CN110144841A

CN110144841A - Highway guardrail

Info

Publication number: CN110144841A
Application number: CN201910575786.2A
Authority: CN
Inventors: 钱娟娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2019-08-20

Abstract

The present invention relates to a kind of highway guardrail, which includes horizontal bar, support column and fixing seat；The end of the horizontal bar is upturned；The support column includes a pair of support rod disposed in parallel, and the upper end of support rod is connect with the horizontal bar by matched connected ball, ball groove structure, and the lower end of support rod is connect with the fixing seat by matched connected ball, ball groove structure；The support rod is made by permanent-magnet material, and two pairs of support rod magnetism are repelled each other；Accommodation groove is offered on the opposite pole face of two support rods, baffle safety capsule is placed in the accommodation groove, the baffle safety capsule is placed in accommodation groove in pliciform folding；Pre- fault trough is offered on the horizontal center line of each support rod；The highway guardrail can be effectively reduced the probability that vehicle when accident occurs flew out or flew to opposite road, accident be effectively reduced to the influence degree of traffic, while effectively reducing the damage degree of accident vehicle.

Description

Highway guardrail

Technical field

The present invention relates to highway fields, are a kind of guardrails particularly.

Background technique

The guardrail of highway plays the role of separating lane, maintains lane order；The end of many guardrails protrudes outward, Form mellow and full end；Although there is certain safeguard protection effect to be easy to make when encountering over-speed vehicles for this end At in end insertion car body, the severity of traffic accident is aggravated；Therefore, at present the end of highway guardrail be often arranged to obliquely downward, insert Enter the structure on ground, which is not in end outstanding, also only sliding from guardrail even if Vehicular impact is to guardrail end Out, rigidity, fierce impact damage will not be generated to headstock；But there is also certain drawbacks, over-speed vehicles for this structure It is easy to enter opposite car after rushing to guardrail, seriously affects the normal operation of opposite vehicle, or even generate bigger traffic thing Therefore.

Summary of the invention

In view of the above-mentioned problems, the present invention provides a kind of highway guardrail, when which can be effectively reduced accident generation Vehicle flies out or flies to the probability of opposite road, accident is effectively reduced to the influence degree of traffic, while effectively reducing accident vehicle Damage degree.

To solve the above problems, the technical scheme adopted by the invention is that: the highway guardrail include horizontal bar, support column and Fixing seat；The support column equidistantly assembles and is supported on the lower section of the horizontal bar, and the fixing seat is mounted on branch correspondingly The lower end of bearing column, fixing seat fastening setting is on the ground；

The end of the horizontal bar is upturned；

The support column includes a pair of support rod disposed in parallel, and the upper end of support rod and the horizontal bar pass through matched connection Ball, ball groove structure connection, the lower end of support rod is connect with the fixing seat by matched connected ball, ball groove structure；The branch It holds bar to be made by permanent-magnet material, and two pairs of support rod magnetism are repelled each other；

Accommodation groove is offered on the opposite pole face of two support rods, baffle safety capsule is placed in the accommodation groove, The baffle safety capsule is placed in accommodation groove in pliciform folding, and crease line is parallel with support rod；The both ends of baffle safety capsule It is respectively fixedly connected with the slot bottom in the accommodation groove；

The exciting switch of the baffle safety capsule is impact switch, and when impact strength is more than safety value, exciting switch is opened；

Pre- fault trough is offered on the horizontal center line of each support rod, when the impact strength that pre- fault trough is subject to is more than critical value When, pre- fault trough punishment is cleaved into two sections in support rod.

The beneficial effects of the present invention are: under natural conditions, two support rods on support column are opposite in parallel, by baffle safety Capsule is clamped in accommodation groove；The both ends of support rod are connected ball, ball groove structure limit is fixed；The horizontal bar end of tilting can be avoided It is collided with car body face, while there is more eye-catching suggesting effect.

When accident vehicle rushes at guardrail, headstock knocks the end of tilting first, and pierces cross along the lower pole face of horizontal bar After column lower part, vehicle is clamped by horizontal bar and ground at this time, is not in the case where flying out, while headstock pierces below horizontal bar, stick up The horizontal bar end risen is turned over before capable of stopping the tailstock, to avoid vehicle rollover.

When headstock is impinged upon on support column, when impact force is greater than the critical value of pre- fault trough, support rod will break from pre- fault trough It opens and splits into two sections, while the support rod of division is swung backward under impact force effect, two opposite support rods can be because of magnetic Property repel and be separated from each other；While support rod is by hitting, what safe buffering capsule also synchronized is hit, and impact strength is super When crossing the safety value of impact switch, safe buffering capsule is excited and rapid expanding；I.e. after being hit, support rod is quickly divided And tilted rearward, simultaneously do fan out, by the baffle safety capsule spread apart of folded inside come, simultaneous buffering safety bag is quick Expansion, forms roomy buffering suface and wraps up headstock, the safety of occupant is effectively ensured.

It is subsequent more if a support column is severed, baffle safety capsule can not still prevent the impact force of vehicle after rupturing A support column can form buffering defence again, continue the safety for protecting headstock.

To sum up, which can be limited in vehicle between horizontal bar and ground when accident occurs, and effectively prevent it It flies out, to reduce the influence to surrounding traffic；It is turned over before vehicle can be prevented simultaneously, the risk that reduction personnel are pressed；When shock It is capable of forming the roomy buffering suface of fan out, effectively wraps up headstock, the damage that speed is effectively reduced, reduces accident.

Preferably, the end of the horizontal bar is upturned in 90 °；When in order to accident generation, headstock can pierce cross Below column, headstock is effectively prevent to fly up upwards.

Preferably, being embedded with the permanent magnets of homopolar-repulsion on the opposite pole face of support rod；In order to improve support rod The speed of fan out is done, to preferably wrap headstock.

Preferably, the critical value of pre- fault trough is greater than the safety value of impact switch；The structure can be avoided baffle safety capsule The problem of can not opening.

Detailed description of the invention

Fig. 1 is the side structure schematic view of this highway guardrail one embodiment end when normal.

Fig. 2 is the positive structure diagram of embodiment illustrated in fig. 1 end when normal.

Side structure schematic view of the Fig. 3 for Fig. 1 institute embodiment when being impacted.

Fig. 4 is positive structure diagram of the embodiment illustrated in fig. 1 when being impacted.

Specific embodiment

Embodiment:

In the embodiment shown in Fig. 1 to Fig. 4, which includes horizontal bar 1, support column 2 and fixing seat 3；The bearing Column 2 equidistantly assembles and is supported on the lower section of the horizontal bar 1, and the fixing seat 3 is mounted on the lower end of support column 2 correspondingly, The fastening of fixing seat 3 setting is on the ground；

The end of the horizontal bar 1 is upturned 90 °；

The support column 2 includes a pair of support rod 4 disposed in parallel, and the upper end of support rod 4 passes through matched with the horizontal bar 1 Connected ball, ball groove structure 5 connect, and the lower end of support rod 4 and the fixing seat 3 are connected by matched connected ball, ball groove structure 5 It connects；The support rod 4 is made by permanent-magnet material, and two pairs of 4 magnetism of support rod are repelled each other；It is opposite in support rod 4 The permanent magnets of homopolar-repulsion are embedded on pole face；

Accommodation groove 42 is offered on the opposite pole face of two support rods 4, buffering peace is placed in the accommodation groove 42 Full capsule 6, the baffle safety capsule 6 are placed in accommodation groove 42 in pliciform folding, and crease line is parallel with support rod 4；Buffering peace The both ends of full capsule 6 are respectively fixedly connected with the slot bottom in the accommodation groove 42；

In the present embodiment, bursting charge and priming can be filled with inside baffle safety capsule 6；Wait react there are two types of can also filling Chemical agent, pass through diaphragm between chemical agent and separate；The exciting switch of the baffle safety capsule 6 is impact switch 61, such as Strike spark switch, is also possible to hit needle switch；When impact strength is more than safety value, the switch that strikes spark lights priming, And then bursting charge is ignited, promote the quick deformation of baffle safety capsule 6, explosion；Needle switch is hit quickly to puncture between chemical agent Diaphragm promotes chemical agent contact, reaction, and then promotes the quick deformation of baffle safety capsule 6, expansion.

Pre- fault trough 41 is offered on the horizontal center line of each support rod 4, when the impact strength that pre- fault trough 41 is subject to is super When crossing critical value, the pre- punishment of fault trough 41 is cleaved into two sections in support rod 4；The critical value of pre- fault trough 41 is greater than the safety of impact switch 61 Value.

Under natural conditions, two support rods 4 on support column 2 are parallel opposite, and baffle safety capsule 6 is clamped in accommodation groove 42 In；The both ends of support rod 4 are connected ball, the limit of ball groove structure 5 is fixed；1 end of horizontal bar of tilting can be avoided and car body face Collision, while there is more eye-catching suggesting effect.

When accident vehicle rushes at guardrail, headstock knocks the end of tilting first, and pierces cross along the lower pole face of horizontal bar 1 After 1 lower part of column, vehicle is clamped by horizontal bar 1 and ground at this time, is not in the case where flying out, while headstock pierces 1 lower section of horizontal bar, 1 end of horizontal bar of tilting is turned over before capable of stopping the tailstock, to avoid vehicle rollover.

When headstock is impinged upon on support column 2, when impact force is greater than the critical value of pre- fault trough 41, support rod 4 will be from pre- fault trough It is disconnected at 41 and splits into two sections, while the support rod 4 of division is swung backward under impact force effect, two opposite support rods 4 can be separated from each other because of magnetic repulsion；While support rod 4 is by hitting, what safe buffering capsule also synchronized is hit, and is hit When hit intensity is more than the safety value of impact switch 61, safe buffering capsule is excited and rapid expanding；I.e. after being hit, bearing Bar 4 quickly divides simultaneously tilted rearward while doing fan out, and 6 spread apart of baffle safety capsule of folded inside is come, is delayed simultaneously 6 rapid expanding of safety bag is rushed, roomy buffering suface is formed and wraps up headstock, the safety of occupant is effectively ensured.

If a support column 2 is severed, baffle safety capsule 6 can not still prevent the impact force of vehicle after rupturing, vehicle is hit It hits so that 1 deformation of horizontal bar, and subsequent multiple support columns 2 is promoted to form buffering defence again, continue the safety for protecting headstock.

To sum up, which can be limited in vehicle between horizontal bar 1 and ground when accident occurs, and effectively prevent it It flies out, to reduce the influence to surrounding traffic；It is turned over before vehicle can be prevented simultaneously, the risk that reduction personnel are pressed；When shock It is capable of forming the roomy buffering suface of fan out, effectively wraps up headstock, the damage that speed is effectively reduced, reduces accident.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims

1. a kind of highway guardrail, which includes horizontal bar (1), support column (2) and fixing seat (3)；The support column (2) The lower section of the horizontal bar (1) is equidistantly assembled and is supported on, the fixing seat (3) is mounted on correspondingly under support column (2) End, fixing seat (3) fastening setting is on the ground；It is characterized by: the end of the horizontal bar (1) is upturned；The support column It (2) include a pair of support rod (4) disposed in parallel, the upper end and the horizontal bar (1) of support rod (4) pass through matched connection Ball, ball groove structure (5) connection, the lower end and the fixing seat (3) of support rod (4) pass through matched connected ball, ball groove structure (5) Connection；The support rod (4) is made by permanent-magnet material, and two pairs of support rod (4) magnetism are repelled each other；Described in two Accommodation groove (42) are offered on the opposite pole face of support rod (4), are placed with baffle safety capsule (6) in the accommodation groove (42), The baffle safety capsule (6) is placed in accommodation groove (42) in pliciform folding, and crease line is parallel with support rod (4)；Buffering peace The both ends of full capsule (6) are respectively fixedly connected with the slot bottom in the accommodation groove (42)；The exciting switch of the baffle safety capsule (6) is Impact switch (61), when impact strength is more than safety value, exciting switch is opened；On the horizontal center line of each support rod (4) Pre- fault trough (41) are offered, when the impact strength that pre- fault trough (41) is subject to is more than critical value, pre- fault trough (41) in support rod (4) Punishment is cleaved into two sections.

2. highway guardrail according to claim 1, it is characterised in that: the end of the horizontal bar (1) is upturned in 90 °.

3. highway guardrail according to claim 1 or 2, it is characterised in that: be embedded on the opposite pole face of support rod (4) The permanent magnets of homopolar-repulsion.

4. highway guardrail according to claim 1, it is characterised in that: the critical value of pre- fault trough (41) is greater than impact switch (61) safety value.

5. highway guardrail according to claim 1, it is characterised in that: filled with explosion inside the baffle safety capsule (6) Medicine and priming, the impact switch (61) are the switch that strikes spark.