CN104018439A - Windshield for road traffic - Google Patents
Windshield for road traffic Download PDFInfo
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- CN104018439A CN104018439A CN201410280318.XA CN201410280318A CN104018439A CN 104018439 A CN104018439 A CN 104018439A CN 201410280318 A CN201410280318 A CN 201410280318A CN 104018439 A CN104018439 A CN 104018439A
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Abstract
The invention relates to a windshield for road traffic, which comprises a frame; at least one wind deflector for controlling the wind deflecting rate by rotating is arranged in the frame; rotating shafts for rotating the wind deflector are arranged at two ends of the wind deflector; pivot holes are formed in the frame; the rotating shafts are connected with the pivot holes in a matched manner; the wind deflector rotates on the frame through the rotating shafts; a rotation limiting structure for limiting rotation of the wind deflector is also arranged on the frame. The windshield for road traffic, which is disclosed by the invention, is simple in structure, economic, practical and good in windshield effect; the wind deflector is capable of automatically adjusting the ventilation efficiency of the windshield under the action of unbalanced moment generated by wind pressure according to different wind speeds; in addition, safety of a windshield structure and a bridge structure is ensured while the wind speed is reduced and safety operation of vehicles is ensured.
Description
Technical field
The present invention relates to traffic safety equipment technical field, be 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.There is respectively train that two cause strong wind the cause event of toppling in December, 2005 and in September, 2006 in Japan's Shinkanson High Speed Train.In February, 2007, large wind has occurred Xinjiang of China turns over the major accident of 11 joint railway cars.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 article of regulation of China's " special line for passenger trains technical management way (trying) ": when 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, in the time that 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.
Can reduce wind speed, improve train operational safety and operation handling capacity although windshield device is set in railway and highway alignment both sides, windscreen is set need to solves the problem of three aspects: 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, acts on wind load on windshield device excessive.For guaranteeing the unlikely destruction of windshield device under high wind effect, what windshield device need to do is very firm, but can cause windshield device cost to sharp rise, and installs simultaneously, transports all inconvenient.If the percent opening that paravent is set while making 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 a kind of self adaptation paravent that can automatically regulate according to wind speed ventilative rate, 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.
Summary of the invention
In order to make up the defect of prior art, patent of the present invention 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.In reducing wind speed, ensureing vehicle safety operation, guarantee the safety of windscreen structure and bridge construction.
In order to realize above-mentioned technical purpose, the technical scheme of patent of the present invention is: a kind of road traffic paravent, comprise framework, at least one verge board of controlling the rate of keeping out the wind by rotation is housed in framework, verge board two ends are provided with the turning cylinder rotating in order to verge board, offer pivoted hole on framework, and turning cylinder is connected with pivoted hole coupling, verge board rotates on framework by turning cylinder, is also provided with to limit the limit rotation structure that verge board rotates on framework.
Preferably, rotary spacing is configured to be located at the weight mass piece of verge board bottom; Or rotary spacing is configured to be located at the spacing bayonet lock on column; Or rotary spacing is configured to be located at the alignment pin on verge board and is located at the locating slot on column; Rotary spacing is configured to be located at the return springs between verge board and column; Rotary spacing is configured to be located at the magnetic part on verge board and/or column.
Preferably, rotary spacing structure is arranged along arc line shaped.
Preferably, the turning cylinder at verge board two ends is arranged symmetrically with; The setting position of turning cylinder departs from the center line of verge board.
Preferably, framework includes at least two root posts and/or at least one crossbeam, and verge board is arranged between two adjacent upright, or verge board is arranged between adjacent column and crossbeam; Or framework includes at least two crossbeams, verge board is arranged between adjacent two crossbeams.
Preferably, the fixed two adjacent root posts of crossbeam, crossbeam is cemented in end and/or the middle part of column.
Preferably, verge board and/or column are provided with to control the control appliance that verge board opens and closes.
Preferably, the shape of cross section of column is square, rectangle, T font, I shape or circle.
Preferably, column is right cylinder, curved post or fold-line-shaped post, or column is the cylinder of straightway and curved section composition.
Preferably, column is the up-small and down-big variable cross-section cylinder of cross sectional dimensions.
Preferably, multi-disc verge board is housed in framework, multi-disc verge board proper alignment.
Preferably, control appliance connects monolithic verge board, multi-disc verge board or whole verge board, and controls monolithic verge board, multi-disc verge board or all switchings of verge boards.
Preferably, on verge board, offer at least one in order to ventilative gravity vent.
Preferably, gravity vent is at least one in circular hole, square hole, elliptical aperture or diamond hole.
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 is along horizontal force to being 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 the stiffener in order to framework is divided into multiple subregions, in each subregion, be equipped with verge board.
Patent beneficial effect of the present invention is:
Paravent for this road traffic, in the time that side direction wind is on paravent, blast produces uneven rotating torque on verge board, drive verge board rotate moving axis 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; Utilize the inhibition of limit rotation structure to verge board unlatching, can automatically control according to the size of wind-force the open angle of verge board, control the ventilative rate of paravent.In the time that wind speed is lower, limit rotation structure hinders and is far longer than the wind-force acting on verge board for the unlatching of verge board, act on unbalanced moment on verge board 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; Along with the increase of 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 in the time that 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.Patent structure of the present invention is simple, economic and practical, windproof effect is good, and verge board can be according to different wind speed, automatically adjusts the ventilative rate of paravent at blast under the unbalanced moment effect producing.And can, according to the requirement of environment for use, rationally determine the minimum and maximum folding angle of verge board, in reducing wind speed, ensureing vehicle safety operation, guarantee the safety of windscreen structure and bridge construction.
Below in conjunction with accompanying drawing, patent of the present invention is described further.
Brief description of the drawings
Fig. 1 is the structural representation of paravent for the road traffic of the embodiment of the present invention;
Fig. 2 is the road traffic of the embodiment of the present invention application schematic diagram of paravent on railroad bridge;
Fig. 3 is the road traffic of the embodiment of the present invention application schematic diagram of paravent on railway bed;
Fig. 4 is the stressed schematic diagram of road traffic paravent of the embodiment of the present invention;
Fig. 5-a is rectangle plane verge board; Fig. 5-b is the rectangle plane verge board with spacer pin and back-moving spring hole; Fig. 5-c is the rectangle plane verge board with spacer pin; Fig. 5-d is rectangle plane verge board with holes; Fig. 5-e is the rectangle plane verge board with holes of aglycon gauge block; Fig. 5-f is the rectangle plane verge board of aglycon gauge block;
Fig. 6-a is rectangle curved surface verge board; Fig. 6-b is the rectangle curved surface verge board with spacer pin and back-moving spring hole; Fig. 6-c is the rectangle curved surface verge board with spacer pin; Fig. 6-d is rectangle curved surface verge board with holes; Fig. 6-e is the rectangle curved surface verge board with holes of aglycon gauge block; Fig. 6-f is the rectangle curved surface verge board of aglycon gauge block;
Fig. 7-a is rectangle column; Fig. 7-b is square column; Fig. 7-c is circular abutment; Fig. 7-d is H-shaped upright column; Fig. 7-e is T font column; Fig. 7-f is shaped form column;
Fig. 8-a is not with stopper and paravent closed condition plan view gravity vent; Fig. 8-b is not with stopper and paravent closed condition shaft side figure gravity vent; Fig. 8-c is not with stopper and paravent opening shaft side figure gravity vent;
Fig. 9-a is paravent closed condition plan view with stopper; Fig. 9-b is paravent closed condition shaft side figure with stopper; Fig. 9-c is paravent opening shaft side figure with stopper;
Figure 10-a is with multistage stopping means paravent closed condition plan view; Figure 10-b is the paravent closed condition shaft side figure with multistage stopping means; Figure 10-c is the paravent opening shaft side figure with multistage stopping means;
Figure 11-a is the paravent closed condition plan view with cambered way stopping means; Figure 11-b is the paravent closed condition shaft side figure with cambered way stopping means; Figure 11-c is the paravent opening shaft side figure with cambered way stopping means;
Figure 12-a is the paravent closed condition plan view with reseting spring device; Figure 12-b is the paravent closed condition shaft side figure with reseting spring device; Figure 12-c is the paravent opening shaft side figure with reseting spring device;
Figure 13-a is the paravent closed condition plan view with weight mass; Figure 13-b is the paravent closed condition shaft side figure with weight mass; Figure 13-c is the paravent opening shaft side figure with weight mass;
Figure 14-a is the paravent closed condition plan view that verge board loads in mixture; Figure 14-b is the paravent closed condition shaft side figure that verge board loads in mixture; Figure 14-c is the paravent opening shaft side figure that verge board loads in mixture;
Figure 15-a is that verge board loads in mixture paravent closed condition plan view with stopper; Figure 15-b is that verge board loads in mixture paravent closed condition shaft side figure with stopper; Figure 15-c is that verge board loads in mixture paravent opening shaft side figure with stopper;
Figure 16-a is that verge board loads in mixture the paravent closed condition plan view with multistage stopping means; Figure 16-b is that verge board loads in mixture the paravent closed condition shaft side figure with multistage stopping means; Figure 16-c is that verge board loads in mixture the paravent opening shaft side figure with multistage stopping means;
Figure 17-a is the paravent closed condition plan view with gravity vent; Figure 17-b is the paravent closed condition shaft side figure with gravity vent; Figure 17-c is the paravent opening shaft side figure with gravity vent;
Figure 18-a is the paravent closed condition plan view with gravity vent and stopping means; Figure 18-b is the paravent closed condition shaft side figure with gravity vent and stopping means; Figure 18-c is the paravent opening shaft side figure with gravity vent and stopping means;
Figure 19-a is the paravent closed condition plan view with gravity vent and multistage stopping means; Figure 19-b is the paravent closed condition shaft side figure with gravity vent and multistage stopping means; Mono-kind of Figure 19-c paravent opening shaft side figure with gravity vent and multistage stopping means;
Figure 20-a is not with gravity vent and stopping means paravent closed condition plan view; Figure 20-b is not with gravity vent and stopping means paravent closed condition axonometric drawing; Figure 20-c is not with gravity vent and stopping means paravent opening axonometric drawing;
Figure 21-a is paravent closed condition plan view with stopper; Figure 21-b is paravent closed condition axonometric drawing with stopper; Figure 21-c is paravent opening axonometric drawing with stopper;
Figure 22-a is with multistage stopping means paravent closed condition plan view; Figure 22-b is with multistage stopping means paravent closed condition axonometric drawing; Figure 22-c is with multistage stopping means paravent opening axonometric drawing;
Figure 23-a is band cambered way stopping means paravent closed condition plan view; Figure 23-b is band cambered way stopping means paravent closed condition axonometric drawing; Figure 23-c is band cambered way stopping means paravent opening axonometric drawing;
Wherein 1 is column, and 2 is pivoted hole, and 3 is verge board, and 4 is turning cylinder, 5 is back-moving spring, and 6 is spacer pin, and 7 is back-moving spring jack, and 8 is gravity vent, 9 is weight mass piece, and 10 is curved surface verge board, and 11 is square column, and 12 is circular abutment, 13 is H-shaped upright column, and 14 is T font column, and 15 is curve column, and 16 is limit pin hole, 17 is cambered way, and 18 is crossbeam, and 19 is vehicle, 20 is bridge, and 21 is bridge pier, and 22 is roadbed.
Detailed description of the invention
Below to the further illustrating of patented technology content of the present invention, but the not restriction to patent flesh and blood of the present invention.
Road traffic comprises framework with paravent, at least one verge board 3 of controlling the rate of keeping out the wind by rotation is housed in framework, verge board 3 two ends are provided with the turning cylinder 4 rotating in order to verge board 3, on framework, offer pivoted hole 2, turning cylinder 4 is connected with pivoted hole 2 couplings, verge board 3 rotates on framework by turning cylinder 4, is also provided with to limit the limit rotation structure that verge board 3 rotates on framework.Paravent for this road traffic, in the time that side direction wind is on paravent, blast produces uneven rotating torque on verge board 3, drive verge board 3 moving axis 4 that rotates to rotate, make the relative paravent framework of verge board 3 open certain angle, thereby the ventilative rate that realizes paravent can be along with the difference of wind speed regulate automatically; Utilize limit rotation to construct the inhibition that verge board 3 is opened, can automatically control according to the size of wind-force the open angle of verge board 3, control the ventilative rate of paravent.In the time that wind speed is lower, limit rotation structure hinders and is far longer than the wind-force acting on verge board 3 for the unlatching of verge board 3, act on unbalanced moment on verge board 3 less, verge board 3 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; Along with the increase of wind speed, limit rotation structure hinders the state in reducing gradually with respect to the external force increasing for the unlatching of verge board 3, the unbalanced moment acting on verge board 3 increases gradually, the open angle of verge board 3 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 in the time that paravent is directly installed on bridge 20, can effectively reduce in high wind situation, the beam wind load that bridge 20 is suffered, guarantees bridge 20 structural safetys.Patent structure of the present invention is simple, economic and practical, windproof effect is good, and verge board 3 can be according to different wind speed, automatically adjusts the ventilative rate of paravent at blast under the unbalanced moment effect producing.And can, according to the requirement of environment for use, rationally determine the minimum and maximum folding angle of verge board 3, in reducing wind speed, ensureing vehicle safety operation, guarantee the safety of windscreen structure and bridge construction.Verge board 3 can be flat shape, can be also with certain radian plate, or other shapes arbitrarily.Verge board 3 can be thickness and the uniform plate of quality, can be also the plate that became uneven is even and/or quality is inhomogeneous.Paravent can be flat shape, can be also the shape with certain radian, or is any other shapes.
It is also, rotary spacing is configured to be located at the weight mass piece 9 of verge board 3 bottoms; Or rotary spacing is configured to be located at the spacing bayonet lock on column 1; Or rotary spacing is configured to be located at the alignment pin on verge board 3 and is located at the locating slot on column 1; Rotary spacing is configured to be located at the return springs between verge board 3 and column 1; Rotary spacing is configured to be located at the magnetic part on verge board 3 and/or column 1.The spacer pin 6 of verge board 3 is fixed on the framework of paravent, can control maximum opening angle and the minimum open angle of verge board 3.By controlling installation direction and the opening direction of verge board 3, can make wind by after paravent, change wind direction, make wind direction blowing up, flat blow or to blowing down; Also can make a wind direction left side blow or blow to the right.Rotating verge board 3 can be that the unbalanced moment that relies on deadweight to produce realizes closing under windless condition, also can be to rely on servicing unit to realize closing under windless condition, servicing unit can be spring, magnet and other any devices of opening in order to restriction or obstruction verge board 3.Along with the open angle difference of rotatable verge board 3, the ventilative rate of described windshield device can change continuously within the scope of 0-95%.
It is also, rotary spacing structure is arranged along arc line shaped.
It is also, the turning cylinder 4 at verge board 3 two ends is arranged symmetrically with; The setting position of turning cylinder 4 departs from the center line of verge board 3.
It is also, framework includes at least two root posts 1 and/or at least one crossbeam 18, and verge board 3 is arranged between two adjacent upright 1, or verge board 3 is arranged between adjacent column 1 and crossbeam 18; Or framework includes at least two crossbeams 18, verge board 3 is arranged between adjacent two crossbeams 18.The framework of paravent can be to be only made up of column 1; Or the framework of paravent can be made up of column 1 and crossbeam 18; Or the framework of paravent can be made up of column 1, crossbeam 18 and stiffening rib.
It is also, the fixed two adjacent root posts 1 of crossbeam 18, and crossbeam 18 is cemented in end and/or the middle part of column 1.
It is also, verge board 3 and/or column 1 are provided with to control the control appliance that verge board 3 opens and closes.
It is also, the shape of cross section of column 1 is square, rectangle, T font, I shape or circle.
It is also, column 1 is right cylinder, curved post or fold-line-shaped post, or column 1 is the cylinder of straightway and curved section composition.
It is also, column 1 is the up-small and down-big variable cross-section cylinder of cross sectional dimensions.
It is also, multi-disc verge board 3 is housed in framework, multi-disc verge board 3 proper alignment.
It is also, control appliance connection monolithic verge board 3, multi-disc verge board 3 or whole verge board 3, and control monolithic verge board 3, multi-disc verge board 3 or all switchings of verge boards 3.Verge board 3, in the situation that there is no wind, can be complete closed state, can be also open mode.
It is also, offers at least one in order to ventilative gravity vent 8 on verge board 3.
It is also, gravity vent 8 is at least one in circular hole, square hole, elliptical aperture or diamond hole.
It is also, verge board 3 is dull and stereotyped, arc or fold-line-shaped plate.
It is also, the plate that verge board 3 is even thickness or the plate of uneven thickness.
It is also, verge board 3 along continuous straight runs are arranged in framework, or verge board 3 is vertically arranged in framework, or verge board 3 is arranged in framework 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 the stiffener in order to framework is divided into multiple subregions in framework, is equipped with verge board 3 in each subregion.Paravent can be a subregion, can be to be also divided into multiple subregions by stiffener is set on paravent framework.
Fig. 1 is the structural representation of paravent for the road traffic of the embodiment of the present invention; As shown in Figure 1, self adaptation paravent comprises column 1, rotating verge board 3, spacer pin 6.Rotating verge board 3 is plugged on by turning cylinder 4 in the pivoted hole 2 of column 1, and under Lateral Wind, verge board 3 moving axis 4 that can rotate turns an angle, thereby adjusts the ventilative rate of paravent.Verge board 3 is inserted in the limit pin hole 16 on column 1 by spacer pin 6, and the spacer pin 6 of verge board 3 can be controlled the maximum rotation angle of verge board 3 under effect of Side Wind, thereby controls the ventilative rate of maximum of paravent.Fig. 2 is the road traffic of the embodiment of the present invention application schematic diagram of paravent on railroad bridge; Fig. 3 is the road traffic of the embodiment of the present invention application schematic diagram of paravent on railway bed; Fig. 2 and Fig. 3 are respectively the application example of the self adaptation paravent shown in Fig. 1 on bridge 20 and roadbed 22.As shown in Figure 2, bridge 20 is erected on bridge pier 21, and railway is erected on bridge 20, and paravent is erected at railway both sides, and vehicle 19 passes between two paravents.As shown in Figure 3, railway is erected on roadbed 22, and paravent is erected at railway both sides, and vehicle 19 passes between two paravents.
Fig. 4 is the stressed schematic diagram of road traffic paravent of the embodiment of the present invention; As shown in Figure 4, when paravent is worked, verge board 3 is subject to self gravitation, the effect of wind pressure and applied force.Wherein the suffered wind pressure of verge board 3 can be tried to achieve by formula (1).In the time that the self gravitation of a certain moment verge board 3, wind pressure that verge board 3 is subject to and applied force reach standing balance to turning cylinder 4 threes, can obtain formula (2) (3) (4) by equilibrium conditions:
Wherein F is wind pressure [KN], and ρ is atmospheric density [Kg/m
3], V is wind speed [m/s], A is that verge board is at vertical projected area [m
2],
(wherein A
1for verge board the first half windward side is in vertical projected area) be part horizontal direction [KN] with joint efforts on verge board,
(wherein A
2for verge board the latter half windward side is at vertical projected area, f
hfor applied force horizontal direction component) be plate the latter half horizontal direction windward make a concerted effort [KN], H
1for verge board the first half length [m], H
2for verge board the latter half length [m], S
1for verge board the first half is made a concerted effort to the arm of force in axle center long [m], S
2for verge board the latter half is made a concerted effort to the arm of force in axle center long [m], G
1for verge board the first half weight [KN], G
2for verge board the latter half vertical force sum (comprises verge board deadweight and applied force vertical force component f
v) [KN], α be windward plate opening angle [°].
Can try to achieve α by (1) (2) (3) (4) formula:
Therefore according to the relation of above formula α and G, for meeting the requirement of α, can be according to actual needs, by adding weight mass piece 9 or back-moving spring 5 regulates G
2and F
2size.
Fig. 5-a is rectangle plane verge board; Fig. 5-b is the rectangle plane verge board with spacer pin and back-moving spring hole; Fig. 5-c is the rectangle plane verge board with spacer pin; Fig. 5-d is rectangle plane verge board with holes; Fig. 5-e is the rectangle plane verge board with holes of aglycon gauge block; Fig. 5-f is the rectangle plane verge board of aglycon gauge block; Fig. 5-a, Fig. 5-b, Fig. 5-c, Fig. 5-d, Fig. 5-e, Fig. 5-f are respectively six kinds of forms of implementation of the rotating verge board 3 of plane.Fig. 6-a is curved surface verge board 10; Fig. 6-b is the curved surface verge board 10 with spacer pin 6 and back-moving spring hole 7; Fig. 6-c is the curved surface verge board 10 with spacer pin 6; Fig. 6-d is the curved surface verge board 10 with gravity vent 8; Fig. 6-e is the curved surface verge board 10 with gravity vent 8 of being furnished with weight mass piece 9; Fig. 6-f is the curved surface verge board 10 of being furnished with weight mass piece 9; Fig. 6-a, Fig. 6-b, Fig. 6-c, Fig. 6-d, Fig. 6-e, Fig. 6-f are respectively six kinds of forms of implementation of the rotating verge board of curved surface.Fig. 7-a is rectangle column; Fig. 7-b is square column 11; Fig. 7-c is circular abutment 12; Fig. 7-d is H-shaped upright column 13; Fig. 7-e is T font column 14; Fig. 7-f is curve column 15; Fig. 7-a, Fig. 7-b, Fig. 7-c, Fig. 7-d, Fig. 7-e, Fig. 7-f are respectively six kinds of forms of implementation of paravent upright of frame.
Fig. 8-a is not with stopper and paravent closed condition plan view gravity vent 8; Fig. 8-b is not with stopper and paravent closed condition shaft side figure gravity vent 8; Fig. 8-c is not with stopper and paravent opening shaft side figure gravity vent 8; Fig. 8-a, Fig. 8-b, Fig. 8-c are respectively not with stopper and the paravent of gravity vent 8 axonometric drawing under plan view, axonometric drawing and wind opening in off position.In this case study on implementation, rotating verge board 3 relies on the unbalanced moment of deadweight generation and the unbalanced moment of side direction wind generation to reach balance, makes rotating verge board 3 can under different wind speed, open different angles.
Fig. 9-a is paravent closed condition plan view with stopper; Fig. 9-b is paravent closed condition shaft side figure with stopper; Fig. 9-c is paravent opening shaft side figure with stopper; Fig. 9-a, Fig. 9-b, Fig. 9-c are respectively paravent with stopper axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, rotating verge board 3 relies on the unbalanced moment of deadweight generation and the unbalanced moment of side direction wind generation to reach balance, makes verge board 3 can under different wind speed, open different angles; Meanwhile, the spacer pin 6 that is arranged on the verge board 3 on column 1 can be controlled the maximum rotation angle of verge board 3 under wind effect, controls the ventilative rate of maximum of paravent.
Figure 10-a is with multistage stopping means paravent closed condition plan view; Figure 10-b is the paravent closed condition shaft side figure with multistage stopping means; Figure 10-c is the paravent opening shaft side figure with multistage stopping means; Figure 10-a, Figure 10-b, Figure 10-c are respectively paravent with the multistage stopping means axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, rotating verge board 3 relies on the unbalanced moment of deadweight generation and the unbalanced moment of side direction wind generation to reach balance, makes verge board 3 can under different wind speed, open different angles; Simultaneously, on column 1, offer multiple limit pin holes 16 for each verge board 3, when verge board 3 is inserted in different limit pin hole 16 by the spacer pin 6 on it, can controls verge board 3 and there is different maximum rotation angles under wind effect, control the ventilative rate of maximum of paravent.
Figure 11-a is the paravent closed condition plan view with cambered way 17 stopping means; Figure 11-b is the paravent closed condition shaft side figure with cambered way 17 stopping means; Figure 11-c is the paravent opening shaft side figure with cambered way 17 stopping means; Figure 11-a, Figure 11-b, Figure 11-c are respectively paravent with the cambered way 17 stopping means axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, rotating verge board 3 relies on the unbalanced moment of deadweight generation and the unbalanced moment of side direction wind generation to reach balance, makes verge board 3 can under different wind speed, open different angles; Meanwhile, being arranged on spacer pin 6 on verge board 3 can slide along the cambered way 17 of offering on column 1, and cambered way 17 can be controlled the maximum rotation angle of verge board 3 under wind effect, controls the ventilative rate of maximum of paravent.On the framework 1 of paravent, have arc guide barrel, the spacer pin 6 being arranged on verge board 3 can slide along this arc guide barrel, to control the opening angle of verge board 3.
Figure 12-a is the paravent closed condition plan view with reseting spring device; Figure 12-b is the paravent closed condition shaft side figure with reseting spring device; Figure 12-c is the paravent opening shaft side figure with reseting spring device; Figure 12-a, Figure 12-b, Figure 12-c are respectively paravent with the reseting spring device axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, the reset force that rotating verge board 3 relies on deadweight and back-moving spring 5 to provide, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.
Figure 13-a is the paravent closed condition plan view with weight mass; Figure 13-b is the paravent closed condition shaft side figure with weight mass; Figure 13-c is the paravent opening shaft side figure with weight mass; Figure 13-a, Figure 13-b, Figure 13-c are respectively paravent with the weight mass axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, rotating verge board 3 relies on the weight mass of deadweight and weight mass piece 9 that reset force is provided, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.
Figure 14-a is the paravent closed condition plan view that verge board loads in mixture; Figure 14-b is the paravent closed condition shaft side figure that verge board loads in mixture; Figure 14-c is the paravent opening shaft side figure that verge board loads in mixture; Figure 14-a, Figure 14-b, Figure 14-c are respectively the paravent that loads in mixture of the verge board axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, verge board 3 with gravity vent 8 and not verge board 3 mixing with gravity vent 8 are arranged on column 1, these two kinds rotating verge boards 3 rely on the weight mass of deadweight and weight mass piece 9 that reset force is provided, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.
Figure 15-a is that verge board loads in mixture paravent closed condition plan view with stopper; Figure 15-b is that verge board loads in mixture paravent closed condition shaft side figure with stopper; Figure 15-c is that verge board loads in mixture paravent opening shaft side figure with stopper; Figure 15-a, Figure 15-b, Figure 15-c are respectively that verge board loads in mixture paravent with stopper axonometric drawing under plan view, axonometric drawing and wind opening in off position.In such an embodiment, verge board 3 with gravity vent 8 and not verge board 3 mixing with gravity vent 8 are arranged on column 1, these two kinds rotating verge boards 3 rely on the weight mass of deadweight and weight mass piece 9 that reset force is provided, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.Meanwhile, the spacer pin 6 that is arranged on the verge board 3 on column 1 can be controlled the maximum rotation angle of verge board 3 under wind effect, controls the ventilative rate of maximum of paravent.
Figure 16-a is that verge board loads in mixture the paravent closed condition plan view with multistage stopping means; Figure 16-b is that verge board loads in mixture the paravent closed condition shaft side figure with multistage stopping means; Figure 16-c is that verge board loads in mixture the paravent opening shaft side figure with multistage stopping means; Figure 16-a, Figure 16-b, Figure 16-c are respectively that verge board loads in mixture paravent with the multistage stopping means axonometric drawing under plan view, axonometric drawing and wind opening in off position.In such an embodiment, verge board 3 with gravity vent 8 and not verge board 3 mixing with gravity vent 8 are arranged on the column 1 of paravent, these two kinds of verge boards 3 rely on the weight mass of deadweight and weight mass piece 9 that reset force is provided, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.Simultaneously, on the column 1 of paravent, offer multiple limit pin holes 16 for each verge board 3, when the rotary spacing pin 6 of verge board 3 is inserted in different limit pin hole 16, can controls verge board 3 and there is different maximum rotation angles under wind effect, control the ventilative rate of maximum of paravent.
Figure 17-a is the paravent closed condition plan view with gravity vent; Figure 17-b is the paravent closed condition shaft side figure with gravity vent; Figure 17-c is the paravent opening shaft side figure with gravity vent; Figure 17-a, Figure 17-b, Figure 17-c are respectively paravent with the gravity vent axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, on rotating verge board 3, offer gravity vent 8, gravity vent 8 can strengthen the ventilative rate of paravent, rotating verge board 3 relies on the weight mass of deadweight and weight mass piece 9 that reset force is provided, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.
Figure 18-a is the paravent closed condition plan view with gravity vent and stopping means; Figure 18-b is the paravent closed condition shaft side figure with gravity vent and stopping means; Figure 18-c is the paravent opening shaft side figure with gravity vent and stopping means; Figure 18-a, Figure 18-b, Figure 18-c are respectively paravent with gravity vent and the stopping means axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, on rotating verge board 3, offer gravity vent 8, gravity vent 8 can strengthen the ventilative rate of paravent, rotating verge board 3 relies on the weight mass of deadweight and weight mass piece 9 that reset force is provided, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.Meanwhile, the spacer pin 6 that is arranged on the verge board 3 on the column 1 of paravent can be controlled the maximum rotation angle of verge board 3 under wind effect, controls the ventilative rate of maximum of paravent.
Figure 19-a is the paravent closed condition plan view with gravity vent and multistage stopping means; Figure 19-b is the paravent closed condition shaft side figure with gravity vent and multistage stopping means; Mono-kind of Figure 19-c paravent opening shaft side figure with gravity vent and multistage stopping means; Figure 19-a, Figure 19-b, Figure 19-c are respectively paravent with gravity vent and the multistage stopping means axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, on rotating verge board 3, offer gravity vent 8, gravity vent 8 can strengthen the ventilative rate of paravent, rotating verge board 3 relies on the weight mass of deadweight and weight mass piece 9 that reset force is provided, the unbalanced moment that the unbalanced moment that this reset force produces on turning cylinder 4 and side direction wind produce reaches balance, makes verge board 3 can under different wind speed, open different angles.Simultaneously, on the column 1 of paravent, offer multiple limit pin holes 16 for each verge board 3, when the spacer pin 6 of verge board 3 is inserted in different limit pin hole 16, can controls verge board 3 and there is different maximum rotation angles under wind effect, control the ventilative rate of maximum of paravent.
Figure 20-a is not with gravity vent and stopping means paravent closed condition plan view; Figure 20-b is not with gravity vent and stopping means paravent closed condition axonometric drawing; Figure 20-c is not with gravity vent and stopping means paravent opening axonometric drawing; Figure 20-a, Figure 20-b, Figure 20-c are respectively the paravent axonometric drawings under plan view, axonometric drawing and wind opening in off position of not being with gravity vent and stopping means.In such an embodiment, the fixed two adjacent root posts 1 of crossbeam 18, crossbeam 18 is cemented in end and/or the middle part of column 1; Rotating verge board 3 adopts vertical installation, by back-moving spring jack 7, back-moving spring 5 is installed at the two ends of each rotating verge board 3, and the moment of utilizing back-moving spring 5 to produce makes rotating verge board 3 hour can recover closed condition at wind-force.When wind-force is larger, side direction wind produces moment makes rotating verge board 3 can under different wind speed, open different angles, adjusts the ventilative rate of paravent under different wind speed.
Figure 21-a is paravent closed condition plan view with stopper; Figure 21-b is paravent closed condition axonometric drawing with stopper; Figure 21-c is paravent opening axonometric drawing with stopper; Figure 21-a, Figure 21-b, Figure 21-c are respectively paravent with stopper axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, the fixed two adjacent root posts 1 of crossbeam 18, crossbeam 18 is cemented in end and/or the middle part of column 1; Rotating verge board 3 adopts vertical installation, at the two ends of each rotating verge board 3, back-moving spring 5 is installed, and the moment of utilizing back-moving spring 5 to produce makes rotating verge board 3 hour can recover closed condition at wind-force.When wind-force is larger, side direction wind produces moment makes rotating verge board 3 can under different wind speed, open different angles, adjusts the ventilative rate of paravent under different wind speed.Meanwhile, the spacer pin that is arranged on the verge board 3 on the column 1 of paravent can be controlled the maximum rotation angle of verge board 3 under wind effect, controls the ventilative rate of maximum of paravent.
Figure 22-a is with multistage stopping means paravent closed condition plan view; Figure 22-b is with multistage stopping means paravent closed condition axonometric drawing; Figure 22-c is with multistage stopping means paravent opening axonometric drawing; Figure 22-a, Figure 22-b, Figure 22-c are respectively paravent with the multistage stopping means axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, the fixed two adjacent root posts 1 of crossbeam 18, crossbeam 18 is cemented in end and/or the middle part of column 1; Rotating verge board 3 adopts vertical installation, at the two ends of each rotating verge board 3, back-moving spring 5 is installed, and the moment of utilizing back-moving spring 5 to produce makes rotating verge board 3 hour can recover closed condition at wind-force.When wind-force is larger, side direction wind produces moment makes rotating verge board 3 can under different wind speed, open different angles, adjusts the ventilative rate of paravent under different wind speed.Simultaneously, on the column 1 of paravent, offer multiple limit pin holes 16 for each verge board 3, when the spacer pin 6 of verge board 3 is inserted in different limit pin hole 16, can controls verge board 3 and there is different maximum rotation angles under wind effect, control the ventilative rate of maximum of paravent.
Figure 23-a is band cambered way 17 stopping means paravent closed condition plan views; Figure 23-b is band cambered way 17 stopping means paravent closed condition axonometric drawings; Figure 23-c is band cambered way 17 stopping means paravent opening axonometric drawings; Figure 23-a, Figure 23-b, Figure 23-c are respectively paravent with the cambered way 17 stopping means axonometric drawings under plan view, axonometric drawing and wind opening in off position.In such an embodiment, the fixed two adjacent root posts 1 of crossbeam 18, crossbeam 18 is cemented in end and/or the middle part of column 1; Rotating verge board 3 adopts vertical installation, at the two ends of each rotating verge board 3, back-moving spring 5 is installed, and the moment of utilizing back-moving spring 5 to produce makes rotatable verge board hour can recover closed condition at wind-force.When wind-force is larger, side direction wind produces moment makes verge board 3 can under different wind speed, open different angles, adjusts the ventilative rate of paravent under different wind speed.Simultaneously, the spacer pin 6 that is arranged on the verge board 3 on rotating verge board 3 can slide along the cambered way 17 of offering on the column of paravent 1, cambered way 17 can be controlled the maximum rotation angle of verge board 3 under wind effect, controls the ventilative rate of maximum of paravent.
Road traffic of the present invention 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 in the time of the low ventilative rate of paravent, effectively reduce side direction wind wind speed, effectively ensured the security of operation of train; Can, in the time that 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, ensure the structural safety of railroad bridge, reduce bridge structure design difficulty.
3., can reduce train at a high speed by abat-vent time, act on the train Pneumatic pressure on windshield device
In the time of 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 point baffle design of opening and closing type, can be in the time that 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 ensure, 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 transport; Meanwhile, adopt rigid frame and Wind guard to form, damage as there is paravent, 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 ensures.
The above instrument is the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure transformation that utilizes description of the present invention 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 invention.
Claims (10)
1. a road traffic paravent, comprise framework, it is characterized in that, at least one verge board of controlling the rate of keeping out the wind by rotation is housed in framework, verge board two ends are provided with the turning cylinder rotating in order to verge board, offer pivoted hole on framework, and turning cylinder is connected with pivoted hole coupling, verge board rotates on framework by turning cylinder, is also provided with to limit the limit rotation structure that verge board rotates on framework.
2. road traffic paravent according to claim 1, is characterized in that, rotary spacing is configured to be located at the weight mass piece of verge board bottom; Or rotary spacing is configured to be located at the spacing bayonet lock on column; Or rotary spacing is configured to be located at the alignment pin on verge board and is located at the locating slot on column; Rotary spacing is configured to be located at the return springs between verge board and column; Rotary spacing is configured to be located at the magnetic part on verge board and/or column.
3. road traffic paravent according to claim 1, is characterized in that, rotary spacing structure is arranged along arc line shaped.
4. road traffic paravent according to claim 1, is characterized in that, the turning cylinder at verge board two ends is arranged symmetrically with; The setting position of turning cylinder departs from the center line of verge board.
5. road traffic paravent according to claim 1, is characterized in that, framework includes at least two root posts and/or at least one crossbeam, and verge board is arranged between two adjacent upright, or verge board is arranged between adjacent column and crossbeam; Or framework includes at least two crossbeams, verge board is arranged between adjacent two crossbeams.
6. road traffic paravent according to claim 5, is characterized in that, the fixed two adjacent root posts of crossbeam, and crossbeam is cemented in end and/or the middle part of column.
7. road traffic paravent according to claim 6, is characterized in that, verge board and/or column are provided with to control the control appliance that verge board opens and closes.
8. road traffic paravent according to claim 5, is characterized in that, the shape of cross section of column is square, rectangle, T font, I shape or circle.
9. road traffic paravent according to claim 5, is characterized in that, column is right cylinder, curved post or fold-line-shaped post, or column is the cylinder of straightway and curved section composition; Or column is the up-small and down-big variable cross-section cylinder of cross sectional dimensions.
10. according to the road traffic paravent described in any one in claim 1 to 9, it is characterized in that, multi-disc verge board is housed in framework, multi-disc verge board proper alignment; Or control appliance connects monolithic verge board, multi-disc verge board or whole verge board, and control monolithic verge board, multi-disc verge board or all switchings of verge boards; Or on verge board, offer at least one in order to ventilative gravity vent; Or gravity vent is at least one in circular hole, square hole, elliptical aperture or diamond hole; Or verge board is flat board, arc or fold-line-shaped plate; Or the plate that verge board is even thickness or the plate of uneven thickness; Or 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; Or in framework, be provided with the stiffener in order to framework is divided into multiple subregions, in each subregion, be equipped with verge board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280318.XA CN104018439A (en) | 2014-06-23 | 2014-06-23 | Windshield for road traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280318.XA CN104018439A (en) | 2014-06-23 | 2014-06-23 | Windshield for road traffic |
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|---|---|
| CN104018439A true CN104018439A (en) | 2014-09-03 |
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| CN201410280318.XA Pending CN104018439A (en) | 2014-06-23 | 2014-06-23 | Windshield for road traffic |
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| CN104988855A (en) * | 2015-06-17 | 2015-10-21 | 成都科创佳思科技有限公司 | Road warning windbreak |
| CN105040609A (en) * | 2015-08-06 | 2015-11-11 | 成都迅德科技有限公司 | Municipal environmental protection guard net |
| CN105780675A (en) * | 2016-04-28 | 2016-07-20 | 同济大学 | Wind barrier structure with adjustable wind shielding rate |
| CN106400707A (en) * | 2016-11-10 | 2017-02-15 | 中南大学 | Self-rotary air barriers used for bridge for vehicles |
| CN106988238A (en) * | 2017-04-27 | 2017-07-28 | 江苏中驰环保工程有限公司 | Optical barrier |
| CN107245939A (en) * | 2017-03-16 | 2017-10-13 | 中国铁路总公司 | Spinning sound of the wind barrier for garage's bridge |
| CN107740356A (en) * | 2017-09-26 | 2018-02-27 | 同济大学 | Applied to the Novel moveable air partition design method on Loads of Long-span Bridges with vehicle synchronous |
| CN110241759A (en) * | 2019-06-25 | 2019-09-17 | 长沙理工大学 | Road center median for construction enclosing suitable for harsher wind conditions |
| CN113652979A (en) * | 2021-08-25 | 2021-11-16 | 吉林建筑大学 | Adjustable windbreak for bridge construction |
| CN116219917A (en) * | 2023-03-06 | 2023-06-06 | 株洲时代新材料科技股份有限公司 | Method for reducing wind load of bridge barrier and common-rail same-layer bridge barrier |
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| CN113652979A (en) * | 2021-08-25 | 2021-11-16 | 吉林建筑大学 | Adjustable windbreak for bridge construction |
| CN113652979B (en) * | 2021-08-25 | 2022-09-23 | 吉林建筑大学 | Bridge construction is with adjustable windbreak |
| CN116219917A (en) * | 2023-03-06 | 2023-06-06 | 株洲时代新材料科技股份有限公司 | Method for reducing wind load of bridge barrier and common-rail same-layer bridge barrier |
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Application publication date: 20140903 |