CN112323687A - Anti-collision guardrail structure - Google Patents
Anti-collision guardrail structure Download PDFInfo
- Publication number
- CN112323687A CN112323687A CN202011370127.4A CN202011370127A CN112323687A CN 112323687 A CN112323687 A CN 112323687A CN 202011370127 A CN202011370127 A CN 202011370127A CN 112323687 A CN112323687 A CN 112323687A
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- Prior art keywords
- hydraulic piston
- guardrail
- piston force
- force transmission
- force transfer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses an anti-collision guardrail structure which comprises guardrail columns, hydraulic piston force transmission devices and reinforcing support assemblies, wherein the hydraulic piston force transmission devices are arranged between the adjacent guardrail columns, and the reinforcing support assemblies are respectively connected with the guardrail columns and the hydraulic piston force transmission devices. The invention has the advantages that: the guardrail that makes originally the separation forms the frame system, greatly improves the rigidity of guardrail system. When a vehicle impacts a guardrail on one side, impact force is transmitted to a guardrail on the other side through the device, so that guardrails on two sides are stressed cooperatively, the damage risk of the guardrail on the impacting side is greatly reduced, the vehicle is prevented from rushing into opposite vehicles, and secondary accidents are avoided; alarm system can convey the accident position to backstage terminal, and managers can know the accident and take rescue measures the very first time, can greatly reduced traffic jam time like this and strive for injured person's gold rescue time.
Description
Technical Field
The invention relates to the technical field of integral type bidirectional running road central separation band corrugated steel guardrails, in particular to an anti-collision guardrail structure.
Background
In the case of highways and first-class highways as arterial roads, the integral roadbed section must be provided with a central dividing strip guardrail. The central separation belt guardrail is used as an important safety accessory facility in highway engineering, can effectively prevent serious traffic accidents and huge property loss caused by the fact that vehicles rush into opposite lanes due to faults or uncontrolled driving, and is widely applied to the highway engineering.
At present, in actual engineering, the central separation zone guardrail can be divided into a flexible guardrail, a semi-rigid guardrail and a rigid guardrail according to requirements and application conditions. The corrugated steel guardrail belongs to a semi-steel guardrail and has the advantages of firmness, durability, rapidness in installation, moderate manufacturing cost, convenience in later maintenance and the like, so that the corrugated steel guardrail is a main mode adopted by the traditional central separation belt guardrail.
After the corrugated steel guardrail is collided by a vehicle, the deformation of the soil foundation, the upright post and the cross beam is utilized to absorb collision energy, and the out-of-control vehicle is forced to change the direction and recover to the normal running direction, so that the vehicle is prevented from rushing into an opposite lane. However, in reality, there are many cases that the vehicle is out of control and rushes into the opposite vehicle to cause serious traffic accidents. The analysis reason is mainly because wave form guardrail belongs to the separation setting on present central separation area both sides, does not have any structure connection measure in the middle of, can't accomplish the atress in coordination, and the guardrail stand is inlayed in the soil matrix simultaneously, and the consolidation force is not enough. When a vehicle impacts one side guardrail at high speed, the huge impact force can cause that when the upright post of the side guardrail deforms seriously to topple, the vehicle passes over the guardrail and impacts the other side guardrail, and then rushes into the opposite lane. Meanwhile, after an accident occurs, road managers usually know the accident through monitoring and reporting of the accident, and when the accident occurs and is not monitored or the accident is seriously injured, information may be delayed, which causes great interference to normal road traffic.
Therefore, need design an anti guardrail structure that hits, aim at solves among the prior art guardrail anti ability that hits and exists not enough, can not in time know accident position and carry out the defect of rescue.
Disclosure of Invention
The invention aims to solve the problems that the anti-collision capacity of a guardrail in the prior art is insufficient, and the accident position cannot be known in time for rescue.
The invention is realized by the following technical scheme:
the utility model provides an anti guardrail structure that hits, includes guardrail stand, hydraulic piston power transmission device and strengthens propping the subassembly, be provided with hydraulic piston power transmission device between the adjacent guardrail stand, strengthen propping the subassembly and be connected with guardrail stand and hydraulic piston power transmission device respectively.
In the prior art, the waveform guardrails on two sides of a central division strip are arranged in a separated mode, no structural connection measure exists in the middle, cooperative stress cannot be achieved, and meanwhile, guardrail upright columns are embedded in soil foundations, so that the embedding force is insufficient. When a vehicle impacts one side guardrail at high speed, the huge impact force can cause that when the upright post of the side guardrail deforms seriously to topple, the vehicle passes over the guardrail and impacts the other side guardrail, and then rushes into the opposite lane.
The invention adds the hydraulic piston force transmission device, when the vehicle is out of control and collides with the guardrail on one side, the upright post of the guardrail can be caused to deform instantly, at the moment, the hydraulic piston force transmission device enters a working state, the hydraulic piston realizes contraction and energy dissipation through buffering, simultaneously, the rest energy is transmitted to the guardrail on the other side and the underground, and the guardrails on the two sides are symmetrically arranged, so that the guardrails on the two sides are stressed cooperatively.
The working principle is as follows: when a vehicle is out of control and collides with a guardrail on one side, firstly, the vehicle collides with a waveform steel plate on the side, the waveform guardrail absorbs energy through deformation, then the residual energy is transmitted to an anti-blocking block, the anti-blocking block absorbs part of the energy and then transmits the residual energy to an upright post on the side, the upright post rotates relative to soil foundation, part of the energy is absorbed through the rotation, meanwhile, a hydraulic piston force transmission device starts to work, firstly, the hydraulic piston contracts to absorb energy through buffering, then the residual energy is transmitted to an inclined strut and an upright post on the outer side guardrail, the residual energy is absorbed through deformation of the upright post on the outer side, the energy transmission and consumption processes are very short, as can be seen from the mechanical simulation diagrams of figures 5 and 6, all components share stress, when the vehicle collides, the guardrail shares half of force, if the device is not provided, all the force can act on the guardrail on one side, the one side guard rail is severely deformed to cause an immeasurable loss.
Meanwhile, when the piston is contracted, the alarm device is automatically started, the alarm device sends a signal to the background terminal, and the management personnel can know an accident and take rescue measures at the first time; and meanwhile, the information is transmitted to the electronic display screen of the rear road section, so that the function of prompting the rear vehicle can be achieved. After the vehicle is impacted, the hydraulic piston force transmission device can reset automatically. The device enables the originally separated guardrails to form a frame system, and greatly improves the anti-collision capacity of the guardrail system.
Furthermore, the hydraulic piston force transmission device comprises a first hydraulic piston force transmission component and a second hydraulic piston force transmission component, the first hydraulic piston force transmission component is connected with the second hydraulic piston force transmission component, the first hydraulic piston force transmission component is located between the two second hydraulic piston force transmission components, the second hydraulic piston force transmission component is connected with the guardrail column, and the first hydraulic piston force transmission component is connected with the reinforcing support component.
Furthermore, a photovoltaic film is laid on the hydraulic piston force transmission first component, and an integrated alarm device is arranged in the hydraulic piston force transmission first component;
the photovoltaic film utilizes the solar cell to directly convert solar energy into electric energy to provide electric energy for the integrated alarm device, the integrated alarm device is arranged below the interior of the hydraulic piston force transmission first component, the appearance is more attractive, and the alarm device is prevented from being damaged due to damage in the collision process and rainwater invasion.
Furthermore, the reinforcing support component comprises an angle steel reinforcing inclined support and a channel steel reinforcing cross support, the angle steel reinforcing inclined support and the channel steel reinforcing cross support form a triangular component, and the angle steel reinforcing inclined support is connected with the hydraulic piston force transmission first component;
the bracing is strengthened to the angle steel in the below of the first component of hydraulic piston biography power, and the bracing is strengthened to the angle steel sets up for the symmetry, and two side guardrail stands are atress in coordination, and the bracing is strengthened to the angle steel and the channel-section steel is strengthened the stull and is the stable biography power auxiliary system of triangle strenghthened type.
Furthermore, the hydraulic piston force transmission second component is of a telescopic structure;
when the vehicle impacts the upright post and transmits force to the hydraulic piston force transmission second component, the hydraulic piston force transmission second component can freely stretch and contract to decompose force.
Furthermore, an embedded bolt is arranged in the guardrail column and connected with the hydraulic piston force transmission device through an anti-theft nut.
Further, the hydraulic piston force transmission first component, the angle steel reinforced diagonal brace and the channel steel reinforced cross brace are integrally formed;
the hydraulic piston force transmission first component, the angle steel reinforcing inclined strut and the channel steel reinforcing cross strut are connected into a whole through welding.
Further, the guardrail upright post is made of rectangular hollow steel pipes, and a post cap is arranged above the guardrail upright post;
under the same weight of the rectangular hollow steel pipe, the torque moment which can be borne by the hollow pipe is larger than that of a solid round bar, and if the sectional areas are equal, the bending resistance of the hollow steel pipe is strong, so that the guardrail upright post is made of the rectangular hollow steel pipe.
Furthermore, the outer side of the guardrail upright post is connected with an anti-blocking block, and a corrugated steel plate is arranged on the outer side of the anti-blocking block;
when the vehicle is out of control and collides with the guardrail on one side, the vehicle can firstly collide the corrugated steel plate, and the corrugated steel plate buffers, so that the force is transmitted to the anti-blocking block, and the anti-blocking block also plays a role of blocking force and buffers partial force.
Furthermore, a hydraulic piston force transmission second component is connected with a steel plate, and the steel plate is anchored with the guardrail upright post through a bolt.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the anti-collision guardrail structure, originally separated guardrails form a frame system, and the anti-collision capacity of the guardrail system is greatly improved. When the vehicle strikeed one side guardrail, the impact can pass through the device and transmit for the guardrail of the other side to make two side guardrails atress in coordination, greatly reduced strikeed the damage risk of side guardrail, thereby prevent that the vehicle from rushing into the subtend vehicle, avoid the emergence of secondary accident.
2. According to the anti-collision guardrail structure, the alarm system can transmit the accident position to the background terminal, and the management personnel can know the accident and take rescue measures at the first time, so that the traffic jam time and the gold rescue time for the injured personnel can be greatly reduced; meanwhile, the information is transmitted to the electronic display screen of the rear road section, and the function of prompting the rear vehicle can be achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic cross-sectional view of a guardrail post.
Fig. 2 is a schematic elevation of a hydraulic piston force transfer device.
Fig. 3 is a schematic plan view of the guard rail.
Fig. 4 is a schematic elevational view of the guardrail.
FIG. 5 is a simulation diagram of bending moment internal force.
Fig. 6 is a graph of shear internal force simulation.
The method comprises the following steps of 1-guardrail upright posts, 2-anti-blocking blocks, 3-corrugated steel plates, 4-column caps, 5-embedded bolts, 6-hydraulic piston force transmission devices, 61-hydraulic piston force transmission first components, 62-photovoltaic films, 63-integrated alarm devices, 64-angle steel reinforced diagonal braces, 65-channel steel reinforced cross braces, 66-steel plates, 67-hydraulic piston force transmission second components, and →' indicating the force in the impact direction.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-6, the invention relates to an anti-collision guardrail structure, which comprises guardrail columns 1, hydraulic piston force transmission devices 6 and reinforcing support components, wherein the hydraulic piston force transmission devices 6 are arranged between the adjacent guardrail columns 1, the reinforcing support components are respectively connected with the guardrail columns 1 and the hydraulic piston force transmission devices 6, when a vehicle is out of control and collides with one side of a guardrail, the guardrail columns 1 are instantaneously deformed, at the moment, the hydraulic piston force transmission devices 6 enter a working state, the hydraulic pistons shrink and dissipate energy through buffering, and simultaneously, the residual energy is transmitted to the other side of the guardrail and the underground, and the guardrail columns 1 at the two sides are symmetrically arranged, so that the guardrail columns 1 at the two sides are cooperatively stressed.
The working principle is as follows: when a vehicle is out of control and collides with a guardrail on one side, firstly, the vehicle collides with a waveform steel plate on the side, the waveform guardrail absorbs energy through deformation, then the residual energy is transmitted to an anti-blocking block, the anti-blocking block absorbs part of the energy and then transmits the residual energy to an upright post on the side, the upright post rotates relative to soil foundation, part of the energy is absorbed through the rotation, meanwhile, a hydraulic piston force transmission device starts to work, firstly, the hydraulic piston contracts to absorb energy through buffering, then the residual energy is transmitted to an inclined strut and an upright post on the outer side guardrail, the residual energy is absorbed through deformation of the upright post on the outer side, the energy transmission and consumption processes are very short, as can be seen from the mechanical simulation diagrams of figures 5 and 6, all components share stress, when the vehicle collides, the guardrail shares half of force, if the device is not provided, all the force can act on the guardrail on one side, the one side guard rail is severely deformed to cause an immeasurable loss.
Meanwhile, when the piston is contracted, the alarm device is automatically started, the alarm device sends a signal to the background terminal, and the management personnel can know an accident and take rescue measures at the first time; and meanwhile, the information is transmitted to the electronic display screen of the rear road section, so that the function of prompting the rear vehicle can be achieved. After the vehicle is impacted, the hydraulic piston force transmission device can reset automatically. The device enables the originally separated guardrails to form a frame system, and greatly improves the anti-collision capacity of the guardrail system.
Example 2
As shown in fig. 1-6, this embodiment is based on embodiment 1, the hydraulic piston force transmission device 6 comprises a first hydraulic piston force transmission member 61 and a second hydraulic piston force transmission member 67, the first hydraulic piston force transmission member 61 is connected with the second hydraulic piston force transmission member 67, the first hydraulic piston force transmission member 61 is located between the two second hydraulic piston force transmission members 67, the second hydraulic piston force transmission members 67 are connected with the guardrail posts 1, and the first hydraulic piston force transmission member 61 is connected with the reinforcing brace component; a photovoltaic film 62 is laid on the hydraulic piston force transmission first component 61, and an integrated alarm device 63 is arranged in the hydraulic piston force transmission first component 61; the photovoltaic film 62 directly converts solar energy into electric energy by using a solar cell to provide electric energy for the integrated alarm device 63, the integrated alarm device 63 is arranged below the interior of the hydraulic piston force transmission first component 61, so that the integrated alarm device is more attractive, and the alarm device is prevented from being damaged due to damage caused by impact and rainwater intrusion; the reinforcing brace component comprises an angle steel reinforcing diagonal brace 64 and a channel steel reinforcing cross brace 65, the angle steel reinforcing diagonal brace 64 and the channel steel reinforcing cross brace 65 form a triangular component, and the angle steel reinforcing diagonal brace 64 is connected with the hydraulic piston force transmission first component 61; the angle steel reinforcing inclined struts 64 are arranged below the hydraulic piston force transmission first component 61, the angle steel reinforcing inclined struts 64 are symmetrically arranged, the guardrail columns 1 on the two sides are cooperatively stressed, and the angle steel reinforcing inclined struts 64 and the channel steel reinforcing cross struts 65 are triangular reinforced stable force transmission auxiliary systems; the hydraulic piston force transmission second component 67 is of a telescopic structure; when the vehicle impacts the upright column and transmits force to the hydraulic piston force transmission second component 67, the hydraulic piston force transmission second component 67 can freely stretch and contract to decompose force; an embedded bolt 5 is arranged in the guardrail upright post 1, and the embedded bolt 5 is connected with a hydraulic piston force transmission device 6 through an anti-theft nut; the hydraulic piston force transmission first component 61, the angle steel reinforcing inclined strut 64 and the channel steel reinforcing cross strut 65 are integrally formed; the hydraulic piston force transmission first component 61, the angle steel reinforcing inclined strut 64 and the channel steel reinforcing cross strut 65 are connected into a whole through welding; the guardrail upright post 1 is made of rectangular hollow steel pipes, and a post cap 4 is arranged above the guardrail upright post 1; under the same weight of the rectangular hollow steel pipe, the torque moment which can be borne by the hollow pipe is larger than that of a solid round bar, and if the sectional areas are equal, the bending resistance of the hollow steel pipe is strong, so that the guardrail upright post 1 is made of the rectangular hollow steel pipe; the outer side of the guardrail upright post 1 is connected with an anti-blocking block 2, and the outer side of the anti-blocking block 2 is provided with a corrugated steel plate 3; when the vehicle is out of control and collides with the guardrail on one side, the vehicle firstly collides with the corrugated steel plate 3, the corrugated steel plate 3 buffers, so that the force is transmitted to the anti-blocking block 2, and the anti-blocking block 2 also plays a role of blocking force and buffers partial force; the hydraulic piston force transmission second component 67 is connected with a steel plate 66, and the steel plate 66 is anchored with the guardrail upright post 1 through bolts.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an anti guardrail structure that hits, its characterized in that includes guardrail stand (1), hydraulic piston power transmission device (6) and strengthens and prop the subassembly, is provided with hydraulic piston power transmission device (6) between adjacent guardrail stand (1), strengthens to prop the subassembly and is connected with guardrail stand (1) and hydraulic piston power transmission device (6) respectively.
2. A crash barrier structure according to claim 1 wherein the hydraulic piston force transfer means (6) comprises a first hydraulic piston force transfer member (61) and a second hydraulic piston force transfer member (67), the first hydraulic piston force transfer member (61) and the second hydraulic piston force transfer member (67) being connected, the first hydraulic piston force transfer member (61) being located between the two second hydraulic piston force transfer members (67), the second hydraulic piston force transfer members (67) being connected to the barrier post (1), the first hydraulic piston force transfer member (61) being connected to the reinforcing brace assembly.
3. An impact-resistant guardrail structure according to claim 1, characterized in that the hydraulic piston force-transmitting first member (61) is coated with a photovoltaic film (62), and the hydraulic piston force-transmitting first member (61) is internally provided with an integrated alarm device (63).
4. A crash barrier structure according to claim 1 wherein the bracing assembly comprises an angle reinforcement brace (64) and a channel reinforcement brace (65), the angle reinforcement brace (64) and channel reinforcement brace (65) forming a triangular member, the angle reinforcement brace (64) being connected to the hydraulic piston force transmitting first member (61).
5. An impact-resistant guard rail structure according to claim 2, characterized in that said hydraulic piston force-transmitting second member (67) is of a telescopic construction.
6. The crash barrier structure as claimed in claim 1, wherein the guardrail column (1) is provided with a pre-embedded bolt (5), and the pre-embedded bolt (5) is connected with the hydraulic piston force transmission device (6) through an anti-theft nut.
7. An impact-resistant barrier construction according to claim 1, wherein the hydraulic piston force-transmitting first member (61), angle steel reinforcing diagonal brace (64) and channel steel reinforcing cross brace (65) are integrally formed.
8. An impact-resistant guardrail structure according to claim 1, characterized in that the guardrail posts (1) are made of rectangular hollow steel tubes, and a cap (4) is arranged above the guardrail posts (1).
9. The crash barrier structure as claimed in claim 1, wherein the outer side of the barrier post (1) is connected with the block (2), and the outer side of the block (2) is provided with the corrugated steel plate (3).
10. An impact-resistant guard rail structure according to claim 1, characterized in that the hydraulic piston force-transmitting second member (67) is connected to a steel plate (66), and the steel plate (66) is anchored to the guard rail post (1) by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370127.4A CN112323687A (en) | 2020-11-30 | 2020-11-30 | Anti-collision guardrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370127.4A CN112323687A (en) | 2020-11-30 | 2020-11-30 | Anti-collision guardrail structure |
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| Publication Number | Publication Date |
|---|---|
| CN112323687A true CN112323687A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011370127.4A Pending CN112323687A (en) | 2020-11-30 | 2020-11-30 | Anti-collision guardrail structure |
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| Country | Link |
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| CN (1) | CN112323687A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982245A (en) * | 2021-03-11 | 2021-06-18 | 湖南大学 | Combined pier anti-collision device |
-
2020
- 2020-11-30 CN CN202011370127.4A patent/CN112323687A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982245A (en) * | 2021-03-11 | 2021-06-18 | 湖南大学 | Combined pier anti-collision device |
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