CN214363146U - Wave form beam steel guardrail prevents hindering device - Google Patents
Wave form beam steel guardrail prevents hindering device Download PDFInfo
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- CN214363146U CN214363146U CN202022441305.XU CN202022441305U CN214363146U CN 214363146 U CN214363146 U CN 214363146U CN 202022441305 U CN202022441305 U CN 202022441305U CN 214363146 U CN214363146 U CN 214363146U
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- guardrail
- corrugated
- guardrail plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 title claims abstract description 16
- 238000005265 energy consumption Methods 0.000 claims abstract description 17
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 206010017577 Gait disturbance Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a wave form roof beam steel guardrail prevents hindering device belongs to road and bridge engineering equipment, the utility model discloses the technical problem that solves is that the anti striking ability of current wave form roof beam is not good with the absorbed energy effect, and the technical scheme of adoption is: the structure of the guardrail comprises a support frame body, a front corrugated guardrail plate and a rear corrugated guardrail plate, wherein a warning light-reflecting plate is arranged on the outer side of the front corrugated guardrail plate; an energy dissipation assembly is arranged between the front corrugated guardrail plate and the rear corrugated guardrail plate and is positioned at the corrugated protruding positions of the front corrugated guardrail plate and the rear corrugated guardrail plate; a reset assembly is arranged between every two adjacent energy consumption assemblies and is positioned at the wave-shaped concave position of the front wave-shaped guardrail plate and the wave-shaped concave position of the rear wave-shaped guardrail plate; support and be provided with between support frame body and the back wave form guardrail board and prevent hindering the piece, prevent that the piece is the wedge, the wedge is prevented that the wedge is located the lower extreme department that the wedge prevented a side of piece and the wedge of block is prevented that the wedge is close to back wave form guardrail board lateral surface and sets up.
Description
Technical Field
The utility model belongs to the technical field of road bridge engineering equipment and specifically relates to a wave form beam steel guardrail prevents hindering device.
Background
The guardrail is used as the most basic safety protection facility on the expressway, and not only has the functions of stopping vehicles and preventing accident vehicles from going out of the road or running into opposite lanes, but also can absorb energy to reduce or prevent drivers and passengers from being injured. This requires the guardrail to meet both the stiffness and flexibility requirements, which are however contradictory. Meanwhile, with the increasing change of the types of automobiles, the heights of the centers of gravity, the servicing quality, the collision angles and the collision speeds of the vehicles with accidents are different from large trucks to micro cars. In addition, the guardrail designed according to the function requirement of the guardrail also has the functions of guiding, guiding the sight and aesthetic appearance.
The corrugated beam guardrail mainly absorbs energy by means of deformation of the corrugated beam and the anti-blocking block, the corrugated guardrail plate mainly bears tensile force, bending deformation occurs in the transverse direction to resist collision of vehicles with high strength, the vehicles are prevented from rushing out of roads, tensile deformation occurs in the longitudinal direction, the motion direction of the vehicles is corrected with good continuity, expansion deformation occurs in the vertical direction, and the corrugations gradually expand to absorb collision energy; the anti-blocking block refers to an anti-blocking block of a roadside corrugated beam guardrail, is a force bearing part between a corrugated beam and an upright column, is generally made of steel with high hardness, and is deformed to absorb part of collision energy while transmitting the pressure of a guardrail plate.
The wave-shaped beam adopted by the conventional highway guardrail still needs to be strengthened in the capacity of absorbing and buffering energy after bearing collision impact, and the anti-blocking block absorbs the energy by deforming after being impacted, but the deformation is limited, and the effects of impact resistance and energy absorption are poor.
Disclosure of Invention
The technical task of the utility model is to provide a wave form roof beam steel guardrail prevents hindering device solves the current wave form roof beam anti-impact ability and the not good problem of absorbed energy effect.
The technical task of the utility model is realized in the following way, the wave beam steel guardrail anti-block device comprises a support frame body, a front wave-shaped guardrail plate and a rear wave-shaped guardrail plate, and the outer side of the front wave-shaped guardrail plate is provided with a warning reflector; an energy dissipation assembly is arranged between the front corrugated guardrail plate and the rear corrugated guardrail plate and is positioned at the corrugated protruding positions of the front corrugated guardrail plate and the rear corrugated guardrail plate; a reset assembly is arranged between every two adjacent energy consumption assemblies and is positioned at the wave-shaped concave position of the front wave-shaped guardrail plate and the wave-shaped concave position of the rear wave-shaped guardrail plate; support and be provided with between support frame body and the back wave form guardrail board and prevent hindering the piece, prevent that the piece is the wedge, the wedge is prevented that the wedge is located the wedge and prevents that the lower extreme department of a side of piece and the wedge of piece is prevented that the wedge of piece is close to back wave form guardrail board lateral surface and sets up, and the wedge of piece is prevented that the wedge reserves out vertical rotation space for preceding wave form guardrail board and back wave form guardrail board, ensures preceding wave form guardrail board and back wave form guardrail board and keeps vertical head-on collision vehicle.
Preferably, the included angle between the wedge-shaped surface of the block-proof block and the outer side surface of the rear corrugated guardrail plate is 15-45 degrees, and preferably 30 degrees.
Preferably, one side surface of the anti-blocking block is fixedly connected with the support frame body, and the other side surface of the anti-blocking block is fixedly connected with the rear corrugated guardrail plate through an elastic limiting bolt.
Preferably, the energy dissipation assembly comprises an energy dissipation rubber block and two symmetrically arranged fixing brackets, the energy dissipation rubber block is located between the two fixing brackets, and the two fixing brackets are fixedly installed on the inner side surfaces of the front corrugated guardrail plate and the rear corrugated guardrail plate respectively.
Preferably, the energy-consuming rubber block is provided with a plurality of buffer holes, and the buffer holes are used for increasing the deformation capacity of the energy-consuming rubber block.
Preferably, the reset assembly comprises a positioning bolt and a reset spring, the positioning bolt penetrates through the front corrugated guardrail plate and the rear corrugated guardrail plate and is fixedly connected with the outer side face of the rear corrugated guardrail plate through an adjusting nut, the reset spring is sleeved on the positioning bolt, and the reset spring is located between the front corrugated guardrail plate and the rear corrugated guardrail plate.
Preferably, the support frame body comprises an upright post, a base is arranged at the lower end of the upright post, a plurality of clamping plates are arranged between the base and the upright post, and the clamping plates are circumferentially distributed along the outer side surface of the upright post.
The utility model discloses a wave form roof beam steel guardrail prevents hindering device has following advantage:
the utility model solves the problem that the wave-shaped beam guardrail has poor energy absorption effect under the impact of an out-of-control automobile; the impact energy of the out-of-control automobile is absorbed through a return spring and an energy consumption rubber block between the front wave-shaped guardrail plate and the rear wave-shaped guardrail plate; the two layers of the wave-shaped guardrail plates extend vertically to absorb collision energy and exert the anti-blocking capacity; meanwhile, when the front wave-shaped guardrail plate and the rear wave-shaped guardrail plate are subjected to torsional deformation, the energy consumption assembly can generate shear deformation to adapt to the torsion, so that the safety of drivers and passengers is ensured;
the utility model adopts the double-layer corrugated plate hollow design formed by the front corrugated guardrail plate and the rear corrugated guardrail plate, thereby obviously improving the transverse bending rigidity of the guardrail;
thirdly, the utility model has high modularization degree of parts, simple installation and replacement, large elastic rigidity of the structure, difficult damage after being impacted, high reliability, and convenient maintenance once being damaged;
the wedge-shaped anti-blocking block has the functions of deformation and energy absorption of a common anti-blocking block, and the wedge-shaped surface is arranged at the lower end of the inner side of the wedge-shaped anti-blocking block, so that once a violent collision happens to enable the upright post to fall down, the wedge-shaped surface leaves a vertical pre-rotation space for the rear wave-shaped guardrail plate and the front wave-shaped guardrail plate, and the wedge-shaped surface can still basically keep a vertical head-on collision vehicle, thereby preventing the vehicle from rushing out of a road when riding the guardrail or overturning caused by the stumbling phenomenon, improving the stress condition of the guardrail, and fully playing the anti-blocking role under the impact of an out-of-control vehicle, thereby ensuring the personal safety of vehicle drivers and passengers and reducing the economic loss;
the energy consumption assembly absorbs collision energy through elastic compression deformation of the energy consumption rubber block, and meanwhile, the energy consumption rubber block can generate certain shearing deformation to adapt to the condition that deformation of front and rear waveform guardrail plates is inconsistent; the energy-consuming rubber block is provided with a buffer hole for buffering, so that the deformation capacity is increased, and the shearing deformation capacity can be increased;
the reset assembly absorbs collision energy through elastic compression deformation of the reset spring, and when the collision energy is not large, the elastic potential energy of the reset spring is released along with the collision energy, so that the guardrail plate is reset;
(VII) the elastic limit bolt ensures that the front wave-shaped guardrail plate does not have the vertical overturning trend caused by the wedge-shaped anti-blocking block under the normal condition, and when the collision happens, the reset spring is compressed and deformed, so that the wedge-shaped anti-blocking block is ensured to play the anti-blocking role.
The utility model has the characteristics of reasonable in design, simple structure, easily processing, small, convenient to use, a thing is multi-purpose etc, therefore, has fine popularization and use value.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a corrugated beam steel guardrail anti-blocking device;
FIG. 2 is a schematic diagram of the structure of the dissipating assembly shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the energy-consuming rubber block shown in FIG. 2;
FIG. 4 is a view taken along line A of FIG. 3;
FIG. 5 is a view taken along line B of FIG. 3;
fig. 6 is a schematic structural diagram of the reset assembly in fig. 1.
In the figure: 1. the energy-saving guardrail comprises a front corrugated guardrail plate, 2, an energy-consuming component, 2-1, an energy-consuming rubber block, 2-2, a fixing bracket, 2-3, a buffer hole, 3, a warning light-reflecting plate, 4, a reset component, 4-1, a positioning bolt, 4-2, a reset spring, 4-3, an adjusting nut, 5, a rear corrugated guardrail plate, 6, a support frame body, 6-1, a clamping plate, 6-2, a base, 6-3, an upright post, 7, an anti-blocking block, 7-1, a wedge surface, 8 and an elastic limiting bolt;
in the attached figure 1, a refers to an included angle between a wedge-shaped surface of the block-proof block and the outer side surface of the rear wavy guardrail plate.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and for simplification of description. And are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in the attached figure 1, the utility model discloses a wave form roof beam steel guardrail anti-drag device, its structure is mainly including supporting support body 6, preceding wave form guardrail board 1 and back wave form guardrail board 5, and warning reflector panel 3 is installed in the outside of preceding wave form guardrail board 1. The support frame body 6 comprises an upright post 6-3, a base 6-2 is installed at the lower end of the upright post 6-3, a plurality of clamping plates 6-1 are installed between the base 6-2 and the upright post 6-3, and the clamping plates 6-1 are circumferentially distributed along the outer side surface of the upright post 6-3. The height of the upright post 6-3 is 125cm higher than the road surface, and the height of the impact surface is 70.5 cm; wherein the height from the upper edge of the head-on collision surface to the road surface is 122cm, and the height from the lower edge to the road surface is 51.5 cm. An energy consumption assembly 2 is arranged between the front wave-shaped guardrail plate 1 and the rear wave-shaped guardrail plate 6, and the energy consumption assembly 2 is positioned at the wave-shaped convex positions of the front wave-shaped guardrail plate 1 and the rear wave-shaped guardrail plate 5; as shown in fig. 2, the energy dissipation assembly 2 includes an energy dissipation rubber block 2-1 and two symmetrically disposed fixing brackets 2-2, the energy dissipation rubber block 2-1 is located between the two fixing brackets 2-2, and the two fixing brackets 2-2 are respectively and fixedly mounted on the inner side surfaces of the front and rear corrugated guardrail plates 1 and 5. As shown in the attached figures 3, 4 and 5, the energy-consuming rubber block 2-1 is provided with a plurality of buffer holes 2-3, and the buffer holes 2-3 are used for increasing the deformation capacity of the energy-consuming rubber block 2-1. A reset component 4 is arranged between every two adjacent energy consumption components 2, and the reset component 4 is positioned at the wave-shaped concave position of the front wave-shaped guardrail plate 1 and the rear wave-shaped guardrail plate 5; as shown in fig. 6, the reset assembly 4 comprises a positioning bolt 4-1 and a reset spring 4-2, the positioning bolt 4-1 penetrates through the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5 and is fixedly connected with the outer side surface of the rear corrugated guardrail plate 5 through an adjusting nut 4-3, the reset spring 4-2 is sleeved on the positioning bolt 4-1, and the reset spring 4-2 is located between the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5. An anti-blocking block 7 is arranged between the upright post 6-3 and the rear wavy guardrail plate 5, one side surface of the anti-blocking block 7 is fixedly connected with the upright post 6-3, and the other side surface of the anti-blocking block 7 is fixedly connected with the rear wavy guardrail plate 5 through an elastic limit bolt 8. The anti-blocking block 7 is wedge-shaped, the wedge-shaped surface 7-1 of the wedge-shaped anti-blocking block 7 is located at the lower end of one side face of the wedge-shaped anti-blocking block 7, the wedge-shaped surface 7-1 of the wedge-shaped anti-blocking block 7 is arranged close to the outer side face of the rear corrugated guardrail plate 5, the included angle between the wedge-shaped surface 7-1 of the anti-blocking block 7 and the outer side face of the rear corrugated guardrail plate 5 is 30 degrees, a vertical rotating space is reserved for the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5 by the wedge-shaped surface 7-1 of the wedge-shaped anti-blocking block 7, and the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5 are guaranteed to keep facing the colliding vehicle vertically.
The installation process comprises the following steps: an energy consumption assembly 2 and a reset assembly 4 are arranged between the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5; one end of each energy consumption assembly 2 is connected with the inner side face of the front corrugated guardrail plate 1, the other end of each energy consumption assembly 2 is connected with the outer side face of the rear corrugated guardrail plate 5, and the energy consumption assemblies 2 are located at the corrugated protruding positions of the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5; each reset component 4 is respectively and fixedly connected with the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5, and the two ends of each reset spring 4-2 are in contact with the front corrugated guardrail plate 1 and the rear corrugated guardrail plate 5 through the adjusting nuts 4-3 and keep the original length during installation. The rear wave-shaped guardrail plate 5 and the reset component 4 are connected with the wedge-shaped block 7 through the positioning bolt 4-1 and the elastic limit bolt 8, the reset spring 4-2 is in contact with the inner side of the block 7 and keeps the original length during installation through the adjusting nut 4-3, and the wedge-shaped block 7 can be fixed with the upright post 6-3 through a bolt in advance.
The working principle is as follows: when using the utility model discloses the time, install preceding wave shape guardrail board 1 and back wave shape guardrail board 5 and need the guardrail to enclose the position that keeps off. In general, a driver can see the position of the front corrugated guardrail plate 1 through the warning reflector 3, so that the front corrugated guardrail plate 1 is prevented from being mistakenly collided;
when a vehicle is carelessly out of control to hit a guardrail, the vehicle firstly contacts with the front waveform guardrail plate 1, the energy consumption assembly 2 and the reset assembly 4 are compressed to absorb part of collision kinetic energy, and when the collision kinetic energy is not large, the collision kinetic energy can be absorbed by the energy consumption assembly 2 and the reset assembly 4 and then released by the reset assembly 4, so that the vehicle restores to a normal driving direction, the damage to the guardrail is weakened while the safety of drivers and passengers is protected, and the maintenance cost is reduced;
when the collision energy of the out-of-control vehicle is too large and the upright post 6-3 falls down, the wedge-shaped anti-blocking block 7 plays a role, and the included angle a between the wedge-shaped surface 7-1 and the rear wave-shaped guardrail plate 5 can enable the front wave-shaped guardrail plate 1 and the rear wave-shaped guardrail plate 5 to turn over at a certain angle, so that the front wave-shaped guardrail plate 1 and the rear wave-shaped guardrail plate 5 basically keep vertical facing to the vehicle to be collided, and the vehicle is prevented from rushing out of a road or being overturned due to the phenomenon of stumbling when a vehicle straddles a guardrail; further, the front wave-shaped guardrail plate 1 and the rear wave-shaped guardrail plate 5 extend vertically to absorb collision energy and exert the anti-blocking capacity; on the other hand, when the front wave-shaped guardrail plate 1 and the rear wave-shaped guardrail plate 5 are twisted and deformed, the energy-consuming rubber block 2-1 can be sheared and deformed to adapt to the twisting, so that the safety of drivers and passengers is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A corrugated beam steel guardrail anti-blocking device comprises a support frame body, a front corrugated guardrail plate and a rear corrugated guardrail plate, wherein a warning light-reflecting plate is arranged on the outer side of the front corrugated guardrail plate; the energy dissipation assembly is arranged between the front corrugated guardrail plate and the rear corrugated guardrail plate and is positioned at the corrugated convex positions of the front corrugated guardrail plate and the rear corrugated guardrail plate; a reset assembly is arranged between every two adjacent energy consumption assemblies and is positioned at the wave-shaped concave position of the front wave-shaped guardrail plate and the wave-shaped concave position of the rear wave-shaped guardrail plate; support and be provided with between support frame body and the back wave form guardrail board and prevent that the piece that blocks is the wedge, the wedge is prevented that the wedge is located the wedge and prevents that the lower extreme department of a side of block and the wedge of block is prevented that the wedge face of block is close to back wave form guardrail board lateral surface and sets up, and the wedge face that the piece was prevented to the wedge reserves out vertical rotation space for preceding wave form guardrail board and back wave form guardrail board.
2. The corrugated beam steel guardrail anti-drag device of claim 1, wherein the angle between the wedge surface of the anti-drag block and the outer side surface of the rear corrugated guardrail plate is 15-45 °.
3. The corrugated beam steel guardrail anti-blocking device as claimed in claim 1 or 2, wherein one side surface of the anti-blocking block is fixedly connected with the support frame body, and the other side surface of the anti-blocking block is fixedly connected with the rear corrugated guardrail plate through an elastic limit bolt.
4. The device of claim 1, wherein the energy dissipation assembly comprises an energy dissipation rubber block and two symmetrically arranged fixing brackets, the energy dissipation rubber block is located between the two fixing brackets, and the two fixing brackets are respectively and fixedly mounted on the inner side surfaces of the front and rear corrugated guardrail plates.
5. The corrugated beam steel guardrail anti-blocking device as claimed in claim 4, wherein the energy dissipation rubber block is provided with a plurality of buffer holes, and the buffer holes are used for increasing the deformation capacity of the energy dissipation rubber block.
6. The corrugated beam steel guardrail anti-drag device of claim 1, wherein the reset assembly comprises a positioning bolt and a reset spring, the positioning bolt penetrates through the front corrugated guardrail plate and the rear corrugated guardrail plate and is fixedly connected with the outer side surface of the rear corrugated guardrail plate through an adjusting nut, the reset spring is sleeved on the positioning bolt, and the reset spring is positioned between the front corrugated guardrail plate and the rear corrugated guardrail plate.
7. The corrugated beam steel guardrail anti-block device as claimed in claim 1, wherein the support frame comprises a column, a base is arranged at the lower end of the column, a plurality of clamping plates are arranged between the base and the column, and the clamping plates are circumferentially distributed along the outer side surface of the column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022441305.XU CN214363146U (en) | 2020-10-28 | 2020-10-28 | Wave form beam steel guardrail prevents hindering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022441305.XU CN214363146U (en) | 2020-10-28 | 2020-10-28 | Wave form beam steel guardrail prevents hindering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214363146U true CN214363146U (en) | 2021-10-08 |
Family
ID=77969806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022441305.XU Expired - Fee Related CN214363146U (en) | 2020-10-28 | 2020-10-28 | Wave form beam steel guardrail prevents hindering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214363146U (en) |
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2020
- 2020-10-28 CN CN202022441305.XU patent/CN214363146U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |