CN201817781U - Wind and sand shielding device - Google Patents
Wind and sand shielding device Download PDFInfo
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- CN201817781U CN201817781U CN 201020210886 CN201020210886U CN201817781U CN 201817781 U CN201817781 U CN 201817781U CN 201020210886 CN201020210886 CN 201020210886 CN 201020210886 U CN201020210886 U CN 201020210886U CN 201817781 U CN201817781 U CN 201817781U
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- sand
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Abstract
The utility model discloses a wind and sand shielding device for protecting wind and sand from influencing or damaging railway and other facilities, which comprises upright posts buried into the ground and windshield walls provided with through holes, wherein corrosion-resistant steel wire meshes are fixed on the upright posts; and windshield walls are fixed on the steel wire meshes. The windshield walls are formed by combining a plurality of windshield monomers, wherein each windshield monomer is in a rectangular two-sided interlayer structure comprising a windward side and a leeward side, wherein the thickness of a hollow interlayer is 5-15cm; at least one through hole is respectively arranged on the windward side and the leeward side of each windshield monomer; the hole on the windward side and the hole on the leeward side are not positioned on the same axial line; the diameter ratio of the hole on the windward side to the hole on the leeward side is 8:1-1:1; and the windward side is separated from the leeward side by pillars.
Description
Technical field
The utility model relates to a kind of for the high vertical sand barrier structure, particularly a kind ofly is used to protect dust storm to influence of facilities such as railway or the wind-proofing sand-blocking wall that destroys, belongs to the husky technical measures of resistance in the sand-prevention engineering field.The utility model by be embedded in ground column, its windbreak that is provided with through hole constitutes.
Background technology
Wind erosion is the basic form of expression of desert area wind-sand activity, and it has not only formed the surface configuration of desert area, and has brought serious threat for people's production and life.Carry the visibility that sand material has reduced atmosphere as wind, influencing communications and transportation, destroying plant and electric wire, wearing and tearing building and machine, deflation upper soll layer organic matter reduces soil nutrient elements etc.Because global warming and mankind's activity aggravation, increasing soil becomes open ground, thereby has aggravated the Desertification Process of arid and semi-arid lands.Desertification and sandstorm are the great environmental problem that influences the northern area of China, bring to resident's productive life of local and adjoining area to have a strong impact on.
In the face of the attack of dust storm, what people expected the earliest is the paces that stop to advance in the sand dune.The most ancient method is to build retaining sandy soil wall one in the strong place of hazards of sand storms, stops the reach of drift sand.Later stage, the sand control technology also obtained great advance along with deepening continuously that the motion to dust storm is familiar with.The sand-prevention engineering measure mainly contains to be fixed the sand and hinders husky measure, and existing high vertical sand barrier mainly contains geotechnical structure sand-protecting barrier, sleeper structure sand-protecting barrier, the synthetic sand-protecting barrier of geotechnique, plants shoots sand-protecting barrier, plant protection forest belt etc.The geotechnical structure sand-protecting barrier mainly contains and cuts sand furrow, wind-proofing sand-blocking wall etc., and they substantially all are stuffy sand-protecting barriers.When taking husky air-flow through sand-protecting barrier, before barrier, be forced to lifting, sharply descend again after crossing sand-protecting barrier, so just before and after sand-protecting barrier, produced strong vortex, consumed wind energy, weakened air-flow and taken husky ability, so in the accumulation of the sand-protecting barrier front and back formation grains of sand; But its shortcoming is: construction is comparatively complicated, and it is general to hinder husky effect, and this sand-protecting barrier is also more buried simultaneously.The sleeper sand-protecting barrier mainly is to utilize discarded sleeper, directly vertically buries sleeper underground or concrete pedestal is set earlier and insert a kind of high vertical sand barrier that sleeper hinders sand again; This sand-protecting barrier is that the sleeper of discarding utilizes again, but limited because of raw material, can not large-scale popularization use, and sleeper migration in time is perishable simultaneously, is not suitable for long-term use.The geosynthetics sand-protecting barrier is a kind of novel sand-protecting barrier, and it is simple in structure, and speed of application is fast, but the ultra-violet radiation resisting ability is relatively poor, and is fragile.Plants shoots structure sand-protecting barrier mainly contains branch fence, reed fence etc., and their crackies need in time to repair, and simultaneously in the comparatively frequent area of sand damage, living resources such as vegetation comparatively lack, and certain region limitation is arranged.The effect that changes local ecological environment can also be played in the plant protection forest belt in resistance sand, be a kind of permanent scheme reliably, but it requires comparatively harshness to natural environment; So regional relatively preferably at natural environment, suitable this kind method that adopts.At the problems referred to above, we have proposed a kind of half new and effective flexible wind-proofing sand-blocking wall, and it is not only simple in structure, and speed of application is fast, and application life is also longer, the application of suitable different regions sand-prevention engineering.
Chinese patent 200710050818.4 disclosed railway wind-proof sand-guiding walls, apart from the ground at rail 2m place the steel column is set by the side of facining the wind at railway bed, one side of facining the wind at column is the steel verge board fixedly, verge board by upper and lower two parts and be mutually 135 the degree angles steel plates be welded, verge board is to the side projection of facining the wind, the distance on verge board lower edge and ground is 2/5 of a body of wall height, and the upper edge is consistent with the train overhead height, and the width ratio of verge board upper and lower part is 1: 1.Though this patent can play the effect of the sand prevention of keeping out the wind to a certain extent, can not avoid sandstone to bury railway.
China's utility model patent 01213319.1 disclosed a kind of device of checking winds and fixing drifting sand is not of uniform size by having, arrange all kinds of sheet materials of orderly circular hole, bracing frame and set bolt make up, and the shape of the body of wall one by one thing that is built into, by n such wall shape thing, equally distribute by the agricultural protection forest net, cultivate shelter-forest therebetween, be combined into comprehensive protection system with interting.This combined device of checking winds and fixing drifting sand, the deficiency that exists aforementioned patent to exist equally.
China's utility model patent 200720101199.2 discloses a kind of windbreak grid wall, comprises framework, parallelly in framework is provided with at least two curved surface screens, has gravity vent on the curved surface screen.The curved surface screen is bent into C shape, S shape, Ω shape.The direction of its mean camber can be for also replacing reversed arrangement in the same way.The wind that is in turbulence state with heading on is divided into the air-flow of a plurality of different angles and makes its phase mutual interference, the power and the energy of the wind comes from have so just been made full use of, himself Turbulent Scales and blast are reduced, wind speed reduces, thereby form the slack water area of a low wind speed at the leeward side of hoarding, avoided atmospheric circulation the interference in the hoarding leeward side certain area coverage.
The deficiency that aforementioned two utility model patents exist aforementioned 200710050818.4 patents to exist equally.
Summary of the invention
The utility model provides a kind of wind-proofing sand-blocking device that overcomes the prior art deficiency.
The utility model wind-proofing sand-blocking device, by be embedded in ground column, its windbreak that is provided with through hole constitutes, and is fixed with the anti-corrosion gauze wire cloth on the column wherein, is fixed with windbreak on gauze wire cloth.
In the wind-proofing sand-blocking device of the present utility model, windbreak is made of a plurality of combination of monomers of keeping out the wind, the monomer that keeps out the wind wherein is the two-sided sandwich that is made of windward side and leeward side of rectangle, wherein hollow sandwich thickness is 5～15cm, keep out the wind on the windward side of monomer and the leeward side each respectively symmetry offer at least one through hole, and hole on the windward side of monomer and the hole on the leeward side be not on same axis, the diameter ratio in hole is 8: 1～1: 1 on the diameter in the hole on the windward side and the leeward side, separates with pillar between windward side and leeward side.
Among the embodiment of wind-proofing sand-blocking device of the present utility model, the external surface of the windward side of its monomer that keeps out the wind is provided with outside protrusion.
Among the embodiment of wind-proofing sand-blocking device of the present utility model, the through hole that level offers 4 equal diameters and arranges symmetrically on the windward side of its monomer that keeps out the wind, offer 4 isodiametric through holes on the leeward side, hole on the leeward side and the span on the windward side are arranged, and be 135 ℃ of angles between the axis in the hole on the leeward side and horizontal plane, the diameter ratio in hole is 4: 1 on the diameter in the hole on the windward side and the leeward side.
Among the embodiment of wind-proofing sand-blocking device of the present utility model, the span of offering on hole of offering on its monomer windward side of keeping out the wind and the leeward side is arranged, and opposite position offers the screw hole that is used for fixing on windward side and leeward side.
The monomer that keeps out the wind of wind-proofing sand-blocking device of the present utility model can adopt multiple material preparation, as adopting cement material, or adopts macromolecular material such as regenerated plastics.The preferred forms that the utility model is recommended is to adopt fired ceramsite material to manufacture.
Among the embodiment of wind-proofing sand-blocking device of the present utility model, the bottom leeward side of its monomer that keeps out the wind down and to be provided with between ground highly be not offer porose sandboard on its of 20cm～40cm.
The leeward side of wind-proofing sand-blocking device of the present utility model down and to be provided with between ground highly be not offer porose sandboard on its of 30cm, this sandboard can be to be separately set in the bottom to keep out the wind under the monomer, also can manufacture the extension for the monomer brick body leeward side part of keeping out the wind of bottom.And this sandboard can adopt equally through the refining ceramsite material manufacture.
Wind-proofing sand-blocking device of the present utility model is a kind of ventilative high vertical sand barrier of flexibility, its Stability Analysis of Structures, and employed member can be realized industrialization production, dustproof effect is good, easy to maintenance during use, has following advantage:
1, production manufacturing and loading and unloading transportation are all very convenient, and assembly is installed simple and practical.
2, wind-proofing sand-blocking device of the present utility model in use, when taking husky air-flow through the wind-proofing sand-blocking wall, certain deformation can take place because of stressed in the gauze wire cloth at wind-proofing sand-blocking wall back, clears up the part wind energy with this, has lowered the active force of wind to the monomer that keeps out the wind.
3, the leeward side of the monomer that keeps out the wind of Xuan Guaing has steam vent, can effectively prevent the negative pressure problem of wind-proofing sand-blocking wall leeward side, and this is the ubiquitous deficiency of prior art.Simultaneously this structure also can make wind act on to keep out the wind monocrystal and column power to reduce to a certain extent.
4, the utility model can reduce the husky ability of taking of air-flow greatly.This is because be located at the sectional area that the space of the intermediate course of windward side and leeward side is far longer than air inlet, this just makes that entering the husky air velocity of taking of sand-protecting barrier interlayer reduces rapidly, the grains of sand precipitate gradually, and discharge from the bottom of Haydite bricks hollow, and the sand amount of carrying through the hole of leeward side is extremely low, basically can not influence the equipment that is positioned at leeward side that makes,, be affected as railway line etc.When using the utility model, suitable at set intervals sand-protecting barrier is safeguarded and cleared up, just can guarantee that the long-term stability of sand-protecting barrier is moved.
6, employed compared to existing technology windbreak material when the monomer that keeps out the wind of the present utility model adopts the ceramic material of fired moulding, can make windbreak that arranged longer application life, and this also is the advantage that prior art did not have.
7, because the surface, windward side of the monounsaturated monomer that keeps out the wind of the present utility model also is provided with some irregular lordosis things, so just can reduce the abrasion of the grains of sand effectively, prolong the application life of sand-protecting barrier the brick surface.
Description of drawings
The mounted half flexible wind-proofing sand-blocking wall Facad structure schematic diagram of the present utility model of Fig. 1.
Fig. 2 column of the present utility model and steel mesh structure schematic diagram so form semiflexible structure.
Fig. 3 monomer Facad structure schematic diagram that keeps out the wind.
Fig. 4 keep out the wind monomer side schematic view, the i.e. right view of Fig. 3.
Fig. 5 keep out the wind monomer be located at the not perforate sandboard Facad structure schematic diagram of its underpart.
Fig. 6 keep out the wind monomer be located at the not perforate sandboard side structure schematic diagram of its underpart.
Fig. 7 keep out the wind monomer head-down position schematic diagram, the i.e. vertical view of Fig. 3 and Fig. 5.
Each label declaration among the above-mentioned figure: 1-reinforced concrete upright column, 2-is positioned at the monomer that keeps out the wind of lower position, 3-rust stable gauze wire cloth, 4-is located at the air inlet on the windward side, 5-is located at the leeward side upper air-vent, and 6-is arranged at the pillar between interlayer between windward side and leeward side, the 7-fixing hole on the monomer that keeps out the wind, 8-is positioned at the monomer that keeps out the wind of top position, 9-sandboard.
The specific embodiment
Accompanying drawing is embodiment of the present utility model.Below in conjunction with the accompanying drawing explanation.
Referring to Fig. 1 and Fig. 2, the utility model by reinforced concrete upright column 1, rust stable gauze wire cloth 3, hang and fixing a plurality ofly form a wind-proofing sand-blocking wall by following monomer 2 and top monomer 8 and the monomer that between 2 and 8, keeps out the wind of keeping out the wind of keeping out the wind.Among the embodiment of the present utility model, reinforced concrete upright column 1 high 2.2m imbeds underground 0.5m, and face of land 1.7m is exposed in the upper end, and cross section is the square of 0.2 * 0.2m, concrete column 1 spacing 1.6～2.1m; The surface of the monomer that keeps out the wind that hangs is square, and the length of side is 0.5m; The thickness of monomer brick of keeping out the wind is 0.2m, interlayer hollow 0.1m, and the diameter of windward side side air inlet is 8.0cm, and four jiaos of the brick interlayer body is isosceles right triangle, and the length of side is 0.1m, and side is respectively equipped with the fixing hole 7 of a 1.0cm thereon.Increased by the haydite sandboard 9 of 0.5 * 0.2 * 0.05m of an atresia at the keep out the wind bottom leeward side of monomer 2 of lower floor, be used to prevent and treat the undercutting of dust storm the sand-protecting barrier bottom.
The monomer that keeps out the wind of the present utility model can be a monoblock Haydite bricks body that is made of windward side, leeward side and hollow sandwich, also by two independent fragment of brick, leeward fragments of brick and be separately set in the pillar between fragment of brick and leeward fragment of brick down with the wind and be positioned over four independent corner blocks of four jiaos and constitute of facining the wind.More or less freely when obviously a kind of structure in back is fired, but need more man-hour during assembling.
Referring to Fig. 3, the monomer that keeps out the wind is by fixing hole 7, with antirust fixation with steel wire on gauze wire cloth 3; Its arrangement mode is parallel ranks and distributes, and the distance between monomer is about about 1～2cm.Be example to use, in concrete use, the windward side be positioned over outside the railway line, and leeward side is placed by the railway line in the railway outside.Make the wind-proofing sand-blocking wall perpendicular to the direction of advance of taking husky air-flow, when taking husky air-flow through the wind-proofing sand-blocking wall, the gauze wire cloth at wind-proofing sand-blocking wall back can be forced to take place certain deformation, clears up the part wind energy with this, slow down the pace of air-flow, reduce it with this and take husky ability; And the space of intermediate course is far longer than the area of air inlet, this just makes the husky air velocity of taking that enters wind-proofing sand-blocking wall interlayer by air inlet reduce greatly, and when the air-flow lifting, the grains of sand just precipitate gradually, finally discharge, reach the husky effect of the husky resistance of retaining with this from the bottom of Haydite bricks hollow.
Claims (9)
1. wind-proofing sand-blocking device, by be embedded in ground column, its windbreak that is provided with through hole constitutes, and it is characterized in that being fixed with the anti-corrosion gauze wire cloth on column, is fixed with windbreak on gauze wire cloth.
2. according to the described wind-proofing sand-blocking device of claim 1, it is characterized in that windbreak is made of a plurality of combination of monomers of keeping out the wind, the monomer that keeps out the wind wherein is the two-sided sandwich that is made of windward side and leeward side of rectangle, wherein the thickness of hollow sandwich is 5～15cm, keep out the wind on the windward side of monomer and the leeward side each respectively symmetry offer at least one through hole, and hole on the windward side of monomer and the hole on the leeward side be not on same axis, the diameter ratio in hole is 8: 1～1: 1 on the diameter in the hole on the windward side and the leeward side, separates with pillar between windward side and leeward side.
3. wind-proofing sand-blocking device according to claim 2, the windward side external surface of the monomer that it is characterized in that keeping out the wind is provided with outside protrusion.
4. wind-proof device according to claim 3, the through hole that level offers 4 equal diameters and arranges symmetrically on the windward side of monomer is characterized in that keeping out the wind, offer 4 isodiametric through holes on the leeward side, hole on the leeward side and the span on the windward side are arranged, and be 135 ℃ of angles between the axis in the hole on the leeward side and horizontal plane, the diameter ratio in hole is 4: 1 on the diameter in the hole on the windward side and the leeward side.
5. the span layout of offering on the husky device of child's windscreen according to claim 4, the hole of offering on the monomer windward side that it is characterized in that keeping out the wind and leeward side, and opposite position offers the screw hole that is used for fixing on windward side and leeward side.
6. according to the described arbitrary wind-proofing sand-blocking device of claim 1 to 5, the monomer that it is characterized in that keeping out the wind adopts ceramsite material to manufacture.
7. wind-proofing sand-blocking device according to claim 6 is provided with between the bottom leeward side of the monomer that it is characterized in that keeping out the wind and ground highly on its of 20cm～40cm and does not offer porose sandboard.
8. wind-proofing sand-blocking device according to claim 5 is provided with between the bottom leeward side of the monomer that it is characterized in that keeping out the wind and ground highly on its of 30cm and does not offer porose sandboard.
9. arbitrary wind-proofing sand-blocking device according to claim 8, its feature sandboard adopt ceramsite material to manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020210886 CN201817781U (en) | 2010-05-27 | 2010-05-27 | Wind and sand shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020210886 CN201817781U (en) | 2010-05-27 | 2010-05-27 | Wind and sand shielding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201817781U true CN201817781U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020210886 Expired - Lifetime CN201817781U (en) | 2010-05-27 | 2010-05-27 | Wind and sand shielding device |
Country Status (1)
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| CN (1) | CN201817781U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871199A (en) * | 2010-05-27 | 2010-10-27 | 中铁西北科学研究院有限公司 | Wind-proofing sand-blocking device |
| CN102852119A (en) * | 2011-06-30 | 2013-01-02 | 中国科学院寒区旱区环境与工程研究所 | Sand wind hazard comprehensive protection system for railway in shore of cold highland area |
| CN103132467A (en) * | 2011-12-02 | 2013-06-05 | 中铁二十一局集团有限公司 | Roadbed wind and sand prevention facility capable of automatically adjusting wind and sand preventing direction in strong wind area of Gobi |
| CN107034797A (en) * | 2017-05-05 | 2017-08-11 | 中国科学院寒区旱区环境与工程研究所 | Automatic lifting sand storm protection fence |
| CN104968860B (en) * | 2012-10-24 | 2017-10-20 | 宁波远志立方能源科技有限公司 | Reduction high wind is pressed and can be with the environment-friendly type works and its manufacture method of collected rainwater |
-
2010
- 2010-05-27 CN CN 201020210886 patent/CN201817781U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871199A (en) * | 2010-05-27 | 2010-10-27 | 中铁西北科学研究院有限公司 | Wind-proofing sand-blocking device |
| CN101871199B (en) * | 2010-05-27 | 2011-12-07 | 中铁西北科学研究院有限公司 | Wind-proofing sand-blocking device |
| CN102852119A (en) * | 2011-06-30 | 2013-01-02 | 中国科学院寒区旱区环境与工程研究所 | Sand wind hazard comprehensive protection system for railway in shore of cold highland area |
| CN103132467A (en) * | 2011-12-02 | 2013-06-05 | 中铁二十一局集团有限公司 | Roadbed wind and sand prevention facility capable of automatically adjusting wind and sand preventing direction in strong wind area of Gobi |
| CN103132467B (en) * | 2011-12-02 | 2015-05-13 | 中铁二十一局集团有限公司 | Roadbed wind and sand prevention facility capable of automatically adjusting wind and sand preventing direction in strong wind area of Gobi desert |
| CN104968860B (en) * | 2012-10-24 | 2017-10-20 | 宁波远志立方能源科技有限公司 | Reduction high wind is pressed and can be with the environment-friendly type works and its manufacture method of collected rainwater |
| CN107034797A (en) * | 2017-05-05 | 2017-08-11 | 中国科学院寒区旱区环境与工程研究所 | Automatic lifting sand storm protection fence |
| CN107034797B (en) * | 2017-05-05 | 2019-03-15 | 中国科学院寒区旱区环境与工程研究所 | Automatic lifting sand storm protection fence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110504 Effective date of abandoning: 20111207 |