CN215290012U - Energy dissipation structure of drop building - Google Patents
Energy dissipation structure of drop building Download PDFInfo
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- CN215290012U CN215290012U CN202121087815.XU CN202121087815U CN215290012U CN 215290012 U CN215290012 U CN 215290012U CN 202121087815 U CN202121087815 U CN 202121087815U CN 215290012 U CN215290012 U CN 215290012U
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Abstract
The utility model belongs to the technical field of hydraulic engineering, concretely relates to drop energy dissipation structure of building thing. The utility model at least comprises a drop structure, a discharge channel, a drop sill, a stilling pool, a flip flow mechanism and a stilling pool tail sill; the drop sill is arranged at the tail end of the upper surface of the drop building; the inlet end of the drainage channel is arranged on the upper surface of the drop building, the outlet end of the drainage channel is arranged on the side wall of the downstream of the drop building, and a drop is formed between the inlet end and the outlet end of the drainage channel; the stilling pool is arranged at the downstream side of the drop building; the stilling pool tail ridge is arranged at the tail end of the stilling pool; the flow-picking mechanism is arranged at the tail end of the drainage channel. The utility model discloses an increase one for the earial drainage way and choose a class structure, when the earial drainage, earial drainage passageway exhaust rivers upwards choose under the effect that the mechanism was chosen to the end and jet out, through falling the rivers that the bank turned down through the action of gravity with earial drainage passageway exhaust rivers bump, better realization the energy dissipation, and effectively reduced the investment.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering, concretely relates to drop energy dissipation structure of building thing.
Background
When hydraulic engineering is built in hills and mountainous areas, the problems of large topographic relief and difficult arrangement of channel buildings are frequently encountered, so that drop buildings need to be arranged at positions with large height difference. When the drop difference is large, the flow is large, and the flow speed is large, the water flow energy is large, so that the energy dissipation building is large in scale. From the operation condition of the drop buildings constructed at present, the energy dissipation effect of the buildings is poor, the erosion of downstream channels (river channels) is serious, the water and soil loss is serious, and the engineering effect cannot be fully exerted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an on the basis that satisfies the engineering demand, reduce the investment of energy dissipater to improve the utilization ratio of resource, provided an energy dissipation structure of drop building thing.
In order to realize the purpose, the utility model discloses a technical scheme is:
an energy dissipation structure of a drop building at least comprises the drop building, a discharge channel, a drop sill, a stilling pool, a trajectory mechanism and a stilling pool tail sill; the drop sill is arranged at the tail end of the upper surface of the drop building; the inlet end of the drainage channel is arranged on the upper surface of the drop building, the outlet end of the drainage channel is arranged on the downstream side wall of the drop building, and a fall is formed between the inlet end and the outlet end of the drainage channel; the stilling pool is arranged at the downstream side of the drop building; the stilling pool tail ridge is arranged at the tail end of the stilling pool; the flow-picking mechanism is arranged at the tail end of the drainage channel.
The flow-picking mechanism is in an arc shape protruding downwards.
The included angle alpha between the axial lead of the output port of the flow deflecting mechanism and the horizontal plane is 30-60 degrees.
The upper surface of the stilling pool tail sill is lower than the outlet of the drainage channel.
The shape of the drainage channel can be round or square.
The falling sill adopts a bottom sill broad top weir, a hump weir or a WES practical weir.
And a drainage notch is arranged at the position of the drop sill corresponding to the water outlet of the drainage channel.
The notch is rectangular, trapezoidal or triangular.
Has the advantages that:
(1) the utility model discloses an increase one for the earial drainage way and choose a class structure, when the earial drainage, fall sill department and fall into two parts with rivers, one of them part is discharged along the earial drainage way, and another part is through falling the sill top and turning down, and earial drainage passageway exhaust rivers are upwards chosen under the effect of mechanism is chosen to the end and are jetted out, and the rivers that turn down through falling the sill cross the gravity action and collide with earial drainage passageway exhaust rivers to better realization the energy dissipation.
(2) The utility model discloses the investment has effectively been reduced.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention more clear and clear, and to implement the technical solution according to the content of the description, the following detailed description is made of the preferred embodiments of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a longitudinal sectional view of the structure of the present invention;
fig. 2 is a plan view of the structure of the present invention.
In the figure: 1-drop building; 2-a drainage channel; 3-falling threshold; 4-stilling pool; 5-a flow picking mechanism; 6-stilling pool tail ridge.
The above description is only an overview of the technical solutions of the present invention, and in order to clearly understand the technical means of the present invention, and to implement the technical means according to the content of the description, the following detailed description is given through preferred embodiments of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The first embodiment is as follows:
referring to fig. 1 to 2, the energy dissipation structure of a drop building at least comprises a drop building 1, a drainage channel 2, a drop sill 3, a stilling pool 4, a flip flow mechanism 5 and a stilling pool tail sill 6; the drop sill 3 is arranged at the tail end of the upper surface of the drop building 1; the inlet end of the drainage channel 2 is arranged on the upper surface of the drop building 1, the outlet end of the drainage channel 2 is arranged on the downstream side wall of the drop building 1, and a fall is formed between the inlet end and the outlet end of the drainage channel 2; the stilling pool 4 is arranged at the downstream side of the drop building 1; the stilling pool tail ridge 6 is arranged at the tail end of the stilling pool 4; the flow-picking mechanism 5 is arranged at the tail end of the drainage channel 2.
During actual drainage, the water flow is divided into two parts at the falling threshold 3, one part of the water flow is discharged along the drainage channel 2, the other part of the water flow is pushed down by the falling threshold 3, the water flow discharged from the drainage channel 2 is upwards picked up and ejected out under the action of the tail end picking mechanism 5, and the water flow pushed down by the falling threshold 3 collides with the water flow discharged from the drainage channel 2 under the action of gravity, so that energy dissipation is realized.
The utility model discloses an increase one for earial drainage passageway 2 and choose a class structure 5, when the earial drainage, fall 3 departments of sill and fall into two parts with rivers, one of them part is arranged down along earial drainage passageway 2, another part is through falling 3 tops of sill and turn down, 2 exhaust rivers of earial drainage passageway upwards choose the jet-out under the effect of terminal earial drainage mechanism 5, through falling 3 rivers that turn down through gravity action and 2 exhaust rivers of earial drainage passageway bumps, thereby better realization the energy dissipation.
The utility model discloses on the better basis of having realized the energy dissipation, the investment has effectively been reduced in addition.
Example two:
referring to fig. 1, in the energy dissipation structure of a drop building, on the basis of the first embodiment or the second embodiment, the trajectory directing mechanism 5 is an arc shape protruding downwards.
When in actual use, the flow-selecting mechanism 5 adopts the technical scheme, so that the flow-selecting mechanism 5 is in a curve shape, water flow can smoothly pass through the flow-selecting mechanism, the water flow state is better, the engineering feasibility is high, the water dropping building 1 is internally provided with the flow-discharging channel 2 and the flow-selecting mechanism 5, the concrete use amount is reduced, the dead weight is reduced, and the requirements on the basic processing engineering amount and the bearing capacity are reduced.
Example three:
referring to the energy dissipation structure of the drop building shown in fig. 1, on the basis of the first embodiment or the second embodiment, an included angle α between an axial line of an output port of the trajectory jet mechanism 5 and a horizontal plane is 30-60 °.
In practical use, the included angle α between the axis of the output port of the flow picking mechanism 5 and the horizontal plane is 30 ° to 60 °, such as 30 °, 40 °, 50 °, 60 °, and the like. The flow rate of the water flow discharged from the discharge channel 2 is large, the water flow can be thrown to the air through the action of the flow-picking mechanism 5 obliquely upwards at the outlet, the jet flow rubs with air, aerates, diffuses and dissipates energy in the air, finally the water flow falls into the water cushion in the downstream stilling pool 4 to submerge turbulent motion, diffuse and dissipate energy, and the water flow is far away from the drop structure 1 under the action of the flow-picking mechanism 5, so that the drop structure 1 is effectively protected from erosion and corrosion, and the engineering benefit can be continuously exerted.
Example four:
referring to fig. 1 and 2, in the energy dissipation structure of a drop building, on the basis of the first embodiment, the upper surface of the stilling pool tail sill 6 is lower than the outlet of the drainage channel 2.
During the in-service use, absorption basin tail bank 6 adopts this technical scheme for the rivers that come out from earial drainage passageway 2 can be better upwards cast.
Example five:
referring to fig. 1 and 2, the energy dissipation structure of a drop building is shown, on the basis of the first embodiment: the shape of the drainage channel 2 is circular or square.
In actual use, the shape of the drain passage 2 may be selected according to construction conditions, landscape, or other conditions. The drain channel 2 may alternatively have a circular or square shape.
Example six:
referring to fig. 1 and 2, the energy dissipation structure of a drop building is shown, on the basis of the first embodiment: the falling sill 3 adopts a bottom sill broad top weir, a hump weir or a WES practical weir.
In practical use, the weir shape adopted by the drop sill 3 can be selected according to the flow discharge.
Example seven:
referring to fig. 1 and 2, an energy dissipation structure of a drop building is shown, on the basis of the first embodiment or the sixth embodiment: and a drainage notch is arranged at the position of the drop sill 3 corresponding to the water outlet of the drainage channel 2.
Further, the notch is rectangular, trapezoidal or triangular.
When in actual use, the position of the drop sill 3 corresponding to the water outlet of the drainage channel 2 is provided with the drainage notch, so that the water flow turned down from the drop sill 3 just collides with the water flow coming out of the water outlet of the drainage channel 2 completely, and the effects of energy dissipation and impact prevention are excellent.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an energy dissipation structure of drop building, includes drop building (1) at least, its characterized in that: the device also comprises a drainage channel (2), a drop sill (3), a stilling pool (4), a flip flow mechanism (5) and a stilling pool tail sill (6); the drop sill (3) is arranged at the tail end of the upper surface of the drop building (1); the inlet end of the drainage channel (2) is arranged on the upper surface of the drop building (1), the outlet end of the drainage channel (2) is arranged on the side wall of the downstream of the drop building (1), and a fall is formed between the inlet end and the outlet end of the drainage channel (2); the stilling pool (4) is arranged at the downstream side of the drop building (1); the stilling pool tail sill (6) is arranged at the tail end of the stilling pool (4); the flow-picking mechanism (5) is arranged at the tail end of the drainage channel (2).
2. An energy dissipating structure for a drop building as claimed in claim 1, wherein: the flow-picking mechanism (5) is in an arc shape protruding downwards.
3. An energy dissipating structure for a drop building as claimed in claim 1 or 2, wherein: the included angle alpha between the axial lead of the output port of the flow deflecting mechanism (5) and the horizontal plane is 30-60 degrees.
4. An energy dissipating structure for a drop building as claimed in claim 1, wherein: the upper surface of the stilling pool tail sill (6) is lower than the outlet of the drainage channel (2).
5. An energy dissipating structure for a drop building as claimed in claim 1, wherein: the shape of the discharge channel (2) is round or square.
6. An energy dissipating structure for a drop building as claimed in claim 1, wherein: the falling threshold (3) adopts a bottom threshold wide top weir, a hump weir or a WES practical weir.
7. An energy dissipating structure for a drop building as claimed in claim 1 or 6, wherein: and a drainage notch is arranged at the position of the drop sill (3) corresponding to the water outlet of the drainage channel (2).
8. An energy dissipating structure for a drop building as claimed in claim 7, wherein: the notch is rectangular, trapezoidal or triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087815.XU CN215290012U (en) | 2021-05-20 | 2021-05-20 | Energy dissipation structure of drop building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121087815.XU CN215290012U (en) | 2021-05-20 | 2021-05-20 | Energy dissipation structure of drop building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215290012U true CN215290012U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121087815.XU Active CN215290012U (en) | 2021-05-20 | 2021-05-20 | Energy dissipation structure of drop building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215290012U (en) |
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2021
- 2021-05-20 CN CN202121087815.XU patent/CN215290012U/en active Active
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