CN111705697A - Wind-resistant traffic sign board and installation method thereof - Google Patents
Wind-resistant traffic sign board and installation method thereof Download PDFInfo
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- CN111705697A CN111705697A CN202010542376.0A CN202010542376A CN111705697A CN 111705697 A CN111705697 A CN 111705697A CN 202010542376 A CN202010542376 A CN 202010542376A CN 111705697 A CN111705697 A CN 111705697A
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
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Abstract
The invention relates to a wind-resistant traffic sign board and an installation method thereof. The invention comprises a signboard board, an angle conversion component and a signboard vertical beam. The signboard board comprises a plurality of blades with inclination angles arranged side by side, the edge of each blade is provided with a folded edge, and the arrangement directions of the blades side by side can be selected to be transversely arranged or vertically arranged; two front arms of the angle conversion component are riveted with the blades, and two rear arms of the angle conversion component are riveted with the vertical beam of the signboard; the surface of the blade is provided with a retro-reflection layer. According to the invention, the air flow is guided to pass through the signboard through the gaps among the blades with the inclination angles, so that the wind area of the board plate of the signboard is greatly reduced, the wind load borne by the board plate is further reduced, and the wind resistance of the signboard is improved. The wind-resistant traffic sign board formed by the blades with the inclination angles is designed to reduce wind pressure borne by the board plate, reduce bending damage of wind to the board plate of the traffic sign board and inclination damage of the board frame, prolong the service life, reduce the construction and maintenance cost of the traffic sign board and reduce the expenditure of manpower and material resources.
Description
Technical Field
The invention belongs to the technical field of road traffic facilities, and relates to a wind-resistant traffic sign board and an installation method thereof. In particular to a traffic sign board which uses a plurality of blades arranged side by side as a sign board bottom board to improve wind resistance stability.
Background
With the rapid development of the world economy, the global modernization process is not slow. The highway is honored as a bridge that the country moves towards modernization, is the must way of developing modern traffic industry. Among them, the traffic sign is known as a "highway beacon" and is an important facility for introducing road traffic information and guaranteeing road traffic safety. The traffic sign board solves the problem that the use function of the traffic sign board is influenced because the board is easily bent and damaged by strong wind or even the board frame is inclined and damaged in the process of highway construction, meets the requirements of economy, wind resistance stability, vision friendliness (visibility) and the like, prolongs the service life, reduces the maintenance cost, and continuously develops and innovates the structural form of the traffic sign board.
The traditional traffic sign board has a large windward side, needs to bear a large wind load, has insufficient wind resistance, has the defects of short replacement period, high maintenance cost and the like, and wastes a large amount of resources. It is worth mentioning that, for the traffic sign board adopting the cantilever type structure, the board surface bears too much wind load, which causes the cantilever beam to bear too much bending moment and the upright post to bear too much torque, so that the size of the beam and the upright post needs to be increased in design to meet the requirement of bearing capacity, thereby causing the waste of materials and energy. Therefore, the design of the blades of the wind-resistant traffic signboard consisting of the blades with the inclination angles guides airflow to pass through the signboard through the gaps among the blades with the inclination angles, so that the wind-receiving area of the signboard board is greatly reduced, the wind load borne by the board is further reduced, the bending damage of wind to the signboard board of the traffic signboard and the inclination damage of the signboard frame are reduced, and the wind resistance of the signboard is improved. The traffic sign board plate provided by the invention consists of a plurality of blades with inclination angles which are arranged side by side, and is simple in structure, safe, reliable, excellent in performance and durable. The method has strong adaptability particularly in regions with flat terrain and large influence of wind load on the stability of the signboard, such as offshore sea surface, island, coast and the like.
Disclosure of Invention
The invention aims to provide a wind-resistant traffic sign board and an installation method thereof. The air flow is guided to pass through the signboard through the gaps among the blades with the inclination angles, so that the wind-receiving area of the signboard board is greatly reduced, the wind load borne by the board is further reduced, the bending damage of wind to the traffic signboard board and the inclination damage of the board frame are reduced, and the wind resistance of the signboard is improved.
The invention relates to a wind-resistant traffic signboard, which comprises a signboard board, an angle conversion component and a signboard vertical beam. The signboard board comprises a plurality of blades with inclination angles arranged side by side, the edge of each blade is provided with a folded edge, and the arrangement direction of the blades side by side can be selected to be transversely arranged or vertically arranged; two front arms of the angle conversion component are riveted with the blades, and two rear arms of the angle conversion component are riveted with the vertical beam of the signboard; the surface of the blade is provided with a retro-reflection layer. The two front arms and the two rear arms of the angle conversion member are connected by the side plates of the two angle conversion members. Each blade is provided with two or more angle conversion members. According to the basic wind pressure and the ground roughness parameter of the traffic sign board installation area, the design wind pressure of the sign board is determined based on the design required size and the design installation height of the sign board: the design wind pressure satisfies the following relation: w ═ gammaw×βz×μs×μz×w0Wherein w is the design wind pressure of the signboard, gammawLoad division factor for wind load, βzTaking the wind vibration coefficient mu at the top height of the plate of the signboardsIs the body form factor of the wind load, muzIs the wind pressure height variation coefficient, w, of the top height of the signboard0The basic wind pressure of the ground.
The blade size of the vertical blade arrangement signboard and the size of the signboard meet the following relationship: b ═ nyp×byp× cos (α), wherein B is the width of the signboard board and nypNumber of blades, bypα is the angle of inclination of the blade, the size of the blade of the marker plate arranged transversely to the blade satisfies the following relation H ═ nyp×byp× cos (α), wherein H is the length of the signboard board, and when the vane is vertically arranged, the inclination angle of the vane is defined as the vaneThe included angle between the sheet and the horizontal direction of the signboard surface takes the clockwise inclination angle on the top view of the signboard as the positive direction. If the signboard is arranged on the right side of the road, the blade inclination angle is in the range of 0-15 degrees; if the signboard is arranged on the left side of the road, the blade inclination angle is in the range of-15 degrees to 0 degrees; if the sign is installed in the middle of a road, the blade inclination angle is in the range of-15 degrees to 15 degrees. When the blades are transversely arranged, the inclination angle of the blades is defined as the included angle between the blades and the horizontal direction of the signboard surface, the clockwise inclination angle on the left view of the signboard is taken as the positive direction, and the inclination angle of the blades is in the range of 0-15 degrees. The traffic sign board penetrates through a sliding bolt through a sliding groove structure of the sign board vertical beam to be connected with the cross beam.
The conduction sequence of the wind load is as follows: the signboard board (blade), the signboard angle conversion component, the signboard vertical beam, the signboard cross beam component, the signboard upright post component, the signboard embedded foundation and the ground. The blade bears the pressure caused by wind load, the angle conversion components share and bear the pressure transmitted by the blade, and the vertical beam of the signboard bears the pressure transmitted by the angle conversion components. The force transmitted to the angle conversion member when the blades are vertically arranged satisfies the following relationship: fyp-zh＝w×H×b×cos(α)/nzh(ii) a Wherein n iszhThe number of conversion members connected for each blade. The force transmitted to the angle conversion member when the blades are arranged laterally satisfies the following relationship: fyp-zh＝w×B×b×cos(α)/nzh(ii) a Regardless of the arrangement of the blades, the force imparted by the angle conversion member to the sign upright satisfies the following relationship: fzh-ll＝nyp×Fyp-zh。
The length and the width of the projection of the angle conversion component on the blade are smaller than the width and the length of the blade in the corresponding direction. The anchoring strength of the rivet should be greater than the strength of the signboard panel, the angle conversion member and the vertical beam. The number of the rivets on each connecting surface is preferably two or more, and the rivets are uniformly distributed on the connecting surface.
The signboard board, the angle conversion component and the signboard vertical beam are made of light high-strength materials.
The retro-reflection layer is made of a reflective film.
The installation method of the wind-resistant traffic sign board comprises the following steps:
step one, prefabricating in a factory: adhering a retro-reflection layer on the surface of the blade; the pasting work flow of the retro-reflecting layer is sequentially to carve a reflecting film, paste a transfer film on the surface, tear off redundant parts except the content of the signboard, design according to the size and the visual angle of the blade, cut and cut, finally, align the transfer film to the place to be pasted of each blade of the traffic signboard to compress tightly, and tear off the transfer film. On the premise of ensuring the visibility of the surface of the signboard, the surface of the signboard is cut in strips and stuck on the surface of the board of the signboard.
Step two, factory prefabrication: producing and processing blades and angle conversion components; the blades are all provided with folded edges, and the folding process is completed through a folding machine. The assembly work among the components adopts a welding mode to produce connection, and the materials are preferably steel. And the parameters of the number and the width of the blades are rounded, so that the errors of component production and assembly construction are reduced. Meanwhile, the production length of the proper blade and the upright beam is selected according to the production condition and the transportation and installation condition of the factory machine tool.
Step three, prefabrication in factories: the blade is fixedly connected with the signboard angle conversion component.
Step four, field installation: the connecting angle conversion component is fixedly connected with the vertical beam; if the blades are transversely arranged side by side, the angle conversion component and the vertical beam are fixedly connected and prefabricated in a factory, and the construction time of the site is saved. If the blades are arranged side by side in the vertical direction, the whole size is large if the angle conversion component and the fixed connection work of the vertical beam are prefabricated in a factory, and the fixed connection work of connecting the angle conversion component and the vertical beam of the signboard is finished by selecting field installation for saving transportation cost.
According to the invention, the air flow is guided to pass through the signboard through the gaps among the blades with the inclination angles, so that the wind area of the board plate of the signboard is greatly reduced, the wind load borne by the board plate is further reduced, and the wind resistance of the signboard is improved. The wind-resistant traffic sign board formed by the blades with the inclination angles is designed to reduce the wind pressure borne by the board, reduce the bending damage of wind to the board of the traffic sign board and the inclination damage of the board frame, prolong the service life of the traffic sign board, reduce the construction and maintenance cost of the traffic sign board and reduce the expenditure of manpower and material resources.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the angle changing member of FIG. 1;
FIG. 3 is another structural schematic view of the angle change member of FIG. 1;
FIG. 4 is a schematic structural view of a preferred embodiment of the present invention;
fig. 5 is a schematic view of a partial installation structure of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a wind-resistant traffic signboard includes a signboard board, an angle conversion member, and a signboard upright beam. The signboard panel comprises a plurality of blades with inclination angles arranged side by side. The edge of each blade is provided with a folded edge. The side-by-side arrangement direction of the blades can be selected to be transversely arranged or vertically arranged. The blade 1 is connected with the vertical beam 3 of the signboard through an angle conversion component 2, and the surface of the blade is provided with a retro-reflection layer. The connection of the blade 1 to the angle conversion member 2 is achieved by riveting the two front arms 2a of the angle conversion member to the blade 1, and the connection of the angle conversion member 2 to the signboard upright beam 3 is achieved by riveting the two rear arms 2b of the angle conversion member to the upright beam 3. Wherein the two front arms 2a and the two rear arms 2b of the angle conversion member are connected by side plates 2c of the two angle conversion members. Two or more angle conversion members should be provided for each blade. The length and width of the projection of the angle conversion member on the blade are smaller than the width and length of the corresponding direction of the blade. The anchoring strength of the rivet should be greater than the strength of the signboard panel, the angle conversion member and the vertical beam. The number of the rivets on each connecting surface is preferably two or more, the rivets are uniformly distributed on the connecting surface, and the rivet distance of the rivets and the maximum distance (distance) and the minimum distance (distance) from the rivet distance to the edge of the connecting surface meet the specification of the steel structure connecting rivets.
According to the basic wind pressure and ground roughness parameters of the traffic sign installation area, based on the design required size and the design installation height of the sign,and determining the design wind pressure of the signboard. The calculation formula of the designed wind pressure is as follows: w ═ gammaw×βz×μs×μz×w0Wherein w is the design wind pressure of the signboard, gammawLoad division factor for wind load, βzTaking the wind vibration coefficient mu at the top height of the plate of the signboardsIs the body form factor of the wind load, muzIs the wind pressure height variation coefficient, w, of the top height of the signboard0The basic wind pressure of the ground. Dimensions include length, width, thickness, etc. of the traffic sign member;
the type of the traffic sign and the materials of the sign coating, the sign board plate, the angle conversion component and the sign vertical beam are selected according to the design service life and the load condition of the traffic sign. The structural types of the signboard do not influence the stress and the use of the signboard surface, and the structural types applied in the invention include single-column type, single-cantilever type, double-cantilever type, portal type and the like.
The materials of the signboard board, the angle conversion component and the signboard vertical beam can be selected from aluminum alloy plates, thin steel plates, synthetic resin plates and other light high-strength materials. The material of the signboard coating can be selected from a reflective film or other material capable of realizing retroreflection. The component material is selected according to the problem of durability of certain special areas, such as deserts and coastal areas; according to the orientation of the traffic sign board, on the premise of meeting the working visual effect (visibility) of the traffic sign board, the direction (horizontal arrangement or vertical arrangement) and the size (number) of the inclination angle of the blades are determined, so that the efficiency of the airflow passing through the sign board is highest. The blade size of the vertical blade arrangement signboard and the size of the signboard meet the following relationship: b ═ nyp×byp× cos (α), wherein B is the width of the signboard board and nypNumber of blades, bypα is the angle of inclination of the blade, the size of the blade of the marker plate arranged transversely to the blade satisfies the following relation H ═ nyp×byp× cos (α), wherein H is the length of the signboard panel.
Due to cost considerations, no one specific blade pitch size or number can be recommended as an optimal configuration parameter from an overall perspective: the wind load decreases with increasing blade pitch and increasing number of blades, but the construction cost of the signboard also increases. Wherein, the working visual effect (visibility) of the traffic sign is designed on the premise of ensuring that drivers on the road can clearly see the content of the traffic sign, and vehicles on the road look up the visual effect diagram of the traffic sign, as shown in fig. 4;
the visual effect (visibility) of the traffic sign can determine the direction and the inclination angle of the vane of the sign board by recognizing the content of the sign board in the range of 30 meters to 110 meters of a driver or a pedestrian away from the sign board and 15 degrees to 15 degrees. Wherein the inclination angle is preferably selected within a range of-15 degrees to ensure the visibility of the signboard.
The traffic sign board mainly bears self gravity load and wind load. The calculation of wind load is an important step for determining the size and strength of the components of the signboard. If the size or the strength is smaller, the traffic sign board is bent and damaged by strong wind and the inclined board frame is damaged to influence the use function of the traffic sign board; if the size or strength is too large, it will cause waste of material and increase of cost.
The plate surface of the traffic sign plate is different from the plate surface of the traditional traffic sign plate in form, and the design of the traditional traffic sign plate does not relate to a blade component and an angle conversion component, so the force transmission mode is different from that of the traditional sign plate, and the traffic sign plate can not be designed by using the calculation method of the traditional sign plate.
As shown in fig. 5, the traffic sign board is connected with the cross beam by passing a sliding bolt through a chute structure of the vertical beam. Wherein, the conduction order of wind load is: the signboard board (blade 1), the signboard angle conversion component 2, the signboard vertical beam 3, the signboard cross beam component 4, the signboard upright column component, the signboard embedded foundation and the ground.
When the overall stress is calculated, the blade 1 bears the pressure caused by the wind load, the angle conversion members 2 share the pressure transmitted by the blade, and the vertical beam 3 bears the pressure transmitted by the angle conversion members. The force imparted to the angle transformation member when the blades are vertically arranged may be taken to be approximately: fyp-zh＝w×H×b×cos(α)/nzh(ii) a Wherein n iszhThe number of conversion members connected for each blade. The force transmitted to the angle conversion member when the blades are arranged laterally satisfies the following relationship: fyp-zh＝w×B×b×cos(α)/nzh(ii) a Regardless of the arrangement of the blades, the force that the angle transformation member imparts to the vertical beam may be taken to be approximately: fzh-ll＝nyp×Fyp-zh。
The design value of the wind load is obtained by multiplying the wind load designed by the traditional traffic sign board by a reduction coefficient psi of 0.7-1.0. The specific reduction coefficient value needs to be determined strictly according to methods such as wind tunnel experiments or FCD numerical simulation. Specifically, the reduction coefficient psi can be selected as rMT、rMW、rFT、rFWAnd (4) carrying out isoparametric representation.
Wherein r isMTThe ratio of the total bending moment at the connecting point of the upright post and the ground of the signboard to the total bending moment at the connecting point of the upright post and the ground of the traditional signboard, rMWIs the ratio of the bending moment caused by the force vertical to the windward side at the connecting point of the upright post and the ground of the signboard to the bending moment caused by the force vertical to the windward side at the connecting point of the ground, rFTThe ratio of the resultant force at the connecting point of the upright post and the ground of the signboard to the resultant force at the connecting point of the upright post and the ground of the traditional signboard, rFWThe vertical force of the windward side of the column and the ground connecting point of the signboard is in a ratio to the vertical force of the windward side of the column and the ground connecting point of the traditional signboard.
The production and installation method of the traffic sign specifically comprises the following steps:
step one, prefabricating in a factory: adhering a retroreflective material to the surface of the blade; the general sticking work flow of the retroreflective material comprises the steps of carving a reflective film, sticking a transfer film on the surface, tearing off the redundant parts except the content of the signboard, designing according to the size and the visual angle of the blade, cutting and cutting, aligning the transfer film to the place of the traffic signboard where each blade is to be stuck, pressing tightly, and tearing off the transfer film. It should be noted that, in view of reducing the cost, improving the production efficiency, and realizing the industrial flow line production, efficient manufacturing processes such as an electrographic film process and a digital printing process may be preferentially selected. On the premise of ensuring the visibility of the surface of the signboard, the surface of the signboard is cut in strips and stuck on the surface of the board of the signboard.
Step two, factory prefabrication: producing and processing components such as blades, signboard angle conversion components and the like; the blades are all provided with folded edges, and the folding process can be completed through a folding machine. Welding is adopted for assembly of the components, steel is preferably used as the material, and aluminum alloy is avoided being used as a production material due to poor welding performance of the aluminum alloy. In the parameter determination of the number and the width of the blades, for actual engineering, the width of the blades and the number of the blades need to be rounded in parameter selection, and errors of component production and assembly construction can be controlled. And selecting the production length of the proper blade and signboard vertical beam according to the production condition and the transportation and installation condition of the factory machine tool.
Step three, prefabrication in factories: the blades are fixedly connected with the signboard angle conversion component; the blade and the angle conversion member are welded.
Step four, field installation: the angle conversion component is fixedly connected with the vertical beam of the signboard; if the blades are arranged side by side transversely, the fixed connection work of the angle conversion component and the vertical beam can be finished by prefabricating in a factory, and the construction time on site is saved. If the blades are arranged side by side in the vertical direction, the whole size is large if the angle conversion component and the vertical beam can be fixedly connected in a prefabricated mode in a factory, and in order to save the transportation cost, the fixed connection work of connecting the angle conversion component and the vertical beam can be preferably completed by field installation. The angle conversion component is welded with the vertical beam of the signboard.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. Wind-resistant trafficThe signboard, including signboard board, angle conversion component and signboard vertical beam; the method is characterized in that: the signboard board comprises a plurality of blades with inclination angles arranged side by side, the edge of each blade is provided with a folded edge, and the arrangement direction of the blades side by side can be selected to be transversely arranged or vertically arranged; two front arms of the angle conversion component are riveted with the blades, and two rear arms of the angle conversion component are riveted with the vertical beam of the signboard; a retro-reflection layer is arranged on the surface of the blade; the two front arms and the two rear arms of the angle conversion component are connected through the side plates of the two angle conversion components; each blade is provided with two or more angle conversion components; according to the basic wind pressure and the ground roughness parameter of the traffic sign board installation area, the design wind pressure of the sign board is determined based on the design required size and the design installation height of the sign board: the design wind pressure satisfies the following relation: w ═ gammaw×βz×μs×μz×w0Wherein w is the design wind pressure of the signboard, gammawLoad division factor for wind load, βzTaking the wind vibration coefficient mu at the top height of the plate of the signboardsIs the body form factor of the wind load, muzIs the wind pressure height variation coefficient, w, of the top height of the signboard0The basic wind pressure of the ground;
the blade size of the vertical blade arrangement signboard and the size of the signboard meet the following relationship: b ═ nyp×byp× cos (α), wherein B is the width of the signboard board and nypNumber of blades, bypα is the angle of inclination of the blade, the size of the blade of the marker plate arranged transversely to the blade satisfies the following relation H ═ nyp×byp× cos (α), wherein H is the length of the signboard board, when the vane is vertically arranged, the inclination angle of the vane is defined as the included angle between the vane and the horizontal direction of the signboard surface, the clockwise inclination angle on the plane view of the signboard is the positive direction, if the signboard is arranged on the right side of the road, the inclination angle of the vane is in the range of 0 to 15 degrees, if the signboard is arranged on the left side of the road, the inclination angle of the vane is in the range of-15 to 0 degrees, if the signboard is arranged in the middle of the road, the inclination angle of the vane is in the range of-15 to 15 degrees, and when the vane is transversely arranged, the vane is arrangedThe inclination angle is defined as the included angle between the blade and the horizontal direction of the signboard surface, the clockwise inclination angle on the left view of the signboard is taken as the positive direction, and the blade inclination angle is in the range of 0-15 degrees. The traffic sign board penetrates through a sliding bolt through a sliding groove structure of the sign board vertical beam to be connected with the cross beam;
the conduction sequence of the wind load is as follows: the method comprises the following steps of (1) making a signboard board (blade), a signboard angle conversion component, a signboard vertical beam, a signboard cross beam component, a signboard upright post component, a signboard embedded foundation and the ground; the blade bears the pressure caused by wind load, the angle conversion components share and bear the pressure transmitted by the blade, and the vertical beam of the signboard bears the pressure transmitted by the angle conversion components; the force imparted to the angle transformation member when the blades are vertically arranged is taken to be approximately: fyp-zh＝w×H×b×cos(α)/nzh(ii) a Wherein n iszhThe number of conversion members connected for each blade; the force transmitted to the angle conversion member when the blades are arranged laterally satisfies the following relationship: fyp-zh＝w×B×b×cos(α)/nzh(ii) a Regardless of the arrangement of the blades, the force imparted by the angle conversion member to the sign upright is taken to be approximately: fzh-ll＝nyp×Fyp-zh。
2. A method of installing a wind-resistant traffic sign according to claim 1, wherein: the method specifically comprises the following steps:
step one, prefabricating in a factory: adhering a retro-reflection layer on the surface of the blade; the pasting work flow of the retro-reflecting layer comprises the steps of carving a reflective film, pasting a transfer film on the surface, tearing off the redundant parts except the content of the signboard, designing according to the size and the visual angle of the blade, cutting and cutting, aligning the transfer film to the place of the traffic signboard where each blade is to be pasted, pressing tightly, and tearing off the transfer film; on the premise of ensuring the visibility of the surface of the signboard, the surface of the signboard is cut in strips and stuck on the surface of the signboard board;
step two, factory prefabrication: producing and processing blades and angle conversion components; the blades are all provided with folded edges, and the folding process is finished through a folding machine; the assembly work among the components adopts a welding mode to produce connection, and the materials are preferably steel; the parameters of the number and the width of the blades are rounded, so that the errors of component production and assembly construction are reduced; meanwhile, the production length of the proper blade and the proper vertical beam are selected according to the production condition and the transportation and installation condition of the factory machine tool;
step three, prefabrication in factories: the blades are fixedly connected with the signboard angle conversion component;
step four, field installation: the connecting angle conversion component is fixedly connected with the vertical beam; if the blades are arranged side by side in the transverse direction, the fixed connection work of the angle conversion member and the vertical beam is completed in a factory, so that the construction time of the site is saved; if the blades are arranged side by side in the vertical direction, the whole size is large if the angle conversion component and the fixed connection work of the vertical beam are prefabricated in a factory, and the fixed connection work of connecting the angle conversion component and the vertical beam of the signboard is finished by selecting field installation for saving transportation cost.
3. The wind-resistant traffic sign according to claim 1, wherein: the length and the width of the projection of the angle conversion component on the blade are smaller than the width and the length of the blade in the corresponding direction; the anchoring strength of the rivet is greater than the strength of the signboard board, the angle conversion component and the vertical beam; the number of the rivets on each connecting surface is preferably two or more, and the rivets are uniformly distributed on the connecting surface.
4. The wind-resistant traffic sign according to claim 1, wherein: the signboard board, the angle conversion component and the signboard vertical beam are made of light high-strength materials.
5. The wind-resistant traffic sign according to claim 1, wherein: the retro-reflection layer is made of a reflective film.
6. A method of installing a wind-resistant traffic sign according to claim 2, wherein: and in the step one, the sticking of the retroreflective layer selects an electric film-engraving process or a digital printing process.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115787545A (en) * | 2022-12-28 | 2023-03-14 | 深圳市创腾智能电子有限公司 | Pedestrian passageway gate infrared mounting bar structure and processing method |
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