CN114876282B - Buffer anti-collision warning guardrail for road and bridge construction - Google Patents
Buffer anti-collision warning guardrail for road and bridge construction Download PDFInfo
- Publication number
- CN114876282B CN114876282B CN202210708204.5A CN202210708204A CN114876282B CN 114876282 B CN114876282 B CN 114876282B CN 202210708204 A CN202210708204 A CN 202210708204A CN 114876282 B CN114876282 B CN 114876282B
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- plate
- guardrail
- damping
- road
- bridge construction
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 56
- 230000035939 shock Effects 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 239000012530 fluid Substances 0.000 claims description 28
- 229920000742 Cotton Polymers 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims 1
- 230000030279 gene silencing Effects 0.000 abstract description 9
- 206010039203 Road traffic accident Diseases 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000007792 addition Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
-
- 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
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8457—Solid slabs or blocks
- E04B2001/8461—Solid slabs or blocks layered
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention belongs to the technical field of guardrails, and particularly relates to a buffer anti-collision warning guardrail for road and bridge construction, which comprises a base, a guardrail plate, a primary damping component, a secondary damping component and a silencing component arranged on one side of the guardrail plate, wherein the vertical part of the guardrail plate is fixed on the base; the invention has the beneficial effects that: the primary damping component and the secondary damping component are opposite to the lane, the silencing component is opposite to the road and bridge construction site, the base is fixed at the appointed ground position, when the vehicle is towards the guardrail plate, the primary damping component is used for carrying out primary force unloading and damping on the vehicle, the secondary damping component is used for carrying out secondary force unloading and damping on the vehicle, and noise generated in the road and bridge construction process is isolated through the silencing component; the invention can effectively absorb and unload the shock of the vehicle, prevent major traffic accidents, effectively noise and noise reduction for the road and bridge construction process, and fully meet the construction requirements of the road and bridge.
Description
Technical Field
The invention relates to the technical field of guardrails, in particular to a buffer anti-collision warning guardrail for road and bridge construction.
Background
The existing construction guardrail is generally directly fixed on the ground and is used for isolating a lane from a road and bridge construction site, however, some vehicles on the lane can directly strike the guardrail when not in contact with the lane, and the fixed guardrail can not absorb shock and unload force to the vehicles after striking the vehicles, so that the vehicles and the guardrail are hard to collide, and serious traffic accidents are caused; in addition, because the huge noise that can produce in the road and bridge construction process, and current guardrail only has the separation effect, can't satisfy the demand of road and bridge construction yet.
Disclosure of Invention
Aiming at the defects, the invention provides the buffer anti-collision warning guardrail for road and bridge construction, which can effectively absorb and unload the force of vehicles, prevent major traffic accidents, effectively noise and reduce the noise in the road and bridge construction process and fully meet the construction requirements of the road and bridge.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a road and bridge construction is with buffering anticollision warning guardrail, includes the base of fixing subaerial, set up in on the base, the cross-section is the guardrail board of T shape, set up in primary damping element and secondary damping element of guardrail board one side, set up in the amortization subassembly of guardrail board opposite side, the vertical portion of guardrail board is fixed on the base.
Further, the primary damping component comprises a non-Newtonian fluid damping wall, the top end of the non-Newtonian fluid damping wall is connected with the transverse portion of the guardrail plate through an upper elastic band, and the bottom end of the non-Newtonian fluid damping wall is connected with the base through a lower elastic band.
Further, the non-Newtonian fluid damping wall comprises a substrate, a plurality of honeycomb grooves are formed in one side, away from the vertical portion of the guardrail plate, of the substrate, elastic air bag sheets are respectively arranged at the notch positions of the honeycomb grooves, the edges of the elastic air bag sheets are in sealing connection with the notch positions of the honeycomb grooves, a sealed fluid cavity is formed between the honeycomb grooves and the elastic air bag sheets, and non-Newtonian fluid is filled in the fluid cavity.
Further, secondary damper includes mounting panel and damper plate to setting up, the mounting panel is fixed the vertical portion of guardrail board, the damper plate is just right the base plate sets up, the mounting panel is kept away from one side of the vertical portion of guardrail board is provided with a plurality of mounting grooves, damper plate is last to the mounting groove is provided with the damper groove, be provided with the shock attenuation connecting piece in the mounting groove, the both ends of shock attenuation connecting piece are fixed respectively the tank bottom of mounting groove and the tank bottom of damper groove.
Further, the shock attenuation connecting piece includes cylindrical gasbag, centers on a plurality of dampers that cylindrical gasbag set up, the top and the bottom of cylindrical gasbag are provided with roof and bottom plate respectively, damper one end is fixed on the bottom plate, the piston rod pole head drive of damper is connected the roof, a plurality of the damper regards the axle center of cylindrical gasbag as the equiangular setting of center, the bottom plate is fixed the tank bottom of mounting groove, the roof is fixed the tank bottom of shock attenuation groove.
Further, the noise reduction assembly comprises an L-shaped outer steel plate fixed on one side of the guardrail plate, an L-shaped inner steel plate arranged on the inner side of the L-shaped outer steel plate, the L-shaped outer steel plate is connected with the L-shaped inner steel plate through polyester cotton, sound absorption holes are formed in the L-shaped outer steel plate and the L-shaped inner steel plate, and honeycomb ceramic sound absorption particles are filled in the polyester cotton.
Further, the thickness of the L-shaped inner steel plate is 2.0-4.0mm, the thickness of the L-shaped outer steel plate is 0.5-1.0mm, the aperture of the sound absorption holes is 0.2-0.3mm, and the grain size range of the honeycomb ceramic sound absorption particles is 0.05-1.0mm.
Further, guardrail plate and base integrated into one piece, a plurality of mounting holes have been seted up on the base.
The beneficial effects of the invention are as follows:
According to the technical scheme, the beneficial effects of the invention are as follows: the primary damping component and the secondary damping component are opposite to the lane, the silencing component is opposite to the road and bridge construction site, the base is fixed at the appointed ground position, when the vehicle is towards the guardrail plate, the primary damping component is used for carrying out primary force unloading and damping on the vehicle, the secondary damping component is used for carrying out secondary force unloading and damping on the vehicle, and noise generated in the road and bridge construction process is isolated through the silencing component; the invention can effectively absorb and unload the shock of the vehicle, prevent major traffic accidents, effectively noise and noise reduction for the road and bridge construction process, and fully meet the construction requirements of the road and bridge.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
FIG. 5 is a partial enlarged view at B in FIG. 4;
Reference numerals: a base 1; a guardrail plate 2; primary vibration-damping component 3; a non-Newtonian fluid shock wall 31; a substrate 311; a honeycomb groove 312; an elastic air bag sheet 313; a fluid chamber 314; an upper elastic band 32; a lower elastic band 33; a secondary shock absorbing assembly 4; a mounting plate 41; a mounting slot 411; a damper plate 42; a shock absorbing groove 421; a shock absorbing connector 43; a cylindrical balloon 431; a damper 432; a top plate 433; a bottom plate 434; a muffler assembly 5; an L-shaped outer steel plate 51; an L-shaped inner steel plate 52; polyester cotton 53; sound absorbing holes 54.
Detailed Description
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present embodiment provides a buffering anti-collision warning guardrail for road and bridge construction, which comprises a base 1 fixed on the ground, a guardrail plate 2 with a T-shaped section arranged on the base 1, a primary damping component 3 and a secondary damping component 4 arranged on one side of the guardrail plate 2, a silencing component 5 arranged on the other side of the guardrail plate 2, and a vertical portion of the guardrail plate 2 fixed on the base 1.
When the road bridge construction site is used, the primary damping component 3 and the secondary damping component 4 are opposite to a lane, the silencing component 5 is opposite to the road bridge construction site, the base 1 is fixed at a designated ground position, when a vehicle is rushed to the guardrail plate 2, the primary damping component 3 is used for carrying out primary force unloading and damping on the vehicle, the secondary damping component 4 is used for carrying out secondary force unloading and damping on the vehicle, and noise generated in the road bridge construction process is isolated through the silencing component 5; the invention can effectively absorb and unload the shock of the vehicle, prevent major traffic accidents, effectively noise and noise reduction for the road and bridge construction process, and fully meet the construction requirements of the road and bridge.
Referring to fig. 1, 2,3, 4 and 5, the primary vibration absorbing assembly 3 includes a non-newtonian fluid vibration absorbing wall 31, wherein the top end of the non-newtonian fluid vibration absorbing wall 31 is connected to the transverse portion of the guardrail plate 2 through an upper elastic band 32, and the bottom end of the non-newtonian fluid vibration absorbing wall 31 is connected to the base 1 through a lower elastic band 33; in this embodiment, when the vehicle is rushed to the guardrail plate 2, the non-newton fluid damping wall 31 is used for damping the shock first, and the upper elastic belt 32 and the lower elastic belt 33 are matched for primarily unloading force and damping the shock for the vehicle, so that the shock-absorbing effect is good, and serious traffic accidents are prevented.
Referring to fig. 1,2, 3, 4 and 5, the non-newton fluid damping wall 31 includes a base plate 311, a plurality of honeycomb grooves 312 are disposed on a side of the base plate 311 away from a vertical portion of the guardrail plate 2, the slots of the honeycomb grooves 312 are respectively provided with an elastic air bag piece 313, edges of the elastic air bag piece 313 are in sealing connection with the slots of the honeycomb grooves 312, a sealed fluid cavity 314 is formed between the honeycomb grooves 312 and the elastic air bag piece 313, and the fluid cavity 314 is filled with non-newton fluid; in this embodiment, when the vehicle is bumped against the guardrail plate 2, the vehicle collides with the elastic air bag 313, and the non-newton fluid in the fluid chamber 314 deforms to absorb shock to the vehicle, so that the shock absorbing effect is good.
Referring to fig. 1,2, 3, 4 and 5, the secondary damping assembly 4 includes a mounting plate 41 and a damping plate 42 which are disposed opposite to each other, the mounting plate 41 is fixed at a vertical portion of the guardrail plate 2, the damping plate 42 is disposed opposite to the base plate 311, a plurality of mounting slots 411 are disposed on a side of the mounting plate 41 away from the vertical portion of the guardrail plate 2, a damping slot 421 is disposed on the damping plate 42 opposite to the mounting slot 411, a damping connecting piece 43 is disposed in the mounting slot 411, and two ends of the damping connecting piece 43 are respectively fixed at a bottom of the mounting slot 411 and a bottom of the damping slot 421; in this embodiment, after the primary shock absorbing assembly 3 primarily absorbs shock to the vehicle, the upper elastic belt 32 and the lower elastic belt 33 elastically deform, the vehicle pushes the non-newton fluid shock absorbing wall 31 to strike the shock absorbing plate 42, and secondary shock absorption is performed to the vehicle through the shock absorbing connecting piece 43, so that the shock absorbing effect is good, and serious traffic accidents are prevented.
Referring to fig. 1, 2,3, 4 and 5, the shock absorbing connector 43 includes a cylindrical air chamber 431, a plurality of dampers 432 disposed around the cylindrical air chamber 431, a top plate 433 and a bottom plate 434 are disposed at top and bottom ends of the cylindrical air chamber 431, one end of the dampers 432 is fixed on the bottom plate 434, a piston rod head of the dampers 432 is in driving connection with the top plate 433, the plurality of dampers 432 are disposed at equal angles with an axis center of the cylindrical air chamber 431 as a center, the bottom plate 434 is fixed at a bottom of the mounting groove 411, and the top plate 433 is fixed at a bottom of the shock absorbing groove 421; in this embodiment, when the vehicle pushes the non-newton fluid shock absorbing wall 31 to strike the shock absorbing plate 42, the cylindrical air chamber 431 and the damper 432 are compressed, the shock absorbing plate 42 approaches the mounting plate 41, and the restoring force of the cylindrical air chamber 431 and the damper 432 dampens the vehicle secondarily, so that the shock absorbing effect is good, and the occurrence of a major traffic accident is prevented.
Referring to fig. 1, 2, 3, 4 and 5, the silencing assembly 5 includes an L-shaped outer steel plate 51 fixed at one side of the guardrail plate 2, an L-shaped inner steel plate 52 disposed at the inner side of the L-shaped outer steel plate 51, the L-shaped outer steel plate 51 and the L-shaped inner steel plate 52 are connected by polyester cotton 53, sound absorbing holes 54 are formed in the L-shaped outer steel plate 51 and the L-shaped inner steel plate 52, and honeycomb ceramic sound absorbing particles are filled in the polyester cotton 53; in this embodiment, the sound absorbing effect is improved by the sound absorbing holes 54 formed in the L-shaped outer steel plate 51 and the L-shaped inner steel plate 52, the polyester cotton 53 between the L-shaped outer steel plate 51 and the L-shaped inner steel plate 52, and the honeycomb ceramic sound absorbing particles filled in the polyester cotton 53.
Referring to fig. 1, 2, 3, 4 and 5, the thickness of the L-shaped inner steel plate 52 is 2.0-4.0mm, the thickness of the L-shaped outer steel plate 51 is 0.5-1.0mm, the aperture of the sound absorbing holes 54 is 0.2-0.3mm, and the grain size of the honeycomb ceramic sound absorbing particles is 0.05-1.0mm; in the present embodiment, when the thickness of the L-shaped inner steel plate 52 is 2.0 to 4.0mm and the thickness of the L-shaped outer steel plate 51 is 0.5 to 1.0mm, the sound absorption effects of the L-shaped outer steel plate 51 and the L-shaped inner steel plate 52 are good; when the particle size of the honeycomb ceramic sound-absorbing particles is in the range of 0.05-1.0mm, the sound-absorbing effect of the polyester cotton 53 can be effectively improved.
Referring to fig. 1,2,3,4 and 5, the guardrail plate 2 and the base 1 are integrally formed, and a plurality of mounting holes are formed in the base 1; in this embodiment, through guardrail board 2 and base 1 integrated into one piece, the structure is more firm reliable, can fix base 1 subaerial through the mounting hole.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a road and bridge construction is with buffering anticollision warning guardrail which characterized in that: the novel anti-noise device comprises a base (1) fixed on the ground, a guardrail plate (2) with a T-shaped cross section arranged on the base (1), a primary damping component (3) and a secondary damping component (4) arranged on one side of the guardrail plate (2), and a noise reduction component (5) arranged on the other side of the guardrail plate (2), wherein the vertical part of the guardrail plate (2) is fixed on the base (1);
the primary damping component (3) comprises a non-Newtonian fluid damping wall (31), the top end of the non-Newtonian fluid damping wall (31) is connected with the transverse part of the guardrail plate (2) through an upper elastic belt (32), and the bottom end of the non-Newtonian fluid damping wall (31) is connected with the base (1) through a lower elastic belt (33);
The non-Newtonian fluid shock-absorbing wall (31) comprises a substrate (311), one side of the vertical portion of the guardrail plate (2) is provided with a plurality of honeycomb grooves (312) away from the substrate (311), the notch of the honeycomb grooves (312) is respectively provided with an elastic air bag sheet (313), the edge of the elastic air bag sheet (313) is in sealing connection with the notch of the honeycomb grooves (312), a sealed fluid cavity (314) is formed between the honeycomb grooves (312) and the elastic air bag sheet (313), and non-Newtonian fluid is filled in the fluid cavity (314).
2. The buffer anti-collision warning guardrail for road and bridge construction according to claim 1, wherein: the secondary damping component (4) comprises a mounting plate (41) and a damping plate (42) which are arranged right opposite to each other, the mounting plate (41) is fixed on the vertical portion of the guardrail plate (2), the damping plate (42) is right opposite to the base plate (311), a plurality of mounting grooves (411) are formed in one side, away from the vertical portion of the guardrail plate (2), of the mounting plate (41), damping grooves (421) are formed in the damping plate (42) right opposite to the mounting grooves (411), damping connecting pieces (43) are arranged in the mounting grooves (411), and two ends of the damping connecting pieces (43) are respectively fixed at the bottoms of the mounting grooves (411) and the damping grooves (421).
3. The buffer anti-collision warning guardrail for road and bridge construction according to claim 2, wherein: the shock attenuation connecting piece (43) includes cylindrical gasbag (431), centers on a plurality of attenuator (432) that cylindrical gasbag (431) set up, the top and the bottom of cylindrical gasbag (431) are provided with roof (433) and bottom plate (434) respectively, attenuator (432) one end is fixed on bottom plate (434), the piston rod pole head drive of attenuator (432) is connected roof (433), a plurality of attenuator (432) use the axle center of cylindrical gasbag (431) is the equiangular setting of center, bottom plate (434) are fixed the tank bottom of mounting groove (411), roof (433) are fixed the tank bottom of shock attenuation groove (421).
4. The buffer anti-collision warning guardrail for road and bridge construction according to claim 1, wherein: the silencer assembly (5) comprises an L-shaped outer steel plate (51) fixed on one side of the guardrail plate (2), an L-shaped inner steel plate (52) arranged on the inner side of the L-shaped outer steel plate (51), the L-shaped outer steel plate (51) and the L-shaped inner steel plate (52) are connected through polyester cotton (53), sound absorbing holes (54) are formed in the L-shaped outer steel plate (51) and the L-shaped inner steel plate (52), and honeycomb ceramic sound absorbing particles are filled in the polyester cotton (53).
5. The buffer anti-collision warning guardrail for road and bridge construction according to claim 4, wherein: the thickness of the L-shaped inner steel plate (52) is 2.0-4.0mm, the thickness of the L-shaped outer steel plate (51) is 0.5-1.0mm, the aperture of the sound absorbing holes (54) is 0.2-0.3mm, and the grain size range of the honeycomb ceramic sound absorbing particles is 0.05-1.0mm.
6. The buffer anti-collision warning guardrail for road and bridge construction according to claim 1, wherein: the guardrail plate (2) and the base (1) are integrally formed, and a plurality of mounting holes are formed in the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210708204.5A CN114876282B (en) | 2022-06-21 | 2022-06-21 | Buffer anti-collision warning guardrail for road and bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210708204.5A CN114876282B (en) | 2022-06-21 | 2022-06-21 | Buffer anti-collision warning guardrail for road and bridge construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114876282A CN114876282A (en) | 2022-08-09 |
| CN114876282B true CN114876282B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210708204.5A Active CN114876282B (en) | 2022-06-21 | 2022-06-21 | Buffer anti-collision warning guardrail for road and bridge construction |
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| Country | Link |
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| CN (1) | CN114876282B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011241571A (en) * | 2010-05-17 | 2011-12-01 | Kimio Otake | Guardrail |
| CN202116148U (en) * | 2011-06-27 | 2012-01-18 | 吴江市德菱电梯配套有限公司 | Wallboard for elevator |
| CN207862768U (en) * | 2018-01-24 | 2018-09-14 | 长安大学 | A kind of bridge on highway bilayer anticollision barrier |
| CN112281714A (en) * | 2020-10-21 | 2021-01-29 | 李运筹 | Highway guardrail |
| CN214168879U (en) * | 2020-08-12 | 2021-09-10 | 杨宜娟 | Anti-collision guardrail for highway |
| CN215441622U (en) * | 2021-05-21 | 2022-01-07 | 上海哲匠交通科技有限公司 | Multistage buffering highway guardrail structure |
| CN216664028U (en) * | 2021-12-22 | 2022-06-03 | 江苏进步混凝土预制构件有限公司 | Anti-collision device for safety performance of large bridge |
-
2022
- 2022-06-21 CN CN202210708204.5A patent/CN114876282B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011241571A (en) * | 2010-05-17 | 2011-12-01 | Kimio Otake | Guardrail |
| CN202116148U (en) * | 2011-06-27 | 2012-01-18 | 吴江市德菱电梯配套有限公司 | Wallboard for elevator |
| CN207862768U (en) * | 2018-01-24 | 2018-09-14 | 长安大学 | A kind of bridge on highway bilayer anticollision barrier |
| CN214168879U (en) * | 2020-08-12 | 2021-09-10 | 杨宜娟 | Anti-collision guardrail for highway |
| CN112281714A (en) * | 2020-10-21 | 2021-01-29 | 李运筹 | Highway guardrail |
| CN215441622U (en) * | 2021-05-21 | 2022-01-07 | 上海哲匠交通科技有限公司 | Multistage buffering highway guardrail structure |
| CN216664028U (en) * | 2021-12-22 | 2022-06-03 | 江苏进步混凝土预制构件有限公司 | Anti-collision device for safety performance of large bridge |
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| Publication number | Publication date |
|---|---|
| CN114876282A (en) | 2022-08-09 |
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