CN213508351U - Staggered special-shaped stepped combined energy dissipater structure - Google Patents
Staggered special-shaped stepped combined energy dissipater structure Download PDFInfo
- Publication number
- CN213508351U CN213508351U CN202022142310.0U CN202022142310U CN213508351U CN 213508351 U CN213508351 U CN 213508351U CN 202022142310 U CN202022142310 U CN 202022142310U CN 213508351 U CN213508351 U CN 213508351U
- Authority
- CN
- China
- Prior art keywords
- special
- heterotypic
- shaped
- staggered
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002159 abnormal effect Effects 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 6
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000001788 irregular Effects 0.000 description 11
- 238000010276 construction Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 238000009991 scouring Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Sewage (AREA)
Abstract
The utility model provides a cascaded joint energy dissipater structure of dislocation abnormal shape specifically belongs to the hydraulic and hydroelectric engineering field. Comprises a lock chamber section, a staggered special-shaped stepped energy dissipater, a special-shaped stilling pool, a lateral connection and a guide wall; the head end of the stepped energy dissipater of dislocation abnormal shape links up with the end exit end of lock chamber section, the end at the stepped energy dissipater of dislocation abnormal shape is connected to heterotypic pool that disappears, the both sides at the lock chamber section are arranged to the side direction linking section, the both sides at the stepped energy dissipater of dislocation abnormal shape and heterotypic pool are arranged to the guiding wall, the stepped energy dissipater of dislocation abnormal shape includes the step bottom plate, heterotypic step, the interval is equipped with trapezoidal heterotypic step on each layer of step bottom plate, the quantity of heterotypic step is the same on the odd number layer of step bottom plate. The utility model discloses compare traditional dissipation structure and can effectively reduce the engineering volume, reduce engineering cost, and the energy dissipation effect is better.
Description
Technical Field
The utility model relates to a cascaded joint energy dissipater structure of dislocation abnormal shape specifically belongs to the hydraulic and hydroelectric engineering field.
Background
In hydraulic engineering buildings, energy dissipaters are engineering facilities built by reducing the scouring of high-speed water flow to water release structures and downstream riverways. How to safely discharge the surplus flood at the upstream, reduce the scouring of the dam body and the downstream riverbed by the high-speed water flow during discharging and ensure the stability of the dam body is always a key problem for the research of numerous experts and scholars. Especially, under the conditions of higher water head and large single-width flow, the traditional energy dissipater usually has the problems of large size, high construction cost and the like.
Disclosure of Invention
An object of the utility model is to provide a cascaded joint energy dissipater structure of dislocation abnormal shape to some problems that prior art exists to high-speed rivers when effectual reduction flood discharge are to the washing away of hydraulic structure.
The utility model adopts the technical proposal that: a staggered special-shaped stepped combined energy dissipater structure comprises a lock chamber section 1, a staggered special-shaped stepped energy dissipater 2, a special-shaped stilling pool 3, a lateral connecting section 4 and a flow guide wall 5; the head end of dislocation heterotypic cascaded energy dissipator 2 links up with the end exit end of lock chamber section 1, heterotypic absorption basin 3 is connected at the end of dislocation heterotypic cascaded energy dissipator 2, side direction linkage section 4 arranges in the both sides of lock chamber section 1, the both sides at dislocation heterotypic cascaded energy dissipator 2 and heterotypic absorption basin 3 are arranged to the guiding wall 5, dislocation heterotypic cascaded energy dissipator 2 includes step bottom plate 21, heterotypic step 22, the interval is equipped with trapezoidal heterotypic step 22 on each layer of step bottom plate 21, the quantity of heterotypic step 22 is the same on odd number layer of step bottom plate 21, the quantity of heterotypic step 22 is the same on even number layer of step bottom plate 21, the heterotypic step 22 dislocation set on the.
Specifically, in the odd-numbered steps of the staggered irregular stepped energy dissipater 2, the outer sides of the irregular steps 22 on both sides are connected with the guide walls on both sides of the spillway, and in the even-numbered steps, the outer sides of the irregular steps 22 on both sides are arranged at intervals with the guide walls on both sides of the spillway.
Specifically, the width B of the spillway section where the staggered special-shaped stepped energy dissipater 2 is located is 34m, the tail width B1 of the special-shaped steps 22 is 10m, the head width B2 is 6m, the height of each special-shaped step 22 is 3m, and the bottom corner θ is 600。
Specifically, in the same step, the head parts of two adjacent special-shaped steps 22 are separated by the width L of one gate pier, and L is 2 m.
Specifically, in the even-numbered steps of the staggered irregular stepped energy dissipater 2, the distance a between the outer sides of the heads of the irregular steps 22 at the two sides and the guide walls at the two sides of the spillway is 6 m.
Specifically, the lock chamber section 1 comprises a lock chamber bottom plate 11, side piers 12 and middle piers 13, wherein the side piers 12 are arranged at two side ends of the upper surface of the lock chamber bottom plate 11, the middle piers 13 are arranged in the middle of the upper surface of the lock chamber bottom plate 11, and the tail end of the lock chamber bottom plate 11 is connected with the inlet end of the staggered special-shaped stepped energy dissipater 2.
Specifically, the special-shaped stilling pool 3 comprises small stilling grooves 31, stilling end sills 32 and a stilling pool bottom plate 33, wherein the small stilling grooves 31 in multiple rows are arranged in the stilling pool bottom plate 33 in a staggered mode from front to back, and the stilling end sills 32 are arranged at the tail end of the stilling pool bottom plate 33.
Specifically, the special-shaped stilling pool 3 is rectangular, the width D is 44m, the length E is 80m, the small stilling groove 31 is square, and the length b3 and the width b4 are both 10 m.
Specifically, the structures and the distributions of the odd-numbered rows of small dissipation grooves 31 are the same, and the structures and the distributions of the even-numbered rows of small dissipation grooves 31 are the same; in the odd-numbered rows, the number of the small absorption grooves 31 is less than that of the small absorption grooves 31 in the even-numbered rows; in the odd rows, the distance c2 between the left and right outer sides of the small stilling groove 31 and the two sides of the special stilling pool 3 is 10 m; the distance c3 between two adjacent small absorption grooves 31 in the odd rows is 4m, and the distance c4 between two adjacent small absorption grooves 31 in the even rows is 3 m.
The utility model has the advantages that: compared with the traditional energy dissipation structure, the utility model shortens the size of the overflow surface of the dam body, can save a large amount of permanent engineering investment, and avoids a large amount of engineering investment of the traditional energy dissipation structure on the water outlet structure; the construction method has the advantages of simple structure, convenience in construction, capability of saving construction labor cost and the like, shortens the construction period of the project and accelerates the project construction.
The utility model discloses can be according to the actual engineering condition, will be by the upper reaches flood discharge and rivers down fall into two strands even stranded rivers stream bundles, through the heterotypic step of dislocation promptly, divide into the stranded with the rivers stream bundle by the one, both reduced the rivers energy of upper reaches sluicing, can realize again the fierce offend between the stranded rivers, because the turbulent diffusion of rivers inside and fierce friction between the stranded rivers, the high-speed rivers during flood discharge have carried out abundant energy dissipation.
The utility model discloses be equipped with a plurality of small-size power of subduing recesses in the bottom of the power of subduing pool, can carry out the secondary energy dissipation to the flood that lets out and under from the overflow surface. After the water flow is subjected to energy dissipation by the special-shaped steps, part of energy is eliminated, and when flood water flow entering the stilling pool flows through the small stilling grooves, the water flow and the small stilling grooves are subjected to repeated violent collision so as to achieve a further energy dissipation effect; and finally, a tail sill is arranged at the tail end of the stilling pool, so that the flow state of the turbulent water flow after passing through the stilling pool tends to be gentle and is closer to the flow state of the water flow in a natural river channel, and the scouring of a downstream riverbed is reduced. From top to bottom, the utility model discloses an energy dissipation effect compares the traditional deep-digging type's dissipation structure, can possess better energy dissipation effect.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the stilling pool of the present invention;
figure 3 is a schematic top view (part) of the staggered irregular stepped energy dissipater of the present invention;
fig. 4 is a schematic top view (part) of the stilling pool of the present invention.
The reference numbers in the figures are: 1-a lock chamber section; 11-chamber floor; 12-side pier; 13-middle pier; 2-dislocation special-shaped step type energy dissipater; 21-step bottom plate; 3-a special-shaped stilling pool; 31-small force-eliminating groove; 32-force-eliminating end ridge; 33-a stilling pool bottom plate; 4-lateral joining section; 5-guide wall.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Example 1: as shown in fig. 1-4, a staggered special-shaped stepped combined energy dissipater structure comprises a lock chamber section 1, a staggered special-shaped stepped energy dissipater 2, a special-shaped stilling pool 3, a lateral connecting section 4 and a guide wall 5; the head end of the dislocation heterotypic cascaded energy dissipator 2 links up with the end exit end of lock chamber section 1, heterotypic absorption basin 3 is connected at the end of dislocation heterotypic cascaded energy dissipator 2, side direction linkage section 4 arranges in the both sides of lock chamber section 1, the both sides of dislocation heterotypic cascaded energy dissipator 2 and heterotypic absorption basin 3 are arranged to the guiding wall 5, dislocation heterotypic cascaded energy dissipator 2 includes step bottom plate 21, heterotypic step 22, the interval is equipped with trapezoidal heterotypic step 22 on each layer of step bottom plate 21, the quantity of heterotypic step 22 is the same on the odd number layer of step bottom plate 21, the quantity of heterotypic step 22 is the same on the even number layer of step bottom plate 21, the heterotypic step 22.
Further, in the odd-numbered steps of the staggered irregular stepped energy dissipater 2, the outer sides of the irregular steps 22 on both sides are connected with the guide walls on both sides of the spillway, and in the even-numbered steps, the outer sides of the irregular steps 22 on both sides are arranged at intervals with the guide walls on both sides of the spillway.
Further, the width B of the spillway section where the staggered special-shaped stepped energy dissipater 2 is located is 34m, the tail width B1 of the special-shaped steps 22 is 10m, the head width B2 is 6m, the height of each special-shaped step 22 is 3m, and the bottom corner theta is 600。
Further, in the same step, the head parts of two adjacent special-shaped steps 22 are separated by the width L of one gate pier, and L is 2 m.
Further, in the even-numbered steps of the staggered irregular stepped energy dissipater 2, the distance a between the outer sides of the heads of the irregular steps 22 at the two sides and the guide walls at the two sides of the spillway is 6 m.
Further, the lock chamber section 1 comprises a lock chamber bottom plate 11, side piers 12 and a middle pier 13, wherein the side piers 12 are arranged at two side ends of the upper surface of the lock chamber bottom plate 11, the middle pier 13 is arranged in the middle of the upper surface of the lock chamber bottom plate 11, and the tail end of the lock chamber bottom plate 11 is connected with the inlet end of the staggered special-shaped stepped energy dissipater 2.
Furthermore, the special-shaped stilling pool 3 comprises small stilling grooves 31, stilling end sills 32 and stilling pool bottom plates 33, wherein the small stilling grooves 31 in multiple rows are arranged in the stilling pool bottom plates 33 in a staggered mode from front to back, and the stilling end sills 32 are arranged at the tail ends of the stilling pool bottom plates 33.
Furthermore, the special-shaped stilling pool 3 is rectangular, the width D is 44m, the length E is 80m, the small stilling groove 31 is square, and the length b3 and the width b4 are both 10 m.
Further, the structure and distribution of the odd-numbered rows of small force-absorbing grooves 31 are the same, and the structure and distribution of the even-numbered rows of small force-absorbing grooves 31 are the same; in the odd-numbered rows, the number of the small absorption grooves 31 is less than that of the small absorption grooves 31 in the even-numbered rows; in the odd rows, the distance c2 between the left and right outer sides of the small stilling groove 31 and the two sides of the special stilling pool 3 is 10 m; the distance c3 between two adjacent small absorption grooves 31 in the odd rows is 4m, and the distance c4 between two adjacent small absorption grooves 31 in the even rows is 3 m.
The utility model discloses a theory of operation is: a staggered special-shaped stepped combined energy dissipater structure is characterized in that an overflow section of a dam body is formed by staggered superposition of a plurality of special-shaped steps 22 in the same trapezoidal shape, a plurality of small-sized absorption grooves 31 in the same structure are arranged at the bottom of a special-shaped absorption basin 3, and an absorption tail ridge 32 is arranged at the tail of the special-shaped absorption basin 3.
By the scheme, water flows through the staggered special-shaped stepped energy dissipater 2 from the upstream during flood discharge, the staggered special-shaped stepped energy dissipater 2 performs primary energy consumption on the water when the water flows through the special-shaped stepped energy dissipater 2, and the energy consumption rate is greatly improved compared with that of a traditional overflow surface due to the accumulated energy consumption of the stepped energy dissipater, so that the energy consumption effect is better; when water flows into the special-shaped stilling pool 3, a part of energy is consumed, and the small stilling grooves 31 in the special-shaped stilling pool 3 block the water to perform secondary energy dissipation on the water; simultaneously, the tail part of the special-shaped stilling pool 3 is provided with a stilling tail sill 32, so that the water flow flowing through the stilling pool can be regulated, the flow velocity of the water flow flowing to the downstream is reduced, the water flow is closer to that of a natural river channel, and the scouring of the downstream river channel is reduced.
The present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit and scope of the present invention by those skilled in the art.
Claims (9)
1. The utility model provides a cascaded combined energy dissipater structure of dislocation abnormal shape which characterized in that: comprises a lock chamber section (1), a staggered special-shaped stepped energy dissipater (2), a special-shaped stilling pool (3), a lateral connecting section (4) and a guide wall (5); the head end of dislocation heterotypic cascaded dissipator (2) links up with the end exit end of floodgate room section (1), heterotypic absorption basin (3) are connected at the end of dislocation heterotypic cascaded dissipator (2), side direction linking section (4) are arranged in the both sides of floodgate room section (1), the both sides in dislocation heterotypic cascaded dissipator (2) and heterotypic absorption basin (3) are arranged in guiding wall (5), dislocation heterotypic cascaded dissipator (2) include step bottom plate (21), heterotypic step (22), the interval is equipped with trapezoidal heterotypic step (22) on each layer of step bottom plate (21), the quantity of heterotypic step (22) is the same on odd number layer step bottom plate (21), the quantity of heterotypic step (22) is the same on even number layer step bottom plate (21), heterotypic step (22) dislocation setting on the adjacent two-layer step bottom plate (21) from top to.
2. A staggered profile-stepped combined dissipater structure according to claim 1, wherein: in odd steps of the staggered special-shaped stepped energy dissipater (2), the outer sides of the special-shaped steps (22) on two sides are connected with the guide walls on two sides of the spillway, and in even steps, the outer sides of the special-shaped steps (22) on two sides are arranged at intervals with the guide walls on two sides of the spillway.
3. A staggered profile-stepped combined dissipater structure according to claim 2, wherein: the width B of the spillway section where the staggered special-shaped stepped energy dissipater (2) is located is 34m, the tail width B1 of the special-shaped steps (22) is 10m, the head width B2 of the special-shaped steps (22) is 6m, the height of each special-shaped step (22) is 3m, and the bottom corner theta is 60 degrees.
4. A staggered profile-stepped combined dissipater structure according to claim 1, wherein: in the same ladder, the head parts of two adjacent special-shaped steps (22) are separated by the width L of one gate pier, and L is 2 m.
5. A staggered profile-stepped combined dissipater structure according to claim 2, wherein: in even steps of the staggered special-shaped stepped energy dissipater (2), the distance a between the outer sides of the heads of the special-shaped steps (22) on two sides and the guide walls on two sides of the spillway is 6 m.
6. A staggered profile-stepped combined dissipater structure according to claim 1, wherein: the lock chamber section (1) comprises a lock chamber bottom plate (11), side piers (12) and middle piers (13), wherein the side piers (12) are arranged at two side ends of the upper surface of the lock chamber bottom plate (11), the middle piers (13) are arranged in the middle of the upper surface of the lock chamber bottom plate (11), and the tail end of the lock chamber bottom plate (11) is connected with the inlet end of the staggered special-shaped stepped energy dissipater (2).
7. A staggered profile-stepped combined dissipater structure according to claim 1, wherein: the special-shaped stilling pool (3) comprises small stilling grooves (31), stilling end sills (32) and stilling pool bottom plates (33), wherein the small stilling grooves (31) in multiple rows are arranged in the stilling pool bottom plates (33) in a staggered mode from front to back, and the stilling end sills (32) are arranged at the tail ends of the stilling pool bottom plates (33).
8. A staggered profile-stepped combined dissipater structure according to claim 7, wherein: the special-shaped stilling pool (3) is rectangular, the width D is 44m, the length E is 80m, the small stilling groove (31) is square, and the length b3 and the width b4 are both 10 m.
9. A staggered profile-stepped combined dissipater structure according to claim 8, wherein: the structure and the distribution of the odd-numbered rows of small force-dissipating grooves (31) are the same, and the structure and the distribution of the even-numbered rows of small force-dissipating grooves (31) are the same; in the odd rows, the number of the small force absorption grooves (31) is less than that of the small force absorption grooves (31) in the even rows; in the odd rows, the distance c2 between the left and right outer sides of the small stilling groove (31) and the two sides of the special stilling pool (3) is 10 m; the distance c3 between two adjacent small force absorbing grooves (31) in the odd-numbered rows is 4m, and the distance c4 between two adjacent small force absorbing grooves (31) in the even-numbered rows is 3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142310.0U CN213508351U (en) | 2020-09-25 | 2020-09-25 | Staggered special-shaped stepped combined energy dissipater structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022142310.0U CN213508351U (en) | 2020-09-25 | 2020-09-25 | Staggered special-shaped stepped combined energy dissipater structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213508351U true CN213508351U (en) | 2021-06-22 |
Family
ID=76450538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022142310.0U Active CN213508351U (en) | 2020-09-25 | 2020-09-25 | Staggered special-shaped stepped combined energy dissipater structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213508351U (en) |
-
2020
- 2020-09-25 CN CN202022142310.0U patent/CN213508351U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107190712B (en) | A kind of toe bank falls bank stiling basin formula underflow energy dissipator and design method | |
| CN102966081A (en) | Biological environment-friendly expansion-drop combination energy dissipater | |
| CN108396713A (en) | A kind of energy dissipating construction suitable for diffusion type discharge outlet | |
| CN111666618B (en) | Design method of side water inlet and outlet diffusion section body type | |
| CN109098152B (en) | Anti-cavitation facility of ladder overflow dam | |
| CN213508351U (en) | Staggered special-shaped stepped combined energy dissipater structure | |
| CN103669301A (en) | High-low ridge stilling pool achieving double-layer disperse energy dissipation | |
| CN2488960Y (en) | Energy dissipation and flood discharge for large dam in new type of diffusion mode | |
| CN107386220B (en) | Gap split-flow type secondary dam structure | |
| CN106498909A (en) | For spillway on bank or the defrlector bucket of flood discharge hole outlet | |
| CN212742448U (en) | Two diversion tunnel export dissipation structure | |
| CN208088250U (en) | A kind of energy dissipating construction suitable for diffusion type discharge outlet | |
| CN216474888U (en) | Energy dissipation scour protection structure | |
| CN203603126U (en) | Double-layer dispersion energy dissipation high-and-low sill stilling pool | |
| CN109083107B (en) | Aeration facility for forming aeration cavity by utilizing water flow centripetal force inertia turbulence | |
| CN112112135B (en) | Porous confluence opposite-flushing energy dissipation structure for hydraulic buildings and implementation method | |
| CN114718028A (en) | Double-layer dispersed energy dissipation device for water flow energy dissipation | |
| CN110629735B (en) | Narrow slit outlet flip bucket with opening at bottom of side wall | |
| CN203755267U (en) | High arch dam flood discharge deep hole outlet structure | |
| CN220746826U (en) | Combined spillway energy dissipation facility | |
| CN209412796U (en) | A kind of energy dissipation by hydraulic jump structure extending to stilling pond suitable for flaring gate pier | |
| CN113136840A (en) | Energy dissipation scour protection facility is led to river in hydraulic engineering sluice low reaches | |
| CN109594533B (en) | Vortex chamber stilling pool | |
| CN115369815B (en) | Energy dissipation structure with various flood discharge energy dissipation modes and energy dissipation method | |
| CN206971181U (en) | A kind of multichannel bank stiling basin of dispersible energy dissipating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |