阅读说明：本技术 一种临崖低等级公路弯坡路段分级线性诱导系统 (Cliff low-grade highway curved slope section grading linear induction system ) 是由 杜志刚 刘婷 杨柳 陈灿 韩磊 于 2021-08-12 设计创作，主要内容包括：本发明涉及临崖道路的交通安全技术领域,特指一种临崖低等级公路弯坡路段分级线性诱导系统,将临崖弯坡路段分为观察段、靠近段和弯道段,根据分段对其进行分级的线形诱导,包括在路面设置地面引导标志,在观察段设置低闪现频率轮廓结构,在靠近段设置中闪现频率轮廓结构,在弯道段设置高闪现频率轮廓结构和环形反光构建,在观察段起始处、观察段与靠近段交界处、靠近段与弯道段交界处设置三棱柱门架,并且对各个防护墩设置立面标记。本发明采用这样的结构设置,通过路面的低位诱导,路侧的中位诱导以及路面上方空间的高位诱导,对驾驶员进行提前预警和动态预警,从而保障临崖弯坡路段的安全,提升白天及夜间行驶安全。(The invention relates to the technical field of traffic safety of cliff roads, in particular to a cliff low-grade highway curved road section grading linear induction system, which divides a cliff curved road section into an observation section, a near section and a curved road section, and carries out grading linear induction according to the subsection. By adopting the structure, the invention can early warn and dynamically warn the driver in advance through the low-position induction of the road surface, the middle-position induction of the road side and the high-position induction of the space above the road surface, thereby ensuring the safety of the road section adjacent to the cliff and improving the driving safety in the daytime and at night.)

1. The utility model provides a face hierarchical linear induction system in cliff low grade highway curved slope highway section which characterized in that: the cliff-facing curved road section comprises an observation section (10) arranged on a straight line section, a close section (20) arranged on a gentle curve section and a curve section (30) arranged on a round curve section, wherein an induction system of the cliff-facing curved road section comprises a low-flash-frequency profile structure (11) arranged on the observation section (10), a medium-flash-frequency profile structure (21) arranged on the close section (20), a high-flash-frequency profile structure (31) and an annular reflecting structure (5) arranged on the curve section (30), a triangular prism portal (4) arranged on the road section and a ground guide mark (19) arranged on a lane.

2. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 1, wherein: low frequency of flashing profile structure (11) are including the symmetry setting at a plurality of observation section protection mounds (1) that face the cliff side with face the cliff side, be equipped with two observation section profile posts (12) on observation section protection mound (1), the height of observation section profile post (12) is 70 ~ 80cm, and the diameter is 30 ~ 35cm, be equipped with blue and white alternate reflective membrane on observation section profile post (12), one side that observation section protection mound (1) and lane correspond is equipped with two sets of facade mark (41), be equipped with blue and white alternate reflective membrane on facade mark (41), the width of facade mark (41) is 10 ~ 15 cm.

3. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 1, wherein: the middle flash frequency contour structure (21) comprises a plurality of adjacent section protection piers (2) symmetrically arranged on a cliff side and a non-cliff side, three adjacent section contour columns (22) are arranged on the adjacent section protection piers (2), the height of each adjacent section contour column (22) is 80-90 cm, the diameter of each adjacent section contour column is 25-30 cm, orange and white reflective films are arranged on the adjacent section contour columns (22), the three adjacent section contour columns (22) are arranged in an isosceles triangle mode, the height of each isosceles triangle is 40-50 cm, two groups of vertical face marks (42) are arranged on one side, corresponding to a lane, of each adjacent section protection pier (2), the vertical face marks (42) are provided with the orange and white reflective films, and the width of each vertical face mark (42) is 10-15 cm.

4. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 1, wherein: high frequency profile structure of flashing (31) is including a plurality of bend section protection mounds (3) that the symmetry set up and face cliff side and non-face cliff side, bend section protection mound (3) are equipped with two bend section profile post (32) with the one side that the lane corresponds, the height of bend section profile post (32) is 80 ~ 90cm, and the diameter is 25 ~ 30cm, be equipped with red and white alternate reflective membrane on bend section profile post (32), bend section protection mound (3) are equipped with three (43) of two sets of facade marks with the one side that the lane corresponds, be equipped with red and white alternate reflective membrane on three (43) of facade mark, the width of three (43) of facade mark is 10 ~ 15 cm.

5. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 4, wherein: be equipped with linear induction mark (33) on bend section protection mound (3), linear induction mark (33) include bracing piece (34) and arrow head (35), arrow head (35) are fixed in on bracing piece (34), the height of bracing piece (34) is 180 ~ 200cm, the inclination of arrow head (35) increases 2% ~ 4% than the road surface slope.

6. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 1, wherein: triangular prism portal (4) are including setting gradually in portal one (51) of observing section (10) initial position, setting observing section (10) and being close to portal two (52) between section (20), setting up portal three (53) near between section (20) and bend section (30), the height of portal one (51) is 4 ~ 4.5m, the height of portal two (52) is 5 ~ 5.5m, the height of portal three (53) is 6 ~ 6.5 m.

7. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 6, wherein: triangular prism portal (4) include triangular prism (61) and horizontal pole (62), horizontal pole (62) are fixed in on triangular prism (61), be provided with arrow two (63) in the middle of horizontal pole (62), triangular prism (61) adopt respectively towards driver's two sides and correspond the colour that the profile post on highway section corresponds, arrow two (63) adopt and correspond the colour that the profile post on highway section corresponds.

8. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 1, wherein: annular reflection of light is found (5) lower part 1/3 department and is provided with red and alternate facade mark four (44) of white, annular reflection of light is found (5) and is bent in road central line department, and its angle of bending is the angle of the circumference angle that the arc length of annular reflection of light found (5) position corresponds, and bends and be equipped with arrow three (64) that correspond with bend section profile post (32) colour, the height that annular reflection of light was found (5) is 6m, and the width is slightly wider than the road.

9. The graded linear induction system for the curved slope section of the cliff low-grade road as claimed in claim 1, wherein: the size of the ground guide mark (19) is about 100cm by 240cm, a side line of 12-15 cm is arranged outside the ground guide mark, two sides of the ground guide mark (19) arranged on the observation section (10) are straight lines, two sides of the ground guide mark (19) arranged on the section (20) close to the observation section are slightly bent, and two sides of the ground guide mark (19) arranged on the curve section (30) are bent at a larger angle.

Technical Field

The invention relates to the technical field of traffic safety of cliff roads, in particular to a graded linear induction system for a curved slope section of a low-grade highway adjacent to a cliff.

Background

With the enhancement of the infrastructure of China, more attention is paid to the development of remote area traffic, so that more and more roads are available under various terrains, and most of the roads are cliff roads.

The curve section of the cliff road is a section with multiple accidents, and the accident reasons are analyzed. It has been found that due to the remote location of the cliff road, the lighting conditions are often poor and are usually two-way lanes. When the vehicle runs to a cliff road section due to poor lighting conditions, a driver often blurs the road boundary, and meanwhile, due to the influence of a curved road section, a judgment error is easy to occur, and at the moment, the vehicle is easy to rush out of the road surface or rush to an opposite lane.

The arrangement of traffic safety facilities and the like on cliff road sections is not perfect. Therefore, it is necessary to provide effective information to the driver by using the guiding pillars, color stimuli, various lighting facilities, etc. to make the road boundary clear for the driver, which is very important for further improving the traffic safety facilities of the cliff road, preventing the occurrence of traffic accidents, and trying to achieve the goal of 'zero growth' of the traffic accidents of the cliff road.

Disclosure of Invention

Aiming at the problems, the invention provides a graded linear induction system for the curved slope sections of the low-grade highway adjacent to the cliff, which reasonably segments the curved slope area adjacent to the cliff, discusses the reasonable induction modes of the curved slope sections adjacent to the cliff at different grades and reasonably optimizes the design of traffic facilities.

In order to achieve the purpose, the technical scheme applied by the invention is as follows:

the utility model provides a face hierarchical linear induction system in cliff low grade highway curved road section, face cliff curved road section including lay the observation section on the straight line section, lay the section of being close to on the gentle curve section and lay the bend section on the circle curve section, face the induction system in cliff curved road section including setting up the low frequency profile structure that flashes on the observation section, and set up the well frequency profile structure that flashes on being close to the section, and set up high frequency profile structure that flashes on the bend section and the annular reflection of light is found, and set up the triangular prism portal on the highway section, and set up the ground guide sign on the lane.

According to the scheme, the low-flash-frequency contour structure comprises a plurality of observation section protection piers symmetrically arranged on the cliff side and the non-cliff side, two observation section contour columns are arranged on the observation section protection piers, the height of each observation section contour column is 70-80 cm, the diameter of each observation section contour column is 30-35 cm, a reflective film with blue and white alternated is arranged on each observation section contour column, two groups of vertical face marks I are arranged on one side, corresponding to a lane, of each observation section protection pier, the reflective film with blue and white alternated is arranged on each vertical face mark I, and the width of each vertical face mark I is 10-15 cm.

According to the scheme, the middle flash frequency contour structure comprises a plurality of adjacent section protection piers symmetrically arranged on the cliff side and the non-cliff side, three adjacent section contour columns are arranged on the adjacent section protection piers, the height of each adjacent section contour column is 80-90 cm, the diameter of each adjacent section contour column is 25-30 cm, orange and white reflective films are arranged on the adjacent section contour columns, the three adjacent section contour columns are arranged in an isosceles triangle mode, the height of each isosceles triangle is 40-50 cm, two groups of vertical face marks II are arranged on one side, corresponding to a lane, of each adjacent section protection pier, the orange and white reflective films are arranged on the vertical face marks II, and the width of each vertical face mark II is 10-15 cm.

According to the scheme, the high-flash-frequency contour structure comprises a plurality of curve section protection piers symmetrically arranged on the cliff side and the non-cliff side, two curve section contour columns are arranged on one sides, corresponding to lanes, of the curve section protection piers, the height of each curve section contour column is 80-90 cm, the diameter of each curve section contour column is 25-30 cm, red and white reflective films are arranged on the curve section contour columns, two groups of vertical face marks III are arranged on one sides, corresponding to the lanes, of the curve section protection piers, the vertical face marks III are provided with the red and white reflective films, and the width of each vertical face mark III is 10-15 cm.

According to the scheme, the linear induction mark is arranged on the bend section protection pier and comprises a supporting rod and an arrow I, the arrow I is fixed on the supporting rod, the height of the supporting rod is 180-200 cm, and the inclination angle of the arrow I is increased by 2% -4% compared with the gradient of a road surface.

According to the scheme, the triangular prism portal comprises a first portal, a second portal and a third portal, wherein the first portal is sequentially arranged at the initial position of the observation section, the second portal is arranged between the observation section and the approach section, the third portal is arranged between the approach section and the bend section, the height of the first portal is 4-4.5 m, the height of the second portal is 5-5.5 m, and the height of the third portal is 6-6.5 m.

According to the scheme, the triangular prism portal comprises a triangular prism and a cross bar, the cross bar is fixed on the triangular prism, an arrow two is arranged in the middle of the cross bar, the two sides of the triangular prism, facing a driver, respectively adopt the color corresponding to the contour column of the corresponding road section, and the arrow two adopts the color corresponding to the contour column of the corresponding road section.

According to the scheme, a red vertical surface mark IV and a white vertical surface mark IV which are alternate are arranged at the 1/3 lower part of the annular light reflecting construction, the annular light reflecting construction is bent at the center line of the road, the bending angle is the angle of a circumferential angle corresponding to the arc length of the position of the annular light reflecting construction, an arrow III corresponding to the color of a contour column of a curve section is arranged at the bending position, the height of the annular light reflecting construction is 6m, and the width of the annular light reflecting construction is slightly wider than the road.

According to the scheme, the size of the ground guide mark is about 100cm x 240cm, a side line of 12-15 cm is arranged outside the ground guide mark, two sides of the ground guide mark arranged on the observation section are straight lines, two sides of the ground guide mark arranged on the section close to the observation section are slightly bent, and two sides of the ground guide mark arranged on the bent section are bent at a larger angle.

The invention has the beneficial effects that:

1) the method symmetrically segments the cliff road section by taking the curve section as the center, induces the sectional design of the system, gradually improves the vigilance degree of the driver, and ensures that the driver can react to dangerous conditions in time;

2) the triangular prism portal frame adopts different colors on two surfaces facing a driver, and the vision of the driver is stimulated by utilizing the different colors, so that accurate visual information is provided for the driver, and the induction effect on the driver is enhanced;

3) the invention adopts the bent annular reflecting construction, the annular reflecting construction is bent at the bend, the visual impact of the annular reflecting construction on a driver is enhanced, the visual information of the driver entering the bend is given to the driver, and the tension of the driver is enhanced;

4) different color matching is adopted for different sections of the induction columns, the vision of the driver is stimulated by the change of the color, the driver is reminded to enter the next stage, and the function of avoiding danger is achieved;

5) the arrow on the linear induction mark has larger gradient than that of a curved slope section, the arrow with larger gradient than that of the section is adopted, the mark has high self-interpretation degree, is simple and clear, enhances the gradient feeling of a driver, does not adopt a rectangular shape, adopts the form of arrow edge covering, and controls the manufacturing cost on the premise of not changing the induction effect;

6) the invention applies the vertical mark to the corner point of the protective pier, the vertical mark is symmetrical, the sharp feeling at the corner point is increased, and the warning effect on the driver can be realized.

Drawings

FIG. 1 is a schematic view of a curved road segment segmentation and induction system of the present invention;

FIG. 2 is a schematic diagram of the low flicker frequency profile configuration of the present invention;

FIG. 3 is a schematic diagram of a flash frequency profile structure according to the present invention;

FIG. 4 is a schematic diagram of a high flash frequency profile structure according to the present invention;

FIG. 5 is a schematic representation of the linear induction of the present invention;

FIG. 6 is a schematic view of a triangular prism portal of the present invention;

FIG. 7 is a schematic view of the annular retroreflective construction of the present invention;

FIG. 8 is a schematic view of the annular retroreflective build-up inflection angles of the present invention.

1. An observation section protection pier; 2. a proximity section protection pier; 3. a bend section protection pier; 4. a triangular prism portal; 5. constructing annular light reflection; 6. a mountain body contour; 7. the circle on which the circular curve is located; 8. the driver looks at the sight of the triangular prism portal column; 9. a pavement contour line; 10. an observation section; 11. a low flash frequency profile structure; 12. observing a section contour column; 19. a ground guide sign; 20. a proximal segment; 21. a medium flash frequency profile structure; 22. a proximal segment profile post; 30. a curved section; 31. a high flash frequency profile structure; 32. a curve section profile column; 33. linear induction marks; 34. a support bar; 35. arrow one; 41. marking a first vertical face; 42. marking a second vertical face; 43. marking a third vertical face; 44. marking a facade with a fourth mark; 51. a first portal frame; 52. a second portal frame; 53. a third portal frame; 61. a triangular prism; 62. a cross bar; 63. arrow two; 64. arrow three;

Detailed Description

The technical solution of the present invention is described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 8, the present invention provides a graded linear guidance system for a curved road section of a low grade highway adjacent to a cliff, wherein the curved road section adjacent to the cliff comprises an observation section 10 arranged on a straight road section, a near section 20 arranged on a gentle curve road section and a curve section 30 arranged on a round curve road section, the guidance system for the curved road section adjacent to the cliff comprises a low flash frequency profile structure 11 arranged on the observation section 10, a medium flash frequency profile structure 21 arranged on the near section 20, a high flash frequency profile structure 31 and a ring-shaped light reflecting structure 5 arranged on the curve section 30, a triangular prism portal 4 arranged on the road section, and a ground guidance sign 19 arranged on the lane. The above constitutes the basic structure of the present invention.

The invention adopts the structural arrangement, the cliff bend slope road section is divided into an observation section 10, a near section 20 and a bend section 30, and the linear induction of the cliff bend slope road section is graded according to the subsection, wherein the linear induction comprises a low flash frequency contour structure 11 arranged on the observation section 10, a medium flash frequency contour structure 21 arranged on the near section 20, a high flash frequency contour structure 31 and an annular reflecting construction 5 arranged on the bend section 30, a triangular prism portal 4 arranged on the road section, and a ground guide mark 19 arranged on the lane.

In this embodiment, the low-flash-frequency contour structure 11 includes a plurality of observation section protection piers 1 symmetrically arranged on the cliff side and the non-cliff side, two observation section contour columns 12 are arranged on the observation section protection piers 1, the height of each observation section contour column 12 is 70-80 cm, the diameter of each observation section contour column is 30-35 cm, a reflective film with blue color and white color alternated is arranged on each observation section contour column 12, two groups of elevation marks I41 are arranged on one side, corresponding to the lane, of each observation section protection pier 1, a reflective film with blue color and white color alternated is arranged on each elevation mark I41, and the width of each elevation mark I41 is 10-15 cm. By adopting the structure, the early warning of the curve can be increased in advance, the driver is warned to enter the dangerous road section in front of the driver in a gentle and gentle manner by using information stimulation with large quantity and low flash frequency, and preparation is made in advance.

In practical application, the two observation section contour columns 12 and the two groups of vertical surface marks one 41 are symmetrically arranged on the longitudinal central line of the observation section protection pier 1.

In practical application, the elevation mark I41 is arranged at the corner of the observation section protection pier 1 corresponding to the lane, the corner is the highest, and the two side surfaces are reduced to form a symmetrical shape, so that the sharpness of the corner is highlighted, and the psychological distance is attracted.

In this embodiment, the medium flash frequency contour structure 21 includes a plurality of adjacent section protection piers 2 symmetrically arranged on the cliff side and the non-cliff side, three adjacent section contour columns 22 are arranged on the adjacent section protection piers 2, the height of the adjacent section contour columns 22 is 80-90 cm, the diameter of the adjacent section contour columns is 25-30 cm, orange and white alternate reflective films are arranged on the adjacent section contour columns 22, the three adjacent section contour columns 22 are arranged in an isosceles triangle shape, the height of the isosceles triangle shape is 40-50 cm, two sets of vertical face mark two 42 are arranged on one side of the adjacent section protection pier 2 corresponding to the lane, orange and white alternate reflective films are arranged on the vertical face mark two 42, and the width of the vertical face mark two 42 is 10-15 cm. By adopting the structure, the information stimulation with small volume and high flash frequency can be utilized, the tension of the driver is improved, and the driver can notice the external environment change.

In practical application, one contour column in the middle of the three section-adjacent contour columns 22 is arranged on the longitudinal central line of the section-adjacent protection pier 2 and is located in the center of the outer edge of the section-adjacent protection pier 2, the contour columns on both sides are arranged on the upper portion of the elevation mark two 42 on the section-adjacent protection pier 2 and are located at the angular point of the inner edge of the section-adjacent protection pier 2, and the contour columns on both sides are symmetrically arranged on the longitudinal central line of the section-adjacent protection pier 2.

In practical application, the two groups of elevation marks two 42 are symmetrically arranged near the longitudinal center line of the segment protection pier 2.

In practical application, the second elevation mark 42 is arranged at the corner of the adjacent section protection pier 2 corresponding to the lane, the corner is the highest, and the two side surfaces are reduced to form a symmetrical shape, so that the sharpness of the corner is highlighted, and the psychological distance is attracted.

In this embodiment, the high flash frequency contour structure 31 includes a plurality of curve section protection piers 3 symmetrically arranged on the cliff side and the non-cliff side, two curve section contour columns 32 are arranged on one sides of the curve section protection piers 3 corresponding to the lanes, the height of each curve section contour column 32 is 80-90 cm, the diameter of each curve section contour column is 25-30 cm, red and white reflective films are arranged on the curve section contour columns 32, two groups of elevation marks three 43 are arranged on one sides of the curve section protection piers 3 corresponding to the lanes, red and white reflective films are arranged on the elevation marks three 43, and the width of each elevation mark three 43 is 10-15 cm.

In practical application, the two curve segment contour columns 32 and the two groups of vertical surface marks three 43 are symmetrically arranged on the longitudinal central line of the curve segment protection pier 3.

In practical application, the third elevation mark 43 is arranged at the corner of the curve section protection pier 3 corresponding to the lane, the corner is highest, and the two side faces are reduced to form a symmetrical shape, so that the sharpness of the corner is highlighted, and the psychological distance is attracted.

In this embodiment, the linear guide mark 33 is arranged on the bend section protection pier 3, the linear guide mark 33 includes a support rod 34 and an arrow head 35, the arrow head 35 is fixed on the support rod 34, the height of the support rod 34 is 180-200 cm, and the inclination angle of the arrow head 35 is increased by 2% -4% compared with the gradient of the road surface. By adopting the structure, the induction effect of traffic facilities to drivers at night can be enhanced, the inclination angle of the arrow I35 is increased by 2-4% compared with the gradient of the road surface, and the driver with fatigue can be favorably aware of the curved road section.

In this embodiment, the triangular prism-shaped portal 4 includes a portal first 51 sequentially disposed at the initial position of the observation section 10, a portal second 52 disposed between the observation section 10 and the approach section 20, and a portal third 53 disposed between the approach section 20 and the curve section 30, wherein the height of the portal first 51 is 4-4.5 m, the height of the portal second 52 is 5-5.5 m, and the height of the portal third 53 is 6-6.5 m. The structural arrangement is adopted for displaying longitudinal slope change.

In this embodiment, the triangular prism portal 4 includes a triangular prism 61 and a cross bar 62, the cross bar 62 is fixed on the triangular prism 61, an arrow two 63 is disposed in the middle of the cross bar 62, two sides of the triangular prism 61 facing the driver respectively adopt a color corresponding to the profile column of the corresponding road section, and the arrow two 63 adopts a color corresponding to the profile column of the corresponding road section. The structural arrangement is adopted for displaying the curve outline.

In this embodiment, a fourth elevation mark 44 with red and white alternating colors is disposed at the lower portion 1/3 of the annular reflective structure 5, the annular reflective structure 5 is bent at the center line of the road, the bending angle is the angle of the circumferential angle corresponding to the arc length of the position of the annular reflective structure 5, an arrow three 64 corresponding to the color of the contour column 32 of the curve segment is disposed at the bending position, the height of the annular reflective structure 5 is 6m, and the width of the annular reflective structure 5 is slightly wider than the road. The structure is arranged to highlight the dangerous road section of the road entering the curve, the strongest visual impact is given to the driver in the most dangerous curve section 30, and the driver with fatigue is stimulated to realize the existence of danger.

In practical application, as shown in fig. 8, α is a circumferential angle corresponding to an arc length of a position where the reflective ring is located, β is a bending angle of the reflective ring, and α is β.

In this embodiment, the size of the ground guide mark 19 is about 100cm × 240cm, a 12-15 cm sideline is provided outside, two sides of the ground guide mark 19 disposed on the observation section 10 are straight lines, two sides of the ground guide mark 19 disposed on the adjacent section 20 are slightly curved, and two sides of the ground guide mark 19 disposed on the curved section 30 are bent at a larger angle. With the adoption of the structural arrangement, a forward turning is implied, and the transition of one turning is displayed.

While the embodiments of the present invention have been described, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention as defined by the appended claims.