CN108589659A - Adjust the trash rack of direction of flow - Google Patents
Adjust the trash rack of direction of flow Download PDFInfo
- Publication number
- CN108589659A CN108589659A CN201810465681.7A CN201810465681A CN108589659A CN 108589659 A CN108589659 A CN 108589659A CN 201810465681 A CN201810465681 A CN 201810465681A CN 108589659 A CN108589659 A CN 108589659A
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- CN
- China
- Prior art keywords
- screen frame
- auxiliary
- water blocking
- frame
- blocking blade
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of trash racks adjusting direction of flow, and shaft seat has been uniformly arranged in water inlet frame head plate and bottom plate and has been equipped with central rotating shaft；Water blocking blade and screen frame are installed simultaneously on each central rotating shaft, each water blocking blade and screen frame are independently driven overturning respectively.The present invention can drive each water blocking blade synchronization rotary movement by independent, can reach the guide functions of control water (flow) direction.It is coaxially arranged with the screen frame independently driven with each water blocking blade, can be realized by screen frame and be intercepted floating material, prevent the sundries such as water plant, house refuse as flow enters inside pumping plant, ensures the effect of pump station engineering safe operation.
Description
Technical field：
The invention belongs to hydraulic engineering trash rack technical field of improvement, and in particular to a kind of trash rack adjusting direction of flow.
Background technology：
Hydraulic engineering is the basis of Chinese national economy, by the field investigation to the upper reaches of the Yellow River step lift irrigated project, finds pump
It stands and produces a degree of sediment siltation inside forebay.Front inflow forebay sediment siltation range is larger, and main siltation exists
Forebay both sides middle and back, or even block water pump suction pipe；Lateral forebay is then on the outside of the forebay at side wall and far from water inlet shape
At siltation.In recent years, domestic and foreign scholars propose setting water squeezing plate, diversion pier etc. largely for the bad fluidised form inside forebay
Structure optimization measure, but since engineering is from the Yellow River diversion, sediment charge itself is higher, and scouring effect is not very apparent, and in forebay
Parallel works are arranged in portion, can not change main flow direction, and silt is still in the siltation of both sides low flow velocity area, and then ties up overcurrent sky
Between, influence water feeding of water pump fluidised form.
The major function of the trash rack of Forebay of Pumping Station is exactly to intercept floating material, weeds, house refuse etc. at present, prevent its into
Enter pumping plant, water turbine set is damaged, has a single function, it is simple in structure.
Invention content：
Defect and problem existing for trash rack for current existing Forebay of Pumping Station, the present invention provide a kind of direction of flow that adjusts
Trash rack.Change the direction of flow by improving trash rack direction, the flow of different directions is made more stably to enter different positions
The unit set reduces hydraulic loss, and realizes different interception extent controls by controlling the expansion degree of screen frame.
Scheme is used by the present invention solves its technical problem：A kind of trash rack adjusting direction of flow, including fixation
Water inlet frame in intake tunnel position and multiple parallel water blocking blades in water inlet frame, in water inlet frame
It has been uniformly arranged shaft seat on frame top plate and bottom plate, central rotating shaft is vertically installed in upper and lower corresponding shaft seat；Each water blocking
Blade is provided centrally with main bottom bracket axle, and the main bottom bracket axle of each water blocking blade is sleeved on corresponding central rotating shaft；While with
Cooperation is equipped with screen frame on each central rotating shaft, and the top and bottom at screen frame center are respectively arranged with auxiliary bottom bracket axle, each screen frame
Upper and lower auxiliary bottom bracket axle be set in the upper and lower end of the central rotating shaft, screen frame can be overlapped with corresponding water blocking blade and
Expansion；It is divided into not on the upside of water blocking blade edge and is provided with mainboard drive shaft and auxiliary plate drive shaft, each master on the upside of screen frame edge
Plate drive shaft and auxiliary plate drive shaft are respectively installed with main drive axle sleeve and auxiliary drive axle sleeve, and all or part of main drive axle sleeve is driven by mainboard
Dynamic connecting rod is connected as one, and all or part of auxiliary drive axle sleeve is connected as one by auxiliary plate drive link, and the mainboard driving connects
The end of bar is connect with the telescopic rod of main drive cylinder, and main drive cylinder is fixed on water inlet frame side wall, the auxiliary plate driving
The end of connecting rod is connect with the telescopic rod of auxiliary drive cylinder, and auxiliary drive cylinder is fixed on water inlet frame side wall.
The screen frame is divided into left and right two parts by the auxiliary bottom bracket axle at its center, left and right two parts screen frame respectively with auxiliary axis
It covers and tangent welds together.
The screen frame is integrated frame structure, or is composite structure；The screen frame of composite structure includes fixed border and net
Frame, on fixed border periphery, setting step surface constitutes caulking groove, and rack is embedded in the caulking groove being made of step surface and is consolidated by bolt
It is fixed.
Beneficial effects of the present invention：The present invention can drive each water blocking blade synchronization rotary movement by independent first, from
And the guide functions of control water (flow) direction can be reached.By improve trash rack, blade is made it is movable, in certain model
It encloses interior rotatable；The direction that flow can thus be changed makes the flow of different directions more stably enter different location
Unit reduces hydraulic loss.Secondly, the present invention is coaxially arranged with the screen frame independently driven with each water blocking blade, passes through screen frame
It can realize and intercept floating material, prevent water plant, the sundries such as house refuse as flow enters inside pumping plant, ensures pump station engineering peace
The effect of row for the national games.
The present invention can be stopped due to the presence of screen frame when screen frame prevents the position between adjacent water blocking blade
Floating sundries between adjacent water blocking blade.It is thus possible to widen the spacing between adjacent water blocking blade as possible, reach drop
The purpose of low gear wiper blade quantity.I.e. the present invention is to be realized by screen frame, rather than keep off for realizing the function of floating sundries is intercepted
Wiper blade.
Screen frame in the present invention independently can drive and overturn, and so as to control the aperture of screen frame, control interception degree.
And drainage pore size can be changed by screen frame, to realize different degrees of interception effect, but existing water blocking blade construction
Drainage aperture can not be changed, to cannot achieve the control of different interception degree.
Description of the drawings：
Fig. 1 is the use state expanded schematic diagram of the present invention.
Fig. 2 is the part section structural representation of Fig. 1 vertical views.
Fig. 3 is the portions A enlarged structure schematic diagram in Fig. 2.
Fig. 4 is the unfolded state schematic diagram of Fig. 3.
Fig. 5 is the stereoscopic-state schematic diagram of Fig. 3.
Fig. 6 is the conjuncted unfolded state schematic diagrames of Fig. 2.
Figure label：1 is water inlet frame head plate, and 2 be shaft seat, shaft centered on 3, and 4 be water blocking blade, based on 5 in
Axle sleeve, 6 be screen frame, bottom bracket axle supplemented by 7, and 8 be mainboard drive shaft, and plate drive shaft supplemented by 9,10 be mainboard drive link, supplemented by 11
Plate drive link, 12 be main drive cylinder, and drive cylinder supplemented by 13,14 be water inlet frame side wall, axle sleeve is driven based on 15,16 are
Auxiliary drive axle sleeve.
Specific implementation mode：
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1：Important component one of of the trash rack as pump station engineering, is generally mounted to flume terminal pump station
Forebay water inlet plays and intercepts floating material, prevents water plant, the sundries such as house refuse as flow enters inside pumping plant, ensures
The effect of pump station engineering safe operation, but since its is simple in structure, its importance is often ignored in pump station engineering design process.
As shown in Figure 1, the present invention, which proposes, counts a kind of trash rack changing direction of flow by adjusting grizzly bar, in conjunction with water pump unit commitment,
Different directions of flow is adjusted, to increase low flow velocity area flow velocity, achievees the purpose that sand surfing subtracts silt.
The concrete structure of the trash rack of direction of flow is adjusted referring to shown in Fig. 2-Fig. 5, the water inlet in intake tunnel position
Frame and multiple parallel water blocking blades 4 in water inlet frame, in Fig. 2, in water inlet frame head plate 1 and bottom plate
On be uniformly arranged shaft seat 2, central rotating shaft 3 is vertically installed in upper and lower corresponding shaft seat 2.
As shown in Fig. 3, Fig. 4 and Fig. 5, each water blocking blade 4 is provided centrally with main bottom bracket axle 5, each water blocking blade 4
Main bottom bracket axle 5 is sleeved on corresponding central rotating shaft 3.While screen frame 6 being installed with coordinating on each central rotating shaft 3, in screen frame 6
The top and bottom of the heart are respectively arranged with auxiliary bottom bracket axle 7, and the upper and lower auxiliary bottom bracket axle 7 of each screen frame 6 is set in the center
The upper and lower end of shaft 3, screen frame 6 can be overlapped and be unfolded with corresponding water blocking blade 4.
It is divided into not on the upside of 4 edge of water blocking blade and is provided with mainboard drive shaft 8 and auxiliary plate drive shaft on the upside of 6 edge of screen frame
9, each mainboard drive shaft 8 and auxiliary plate drive shaft 9 are respectively installed with main drive axle sleeve 15 and auxiliary drive axle sleeve 16, all or part of main drive axis
Set 15 is connected as one by mainboard drive link 10, and all or part of auxiliary drive axle sleeve 16 is connected as by auxiliary plate drive link 11
One, the end of the mainboard drive link 10 connect with the telescopic rod of main drive cylinder 12, main drive cylinder 12 be fixed on into
The end of mouth of a river frame side wall 14, the auxiliary plate drive link 11 is connect with the telescopic rod of auxiliary drive cylinder 13, auxiliary drive cylinder
13 are fixed on water inlet frame side wall 14.
So as to form a kind of trash rack of composite construction, and each water blocking blade 4 is independently driven overturning respectively, can be with
Each water blocking blade 4 is driven to synchronize rotary movement by independent, thus, it is possible to reach the guide functions of control water (flow) direction.Pass through
Improve trash rack, blade is made it is movable, it is rotatable in a certain range；The direction of flow can thus be changed,
So that the flow of different directions is more stably entered the unit of different location, reduces hydraulic loss.
The present invention is coaxially arranged with the screen frame 6 independently driven with each water blocking blade 4, and each screen frame 6 also can independently drive
And overturning.It can be realized by screen frame 6 and intercept floating material, prevent the sundries such as water plant, house refuse as flow enters in pumping plant
Portion, the effect for ensureing pump station engineering safe operation.When screen frame 6 prevents the position between adjacent water blocking blade 4, can hinder
Floating sundries of the gear between adjacent water blocking blade 4.It is thus possible to widen the spacing between adjacent water blocking blade 4 as possible, reach
To the purpose for reducing by 4 quantity of water blocking blade.I.e. the present invention is realized for realizing the function of intercepting floating sundries by screen frame 6,
Rather than water blocking blade 4.
Fig. 3 and Fig. 4 can be seen that screen frame 6 and be divided into left and right two parts, left and right two parts by the auxiliary bottom bracket axle 7 at its center
Screen frame 6 respectively with auxiliary bottom bracket axle 7 is tangent welds together.
Embodiment 2：On the basis of embodiment 1, screen frame 6 is designed as composite structure；The screen frame 6 of composite structure includes fixing
Frame and rack, on fixed border periphery, setting step surface constitutes caulking groove, and rack is embedded in the caulking groove being made of step surface and leads to
Bolt is crossed to fix.Screen frame 6 independently can drive and overturn, and so as to control the aperture of screen frame 6, control interception degree.And
Can change drainage pore size by screen frame 6, to realize different degrees of interception effect, but existing 4 structure of water blocking blade without
Method changes drainage aperture, to cannot achieve the control of different interception degree.
Claims (3)
1. the trash rack of direction of flow is adjusted a kind of, including is fixed on the water inlet frame of intake tunnel position and is mounted on water inlet
Multiple parallel water blocking blades in mouth frame, it is characterized in that：It is uniformly arranged shaft in water inlet frame head plate and bottom plate
Seat is vertically equipped with central rotating shaft in corresponding shaft seat up and down；Each water blocking blade is provided centrally with main bottom bracket axle, each
The main bottom bracket axle of water blocking blade is sleeved on corresponding central rotating shaft；Screen frame is installed with cooperation on each central rotating shaft simultaneously,
The top and bottom at screen frame center are respectively arranged with auxiliary bottom bracket axle, and the upper and lower auxiliary bottom bracket axle of each screen frame is set in described
The upper and lower end of central rotating shaft, screen frame can be overlapped and be unfolded with corresponding water blocking blade；It is divided into not on the upside of water blocking blade edge
Screen frame edge upside is provided with mainboard drive shaft and auxiliary plate drive shaft, each mainboard drive shaft and auxiliary plate drive shaft are respectively installed with
Main drive axle sleeve and auxiliary drive axle sleeve, all or part of main drive axle sleeve are connected as one by mainboard drive link, all or part of auxiliary
It drives axle sleeve to be connected as one by auxiliary plate drive link, the end of the mainboard drive link connects with the telescopic rod of main drive cylinder
It connects, main drive cylinder is fixed on water inlet frame side wall, the telescopic rod of the end and auxiliary drive cylinder of the auxiliary plate drive link
Connection, auxiliary drive cylinder are fixed on water inlet frame side wall.
2. the trash rack according to claim 1 for adjusting direction of flow, it is characterized in that：The screen frame by its center it is auxiliary in
Axle sleeve is divided into left and right two parts, left and right two parts screen frame respectively with auxiliary bottom bracket axle is tangent welds together.
3. the trash rack according to claim 1 for adjusting direction of flow, it is characterized in that：The screen frame is integrated frame knot
Structure, or be composite structure；The screen frame of composite structure includes fixed border and rack, and step surface structure is arranged on fixed border periphery
At caulking groove, in the caulking groove that rack insertion is made of step surface and it is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465681.7A CN108589659B (en) | 2018-05-16 | 2018-05-16 | Trash rack capable of adjusting incoming flow direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465681.7A CN108589659B (en) | 2018-05-16 | 2018-05-16 | Trash rack capable of adjusting incoming flow direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108589659A true CN108589659A (en) | 2018-09-28 |
| CN108589659B CN108589659B (en) | 2020-02-11 |
Family
ID=63631291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465681.7A Active CN108589659B (en) | 2018-05-16 | 2018-05-16 | Trash rack capable of adjusting incoming flow direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108589659B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965531A (en) * | 2019-12-03 | 2020-04-07 | 华北水利水电大学 | Multi-layer guide rail type multifunctional composite trash rack |
| CN111771817A (en) * | 2020-08-07 | 2020-10-16 | 湖南富高农业科技开发有限公司 | Tadpole seedling collection device |
| CN115341516A (en) * | 2022-07-19 | 2022-11-15 | 中交一公局集团有限公司 | Convenient-to-clean trash holding structure for water taking pump station and cleaning method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02300408A (en) * | 1989-05-16 | 1990-12-12 | Mitsubishi Heavy Ind Ltd | Device for preventing flowing-in of jellyfish into inlet channel |
| CN200999340Y (en) * | 2007-01-05 | 2008-01-02 | 奕永庆 | Pumping station herringbone trash baffle |
| CN201362841Y (en) * | 2009-03-02 | 2009-12-16 | 张文 | Three-dimensional trash rack |
| CN102650124A (en) * | 2012-05-14 | 2012-08-29 | 扬州楚门机电设备制造有限公司 | Movable trash rack |
| CN205000302U (en) * | 2015-07-27 | 2016-01-27 | 苏州多固工程设计有限公司 | Pump station trash rack flashboard that blocks water |
-
2018
- 2018-05-16 CN CN201810465681.7A patent/CN108589659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02300408A (en) * | 1989-05-16 | 1990-12-12 | Mitsubishi Heavy Ind Ltd | Device for preventing flowing-in of jellyfish into inlet channel |
| CN200999340Y (en) * | 2007-01-05 | 2008-01-02 | 奕永庆 | Pumping station herringbone trash baffle |
| CN201362841Y (en) * | 2009-03-02 | 2009-12-16 | 张文 | Three-dimensional trash rack |
| CN102650124A (en) * | 2012-05-14 | 2012-08-29 | 扬州楚门机电设备制造有限公司 | Movable trash rack |
| CN205000302U (en) * | 2015-07-27 | 2016-01-27 | 苏州多固工程设计有限公司 | Pump station trash rack flashboard that blocks water |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965531A (en) * | 2019-12-03 | 2020-04-07 | 华北水利水电大学 | Multi-layer guide rail type multifunctional composite trash rack |
| CN111771817A (en) * | 2020-08-07 | 2020-10-16 | 湖南富高农业科技开发有限公司 | Tadpole seedling collection device |
| CN115341516A (en) * | 2022-07-19 | 2022-11-15 | 中交一公局集团有限公司 | Convenient-to-clean trash holding structure for water taking pump station and cleaning method thereof |
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| Publication number | Publication date |
|---|---|
| CN108589659B (en) | 2020-02-11 |
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