CN203795329U - Flow guide type wind barrier - Google Patents
Flow guide type wind barrier Download PDFInfo
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- CN203795329U CN203795329U CN201420175904.3U CN201420175904U CN203795329U CN 203795329 U CN203795329 U CN 203795329U CN 201420175904 U CN201420175904 U CN 201420175904U CN 203795329 U CN203795329 U CN 203795329U
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- wind barrier
- wind
- barrier
- flow guiding
- cross beam
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Abstract
The utility model relates to a flow guide type wind barrier. The wind barrier is characterized in that a wind barrier bracket is formed by columns as well as an upper cross beam and a lower cross beam at the upper and lower parts of the columns, and a wind barrier unit is formed; an inclination angle of 1-45 degrees is formed between the axis of each column of the wind barrier and the plumb line; multiple rows of horizontal wind barrier bars and multiple lines of vertical wind barrier bars are arranged in the wind barrier bracket, and are smoothly connected on a windward side to form a whole windscreen side; the vertical wind barrier bars keep continuous and equal width between the upper and lower cross beams and form inclination angles of 1-45 degrees with the plumb line; the upper cross beam and a middle cross beam of the wind barrier adopt two structural forms including an integral form and a combined form; and flow guide wind barrier bars are additionally mounted on the windward side of the whole windscreen side. With the adoption of the flow guide type wind barrier, part of airflow can bypass a wind barrier plate, so that the flow guide type wind barrier has both a windshield function of a conventional wind barrier and an airflow guide function, and the wind resistance of a sound barrier can be improved when components of the wind barrier are applied to the sound barrier; and pneumatic characteristics of a bridge structure can be improved, and the wind resistance of the bridge structure can be improved.
Description
Technical field
The utility model relate to a kind of can be for the flow guiding type wind barrier of highway, railway bridge.
Background technology
Larger wind load all can form certain threat to the safety of the train travelling in the vehicle travelling on road, railway line; The today of day by day improving in environmental requirement, sound barrier is widely used on highway, railway bridge, and the wind loading rating of sound barrier self attracts great attention.Wind barrier, sound barrier are installed on highway, railroad bridge, can improve bridge up train condition, but the wind loading rating to the aerodynamic characteristic of bridge, structure all has a certain impact, to Longspan Bridge, the above long-span bridge of km over strait and km particularly, these adverse effects can be more outstanding.
Case history shows, conventional sound barrier is in the less area of wind load, and the wind loading rating of himself is enough; The bridge of conventional wind barrier, sound barrier centering, little span is safe.For building valley, mountain pass area in, and the violent region of variations in flow such as coastal waters, there is obvious limitation in conventional wind barrier, sound barrier.Be necessary to utilize aerodynamics basic principle, develop and can improve driving condition, when improving bridge periphery quality of residents'life, improve the wind loading rating of wind barrier, sound barrier self, reduce windage; Improve the aerodynamic characteristic of bridge, strengthen Novel air barrier and the sound barrier wind resistance external member of the wind loading rating of bridge construction, reply bridge region of living in variations in flow complicated and changeable.
Summary of the invention
The purpose of this utility model is for above-mentioned present situation, aims to provide a kind ofly can improve driving condition, improves self wind loading rating, reduces windage; Can improve the aerodynamic characteristic of bridge, strengthen the flow guiding type wind barrier of the wind loading rating of bridge construction.
The implementation of the purpose of this utility model is, flow guiding type wind barrier, by two columns and upper and lower top rail and lower transverse beam thereof, form wind barrier stent, form a wind barrier unit, it is characterized in that there is the inclination angle of 1 °～45 ° between the column axis of flow guiding type wind barrier and plumb line, in barrier stent, be furnished with multirow beam wind barrier bar and multiple row vertical wind barrier bar; Multirow beam wind barrier bar and multiple row vertical wind barrier bar connect windward side is smooth-going, form a whole air partition face; It is continuous, wide that vertical wind barrier bar keeps between top rail, lower transverse beam; Between vertical wind barrier bar and plumb line, there is the inclination angle of 1 °～45 °.
The utility model has following advantage:
The existing conventional wind barrier of flow guiding type wind barrier keeps off wind action, possesses again the function of dredging flow.Adopt " resistance " " to dredge " way combining, can effectively reduce the impact of air-flow on driving, improve the wind loading rating of wind barrier self.While applying, can improve the aerodynamic characteristic of bridge construction in bridge construction, improve the wind loading rating of bridge construction.
Water conservancy diversion wind barrier bar of the present utility model, upper front beam and middle front beam be can be used as to external member, be installed at the windward side of existing sound barrier, wind barrier, can reduce the resistance of wind barrier, sound barrier, improve self wind loading rating of wind barrier, noise barrier structure.
Accompanying drawing explanation
Fig. 1 be on the whole, the wind barrier structure axonometric drawing of middle cross beam,
Fig. 2 be on the whole, the wind barrier cross-sectional view of middle cross beam,
Fig. 3 wind barrier structure axonometric drawing upper for combining, middle cross beam,
Fig. 4 wind barrier cross-sectional view upper for combining, middle cross beam,
Fig. 5 a, Fig. 5 b, Fig. 5 c are on flow guiding type wind barrier, middle front beam cross-sectional view,
Fig. 6 a, Fig. 6 b, Fig. 6 c vertical wind barrier bar intercept structural representation,
The pattern that Fig. 7 forms for horizontal, vertical wind barrier bar,
Fig. 8 a, Fig. 8 b, Fig. 8 c, Fig. 8 d, Fig. 8 e, Fig. 8 f are water conservancy diversion wind barrier sliver transvers section structural representation,
Fig. 9 is conventional scheme of installation on flow guiding type wind barrier bridge,
Figure 10 is scheme of installation on flow guiding type wind barrier bridge.
The specific embodiment
With reference to Fig. 1,2,3,4,6, the utility model is by one or more wind barrier cell formations, every two columns 2 and upper and lower top rail 3 thereof and lower transverse beam 5 form wind barrier unit, the barrier stent that column 2 and upper and lower top rail 3 thereof and lower transverse beam 5 form flow guiding type wind barriers 1.Column 2 axis are consisting of multistage straight line, camber line or broken line along short transverse, and making has the inclination angle of 1 °-45 ° between column 2 axis and plumb line.For adding the globality of high wind barrier stent, can between top rail 3 and lower transverse beam 5, set up middle cross beam 4.
Top rail 3 and middle cross beam 4 have whole and two kinds of structural forms of combination.When top rail 3 and middle cross beam 4 are unitary construction, top rail had wind hole 6, and the position of crossing wind hole is corresponding with the installation site of vertical wind barrier bar 12, as shown in Figure 1, 2.When top rail 3 and middle cross beam 4 are composite construction, top rail is comprised of upper front beam 7 and upper rear cross beam 8, and 8 of upper front beam 7 and upper rear cross beams have spacing; Middle cross beam 4 by front beam 9 and middle and rear cross beam 10 form, between middle front beam and middle and rear cross beam, have spacing, as shown in Figure 3,4.The cross section of upper front beam 7 and middle front beam 9 is date core shaped, and two ends are wedge angle or rounded corner, has the inclination angle of 1 °-70 °, with horizontal plane as shown in Fig. 5 a, 5b, 5c.
Barrier stent has multirow beam wind barrier bar 11 and multiple row vertical wind barrier bar 12, and beam wind barrier bar 11 can be rectangle, triangle, semicircle or semiellipse with the cross section of multiple row vertical wind barrier bar 12.Multirow beam wind barrier bar 11 and multiple row vertical wind barrier bar 12 connect windward side is smooth-going, form a whole air partition face 13, and each wind barrier unit can be comprised of single or multiple parallel whole air partition faces 13.
Vertical wind barrier bar 12 forms certain inclination angle with plumb line.When air-flow arrives after whole air partition face 13, part air-flow is by whole air partition face 13, and another part air-flow streams theory according to hydrodynamics, according to hydromechanical Coanda effect (Coanda Effect), along vertical wind barrier bar 12, through wind hole 6, walk around whole air partition face 13.Like this, both can reduce the impact of air-flow on driving, and can reduce again the resistance of wind barrier.For strengthening the effect of Coanda effect (Coanda Effect), utilize the golf mechanism in hydrodynamics, arc or the fold-line-shaped groove that the degree of depth is 1～20mm made in the windward side of vertical wind barrier bar 12; Groove surfaces can rule or irregular layout raised or sunken, height of projection or cup depth are 0.1～5mm, as shown in Fig. 6 a, 6b, 6c.
Crossbeam 3 and middle cross beam 4 are composite construction, at the windward side of whole air partition face 13, install water conservancy diversion wind barrier bar 14 additional, and water conservancy diversion wind barrier bar 14 and 13, whole air partition face have spacing, as shown in Figure 3,4.Water conservancy diversion wind barrier bar 14 adopts and is bent into deflection angle is smooth curve plate or the broken line plate of 90 °-135 °, locates windward as blunt body or wedge angle, and the cross section of water conservancy diversion wind barrier bar 14 is as shown in Fig. 8 a, b, c, d, e, f.Smooth curve plate or broken line plate have certain thickness.
Windward side at whole air partition face 13 installs additional after water conservancy diversion wind barrier bar 14, before air-flow arrives whole air partition face 13, can change the mobile side of part air-flow, part air flow energy is upwards flowed between water conservancy diversion wind barrier bar 14 and vertical wind barrier bar 12, through in the gap of 8 of the gap, upper front beam 7 of 10 of front beam 9 and middle and rear cross beams and upper rear cross beams, walked around whole air partition face 13.By changing the flow direction of part air-flow, play the effect that increases the throughput of walking around whole air partition face 13, can effectively reduce the impact of air-flow on driving, reduce the resistance of wind barrier.
The axis of beam wind barrier bar 11 is straight line, broken line or camber line, can be at an angle with horizon, and to form different pattern (see figure 7)s, it is continuous, wide that vertical wind barrier bar 12 keeps between upper and lower crossbeam.
The axis of vertical wind barrier bar 12 is consisting of multistage straight line and camber line along short transverse, also can consist of multistage broken line, and vertical wind barrier bar 12 has the inclination angle of 1 °-45 ° with plumb line, as shown in Figure 1,2,3, 4.The axis of column 2 can be identical with the axis of vertical wind barrier bar 12, also can be not identical.
The column 2 of flow guiding type wind barrier 1, top rail 3, middle cross beam 4, lower transverse beam 5, upper front beam 7, upper rear cross beam 8, middle front beam 9, middle and rear cross beam 10, beam wind barrier bar 11, vertical wind barrier bar 12 and water conservancy diversion wind barrier bar 14 should be made with metal material high-strength, lightweight, alleviate the deadweight of wind barrier structure.
Width and the spacing of each beam wind barrier bar 11 and each vertical wind barrier bar 12, the physical dimension of water conservancy diversion wind barrier bar 14, should, according to bridge site district meteorological condition and bridge force-bearing condition, determine according to the requirement of the ventilative rate of difference.
Whole air partition face 13 also can be by monoblock thin plate, and the smooth curve plate or the broken line plate that are bent into form, and its cross section and plumb line have the inclination angle of 1 °-45 °.
While using as sound barrier panel, on whole air partition face 13 surfaces can rule or irregular layout raised or sunken, height of projection or cup depth are 0.1～5mm; While using as wind shield plates, depth of placement is 1～20mm at a certain distance along its length vertical elongated groove or tongue, layout rules or irregular raised or sunken on groove or tongue, height of projection or cup depth are 0.1～5mm.。Can rule or irregular layout air-permeating hole between two grooves.Spacing between the width of the size of air-permeating hole, groove or tongue and two grooves, is determined by required ventilative rate.
Flow guiding type wind barrier 1 is arranged on highway, railway bed conventionally.While applying on bridge, be generally arranged on the roadway outside of highway car trade face, as shown in Figure 9, or be fixed on railway maintaining roadway outside.Flow guiding type wind barrier 1 also can be arranged on the outside of bridge construction, and upper and lower symmetrical installation, as shown in figure 10, improves the aerodynamic characteristic of bridge construction, improves the wind loading rating of bridge construction.
Water conservancy diversion wind barrier bar 14, upper front beam 7 and middle front beam 9 can be used as independent external member, be installed at the sound barrier of existing road, bridge, the windward side of wind barrier, reduce the resistance of sound barrier, wind barrier, improve self wind loading rating of sound barrier, wind barrier structure.
Claims (10)
1. flow guiding type wind barrier, by two columns and upper and lower top rail and lower transverse beam thereof, form wind barrier stent, form a wind barrier unit, it is characterized in that there is the inclination angle of 1 °～45 ° between the column axis of flow guiding type wind barrier and plumb line, in barrier stent, be furnished with multirow beam wind barrier bar and multiple row vertical wind barrier bar; Multirow beam wind barrier bar and multiple row vertical wind barrier bar connect windward side is smooth-going, form a whole air partition face; It is continuous, wide that vertical wind barrier bar keeps between top rail, lower transverse beam; Between vertical wind barrier bar and plumb line, there is the inclination angle of 1 °～45 °.
2. flow guiding type wind barrier according to claim 1, is characterized in that setting up middle cross beam (4) between top rail (3) and lower transverse beam (5).
3. flow guiding type wind barrier according to claim 2, is characterized in that top rail (3) and middle cross beam (4) have whole and two kinds of structural forms of combination.
4. according to the flow guiding type wind barrier described in claim 1 or 3, it is characterized in that top rail (3) and middle cross beam (4) are unitary construction, top rail had wind hole (6), and the position of crossing wind hole (6) is corresponding with the installation site of vertical wind barrier bar (12).
5. according to the flow guiding type wind barrier described in claim 1 or 3, it is characterized in that top rail (3) and middle cross beam (4) are composite construction, top rail (3) is comprised of upper front beam (7) and upper rear cross beam (8), between upper front beam and upper rear cross beam, has spacing; Middle cross beam (4) by front beam (9) and middle and rear cross beam (10) form, between middle front beam and middle and rear cross beam, have spacing; Windward side at whole air partition face (13) installs water conservancy diversion wind barrier bar (14) additional, between water conservancy diversion wind barrier bar (14) and whole air partition face (13), has spacing.
6. flow guiding type wind barrier according to claim 5, is characterized in that the cross section of front beam (7) and middle front beam (9) is date core shaped, and two ends are wedge angle or rounded corner, have the inclination angle of 1 °～70 ° with horizontal plane.
7. flow guiding type wind barrier according to claim 1, is characterized in that beam wind barrier bar (11) and the cross section of multiple row vertical wind barrier bar (12) are rectangle, triangle, semicircle or semiellipse.
8. flow guiding type wind barrier according to claim 1, arc or the fold-line-shaped groove that the degree of depth is 1～20mm made in the windward side of vertical wind barrier bar (12); Raised or sunken in groove surfaces rule or irregular layout, height of projection or cup depth are 0.1～5mm.
9. flow guiding type wind barrier according to claim 5, is characterized in that water conservancy diversion wind barrier bar (14) adopts that to be bent into deflection angle be curve ruler or the broken line plate of 90 °-135 °, and locating is windward blunt body or wedge angle.
10. flow guiding type wind barrier according to claim 5, is characterized in that whole air partition face (13) is by monoblock thin plate, and the smooth curve plate or the broken line plate that are bent into form, and its cross section and plumb line have the inclination angle of 1 °-45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175904.3U CN203795329U (en) | 2014-04-11 | 2014-04-11 | Flow guide type wind barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175904.3U CN203795329U (en) | 2014-04-11 | 2014-04-11 | Flow guide type wind barrier |
Publications (1)
| Publication Number | Publication Date |
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| CN203795329U true CN203795329U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420175904.3U Withdrawn - After Issue CN203795329U (en) | 2014-04-11 | 2014-04-11 | Flow guide type wind barrier |
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| CN (1) | CN203795329U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938559A (en) * | 2014-04-11 | 2014-07-23 | 余江 | Flow guide type air barrier |
| CN105696500A (en) * | 2014-11-26 | 2016-06-22 | 无锡梓昱安全用品科技有限公司 | Anti-drag protection plate |
| CN105696496A (en) * | 2014-11-26 | 2016-06-22 | 无锡梓昱安全用品科技有限公司 | Induction detection type resistance reduction road security and protection board |
| 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 |
| CN106192725A (en) * | 2016-07-16 | 2016-12-07 | 王萌 | A kind of adjustable bridge abat-vent |
-
2014
- 2014-04-11 CN CN201420175904.3U patent/CN203795329U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938559A (en) * | 2014-04-11 | 2014-07-23 | 余江 | Flow guide type air barrier |
| CN103938559B (en) * | 2014-04-11 | 2016-02-24 | 余江 | Flow guiding type wind barrier |
| CN105696500A (en) * | 2014-11-26 | 2016-06-22 | 无锡梓昱安全用品科技有限公司 | Anti-drag protection plate |
| CN105696496A (en) * | 2014-11-26 | 2016-06-22 | 无锡梓昱安全用品科技有限公司 | Induction detection type resistance reduction road security and protection board |
| CN106192725A (en) * | 2016-07-16 | 2016-12-07 | 王萌 | A kind of adjustable bridge abat-vent |
| 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 |
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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: 20140827 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |