CN110374062A - A kind of compound bottom gate with sand discharge function - Google Patents
A kind of compound bottom gate with sand discharge function Download PDFInfo
- Publication number
- CN110374062A CN110374062A CN201910489473.5A CN201910489473A CN110374062A CN 110374062 A CN110374062 A CN 110374062A CN 201910489473 A CN201910489473 A CN 201910489473A CN 110374062 A CN110374062 A CN 110374062A
- Authority
- CN
- China
- Prior art keywords
- bottom gate
- compound
- sparge pipe
- pipelined channel
- paddle
- 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
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- 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
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
Abstract
A kind of compound bottom gate with sand discharge function of the present invention, it includes bottom gate, its main feature is that: it further include compound paddle, pipelined channel is set on the bottom gate, the compound paddle is placed at the pipelined channel of bottom gate setting, in bottom gate, vertical displacement can be generated between compound paddle and bottom gate.The course of work is: when opening bottom gate, first open compound paddle, upper sparge pipe is sprayed water towards upstream, lower sparge pipe is sprayed water towards downstream, the mud mixture that pipelined channel is discharged is discharged into away from the farther downstream of bottom gate, as the relay sand discharge of upper sparge pipe and lower sparge pipe acts on, the shoal materials of bottom gate front forms hole, reservoir area water will be with compound paddle connection, silt before bottom gate is quickly discharged downstream with water flow, after shoal materials before bottom gate all excludes, silt adhesive force is zero, bottom gate is opened at this time, reservoir sedimentation silt can be excluded all.
Description
Technical field
The invention belongs to dam fields, are related to the sand discharge of bottom gate, are a kind of compound bottom outlet locks with sand discharge function
Door.
Background technique
Reservoir sediment accumulation is currently an insurmountable problem, and some reservoirs use bottom gate sluicing sand discharge, when
Sediment siltation to a certain extent when, since the adhesion strength that sediment siltation generates can make Qi Menli seriously overload, and then make gate not
It can open and cause the accident in time.Itself designing there are also reservoir has storage capacity for sedimentation, gradually with storage capacity for sedimentation
Full to close, the economic benefit of reservoir declines to a great extent.
Application No. is the 2011101561419, application for a patent for invention of entitled double guideway inclined-plane steel gate systems,
The double guide rail clinoplain steel-slag sand structures for disclosing a kind of parallelogram make plane by double guide rails of parallelogram
Steel-slag sand has certain tilt angle, to reduce the cunning of conventional planar steel-slag sand its panel and shoal materials in opening process
Move friction.Although this plane steel gate structure, in unlatching, the disengaging of the panel and shoal materials of clinoplain steel-slag sand is point
Absolve from form, and therefore reduce clinoplain steel-slag sand in unlatching with the frictional force of shoal materials, meanwhile, inclination is flat
The water pressure that face steel-slag sand is subject to further reduces the Qi Menli of gate in the component of vertical direction.But when with the passing of time depositing
Silt thickness when being more than bottom gate, the adhesion strength generated is excessive, when double guide rail clinoplain steel-slag sands are opened, needs gram
The adhesion strength for taking shoal materials is separated with shoal materials and is opened, although the disclosed structure of this application reduces clinoplain steel
Gate in unlatching with the frictional force of shoal materials, it is also difficult to when bottom gate being overcome to open shoal materials generate adhesion strength,
Equally existing influences normally-open problem because sediment siltation causes headstock gear to overload before gate.And since this applies for that institute is public
The tilt angle of the plane steel gate of opening structure is less than or equal to 10 °, and the water pressure and sediment siltation relative to dam bottom generate
Adhesion strength compound action, the degree for power reduction that opens of starting gate is limited, and can only say portion to a certain extent
Divide and solves the problems, such as that gate caused by sediment siltation cannot be opened in time.Also, when the thickness of shoal materials is more than bottom outlet lock
Men Shi, even if opening bottom gate, shoal materials is located at the water surface hereinafter, silt also can not normally be discharged.
Summary of the invention
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provide a kind of answering with sand discharge function
Formula bottom gate.
The technical solution that the present invention solves technical problem is that a kind of compound bottom gate with sand discharge function, it includes
Pipelined channel, the compound small lock is arranged it is characterized in that: further including compound paddle in bottom gate on the bottom gate
Door is placed at the pipelined channel of bottom gate setting, in bottom gate, can generate between compound paddle and bottom gate vertical
Straight displacement.
The pipelined channel being arranged on the bottom gate is obliquely installed from high to low by upstream to downstream.
At the pipelined channel of bottom gate setting, the upper sparge pipe of the downstream side of compound paddle setting, upper sparge pipe
The upper wall of pipelined channel, water outlet are fixed on towards upstream.
At the pipelined channel of bottom gate setting, sparge pipe, lower sparge pipe under the setting of the downstream side of compound paddle
The side wall of pipelined channel, water outlet are fixed on towards downstream.
If stem duplex paddle can be set on the bottom gate, for quickly excluding the siltation before bottom gate
Silt.
The course of work of the invention is: usually, compound bottom gate of the invention is in close state, compound paddle
It is in close state, when the thickness of shoal materials is higher than bottom gate, since gate pressure is big, bottom gate be will be unable to out
It opens, meanwhile, in the pipelined channel of bottom gate setting, the upstream side of compound paddle also deposited silt.It needs to open bottom
When gate hole, first compound paddle is opened in lifting upwards, since compound paddle area is slightly larger than pipelined channel, compound paddle
And the contact area of shoal materials is identical as pipelined channel sectional area, and maximum, which opens power, to calculate determination by design, thus
Headstock gear is set, and after opening compound paddle, the upper sparge pipe being arranged at compound bottom gate pipelined channel of the invention starts
It sprays water towards upstream, the water of ejection washes silt open, and silt and water are discharged downstream along pipelined channel simultaneously；Together
When, the lower sparge pipe being arranged at compound bottom gate pipelined channel of the invention is sprayed water initially towards downstream, and pipelined channel is arranged
Mud mixture out is discharged into away from the farther downstream of bottom gate, accelerates the excretion of shoal materials.As upper sparge pipe sprays water
Stream constantly wash away and lower sparge pipe sprays the relay sand discharge effect of water flow, the shoal materials of bottom gate front will form sky
Cave, as hole constantly increases, the silt before bottom gate under effect of water pressure, reservoir area water will with compound paddle connection,
Upper sparge pipe and lower sparge pipe are closed at this time, and the silt before bottom gate is quickly discharged downstream with water flow, before bottom gate
After shoal materials all excludes, silt adhesive force is zero, opens bottom gate at this time, and reservoir sedimentation silt can be excluded all.Root
According to reservoir regimen, the difference of shoal materials situation, shoal materials can be excluded by stages.Since bottom gate sluicing sand discharge can generate
High-speed jet problem can be controlled by the unlatching quantity and open amount for controlling bottom gate, produce reservoir upstream portion not
Raw sediment siltation.
The beneficial effects of the present invention are: its compound paddle and pipelined channel by setting, can be calculated by design
It determines the maximum Qi Menli of compound paddle, so that headstock gear be arranged, prevents the headstock gear overload of compound paddle, influence normal
The case where unlatching, occurs；By the way that upper sparge pipe and lower sparge pipe is arranged, it is capable of forming the effect of relay sand discharge, before making bottom gate
Shoal materials forms hole, reservoir area water and compound paddle connection, and the silt before bottom gate is quickly discharged downstream with water flow, produces
The beneficial effect that silt adhesive force is zero after shoal materials before having given birth to bottom gate all excludes, so that bottom gate be avoided to open
Door power seriously overloads, and then the problem of cause the accident gate from opening in time.It is simple with structure, open Men Li can
The characteristics of control, low in cost, easily operated, easy to maintain, significant effect.
Detailed description of the invention
Fig. 1 is the schematic front view of the compound bottom gate with sand discharge function of the invention；
Fig. 2 is the schematic cross-sectional view of the compound bottom gate with sand discharge function of the invention.
Diagram: 1 sluice gate body, 2 pressing plates, 3 packings, 4 bolts, 5 compound paddles, sparge pipe on 6,7 lower sparge pipes, 8
Control stick.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig. 1-Fig. 2, embodiment 1, a kind of compound bottom gate with sand discharge function of the present embodiment, it includes bottom outlet
Gate, the bottom gate include sluice gate body 1, pressing plate 2 and packing 3, and the pressure is respectively set in the two sides of the sluice gate body 1
Plate 2, pressing plate 2 are connected by bolt 4 and sluice gate body 1, and the packing 3 is arranged in the upstream side of sluice gate body 1, the outside of pressing plate 2
And it is connected.Further include compound paddle 5, pipelined channel, the bottom gate are set in 1 lower part of sluice gate body of the bottom gate
The pipelined channel of setting is obliquely installed from high to low by upstream to downstream, and the compound paddle 5 is placed in bottom gate setting
At pipelined channel, in bottom gate, control stick 8 is placed in bottom gate, the top of compound paddle 5, control stick 8 with it is compound small
Gate 5 is connected, and the upper end of control stick 8 and headstock gear are connected, and can pass through control stick 8 between compound paddle 5 and bottom gate
Generate vertical displacement.
At the pipelined channel of bottom gate setting, the upper sparge pipe 6 of the downstream side of compound paddle 5 setting, upper water spray
Pipe 6 is fixed on the upper wall of pipelined channel, water outlet towards upstream.
At the pipelined channel of bottom gate setting, sparge pipe 7, lower water spray under the setting of the downstream side of compound paddle 5
Pipe 7 is fixed on the side wall of pipelined channel, water outlet towards downstream.
The present embodiment is manufactured using the prior art.
The course of work of the present embodiment is: usually, the compound bottom gate of the present embodiment is in close state, compound small lock
Door 5 is also at closed state, and when the thickness of shoal materials is higher than bottom gate, since gate pressure is big, bottom gate is by nothing
Method is opened, meanwhile, in the pipelined channel of bottom gate setting, the upstream side of compound paddle 5 also deposited silt.It needs out
When opening bottom gate, first opening headstock gear, upward lifting control stick 8 open compound paddle 5, due to compound 5 area of paddle
Slightly larger than pipelined channel, the contact area of compound paddle 5 and shoal materials is identical as pipelined channel sectional area, maximum Qi Menli
It can be calculated and be determined by design, so that headstock gear is set, after opening compound paddle 5, the compound bottom gate of the present embodiment
The upper sparge pipe 6 being arranged at pipelined channel is sprayed water initially towards upstream, and the water of ejection washes silt open, silt and
Water is discharged downstream along pipelined channel simultaneously；Meanwhile the lower sparge pipe 7 being arranged at the compound bottom gate pipelined channel of the present embodiment
It sprays water initially towards downstream, the mud mixture that pipelined channel is discharged is discharged into away from the farther downstream of bottom gate, siltation is accelerated
The excretion of silt.With upper sparge pipe 6 spray water flow constantly wash away and lower sparge pipe 7 spray water flow relay sand discharge effect,
Shoal materials before bottom gate will form hole, and as hole constantly increases, the silt before bottom gate is in effect of water pressure
Under, reservoir area water will close at this time upper sparge pipe 6 and lower sparge pipe 7, the silt before bottom gate is with water flow with pipelined channel connection
It is quickly discharged downstream, after the shoal materials before bottom gate all excludes, silt adhesive force is zero, opens bottom outlet lock at this time
Door, reservoir sedimentation silt can be excluded all.
Embodiment 2, the present embodiment the present embodiment is substantially the same manner as Example 1, the difference is that, under bottom gate
Two compound paddles 5 are arranged in portion.
Claims (4)
1. a kind of compound bottom gate with sand discharge function, it includes bottom gate, it is characterized in that: further including compound small lock
Door, is arranged pipelined channel on the bottom gate, and the compound paddle is placed at the pipelined channel of bottom gate setting, bottom
In gate hole, vertical displacement can be generated between compound paddle and bottom gate.
2. as described in claim 1 with the compound bottom gate of sand discharge function, it is characterized in that: being arranged on the bottom gate
Pipelined channel be obliquely installed from high to low by upstream to downstream.
3. as described in claim 1 with the compound bottom gate of sand discharge function, it is characterized in that: in the stream of bottom gate setting
At aquaporin, above sparge pipe, upper sparge pipe are fixed on the upper wall of pipelined channel, water outlet to the setting of the downstream side of compound paddle
Towards upstream.
4. as described in claim 1 with the compound bottom gate of sand discharge function, it is characterized in that: in the stream of bottom gate setting
Sparge pipe, lower sparge pipe are fixed on the side wall of pipelined channel, water outlet at aquaporin, under the setting of the downstream side of compound paddle
Towards downstream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489473.5A CN110374062B (en) | 2019-06-06 | 2019-06-06 | Compound bottom hole gate with sand discharging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489473.5A CN110374062B (en) | 2019-06-06 | 2019-06-06 | Compound bottom hole gate with sand discharging function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110374062A true CN110374062A (en) | 2019-10-25 |
| CN110374062B CN110374062B (en) | 2021-05-25 |
Family
ID=68249853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910489473.5A Active CN110374062B (en) | 2019-06-06 | 2019-06-06 | Compound bottom hole gate with sand discharging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374062B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962539A (en) * | 2021-02-04 | 2021-06-15 | 四川大学 | Ecological hole that drains of formula of covering is added in floodgate bottom plate chisel groove |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57123315A (en) * | 1981-01-20 | 1982-07-31 | Mitsubishi Heavy Ind Ltd | Sand scouring gate |
| JP2002069984A (en) * | 2000-08-31 | 2002-03-08 | Nkk Corp | Water gate incorporating in sub gate |
| CN2575153Y (en) * | 2002-08-28 | 2003-09-24 | 倪锡才 | Shallow sea single pipe platform reinforced bulkhead |
| CN102322043A (en) * | 2011-06-10 | 2012-01-18 | 天津大学 | Double-guideway inclined-plane steel gate system |
| CN109826163A (en) * | 2019-03-11 | 2019-05-31 | 中国水利水电第十四工程局有限公司 | A kind of device and its silt-proof method that the underwater sand surfing of gate is anti-silting |
| CN209603092U (en) * | 2018-12-25 | 2019-11-08 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of dam sluice gate sand discharge apparatus |
-
2019
- 2019-06-06 CN CN201910489473.5A patent/CN110374062B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57123315A (en) * | 1981-01-20 | 1982-07-31 | Mitsubishi Heavy Ind Ltd | Sand scouring gate |
| JP2002069984A (en) * | 2000-08-31 | 2002-03-08 | Nkk Corp | Water gate incorporating in sub gate |
| CN2575153Y (en) * | 2002-08-28 | 2003-09-24 | 倪锡才 | Shallow sea single pipe platform reinforced bulkhead |
| CN102322043A (en) * | 2011-06-10 | 2012-01-18 | 天津大学 | Double-guideway inclined-plane steel gate system |
| CN209603092U (en) * | 2018-12-25 | 2019-11-08 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of dam sluice gate sand discharge apparatus |
| CN109826163A (en) * | 2019-03-11 | 2019-05-31 | 中国水利水电第十四工程局有限公司 | A kind of device and its silt-proof method that the underwater sand surfing of gate is anti-silting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962539A (en) * | 2021-02-04 | 2021-06-15 | 四川大学 | Ecological hole that drains of formula of covering is added in floodgate bottom plate chisel groove |
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| CN110374062B (en) | 2021-05-25 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210420 Address after: 132000 left door, 14th floor, unit 2, block a, Songhuajiang building, 10 Shenzhen street, Fengman District, Jilin City, Jilin Province Applicant after: Zhao Yongxian Applicant after: Zhao Xiaoxia Address before: Group 1, Baishan Power Plant Committee, Minghua street, Huadian City, Jilin Province Applicant before: Zhao Xiaoxia |
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