Bridge wind-resistant barrier capable of changing shape and porosity of air inlet and implementation method
By using movable wind barrier strips and adjustment mechanisms in the bridge wind resistance barrier, the air inlet shape and porosity are adjusted in real time according to the wind environment, the problem of insufficient adjustment of the existing wind resistance barrier is solved, and the wind resistance performance and resources of the bridge are improved Utilization efficiency.
Patent Information
- Application Number
- CN202411402742.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2024-12-20
AI Technical Summary
Due to the fixed porosity and height design, the existing wind resistance barrier cannot be flexibly adjusted according to wind conditions and traffic needs, resulting in unsatisfactory wind resistance or waste of resources under certain conditions.
A bridge wind-resistant barrier that can change the shape and porosity of the air inlet is designed, using an aluminum alloy frame, longitudinal and transverse movable telescopic barrier strips, and dynamic adjustment of the shape and porosity of the air inlet is achieved through telescopic components and adjustment mechanisms. In combination with the wind environment detection device, the position and number of wind barriers are adjusted in real time.
It achieves a better balance between wind barrier efficiency and aerodynamic resistance under different wind environments, provides sufficient wind barrier effect, avoid excessive aerodynamic resistance load, improves the wind resistance of the bridge, and enhances wind resistance in extreme weather. ability.
Smart Images
Figure CN119162905A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of civil engineering, and in particular to a bridge wind-resistant barrier capable of changing the shape and porosity of an air inlet and an implementation method thereof. Background Art
[0002] With global climate change and the frequent occurrence of extreme weather events, the wind load challenges faced by bridges are becoming increasingly severe. When dealing with strong wind challenges, the wind-resistant design of traditional bridges mainly relies on strengthening the structure and changing the bridge shape to adapt to changes in the wind environment. However, while these methods improve wind resistance, they also bring problems such as increased costs, increased construction difficulty, and a single adjustment method.
[0003] In recent years, with the advancement of science and technology, researchers have proposed more flexible wind-resistant measures. Among them, wind barriers, as an effective wind-resistant device, have been widely used in cross-sea bridges and areas with strong convective winds. Wind barriers significantly improve the wind resistance of bridges by reducing the wind speed of incoming wind and reducing wind turbulence and eddies. However, most of the existing wind barriers are designed with fixed porosity and height, which cannot be flexibly adjusted according to wind conditions and traffic needs, resulting in unsatisfactory wind-resistant effects or waste of resources under certain conditions. Summary of the invention
[0004] Based on this, it is necessary to provide a bridge wind-resistant barrier and implementation method that can change the shape and porosity of the air inlet in order to address the problem that the current wind-resistant barriers have unsatisfactory wind-resistant effects during use.
[0005] The above purpose is achieved through the following technical solutions:
[0006] A bridge wind barrier capable of changing the shape and porosity of an air inlet, the bridge wind barrier capable of changing the shape and porosity of an air inlet comprising:
[0007] Aluminum alloy frame;
[0008] A longitudinally movable telescopic wind barrier strip, the two ends of which are respectively slidably inserted into the upper and lower ends of the aluminum alloy frame, and the number of the longitudinally movable telescopic wind barrier strips is multiple, and the multiple longitudinally movable telescopic wind barrier strips are arranged at equal intervals along the length direction of the aluminum alloy frame;
[0009] A transversely movable telescopic wind barrier strip, wherein both ends of the transversely movable telescopic wind barrier strip are respectively slidably inserted into the left and right ends of the aluminum alloy frame. There are multiple transversely movable telescopic wind barrier strips, and the multiple transversely movable telescopic wind barrier strips are evenly arranged along the width direction of the aluminum alloy frame; any two adjacent transversely movable telescopic wind barrier strips and any two adjacent longitudinally movable telescopic wind barrier strips together surround an air inlet with a changeable shape.
[0010] Furthermore, the longitudinally movable telescopic wind barrier strip and / or the transversely movable telescopic wind barrier strip both have a wind barrier strip and an end kit respectively sleeved on both ends of the wind barrier strip, a telescopic component is connected between the end kit and the wind barrier strip, and the telescopic component is configured to enable the end kit and the wind barrier strip to be telescopically matched.
[0011] Furthermore, the telescopic assembly includes six connecting rods and six cylindrical pins, wherein the first cylindrical pin and the second cylindrical pin are spaced apart along the width direction of the wind barrier strip and fixedly inserted in the wind barrier strip, and the third cylindrical pin and the fourth cylindrical pin are spaced apart along the width direction of the wind barrier strip and fixedly inserted in the end head kit; one end of the first connecting rod can be rotatably sleeved on the first cylindrical pin, and the other end is suspended; one end of the second connecting rod can be rotatably sleeved on the third cylindrical pin, and the other end is suspended through the fifth cylindrical pin and the first connecting rod One end of the connecting rod is hinged; one end of the third connecting rod is rotatably sleeved on the second cylindrical pin, and the other end is suspended; one end of the fourth connecting rod is rotatably sleeved on the fourth cylindrical pin, and the other end is hinged to the suspended end of the third connecting rod through the sixth cylindrical pin; one end of the fifth connecting rod is hinged to the second connecting rod, and the other end is hinged to the suspended end of the third connecting rod through the sixth cylindrical pin; one end of the sixth connecting rod is hinged to the third connecting rod, and the other end is hinged to the suspended end of the first connecting rod through the fifth cylindrical pin.
[0012] Furthermore, the telescopic assembly includes two double-sided racks, four gears and four single-sided racks, the double-sided racks extend along the length direction of the wind barrier strip, and the two double-sided racks are fixed and symmetrically arranged at the ends of the wind barrier strip; the single-sided rack extends along the length direction of the wind barrier strip and can slide along the length direction of the wind barrier strip, the four single-sided racks are divided into two groups, the two groups are symmetrically arranged inside the end head kit, and the two single-sided racks in the same group are arranged at intervals; the gears are inserted into the end head kit and can rotate on their own, the four gears are divided into two groups, the two groups are symmetrically arranged inside the end head kit, the two gears in the same group are arranged at intervals, and each of them is meshed with the single-sided teeth of the double-sided rack and one of the single-sided racks in the same group.
[0013] Furthermore, the bridge wind barrier capable of changing the shape and porosity of the air inlet also includes an adjusting mechanism, which is configured to adjust the angle between the longitudinally movable telescopic wind barrier strips and the vertical line, and the angle between the transversely movable telescopic wind barrier strips and the horizontal line according to different wind environments, so as to achieve adjustment of the shape and porosity of the air inlet.
[0014] Furthermore, the adjustment mechanism includes a sensing part and an adjustment part, the sensing part is configured to sense the physical parameters of the wind environment; the adjustment part is configured to adjust the positions of both ends of the longitudinally movable telescopic wind barrier strip on the aluminum alloy frame and the positions of both ends of the transversely movable telescopic wind barrier strip on the aluminum alloy frame according to the physical parameters of the wind environment.
[0015] Furthermore, the sensing unit includes a wind environment detection device, and the wind environment detection device is configured to sense the wind direction, wind speed and wind attack angle of the wind environment.
[0016] Furthermore, a barrier strip storage chamber is provided on the aluminum alloy frame, and a plurality of the transversely movable and retractable wind barrier strips are inserted in the barrier strip storage chamber.
[0017] Furthermore, the aluminum alloy frame has an even number of independently set wind-resistant areas, each of which is installed with a plurality of the longitudinally movable telescopic wind barrier strips and a plurality of the transversely movable telescopic wind barrier strips, and the shapes of the air inlets formed in different wind-resistant areas may be different.
[0018] The present invention also provides a method for implementing a bridge wind barrier capable of changing the shape and porosity of an air inlet, the method comprising the following steps:
[0019] S1. According to the wind resistance requirements of bridges in different wind zones, the sizes of aluminum alloy frames, longitudinal movable telescopic wind barriers and transverse movable telescopic wind barriers are customized;
[0020] S2, detecting the wind direction and wind speed in real time and calculating the wind-resistant porosity most suitable for the current wind environment, and transmitting the result signal to the control system, wherein the control system adjusts the positions of the two ends of the longitudinally movable telescopic wind barrier strip on the aluminum alloy frame and the positions of the two ends of the transversely movable telescopic wind barrier strip on the aluminum alloy frame;
[0021] S3. In strong winds or extreme special environments, the transversely movable and retractable wind barrier strips inside the barrier strip storage room are called up, and the number of the transversely movable and retractable wind barrier strips outside the barrier strip storage room is changed through the control system.
[0022] The beneficial effects of the present invention are:
[0023] The present invention provides a bridge wind-resistant barrier with changeable shape and porosity of air inlet and an implementation method thereof. By changing the positions of longitudinally movable telescopic wind barrier strips and transversely movable telescopic wind barrier strips on an aluminum alloy frame, the shape and porosity of the air inlet can be changed. This can better balance the relationship between wind-blocking efficiency and aerodynamic resistance, provide sufficient wind-blocking effect, avoid excessive aerodynamic resistance load on the bridge, and improve the wind-resistant performance of the bridge.
[0024] Furthermore, by setting up a barrier strip storage room, in a strong wind environment, the number of transversely movable retractable wind barrier strips outside the barrier strip storage room can be changed by calling upon the transversely movable retractable wind barrier strips inside the barrier strip storage room, thereby further reducing the porosity of the wind barrier, enhancing the wind resistance of the bridge, and reducing the adverse effects of extreme weather on the bridge structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 A schematic diagram of the three-dimensional structure of a bridge wind barrier with changeable air inlet shape and porosity provided by an embodiment of the present invention;
[0026] Figure 2 for Figure 1 A schematic diagram of the partially enlarged structure at center A;
[0027] Figure 3 for Figure 1 A schematic diagram of the partially enlarged structure at B in the middle;
[0028] Figure 4 A schematic perspective structural diagram of a movable and retractable wind barrier strip of a bridge wind barrier capable of changing the shape and porosity of an air inlet provided by an embodiment of the present invention;
[0029] Figure 5 A perspective structural schematic diagram of a movable and retractable wind barrier strip of a bridge wind barrier capable of changing the shape and porosity of an air inlet provided by another embodiment of the present invention;
[0030] Figure 6 A schematic diagram of the exploded view of the parts during the assembly of the movable and retractable wind barrier strips and sliders of the bridge wind barrier capable of changing the shape and porosity of the air inlet provided by one embodiment of the present invention;
[0031] Figure 7 A schematic perspective structural diagram of a bridge wind barrier capable of changing the shape and porosity of an air inlet provided by an embodiment of the present invention;
[0032] Figure 8 A schematic diagram of the three-dimensional structure of a bridge wind barrier with changeable air inlet shape and porosity provided in another embodiment of the present invention.
[0033] in:
[0034] 1. Aluminum alloy frame; 2. Longitudinally movable and retractable wind barrier strips; 3. Laterally movable and retractable wind barrier strips; 4. Air inlet; 5. Longitudinal slide; 6. Horizontal slide; 7. Barrier strip storage room; 8. Slider; 9. Wind barrier strips; 10. End kit; 11. Connecting rod; 12. Cylindrical pin; 13. Double-sided rack; 14. Single-sided rack; 15. Gear; 16. Hole; 17. Axis pin; 18. Arc-shaped groove. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0036] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned herein, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.
[0037] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0038] like Figures 1 to 3As shown, a bridge wind barrier with changeable air inlet shape and porosity provided by an embodiment of the present invention is used for wind resistance, and is configured to include an aluminum alloy frame 1, longitudinally movable telescopic wind barrier strips 2 and transversely movable telescopic wind barrier strips 3, wherein the two ends of the longitudinally movable telescopic wind barrier strips 2 are respectively slidably inserted in the upper and lower ends of the aluminum alloy frame 1, and there are multiple longitudinally movable telescopic wind barrier strips 2, and the multiple longitudinally movable telescopic wind barrier strips 2 are arranged at equal intervals along the length direction of the aluminum alloy frame 1; the two ends of the transversely movable telescopic wind barrier strips 3 are respectively slidably inserted in the left and right ends of the aluminum alloy frame 1, and there are multiple transversely movable telescopic wind barrier strips 3, and the multiple transversely movable telescopic wind barrier strips 3 are arranged at equal intervals along the width direction of the aluminum alloy frame 1; any two adjacent transversely movable telescopic wind barrier strips 3 and any two adjacent longitudinally movable telescopic wind barrier strips 2 together surround an air inlet 4 whose shape can be changed.
[0039] Specifically in this embodiment, Figure 1 As shown, the aluminum alloy frame 1 is configured as a rectangular frame structure, the aluminum alloy frame 1 has a length direction and a width direction, the length direction of the aluminum alloy frame 1 extends in the horizontal direction, and the width direction of the aluminum alloy frame 1 extends in the vertical direction; in order to facilitate the longitudinally movable telescopic wind barrier strips 2 and the transversely movable telescopic wind barrier strips 3 to slide on the aluminum alloy frame 1, the bridge wind barrier with changeable air inlet shape and porosity is configured to also include two longitudinal slideways 5, two transverse slideways 6 and sliders 8 whose number is twice the total number of the longitudinally movable telescopic wind barrier strips 2 and the transversely movable telescopic wind barrier strips 3, as shown Figure 2 and Figure 3 As shown, the longitudinal slide 5 is inserted in parallel into the vertical inner wall of the aluminum alloy frame 1, and the transverse slide 6 is inserted in parallel into the transverse inner wall of the aluminum alloy frame 1, and both are connected to the aluminum alloy frame 1 by bolts or screws; the sliders 8 are grouped in pairs, and the two sliders 8 in the same group are respectively hinged at the two ends of the same longitudinal movable telescopic wind barrier strip 2 or the transverse movable telescopic wind barrier strip 3. For the longitudinal movable telescopic wind barrier strip 2, the sliders 8 at both ends are respectively slidably inserted into the transverse slides 6 located on the upper and lower sides; for the transverse movable telescopic wind barrier strip 3, the sliders 8 at both ends are respectively slidably inserted into the longitudinal slides 5 located on the left and right sides.
[0040] During use, by changing the positions of the longitudinally movable telescopic wind barrier strips 2 and the transversely movable telescopic wind barrier strips 3 on the aluminum alloy frame 1, the shape and porosity of the air inlet 4 can be changed, which can better balance the relationship between wind blocking efficiency and aerodynamic resistance, provide sufficient wind blocking effect, avoid excessive aerodynamic resistance load on the bridge, and improve the wind resistance of the bridge.
[0041] In a further embodiment, the longitudinal slide 5 and the transverse slide 6 are staggered in a direction perpendicular to the rectangular surface of the aluminum alloy frame 1, which not only helps to disperse the force, but also avoids mutual interference when sliding in different directions and failures caused by sliding conflicts, thereby improving the stability of the entire wind-resistant barrier structure and enabling it to more effectively resist external wind loads.
[0042] In some embodiments, the longitudinally movable telescopic wind barrier strip 2 and / or the transversely movable telescopic wind barrier strip 3 both have a wind barrier strip 9 and an end kit 10 respectively sleeved on both ends of the wind barrier strip 9, and a telescopic component is connected between the end kit 10 and the wind barrier strip 9, and the telescopic component is configured to enable the end kit 10 and the wind barrier strip 9 to be telescopically matched.
[0043] Specifically in this embodiment, Figure 4 As shown, the end kit 10 is configured as a plate-like structure with an arc-shaped end, the wind barrier strip 9 is configured as a strip-shaped plate-like structure, and the telescopic component can be configured to include six connecting rods 11 and six cylindrical pins 12, and the red numbers in the figure indicate the number of the connecting rods 11, and the blue numbers indicate the number of the cylindrical pins 12, wherein the first cylindrical pin 12 and the second cylindrical pin 12 are spaced apart along the width direction of the wind barrier strip 9 and fixedly inserted in the wind barrier strip 9, and the third cylindrical pin 12 and the fourth cylindrical pin 12 are spaced apart along the width direction of the wind barrier strip 9 and fixedly inserted in the end kit 10; one end of the first connecting rod 11 can be rotatably sleeved on the first cylindrical pin 12, and the other end is suspended; one end of the second ... The third connecting rod 11 is rotatably sleeved on the second cylindrical pin 12, and the other end is hinged to the suspended end of the first connecting rod 11 through the fifth cylindrical pin 12; one end of the third connecting rod 11 is rotatably sleeved on the second cylindrical pin 12, and the other end is suspended; one end of the fourth connecting rod 11 is rotatably sleeved on the fourth cylindrical pin 12, and the other end is hinged to the suspended end of the third connecting rod 11 through the sixth cylindrical pin 12; one end of the fifth connecting rod 11 is hinged to the second connecting rod 11, and the other end is hinged to the suspended end of the third connecting rod 11 through the sixth cylindrical pin 12; one end of the sixth connecting rod 11 is hinged to the third connecting rod 11, and the other end is hinged to the suspended end of the first connecting rod 11 through the fifth cylindrical pin 12.
[0044] More specifically, in order to facilitate the hinged connection between the slider 8 and the longitudinally movable telescopic wind barrier strip 2 or the transversely movable telescopic wind barrier strip 3, as shown in FIG. Figure 6As shown, the slider 8 is configured as a prism-shaped structure, and an arc-shaped groove 18 is opened on the top of the slider 8. The end piece 10 is configured to overlap and be inserted into the arc-shaped groove 18 at the time of installation. A hole 16 is opened at the end of the end piece 10 near the arc part. The bridge wind barrier that can change the shape and porosity of the air inlet is configured to also include axle pins 17 whose number is equal to that of the slider 8. The axle pins 17 are configured to be inserted into the holes 16 and the arc-shaped groove 18 at the time of installation to realize the rotational connection between the slider 8 and the longitudinally movable telescopic wind barrier strip 2 or the transversely movable telescopic wind barrier strip 3.
[0045] During use, when the length of the longitudinally movable telescopic wind barrier strip 2 or the transversely movable telescopic wind barrier strip 3 changes, all the connecting rods 11 can move synchronously to achieve the extension and retraction of the longitudinally movable telescopic wind barrier strip 2 or the transversely movable telescopic wind barrier strip 3.
[0046] In a further embodiment, the first to fourth cylindrical pins 12 may be connected to the end piece 10 and the wind barrier strip 9 by bolts or welding.
[0047] In other embodiments, the telescopic assembly can also be configured to include two bilateral racks 13, four gears 15 and four unilateral racks 14, the bilateral racks 13 extending along the length direction of the wind barrier strip 9, and the two bilateral racks 13 are fixed and symmetrically arranged at the ends of the wind barrier strip 9; the unilateral rack 14 extends along the length direction parallel to the wind barrier strip 9, the four unilateral racks 14 are divided into two groups, the two groups are symmetrically and fixedly arranged inside the end kit 10, and the two unilateral racks 14 of the same group are arranged at intervals; the gear 15 is inserted into the end kit 10, and can rotate on its own, and can slide along the length direction of the wind barrier strip 9, the four gears 15 are divided into two groups, the two groups are symmetrically arranged inside the end kit 10, the two gears 15 of the same group are arranged at intervals, and each of them is meshed with the unilateral teeth of the bilateral rack 13 and one of the unilateral racks 14 of the same group.
[0048] During use, when the length of the longitudinally movable telescopic wind barrier strip 2 or the transversely movable telescopic wind barrier strip 3 changes, the wind barrier strip 9 drives the double-sided rack 13 to move inward or outward synchronously, and the double-sided rack 13 synchronously drives the gear 15 to move inward or outward while rotating.
[0049] In other embodiments, the wind barrier strips 9 are made of carbon fiber composite material (CFRP), so as to have the advantages of light weight, high strength and corrosion resistance.
[0050] In other embodiments, the bridge wind barrier with changeable air inlet shape and porosity is configured to also include an adjustment mechanism, which is configured to be able to adjust the angle between the longitudinally movable telescopic wind barrier strip 2 and the vertical line, and the angle between the transversely movable telescopic wind barrier strip 3 and the horizontal line according to different wind environments, so as to achieve adjustment of the shape and porosity of the air inlet 4.
[0051] In a further embodiment, the adjustment mechanism is configured to include a sensing part and an adjustment part, the sensing part is configured to sense the physical parameters of the wind environment; the adjustment part is configured to adjust the positions of both ends of the longitudinally movable telescopic wind barrier strip 2 on the aluminum alloy frame 1 and the positions of both ends of the transversely movable telescopic wind barrier strip 3 on the aluminum alloy frame 1 according to the physical parameters of the wind environment.
[0052] In a further embodiment, the sensing portion is configured to include a wind environment detection device, and the wind environment detection device is configured to be able to sense the wind direction, wind speed and wind attack angle of the wind environment.
[0053] More specifically, in order to facilitate the precise control of the moving position of the slider 8, the sensing portion is configured to also include positioning sensors whose number is equal to the slider 8, and the positioning sensors are configured to be inserted into the slider 8 in a one-to-one correspondence during installation.
[0054] In other embodiments, the adjustment part can be configured to include four racks and drive motors whose number is equal to the slider 8. The racks are configured to be parallel to each other and fixedly inserted in the longitudinal slide 5 and the transverse slide 6 during installation. The drive motors are configured to be fixed to the slider 8 one by one during installation, and a spur gear is fixedly sleeved on the motor shaft of each drive motor. The spur gear and the corresponding rack are meshed, so that when the motor shaft of the drive motor is driven, the corresponding slider 8 is driven to slide in the longitudinal slide 5 or the transverse slide 6 through the meshing between the spur gear and the rack, thereby changing the position of the slider 8, the rotation angle and the telescopic length of the transversely movable telescopic wind barrier strip 3 and the longitudinally movable telescopic wind barrier strip 2, and changing the shape of the air inlet 4 to any quadrilateral such as a square, rectangle, parallelogram, rhombus and trapezoid, and at the same time changing the porosity.
[0055] In some other embodiments, a barrier strip storage chamber 7 is provided on the aluminum alloy frame 1 , and a plurality of transversely movable and retractable wind barrier strips 3 are inserted in the barrier strip storage chamber 7 .
[0056] Specifically in this embodiment, Figure 1 and Figure 7 As shown, the barrier strip storage chamber 7 is configured as a box structure with an open top and is fixed to the bottom of the aluminum alloy frame 1 .
[0057] During use, when it is necessary to adjust the shape or porosity of the air inlet 4, the laterally movable telescopic wind barrier strip 3 in the barrier strip storage chamber 7 can be taken out or retracted, and the distance between the end of the laterally movable telescopic wind barrier strip 3 and the upper lateral slideway 6 of the aluminum alloy frame 1 can be changed to meet the requirements of different wind environments. In a strong wind environment, the laterally movable telescopic wind barrier strip 3 inside the barrier strip storage chamber 7 can be called to change the number of laterally movable telescopic wind barrier strips 3 outside the barrier strip storage chamber 7, further reducing the porosity of the wind-resistant barrier and enhancing the wind resistance of the bridge, and reducing the adverse impact of extreme weather on the bridge structure.
[0058] In a further embodiment, when the end of the longitudinal slideway 5 extends deep into the barrier strip storage chamber 7, it is set to a straight, L-shaped or U-shaped structure to maximize space utilization and effectively store more laterally movable telescopic wind barrier strips 3.
[0059] In other embodiments, the width of the laterally movable telescopic wind barrier strip 3 inside the barrier strip storage chamber 7 is 1 / 2 of the width of the laterally movable telescopic wind barrier strip 3 outside the barrier strip storage chamber 7, which is convenient for the movable storage of the laterally movable telescopic wind barrier strip 3.
[0060] It can be understood that the width of the laterally movable telescopic wind barrier strip 3 inside the barrier strip storage chamber 7 can also be set according to the wind resistance requirements of the bridge under different wind conditions.
[0061] In some other embodiments, the aluminum alloy frame 1 has an even number of independently arranged wind-resistant regions, and a plurality of longitudinally movable telescopic wind barrier strips 2 and a plurality of laterally movable telescopic wind barrier strips 3 are inserted in each wind-resistant region, and the shapes of the air inlets 4 formed in different wind-resistant regions can be different.
[0062] Specifically, in this embodiment, taking the number of wind-resistant regions being set to four as an example, as Figure 8 shown, the aluminum alloy frame 1 forms a "field" - shaped structure, and five longitudinally movable telescopic wind barrier strips 2 and four laterally movable telescopic wind barrier strips 3 are inserted in each wind-resistant region.
[0063] During use, according to different wind environments, the porosity and the shape of the air inlet 4 in each wind-resistant region can be further adjusted, so as to improve the applicability of the bridge wind-resistant barrier that can change the shape and porosity of the air inlet.
[0064] Another embodiment of the present invention also provides an implementation method for a bridge wind-resistant barrier that can change the shape and porosity of the air inlet. The implementation method for a bridge wind-resistant barrier that can change the shape and porosity of the air inlet is set to include the following steps:
[0065] S1. Customize the sizes of the aluminum alloy frame 1 and the wind barrier strip 9 according to the wind resistance requirements of bridges in different wind regions;
[0066] Specifically, a single large-sized wind barrier can be used and stably installed on the bridge through a supporting structure; or multiple small wind barriers can be flexibly deployed, tightly connected to the supporting structure using connectors, and distributed at key positions on the bridge.
[0067] S2, real-time detection of wind direction and wind speed and calculation of the wind-resistant porosity most suitable for the current wind environment, and transmission of the result signal to the control system, which adjusts the positions of the two ends of the longitudinally movable telescopic wind barrier strip 2 on the aluminum alloy frame 1 and the positions of the two ends of the transversely movable telescopic wind barrier strip 3 on the aluminum alloy frame 1;
[0068] Specifically, the wind direction and wind speed are detected in real time by the wind environment detection device, and the wind resistance porosity most suitable for the current wind environment is calculated. The result signal is transmitted to the positioning sensor set inside each slider 8, and the distance x1, x2, ... x2 between the upper and lower ends of the longitudinally movable telescopic wind barrier strip 2 and the longitudinal slideway 5 on the left edge of the aluminum alloy frame 1 is changed by sliding the slider 8. n and x'1, x'2...x' n , the distances y1, y2, ... y between the left and right ends of the transversely movable telescopic wind barrier strip 3 and the transverse slideway 6 on the upper edge of the aluminum alloy frame 1 n and y'1, y'2...y' n , so as to achieve the change of the shape and porosity of the air inlet 4.
[0069] S3. In strong winds and extreme special environments, the transversely movable and retractable wind barrier strips 3 inside the barrier strip storage chamber 7 are called up, and the number of the transversely movable and retractable wind barrier strips 3 outside the barrier strip storage chamber 7 is changed through the control system to reduce the porosity of the wind-resistant barrier.
[0070] Specifically, by calling the transversely movable and retractable wind barrier strips 3 inside the barrier strip storage chamber 7, the porosity of the wind barrier can be greatly reduced, the wind resistance of the bridge can be enhanced, and the adverse effects of extreme weather on the bridge structure can be reduced.
[0071] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0072] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.
Claims
1. A bridge wind barrier with changeable air inlet shape and porosity, characterized in that: The bridge wind barrier capable of changing the shape and porosity of the air inlet comprises: Aluminum alloy frame; A longitudinally movable telescopic wind barrier strip, the two ends of which are respectively slidably inserted into the upper and lower ends of the aluminum alloy frame, and the number of the longitudinally movable telescopic wind barrier strips is multiple, and the multiple longitudinally movable telescopic wind barrier strips are arranged at equal intervals along the length direction of the aluminum alloy frame; A transversely movable telescopic wind barrier strip, wherein both ends of the transversely movable telescopic wind barrier strip are respectively slidably inserted into the left and right ends of the aluminum alloy frame. There are multiple transversely movable telescopic wind barrier strips, and the multiple transversely movable telescopic wind barrier strips are evenly arranged along the width direction of the aluminum alloy frame; any two adjacent transversely movable telescopic wind barrier strips and any two adjacent longitudinally movable telescopic wind barrier strips together surround an air inlet with a changeable shape.
2. The bridge wind barrier with changeable air inlet shape and porosity according to claim 1, characterized in that: The longitudinally movable telescopic wind barrier strip and / or the transversely movable telescopic wind barrier strip both have a wind barrier strip and an end kit respectively sleeved on both ends of the wind barrier strip, a telescopic component is connected between the end kit and the wind barrier strip, and the telescopic component is configured to enable the end kit and the wind barrier strip to be telescopically matched.
3. The bridge wind barrier with changeable air inlet shape and porosity according to claim 2 is characterized in that: The telescopic assembly includes six connecting rods and six cylindrical pins, wherein the first cylindrical pin and the second cylindrical pin are spaced apart along the width direction of the wind barrier strip and fixedly inserted in the wind barrier strip, and the third cylindrical pin and the fourth cylindrical pin are spaced apart along the width direction of the wind barrier strip and fixedly inserted in the end head kit; one end of the first connecting rod can be rotatably sleeved on the first cylindrical pin, and the other end is suspended; one end of the second connecting rod can be rotatably sleeved on the third cylindrical pin, and the other end is connected to the third cylindrical pin through the fifth cylindrical pin and the suspended end of the first connecting rod. The ends are hinged; one end of the third connecting rod is rotatably sleeved on the second cylindrical pin, and the other end is suspended; one end of the fourth connecting rod is rotatably sleeved on the fourth cylindrical pin, and the other end is hinged to the suspended end of the third connecting rod through the sixth cylindrical pin; one end of the fifth connecting rod is hinged to the second connecting rod, and the other end is hinged to the suspended end of the third connecting rod through the sixth cylindrical pin; one end of the sixth connecting rod is hinged to the third connecting rod, and the other end is hinged to the suspended end of the first connecting rod through the fifth cylindrical pin.
4. The bridge wind barrier with changeable air inlet shape and porosity according to claim 2, characterized in that: The telescopic assembly includes two double-sided racks, four gears and four single-sided racks. The double-sided racks extend along the length direction of the wind barrier strip, and the two double-sided racks are fixed and symmetrically arranged at the ends of the wind barrier strip; the single-sided rack extends along the length direction of the wind barrier strip and can slide along the length direction of the wind barrier strip. The four single-sided racks are divided into two groups, and the two groups are symmetrically arranged inside the end head kit, and the two single-sided racks in the same group are arranged at intervals; the gears are inserted into the end head kit and can rotate on their own. The four gears are divided into two groups, and the two groups are symmetrically arranged inside the end head kit, and the two gears in the same group are arranged at intervals, and each of them is meshed with the single-sided teeth of the double-sided rack and one of the single-sided racks in the same group.
5. The bridge wind barrier with changeable air inlet shape and porosity according to claim 1, characterized in that: The bridge wind barrier with changeable air inlet shape and porosity also includes an adjustment mechanism, which is configured to adjust the angle between the longitudinally movable telescopic wind barrier strips and the vertical line, and the angle between the transversely movable telescopic wind barrier strips and the horizontal line according to different wind environments, so as to achieve adjustment of the shape and porosity of the air inlet.
6. The bridge wind barrier with changeable air inlet shape and porosity according to claim 5, characterized in that: The adjustment mechanism includes a sensing part and an adjustment part, the sensing part is configured to sense the physical parameters of the wind environment; the adjustment part is configured to adjust the positions of both ends of the longitudinally movable telescopic wind barrier strip on the aluminum alloy frame and the positions of both ends of the transversely movable telescopic wind barrier strip on the aluminum alloy frame according to the physical parameters of the wind environment.
7. The bridge wind barrier with changeable air inlet shape and porosity according to claim 6, characterized in that: The sensing unit includes a wind environment detection device, and the wind environment detection device is configured to sense the wind direction, wind speed and wind attack angle of the wind environment.
8. The bridge wind barrier with changeable air inlet shape and porosity according to claim 1, characterized in that: The aluminum alloy frame is provided with a barrier strip storage chamber, in which a plurality of the transversely movable and retractable wind barrier strips are inserted.
9. The bridge wind barrier with changeable air inlet shape and porosity according to claim 1, characterized in that: The aluminum alloy frame has an even number of independently set wind-resistant areas, each of which is equipped with a plurality of longitudinally movable telescopic wind barrier strips and a plurality of transversely movable telescopic wind barrier strips, and the shapes of air inlets formed in different wind-resistant areas may be different.
10. A method for implementing a bridge wind barrier capable of changing the shape and porosity of an air inlet, characterized in that: The implementation method of the bridge wind barrier capable of changing the shape and porosity of the air inlet comprises the following steps: S1. According to the wind resistance requirements of bridges in different wind zones, the sizes of aluminum alloy frames, longitudinal movable telescopic wind barriers and transverse movable telescopic wind barriers are customized; S2, detecting the wind direction and wind speed in real time and calculating the wind-resistant porosity most suitable for the current wind environment, and transmitting the result signal to the control system, wherein the control system adjusts the positions of the two ends of the longitudinally movable telescopic wind barrier strip on the aluminum alloy frame and the positions of the two ends of the transversely movable telescopic wind barrier strip on the aluminum alloy frame; S3. In strong winds or extreme special environments, the transversely movable and retractable wind barrier strips inside the barrier strip storage room are called up, and the number of the transversely movable and retractable wind barrier strips outside the barrier strip storage room is changed through the control system.