CN109098155A - Hydraulic engineering curved surface energy dissipating wall - Google Patents
Hydraulic engineering curved surface energy dissipating wall Download PDFInfo
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- CN109098155A CN109098155A CN201811095004.7A CN201811095004A CN109098155A CN 109098155 A CN109098155 A CN 109098155A CN 201811095004 A CN201811095004 A CN 201811095004A CN 109098155 A CN109098155 A CN 109098155A
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- hydraulic engineering
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- 230000037431 insertion Effects 0.000 claims abstract 2
- 238000003780 insertion Methods 0.000 claims abstract 2
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 235000006506 Brasenia schreberi Nutrition 0.000 description 1
- 244000267222 Brasenia schreberi Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The present invention relates to hydraulic engineering low water head dam, lock, contain energy dissipation by hydraulic jump technical field, more particularly to a kind of hydraulic engineering curved surface energy dissipating wall, including energy dissipating abutment wall, settling tank and the backplate that meets water, the settling tank is set to the meeting water on metope of energy dissipating abutment wall in the cylinder and indent of half arc, and the backplate that meets water is installed in settling tank and is in and the matched half arc cylinder of settling tank；Insertion is provided with mounting post in the energy dissipating abutment wall, and two sides and the mounting post for the backplate that meets water are slidably connected；The meet water back of backplate is provided with spring base, buffer spring and spring slide set, spring base is embedded in energy dissipating abutment wall, spring slide set is fixedly installed on the back for the backplate that meets water, the outer end of spring slide set is protruded into spring base, one end of buffer spring is fixedly installed in spring base, the other end is movably set in the cylindrical cavity in spring slide set, water flow energy dissipating effect of the present invention is significant, substantially reduces stilling pond length, reduces cost.
Description
Technical field
The present invention relates to hydraulic engineering low water head dam, lock, contain energy dissipation by hydraulic jump technical field, and in particular to a kind of hydraulic engineering
Curved surface energy dissipating wall.
Background technique
The principle of energy dissipation by hydraulic jump is to set stilling pond, baffle wall style, energy dissipating wall etc. in water retaining structure downstream, and water flow is promoted to limit
Determine to generate hydraulic jump in range, extra energy is consumed by the internal friction of water flow, aeration and shock.The invention can also be used for
The energy dissipating box structure of the pressure pipeline of engineering irrigation, water supply project.The advantages of energy dissipation by hydraulic jump is, hydraulic jump is stablized, effect of energy dissipation compared with
Good, downstream water level fluctuation is small, but there is also disadvantage, after the flow impact efficiency wall of the current positive upstream face of energy dissipating wall,
Mainstream can be reflected or be turned back along some direction, and phase mutual friction, aeration, bump effect are limited inside water flow, and effect of energy dissipation is poor, makes
It is still larger at downstream water flow fluctuation, and stilling pond is longer, and project amount is big, and cost is high, while water flow and energy dissipating wall are direct
Frontal impact, interaction stress is big, serious to the damage of energy dissipating wall front upstream face.
Summary of the invention
For defect and problem existing for current hydraulic engineering energy dissipating wall, energy dissipation tank, the present invention provides a kind of water conservancy work
Journey curved surface efficiency wall.
The present invention solves scheme used by its technical problem: a kind of hydraulic engineering curved surface energy dissipating wall, including energy dissipating end
Wall and multiple settling tanks, the settling tank are set to the meeting water on metope of energy dissipating headwall, energy dissipating in the cylinder and indent of half arc
The backplate that meets water is installed in slot, the backplate that meets water be in the matched half arc cylinder of settling tank, be embedded in the energy dissipating headwall
It is provided with positioning guide column, two sides and the positioning guide column for the backplate that meets water are slidably connected, and the backplate that respectively meets water is led along respective positioning
To column independent slide；The meet water back of backplate is provided with buffer unit, and the buffer unit includes spring base, buffer spring and bullet
Spring sliding sleeve, the spring base are embedded in energy dissipating headwall, and the spring slide set is fixedly installed on the back for the backplate that meets water, bullet
The outer end of spring sliding sleeve is protruded into spring base, and one end of the buffer spring is fixedly installed in spring base, other end activity is set
It is placed in the cylindrical cavity in spring slide set.
Above-mentioned hydraulic engineering curved surface energy dissipating wall, the settling tank are continuous indent camber cylinder, adjacent two settling tank
Between form platform between slot, the inner end of the positioning guide column is embedded to be set between slot in platform.
Above-mentioned hydraulic engineering curved surface energy dissipating wall, the depth of the spring base are denoted as a, the length of spring nature elongation state
Degree is denoted as b, and the length of spring slide set is denoted as c, wherein b > a, c > a.
Above-mentioned hydraulic engineering curved surface energy dissipating wall, the arranged on left and right sides of the backplate that meets water are provided with slip collar, sliding
Lantern ring is set on positioning guide column, is respectively arranged with limited block on positioning guide column, positioned at the two sides of slip collar.
Above-mentioned hydraulic engineering curved surface energy dissipating wall, the internal ring wall of the slip collar are provided with rubber protection pad, sliding sleeve
The both ends of the external annulus of ring are provided with annular groove, and the both ends of the rubber protection pad are rolled outward to be set on annular groove.
Above-mentioned hydraulic engineering curved surface energy dissipating wall, the limited block are set in jointly on two neighboring positioning guide column.
Above-mentioned hydraulic engineering curved surface energy dissipating wall is provided with the different permeable hole of diameter on the backplate that meets water.
Above-mentioned hydraulic engineering curved surface energy dissipating wall, the back of the backplate that meets water are provided with reinforcing rib, and reinforcing rib edge meets water
The back of backplate is arranged, and the thickness of the reinforcing rib is gradually reduced to the left and right sides by the middle part for the backplate that meets water.
Above-mentioned hydraulic engineering curved surface energy dissipating wall, cross direction profiles have a plurality of block in the riverbed of energy dissipating headwall upstream face upstream
Water bank, the adjacent height for blocking water bank are different.
Beneficial effects of the present invention: hydraulic engineering curved surface energy dissipating wall of the invention, using steel reinforced concrete composite construction
Stilling pond headwall, wall upstream face are the continuous spill cylinder that the semicircular arc steel plate of steel construction forms, steel plate and reinforced concrete
Reinforcement welding one in cob wall, forms steel reinforced concrete, improves the mechanism of energy dissipation of stilling pond, energy dissipating wall, a branch of water flow is vertical
Concave surface wall is impacted, the energy dissipating metope of continuous spill cylinder can generate the lateral reflection diffusing of different directions, due to semicircle recessed
Face is that symmetrically, laterally the flow direction of reflection diffusing is also symmetrical, can thus aggravate collision, friction inside water flow, energy dissipating
Effect greatly improves, can be under various flow conditions, especially frequent flood, and hydraulic jump in equal occurred pool is able to satisfy dissipation water
The energy of flow reduces underwater bed and washes away, improved stilling pond structure, while stilling pond length shortens significantly, apron
It can contract shorter, the invention effect of energy dissipation is good, and compared with conventional stilling pond, though need to increase steel plate amount, stilling pond length can be big
It is big to reduce, it reduces investment outlay, and the back of energy dissipating curved surface backplate is provided with buffer spring device, passes through the buffering of buffer spring
Effect enables water flow and backplate to have the buffer distance of retrogressing, reduces water flow significantly to the effect of impact power of energy dissipating backplate, protects
Energy dissipating backplate is protected, and further weakens the internal energy of water flow, enhances water flow energy dissipating effect, therefore the technology has important reality
Border application value.
Detailed description of the invention
Fig. 1 is horizontal cross of the invention；
Fig. 2 is the cross-sectional view in Fig. 1 along B-B；
Fig. 3 is the structure enlargement diagram in Fig. 1 at A；
Fig. 4 is the cross-sectional structure schematic diagram of positioning guide column；
Fig. 5 is the structural schematic diagram of backplate of meeting water；
Fig. 6 is that flow impact meets water baffling energy dissipating schematic diagram after backplate；
Fig. 7 is to include stilling pond longitudinal plane structure schematic diagram of the invention；
In figure: 1- energy dissipating headwall, 2- settling tank, 3- meet water backplate, 4- positioning guide column, 5- buffer unit, 51- spring base, 52-
Buffer spring, 53- spring slide set, platform between 6- slot, 7- slip collar, 71- annular groove, 8- limited block, 9- rubber protection pad,
10- reinforcing rib, 11- permeable hole, 12- block water bank.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1: a kind of hydraulic engineering curved surface energy dissipating wall as shown in figs. 1-7, including energy dissipating headwall 1, settling tank 2 and is met
Water backplate 3, settling tank 2 is in the cylinder of half arc, and 2 indent of settling tank is set to the meeting water on metope of energy dissipating headwall, meets water
Backplate 3 is steel plate and is installed in settling tank 2；The backplate 3 that meets water be in the matched half arc cylinder of settling tank 2, when a branch of water flow
The backplate 3 that meets water of half arc cylinder of vertical impact can generate the lateral reflection diffusing of different directions, since half arc cylinder is pair
Claim, the flow direction for laterally reflecting diffusing is also that symmetrically, can thus aggravate collision, the friction inside water flow, effect of energy dissipation meeting
More preferably；The back for the backplate 3 that meets water is provided with buffer unit 5, buffer unit includes that spring base 51, buffer spring 52 and spring are sliding
Dynamic set 53, spring base 51 is embedded to be installed in energy dissipating headwall 1, and buffer spring 52 is mounted in spring base, and spring slide set 53 is solid
Dingan County is loaded on the back for the backplate 3 that meets water, and the outer end of spring slide set 53 is protruded into spring base 51, and the free end of buffer spring 52 is living
In the dynamic cylindrical cavity being set in spring slide set 53, the depth of spring base 51 is denoted as a, the natural elongation state of buffer spring 52
Length be denoted as b, the length of spring slide set 53 is denoted as c, wherein the length b > spring base of the natural elongation state of buffer spring 52
51 depth a ensure that under the normal elongation state of buffer spring 52 that the free end of buffer spring 52 can stretch out spring base 51,
On the one hand convenient for spring slide set 53 to be set in outside buffer spring 52, it is biggish on the other hand can to guarantee that buffer spring 52 has
Buffer distance, so that guarantee meets water, backplate 3 has longer buffer distance backward, protects the backplate 3 that meets water；Wherein spring slide set 53
Length c > spring base 51 depth a so that meeting water between backplate 3 and settling tank 2 has a certain distance, when meet water backplate 3 after
When moving on to maximum distance (when i.e. spring slide 53 rear ends of set and spring base 51 contact), meet water backplate 3 and the generation of settling tank 2 are avoided
It hits, protection meets water backplate 3, and when flow impact meets water backplate 3, water flow is being pressed against to meet water and backplate 3 while moved backward, and squeezes and delays
Spring 52,52 compression deformation of buffer spring are rushed, the backplate 3 that meets water retreats, and reduces water flow significantly to the effect of impact for the backplate 3 that meets water
Power protects the backplate 3 that meets water, and further weakens the internal energy of water flow, enhances water flow energy dissipating effect；In the present embodiment, energy dissipating
Slot 2 includes several of laterally consecutive setting, several indent camber cylinder settling tanks are connected the energy dissipating face of being collectively formed, adjacent
Platform 6 between slot is formed between two settling tanks 2, is embedded between slot on platform 6 and is provided with positioning guide column 4, meet water the left and right of backplate 3
Two sides are welded with slip collar 7, and slip collar 7 is set on positioning guide column 4, and the left and right ends for the backplate 3 that meets water pass through cunning
Dynamic lantern ring 7 is slidably connected with positioning guide column 4, and 4 one side of positioning guide column plays the role of the fixed backplate 3 that meets water, another party
Face also enables to meet water backplate 3 along the back-and-forth motion of positioning guide column 4, and the backplate 3 that respectively meets water is independent sliding along respective positioning guide column 4
Dynamic, the adjacent buffering flow of water independently of one another of backplate 3 that respectively meets water, it is whole completely irregular that multiple backplates 3 that meet water will cause energy dissipating headwall 1
It is of reciprocating vibration, achieve the purpose that eliminate the flow of water resonance.And from the adjacent water flow and phase that backplate 3 is exited because being hit that meet water
The meet water water flow of the advance of backplate 3 of neighbour generates mutual impact again, has the function that vibration energy dissipating；On positioning guide column 4, it is located at and slides
The two sides of dynamic lantern ring 7 are provided with limited block 8, and limited block 8 is set in jointly on two neighboring positioning guide column 4, and meet water shield
Plate 3 slides between two limited blocks 8, and the backplate 3 that can prevent from meeting water falls off from positioning guide column 4；In slip collar 7
Ring wall is provided with rubber protection pad 9, and the both ends of the external annulus of slip collar 7 are provided with annular groove 71, the both ends of rubber protection pad 9 to
It rolls and is set on annular groove 71 outside, rubber protection pad 9 can reduce the abrasion between slip collar 7 and positioning guide column 4；It is meeting
The back of water backplate 3 is provided with reinforcing rib 10, and reinforcing rib is along the setting of the back for the backplate that meets water, and the thickness of reinforcing rib 10 is by the shield that meets water
The middle part of plate is gradually reduced to the left and right sides, to increase the integral strength for the backplate 3 that meets water；
Embodiment 2: the hydraulic engineering curved surface energy dissipating wall in the present embodiment is said centered on the difference in embodiment 1
It is bright；
In the present embodiment, as shown in figure 5, being provided with the different permeable hole of diameter on the backplate 3 that meets water, made using permeable hole 11
Part water flow enters the rear side of backplate 3 that meets water, and reaches reduction and meets water backplate 3 while impact, utilizes the return for 3 rear side of backplate that meets water
The flow of water further reaches irregular vibration purpose to 3 reverse impact of backplate that meets water, and disperses the flow of water and cause the multidirectional flow of water certainly
The purpose of my energy dissipating.
In the present embodiment, as shown in fig. 6-7, cross direction profiles have a plurality of block in the riverbed of 1 upstream face upstream of energy dissipating headwall
Water bank 12, the adjacent height for blocking water bank is different, constitutes energy dissipation tank, water bank 12 is blocked using transverse direction a plurality of in energy dissipation tank, to water flow
While carrying out lateral energy dissipating, it also will form a plurality of ripples laterally to advance, lateral ripples encounter disappearing of being vertically distributed again
Can the meet water backplate 3 that can meet water to two sides dispersion and central distribution, vertical arc after backplate 3 of headwall generate evenly dispersed guiding
Function meets water in arc and the relatively uniform flow of water is separated into the diffusing that multiply is mutually impacted inside backplate 3, reaches the weakening flow of water
Effect.
Claims (9)
1. a kind of hydraulic engineering curved surface energy dissipating wall, it is characterised in that: including energy dissipating headwall and multiple settling tanks, the settling tank is in
The cylinder and indent of half arc are set to the meeting water on metope of energy dissipating headwall, and the backplate that meets water is equipped in settling tank, described to meet water
Backplate be in the matched half arc cylinder of settling tank, insertion is provided with positioning guide column in the energy dissipating headwall, and meet water backplate
Two sides are slidably connected with positioning guide column, and the backplate that respectively meets water is along respective positioning guide column independent slide；Meet water the back of backplate
It is provided with buffer unit, the buffer unit includes spring base, buffer spring and spring slide set, and the spring base, which is embedded in, to disappear
In energy headwall, the spring slide set is fixedly installed on the back for the backplate that meets water, and the outer end of spring slide set is protruded into spring base,
One end of the buffer spring is fixedly installed in spring base, the other end is movably set in the cylindrical cavity in spring slide set
In.
2. hydraulic engineering curved surface energy dissipating wall according to claim 1, it is characterised in that: the settling tank is continuous indent
Camber cylinder forms platform between slot between adjacent two settling tank, and the inner end of the positioning guide column is embedded to be set to platform between slot
It is interior.
3. hydraulic engineering curved surface energy dissipating wall according to claim 1, it is characterised in that: the depth of the spring base is denoted as a,
The length of spring nature elongation state is denoted as b, and the length of spring slide set is denoted as c, wherein b > a, c > a.
4. hydraulic engineering curved surface energy dissipating wall according to claim 1, it is characterised in that: left and right the two of the backplate that meets water
Side is provided with slip collar, and slip collar is set on positioning guide column, the two sides on positioning guide column, positioned at slip collar
It is respectively arranged with limited block.
5. hydraulic engineering curved surface energy dissipating wall according to claim 4, it is characterised in that: the internal ring wall of the slip collar is set
It is equipped with rubber protection pad, the both ends of the external annulus of slip collar are provided with annular groove, and the both ends of the rubber protection pad are rolled outward
It is set on annular groove.
6. hydraulic engineering curved surface energy dissipating wall according to claim 4, it is characterised in that: the limited block is set in jointly
On two neighboring positioning guide column.
7. hydraulic engineering curved surface energy dissipating wall according to claim 1, it is characterised in that: be provided on the backplate that meets water straight
Diameter permeable hole not of uniform size.
8. hydraulic engineering curved surface energy dissipating wall according to claim 1, it is characterised in that: the back of the backplate that meets water is arranged
Have a reinforcing rib, reinforcing rib along the setting of the back for the backplate that meets water, the thickness of the reinforcing rib by the backplate that meets water middle part to left and right two
Side is gradually reduced.
9. hydraulic engineering curved surface energy dissipating wall according to claim 1, it is characterised in that: it is characterized by: in energy dissipating headwall
In the riverbed of upstream face upstream cross direction profiles have it is a plurality of block water bank, the adjacent height for blocking water bank is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095004.7A CN109098155B (en) | 2018-09-19 | 2018-09-19 | Hydraulic engineering curved surface energy dissipation wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811095004.7A CN109098155B (en) | 2018-09-19 | 2018-09-19 | Hydraulic engineering curved surface energy dissipation wall |
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| Publication Number | Publication Date |
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| CN109098155A true CN109098155A (en) | 2018-12-28 |
| CN109098155B CN109098155B (en) | 2024-03-15 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778800A (en) * | 2019-02-01 | 2019-05-21 | 四川大学 | Bank type stilling pond is fallen in gradual change |
| CN110541462A (en) * | 2019-09-17 | 2019-12-06 | 昆明理工大学 | Drop energy dissipation anti plastics inspection shaft that floats |
| CN111411612A (en) * | 2020-04-02 | 2020-07-14 | 昆明理工大学 | Curved surface energy dissipation wall for hydraulic engineering |
| CN111436355A (en) * | 2020-04-09 | 2020-07-24 | 吴应祥 | Irrigation and drainage mechanical equipment for modern agriculture |
| CN112144475A (en) * | 2020-09-30 | 2020-12-29 | 汪昕 | Ecological bank protection for hydraulic engineering |
| CN113106939A (en) * | 2021-04-17 | 2021-07-13 | 王洋 | Combined energy dissipation wall for hydraulic engineering |
| CN113718705A (en) * | 2021-08-25 | 2021-11-30 | 应急管理部国家自然灾害防治研究院 | Fabricated coast protection structure with toughness energy dissipation function and construction method |
| CN114606911A (en) * | 2022-03-25 | 2022-06-10 | 应急管理部国家自然灾害防治研究院 | Device for preventing earthquake landslide and surge from impacting dam structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778800A (en) * | 2019-02-01 | 2019-05-21 | 四川大学 | Bank type stilling pond is fallen in gradual change |
| CN109778800B (en) * | 2019-02-01 | 2020-04-28 | 四川大学 | Gradual change falls sill type stilling basin |
| CN110541462A (en) * | 2019-09-17 | 2019-12-06 | 昆明理工大学 | Drop energy dissipation anti plastics inspection shaft that floats |
| CN111411612A (en) * | 2020-04-02 | 2020-07-14 | 昆明理工大学 | Curved surface energy dissipation wall for hydraulic engineering |
| CN111436355A (en) * | 2020-04-09 | 2020-07-24 | 吴应祥 | Irrigation and drainage mechanical equipment for modern agriculture |
| CN112144475A (en) * | 2020-09-30 | 2020-12-29 | 汪昕 | Ecological bank protection for hydraulic engineering |
| CN113106939A (en) * | 2021-04-17 | 2021-07-13 | 王洋 | Combined energy dissipation wall for hydraulic engineering |
| CN113718705A (en) * | 2021-08-25 | 2021-11-30 | 应急管理部国家自然灾害防治研究院 | Fabricated coast protection structure with toughness energy dissipation function and construction method |
| CN114606911A (en) * | 2022-03-25 | 2022-06-10 | 应急管理部国家自然灾害防治研究院 | Device for preventing earthquake landslide and surge from impacting dam structure |
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| CN109098155B (en) | 2024-03-15 |
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