CN206859185U - It is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function - Google Patents
It is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function Download PDFInfo
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- CN206859185U CN206859185U CN201720349396.XU CN201720349396U CN206859185U CN 206859185 U CN206859185 U CN 206859185U CN 201720349396 U CN201720349396 U CN 201720349396U CN 206859185 U CN206859185 U CN 206859185U
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- deep hole
- horizontal proliferation
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Abstract
The utility model discloses a kind of new build deep hole for having and reducing outlet stream horizontal proliferation function, belong to discharge construction design field.It is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function, including the deep hole body with accident valve, maintenance valve and transverse joint, the deep hole body includes import, barrel and outlet, the outlet both sides are equipped with abutment pier, the admission section and Outlet Section of the deep hole body are rectangle, the admission section vertical height is higher than the vertical height of Outlet Section, and the deviation of vertical height is no more than 35%, and the transverse width of the admission section is less than the transverse width of Outlet Section.It has more reasonably build, the deep hole of difference be present suitable for admission section and Outlet Section size, while outlet stream horizontal proliferation phenomenon can be greatly reduced, and prevents water impact abutment pier, effectively protects the Stability Analysis of Structures of deep hole outlet abutment pier.
Description
Technical field
Discharge construction design field is the utility model is related to, has more specifically to one kind and reduces out saliva
Flow the new build deep hole of horizontal proliferation function.
Background technology
At present, with the construction of high water head Hydraulic and Hydro-Power Engineering, high water head low-leveled outlet is widely applied and flood relief through dam
System, huge flood discharge task being carry, the design build of flood discharge not only needs to ensure the safety of self structure, and also simultaneously
Consider that flood discharge to the stable influence in downstream, due to the various limitations in induced joint dam body space, often leads to deep hole import and depth
Hole exits can not be on same straight line, and thus deep hole there may be certain deflection angle in dam body, pacify for downstream
Full consideration, it is desirable to which sluicing tongue drop point spatially disperses arrangement under deep hole, and this requires deep hole outlet to use necessarily
The compound build chosen or pushed is acted, a variety of factors cause deep hole knowledge question of water conservancy and its complexity, due to deep holes body type gradually
The presence of change, the longitudinal compression especially exported, cause deep hole outlet stream that laterally there is larger angle of flare, when abutment pier distance
When insufficient, horizontal proliferation water impact abutment pier is resulted in, easily produces abutment pier structural instability, high water head deep hole exit velocity is often
More than 35m/s, impact of the high-velocity flow to abutment pier is more serious, is badly in need of a kind of effectively reduction deep hole outlet stream horizontal proliferation and shows
The new build deep hole of elephant.
Utility model content
1. technical problems to be solved
This practical purpose is to propose a kind of new build deep hole for having and reducing outlet stream horizontal proliferation function, deep hole
With more reasonably build, this build is applied to the deep hole that admission section has difference with Outlet Section size, while can be big
Amplitude reduces outlet stream horizontal proliferation phenomenon, prevents water impact abutment pier, effectively protects the Stability Analysis of Structures of deep hole outlet abutment pier.
2. technical scheme
To solve the above problems, the utility model adopts the following technical scheme that.
It is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function, including with accident valve, service valve
The deep hole body of door and transverse joint, the deep hole body include import, barrel and outlet, and the outlet both sides are equipped with abutment pier, institute
It is rectangle to state the admission section of deep hole body and Outlet Section, and the admission section vertical height is vertical higher than Outlet Section
Highly, and the deviation of vertical height is no more than 35%, and the transverse width of the admission section is less than the transverse width of Outlet Section,
And the deviation of transverse width is no more than 15%, the barrel length is more than the transverse width of 15 times of admission sections, and the barrel includes
Leading portion and back segment, the length ratio of the leading portion and back segment is 7：8, the back segment has the angle less than 3 °, the depth with leading portion
Hole plane deflects starting point positioned at leading portion and back segment between, is provided with horizontal proliferation on the leading portion, the horizontal proliferation position and
The distance of import is no more than the transverse width of 5 times of admission sections, and horizontal proliferation angle is no more than 2 °, the depth in the utility model
Horizontal proliferation position is arranged on the leading portion of deep hole by hole body type, can effectively reduce the sideways diffusion angle of deep hole outlet stream, prevents
Only export high speed water jet impact both sides abutment pier.
Preferably, the build that the outlet is upwarped using pressure, and angle is upwarped no more than 20 °, for import and outlet
Vertical deviation no more than %, conjunction outlet rise choose angle requirement, by top and bottom different angle upwarp complete it is vertical
The transition of size.
Preferably, the build that the outlet is pushed using pressure, and angle is pushed no more than 20 °, for import and outlet
Vertical deviation no more than %, conjunction outlet rise choose angle requirement, by top and bottom different angle push complete it is vertical
The transition of size.
Preferably, the junction of the leading portion and back segment polishes smooth, and is not likely to produce the junction of leading portion and back segment and splits
Line.
Preferably, the medial surface of the outlet is provided with scuff-resistant coating, makes the medial surface of outlet more resistant to the impact of current, will not
Crack, influence horizontal proliferation phenomenon.
Preferably, the side wall of the leading portion horizontal proliferation position polishes smooth, when making current by horizontal proliferation position, resistance
Power diminishes, and is more beneficial for reducing outlet stream horizontal proliferation.
3. beneficial effect
Compared to prior art, the utility model has the advantage of：
（1）Horizontal proliferation position is arranged on the leading portion of deep hole by the deep hole build in the utility model, can effectively reduce depth
The sideways diffusion angle of hole exits current, prevent from exporting high speed water jet impact both sides abutment pier.
（2）The build that outlet is upwarped using pressure, and angle is upwarped no more than 20 °, it is no more than 35% for import and outlet
Vertical deviation, rising for conjunction outlet choose angle requirement, vertical size completed by upwarping for top and bottom different angle
Transition.
（3）The build that outlet is pushed using pressure, and angle is pushed no more than 20 °, it is no more than 35% for import and outlet
Vertical deviation, rising for conjunction outlet choose angle requirement, vertical size completed by pushing for top and bottom different angle
Transition.
（4）The junction of leading portion and back segment polishes smooth, and the junction of leading portion and back segment is not likely to produce crackle.
（5）The medial surface of outlet is provided with scuff-resistant coating, the medial surface of outlet is not produced and is split more resistant to the impact of current
Line, influence horizontal proliferation phenomenon.
（6）The side wall of leading portion horizontal proliferation position polishes smooth, and when making current by horizontal proliferation position, resistance diminishes,
It is more beneficial for reducing outlet stream horizontal proliferation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the angled structural representation of the utility model mark；
Fig. 3 is the structural representation of prior art.
110 horizontal proliferation, 111 imports, 112 leading portions, 113 back segments, 114 outlets, 1001 maintenance valves, 1002 guard valves
Door, 1003 transverse joints.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment；The technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe；Obviously；Described embodiment is only the utility model part of the embodiment；Rather than whole
Embodiment.Based on the embodiment in the utility model；Those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained；Belong to the scope of the utility model protection.
Embodiment 1：
Fig. 1-3 are referred to, it is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function, including with accident
The deep hole body of valve 1002, maintenance valve 1001 and transverse joint 1003, it is disconnected with outlet 114 that new build is applied to the section of import 111
There is the deep hole of difference in face size, while the outlet phenomenon of 114 current horizontal proliferation 110 can be greatly reduced, and prevent water impact
Abutment pier, the Stability Analysis of Structures of abutment pier at effective protection exit 114.
The section of import 111 and 114 sections of outlet are rectangle, export and are equipped with scuff-resistant coating on 114 medial surface, make outlet
114 medial surface is not likely to produce crackle, the cross section perpendicular of import 111 highly hanging down higher than 114 sections of outlet more resistant to the impact of current
Straight height, and the deviation of vertical height is no more than 35%, the transverse width of the section of import 111 is less than the laterally wide of 114 sections of outlet
Degree, and the deviation of transverse width is no more than 15%, barrel length is more than the transverse width of 15 times of sections of import 111, before barrel includes
The length ratio of section 112 and back segment 113, leading portion 112 and back segment 113 is 7：8, back segment 113 has 2 ° of angle with leading portion 112, preceding
The junction of section 112 and back segment 113 polishes smooth, and the junction of leading portion 112 and back segment 113 is not likely to produce crackle, deep hole sheet
Body plane deflection starting point is laterally inclined no more than 15% with outlet 114 for import 111 between leading portion 112 and back segment 113
Difference, horizontal proliferation 110 is set in leading portion 112, the position of horizontal proliferation 110 and no more than 5 times imports 111 of distance of import 111 are disconnected
The transverse width in face, barrel lateral dimension is expanded, wherein the angle of horizontal proliferation 110 is 2 °, the angle of current horizontal proliferation 110
Reduce, current is not impacted abutment pier, the side wall of the position of 112 horizontal proliferation of leading portion 110 polishes smooth, and current is passed through horizontal expansion
When dissipating 110 position, resistance diminishes, and is more beneficial for reducing 114 current horizontal proliferation 110 of outlet.
For import 111 and vertical deviation of the outlet 114 no more than 35%, angle requirement is chosen in rising for conjunction outlet 114,
Deep hole bottom sets pressure to upwarp build, and top pressure upwarps, and upwarps angle no more than 20 °, passes through top and bottom difference angle
Degree is upwarped to complete the transition of vertical size.
Embodiment 2：
A kind of new build deep hole with reduction outlet stream horizontal proliferation function, it is same as Example 1, it is different
It is that, for import 111 and vertical deviation of the outlet 114 no more than 35%, angle requirement is chosen in rising for conjunction outlet 114, at deep hole bottom
Portion sets pressure to push build, and top pressure pushes, and angle is pushed no more than 20 °, by under top and bottom different angle
Press to complete the transition of vertical size.
Fig. 1 compares the prior art in Fig. 3, and barrel is common through hole in Fig. 3, and outlet 114 is not provided with pressure
Stick up or push build, water impact abutment pier, shock zone is obvious, and barrel includes leading portion 112 and back segment in Fig. 1 the utility model
113, leading portion 112 has the angle less than 3 ° with back segment 113, to complete the company of import 111 and outlet 114 not on the same line
Connect, for import 111 and lateral deviation of the outlet 114 no more than 15%, using the side that horizontal proliferation 110 is set in leading portion 112
Method, barrel lateral dimension is expanded, wherein the angle of horizontal proliferation 110 is not more than 2 °.
It is of the present utility model to be advantageous in that：New build is applied to import 111 and 114 asymmetric high water head of outlet is deep
Hole, and 114 high-velocity flows of outlet have the less angle of horizontal proliferation 110, current will not impact abutment pier, be advantageous to outlet 114
Locate the structure safety of abutment pier.
It is described above；The only preferable embodiment of the utility model；But the scope of protection of the utility model is not
It is confined to this；Any one skilled in the art is in the technical scope that the utility model discloses；According to this practicality
New technical scheme and its improvement design is subject to equivalent substitution or change；It should all cover in the scope of protection of the utility model
It is interior.
Claims (6)
1. a kind of have the new build deep hole for reducing outlet stream horizontal proliferation function, including with accident valve（1002）, inspection
Repair valve（1001）And transverse joint（1003）Deep hole body, the deep hole body includes import（111）, barrel and outlet（114）,
The outlet（114）Both sides are equipped with abutment pier, it is characterised in that：The import of the deep hole body（111）Section and outlet（114）
Section is rectangle, the import（111）Cross section perpendicular is highly higher than outlet（114）The vertical height of section, and both are vertical
The deviation of height is no more than 35%, the import（111）The transverse width of section is less than outlet（114）The transverse width of section, and
The deviation of both transverse widths is no more than 15%, and the barrel length is more than 15 times of imports（111）The transverse width of section, it is described
Barrel includes leading portion（112）And back segment（113）, the leading portion（112）And back segment（113）Length ratio be 7：8, the back segment
（113）With leading portion（112）There is the angle less than 3 °, the deep hole plane deflection starting point is located at leading portion（112）And back segment（113）It
Between, the leading portion（112）On be provided with horizontal proliferation（110）, the horizontal proliferation（110）Position and import（111）Distance
No more than 5 times imports（111）The transverse width of section, and horizontal proliferation（110）Angle is no more than 2 °.
2. a kind of new build deep hole with reduction outlet stream horizontal proliferation function according to claim 1, its feature
It is：The outlet（114）The build upwarped using pressure, and angle is upwarped no more than 20 °.
3. a kind of new build deep hole with reduction outlet stream horizontal proliferation function according to claim 1, its feature
It is：The outlet（114）The build pushed using pressure, and angle is pushed no more than 20 °.
4. a kind of new build deep hole with reduction outlet stream horizontal proliferation function according to claim 1, its feature
It is：The leading portion（112）And back segment（113）Junction polish smooth.
5. a kind of new build deep hole with reduction outlet stream horizontal proliferation function according to claim 1, its feature
It is：The outlet（114）Medial surface be provided with scuff-resistant coating.
6. a kind of new build deep hole with reduction outlet stream horizontal proliferation function according to claim 1, its feature
It is：The leading portion（112）Horizontal proliferation（110）The side wall of position polishes smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349396.XU CN206859185U (en) | 2017-04-05 | 2017-04-05 | It is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720349396.XU CN206859185U (en) | 2017-04-05 | 2017-04-05 | It is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function |
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| Publication Number | Publication Date |
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| CN206859185U true CN206859185U (en) | 2018-01-09 |
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| CN201720349396.XU Active CN206859185U (en) | 2017-04-05 | 2017-04-05 | It is a kind of that there is the new build deep hole for reducing outlet stream horizontal proliferation function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836154A (en) * | 2017-04-05 | 2017-06-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of new build deep hole with reduction outlet stream horizontal proliferation function |
-
2017
- 2017-04-05 CN CN201720349396.XU patent/CN206859185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836154A (en) * | 2017-04-05 | 2017-06-13 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of new build deep hole with reduction outlet stream horizontal proliferation function |
| CN106836154B (en) * | 2017-04-05 | 2023-10-03 | 水利部交通运输部国家能源局南京水利科学研究院 | Novel deep hole with function of reducing outlet water flow lateral diffusion |
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