CN105568875A - Stacked type multi-layer wind prevention and sand resistance comprehensive structural body - Google Patents
Stacked type multi-layer wind prevention and sand resistance comprehensive structural body Download PDFInfo
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- CN105568875A CN105568875A CN201610031702.5A CN201610031702A CN105568875A CN 105568875 A CN105568875 A CN 105568875A CN 201610031702 A CN201610031702 A CN 201610031702A CN 105568875 A CN105568875 A CN 105568875A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
- E01F7/025—Devices specially adapted for protecting against wind, e.g. screens, deflectors or attenuators at tunnel or lock entrances
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a stacked type multi-layer wind prevention and sand resistance comprehensive structural body. The structural body is structurally characterized in that slice layer sand filtration and ventilation type grids are arranged between two butt joint stand columns, the lower portions of the stand columns are connected with bearings of slide wheels in a butt joint mode, sand prevention type rail grooves are formed by welding porous type sand leaking slide plates, sand discharge holes and square rails, the sand prevention type rail grooves are located on a tooth-shaped embedment mortise and tenon cellular base, the slice layer sand filtration and ventilation type grids are connected through stacked lock catches, and automatic telescopic regulating valves are located in the middles of stacked lock catch crossed supports. By means of the stacked type multi-layer wind prevention and sand resistance comprehensive structural body, a traditional two-dimensional fixed vertical sand prevention fence is improved into a fence of a push-pull stacked three-dimensional structure, a solid base is changed into a base of a cellular ventilation structure, it is avoided that airflow streams nearby the stand columns, and near-surface transited wind-drift sand can be effectively intercepted. By means of the telescopic regulating valves, the interval of the slice layer sand filtration and ventilation type grids and the relative positions of fence vent holes can be automatically regulated, the overall porosity degree of the comprehensive structural body can be improved, and railway sand storm protection measure benefits are maximized.
Description
Technical field
Patent of the present invention belongs to the prophylactico-therapeutic measures of sandstorm, is a kind of wind prevention and sand resistance compages body taked for the strong location of wind-sand activity, husky district specifically, is applicable to the control of railway or Highways ' sandstorm.
Background technology
China is one of country that sandstorm is the most serious in the world, has influence on 30 provinces, cities and regions in the whole nation, the productive life of serious threat 400,000,000 population, year direct economic loss 54,000,000,000 yuan.Sandstorm has become one of the chief threat and major hidden danger of China's ecological safety, constantly engulfs the survival and development space of the Chinese nation.Particularly in the western industrial and mineral of China, Along Traffic Trunk Lines, national defense facility equal distribution area, due to the very serious and ecological environment frailty of sandstorm, limit by ecological factors such as local moisture, illumination, soil fertility, plant measures for sand prevention is difficult to carry out in addition.Therefore, be the sandstorm of control China In China West Arid Land, engineering measure or mechanical measure must be taked, coordinate limited biological control measure to carry out integrated control simultaneously.In recent years, along with the object of construction production such as high-speed railway and speedway is pushed forward comprehensively in western husky district of China, in the sandstorm control of road especially Along Railway, not only husky source to be stopped, also to reduce roadbed wind speed, prevent strong wind from running train and vehicle safety and have an impact.Given this, develop a kind of not only can the windproof but also compages body that can fix the sand, for catch blowing sand, reduce the infringement of stream to high-speed railway and speedway, then ensure that tool is of great significance by the safe operation of vehicle.
Summary of the invention
For railway or the strong location of Highways ' wind-sand activity, based on many year field dust storm prevention practice experience and the research of dust storm scientific theory, the object of the present invention is to provide a kind of stacked-up type multilayer wind prevention and sand resistance compages body, then for the control of railway or Highways ' sandstorm.
The object of the present invention is achieved like this:
A kind of stacked-up type multilayer wind prevention and sand resistance compages body, mainly comprises: lamella filter sand aeration type grid, stacked-up type snap close, movable pulley, docking column, sand prevention formula rail groove, dentation inlay the cellular pedestal of Tenon, how empty formula leaks husky sliding panel, sand discharge hole, square track and automatic telescopic control valve.Lamella filter sand aeration type grid is located between two docking columns, and column bottom is docked with the bearing of movable pulley; Movable pulley is placed in sand prevention formula rail groove, and sand prevention formula rail groove leaks husky sliding panel, sand discharge hole and square track welding by porous type and forms.Sand prevention formula rail groove is seated in dentation and inlays on the cellular pedestal of Tenon, and connected by stacked-up type snap close between lamella filter sand aeration type grid, automatic telescopic control valve is positioned in the middle part of stacked-up type snap close cross frame.
Sheet above metafiltration husky aeration type grid height 2m, wide 1.5m, density is 30%.
Above-mentioned stacked-up type snap close is that two steel plate compositions in right-angled intersection form, and the wide 10cm of steel plate, length 1.5m, fix stacked-up type snap close and lamella filter sand aeration type grid with screw, and steel plate central crossbar place uses snap close to connect.
The degree of porosity that above-mentioned porous type leaks husky sliding panel is 50%, and sand discharge bore dia is 1.5cm, and the sectional area specification of square track is 5cm × 5cm, long 1.5m.
Above-mentioned dentation is inlayed the cellular pedestal of Tenon and is spliced by the boss of moveable concret block groove, combine.Base height is set to 15cm, and length and width are 1.5m, and base interior is cellular ventilation structure, and degree of porosity is 60%.The Tenon height 5cm at two ends, wide 10cm, long 20cm, Tenon edge is zigzag.
Above-mentioned automatic telescopic control valve is different in nature compression helical spring.Spring steel wire diameter is 5mm, external diameter 4cm, long 50cm, and snap close is left at two ends, docks with stacked-up type snap close cross steel plate.
The present invention is compared with conventional art, and the effect of its advantage and generation is:
1, hinder with tradition compared with husky fence, two dimension is fixed vertical type and is hindered husky fence and be improved to push-and-pull stacked-up type 3-D solid structure by the present invention, not only effectively filter and stop railway upwind sand material, also can reduce railway or highway wind speed on the way step by step, reach the object of wind prevention and sand resistance.
2, in the process of railway dust storm control, according to the intensity of local wind-sand activity, by number and the distance of the husky aeration type grid of adjustment sheet metafiltration, play the effect regulating the overall density of compages body, dynamic tracking sandstorm, make it be in the optimum state of wind prevention and sand resistance, realize railway sand storm protection measure maximizing the benefits.
3, the entity pedestal in traditional dust storm prophylactico-therapeutic measures is changed into cellular ventilating structure, not only effectively avoid air-flow to produce at column near surface to stream, affect the stability of engineering foundation, also the lifting that is hampered of air-flow can not be caused, reach the object of ventilation energy dissipating, the cellular ventilating structure of pedestal also effectively can tackle near surface passage winds sand drift simultaneously, plays the effect that resistance is husky.
4, the degree of porosity of the husky fence of tradition resistance is constant, and in the present invention, use natural wind and telescopic adjustment valve to realize the husky spacing of aeration type grid of automatic trimmer metafiltration and the relative position of each layer fence gravity vent, the overall density of regulation and control compages body, while obstruction sand material, maximal efficiency reduces wind energy.
5, convenient, swift to operate, the convenient disassembly of sand storm protection site operation transport, has stronger mobility.
6, by wind-tunnel investigation, the maximum Windbreak effect of aeration type grid can reach 85%, and maximum efficiency of sand resistance can reach 80%, and its wind-sand defending effect is obvious as seen.And pass through near surface 10cm height due to the stream flux of 90%, the base height therefore in the present invention is set to 15cm, effectively can tackle near surface passage winds sand drift.Based on above conclusion (of pressure testing), wind-sand defending effect of the present invention is obvious, intends applying along the line in Lanzhou-Xinjiang high ferro.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is sand prevention formula rail groove sectional drawing in Fig. 1.
Detailed description of the invention
As shown in Figure 1, a kind of stacked-up type multilayer wind prevention and sand resistance compages body, mainly comprises: the cellular pedestal of Tenon 6 inlayed by lamella filter sand aeration type grid 1, stacked-up type snap close 2, movable pulley 3, docking column 4, sand prevention formula rail groove 5, dentation, how empty formula leaks husky sliding panel 7, sand discharge hole 8, square track 9 and automatic telescopic control valve 10.Sand prevention formula rail groove 5 leaks husky sliding panel 7, sand discharge hole 8 and square track 9 by porous type and is welded.The high 2m of lamella filter sand aeration type grid 1, wide 1.5m, density is 30%, is located between two docking columns 4.10cm is reserved for docking with movable pulley 3 in docking column 4 lower end.Lamella filter sand aeration type grid 1 movement sand prevention formula rail groove 5 in of movable pulley 3 for being furnished with between two docking columns 4, movable pulley 3 diameter is 2.5cm, it is husky that this specification movable pulley both can ensure that movable pulley 3 had adequate space to leak at sand prevention formula rail groove 5, also can ensure that movable pulley 3 can bear the weight of lamella filter sand aeration type grid 1.The degree of porosity that porous type leaks husky sliding panel 7 is 50%, and both ensured that the sedimentation grains of sand had sufficient space to spill from top, and ensured again its stability, sand discharge hole 8 diameter is 1.5cm, and the sectional area specification of square track 9 is 5cm × 5cm, long 1.5m.Test shows that the height of the party's shape track 9 can ensure the activity space that internal slide is taken turns, and also can prevent lamella filter sand aeration type grid 1 and dentation from inlaying Tenon cellular pedestal 6 excesssive gap and then reduce efficiency of sand resistance.Sand prevention formula rail groove 5 is seated in dentation and inlays on the cellular pedestal 6 of Tenon, dentation is inlayed the boss of the cellular pedestal of Tenon 6 by moveable concret block and is spliced and combined groove and form, pedestal length and width are 1.5m, high 15cm, inside is cellular ventilation structure, and cellular degree of porosity is 60%, the all high 5cm of Tenon at two ends, wide 10cm, long 20cm, edge is zigzag, and under preventing high wind conditions, both depart from, firm pedestal; Automatic telescopic control valve 10 is different in nature compression helical spring, and spring steel wire diameter is 5mm, external diameter 4cm, long 50cm, and snap close is left at two ends, for docking with the cross steel plate of stacked-up type snap close 2; Be connected with lamella filter sand aeration type grid 1 by stacked-up type snap close 2 with screw, steel plate central crossbar place uses snap close to fix.Automatic telescopic control valve 10 is placed between stacked-up type snap close cross steel plate, can when wind-force is stronger automatic Compression, when wind-force is more weak restore to the original state.By the elongation of automatic telescopic control valve 10 and compression realize automatically regulating stacked-up type snap close cross steel plate size effectiveness, the spacing of the husky aeration type grid 1 of adjustment sheet metafiltration then.
When sandstorm location prevents and treats in the wild, construction can be carried out step by step according to the dominant direction of Along Railway hazards of sand storms and underlying surface type.Practice shows: the present invention serves facilitation to guaranteeing railway or highway safety operation and improving local environment.Detailed description of the invention is as follows:
A () is according to portable weather station or local meteorological department observation data for many years, analyze the cardinal wind implementing region hazards of sand storms, in conjunction with enforcement region underlying surface type, according to the principle that safeguard procedures trend is perpendicular with local hazards of sand storms cardinal wind, determine that safeguard procedures trend and dentation inlay cellular pedestal 6 height of Tenon.If original ground is Gobi desert, the height that dentation inlays the cellular pedestal 6 of Tenon is set to 15cm; As being earth's surface, desert, increase 15cm burying on degree of depth basis;
B dentation is inlayed the cellular pedestal of Tenon 6 and is arranged in order according to the direction vertical with prevailing wind direction by (), and the boss of base is docked successively, with pointed with cement mortar with groove;
C () is inlayed on the cellular pedestal 6 of Tenon at dentation and is laid sand prevention formula rail groove 5, movable pulley 3 is put into successively sand prevention formula rail groove 5, places 3 movable pulleies, also suitably can increase according to region wind regime and sandstorm degree in every bar sand prevention formula rail groove 5;
D docking column 4 lamellas are considered husky aeration type grid 1 and are docked successively by ();
E lamella is considered husky aeration type grid 1 and is connected with stacked-up type snap close 2 and fixes by () use screw, place automatic telescopic control valve 10 between stacked-up type snap close 2, single stacked-up type multilayer wind prevention and sand resistance compages body installs;
F (), according to said method, assembles one by one, until complete the setting of railway or Highways ' wind prevention and sand resistance system.
Claims (6)
1. a stacked-up type multilayer wind prevention and sand resistance compages body, mainly comprise: lamella filter sand aeration type grid (1), stacked-up type snap close (2), movable pulley (3), docking column (4), sand prevention formula rail groove (5), dentation inlays the cellular pedestal of Tenon (6), how empty formula leaks husky sliding panel (7), sand discharge hole (8), square track (9) and automatic telescopic control valve (10), it is characterized in that lamella filter sand aeration type grid (1) is located between two docking columns (4), docking column (4) bottom is docked with the bearing of movable pulley (3); Movable pulley (3) is placed in sand prevention formula rail groove (5), and sand prevention formula rail groove (5) leaks husky sliding panel (7), sand discharge hole (8) and square track (9) by porous type and is welded; Sand prevention formula rail groove (5) is seated in dentation and inlays on the cellular pedestal of Tenon (6), and connected by stacked-up type snap close (2) between lamella filter sand aeration type grid (1), automatic telescopic control valve (10) is positioned in the middle part of stacked-up type snap close (2) cross frame.
2. a kind of stacked-up type multilayer wind prevention and sand resistance compages body according to claim, it is characterized in that lamella filter sand aeration type grid (1) high 2m, wide 1.5m, density is 30%.
3. a kind of stacked-up type multilayer wind prevention and sand resistance compages body according to claim, it is characterized in that stacked-up type snap close (2) is made up of the steel plate that two is right-angled intersection, the wide 10cm of steel plate, length 1.5m, fix stacked-up type snap close (2) and lamella filter sand aeration type grid (1) with screw.
4. a kind of stacked-up type multilayer wind prevention and sand resistance compages body according to claim, it is characterized in that the degree of porosity that porous type leaks husky sliding panel (7) is 50%, sand discharge bore dia 1.5cm, the sectional area specification of square track (9) is 5cm × 5cm, long 1.5m.
5. a kind of stacked-up type multilayer wind prevention and sand resistance compages body according to claim, is characterized in that dentation is inlayed the cellular pedestal of Tenon (6) and spliced by the boss of moveable concret block groove, combine; Pedestal (6) length and width are 1.5m, high 15cm, and inside is cellular ventilation structure, and honeycomb structure porosity is 60%, the Tenon height 5cm at two ends, wide 10cm, long 20cm, edge indentation.
6. a kind of stacked-up type multilayer wind prevention and sand resistance compages body according to claim, it is characterized in that automatic telescopic control valve (10) is for different in nature compression helical spring, spring steel wire diameter is 5mm, external diameter is 4cm, long 50cm, snap close is left at two ends, docks with the cross steel plate of stacked-up type snap close (2).
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| CN201610031702.5A CN105568875B (en) | 2016-01-19 | 2016-01-19 | A kind of stacked-up type multilayer wind prevention and sand resistance compages body |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150006A (en) * | 2019-03-19 | 2019-08-23 | 福建农业职业技术学院 | A kind of three layers of multi-level high benefit ecological solid native woods of sand prevention |
| 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 |
| CN111155454A (en) * | 2020-02-14 | 2020-05-15 | 四川睿铁科技有限责任公司 | Blade type wind-guiding barrier of railroad bridge |
| CN112030789A (en) * | 2020-07-20 | 2020-12-04 | 中国科学院西北生态环境资源研究院 | Wind-proof, sand-proof and dust-suppression device with compound blocking net and roadbed wind-sand protection system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3966172A (en) * | 1974-11-19 | 1976-06-29 | Garrett Herbert V | Lightweight fence for protection against airborne snow, sand or the like |
| JPH0726518A (en) * | 1993-01-22 | 1995-01-27 | Nippon Kikai Kogyo Kk | Snow shelter fence |
| CN1865636A (en) * | 2006-04-30 | 2006-11-22 | 交通部天津水运工程科学研究所 | Lifting moving windproof net device |
| CN201133117Y (en) * | 2007-11-28 | 2008-10-15 | 岳朝晖 | Light wind-retardant wall |
| CN203980540U (en) * | 2014-03-24 | 2014-12-03 | 程伟 | A kind of modified sand prevention ventilation unit |
| CN204039932U (en) * | 2014-07-01 | 2014-12-24 | 甘肃省治沙研究所 | Packaged type sand sand-protecting barrier |
| CN204401486U (en) * | 2015-01-16 | 2015-06-17 | 石河子大学 | Prevent railway sand window windbreak |
| CN204530519U (en) * | 2015-05-12 | 2015-08-05 | 北京市中科中力科技有限公司 | A kind of Novel wind-proof sand-fixing device |
| CN205474900U (en) * | 2016-01-19 | 2016-08-17 | 中国科学院寒区旱区环境与工程研究所 | Adjustable prevent wind and hinders sand barrier |
-
2016
- 2016-01-19 CN CN201610031702.5A patent/CN105568875B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3966172A (en) * | 1974-11-19 | 1976-06-29 | Garrett Herbert V | Lightweight fence for protection against airborne snow, sand or the like |
| JPH0726518A (en) * | 1993-01-22 | 1995-01-27 | Nippon Kikai Kogyo Kk | Snow shelter fence |
| CN1865636A (en) * | 2006-04-30 | 2006-11-22 | 交通部天津水运工程科学研究所 | Lifting moving windproof net device |
| CN201133117Y (en) * | 2007-11-28 | 2008-10-15 | 岳朝晖 | Light wind-retardant wall |
| CN203980540U (en) * | 2014-03-24 | 2014-12-03 | 程伟 | A kind of modified sand prevention ventilation unit |
| CN204039932U (en) * | 2014-07-01 | 2014-12-24 | 甘肃省治沙研究所 | Packaged type sand sand-protecting barrier |
| CN204401486U (en) * | 2015-01-16 | 2015-06-17 | 石河子大学 | Prevent railway sand window windbreak |
| CN204530519U (en) * | 2015-05-12 | 2015-08-05 | 北京市中科中力科技有限公司 | A kind of Novel wind-proof sand-fixing device |
| CN205474900U (en) * | 2016-01-19 | 2016-08-17 | 中国科学院寒区旱区环境与工程研究所 | Adjustable prevent wind and hinders sand barrier |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150006A (en) * | 2019-03-19 | 2019-08-23 | 福建农业职业技术学院 | A kind of three layers of multi-level high benefit ecological solid native woods of sand prevention |
| CN110150006B (en) * | 2019-03-19 | 2021-06-29 | 福州市长乐区巧通工业设计有限公司 | Multi-level high-benefit three-layer ecological sand-prevention soil-fixation forest |
| 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 |
| CN111155454A (en) * | 2020-02-14 | 2020-05-15 | 四川睿铁科技有限责任公司 | Blade type wind-guiding barrier of railroad bridge |
| CN112030789A (en) * | 2020-07-20 | 2020-12-04 | 中国科学院西北生态环境资源研究院 | Wind-proof, sand-proof and dust-suppression device with compound blocking net and roadbed wind-sand protection system |
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Effective date of registration: 20200818 Address after: 730000 No.318, Donggang West Road, Chengguan District, Lanzhou City, Gansu Province Patentee after: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS Address before: Chengguan District of Gansu city of Lanzhou province Donggang West Road 730000 No. 320 Patentee before: Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences |