passes through the tail parts of the two straight pipes, the energy dissipation rollers on the two straight pipes can be impacted by the water flow to rotate, so that the kinetic energy of the water flow can be converted, and the kinetic energy in the water flow is further consumed.

Preferably, a water inlet of the energy dissipation hole is provided with a conical groove, and the diameter of one end, close to the energy dissipation pipe, of the conical groove is smaller than that of the other end of the conical groove.

Through adopting above-mentioned technical scheme, utilize the bell groove can increase the cross sectional area of energy dissipation hole water inlet, and then can increase discharge and get into in the energy dissipation hole.

Preferably, the retaining shoulder is positioned on one side, far away from the tapered groove, of the first straight pipe, and the inclined direction of the tapered groove faces the retaining shoulder.

Through adopting above-mentioned technical scheme, utilize the drainage of conical groove, can be with rivers direct with keep off the shoulder striking, further accelerated the consumption of rivers kinetic energy.

Preferably, an energy dissipation groove is formed in one end, close to the water outlet, of the energy dissipation hole along a circle of the inner wall of the energy dissipation hole, the second straight pipe, the tapered pipe and the retaining shoulder are located below the energy dissipation groove, and the end, far away from the tapered pipe, of the first straight pipe is located on one side, far away from the energy dissipation groove, of the energy dissipation hole.

By adopting the technical scheme, the diameter of the second straight pipe is larger than that of the first straight pipe, so that the flowing area of water flow on the outer side of the straight pipe can be increased by utilizing the energy dissipation groove, and the flowing of the water flow is accelerated.

Preferably, the energy dissipation wall comprises a plurality of unit walls, the unit walls are uniformly distributed along the length direction of the foundation slab, a gap is formed between every two adjacent unit walls, and the energy dissipation hole is formed in each unit wall.

Through adopting above-mentioned technical scheme, utilize a plurality of cell walls to constitute the wall that keeps off a current, rivers have partial rivers to pass through the gap between two adjacent cell walls when the wall that keeps off a current, and then can reduce to cause great impact to the wall that keeps off a current to guarantee the steadiness of the wall that keeps off a current.

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

by arranging the energy dissipation wall, when a water retaining flow passes through the energy dissipation wall, the energy dissipation wall can block the scouring of water flow, and part of water flow can enter the energy dissipation holes of the energy dissipation wall and can be impacted by the retaining shoulders after entering the energy dissipation holes, and the water flow can impact the inner walls of the energy dissipation holes under the drainage of the tapered pipes, so that the friction can be generated inside the water flow, the kinetic energy in the water flow can be dissipated, the impact force of the water flow can be reduced, and the scouring on buildings can be reduced;

by arranging the annular groove and the crushed stone blocks, when water flows in the energy dissipation hole, the water flow can enter the annular groove, and the crushed stone blocks in the annular groove can also be contacted with the water flow, so that the energy in the water flow can be consumed;

through setting up the energy dissipation roller, rivers are when two afterbody on the straight tube, and the energy dissipation roller on the straight tube two can be strikeed and rotate by the rivers, therefore can carry out energy conversion with the kinetic energy of rivers, further consumed the kinetic energy in the rivers.

Drawings

Figure 1 is the overall structure schematic diagram of the energy dissipation wall of the application embodiment.

Figure 2 is a schematic cross-sectional view of the cell wall of figure 1, illustrating mainly the construction of the energy dissipating tubes.

Description of reference numerals: 1. a foundation plate; 2. an energy dissipation wall; 201. a cell wall; 21. energy dissipation holes; 2101. an energy dissipation groove; 211. an annular groove; 212. an endless web; 213. a tapered groove; 3. an energy dissipation pipe; 301. a connecting rod; 31. a first straight pipe; 311. a shoulder block; 312. an energy dissipation cavity; 32. a tapered tube; 33. a straight pipe II; 4. breaking stone blocks; 5. an energy dissipation roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses hydraulic engineering flood prevention structure. Referring to fig. 1, the flood prevention structure comprises a foundation plate 1 poured in a riverbed by using concrete and an energy dissipation wall 2 fixedly connected to the foundation plate 1, wherein the foundation plate 1 is rectangular, the length direction of the foundation plate 1 is perpendicular to the impact direction of water flow, the energy dissipation wall 2 is composed of a plurality of unit walls 201, the plurality of unit walls 201 are uniformly distributed along the length direction of the foundation plate 1, and a gap is reserved between every two adjacent unit walls 201. Utilize a plurality of unit walls 201 to constitute energy dissipation wall 2, rivers have partial rivers to pass through the gap between two adjacent unit walls 201 when passing through energy dissipation wall 2, and then can reduce and cause great impact to energy dissipation wall 2 to guarantee energy dissipation wall 2's steadiness.

Referring to fig. 2, a plurality of energy dissipation holes 21 are formed in the unit wall 201, the energy dissipation holes 21 penetrate through the side walls of the two sides of the unit wall 201, one end, close to water flow impact, of each energy dissipation hole 21 is located at a water inlet, and the other end of each energy dissipation hole is a water outlet. One end of the energy dissipation hole 21 close to the water inlet is provided with a tapered groove 213 along one circle, the diameter of one end of the tapered groove 213 close to the water outlet is larger than that of the other end, one end of the energy dissipation hole 21 close to the water outlet is provided with an energy dissipation groove 2101 along one circle of the inner wall of the energy dissipation hole 21, and the end surface of one end of the energy dissipation groove 2101 far away from the water outlet is close to the tapered groove.

Referring to fig. 2, energy dissipation pipes 3 are arranged in the energy dissipation holes 21, the axes of the energy dissipation pipes 3 are collinear with the axis of the energy dissipation holes 21, each energy dissipation pipe 3 comprises a first straight pipe 31, a conical pipe 32 and a second straight pipe 33 which are sequentially connected end to end, the diameter of the first straight pipe 31 is smaller than that of the second straight pipe 33, the diameter of the first straight pipe 31 is smaller than that of the energy dissipation holes 21, the first straight pipe 31, the conical pipe 32 and the second straight pipe 33 are all located below an energy dissipation groove 2101, one end, far away from the conical pipe 32, of the first straight pipe 31 is close to the conical groove 213, one end, far away from the conical pipe 32, of the second straight pipe 33 is close to a water outlet of the energy dissipation holes 21, connecting rods 301 are fixedly connected between the outer peripheral surfaces of the second straight pipes 33 and the inner side walls of the energy dissipation grooves 2101 and between the.

Referring to fig. 2, a protrusion is arranged along a circumference of the first straight pipe 31 to form a shoulder 311, the shoulder 311 has a semicircular cross section and protrudes to a side away from an axis of the first straight pipe 31, an extension line of a side wall of the tapered groove 213 faces the shoulder 311, and an energy dissipation cavity 312 is formed in an inner wall of the shoulder 311.

Referring to fig. 2, an annular groove 211 is further formed along a circumference of the inner wall of the energy dissipation groove 2101, the crushed stone blocks 4 are filled in the annular groove 211, an annular net 212 is fixedly connected to a notch of the annular groove 211, the width of the notch of the annular groove 211 is larger than the length of the conical pipe 32, and a joint between the straight pipe two 33 and the conical pipe 32 is symmetrically arranged with the middle of the annular groove 211. Furthermore, the end part of the straight pipe II 33, which is far away from one end of the conical pipe 32, is fixedly connected with an energy dissipation roller 5, the energy dissipation roller 5 is shaped like a gyroscope, the axis of the energy dissipation roller 5 is perpendicular to the axis of the straight pipe II 33, and the straight pipe II 33 is provided with a plurality of end faces which are distributed on the straight pipe II 33.

The implementation principle of a hydraulic engineering flood prevention structure in the embodiment of the application is as follows: when water flows through the energy dissipation wall 2, the water flows into the energy dissipation holes 21 through the tapered grooves 213, and then collides with the energy dissipation shoulders after entering the energy dissipation holes 21, at the moment, friction is generated in the water flow and kinetic energy of the water flow is consumed, the water flow flows to the tapered pipes 32 after passing through the energy dissipation shoulders, the water flow is guided into the annular groove 211 through the conical pipe 32, the crushed stone blocks 4 in the annular groove 211 are also contacted with the water flow, the energy in the water flow can be consumed, and in addition, when the water flow entering the energy dissipation pipe 3 passes through the energy dissipation cavity 312, the water flow can generate vortex flow, the water flow can also generate a large amount of collision friction, finally, when the water flow passes through the energy dissipation roller 5, the energy dissipation roller 5 on the second straight pipe 33 can be impacted by the water flow to rotate, therefore, the kinetic energy of the water flow can be converted, the kinetic energy in the water flow is further consumed, the impact force of the water flow can be reduced, and the scouring to buildings is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hydraulic engineering flood prevention structure which characterized in that: comprises a foundation plate (1) poured in a riverbed and an energy dissipation wall (2) fixedly connected on the foundation plate (1), a plurality of energy dissipation holes (21) are arranged on the energy dissipation wall (2), energy dissipation pipes (3) are arranged in the energy dissipation holes (21), the energy dissipation pipe (3) comprises a first straight pipe (31), a conical pipe (32) and a second straight pipe (33) which are sequentially connected end to end, the diameter of the first straight pipe (31) is smaller than that of the second straight pipe (33), and one end of the straight pipe I (31) close to the water inlet of the energy dissipation hole (21) is provided with a bulge along the circumference of the straight pipe I (31) to form a retaining shoulder (311), the retaining shoulder (311) protrudes towards the inner wall of the energy dissipation hole (21), an energy dissipation cavity (312) is formed on the inner wall of the retaining shoulder (311), and a connecting rod (301) is fixedly connected between the energy dissipation pipe (3) and the inner wall of the energy dissipation hole (21).

2. The hydraulic engineering flood prevention structure according to claim 1, characterized in that: an annular groove (211) is formed in one circle of the inner wall of the energy dissipation hole (21), broken stone blocks (4) are filled in the annular groove (211), and an annular net (212) is fixedly connected to a groove opening of the annular groove (211).

3. The hydraulic engineering flood prevention structure according to claim 2, characterized in that: the joint between the second straight pipe (33) and the conical pipe (32) is symmetrically arranged with the middle of the annular groove (211).

4. The hydraulic engineering flood prevention structure according to claim 1, characterized in that: one end, far away from the conical pipe (32), of the second straight pipe (33) is fixedly connected with a plurality of energy dissipation rollers (5), the energy dissipation rollers (5) are distributed on the end portion of the second straight pipe (33), and the axis of each energy dissipation roller (5) is perpendicular to the axis of the second straight pipe (33).

5. The hydraulic engineering flood prevention structure according to claim 1, characterized in that: a water inlet of the energy dissipation hole (21) is provided with a tapered groove (213), and the diameter of one end, close to the energy dissipation pipe (3), in the tapered groove (213) is smaller than that of the other end.

6. The hydraulic engineering flood prevention structure according to claim 5, characterized in that: the blocking shoulder (311) is positioned on one side, far away from the tapered groove (213), of the first straight pipe (31), and the inclined direction of the tapered groove (213) faces the blocking shoulder (311).

7. The hydraulic engineering flood prevention structure according to claim 1, characterized in that: one end, close to a water outlet, of the energy dissipation hole (21) is provided with an energy dissipation groove (2101) along one circle of the inner wall of the energy dissipation hole (21), the second straight pipe (33), the conical pipe (32) and the retaining shoulder (311) are all located below the energy dissipation groove (2101), and the end part, far away from one end of the conical pipe (32), of the first straight pipe (31) is located on one side, far away from the energy dissipation groove (2101), of the energy dissipation hole (21).

8. The hydraulic engineering flood prevention structure according to claim 1, characterized in that: the energy dissipation wall (2) is composed of a plurality of unit walls (201), the unit walls (201) are evenly distributed along the length direction of the foundation slab (1), gaps are formed between every two adjacent unit walls (201), and the energy dissipation holes (21) are formed in the unit walls (201).