CN113073590A

CN113073590A - Traffic safety guardrail

Info

Publication number: CN113073590A
Application number: CN202110395998.XA
Authority: CN
Inventors: 冯祥; 陈伟炯
Original assignee: Shanghai Maritime University
Current assignee: Shanghai Maritime University
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-07-06

Abstract

The invention discloses a traffic safety guardrail, which comprises: a plurality of guardrail units; each of the barrier units includes: a frame; the collision prevention barrels are arranged on the frame and used for reducing the damage of the vehicle when the vehicle collides with the guardrail unit; the warning lamps are arranged on the framework and used for giving out warning when the vehicle collides with the guardrail unit; and the plurality of light-reflecting markers are correspondingly arranged on the anti-collision barrel and used for guiding and indicating the vehicle. The anti-collision barrel can effectively reduce the damage of the vehicle when the vehicle collides each guardrail unit, and the warning lamp can give out warning to remind the following vehicles to pay attention to the accident at the position, thereby reducing the probability of secondary accidents. The two adjacent guardrail units can be fixedly connected through the connecting arm, so that the traffic safety guardrail is convenient to mount and dismount, and local damaged parts are easy to replace or maintain.

Description

Traffic safety guardrail

Technical Field

The invention relates to the technical field of traffic safety, in particular to a traffic safety guardrail.

Background

The traffic guardrail is a traffic safety facility arranged on a road, and can absorb collision energy through self-deformation or vehicle climbing, so that the driving direction of a vehicle is changed, the vehicle is prevented from going out of the road or entering an opposite lane, and the injury of the vehicle to surrounding personnel is reduced.

Most of the traffic guardrails used at present are made of rigid materials and are assembled and installed in a welding mode. However, the existing traffic barriers often have the following problems in use: firstly, when part of the traffic guardrail is damaged, the damaged part cannot be detached, maintained or replaced independently, so that the use cost of the guardrail is increased; secondly, after the vehicle collides with the guardrail, the damaged guardrail is easy to threaten the safe running of the subsequent vehicle because the damaged guardrail is not cleaned in time; thirdly, the guard rail made of rigid materials not only has higher manufacturing cost, but also can cause serious damage to the vehicle colliding with the guard rail.

Disclosure of Invention

The invention aims to provide a traffic safety protective guard which can effectively reduce the damage of a vehicle and send out warning when the vehicle collides with the protective guard, thereby reducing the probability of secondary accidents.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a traffic safety barrier, comprising: a plurality of guardrail units; each of the barrier units includes:

a frame;

the collision prevention barrels are arranged on the frame and used for reducing the damage of the vehicle when the vehicle collides with the guardrail unit;

the warning lamps are arranged on the framework and used for giving out warning when the vehicle collides with the guardrail unit; and

and the plurality of light-reflecting markers are correspondingly arranged on the anti-collision barrel and used for guiding and indicating the vehicle.

Preferably, the frame comprises: two upright posts, two cross beams and a plurality of connecting rods;

the two upright columns are respectively a first upright column and a second upright column; the first upright post and the second upright post are arranged in parallel at intervals;

the two cross beams are respectively a first cross beam and a second cross beam; one end of the first cross beam is connected with the first end of the first upright post, and the other end of the first cross beam is connected with the first end of the second upright post; one end of the second cross beam is connected with the second end of the first upright post, and the other end of the second cross beam is connected with the second end of the second upright post; the first end and the second end of the first upright post are oppositely arranged, and the first end and the second end of the second upright post are oppositely arranged;

one end of each connecting rod is fixedly connected with the first cross beam, and the other end of each connecting rod correspondingly penetrates through the anti-collision barrel and is fixedly connected with the second cross beam, so that each anti-collision barrel is fixed between the first cross beam and the second cross beam.

Preferably, all the anti-collision barrels are arranged at intervals along the long side direction of the first cross beam and/or the second cross beam, and each anti-collision barrel is provided with a first through hole for accommodating the connecting rod.

Preferably, a plurality of first mounting holes are formed in the side surface, close to the second cross beam, of the first cross beam; all the first mounting holes are arranged at intervals along the long side direction of the first cross beam;

a plurality of second mounting holes are formed in the side face, close to the first cross beam, of the second cross beam; each second mounting hole is arranged corresponding to each first mounting hole;

one end of each connecting rod is correspondingly and fixedly connected with the first mounting hole, and the other end of each connecting rod correspondingly penetrates through the first through hole of each anti-collision barrel and is fixedly connected with the second mounting hole.

Preferably, a top plate is arranged at the first end of each upright post, and each warning light is correspondingly fixed on each top plate;

the second end of each upright post is provided with a base to support each upright post.

Preferably, each of the barrier units further comprises: a plurality of dust covers, a plurality of storage batteries and a plurality of collision switches;

each dust cover is correspondingly fixed on each top plate, and each warning light is positioned in each dust cover;

each storage battery is correspondingly arranged in each top plate, is connected with each warning lamp and is used for supplying power to each warning lamp;

each collision switch is correspondingly fixed on each top plate, is respectively connected with each storage battery and each warning lamp, and is used for correspondingly controlling the on-off of a circuit between each storage battery and each warning lamp; and when the vehicle collides with the guardrail unit, the collision switch is closed, and the warning lamp is correspondingly lightened.

Preferably, the traffic safety barrier further comprises: a plurality of connecting arms; each connecting arm is arranged on two adjacent upright posts and used for connecting two adjacent guardrail units.

Preferably, a second through hole is formed between the first end and the second end of each upright, and each connecting arm sequentially penetrates through the second through holes of two adjacent uprights to fixedly connect the two adjacent guardrail units.

Preferably, each of the barrier units further comprises: a plurality of solar panels; each solar panel is correspondingly fixed at one end, far away from the top plate, of each dust cover and is connected with each storage battery.

Preferably, the material of each anti-collision barrel is rubber plastic; and a fluorescent film is pasted on the outer side surface of each anti-collision barrel.

Compared with the prior art, the invention has at least one of the following advantages:

according to the traffic safety guardrail provided by the invention, when a vehicle collides with each guardrail unit, the damage of the vehicle can be effectively reduced through the anti-collision barrel on each guardrail unit, and the warning is sent through the warning lamp to remind the following vehicles to pay attention to the accident at the position, so that the probability of secondary accidents is reduced.

The two adjacent guardrail units can be fixedly connected through the connecting arm, so that the traffic safety guardrail is convenient to mount and dismount, local damaged parts are easy to replace or maintain, and the use cost of the traffic safety guardrail is greatly reduced.

The reflective marker and the fluorescent film on the anti-collision barrel can guide and indicate passing vehicles and prompt the vehicles to safely run.

According to the invention, the solar panel can be used for providing electric quantity for the work of the warning lamp, so that the solar warning lamp is environment-friendly.

Drawings

Fig. 1 is a schematic structural view of a traffic safety barrier according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a first cross member of a traffic safety barrier according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an anti-collision barrel of a traffic safety barrier according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connecting arm of a traffic safety barrier according to an embodiment of the present invention.

Detailed Description

The traffic safety barrier according to the present invention will be described in detail with reference to the accompanying drawings and the following detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

As shown in the attached drawings 1-4, the embodiment provides a traffic safety barrier, which comprises: a plurality of guardrail units 1; each of the guardrail units 1 includes: a frame 10; a plurality of crash buckets 20 provided on the frame 10 for reducing damage to a vehicle when the vehicle collides with the barrier unit 1; the warning lamps 30 are arranged on the frame 10 and used for giving out warning when the vehicle collides with the guardrail unit 1; and a plurality of reflective markers 40 correspondingly disposed on the anti-collision barrel 20 for guiding and indicating the vehicle.

Referring to fig. 1, fig. 2 and fig. 3, the frame 10 includes: two upright posts 110, two cross beams 120, and a plurality of connecting rods 130; the two upright columns 110 are respectively a first upright column 111 and a second upright column 112; the first upright column 111 and the second upright column 112 are arranged in parallel at intervals; the two beams 120 are a first beam 121 and a second beam 122 respectively; one end of the first cross beam 121 is connected to a first end of the first upright 111, and the other end is connected to a first end of the second upright 112; one end of the second cross beam 122 is connected to the second end of the first upright 111, and the other end is connected to the second end of the second upright 112; the first end and the second end of the first upright post 111 are oppositely arranged, and the first end and the second end of the second upright post 112 are oppositely arranged; one end of each connecting rod 130 is fixedly connected with the first cross beam 121, and the other end of each connecting rod correspondingly penetrates through the anti-collision barrel 20 and is fixedly connected with the second cross beam 122, so as to fix each anti-collision barrel 20 between the first cross beam 121 and the second cross beam 122.

It is understood that, in some other embodiments, all the crash cans 20 are spaced along the longitudinal direction of the first cross member 121 and/or the second cross member 122, and each crash can 20 is provided with a first through hole 201 for receiving the connecting rod 130.

In some embodiments, a plurality of first mounting holes 1211 are formed on a side surface of the first beam 121 close to the second beam 122; all the first mounting holes 1211 are arranged at intervals along the long side direction of the first beam 121; a plurality of second mounting holes are formed in the side surface of the second beam 122 close to the first beam 121; each of the second mounting holes corresponds to each of the first mounting holes 1211; one end of each connecting rod 130 is correspondingly and fixedly connected with the first mounting hole 1211, and the other end of each connecting rod correspondingly penetrates through the first through hole 201 of each anti-collision barrel 20 and is fixedly connected with the second mounting hole.

Specifically, a first end and a second end of the first upright column 111 are both provided with a first insertion hole, and a first end and a second end of the second upright column 112 are both provided with a second insertion hole; the first insertion holes may be disposed on a side surface of the first upright column 111 close to the second upright column 112, the second insertion holes may be disposed on a side surface of the second upright column 112 close to the first upright column 111, and the first insertion holes and the second insertion holes are disposed in a one-to-one correspondence. Two ends of the first cross beam 121 and the second cross beam 122 are respectively provided with an inserting plate 1212; the first cross member 121 can insert the insert plate 1212 at one end thereof into the first insert hole at the first end of the first upright post 111 and insert the insert plate 1212 at the other end thereof into the second insert hole at the first end of the second upright post 112, thereby realizing the clamping and connection of the first cross member 121 with the first upright post 111 and the second upright post 112; the second cross member 122 can be inserted into the first insertion hole at the second end of the first upright post 111 through the insertion plate 1212 at one end thereof, and inserted into the second insertion hole at the second end of the second upright post 112 through the insertion plate 1212 at the other end thereof, so as to realize the fastening and connection between the second cross member 122 and the first upright post 111 and the second upright post 112. Preferably, the first and second insertion holes may be blind holes; a first threaded hole may be formed in the center of the insert plate 1212; the first beam 121 and the second beam 122 are disposed in parallel and spaced apart, but the invention is not limited thereto.

In this embodiment, the cross-sectional area of the insert plate 1212 is smaller than the cross-sectional areas of the first beam 121 and the second beam 122, and the length of the insert plate 1212 is smaller than the widths of the first upright post 111 and the second upright post 112, so that the insert plate 1212 is correspondingly inserted into the first insertion hole and the second insertion hole, thereby facilitating the installation of the first beam 121 and the second beam 122.

Specifically, all the crash cans 20 may be fixed between the first cross member 121 and the second cross member 122 at equal intervals; and each of the crash-proof barrels 20 may be provided with two first through holes 201, so that each of the crash-proof barrels 20 may be fixed between the first cross member 121 and the second cross member 122 by two connecting rods 130, thereby increasing the connection reliability of each of the crash-proof barrels 20 with the frame 10. The two ends of each connecting rod 130 are respectively provided with an elastic column to reduce damage to the first mounting hole 1211 and the second mounting hole when the two ends of each connecting rod 130 are respectively inserted into the first mounting hole 1211 and the second mounting hole on the first cross beam 121 and the second cross beam 122, respectively, but the invention is not limited thereto.

In this embodiment, in each of the guardrail units 1, the number of the crash-proof barrels 20 may be four, and the number of the first through holes 201 and the connecting rods 130 may be eight; the number of the first mounting holes 1211 on the first cross member 121 and the second mounting holes on the second cross member 122 may be eight as well.

Referring to fig. 1 and fig. 3, each of the anti-collision barrels 20 is made of rubber and plastic; and a fluorescent film 202 is adhered to the outer side surface of each anti-collision barrel 20.

Specifically, in this embodiment, each of the crash-proof barrels 20 may be a hexagonal prism, and each of the crash-proof barrels 20 may be made of a rubber-plastic material to absorb the collision energy when the vehicle collides with the barrier unit 1, so as to reduce the damage of the vehicle. The fluorescent film 202 may be further pasted on the outer side surface of each of the crash-proof barrels 20 to indicate the safe driving of the passing vehicle. The reflective markers 40 are fixedly disposed on four edge sides of each anti-collision barrel 20 close to the road to guide the passing vehicles, but the invention is not limited thereto.

Referring to fig. 1, a top plate 1101 is disposed at a first end of each of the pillars 110, and each of the warning lamps 30 is correspondingly fixed on each of the top plates 1101; a base 1102 is disposed at a second end of each of the columns 110 for supporting each of the columns 110.

Specifically, in this embodiment, a bottom rod is disposed on an end surface of each top plate 1101 close to the vertical column 110, and a receiving space for receiving the bottom rod is disposed at a first end of each vertical column 110, so that the bottom rod of each top plate 1101 can extend into each vertical column 110 and be in threaded connection with the first threaded hole of the insert plate 1212, into which the first cross beam 121 has been inserted in the first insertion hole and the second insertion hole, so as to fixedly connect each top plate 1101 with the first end of each vertical column 110, and achieve the purpose of stably mounting the first cross beam 121. Each of the bases 1102 can be snapped and connected to the second end of each of the posts 110; and each of the bases 1102 may be a trapezoidal body, so that each of the pillars 110 can be stably supported. Preferably, the cross-sectional area of each top plate 1101 may be equal to the upper bottom area of each base 1102 and greater than the cross-sectional area of each upright 110; the bottom rod may be a threaded rod, but the invention is not limited thereto.

With continuing reference to fig. 1, each of the guardrail units 1 further includes: a plurality of dust covers 50, a plurality of batteries 60, and a plurality of crash switches 70; each dust cover 50 is fixed on each top plate 1101 correspondingly, and each warning light 30 is located in each dust cover 50; each storage battery 60 is correspondingly arranged in each roof plate 1101, is connected with each warning lamp 30, and is used for supplying power to each warning lamp 30; each collision switch 70 is correspondingly fixed on each top plate 1101, is respectively connected with each storage battery 60 and each warning light 70, and is used for correspondingly controlling the on-off of a circuit between each storage battery 60 and each warning light 70; and when the vehicle collides with the guardrail unit 1, the collision switch 70 is closed, and the warning lamp 30 is correspondingly turned on.

It will be appreciated that in some other embodiments, each of the barrier units 1 further comprises: a plurality of solar panels 80; each solar panel 80 is fixed to an end of each dust cover 50 away from the top plate 1101, and is connected to each battery 60.

Specifically, in the present embodiment, each of the impact switches 70 may be fixed to a side surface of each of the top plates 1101, and a receiving space for receiving the battery 60 may be provided inside each of the top plates 1101. Each of the warning lights 30 can be electrically connected with each of the storage batteries 60 through each of the collision switches 70, and each of the collision switches 70 is closed when the vehicle collides with the guardrail unit 1, so that each of the warning lights 30 is correspondingly lighted to give a warning, thereby reminding a following vehicle of paying attention to an accident at the place, and further reducing the probability of a secondary accident. Each solar panel 80 can be electrically connected with each storage battery 60, and can convert solar energy into electric energy and correspondingly store the electric energy in the storage battery 60, so that electric quantity is provided for the work of each warning light 30, and the solar energy warning device is environment-friendly. Preferably, each of the warning lamps 30 may be a flashing warning lamp, but the invention is not limited thereto.

In this embodiment, the number of the warning light 30, the dust cover 50, the battery 60, the impact switch 70 and the solar panel 80 in each guardrail unit is the same as that of the top plate 1101, i.e., two.

With continued reference to fig. 1 and 4, the traffic safety barrier further includes: a plurality of connecting arms 2; each connecting arm 2 is disposed on two adjacent vertical columns 110, and is used for connecting two adjacent guardrail units 1.

It is understood that in some other embodiments, a second through hole 1103 is disposed between the first end and the second end of each upright 110, and each connecting arm 2 sequentially penetrates through the second through holes 1103 of two adjacent uprights 110 to fixedly connect two adjacent guardrail units 1.

Specifically, a plurality of second through holes 1103 may be disposed in a middle portion of each of the upright columns 110, that is, between a first end and a second end of each of the upright columns 110, a plurality of second threaded holes 1104 may be further disposed on a side surface of each of the upright columns, and each of the second threaded holes 1104 is correspondingly disposed at a center position of each of the second through holes 1103. Each side of the connecting arm 2 can be provided with a plurality of third threaded holes 21, and all the third threaded holes 21 are arranged at intervals along the long side direction of the connecting arm 2. Each connecting arm 2 can sequentially penetrate through the second through holes 1103 of two adjacent upright columns 110, and any one of the third threaded holes 21 on each connecting arm 2 can be aligned with the second threaded hole 1104, and the second threaded hole 1104 and the third threaded hole 21 are connected through a bolt 23, so that the same connecting arm 2 is fixedly connected with two adjacent upright columns 110, and then two adjacent guardrail units 1 are fixedly connected. Preferably, the two ends of each connecting arm 2 are respectively connected with a blocking cover 22 through screws, but the invention is not limited thereto.

In this embodiment, the number of the second through holes 1103 on each upright post 110 may be two, so as to fixedly connect two adjacent guardrail units 1 through two connecting arms 2, thereby enhancing the connection reliability between two adjacent guardrail units 1. In addition, through the connecting arm 2 with two adjacent guardrail units 1 carry out fixed connection and can enough facilitate the installation and dismantle, easily change or maintain the part damage part again, can greatly reduce traffic safety barrier's use cost.

The embodiment also provides an installation method of the traffic safety barrier, which comprises the following steps: step S101, assembling each guardrail unit 1; s102, placing each guardrail unit 1 to a preset position; and S103, fixedly connecting two adjacent guardrail units 1 through the connecting arm 2 to obtain the traffic safety protective guard with the preset length.

Specifically, in this embodiment, the step S101 includes: selecting two of the columns 110; snapping and connecting each base 1102 to a second end of each upright; selecting two of the beams 120; clamping and connecting each cross beam 120 with the two upright columns through the inserting plates 1212 at the two ends of the cross beam; fixing a preset number of the crash-proof barrels 20 between the two cross beams 120 through a plurality of the connecting rods 130; fixing each top plate 1101 on a first end face of each upright, and inserting the bottom rod of each top plate 1101 into the interior of the upright 110 and screwing with the first threaded hole on the insert plate 1212; sequentially fixing each of the warning lamps 30, each of the dust covers 50, each of the storage batteries 60, and each of the crash switches 70 to each of the top plates 1101; and fixing each solar panel 80 to an end of each dust cover 50 away from the top plate 1101.

Specifically, in this embodiment, the step S103 includes: sequentially penetrating each connecting arm 2 through the second through holes 1103 of two adjacent upright posts 110, and aligning any one of the third threaded holes 21 on each connecting arm 2 with the second threaded hole 1104; the second threaded hole 1104 and the third threaded hole 21 are connected by a bolt 23, so that the same connecting arm 2 is fixedly connected with two adjacent upright posts 110, and then two adjacent guardrail units 1 are fixedly connected.

In summary, according to the traffic safety barrier provided by the embodiment, when a vehicle collides with each barrier unit, the damage of the vehicle can be effectively reduced through the anti-collision barrel on each barrier unit, and a warning is sent through the warning lamp to remind a following vehicle of paying attention to an accident at the position, so that the probability of secondary accidents is reduced; the two adjacent guardrail units can be fixedly connected through the connecting arm, so that the traffic safety guardrail is convenient to mount and dismount, local damaged parts are easy to replace or maintain, and the use cost of the traffic safety guardrail is greatly reduced. The reflecting marker and the fluorescent film arranged on the anti-collision barrel in the embodiment can also guide and indicate passing vehicles and prompt the vehicles to safely run.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims

1. A traffic safety barrier, comprising: a plurality of guardrail units (1); each of the guardrail units (1) comprises:

a frame (10);

a plurality of crash buckets (20) provided on the frame (10) for reducing damage to a vehicle when the vehicle collides with the barrier unit (1);

the warning lamps (30) are arranged on the framework (10) and used for giving out warning when the vehicle collides with the guardrail unit (1); and

the plurality of light-reflecting markers (40) are correspondingly arranged on the anti-collision barrel (20) and used for guiding and indicating the vehicle.

2. A traffic safety barrier according to claim 1, characterized in that the frame (10) comprises: two upright posts (110), two cross beams (120) and a plurality of connecting rods (130);

the two upright columns (110) are respectively a first upright column (111) and a second upright column (112); the first upright column (111) and the second upright column (112) are arranged in parallel at intervals;

the two cross beams (120) are respectively a first cross beam (121) and a second cross beam (122); one end of the first cross beam (121) is connected with the first end of the first upright (111), and the other end of the first cross beam is connected with the first end of the second upright (112); one end of the second cross beam (122) is connected with the second end of the first upright post (111), and the other end of the second cross beam is connected with the second end of the second upright post (112); the first end and the second end of the first upright post (111) are oppositely arranged, and the first end and the second end of the second upright post (112) are oppositely arranged;

one end of each connecting rod (130) is fixedly connected with the first cross beam (121), and the other end of each connecting rod correspondingly penetrates through the anti-collision barrel (20) and is fixedly connected with the second cross beam (122) so as to fix each anti-collision barrel (20) between the first cross beam (121) and the second cross beam (122).

3. A traffic safety barrier according to claim 2,

all the anti-collision barrels (20) are arranged at intervals along the long side direction of the first cross beam (121) and/or the second cross beam (122), and each anti-collision barrel (20) is provided with a first through hole (201) used for accommodating the connecting rod (130).

4. A traffic safety barrier according to claim 3,

a plurality of first mounting holes (1211) are formed in the side face, close to the second cross beam (122), of the first cross beam (121); all the first mounting holes (1211) are arranged at intervals along the long side direction of the first cross beam (121);

a plurality of second mounting holes are formed in the side face, close to the first cross beam (121), of the second cross beam (122); each second mounting hole is arranged corresponding to each first mounting hole (1211);

one end of each connecting rod (130) is correspondingly and fixedly connected with the first mounting hole (1211), and the other end of each connecting rod correspondingly penetrates through the first through hole (201) of each anti-collision barrel (20) and is fixedly connected with the second mounting hole.

5. A traffic safety barrier according to claim 2,

a top plate (1101) is arranged at the first end of each upright post (110), and each warning lamp (30) is correspondingly fixed on each top plate (1101);

the second end of each upright post (110) is provided with a base (1102) for supporting each upright post (110).

6. A traffic safety barrier according to claim 5, characterized in that each of said barrier units (1) further comprises: a plurality of dust covers (50), a plurality of batteries (60), and a plurality of crash switches (70);

each dust cover (50) is correspondingly fixed on each top plate (1101), and each warning light (30) is positioned in each dust cover (50);

each storage battery (60) is correspondingly arranged in each top plate (1101), is connected with each warning lamp (30) and is used for supplying power to each warning lamp (30);

each collision switch (70) is correspondingly fixed on each top plate (1101), is respectively connected with each storage battery (60) and each warning lamp (70), and is used for correspondingly controlling the on-off of a circuit between each storage battery (60) and each warning lamp (70); and when the vehicle collides with the guardrail unit (1), the collision switch (70) is closed, and the warning lamp (30) is correspondingly lightened.

7. A traffic safety barrier according to claim 2, further comprising: a plurality of connecting arms (2); each connecting arm (2) is arranged on two adjacent upright columns (110) and is used for connecting two adjacent guardrail units (1).

8. A traffic safety barrier according to claim 7,

a second through hole (1103) is formed between the first end and the second end of each upright post (110), and each connecting arm (2) sequentially penetrates through the second through holes (1103) of two adjacent upright posts (110) so as to fixedly connect the two adjacent guardrail units (1).

9. A traffic safety barrier according to claim 6, characterized in that each of said barrier units (1) further comprises: a plurality of solar panels (80); each solar panel (80) is correspondingly fixed at one end of each dust cover (50) far away from the top plate (1101) and is connected with each storage battery (60).

10. A traffic safety barrier according to any one of claims 1 to 4,

the material of each anti-collision barrel (20) is rubber plastic; and a fluorescent film (202) is pasted on the outer side surface of each anti-collision barrel (20).