CN207452846U - A kind of ecology intake cone trash rack - Google Patents
A kind of ecology intake cone trash rack Download PDFInfo
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- CN207452846U CN207452846U CN201721457150.0U CN201721457150U CN207452846U CN 207452846 U CN207452846 U CN 207452846U CN 201721457150 U CN201721457150 U CN 201721457150U CN 207452846 U CN207452846 U CN 207452846U
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- floor
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- intake
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Abstract
The utility model discloses a kind of ecological intake cone trash rack, including being located at the in vivo ecological intake pipe in dam；In the intake of ecological intake pipe（3）It is embedded with steel plate ring（4）, steel plate ring（4）Outside is equipped with one group of double shackle being uniformly distributed along the circumference（5）, double shackle（5）Through bolt（6）With conical trash rack（7）Connection.For the utility model while the trash rack body construction strength and stability requirement of flow velocity height is met, trash rack material relatively saves and dirt is not easy to be attached on trash rack, is conducive to block dirt；And current damping can be reduced, improve HYDRODYNAMIC CONDITION RELATING TO, effectively reduce vibration during trash rack overcurrent.
Description
Technical field
The utility model is related to a kind of ecological intake cone trash racks, belong to hydraulic and hydroelectric engineering metal structure technology
Field.
Background technology
It is needed based on environmental protection, hydroelectric project needs bleed downstream ecological flow during the out of service and lower lock water storage of unit
Amount is typically employed in dam body bottom and sets drain valve bleed downstream ecological flow, and conventionally employed welded steel fabric blocks dirty skill
Art, because bar-mat reinforcement rigidity is weaker, stability is poor, this is for the more hydroelectric project of dam body bottom suspended load or bed load, size
Larger dirt can damage bar-mat reinforcement and then valve body be caused to damage into air stream enter runner, and even sluicing runner can sometimes blocked and triggers work
Journey accident, so the prior art or incomplete, up for further improving.
Utility model content
The purpose of this utility model is that providing a kind of ecological intake cone trash rack, meeting the high situation of flow velocity
Under trash rack body construction strength and stability requirement while, trash rack material relatively save and dirt be not easy to be attached to trash rack
On, be conducive to block dirt, and current damping can be reduced, improve HYDRODYNAMIC CONDITION RELATING TO, effectively reduce vibration during trash rack overcurrent, so as to
Overcome the deficiencies in the prior art.
What the technical solution of the utility model was realized in：
A kind of ecological intake cone trash rack of the utility model, it is raw including being located at the in vivo ecological intake pipe in dam
State intake pipe is reduced pipe or equal pipe；Steel plate ring is embedded in the intake of ecological intake pipe, one group is equipped on the outside of steel plate ring
The double shackle being uniformly distributed along the circumference, double shackle are connected through bolt with conical trash rack；Conical trash rack includes annular support seat,
Annular support seat is equipped with one group of straight trough being uniformly distributed along the circumference；Annular support seat is equipped with cross main grid；Cross main grid includes
Vertical grid blank；Vertical grid blank two sides respectively with horizontal screen vertical welding；Each set respectively between vertical grid blank and horizontal screen
There are small arc-shaped floor, middle circular arc floor and orthodrome floor；Each radial internal rib is equipped between vertical grid blank and horizontal screen
Floor and the outer floor of radial direction in plate, radial direction；Radial internal rib plate is located between small arc-shaped floor and middle circular arc floor, floor in radial direction
Between middle circular arc floor and orthodrome floor, radially outer floor is located on the outside of orthodrome floor.
In foregoing ecology intake cone trash rack, the global shape of the cone trash rack is conical, circular cone
The circular conical surface of shape is towards updrift side.
In foregoing ecology intake cone trash rack, the vertical grid blank is equilateral triangle, the shape of horizontal screen
For right angled triangle, vertical grid blank is identical with the height of horizontal screen；A right-angle side and vertical grid blank for two horizontal screens
Both sides, which are symmetrically welded, forms cross main grid；It is welded with the straight trough on annular support seat the bottom surface of cross main grid.
In foregoing ecology intake cone trash rack, the small arc-shaped floor, middle circular arc floor and orthodrome floor are equal
For 90 ° of arc plates；The height welding position corresponding with vertical grid blank of small arc-shaped floor, middle circular arc floor and orthodrome floor is high
It spends identical.
In foregoing ecology intake cone trash rack, the shape of floor is right angle ladder in the radial internal rib plate and radial direction
Shape；Radially the shape of outer floor is right angled triangle, vertical grid blank, horizontal screen and the junction of the outer floor of radial direction and double shackle
Equipped with bolt hole；A right-angle side and annular support for the right-angle side of floor and the outer floor of radial direction in radial internal rib plate and radial direction
Straight trough welding on seat.
In foregoing ecology intake cone trash rack, the small arc-shaped floor, middle circular arc floor, orthodrome floor and footpath
Into inner rib plate, radial direction floor, outside radial direction floor, vertical grid blank and horizontal screen the equal chamfering of overcurrent rib power into streamline cambered surface.
By adopting the above-described technical solution, the utility model is compared with prior art, the utility model has and has as follows
Beneficial effect：1st, trash rack uses lattice pyramid type, and main grid sectional dimension is changed linearly with moment of flexure size, is meeting flow velocity height
In the case of trash rack body construction strength and stability requirement while, trash rack material relatively save and dirt be not easy to be attached to and block
On dirty grid, be conducive to block dirt；2nd, grizzly bar flow-passing surface is taper, and front/rear end is streamline construction, greatly reduces current damping,
HYDRODYNAMIC CONDITION RELATING TO is good, effectively reduces vibration during trash rack overcurrent；3rd, using the small reducing in the big rear end in front end after annular steel plate
Pipe and equal pipe connection mode can reduce the flow velocity of ecological intake by the local ecology intake flow-passing surface that increases, be conducive to
Vibration during trash rack overcurrent is reduced, is conducive to the high ecological intake pipe of flow velocity and blocks dirt；4th, annular support seat is set hands over cross
The equilateral triangle shape main grid plate of fork, the radially corresponding straight trough of outer bars position, are conducive to stationary grid；5th, right-angled intersection etc.
Lifting lug after the outer floor insertion straight trough of side triangle main grid plate, radial direction with annular support seat is bolted, and effectively improves
Resistance to shock of the trash rack under the high current of flow velocity；6th, the lifting lug of conical trash rack and annular support seat is bolted pair
The adaptability of vibration is good, is conducive to improve the service life of trash rack, and is conducive to assemble and dismantle.
Description of the drawings
Fig. 1 is the structure diagram one of the utility model；
Fig. 2 is the structure diagram two of the utility model；
Fig. 3 is the partial enlarged view at A in Fig. 2；
Fig. 4 is the assembling schematic diagram of Fig. 2；
Fig. 5 is the schematic diagram of three radial rib plates.
In figure：1- reduced pipes, 2- equal pipes, 3- intakes, 4- steel plates ring, 5- double shackles, 6- bolts, 7- cones block dirt
Grid, 8- annular supports seat, 9- straight troughs, 10- cross main grid, 11- vertical grid blanks, the horizontal screens of 12-, 13- small arc-shapeds floor,
Floor in circular arc floor, 15- orthodromes floor, 16- radial internal ribs plate, 17- radial directions, 18- radially outer floor, 19- bolts in 14-
Hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but not as new to this practicality
Any restrictions of type.
A kind of ecological intake cone trash rack of the utility model, as shown in Figs. 1-5, including being located at the in vivo life in dam
State intake pipe, ecological intake pipe are reduced pipe 1 or equal pipe 2；It is characterized in that：It is embedded in the intake 3 of ecological intake pipe
Steel plate ring 4,4 outside of steel plate ring are equipped with one group of double shackle 5 being uniformly distributed along the circumference, and double shackle 5 is through bolt 6 and conical trash rack 7
Connection；Conical trash rack 7 includes annular support seat 8, and annular support seat 8 is equipped with one group of straight trough 9 being uniformly distributed along the circumference；It is annular
The straight trough 9 of fulcrum bearing 8 is equipped with cross main grid 10；Cross main grid 10 includes vertical grid blank 11；Distinguish on 11 two sides of vertical grid blank
With horizontal 12 vertical welding of screen；Small arc-shaped floor 13, middle circle are each respectively equipped between vertical grid blank 11 and horizontal screen 12
Arc floor 14 and orthodrome floor 15；It is each that radial internal rib plate 16, radial direction are equipped between vertical grid blank 11 and horizontal screen 12
Middle floor 17 and radially outer floor 18；Radial internal rib plate 16 is located between small arc-shaped floor 13 and middle circular arc floor 14, in radial direction
Floor 17 is between middle circular arc floor 14 and orthodrome floor 15, and radially outer floor 18 is located at 15 outside of orthodrome floor.Circle
The global shape of taper trash rack 7 is cone, and the circular conical surface of conical trash rack 7 is towards updrift side.Vertical grid blank 11 is
Equilateral triangle, the shape of horizontal screen 12 is right angled triangle, and vertical grid blank 11 is identical with the height of horizontal screen 12；Two
One right-angle side of horizontal screen 12 is symmetrically welded with 11 both sides of vertical grid blank and forms cross main grid 10；Cross main grid 10
It is welded with the straight trough 9 on annular support seat 8 bottom surface.Small arc-shaped floor 13, middle circular arc floor 14 and orthodrome floor 15 are 90 °
Arc plate；The height of small arc-shaped floor 13, middle circular arc floor 14 and orthodrome floor 15 and 11 corresponding weld part of vertical grid blank
Position height is identical.The shape of floor 17 is right-angled trapezium in radial internal rib plate 16 and radial direction；Radially the shape of outer floor 18 is straight
Angle triangle, vertical grid blank 11, horizontal screen 12 and the outer floor 18 of radial direction and the junction of double shackle 5 are equipped with bolt hole 19；Footpath
Into inner rib plate 16 and radial direction outside the right-angle side of floor 17 and radial direction a right-angle side of floor 18 on annular support seat 8
Straight trough 9 welds.Floor 17 in small arc-shaped floor 13, middle circular arc floor 14, orthodrome floor 15 and radial internal rib plate 16, radial direction,
Radially the equal chamfering of overcurrent rib power of outer floor 18, vertical grid blank 11 and horizontal screen 12 is into streamline cambered surface.
Embodiment
A kind of ecological intake cone trash rack of the utility model, as shown in Figs. 1-5, this example is in ecological intake pipe
Intake 3 is embedded with steel plate ring 4, and the double shackle 5 of annular configuration is set on steel plate ring 4, and a cone is set on double shackle 5
Trash rack 7；It is connected between conical trash rack 7 and double shackle 5 by bolt 6；Conical trash rack 7 is by annular support seat 8, ten
Floor 17, the outer floor 18 of radial direction and ring-type are evenly arranged in font main grid 10, the annular radial internal rib plate 16 being evenly arranged, radial direction
Small arc-shaped floor 13, middle circular arc floor 14 and orthodrome floor 15 welding form lattice cone；Cross main grid 10, ring
Floor 17, radial internal rib plate 16 and the annular small arc-shaped floor being evenly arranged in radial direction outer floor 18, radial direction that shape is evenly arranged
13rd, middle circular arc floor 14, the flow-passing surface front/rear end of orthodrome floor 15 are streamline construction；Ecology water intaking after steel plate ring 4
Pipe is using the small reduced pipe 1 in the big rear end of equal pipe 2 or front end；Annular support seat 8 is equipped with and cross main grid 10, radial direction external fin
The straight trough 9 that floor 17,16 ring-type of radial internal rib plate are evenly arranged in plate 18, radial direction；Double shackle 5 is equipped with bolt hole 19；Cross
Shape main grid 10 and radially outer floor 18 are equipped with bolt hole 19 corresponding with 5 position of double shackle；Cross main grid 10 and ring-type are equal
Floor 17, radial internal rib plate 16 are embedded in after straight trough 9 and 8 welding by both sides of annular support seat in the radial direction of even arrangement outer floor 18, radial direction
It connects securely.
Claims (6)
1. a kind of ecology intake cone trash rack, including being located at the in vivo ecological intake pipe in dam, ecological intake pipe is reducing
Pipe（1）Or equal pipe（2）；It is characterized in that：In the intake of ecological intake pipe（3）It is embedded with steel plate ring（4）, steel plate ring（4）
Outside is equipped with one group of double shackle being uniformly distributed along the circumference（5）, double shackle（5）Through bolt（6）With conical trash rack（7）Connection；Circle
Taper trash rack（7）Including annular support seat（8）, annular support seat（8）It is equipped with one group of straight trough being uniformly distributed along the circumference（9）；Ring
Shape fulcrum bearing（8）It is equipped with（9）Be equipped with cross main grid（10）；Cross main grid（10）Including vertical grid blank（11）；Vertical gate
Plate（11）Two sides respectively with horizontal screen（12）Vertical welding；Each vertical grid blank（11）With horizontal screen（12）Between set respectively
There is small arc-shaped floor（13）, middle circular arc floor（14）With orthodrome floor（15）；Each vertical grid blank（11）With horizontal screen
（12）Between be equipped with radial internal rib plate（16）, floor in radial direction（17）With radially outer floor（18）；Radial internal rib plate（16）Position
In small arc-shaped floor（13）With middle circular arc floor（14）Between, floor in radial direction（17）Positioned at middle circular arc floor（14）With orthodrome
Floor（15）Between, the outer floor of radial direction（18）Positioned at orthodrome floor（15）Outside.
2. ecological intake cone trash rack according to claim 1, it is characterised in that：The cone trash rack（7）
Global shape for cone, conical trash rack（7）Circular conical surface towards updrift side.
3. ecological intake cone trash rack according to claim 1, it is characterised in that：The vertical grid blank（11）For etc.
Side triangle, horizontal screen（12）Shape for right angled triangle, vertical grid blank（11）With horizontal screen（12）Height it is identical；
Two horizontal screens（12）A right-angle side and vertical grid blank（11）Both sides, which are symmetrically welded, forms cross main grid（10）；Cross
Shape main grid（10）Bottom surface and annular support seat（8）On straight trough（9）Welding.
4. ecological intake cone trash rack according to claim 1, it is characterised in that：The small arc-shaped floor（13）、
Middle circular arc floor（14）With orthodrome floor（15）It is 90 ° of arc plates；Small arc-shaped floor（13）, middle circular arc floor（14）With it is big
Circular arc floor（15）Height and vertical grid blank（11）Corresponding welding position height is identical.
5. ecological intake cone trash rack according to claim 1, it is characterised in that：The radial internal rib plate（16）With
Floor in radial direction（17）Shape be right-angled trapezium；Radially outer floor（18）Shape for right angled triangle, vertical grid blank（11）
With horizontal screen（12）And the outer floor of radial direction（18）With double shackle（5）Junction be equipped with bolt hole（19）；Radial internal rib plate
（16）With floor in radial direction（17）Right-angle side and radially outer floor（18）A right-angle side and annular support seat（8）On
Straight trough（9）Welding.
6. ecological intake cone trash rack according to claim 1, it is characterised in that：The small arc-shaped floor（13）、
Middle circular arc floor（14）, orthodrome floor（15）With radial internal rib plate（16）, floor in radial direction（17）, radially outer floor（18）、
Vertical grid blank（11）And horizontal screen（12）The equal chamfering of overcurrent rib power into streamline cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721457150.0U CN207452846U (en) | 2017-11-03 | 2017-11-03 | A kind of ecology intake cone trash rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721457150.0U CN207452846U (en) | 2017-11-03 | 2017-11-03 | A kind of ecology intake cone trash rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207452846U true CN207452846U (en) | 2018-06-05 |
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ID=62253763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721457150.0U Active CN207452846U (en) | 2017-11-03 | 2017-11-03 | A kind of ecology intake cone trash rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207452846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794885A (en) * | 2017-11-03 | 2018-03-13 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ecological intake cone trash rack |
| CN110374069A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of fixed trash rack of intake-outlet cylinder type |
-
2017
- 2017-11-03 CN CN201721457150.0U patent/CN207452846U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794885A (en) * | 2017-11-03 | 2018-03-13 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of ecological intake cone trash rack |
| CN107794885B (en) * | 2017-11-03 | 2023-02-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Ecological water intake conical trash rack |
| CN110374069A (en) * | 2019-07-15 | 2019-10-25 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of fixed trash rack of intake-outlet cylinder type |
| CN110374069B (en) * | 2019-07-15 | 2024-02-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Cylindrical fixed trash rack for water inlet and water outlet |
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