CN203923929U - Road traffic paravent - Google Patents
Road traffic paravent Download PDFInfo
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- CN203923929U CN203923929U CN201420342061.1U CN201420342061U CN203923929U CN 203923929 U CN203923929 U CN 203923929U CN 201420342061 U CN201420342061 U CN 201420342061U CN 203923929 U CN203923929 U CN 203923929U
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- verge board
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- paravent
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- road traffic
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Abstract
The utility model is a kind of road traffic paravent, comprise framework, at least two verge boards in order to keep out the wind are housed in framework, verge board is rotating to be connected in framework, on verge board and/or framework, be provided with to limit the limit rotation structure that verge board rotates, verge board is laid along at least one direction, leaves to cushion the gap of axial force between at least one end of verge board and framework.Simple in structure, economic and practical, windproof effect is good, verge board can be according to different wind speed, automatically adjust the ventilative rate of paravent at blast under the unbalanced moment effect producing; When reducing wind speed, guaranteeing vehicle safety operation, guarantee the safety of windscreen structure and bridge construction.
Description
Technical field
The utility model relates to traffic safety equipment technical field, is specifically related to a kind of road traffic paravent.
Background technology
Along with the fast development of high-speed railway, because bullet train operation speed per hour is high, train axle is heavily tending towards lightweight, the train operational safety under beam wind effect highlights day by day.Under extreme crosswind effect, train aerodynamics performance worsens, and Aerodynamic Drag of Train, lift and lateral force increase sharply, and when serious, will cause derail or topple.In in December, 2005 and in September, 2006, there is respectively train that two cause strong wind the cause event of toppling in Japan's Shinkanson High Speed Train.In February, 2007, there is the major accident that 11 joint railway cars are turned in large wind in Xinjiang of China.2013, China's Beijing-Shanghai express railway also caused that vehicle is late, has stopped transport because of strong wind, and had caused tremendous economic loss and severe social influence.For this reason, the 178th regulation of China < < special line for passenger trains technical management way (trying) > >: during ambient wind velocity > 30m/s, forbid motor train unit train to enter Feng Qu.For this standard, many circuit regulations such as the Zheng Xi high ferro of China, river in Zhejiang Province temperature high ferro, Beijing-Shanghai express railway, when wind speed is not more than 20 meter per second, EMUs can normally move; When wind speed is during at 20 meter per second～25 meter per second, EMUs are by 200 kilometers/hour of operations of speed limit; When wind speed is during at 25 meter per second～30 meter per second, 120 kilometers/hour of operations of EMUs speed limit, when wind speed is greater than 30 meter per seconds, forbid that EMUs enter the operation of wind district.
In order to improve safety and the operation handling capacity of high wind area vehicle operating, conventionally adopt at present at railway and the other paravent that arranges of highway alignment, effectively to reduce extreme crosswind wind speed, reduce effect wind load ON TRAINS, improve topple critical wind velocity and the travel safety of train.As Japanese the Shinkansen high ferro regulation, railway installs additional after windbreak, and vehicle operating safety speed can suitably improve, and as wind speed reaches 25～30 meters per second, bullet train speed limit is at 160 kilometers/hour; Wind speed reaches 30～35 meters per second (similar 11,12 grades of strong wind), and train speed limit is at 70 kilometers/hour, and need not stop transport.
Although windshield device is set in railway and highway alignment both sides, can reduces wind speed, improve train operational safety and operation handling capacity, the problem that windscreen need to solve three aspects is set: the efficiency of keeping out the wind of (1) windshield device; (2) stability of windscreen structure self under wind effect; (3) owing to having set up windscreen in bridge construction, can change the Shape Coefficient of bridge construction, the wind load that causes acting on bridge significantly increases, the wind that the has reduced bridge construction safety of shaking.
At present, paravent all adopts curing structure, cannot regulate under different wind speed and act on the wind-force on paravent, although the efficiency of keeping out the wind is high, windscreen windward side is excessive, and the wind load acting on windshield device is excessive.For guaranteeing the unlikely destruction of windshield device under high wind effect, what windshield device need to be done is very firm, but can cause windshield device cost to sharp rise, and installs simultaneously, transports all inconvenient.If the percent opening of setting when paravent is made is excessive, although can the wind load of reducing effect on windscreen, choke efficiency that can not effective guarantee windshield device, does not have safety guarantee effect to train operation while causing wind speed too high.
Therefore, study and a kind ofly can automatically regulate the self adaptation paravent of ventilative rate according to wind speed, realize and under beam wind effect, both can reduce wind speed and guarantee vehicle driving safety, can reduce again and under high wind condition, act on the wind load on paravent and bridge, guarantee paravent and bridge structure safe, become technical problem urgently to be resolved hurrily.
Utility model content
In order to make up the defect of prior art, the utility model patent provides a kind of road traffic paravent, simple in structure, economic and practical, windproof effect is good, verge board can be according to different wind speed, automatically adjust the ventilative rate of paravent at blast under the unbalanced moment effect producing.When reducing wind speed, guaranteeing vehicle safety operation, guarantee the safety of windscreen structure and bridge construction.
In order to realize above-mentioned technical purpose, the technical scheme of the utility model patent is: a kind of road traffic paravent, comprise framework, at least two verge boards in order to keep out the wind are housed in framework, verge board is rotating to be connected in framework, on verge board and/or framework, be provided with to limit the limit rotation structure that verge board rotates, verge board is laid along at least one direction, leaves to cushion the gap of axial force between at least one end of verge board and framework.
Preferably, framework comprises the transverse slat of cross bar, vertical rod, brace, setting, at least one in the riser of setting.
Preferably, on framework and/or verge board, offer to reduce the gravity vent of the blast of windward side.
Preferably, framework comprises that at least two groups are in order to the mounting hole site of mounting block aerofoil, the one group of verge board of the identical formation of verge board cloth set direction in same mounting hole site; Cloth set direction in verge board in different mounting hole site is different.
Preferably, limit rotation be configured to be located at verge board end elastic construction, be located at verge board and framework contact site spacing voussoir, be located at stopper slot and limited block that verge board and framework contact site match, be connected at least one group of verge board for pulling at least one of STATEMENT OF FEDERALLY SPONSORED of verge board interlock.
Preferably, verge board is flat board, arc or fold-line-shaped plate.
Preferably, the plate that verge board is even thickness or the plate of uneven thickness.
Preferably, verge board along continuous straight runs is arranged in framework, or verge board is vertically arranged in framework, or verge board is arranged in framework along oblique.
Preferably, in framework, be provided with in order to framework is divided into the stiffener of a plurality of subregions, in each subregion, be equipped with verge board.
Preferably, verge board at least one end is provided with the anti-loose structure that prevents that verge board from coming off from framework, and anti-loose structure is local at least one of amplifying in structure, anti-drop block, anticreep plate, anticreep screw thread, anticreep bolt.
Preferably, in framework, be provided with in order to framework is divided into the stiffener of a plurality of subregions, in each subregion, be equipped with verge board.
The utility model patent beneficial effect is:
Paravent for this road traffic, when side direction wind is on paravent, blast produces uneven rotating torque on verge board, drives verge board to rotate, make the relative paravent framework of verge board open certain angle, thereby the ventilative rate that realizes paravent can be along with the difference of wind speed regulate automatically; The inhibition that utilizes limit rotation structure to open verge board, can control automatically according to the size of wind-force the open angle of verge board, controls the ventilative rate of paravent.When wind speed is lower, limit rotation structure is far longer than for the unlatching obstruction of verge board the wind-force acting on verge board, the unbalanced moment acting on verge board is less, verge board open angle is little, the ventilative rate of paravent is low, can effectively suppress the wind speed of low velocity wind, guarantee vehicle operating safety; Increase along with wind speed, limit rotation structure hinders the state in reducing gradually with respect to the external force increasing for the unlatching of verge board, the unbalanced moment acting on verge board increases gradually, the open angle of verge board increases gradually, thereby improve the ventilative rate of paravent, while reducing high wind, act on the wind load on paravent, while avoiding high wind, paravent destroys; Especially when paravent is directly installed on bridge, can effectively reduce in high wind situation, the beam wind load that bridge is suffered, guarantees bridge structure safe; Verge board is subject to wind-force effect and frequently moves, and by between verge board and framework, gap being set, to stop verge board and framework to produce interaction force, thereby improves the application life of verge board.The utility model patent structure is simple, economic and practical, windproof effect is good, and verge board can, according to different wind speed, be adjusted the ventilative rate of paravent at blast automatically under the unbalanced moment effect producing.And can rationally determine the minimum and maximum folding angle of verge board according to the requirement of environment for use, when reducing wind speed, guaranteeing vehicle safety operation, guarantee the safety of windscreen structure and bridge construction.
Below in conjunction with accompanying drawing, the utility model patent is described further.
Accompanying drawing explanation
Fig. 1 is road traffic one of structural representation of paravent of the utility model embodiment;
Fig. 2 is two of the structural representation of paravent for road traffic of the utility model embodiment;
Fig. 3 is three of the structural representation of paravent for road traffic of the utility model embodiment;
Fig. 4 is four of the structural representation of paravent for road traffic of the utility model embodiment;
Fig. 5 is five of the structural representation of paravent for road traffic of the utility model embodiment;
Fig. 6 is six of the structural representation of paravent for road traffic of the utility model embodiment;
Wherein 1 is framework, and 2 is verge board, and 3 is limit rotation structure, and 4 is gravity vent, and 5 is anti-loose structure.
The specific embodiment
Below to the further illustrating of the utility model patented technology content, but the not restriction to the utility model patent flesh and blood.
Fig. 1 is road traffic one of structural representation of paravent of the utility model embodiment; Fig. 2 is two of the structural representation of paravent for road traffic of the utility model embodiment; Fig. 3 is three of the structural representation of paravent for road traffic of the utility model embodiment; Fig. 4 is four of the structural representation of paravent for road traffic of the utility model embodiment; Fig. 5 is five of the structural representation of paravent for road traffic of the utility model embodiment; Fig. 6 is six of the structural representation of paravent for road traffic of the utility model embodiment.
As depicted in figs. 1 and 2, road traffic paravent, comprise framework 1, at least two verge boards 2 in order to keep out the wind are housed in framework 1, verge board 2 is rotating to be connected in framework 1, on verge board 2 and/or framework 1, be provided with to limit the limit rotation structure 3 that verge board 2 rotates, verge board 2 is laid along at least one direction, leaves to cushion the gap of axial force between at least one end of verge board 2 and framework 1.Paravent for this road traffic, when side direction wind is on paravent, blast produces uneven rotating torque on verge board 2, drives verge board 2 to rotate, make the relative framework 1 of verge board 2 open certain angle, thereby the ventilative rate that realizes paravent can be along with the difference of wind speed regulate automatically; Utilize limit rotation structure 3 to form the inhibition that verge board 2 is opened, can automatically control according to the size of wind-force the open angle of verge board 2, control the ventilative rate of paravent.When wind speed is lower, 3 unlatchings for verge board 2 of limit rotation structure hinder and are far longer than the wind-force acting on verge board 2, the unbalanced moment acting on verge board 2 is less, verge board 2 open angles are little, the ventilative rate of paravent is low, can effectively suppress the wind speed of low velocity wind, guarantee vehicle operating safety; Increase along with wind speed, 3 unlatchings for verge board 2 of limit rotation structure hinder the state in reducing gradually with respect to the external force increasing, the unbalanced moment acting on verge board 2 increases gradually, the open angle of verge board 2 increases gradually, thereby improve the ventilative rate of paravent, while reducing high wind, act on the wind load on paravent, while avoiding high wind, paravent destroys; Especially when paravent is directly installed on bridge, can effectively reduce in high wind situation, the beam wind load that bridge is suffered, guarantees bridge structure safe; Verge board 2 is subject to wind-force effect and frequently moves, and by between verge board 2 and framework 1, gap being set, to stop verge board 2 and framework 1 to produce interaction force, thereby improves the application life of verge board 2.The utility model patent structure is simple, economic and practical, windproof effect is good, and verge board 2 can, according to different wind speed, be adjusted the ventilative rate of paravent at blast automatically under the unbalanced moment effect producing.And can by the limited degree of limit rotation structure is set, rationally determine the minimum and maximum folding angle of verge board 2 according to the requirement of environment for use, when reducing wind speed, guaranteeing vehicle safety operation, guarantee the safety of windscreen structure and bridge construction.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, it is also, framework 1 comprises the transverse slat of cross bar, vertical rod, brace, setting, at least one in the riser of setting.According to different environments for use, wind direction and wind behaviour, adopt different frameworks to carry out part and strengthen, it is windproof that the region that wind-force is less adopts the transverse slat of setting or the riser of setting to carry out partial occlusion.
As shown in Figure 3 and Figure 5, it is also, offers to reduce the gravity vent 4 of the blast of windward side on framework 1 and/or verge board 2.For preventing the rapid region of die-offing that increases of wind-force, on framework 1 and/or verge board 2, offer gravity vent 4, to prevent that the blast producing suddenly from damaging framework 1 or verge board 2, play the saturating wind action of buffering.
As shown in Figure 5 and Figure 6, it is also, framework 1 comprises that at least two groups are in order to the mounting hole site of mounting block aerofoil 2, the one group of verge board 2 of the verge board identical formation of 2 cloth set direction in same mounting hole site; Cloth set direction in verge board 2 in different mounting hole site is different.By the mounting hole site of piecemeal is set, the cloth set direction of verge board 2 is set for the air inducing face in region in different mounting hole site, play better ventilative effect.The verge board 2 of different cloth set directions is set in zones of different, can be applicable to the region of variable direction.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, it is also, limit rotation structure 3 for be located at verge board 2 ends elastic construction, be located at verge board 2 and framework 1 contact site spacing voussoir, be located at stopper slot and limited block that verge board 2 and framework 1 contact site match, be connected at least one group of verge board 2 for pulling at least one of STATEMENT OF FEDERALLY SPONSORED of verge board 2 interlocks.By different rotary spacing structures 3 being set to face different environments for use.Elastic construction utilizes the slewing area of restoring force restriction verge board 2.Utilize the slewing area of the inclined plane restriction verge board 2 of voussoir.Utilize cooperatively interacting of stopper slot and limited block, limited block only can move in stopper slot, the slewing area of restriction verge board 2.The verge board 2 that utilizes STATEMENT OF FEDERALLY SPONSORED simultaneously to control all interlocks rotates, and utilizes the slewing area of the interaction force restriction verge board 2 of interlock.
It is also, verge board 2 is dull and stereotyped, arc or fold-line-shaped plate.By different plate Noodles types is set, to improve ventilative rate.
It is also, the plate that verge board 2 is even thickness or the plate of uneven thickness.By different plate Noodles types is set, to improve ventilative rate.Improve the intensity of plate face part.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, it is also, verge board 2 along continuous straight runs are arranged in framework 1, or verge board 2 is vertically arranged in framework 1, or verge board 2 is arranged in framework 1 along oblique.Rotating verge board and paravent can be arranged in same plane.Rotating verge board can horizontal direction be installed, and can be also that vertical direction is installed, and can be also that other angles are installed arbitrarily.
It is also, is provided with in order to framework 1 is divided into the stiffener of a plurality of subregions in framework 1, is equipped with verge board 2 in each subregion.Paravent can be a subregion, can be to be also divided into a plurality of subregions by stiffener is set on paravent framework.
As shown in Figure 1, Figure 2 with shown in Fig. 6, it is also, verge board 2 at least one end is provided with the anti-loose structure 5 that prevents that verge board 2 from coming off from framework 1, and anti-loose structure 5 is local at least one of amplifying in structure, anti-drop block, anticreep plate, anticreep screw thread, anticreep bolt.By anti-loose structure 5 is set in end, in case backstop aerofoil 2 comes off from framework in frequent motion process, also can limit axially-movable and the axial force of verge board 2 simultaneously, thereby improve the application life of structure.
The utility model road traffic has following characteristics with paravent:
1. the principle of keeping out the wind advanced person, windproof effect are good, paravent self is subject to wind-force little
Adopt the design of the verge board of opening and closing type, both can when the low ventilative rate of paravent, effectively reduce side direction wind wind speed, effectively guaranteed the security of operation of train; Can when wind speed is higher, improve the ventilative rate of paravent again, effectively reduce the suffered wind-force of paravent self, guarantee paravent safety.
Self suffered wind-force little, from heavy and light, do not affect the structural safety of existing railway bridge
Because paravent can regulate maximum ventilative rate automatically, effectively reduce the maximum side direction wind load of paravent, thereby can be by paravent design lighter, reduce paravent material usage.Meanwhile, because paravent is from heavy and light, suffered maximum wind power is little, so, after paravent is arranged on railroad bridge, can effectively reduces due to paravent being installed and act on the second stage of dead load and the wind load on bridge, guarantee the structural safety of railroad bridge, reduce bridge structure design difficulty.
3., in the time of can reducing train at a high speed by abat-vent, act on the train Pneumatic pressure on windshield device
When train high-speed cruising, headstock position is in superpressure state, and tailstock position is in decompression state.The superpressure of headstock and the low pressure of the tailstock can produce pressure and suction to windshield device.Adopt minute baffle design of opening and closing type, can be when train pass through windscreen at a high speed, verge board is opened automatically, reduces the wind pressure of action of train wind on abat-vent, and protection windshield device can be not destroyed.
4. applicability is strong, maintenance convenient, good endurance
Because the side direction wind load of this self adaptation paravent is less, on simply supported beam that both can be larger in common rigidity, continuous girder bridge, use, also can on the high pier bridge in the less cable stayed bridge of rigidity, suspension bridge and mountain area, use in large quantities.
5. be convenient to processing, can batch production manufacture, quality is easy to guarantee, simple installation, can effectively shorten the construction period
Paravent is because suffered side direction wind load is less, and paravent is lightweight, is convenient to install and transportation; Meanwhile, adopt rigid frame and Wind guard to form, as there is paravent, damage, can change separately each verge board or each paravent column, and need not change whole paravent; The difficulty of processing and manufacturing is simultaneously little, can be in factory's mass production, and efficiency is high, and quality easily guarantees.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a road traffic paravent, comprise framework, at least two verge boards in order to keep out the wind are housed in framework, verge board is rotating to be connected in framework, it is characterized in that, on verge board and/or framework, be provided with to limit the limit rotation structure that verge board rotates, verge board is laid along at least one direction, leaves to cushion the gap of axial force between at least one end of verge board and framework.
2. road traffic paravent according to claim 1, is characterized in that, framework comprises the transverse slat of cross bar, vertical rod, brace, setting, at least one in the riser of setting.
3. road traffic paravent according to claim 2, is characterized in that, offers to reduce the gravity vent of the blast of windward side on framework and/or verge board.
4. road traffic paravent according to claim 2, is characterized in that, framework comprises that at least two groups are in order to the mounting hole site of mounting block aerofoil, the one group of verge board of the identical formation of verge board cloth set direction in same mounting hole site; Cloth set direction in verge board in different mounting hole site is different.
5. road traffic paravent according to claim 4, it is characterized in that, limit rotation be configured to be located at verge board end elastic construction, be located at verge board and framework contact site spacing voussoir, be located at stopper slot and limited block that verge board and framework contact site match, be connected at least one group of verge board for pulling at least one of STATEMENT OF FEDERALLY SPONSORED of verge board interlock.
6. according to the road traffic paravent described in any one in claim 1 to 5, it is characterized in that, verge board is flat board, arc or fold-line-shaped plate.
7. according to the road traffic paravent described in any one in claim 1 to 5, it is characterized in that the plate that verge board is even thickness or the plate of uneven thickness.
8. according to the road traffic paravent described in any one in claim 1 to 5, it is characterized in that, verge board along continuous straight runs is arranged in framework, or verge board is vertically arranged in framework, or verge board is arranged in framework along oblique.
9. according to the road traffic paravent described in any one in claim 1 to 5, it is characterized in that, in framework, be provided with in order to framework is divided into the stiffener of a plurality of subregions, in each subregion, be equipped with verge board.
10. according to the road traffic paravent described in any one in claim 1 to 5, it is characterized in that, verge board at least one end is provided with the anti-loose structure that prevents that verge board from coming off from framework, and anti-loose structure is local at least one of amplifying in structure, anti-drop block, anticreep plate, anticreep screw thread, anticreep bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342061.1U CN203923929U (en) | 2014-06-26 | 2014-06-26 | Road traffic paravent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342061.1U CN203923929U (en) | 2014-06-26 | 2014-06-26 | Road traffic paravent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203923929U true CN203923929U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420342061.1U Expired - Fee Related CN203923929U (en) | 2014-06-26 | 2014-06-26 | Road traffic paravent |
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| CN (1) | CN203923929U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165067A (en) * | 2017-06-29 | 2017-09-15 | 蒋二伟 | A kind of road and bridge paravent |
| CN108004946A (en) * | 2017-12-14 | 2018-05-08 | 青岛破浪舟车船装备科技有限公司 | A kind of anti-beam wind device of large-scale pier |
| CN108086178A (en) * | 2017-12-14 | 2018-05-29 | 青岛破浪舟车船装备科技有限公司 | A kind of large size pier stretches anti-beam wind device |
| CN112030792A (en) * | 2020-08-10 | 2020-12-04 | 浙江广盛环境建设集团有限公司 | Traffic engineering construction is prevent wind and is pressed down dirt absorption formula baffle structure |
| CN112647437A (en) * | 2020-12-16 | 2021-04-13 | 上海应用技术大学 | Adjustable windproof guardrail device and windproof guardrail system |
-
2014
- 2014-06-26 CN CN201420342061.1U patent/CN203923929U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165067A (en) * | 2017-06-29 | 2017-09-15 | 蒋二伟 | A kind of road and bridge paravent |
| CN108004946A (en) * | 2017-12-14 | 2018-05-08 | 青岛破浪舟车船装备科技有限公司 | A kind of anti-beam wind device of large-scale pier |
| CN108086178A (en) * | 2017-12-14 | 2018-05-29 | 青岛破浪舟车船装备科技有限公司 | A kind of large size pier stretches anti-beam wind device |
| CN112030792A (en) * | 2020-08-10 | 2020-12-04 | 浙江广盛环境建设集团有限公司 | Traffic engineering construction is prevent wind and is pressed down dirt absorption formula baffle structure |
| CN112030792B (en) * | 2020-08-10 | 2021-11-09 | 浙江广盛环境建设集团有限公司 | Traffic engineering construction is prevent wind and is pressed down dirt absorption formula baffle structure |
| CN112647437A (en) * | 2020-12-16 | 2021-04-13 | 上海应用技术大学 | Adjustable windproof guardrail device and windproof guardrail system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160626 |