CN117868020A - Highway left turning road section traffic safety lifting system based on self-interpretation - Google Patents
Highway left turning road section traffic safety lifting system based on self-interpretation Download PDFInfo
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- CN117868020A CN117868020A CN202311768545.2A CN202311768545A CN117868020A CN 117868020 A CN117868020 A CN 117868020A CN 202311768545 A CN202311768545 A CN 202311768545A CN 117868020 A CN117868020 A CN 117868020A
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Abstract
The invention relates to a self-explanatory-based highway left-turning road section traffic safety lifting system, which is divided into three grades of a small-radius curve system with a radius range of less than 800m, a medium-radius curve system with a radius range of 800-1500 m and a large-radius curve system with a radius range of more than 1500m according to curve radius of a curve. The invention uses the intersection installation combinations with different densities and different heights to reasonably regulate and control the illusion of the curve, improve the curvature sensing capability of a driver, enlarge the visible range of reflective facilities, improve the brightness and the contrast of key visual information of the curve environment and define the building limit of the curve; the speed of a driver is reduced, the driving tension is improved, and the driver is attracted, so that the traffic safety of the expressway curve is improved, the expressway curve is suitable for one-way three lanes, and the speed limit is 100-120 km/h.
Description
Technical Field
The invention relates to the field of traffic safety facilities, in particular to a self-explanatory-based traffic safety lifting system for left turning road sections of highways.
Background
The accident risk of the expressway curve section is high, and especially the accident rate under a small-radius flat curve is higher. This is because the driver is not as slow as entering the curve and is liable to hit the outer side guard rail. Meanwhile, the plant landscape and anti-dazzle facilities on the left turn road block the sight, so that a driver is difficult to clearly see the road environment in front, the turn is wrong and the road is deviated, the sight is also easy to cause that a rear vehicle is difficult to notice an accident scene in time after being blocked by an obstacle, and the risk of secondary accidents is increased.
The frequency of accidents of trucks on expressway curves is high. The trucks are difficult to operate, slow down and turn quickly, and the driver is prone to fatigue, affecting the ability to find and respond to curves. In addition, the gravity center of the truck is higher, and rollover accidents are easy to occur. When driving at night, the car lamp is the main lighting device. However, on a curve, due to the irradiation distance and angle of the lamp, the driver can only see the induction facilities within a limited range, and the driver can not observe the road conditions at a long distance, so that the driving risk is increased.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a self-explanatory expressway left turning road section traffic safety lifting system which uses intersection installation combinations with different densities and different heights to reasonably regulate and control curve illusions and improve the curvature sensing capability of a driver so as to improve the expressway curve traffic safety.
The technical scheme adopted for solving the technical problems is as follows: constructing a self-explanatory-based highway left-turning road traffic safety lifting system, which comprises three grades, namely a small-radius curve system with a radius range of less than 800m, a medium-radius curve system with a radius range of 800-1500 m and a large-radius curve system with a radius range of more than 1500 m;
the large-radius curve system comprises guardrails arranged on two sides of a road, guardrail upright posts arranged on the inner side of the middle of the guardrail, reflective bottom posts arranged on the surfaces of the guardrail upright posts at intervals, guardrail reflective rods sleeved on the tops of the guardrail upright posts, combined profile marks and arc reflective marks arranged on the surfaces of the guardrails, marked lines arranged on two sides of the road and in the middle of the road, and single-layer raised road marks arranged on the marked lines; the combined outline mark is positioned at the top of the light reflecting bottom post, the arc-shaped light reflecting mark is positioned in the middle of the adjacent combined outline mark, and the light reflecting bottom post, the guardrail upright post, the light reflecting bottom post and the combined outline mark are all 1: 4-5, wherein the width of the marked line is 25-30 cm;
the curve system of the middle radius curve comprises guardrails arranged on two sides of a road, guardrail upright posts arranged on the inner side of the middle of the guardrail, reflective bottom posts arranged on the surface of the guardrail upright posts at intervals, a guardrail reflective rod sleeved on the top of the guardrail upright posts, a combined profile mark and an arc reflective mark arranged on the surface of the guardrail, marking lines arranged on two sides of the road and the middle of the road, and double-layer raised road marks arranged on the marking lines, wherein the setting frequency of the set reflective rods arranged on the outer side of the guardrail and the guardrail is 1: 3-4 high-pole luminous columns; wherein, combination profile mark and arc reflection of light mark all set up on the guardrail surface, arc reflection of light mark sets up in the middle of adjacent combination profile mark, reflection of light end post and guardrail stand, reflection of light end post and combination profile mark all with 1: 4-5, wherein the width of the marked line is 30-35 cm;
the small-radius curve system comprises guardrails arranged on two sides of a road, guardrail upright posts arranged on the inner side of the middle of the guardrail, reflective bottom posts arranged on the surface of the guardrail upright posts at intervals, a guardrail reflective rod sleeved on the top of the guardrail upright posts, a combined outline mark and an arc reflective mark arranged on the surface of the guardrail, marking lines arranged on two sides of the road and the middle of the road, and double-layer raised road marks arranged on the marking lines, wherein the setting frequency of the guardrail reflective rod arranged on the outer side of the guardrail is 1: 3-4, a high-pole luminous column, a rectangular reflecting frame arranged outside the guardrail, a variable information board arranged on the rectangular reflecting frame, transverse colored pavement arranged on the road surface, and arrow-shaped guiding marks arranged on the guardrail outside the curve; wherein, combination profile mark and arc reflection of light mark all set up on the guardrail surface, arc reflection of light mark sets up in the middle of adjacent combination profile mark, reflection of light end post and guardrail stand, reflection of light end post and combination profile mark all with 1: 4-5, and the width of the marked line is 35-40 cm.
According to the scheme, the reflective bottom column is a guardrail column with a yellow or white reflective film arranged on the surface; the combined profile mark is arranged on the inner side of the guardrail, and the width of the combined profile mark is 10-20 cm; the combined profile mark comprises a trapezoid structure arranged on an upper layer, an arc structure arranged on a middle layer and a trapezoid structure arranged on a lower layer, wherein the trapezoid structure is arranged on a concave part of the guardrail, and the arc structure is arranged on a convex part of the guardrail; the front surface of the combined outline mark is provided with a long afterglow luminescent material and a fluorescent yellow-green reflecting film, and the side surface of the combined outline mark facing the visual angle of a driver is provided with a white or orange reflecting film; the raised pavement marker is hemispherical, the distance between the raised pavement marker and the large radius curve system is 8-16 m, the distance between the raised pavement marker and the medium radius curve system is 6-12 m, and the distance between the raised pavement marker and the small radius curve system is 4-8 m.
According to the scheme, the arc-shaped reflective mark is arranged on the inner side of the guardrail, the front face of the arc-shaped reflective mark is rectangular, the side faces of the arc-shaped reflective mark are provided with a plurality of arc-shaped combinations with the length of 5-10 cm, the protruding width of the arc-shaped reflective mark is 1-3 cm, and the surface of the arc-shaped reflective mark is provided with a white or orange reflective film; the width of the arc-shaped reflective cursor is 0.1-0.2 m, the length of the arc-shaped reflective cursor in a large radius curve is 0.5-1 m, the length of the arc-shaped reflective cursor in a medium radius curve is 1-1.5 m, and the length of the arc-shaped reflective cursor in a small radius curve is 1.5-2 m.
According to the scheme, the guardrail light-reflecting rod comprises a telescopic rod, led lamps and a solar panel which are sequentially arranged from bottom to top, wherein the telescopic rod is 2-3 layers, the length of the guardrail light-reflecting rod is 0.5-1 m, a fluorescent yellow-green light-reflecting film is arranged on the surface of the guardrail light-reflecting rod, and the led lamps sequentially emit light clockwise or anticlockwise according to a circle;
the led lamp emits light clockwise or anticlockwise according to a circle or emits light by flashing at a fixed frequency, and emits orange light under the normal passing condition of night and rain and fog, and emits red light if an accident occurs in front.
According to the scheme, the distance between the adjacent Gao Gan luminous columns is 30-60 m, the height of the Gao Gan luminous columns in the medium radius curve system is 3-3.5 m, and the setting frequency of the Gao Gan luminous columns and the guardrail light reflecting rods is 1:3 to 4; the height of the Gao Gan luminous column in the small-radius curve system is 3.5-4.0 m, and the setting frequency of the luminous column and the guardrail light-reflecting rod is 1:2 to 3;
the surface of the Gao Gan luminous column is provided with a fluorescent yellow-green reflecting film, and the Gao Gan luminous column further comprises a columnar warning sign, a flashing lamp and a solar panel which are sequentially arranged from bottom to top; the flash lamp is round with the diameter of 20-40 cm; the length of the columnar warning mark is 0.5-1 m;
the flashing lamp is round with the diameter of 20-40 cm, flashes at a fixed frequency to emit light, emits orange light or white light under normal traffic conditions, and emits red light if an accident occurs in the front;
the length of the columnar warning mark is 0.5-1 m, the columnar warning mark is in the height range of 1.5-2.5 m, a plastic material with the diameter of 15-30 cm is adopted, and an orange reflecting film is stuck on the surface of the columnar warning mark.
According to the scheme, the arrow-shaped inducing mark is arranged between the rectangular reflecting frame and the high-pole luminous posts, and the arrow-shaped inducing mark is arranged on the outer side guard rail between the adjacent high-pole luminous posts;
the arrow-shaped guiding mark is 2-4 m long, the left side is 0.8-1.2 m wide, the right side is 0.4-0.6 m wide, the upper side and the lower side are designed by adopting convex circular arcs, four gradually reduced arrows are arranged in the arrow-shaped guiding mark, and a light reflecting film of the arrow-shaped guiding mark adopts green-background white patterns or yellow-background black patterns.
According to the scheme, the variable information board is arranged at the starting point of the curve, and is clamped on the supporting door frames at two sides of the road, the lane display suspended below the supporting door frames and the display screen arranged above the lane display;
the display screen displays a front curve during normal traffic and a traffic accident during the front accident when the front curve is in a slow speed;
the lane indicator presents a green arrow when a current lane can pass, and presents a red fork when an accident occurs in the current lane and cannot pass;
the supporting portal is provided with a height of 6-8 m and consists of a cross bar with a width of 15-30 cm above and a vertical bar with a width of 15-30 cm on the left side and the right side, wherein the cross bar is rectangular, a fluorescent yellow-green reflective film with a narrow upper left side and a narrow lower right side Fang Kuan and an S-shaped reflective film is attached to the outside of the cross bar, and the vertical bar is cylindrical; when the light source is at the inner side of a curve, the vertical rod is stuck with a fluorescent yellow-green reflecting film with narrow upper part and wide lower part and S shape.
According to the scheme, the rectangular reflecting frames are arranged inside the curve, the arrangement distance between the adjacent rectangular reflecting frames is 120-180 m, and the arrangement frequency of the rectangular reflecting frames and the high-pole luminous column is 1:3 to 4;
the rectangular reflecting frame comprises vertical rods arranged on two sides of the lane in a clamping way, cross rods arranged between the vertical rods, and lane indicators suspended below the cross rods;
the transverse rod is rectangular, a fluorescent yellow-green reflective film with the upper left part being narrow and the lower right part being Fang Kuan and the shape of S is attached to the outer part of the transverse rod, and the vertical rod is cylindrical; when the light source is at the inner side of a curve, the vertical rod is stuck with a fluorescent yellow-green reflecting film with narrow upper part and wide lower part and S shape.
According to the scheme, the transverse color pavement is arranged on the pavement below the rectangular reflecting frame and the variable information board, and the transverse color pavement is 3-6 m in width and red in color.
According to the scheme, the traffic safety lifting system for the left turning road section of the expressway is suitable for one-way three lanes, and the speed limit is 100-120 km/h in the curve road section of the expressway.
The self-explanatory-based highway left turning road traffic safety lifting system has the following beneficial effects:
1. in the invention, the intersection construction combination with different densities and different heights is applied to curves with different radiuses, and the smaller the radius of the curve is, the larger the density of intersection facilities is, and the higher the height is; for a small radius curve, a Gao Gan luminous column, a rectangular reflecting frame and a variable information board are additionally arranged at a high position, so that the height of a guardrail reflecting rod is increased, and a driver is promoted to pay attention to curve information at a more distant position; when traffic accidents occur, red light appears on the guardrail light-reflecting rod and the high-pole light-emitting column, the variable information board provides warning information, and the lane indicator dynamically changes the passing right, so that the dynamic reminding of the accidents can be realized;
2. according to the invention, the light reflecting facilities at the higher positions such as the guardrail light reflecting rods and the Gao Gan light emitting columns can improve the judgment capability of drivers on the trend of the front road, reduce the shielding influence of obstacles such as front vehicles and road side plants, and enhance the visual guidance of truck drivers. The display height of the outline of the guardrail can be adjusted by utilizing the guardrail light-reflecting rod with a sleeve type and telescopic structure, and the display effect of the outline of the road can be enhanced by the flickering led lamp at the top; the high-pole luminous column utilizes a round lamp capable of flashing and emitting light and a retroreflective columnar warning sign to enhance the warning effect of a small-radius curve road section;
3. in the invention, a part of guardrail bottom posts are provided with the reflective film, the middle part of the guardrail bottom posts is provided with the combined outline mark and the arc reflective mark with three-layer structures, and the top part of the guardrail bottom posts is provided with the guardrail reflective rod, so that the vertical display continuity of the guardrail is realized, and the outline of the road is obviously improved at night; the multi-density facility combination and the wide marking design can help the driver to reduce the speed, improve the driving tension and draw the attention of the driver;
4. in the invention, the arrow-shaped guiding mark and the arc-shaped reflecting mark enhance the longitudinal display effect of the road line shape, enhance the visual continuity and improve the curvature perception of the curve of the driver; the S-shaped and cylindrical reflective films and hemispherical raised road signs are adopted outside part of the facilities, so that the visual range of the traffic installation is enhanced;
5. according to the invention, the guardrail light-reflecting rod, the arrow-shaped guide mark and the high-pole light-emitting column can improve the brightness and the contrast of key visual information of a curve environment, and the front car can be found in time once the guardrail light-reflecting rod, the arrow-shaped guide mark and the high-pole light-emitting column are shielded by the front car, so that the facilities are beneficial to finding the front car, the function of improving the distance between the guardrail light-reflecting rod and the front car can be achieved, namely, a driver can see 2-3 arrow-shaped guide marks or 2-3 high-pole light-emitting columns at the same time when driving, and the minimum safe distance can be met.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic front view of the small radius left turn section traffic safety lifting method of the present invention;
FIG. 2 is a schematic side view of the small radius left turn section traffic safety lifting method of the present invention;
FIG. 3 is a schematic side view of a method for improving traffic safety on a radius left-turn road section according to the present invention;
FIG. 4 is a schematic side view of the method for improving traffic safety in a large radius left turn section of the present invention;
FIG. 5 is a schematic diagram of a variable information board structure according to the present invention;
FIG. 6 is a schematic view of a rectangular reflector structure of the present invention;
FIG. 7 is a schematic view of the structure of the guardrail light-reflecting rod of the present invention;
FIG. 8 is a schematic view of a high-pole luminous column structure of the invention;
FIG. 9 is a schematic diagram of the combined delineator structure of the present invention;
FIG. 10 is a schematic view of an arcuate reflective cursor structure of the present invention;
in the figure: 1. guardrail, 2, guardrail upright post, 3, reflection of light end post, 4, combination outline mark, 5, protruding road sign, 6, support portal, 7, rectangle reflection of light frame, 8, variable information board, 9, lane indicator, 10, arrow type induction mark, 11, arc reflection of light mark, 12, guardrail reflection of light pole, 13, gao Gan luminous pole, 14, marking, 15, horizontal colour is mated formation, 16, montant, 17, horizontal pole, 18, display screen, 121, circular solar panel, 122, led lamp, 131, rectangle solar panel, 132, flashing lamp, 133, column warning mark.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-10, the traffic safety lifting system based on the self-explanatory expressway left turning road section of the invention divides a curve into three levels according to the radius of the curve, wherein the three levels are respectively a small radius curve system, a medium radius curve system and a large radius curve system, the radius range of the small radius curve system is below 800m, the radius range of the medium radius curve system is 800-1500 m, and the radius range of the large radius curve system is above 1500 m.
In a large radius curve system: the guardrail comprises guardrails 1 arranged on two sides of a road, guardrail upright posts 2 arranged on the outer side of the guardrail 1, a light reflecting bottom post 3 sleeved on the upper end of part of guardrail upright posts 2, and a guardrail light reflecting rod 12 arranged above the light reflecting bottom post 3 for increasing the height of the guardrail upright posts 2, wherein a combined outline mark 4 and an arc-shaped light reflecting mark 11 are arranged on the inner side of the guardrail 1. The width of the marked lines 14 arranged on the two sides of the road is increased from 20cm to 25-30 cm, and the single-layer raised road marks 5 are arranged on the marked lines 14 on the two sides and in the middle.
In a medium radius curve system: on the basis of a large radius curve, a high-pole luminous column 13 is arranged at the position of 0.5-1 m outside the guardrail, the width of marking lines 14 arranged on two sides of a road is increased to 30-35 cm, and double-layer raised road marks 5 are arranged on the marking lines 14 on two sides of the road.
In a small radius curve system: on the basis of a medium radius curve, rectangular reflecting frames 7 are added to two sides of a road, a variable information board 8 is hung at the lower end of each rectangular reflecting frame 7, transverse color pavement 15 is arranged on the surface of the road, the width of marked lines 14 on two sides of the road is increased to 35-40 cm, and arrow-shaped induction marks 10 are arranged on guardrails on the outer sides of the curved road. The above constitutes the basic structure of the present invention.
In the preferred embodiment of the invention, the reflective bottom post 3 is formed by attaching a yellow or white reflective film on the side surface of the guardrail post 2, and the setting frequency of the reflective bottom post 3 and the guardrail post 2 is 1:4 to 5. The combined outline marker 4 is arranged above the reflective bottom post 3 and is positioned on the inner side of the guardrail 1, and the arrangement interval is the same as that of the reflective bottom post 3; the width of the combined outline marker 4 is 10-20 cm, the structure is divided into three layers, the upper layer and the lower layer are of trapezoid structures, the upper layer and the lower layer are positioned at the concave part of the guardrail 1, the middle layer is of arc structures, the middle layer is positioned at the convex part of the guardrail 1, the front surface of the combined outline marker 4 is provided with a long afterglow luminescent material and a fluorescent yellow-green reflecting film, and the side surface facing the visual angle of a driver is stuck with a white or orange reflecting film. The raised road sign 5 is hemispherical and is arranged on the central line and the side line of the road; the arrangement space of the raised road sign 5 in the large radius curve system is 8-16 m, the arrangement space of the raised road sign 5 in the medium radius curve system is 6-12 m, and the arrangement space of the raised road sign 5 in the small radius curve system is 4-8 m. The combined outline sign 4 can be provided with a solar panel, and the side surface of the combined outline sign is provided with a LED lamp capable of flashing and emitting light, so that the night display effect is enhanced. The raised road sign 5 adopts a hemispherical design, can ensure 360-degree reflection in all directions, and further lightens the curve linear outline.
In the preferred embodiment of the invention, the arc-shaped reflective mark 11 is arranged on the inner side of the guardrail 1, the front surface of the arc-shaped reflective mark 11 is rectangular, the side surface of the arc-shaped reflective mark is provided with a plurality of arc-shaped combinations, the length of a single arc is 5-10 cm, the width of a bulge is 1-3 cm, the surface of the single arc is stuck with a white or orange reflective film, and the arc-shaped design can improve the reflective range and enhance the visual recognition effect. The width of the arc reflective mark 11 is 0.1-0.2 m, the length in the large radius curve system is 0.5-1 m, the length in the medium radius curve system is 1-1.5 m, the length in the small radius curve system is 1.5-2 m, the longer the reflective length is, the speed sense of the driver is improved, and the driver can be prompted to slow down. The arrangement space of the arc reflective marks 11 is the same as that of the reflective bottom posts 3, and the arc reflective marks are arranged in the middle of the adjacent combined profile marks 4.
In the preferred embodiment of the invention, the interface of the guardrail light-reflecting rod 12 is slightly larger than the guardrail upright post 2, and can be directly sleeved above the guardrail upright post 2, the interior of the guardrail light-reflecting rod comprises 2-3 layers of telescopic structures, the whole length is 0.5-1 m, and the guardrail light-reflecting rod is convenient to install on the guardrail upright post 2 due to the structural design and easy to adjust the height. The surface of the guardrail light-reflecting rod 12 is stuck with a fluorescent yellow-green light-reflecting film, and the top is provided with a solar panel 121 and a circle of led lamps 122. The led lamp 122 emits light sequentially clockwise or anticlockwise according to a circle, or emits light by flashing at a fixed frequency, emits orange light in the normal traffic condition of night and rain and fog, emits red light if an accident occurs in front, and can highlight the outline of the guardrail by adopting the structural arrangement, thereby enhancing the visual guiding effect on a truck driver and improving the emergency warning effect on the accident.
In the preferred embodiment of the invention, the setting interval of the adjacent high-pole luminous pillars 13 is 30-60 m, the height of the high-pole luminous pillars 13 in the medium-radius curve system is 3-3.5 m, and the setting frequency of the high-pole luminous pillars and the guardrail light-reflecting rods 12 is 1:3 to 4; the height of the high-pole luminous column 13 in the small-radius curve system is 3.5-4.0 m, and the setting frequency of the high-pole luminous column and the guardrail light-reflecting rod 12 is 1:2 to 3. The surface of the high-pole luminous column 13 is provided with a fluorescent yellow-green reflecting film, and the top is provided with a solar panel 131, a flashing lamp 132 and a columnar warning sign 133. The blinking lamp 132 is a circle with a diameter of 20-40 cm, blinks at a fixed frequency, emits orange light or white light in normal traffic conditions, emits red light if an accident occurs in front, and is helpful for drivers to acquire curve information at a farther place. The length of the columnar warning sign 133 is 0.5-1 m, the columnar warning sign is in the height range of 1.5-2.5 m, a plastic material with the diameter of 15-30 cm is adopted, an orange reflective film is stuck on the surface of the columnar warning sign, the columnar warning sign is positioned at the sight height of a truck driver, the truck driver can conveniently find the driving limit of a curve, and the probability of colliding with a guardrail is reduced. Gao Gan the luminous pillars 13 need to be slightly away from the guard rail by 0.5-1 m, but the visible area is ensured not to be blocked by the roadside plants.
In the preferred embodiment of the present invention, the arrow-shaped inducing sign 10 is disposed at the outer side guard rail between the rectangular reflecting frame 7 and the high-pole luminous pillars 13 and between the adjacent high-pole luminous pillars 13. The arrow-shaped guiding mark 10 is 2-4 m long, the left side is 0.8-1.2 m wide, the right side is 0.4-0.6 m wide, the upper side and the lower side are designed by adopting convex circular arcs, four gradually reduced arrows are arranged in the upper side and the lower side, and the reflective film adopts a green-background white pattern or yellow-background black pattern. The length of the arrow-shaped guiding mark 10 is larger than that of the linear guiding mark, the linear display effect on the road ahead is enhanced, four decreasing arrows can indicate the turning direction, a driver can see a larger arrow at a distance and preferentially, and a small arrow is seen at a near place, so that the information quantity is not excessive.
In the preferred embodiment of the invention, the variable information board 8 is arranged at the starting point of the curve and comprises a display screen 18, a lane indicator 9 and a support door frame 6, wherein the support door frame 6 is clamped at two sides of a road, the lane display 9 is hung at the lower end of the support door frame 6, and the display screen 18 is arranged at the top of the support door frame 6. The display screen 18 displays "front curve, slow down" at the time of normal traffic, and "traffic accident at front curve" at the time of accident at the front. The lane indicator 9 presents a green arrow when the current lane can pass and a red fork when an accident occurs in the current lane and cannot pass. The supporting portal 6 is provided with a height of 6-8 m and consists of a cross bar 17 with a width of 15-30 cm at the upper part and a vertical bar 16 with a width of 15-30 cm at the left side and the right side, wherein the cross bar 17 is rectangular, and a fluorescent yellow-green reflective film with a narrow upper left part and a narrow lower right part and an S shape is attached to the outside. The vertical rod 16 is cylindrical, and when the vertical rod 16 is arranged outside a curve, a fluorescent yellow-green reflective film is attached to the vertical rod 16; when inside a curve, the vertical rod 16 is stuck with a fluorescent yellow-green reflecting film with narrow upper part and wide lower part and S shape. By adopting the vertical rod 16, the light reflecting area at the outer side of the curve is larger than that at the inner side by matching with the cross rod 17, the turning direction of the curve is displayed, and the visual recognition characteristic that a driver firstly sees information at the outer side of the curve in the curve is met. The display screen 18 may contain lane information, speed limit information, front link forecast information, etc., notifying the front link of traffic information, etc.
In the preferred embodiment of the invention, the rectangular reflecting frame 7 is arranged in the curve, the arrangement interval is 120-180 m, and the arrangement frequency of the rectangular reflecting frame 7 and the high-pole luminous column 13 is 1:3 to 4. The rectangular reflecting frame 7 comprises a lane indicator 9, a cross bar 17 and a vertical bar 16, wherein the reflecting film design of the cross bar 17 and the vertical bar 16 is the same as that of the supporting portal frame 6. By adopting the rectangular reflecting frame 7, the shielding probability of the front vehicle and landscape plants is reduced, and the driver can conveniently react to the front curve environment.
In the preferred embodiment of the invention, the transverse colored pavement 15 is arranged on the pavement below the rectangular reflecting frame 7 and the variable information board 8, the width is 3-6 m, the color is red, road surface marks such as curve slow running, suggested speed 80 and the like are added, so that the omnibearing visual information guiding and warning of high-level, medium-level, low-level and pavement are formed, and the redundancy of information is enhanced. The transverse colored pavement 15 can draw attention of a driver, has the characteristics of skid resistance and wear resistance, improves the friction coefficient of the pavement, and reduces the accident risk; when the curve truck occupies a larger area or has more accidents, the transverse color pavement arrangement area can be enlarged, and transverse deceleration marked lines are arranged on the transverse color pavement arrangement area.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (10)
1. The traffic safety lifting system based on the self-interpretation expressway left turning road section is characterized by comprising three grades, namely a small-radius curve system with a radius range of less than 800m, a medium-radius curve system with a radius range of 800-1500 m and a large-radius curve system with a radius range of more than 1500 m;
the large-radius curve system comprises guardrails arranged on two sides of a road, guardrail upright posts arranged on the inner side of the middle of the guardrail, reflective bottom posts arranged on the surfaces of the guardrail upright posts at intervals, guardrail reflective rods sleeved on the tops of the guardrail upright posts, combined profile marks and arc reflective marks arranged on the surfaces of the guardrails, marked lines arranged on two sides of the road and in the middle of the road, and single-layer raised road marks arranged on the marked lines; the combined outline mark is positioned at the top of the light reflecting bottom post, the arc-shaped light reflecting mark is positioned in the middle of the adjacent combined outline mark, and the light reflecting bottom post, the guardrail upright post, the light reflecting bottom post and the combined outline mark are all 1: 4-5, wherein the width of the marked line is 25-30 cm;
the curve system of the middle radius curve comprises guardrails arranged on two sides of a road, guardrail upright posts arranged on the inner side of the middle of the guardrail, reflective bottom posts arranged on the surface of the guardrail upright posts at intervals, a guardrail reflective rod sleeved on the top of the guardrail upright posts, a combined profile mark and an arc reflective mark arranged on the surface of the guardrail, marking lines arranged on two sides of the road and the middle of the road, and double-layer raised road marks arranged on the marking lines, wherein the setting frequency of the set reflective rods arranged on the outer side of the guardrail and the guardrail is 1: 3-4 high-pole luminous columns; wherein, combination profile mark and arc reflection of light mark all set up on the guardrail surface, arc reflection of light mark sets up in the middle of adjacent combination profile mark, reflection of light end post and guardrail stand, reflection of light end post and combination profile mark all with 1: 4-5, wherein the width of the marked line is 30-35 cm;
the small-radius curve system comprises guardrails arranged on two sides of a road, guardrail upright posts arranged on the inner side of the middle of the guardrail, reflective bottom posts arranged on the surface of the guardrail upright posts at intervals, a guardrail reflective rod sleeved on the top of the guardrail upright posts, a combined outline mark and an arc reflective mark arranged on the surface of the guardrail, marking lines arranged on two sides of the road and the middle of the road, and double-layer raised road marks arranged on the marking lines, wherein the setting frequency of the guardrail reflective rod arranged on the outer side of the guardrail is 1: 3-4, a high-pole luminous column, a rectangular reflecting frame arranged outside the guardrail, a variable information board arranged on the rectangular reflecting frame, transverse colored pavement arranged on the road surface, and arrow-shaped guiding marks arranged on the guardrail outside the curve; wherein, combination profile mark and arc reflection of light mark all set up on the guardrail surface, arc reflection of light mark sets up in the middle of adjacent combination profile mark, reflection of light end post and guardrail stand, reflection of light end post and combination profile mark all with 1: 4-5, and the width of the marked line is 35-40 cm.
2. The traffic safety lifting system based on self-explanatory expressway left-turn section according to claim 1, wherein the light-reflecting bottom posts are guardrail posts provided with yellow or white light-reflecting films on the surfaces; the combined profile mark is arranged on the inner side of the guardrail, and the width of the combined profile mark is 10-20 cm; the combined profile mark comprises a trapezoid structure arranged on an upper layer, an arc structure arranged on a middle layer and a trapezoid structure arranged on a lower layer, wherein the trapezoid structure is arranged on a concave part of the guardrail, and the arc structure is arranged on a convex part of the guardrail; the front surface of the combined outline mark is provided with a long afterglow luminescent material and a fluorescent yellow-green reflecting film, and the side surface of the combined outline mark facing the visual angle of a driver is provided with a white or orange reflecting film; the raised pavement marker is hemispherical, the distance between the raised pavement marker and the large radius curve system is 8-16 m, the distance between the raised pavement marker and the medium radius curve system is 6-12 m, and the distance between the raised pavement marker and the small radius curve system is 4-8 m.
3. The traffic safety lifting system based on self-explanatory expressway left-turn section according to claim 1, wherein the arc reflective mark is arranged on the inner side of the guardrail, the front surface of the arc reflective mark is rectangular, the side surface of the arc reflective mark is a plurality of arc combinations with the length of 5-10 cm, the protruding width of the arc reflective mark is 1-3 cm, and the surface of the arc reflective mark is provided with a white or orange reflective film; the width of the arc-shaped reflective cursor is 0.1-0.2 m, the length of the arc-shaped reflective cursor in a large radius curve is 0.5-1 m, the length of the arc-shaped reflective cursor in a medium radius curve is 1-1.5 m, and the length of the arc-shaped reflective cursor in a small radius curve is 1.5-2 m.
4. The traffic safety lifting system based on the self-explanatory expressway left turning section according to claim 1, wherein the guardrail light reflecting rod comprises a telescopic rod, led lamps and a solar panel which are sequentially arranged from bottom to top, the telescopic rod is 2-3 layers, the length of the guardrail light reflecting rod is 0.5-1 m, a fluorescent yellow-green light reflecting film is arranged on the surface of the guardrail light reflecting rod, and the led lamps sequentially emit light according to a circle clockwise or anticlockwise;
the led lamp emits light clockwise or anticlockwise according to a circle or emits light by flashing at a fixed frequency, and emits orange light under the normal passing condition of night and rain and fog, and emits red light if an accident occurs in front.
5. The traffic safety lifting system for left turning road section of expressway based on self-explanation according to claim 1, wherein the distance between adjacent Gao Gan luminous pillars is 30-60 m, the height of Gao Gan luminous pillars in the medium radius curve system is 3-3.5 m and the setting frequency of the luminous pillars and the guardrail reflective polish rod is 1:3 to 4; the height of the Gao Gan luminous column in the small-radius curve system is 3.5-4.0 m, and the setting frequency of the luminous column and the guardrail light-reflecting rod is 1:2 to 3;
the surface of the Gao Gan luminous column is provided with a fluorescent yellow-green reflecting film, and the Gao Gan luminous column further comprises a columnar warning sign, a flashing lamp and a solar panel which are sequentially arranged from bottom to top; the flash lamp is round with the diameter of 20-40 cm; the length of the columnar warning mark is 0.5-1 m;
the flashing lamp is round with the diameter of 20-40 cm, flashes at a fixed frequency to emit light, emits orange light or white light under normal traffic conditions, and emits red light if an accident occurs in the front;
the length of the columnar warning mark is 0.5-1 m, the columnar warning mark is in the height range of 1.5-2.5 m, a plastic material with the diameter of 15-30 cm is adopted, and an orange reflecting film is stuck on the surface of the columnar warning mark.
6. The self-explanatory highway left turn section traffic safety lifting system according to claim 1, wherein the arrow-shaped inducing sign is disposed between the rectangular reflecting frame and the high-pole luminous pillars, and the arrow-shaped inducing sign is disposed on the outer side guard rail between the adjacent high-pole luminous pillars;
the arrow-shaped guiding mark is 2-4 m long, the left side is 0.8-1.2 m wide, the right side is 0.4-0.6 m wide, the upper side and the lower side are designed by adopting convex circular arcs, four gradually reduced arrows are arranged in the arrow-shaped guiding mark, and a light reflecting film of the arrow-shaped guiding mark adopts green-background white patterns or yellow-background black patterns.
7. The traffic safety lifting system based on self-explanatory highway left-turn section according to claim 1, wherein the variable information board is arranged at the starting point of a curve, and the variable information board is arranged on two sides of a road, a support portal, a lane display suspended below the support portal and a display screen arranged above the lane display;
the display screen displays a front curve during normal traffic and a traffic accident during the front accident when the front curve is in a slow speed;
the lane indicator presents a green arrow when a current lane can pass, and presents a red fork when an accident occurs in the current lane and cannot pass;
the supporting portal is provided with a height of 6-8 m and consists of a cross bar with a width of 15-30 cm above and a vertical bar with a width of 15-30 cm on the left side and the right side, wherein the cross bar is rectangular, a fluorescent yellow-green reflective film with a narrow upper left side and a narrow lower right side Fang Kuan and an S-shaped reflective film is attached to the outside of the cross bar, and the vertical bar is cylindrical; when the light source is at the inner side of a curve, the vertical rod is stuck with a fluorescent yellow-green reflecting film with narrow upper part and wide lower part and S shape.
8. The traffic safety lifting system based on self-explanatory highway left turning section according to claim 1, wherein the rectangular reflecting frames are arranged in the curves, the arrangement distance between adjacent rectangular reflecting frames is 120-180 m, and the arrangement frequency of the rectangular reflecting frames and the high-pole luminous columns is 1:3 to 4;
the rectangular reflecting frame comprises vertical rods arranged on two sides of the lane in a clamping way, cross rods arranged between the vertical rods, and lane indicators suspended below the cross rods;
the transverse rod is rectangular, a fluorescent yellow-green reflective film with the upper left part being narrow and the lower right part being Fang Kuan and the shape of S is attached to the outer part of the transverse rod, and the vertical rod is cylindrical; when the light source is at the inner side of a curve, the vertical rod is stuck with a fluorescent yellow-green reflecting film with narrow upper part and wide lower part and S shape.
9. The traffic safety lifting system based on self-explanatory expressway left-turn section according to claim 1, wherein the transverse color pavement is arranged on the road surface below the rectangular reflecting frame and the variable information board, and the transverse color pavement is 3-6 m in width and red in color.
10. The self-explanatory highway left-turn section traffic safety lifting system according to claim 1, wherein the highway left-turn section traffic safety lifting system is applicable to one-way three lanes in a highway curve section with a speed limit of 100-120 km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311768545.2A CN117868020A (en) | 2023-12-20 | 2023-12-20 | Highway left turning road section traffic safety lifting system based on self-interpretation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311768545.2A CN117868020A (en) | 2023-12-20 | 2023-12-20 | Highway left turning road section traffic safety lifting system based on self-interpretation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117868020A true CN117868020A (en) | 2024-04-12 |
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ID=90582211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311768545.2A Pending CN117868020A (en) | 2023-12-20 | 2023-12-20 | Highway left turning road section traffic safety lifting system based on self-interpretation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117868020A (en) |
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2023
- 2023-12-20 CN CN202311768545.2A patent/CN117868020A/en active Pending
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