CN2460552Y - Ventilation-type down ventilation guide board - Google Patents
Ventilation-type down ventilation guide board Download PDFInfo
- Publication number
- CN2460552Y CN2460552Y CN 00261498 CN00261498U CN2460552Y CN 2460552 Y CN2460552 Y CN 2460552Y CN 00261498 CN00261498 CN 00261498 CN 00261498 U CN00261498 U CN 00261498U CN 2460552 Y CN2460552 Y CN 2460552Y
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- snow
- ventilation
- wind
- guide plate
- utility
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- Expired - Fee Related
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model relates to a ventilation-type down ventilation guide board. A cross beam, an inclined strut and a vertical strut are arranged on a pillar, and a ventilation-type guide board is arranged on the cross beam, the inclined strut and the vertical strut. The ventilation-type guide board is a hardware mesh, and the ventilation degree is 20 % to 40%. The utility model causes a snow-driving wind to get across a road through the ventilation-type guide board and blows away snow cover, and the utility model plays preventive and therapeutic role for serious blocked sections. So the cost of the utility model is saved, and the service life of the utility model is increased.
Description
The utility model relates to a kind of wind and snow Prevention Technique, especially a kind of wind penetration type of lower wind-guiding guide plate.
The wind and snow evil distributes extensively in the world, and harm is serious.Wind has the effect of redistributing to natural accumulated snow, and the accumulated snow that snow-driving wind forms is piled up 3-10 times that the degree of depth is generally the nature snow depth.The mountain area snow-driving wind not only often causes snowslide, and distributes extensively, serious harm communications and transportation, industrial and mineral and farming and animal husbandry production occur frequently in mountain area and some flat-bottomed land snow-driving winds.
In the snow-driving wind area, preventing snow injury to greatest extent is one of problem of overriding concern during the road choosing is established.Whether the choosing of highway, railway is established reasonable, to the cost of engineering and operation influence greatly.The prophylactico-therapeutic measures that the road that the snow-driving wind area has been accomplished is taked is generally the comprehensive control measures system of " leading ", " resistance ", " changing ", " removing ".Wherein the control measures of " leading " is to adopt wind-guiding measure under the closed guide plate at home and abroad, and its method is to set the airtight guide plate of wind-guiding at the road windward side, and this guide plate is made by plank; This method can increase the flow velocity of snow-driving wind, pressure can significantly be reduced along the direction that flows, thereby prevent that onionskin atmosphere from separating.Under the closed wind-guiding the flow field character that has changed original path is set, become and a kind ofly be bordering on the dull and stereotyped structure of streaming, thereby five speed districts that reconfigure before and after it, occurred.The mechanism why it can eliminate the road snow injury is: the air-flow of going out the guide plate end opening, pressure before the plate can be converted to kinetic energy, suppress the reach of cornice or snow tongue, destroyed the vortex deceleration area that is on the road surface, in the certain width scope of end opening rear, form wind speed simultaneously and obviously increase band.The a large amount of snow grains that so not only itself carried were carried the road surface, also the snow grain of guide plate rear middle part recirculating zone sedimentation were taken away simultaneously, thereby had been guaranteed the unimpeded of road.Though wind-guiding is very effective under this closed guide plate, need the guide plate material many.
The control measures of " resistance " is (1) snow hurdle, and snow hurdle is the commonplace a kind of snow shield of domestic and international application.The factor that influences its protection effect mainly contains: the ventilative degree of snow fence, battened construction, grid height, landform etc.Snow hurdle is suitable to be arranged under Plain and the leeward mild landform.Can consider to adopt many rows snow fence of forming by the ventilative degree of difference according to China's national situation in the highway section that the snow-driving wind conveying capacity is big, if carry out portable snow fence better effects if.(2) snow-protection plantation is built the snow defence forest belt and is decided on conditions such as local climate, soil.The protection effect of snow-protection plantation and forest belt structure etc. have substantial connection.Snow-protection plantation should be selected for use tight up and down, the shrub mixed forest that makes snow-driving wind be difficult for passing through.General in the windward side of snow-protection plantation, air-flow just begins to underspeed from the high place of forest belt 8-10 times woods, and the woods limit wind speed of windward side can reduce to 30% of wind speed when not influenced by the forest belt, even zone of silence occurs.In the high scope of 40 times of woodss of leeward side, all there is abated effect in the forest belt to air-flow, but in less than 10 times of high scopes of woods, the forest belt is the most obvious to the decelerating effect of snow-driving wind, avenge the grain bulk deposition in forest belt and the rapid weakened region of both sides, forest belt wind speed, thereby reach the purpose that road does not have blowing snow.
The control measures that " changes " mainly contains and improves the roadbed height, and design open type roadbed is repaiied kind side slope, excavation storage snow pack etc.It is by near the topographic section change road, thereby changes former snow-driving wind flow field structure, reaches the purpose of administering snow injury.The control measures that " removes ".At present, " removing " the snow measure in the world has: snow removal with machine comprises snow grader, rotary snow plough, V type snow plough, snowplow etc.; The heat snow removing comprises various snow melt electrical equipment, the heating of road pipe laying, infrared radiation; The chemistry snow removing is as rock salt, urea etc., and the easy contaminated environment of this method is now seldom used; Fluid snow removing as utilize the underground water spray of temperature about 10 ℃ molten etc.In above four kinds of measures, use maximum snow removal with machine that is still.Low in the serious snow-driving wind highway section snow removal with machine efficient of holding up traffic, and slower because of driving snow sky poor visibility snow removal with machine speed, even easily cause machine to turn over people's accident of dying.So to serious and medium hold up traffic the highway section or away from settlement, maintenance gang house place based on above-mentioned engineering control.The then suitable mechanical snow removing of highway section of slightly holding up traffic.
The purpose of this utility model is to cross highway and blow away accumulated snow by ventilative formula guide plate acceleration snow-driving wind in order to provide a kind of, especially good preventive and therapeutic effect is played in the highway section of seriously holding up traffic, and cost-saved, the wind penetration type of lower wind-guiding guide plate that increases the service life.
The purpose of this utility model can realize by following measure:
A kind of wind penetration type of lower wind-guiding guide plate is to be provided with crossbeam, diagonal brace and perpendicular support on column, is provided with ventilative formula guide plate in crossbeam, diagonal brace and perpendicular support; Described ventilative formula guide plate is a gauze wire cloth, and its ventilative degree is 20-40%.
The utility model has following advantage compared to existing technology:
1, the utility model is established wind penetration type of lower wind-guiding guide plate at the road windward side, can reduce by the caused portion of energy loss of vortex disturbance by the ventilative amount that increases guide plate; When the ventilative degree of guide plate reached a certain amount of, it was led the snow ability and increases, and blew and scraped width than wind-guiding increase by 20% under the same specification closed guide plate.
2, the velocity field of wind-guiding is as can be known under the closed that condition such as the utility model contrast landform is extremely close, because the part air-flow can be by ventilative formula guide plate, not only middle part backflow deceleration area in guide plate rear reduces to some extent, make the snow grain of sedimentation less, wind-guiding is all much smaller under the scope of the vortex deceleration area in its place ahead and the strength ratio closed simultaneously, thereby significantly reduced its place ahead accumulated snow height, help tackling more air communication and cross down wind-guiding, not only a large amount of snow grains were carried the road surface, and blow and scrape 2 meters of the corresponding increases of width.
3, the utility model had reduced cost because guide plate adopts ventilative formula guide plate so both saved lot of materials than closed guide plate, increased the service life again to be convenient to promote.
Concrete structure of the present utility model is provided by the following drawings:
Fig. 1 is a structural representation of the present utility model
1-column, 2-crossbeam, 3-diagonal brace 4-perpendicular support 5-ventilative formula guide plate
The utility model is also incited somebody to action in conjunction with the accompanying drawings, and embodiment is described in further detail:
With reference to Fig. 1, a kind of wind penetration type of lower wind-guiding guide plate is to be provided with crossbeam 2, diagonal brace 3 and perpendicular support 4 on column 1, is provided with ventilative formula guide plate 5 in crossbeam 2, diagonal brace 3 and perpendicular support 4; Described ventilative formula guide plate 5 is a gauze wire cloth, and its ventilative degree is 20-40%.Wind penetration type of lower wind-guiding guide plate and ground can be-60 ℃-60 ℃ angle in addition.
Claims (1)
1, a kind of wind penetration type of lower wind-guiding guide plate is characterized in that being provided with crossbeam (2), diagonal brace (3) and perpendicular support (4) on column (1), be provided with ventilative formula guide plate (5) in crossbeam (2), diagonal brace (3) and perpendicular support (4); Described ventilative formula guide plate (5) is a gauze wire cloth, and its ventilative degree is 20-40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00261498 CN2460552Y (en) | 2000-12-29 | 2000-12-29 | Ventilation-type down ventilation guide board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00261498 CN2460552Y (en) | 2000-12-29 | 2000-12-29 | Ventilation-type down ventilation guide board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2460552Y true CN2460552Y (en) | 2001-11-21 |
Family
ID=33616999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00261498 Expired - Fee Related CN2460552Y (en) | 2000-12-29 | 2000-12-29 | Ventilation-type down ventilation guide board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2460552Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290791A (en) * | 2013-05-13 | 2013-09-11 | 新疆交通科学研究院 | Circular-arc wind deflector |
| CN106012710A (en) * | 2016-08-03 | 2016-10-12 | 中国科学院寒区旱区环境与工程研究所 | Fence structure, wind-brown sand treatment facility and roadbed system |
| CN109024326A (en) * | 2018-08-27 | 2018-12-18 | 山西尚风科技股份有限公司 | A kind of road roadlock sand resistance snow device |
| CN110318347A (en) * | 2019-07-19 | 2019-10-11 | 中铁西北科学研究院有限公司 | A kind of waveform combined type snow wall |
| CN111794138A (en) * | 2020-06-16 | 2020-10-20 | 中铁西北科学研究院有限公司 | Two-wing sand blocking wall |
| CN113931094A (en) * | 2021-11-09 | 2022-01-14 | 石河子大学 | Self-adaptive elastic-plastic deflection reed bundle type sand barrier |
-
2000
- 2000-12-29 CN CN 00261498 patent/CN2460552Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290791A (en) * | 2013-05-13 | 2013-09-11 | 新疆交通科学研究院 | Circular-arc wind deflector |
| CN103290791B (en) * | 2013-05-13 | 2016-05-11 | 新疆交通科学研究院 | Circular arc air ducting |
| CN106012710A (en) * | 2016-08-03 | 2016-10-12 | 中国科学院寒区旱区环境与工程研究所 | Fence structure, wind-brown sand treatment facility and roadbed system |
| CN106012710B (en) * | 2016-08-03 | 2018-04-10 | 中国科学院寒区旱区环境与工程研究所 | Fence structure, dust storm treatment facility and roadbed system |
| CN109024326A (en) * | 2018-08-27 | 2018-12-18 | 山西尚风科技股份有限公司 | A kind of road roadlock sand resistance snow device |
| CN110318347A (en) * | 2019-07-19 | 2019-10-11 | 中铁西北科学研究院有限公司 | A kind of waveform combined type snow wall |
| CN110318347B (en) * | 2019-07-19 | 2020-02-18 | 中铁西北科学研究院有限公司 | Wave combination formula snow wall |
| CN111794138A (en) * | 2020-06-16 | 2020-10-20 | 中铁西北科学研究院有限公司 | Two-wing sand blocking wall |
| CN113931094A (en) * | 2021-11-09 | 2022-01-14 | 石河子大学 | Self-adaptive elastic-plastic deflection reed bundle type sand barrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |