CN207032181U - Unilateral multipoint mode disperses energy dissipater - Google Patents
Unilateral multipoint mode disperses energy dissipater Download PDFInfo
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- CN207032181U CN207032181U CN201720992797.7U CN201720992797U CN207032181U CN 207032181 U CN207032181 U CN 207032181U CN 201720992797 U CN201720992797 U CN 201720992797U CN 207032181 U CN207032181 U CN 207032181U
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Abstract
It the utility model is related to water conservancy and hydropower industry, it is especially a kind of to carry out energy dissipating using current itself, and effectively reduce the unilateral multipoint mode that overflow impacts to river course and disperse energy dissipater, including downstream river course, downstream river course side is at least provided with a bank discharge construction, at least one bank discharge construction outlet is provided with the discharge construction of bank, overflow from the outlet of bank discharge construction realizes energy dissipating in downstream river course, and the intersection point between the overflow outer rim of each of which overflow and downstream river course bottom is located at this side of Talweg.The utility model cleverly make use of current itself to carry out energy dissipating; the overflow of each bank discharge construction outlet is located at this side of Talweg due to the intersection point between its overflow outer rim and downstream river course bottom; therefore; the impact failure to opposite bank is greatly lowered in can; also reduce overall wash away; while energy dissipating is ensured, the overall structure that is also effectively protected.The utility model is applied among various flood discharging tunnel energy dissipaters.
Description
Technical field
Water conservancy and hydropower industry is the utility model is related to, especially a kind of unilateral multipoint mode disperses energy dissipater.
Background technology
As country is to the demand of water power clean energy resource, build substantial amounts of high dam, utilized head is generated electricity, flood season due to
It is big to carry out flow, part water body needs to lead off to downstream by flood releasing structure.Because project playout condition influences, flood discharge hole outlet
It is more, it is arranged in unilateral or two sides.It is arranged in unilateral flood discharge outlet to be typically sequentially arranged, trajectory nappe falls into downstream river successively
Road；It is arranged in two sides and then uses interlaced arrangement, makes outlet area not in the same area.Therefore, current structure design is not yet abundant
Energy dissipating is carried out using trajectory nappe self-energy.
Utility model content
Technical problem to be solved in the utility model is to provide one kind and carries out energy dissipating using current itself, and effectively drops
The unilateral multipoint mode that low overflow impacts to river course disperses energy dissipater.
Technical scheme is used by the utility model solves its technical problem：Unilateral multipoint mode disperses energy dissipater, including
Downstream river course, the downstream river course side are provided with the bank discharge construction at least provided with a bank discharge construction
At least one bank discharge construction outlet, the overflow from the outlet of bank discharge construction realize energy dissipating in downstream river course, wherein
Intersection point between the overflow outer rim of each overflow and downstream river course bottom is located at this side of Talweg.
It is further that the bank discharge construction outlet may be contained within the bank discharge construction of the same side, the bank
Side discharge construction outlet is sequentially arranged along downstream river course direction.
It is further the central axis of adjacent two banks discharge construction outlet on unilateral bank discharge construction
Spacing is defined as outlet axes spacing (B1), the overflow horizontal proliferation Breadth Maximum of the overflow of corresponding bank discharge construction outlet
Overflow horizontal proliferation Breadth Maximum (B2) is defined as, wherein, B1 ＞ B2.
It is further that the overflow inner edge of the overflow is intersected with the downstream river course water surface.
The beneficial effects of the utility model are：The utility model cleverly make use of current itself to carry out energy dissipating.In reality
Border is in use, the overflow of each bank discharge construction outlet is located at due to the intersection point between its overflow outer rim and downstream river course bottom
This side of Talweg, accordingly, it is possible to the impact failure to opposite bank is greatly lowered, also reduce it is overall wash away,
While ensureing energy dissipating, the overall structure that is also effectively protected.The utility model is applied among various flood discharging tunnel energy dissipaters.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 N-N sectional views.
In figure mark for：Talweg 1, downstream river course 11, bank discharge construction 2, dash dam 3, water (flow) direction 4,
Horizontal plane 5, form line 6, overflow inner edge 7, overflow outer rim 8, outlet axes spacing (B1), overflow horizontal proliferation Breadth Maximum
(B2), the first incident angle α, bank discharge construction outlet (a, b, c), overflow (A, B, C), the overboard maximum length L of overflow, flood discharge
Outlet overflow chooses stream, and main body inner edge to water surface length L1, flood discharge is exported to flowage line distance L2, flood discharge is exported to Talweg
Distance L3.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Unilateral multipoint mode as shown in Figure 1 and Figure 2 disperses energy dissipater, including downstream river course 11, the side of downstream river course 11
At least provided with a bank discharge construction 2, at least one bank discharge construction outlet is provided with the bank discharge construction 2
(a) overflow (A), from bank discharge construction outlet (a) realizes energy dissipating, each of which overflow (A) in downstream river course 11
Overflow outer rim 8 and the bottom of downstream river course 11 between intersection point be located at this side of Talweg 1.
In the field where the utility model, " energy dissipater " refers to：Eliminate and let out urgency under outlet structure escape works or drop structure
The unnecessary kinetic energy of stream, prevent or mitigate current to hydraulic structure and downstream the erosion damage of rivers and canals etc. and the engineering built is set
Apply；Stream central line：Along the line of each cross section Peak Flow Rate point of water (flow) direction in river.Traditional structure is such：In both sides
Flood releasing structure outlet is arranged, and trajectory nappe is due to more than Talweg, when one side is run, the punching pair of trajectory nappe top
Bank, shock component is big, causes channel protection quantities to increase and risk safe for operation；When bilateral is run, trajectory nappe is in river
Midair collision above road stream central line, atomization is caused to aggravate, the heavy showers that atomization zone comes influences surrounding building safety.
Therefore, the utility model looks for another way, and starts with from the positional structure of overflow and Talweg 1, allows trajectory nappe
Positioned at this bank side of Talweg 1, itself it is a technical advantage that：Actual use when, due to the overflow of each overflow (A) outside
Intersection point between edge 8 and the bottom of downstream river course 11 is located at this side of Talweg 1, and water cushion is deep, and energy dissipation rate is high, therefore is protecting
While demonstrate,proving energy dissipating, significantly reduce and structure is washed away, effectively extend the service life of facility.
In order to reduce the difficulty of construction, such scheme can be selected：The bank discharge construction outlet may be contained within same
On the bank discharge construction 2 of side, the bank discharge construction outlet is sequentially arranged along the direction of downstream river course 11.Bank is sluiced
Building outlet may be contained within the bank discharge construction 2 of the same side, just reduce corresponding construction volume, while, due to this reality
It is located at river course Zhong Hong with the intersection point between the new overflow outer rim 8 using each overflow (A) and the bottom of downstream river course 11
This side of line 1, so even be unilateral overflow, also due to sufficiently water cushion depth and ensure being smoothed out for energy dissipating, it disappears
Energy effect is even due to traditional split energy-dissipating structure of bilateral.It is as shown in Figure 1, can select bank discharge construction outlet (a,
B, on the bank discharge construction 2 that c) may be contained within the same side, so as to eliminate the construction volume for building more bank discharge constructions 2.
In order to avoid intersection and overlapping phenomenon occurs in overflow, as shown in figure 1, such scheme can be selected：Unilateral
The spacing of the central axis of adjacent two banks discharge construction outlet is defined as outlet axes spacing on bank discharge construction 2
(B1), the overflow horizontal proliferation Breadth Maximum of the overflow of corresponding bank discharge construction outlet is defined as overflow horizontal proliferation maximum
Width (B2), wherein, B1 ＞ B2.
Avoid overflow is dry from pounding this bank to place, as shown in Fig. 2 the overflow inner edge 7 of the overflow can be selected to allow with
The trip water surface of river course 11 intersects, as shown in Fig. 2 allowing flood discharge outlet overflow to choose stream main body inner edge to water surface length L1 >=flood discharge outlet
To flowage line distance L2, so as to fall in the water surface under making overflow directly complete, rather than this bank is dropped to.
The utility model cleverly make use of current itself to carry out energy dissipating.In actual use, each bank sluices and built
The overflow of outlet is built because the intersection point between its overflow outer rim and downstream river course bottom is located at this side of Talweg, therefore,
The impact failure to opposite bank is greatly lowered in can, also reduce it is overall wash away, while energy dissipating is ensured, also effectively
The overall structure of protection.The utility model is applied among various flood discharging tunnel energy dissipaters.
Claims (4)
1. unilateral multipoint mode disperses energy dissipater, including downstream river course (11), it is characterised in that：Downstream river course (11) side is extremely
A bank discharge construction (2) is provided with less, and being provided with least one bank discharge construction on the bank discharge construction (2) goes out
Mouth (a), the overflow (A) from bank discharge construction outlet (a) realize energy dissipating, each of which overflow in downstream river course (11)
(A) intersection point between overflow outer rim (8) and downstream river course (11) bottom is located at this side of Talweg (1).
2. unilateral multipoint mode as claimed in claim 1 disperses energy dissipater, it is characterised in that：The bank discharge construction outlet is equal
It is arranged on the bank discharge construction (2) of the same side, the bank discharge construction is exported along downstream river course (11) direction successively cloth
Put.
3. unilateral multipoint mode as claimed in claim 1 or 2 disperses energy dissipater, it is characterised in that：Unilateral bank discharge construction
(2) spacing of the central axis of adjacent two banks discharge construction outlet is defined as outlet axes spacing B1, corresponding bank on
The overflow horizontal proliferation Breadth Maximum of the overflow of side discharge construction outlet is defined as overflow horizontal proliferation Breadth Maximum B2, wherein,
B1 ＞ B2.
4. unilateral multipoint mode as claimed in claim 1 or 2 disperses energy dissipater, it is characterised in that：The overflow inner edge of the overflow
(7) intersect with downstream river course (11) water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992797.7U CN207032181U (en) | 2017-08-09 | 2017-08-09 | Unilateral multipoint mode disperses energy dissipater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992797.7U CN207032181U (en) | 2017-08-09 | 2017-08-09 | Unilateral multipoint mode disperses energy dissipater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207032181U true CN207032181U (en) | 2018-02-23 |
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ID=61475021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720992797.7U Active CN207032181U (en) | 2017-08-09 | 2017-08-09 | Unilateral multipoint mode disperses energy dissipater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207032181U (en) |
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2017
- 2017-08-09 CN CN201720992797.7U patent/CN207032181U/en active Active
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