CN113356111A - Road guardrail device - Google Patents
Road guardrail device Download PDFInfo
- Publication number
- CN113356111A CN113356111A CN202110807108.1A CN202110807108A CN113356111A CN 113356111 A CN113356111 A CN 113356111A CN 202110807108 A CN202110807108 A CN 202110807108A CN 113356111 A CN113356111 A CN 113356111A
- Authority
- CN
- China
- Prior art keywords
- frame
- fixedly connected
- guardrail
- plate
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a road guardrail device, which comprises upright posts, wherein a top plate is fixedly connected between the upright posts, one side of the top plate is fixedly connected with a guardrail frame, one side of the guardrail frame, which is far away from the top plate, is fixedly connected with a device frame, one side of the device frame, which is far away from the guardrail frame, is fixedly connected with a base, one side of the upright post, which is far away from the top plate, is fixedly connected with a base, an air bag device is arranged in the device frame, an ash removal device is arranged in the air bag device, a buffer device is symmetrically arranged on one side of the base, which is far away from the base, an elastic plate is fixedly connected with one side of the guardrail frame, which is close to the device frame, one side of the elastic plate, which is far away from the guardrail frame, is fixedly connected with the device frame, and an elastic block is fixedly connected with the inner wall of the guardrail frame. This kind of road guardrail device has avoided this guardrail to cause the problem of damage because of strong impact force, has strengthened the device's life.
Description
Technical Field
The invention relates to the technical field of guardrails, in particular to a road guardrail device.
Background
The road guardrail is a traffic management facility arranged in the middle or at two sides, and a road is effectively divided into lanes in multiple directions through the road guardrail, so that the purpose is to standardize the driving order of vehicles on the road and improve the traffic jam problem; meanwhile, the traffic guardrail plays a role in dredging and guiding people flow, is the most important traffic infrastructure, and has a great role in traffic accident defense as traffic accidents frequently happen along with popularization of vehicles.
For example, chinese patent CN107815994B proposes a road safety barrier, which comprises a base, a connecting rod and a vertical rod; the bases are fixedly arranged on an isolation line of a road plan at equal intervals, and the vertical rods are vertically inserted into the bases; the top ends of the vertical rods are fixedly connected through the horizontal connecting rods; each vertical rod is sleeved with a rotary cylinder, and the rotary cylinder can only freely rotate around the axis of the vertical rod; elastic cavities are arranged on the peripheral surface of the rotary cylinder in an equidistant array mode, and fire extinguishing powder is filled in the elastic cavities; a protective cylinder is coaxially sleeved outside the rotary cylinder and fixedly connected with the rotary cylinder; a hollow taper pipe is arranged on the peripheral wall of the protective cylinder, and the taper pipe is in one-to-one opposite matching with each elastic cavity; the tip of the taper pipe is right opposite to the elastic cavity; the guardrail is novel in structure, can effectively stop vehicles, prevents the vehicles from flying out of lanes, can effectively prevent the vehicles from colliding and firing, and reduces collision damage to the maximum extent.
The device can't reduce the guardrail and cause the problem of damage because of strong impact force, and the impact force that produces when can't realizing dispersion buffering vehicle striking has reduced safety protection nature, and the device simple structure, the function singleness can't realize carrying out clear function to the accumulational dust in guardrail surface, has strengthened sanitationman's working strength.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a road guardrail device, which solves the problem that the device cannot reduce the damage of a guardrail caused by strong impact force, prolongs the service life of the device, effectively disperses and buffers the impact force generated when a vehicle collides, improves the safety protection performance, achieves the aim of accelerating the falling of dust accumulated on the surface of a guardrail frame, and lightens the working strength of sanitation workers.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a road guardrail device, includes the stand, fixedly connected with roof between the stand, one side fixedly connected with guardrail frame of roof, one side fixedly connected with device frame of roof is kept away from to the guardrail frame, one side fixedly connected with bottom plate of guardrail frame is kept away from to the device frame, one side fixedly connected with base of roof is kept away from to the stand, the internally mounted of device frame has the air bag device, the internally mounted of air bag device has ash removal device, one side symmetry that the base was kept away from to the bottom plate is installed buffer, the position fixedly connected with elastic plate that the device frame was close to one side of guardrail frame, one side and device frame fixed connection that the guardrail frame was kept away from to the elastic plate, the inner wall fixedly connected with elastic block of guardrail frame.
Preferably, the air bag device includes fixed frame, one side and the device frame fixed connection of fixed frame, the elasticity pole is installed to the inner wall symmetry of fixed frame, the one end fixedly connected with arc of fixed frame is kept away from to the elasticity pole, has improved the device's practicality, the inboard bottom fixedly connected with installing frame of fixed frame, one side fixedly connected with elasticity connecting plate of installing frame, the installing frame is close to one side of elasticity connecting plate and installs the elasticity gasbag, and the impact dispersion that constantly receives the guardrail frame has avoided this guardrail to cause the problem of damage because of strong impact force, has strengthened the device's life.
Preferably, one side of the elastic connecting plate is uniformly provided with an elastic extrusion plate, and one side of the elastic extrusion plate is fixedly connected with an elastic rope.
Preferably, the ash removal device comprises a round ball frame, one side of the round ball frame is fixedly connected with the elastic rope, one side of the round ball frame is fixedly connected with an extrusion block, one side of the extrusion block is fixedly connected with a spring, and one end of the spring, far away from the extrusion block, is fixedly connected with a pendulum ball.
Preferably, the inside sliding connection of pendulum ball has the gravity center piece, the gravity center piece is circular shape iron plate for the power increase of ball frame striking guardrail frame further improves the clean efficiency to guardrail frame surface.
Preferably, buffer includes the buffering frame, the bottom and the bottom plate fixed connection of buffering frame, one side fixedly connected with elasticity arc board of buffering frame, one side fixedly connected with extrusion arc board that buffering frame was kept away from to the elasticity arc board, first magnet piece is evenly installed to one side that the extrusion arc board is close to the buffering frame, one side fixedly connected with limiting plate that the buffering frame is close to the extrusion arc board, one side sliding connection that the buffering frame is close to the limiting plate has the arc bent plate, one side fixedly connected with second magnet piece that the buffering frame was kept away from to the arc bent plate, the impact force that produces when further dispersion buffering vehicle striking improves safety protection nature.
Preferably, one side of the limiting plate is provided with a groove, the inner wall of the groove is connected with a semicircular bottom block in a sliding mode, and the semicircular bottom block is made of rubber.
(III) advantageous effects
The invention provides a road guardrail device. The method has the following beneficial effects:
(one), this kind of road guardrail device, through airbag device's installation, the impact that utilizes the guardrail frame to receive makes elasticity connecting plate touch elasticity gasbag, because elasticity gasbag receives extrusion volume inflation return and pushes away the elasticity connecting plate, constantly with the impact dispersion that the guardrail frame received, avoided this guardrail to cause the problem of damage because of strong impact force, strengthened the device's life.
(two), this road guardrail device, through ash removal device's installation, utilize the spring to drive the pendulum ball and slide in the ball frame, and then make the ball frame constantly strike the guardrail frame, reached the purpose that drops with higher speed the accumulational dust in guardrail frame surface, alleviate sanitationman's working strength.
(III), this road guardrail device, through buffer's installation, utilize the principle that like polarity magnet repetitious each other, promote the arc bent plate and slide along buffering frame, the impact force that produces when further dispersion buffering vehicle striking improves safety protection nature.
(IV), this kind of road guardrail device through the setting of gravity center piece, has aggravated the gravity of pendulum ball for the power increase of ball frame striking guardrail frame further improves the clean efficiency to guardrail frame surface.
(V), this road guardrail device through the installation of arc and elasticity pole for the position relatively fixed when the elasticity connecting plate is rocked by the extrusion production, alleviates elasticity connecting plate and fixed frame direct touch striking, has improved the device's practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a structural cross-sectional view of the guardrail frame of the present invention;
FIG. 3 is a structural cross-sectional view of the spring plate of the present invention;
FIG. 4 is a schematic view of the construction of the airbag device of the present invention;
FIG. 5 is an enlarged view of the structure A of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of a buffer device according to the present invention;
FIG. 7 is a schematic view of the structure of the semi-circular bottom block of the present invention.
In the figure: 1 column, 2 top plates, 3 guardrail frames, 4 device frames, 5 bottom plates, 6 bases, 7 air bag devices, 71 fixing frames, 72 elastic rods, 73 arc plates, 74 mounting frames, 75 elastic connecting plates, 76 elastic air bags, 77 elastic extrusion plates, 78 elastic ropes, 8 ash removal devices, 81 ball frames, 82 extrusion blocks, 85 springs, 86 pendulum balls, 9 buffer devices, 91 buffer frames, 92 elastic arc plates, 93 extrusion arc plates, 94 first magnet blocks, 95 limiting plates, 96 arc bending plates, 97 second magnet blocks, 10 elastic plates, 11 elastic blocks, 12 gravity center blocks, 15 grooves and 16 semicircular bottom blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a road guardrail device, includes stand 1, fixedly connected with roof 2 between the stand 1, one side fixedly connected with guardrail frame 3 of roof 2, one side fixedly connected with device frame 4 of roof 2 is kept away from to guardrail frame 3, one side fixedly connected with bottom plate 5 of guardrail frame 3 is kept away from to device frame 4, one side fixedly connected with base 6 of roof 2 is kept away from to stand 1, the internally mounted of device frame 4 has air bag device 7.
The airbag device 7 comprises a fixed frame 71, one side of the fixed frame 71 is fixedly connected with the device frame 4, elastic rods 72 are symmetrically installed on the inner wall of the fixed frame 71, the elastic rods 72 are far away from one end fixedly connected with arc plates 73 of the fixed frame 71, an installation frame 74 is fixedly connected to the bottom of the inner side of the fixed frame 71, an elastic connecting plate 75 is fixedly connected to one side of the installation frame 74, and an elastic airbag 76 is installed on one side, close to the elastic connecting plate 75, of the installation frame 74.
One side of the elastic connecting plate 75 is uniformly provided with an elastic extrusion plate 77, and one side of the elastic extrusion plate 77 is fixedly connected with an elastic rope 78.
During the use, bump into guardrail frame 3 when the traffic accident appears in the car traveling on the road surface, guardrail frame 3 is pushed down elasticity connecting plate 75 and extrudees elasticity gasbag 76 by the extrusion, elasticity gasbag 76 is extruded the increase of the volume of expanding rapidly and is promoted elasticity connecting plate 75 and kick-backs, elasticity pole 72 extrusion arc 73 hugs closely elasticity connecting plate 75 this moment, installation through the gasbag device, utilize the impact that the guardrail frame received to make elasticity connecting plate touch elasticity gasbag, because elasticity gasbag receives the volume of extruding inflation and pushes back elasticity connecting plate, constantly with the impact dispersion that the guardrail frame received, the problem that this guardrail caused the damage because of strong impact has been avoided, the life of the device has been strengthened.
Example two
Referring to fig. 1-5, the present invention provides a technical solution: on the basis of the first embodiment, the dust removing device 8 is installed inside the airbag device 7, the dust removing device 8 includes a round ball frame 81, one side of the round ball frame 81 is fixedly connected with the elastic rope 78, one side of the round ball frame 81 is fixedly connected with an extrusion block 82, one side of the extrusion block 82 is fixedly connected with a spring 85, and one end of the spring 85 far away from the extrusion block 82 is fixedly connected with a pendulum ball 86.
The gravity center block 12 is connected to the inner portion of the pendulum ball 86 in a sliding manner, and the gravity center block 12 is a circular iron block.
When the dust removing device is used, the elastic connecting plate 75 is shaken by the extrusion of the elastic air bag 76, the elastic extrusion plate 77 is shaken to pull the elastic rope 78, the round ball frame 81 is driven to knock the guardrail frame 3, the extrusion block 82 throws the spring 85 to drive the pendulum ball 86 to slide in the round ball frame 81 at the moment, the gravity center block 12 is extruded to knock the pendulum ball 86, the spring is used for driving the pendulum ball to slide in the round ball frame through the installation of the dust removing device, the guardrail frame is further made to be continuously knocked by the round ball frame, the purpose of accelerating the falling of dust accumulated on the surface of the guardrail frame is achieved, and the working strength of sanitation workers is reduced.
EXAMPLE III
Referring to fig. 1-7, the present invention provides a technical solution: on the basis of the second embodiment, the buffering devices 9 are symmetrically installed on one side, away from the base 6, of the bottom plate 5, the elastic plate 10 is fixedly connected to the position, close to the device frame 4, of one side of the guardrail frame 3, the elastic plate 10 is fixedly connected to the device frame 4 on the side, away from the guardrail frame 3, of the elastic plate, and the elastic block 11 is fixedly connected to the inner wall of the guardrail frame 3.
One side of limiting plate 95 is seted up recess 15, and the inner wall sliding connection of recess 15 has semicircle bottom piece 16, and semicircle bottom piece 16 is the rubber material.
During the use, buffering frame 91 receives the vehicle striking, extrusion arc 93 is extruded and is compressed elasticity arc 92, make first magnet piece 94 press close to second magnet piece 97, because repulsive magnetic force promotes arc bent plate 96 and slides along buffering frame 91, when arc bent plate 96 touches limiting plate 95, extrude semicircle bottom block 16 of limiting plate 95 one side, make semicircle bottom block 16 slide along recess 15, installation through buffer, utilize the principle that like polarity magnet repels each other, promote the arc bent plate and slide along buffering frame, the impact force that produces when further dispersion buffering vehicle striking, safety protection nature is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising" is used to specify the presence of stated features, integers, steps, operations, elements, components, and/or groups thereof, but does not exclude the presence of other similar features, integers, steps, operations, components, or groups thereof.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A road guardrail device, includes stand (1), its characterized in that: the guardrail structure is characterized in that a top plate (2) is fixedly connected between stand columns (1), one side of the top plate (2) is fixedly connected with a guardrail frame (3), one side of the guardrail frame (3) far away from the top plate (2) is fixedly connected with a device frame (4), one side of the device frame (4) far away from the guardrail frame (3) is fixedly connected with a bottom plate (5), one side of the stand column (1) far away from the top plate (2) is fixedly connected with a base (6), an air bag device (7) is installed in the device frame (4), an ash cleaning device (8) is installed in the air bag device (7), a buffer device (9) is symmetrically installed on one side of the bottom plate (5) far away from the base (6), an elastic plate (10) is fixedly connected with one side of the guardrail frame (3) near the position of the device frame (4), and the elastic plate (10) is fixedly connected with the device frame (4), the inner wall of the guardrail frame (3) is fixedly connected with an elastic block (11).
2. A road barrier device according to claim 1, wherein: the utility model discloses an air bag device, including air bag device (7), one side and device frame (4) fixed connection of fixed frame (71), elastic rod (72) are installed to the inner wall symmetry of fixed frame (71), the one end fixedly connected with arc (73) of fixed frame (71) are kept away from in elastic rod (72), the inboard bottom fixedly connected with installing frame (74) of fixed frame (71), one side fixed connection of installing frame (74) has elasticity connecting plate (75), one side installation elasticity gasbag (76) that installing frame (74) are close to elasticity connecting plate (75).
3. A road barrier device according to claim 2, wherein: elastic extrusion plate (77) are evenly installed on one side of elastic connecting plate (75), and elastic rope (78) is fixedly connected to one side of elastic extrusion plate (77).
4. A road barrier device according to claim 3, wherein: ash removal device (8) are including ball frame (81), one side and stretch cord (78) fixed connection of ball frame (81), one side fixedly connected with extrusion piece (82) of ball frame (81), one side fixedly connected with spring (85) of extrusion piece (82), one end fixedly connected with pendulum ball (86) of extrusion piece (82) are kept away from in spring (85).
5. A road barrier device according to claim 4, wherein: the inner part of the pendulum ball (86) is connected with a gravity center block (12) in a sliding manner, and the gravity center block (12) is a round iron block.
6. A road barrier device according to claim 1, wherein: buffer (9) are including buffering frame (91), the bottom and bottom plate (5) fixed connection of buffering frame (91), one side fixed connection of buffering frame (91) has elastic arc board (92), one side fixedly connected with extrusion arc board (93) of buffering frame (91) are kept away from in elastic arc board (92), first magnet piece (94) are evenly installed to one side that extrusion arc board (93) are close to buffering frame (91), one side fixedly connected with limiting plate (95) that buffering frame (91) are close to extrusion arc board (93), one side sliding connection that buffering frame (91) are close to limiting plate (95) has arc bent plate (96), one side fixedly connected with second magnet piece (97) of buffering frame (91) are kept away from in arc bent plate (96).
7. A road barrier device according to claim 6, wherein: one side of limiting plate (95) is seted up recess (15), the inner wall sliding connection of recess (15) has semicircle bottom block (16), semicircle bottom block (16) are the rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110807108.1A CN113356111A (en) | 2021-07-16 | 2021-07-16 | Road guardrail device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110807108.1A CN113356111A (en) | 2021-07-16 | 2021-07-16 | Road guardrail device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113356111A true CN113356111A (en) | 2021-09-07 |
Family
ID=77539695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110807108.1A Pending CN113356111A (en) | 2021-07-16 | 2021-07-16 | Road guardrail device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113356111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234082A (en) * | 2022-09-26 | 2022-10-25 | 中铁十九局集团第三工程有限公司 | Protection fence with pull-back function for bridge construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4268186A (en) * | 1978-10-20 | 1981-05-19 | Bridgestone Tire Company Limited | Road guard belt |
| CN106049316A (en) * | 2016-07-31 | 2016-10-26 | 苏州高精特专信息科技有限公司 | Safety post with buffer function at railway turning |
| CN109653089A (en) * | 2018-12-28 | 2019-04-19 | 贵州大学 | A kind of guard bar structure |
| CN111676869A (en) * | 2020-06-24 | 2020-09-18 | 朱小丽 | Public road bridge roof beam guardrail shock attenuation protection device |
| CN112726462A (en) * | 2021-01-15 | 2021-04-30 | 瞿灵学 | Highway safety barrier |
-
2021
- 2021-07-16 CN CN202110807108.1A patent/CN113356111A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4268186A (en) * | 1978-10-20 | 1981-05-19 | Bridgestone Tire Company Limited | Road guard belt |
| CN106049316A (en) * | 2016-07-31 | 2016-10-26 | 苏州高精特专信息科技有限公司 | Safety post with buffer function at railway turning |
| CN109653089A (en) * | 2018-12-28 | 2019-04-19 | 贵州大学 | A kind of guard bar structure |
| CN111676869A (en) * | 2020-06-24 | 2020-09-18 | 朱小丽 | Public road bridge roof beam guardrail shock attenuation protection device |
| CN112726462A (en) * | 2021-01-15 | 2021-04-30 | 瞿灵学 | Highway safety barrier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234082A (en) * | 2022-09-26 | 2022-10-25 | 中铁十九局集团第三工程有限公司 | Protection fence with pull-back function for bridge construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109024381B (en) | Energy-absorbing type highway safety anticollision barrier | |
| CN207210957U (en) | A kind of Bridge guardrail | |
| CN101555683A (en) | Efficient low-cost flexible energy dissipation type pier anti-collision safety device | |
| CN113356111A (en) | Road guardrail device | |
| CN210887039U (en) | Anti-collision buffer guardrail for road | |
| CN207331541U (en) | A kind of strong guardrail of anti-impact force | |
| CN209099246U (en) | A kind of highway cushion guardail | |
| CN217001198U (en) | Safety protection structure for electric power tower | |
| CN215888031U (en) | Traffic road safety isolation guardrail | |
| CN214328664U (en) | Anti-collision device for road traffic engineering | |
| CN113652955B (en) | Bridge anti-seismic support | |
| CN212054085U (en) | Traffic indication guardrail for large community | |
| CN209412760U (en) | A kind of traffic lights lamp stand with buffering crashworthiness function | |
| CN210439194U (en) | Oscillation type inclined roller road guardrail | |
| CN209066342U (en) | A kind of highway barrier with pooling feature | |
| CN212896066U (en) | Anti-collision buffer device | |
| CN210597126U (en) | Municipal rail guard that anticollision nature is strong | |
| CN208779307U (en) | One kind is anti-to knock street lamp down | |
| CN221052471U (en) | Anti-collision device for highway electromechanical engineering | |
| CN217810670U (en) | Adjustable height-limiting frame for road | |
| CN112459367A (en) | Rain-sheltering type auxiliary equipment for automatically cleaning accumulated snow and preventing collapse for advertisement media platform | |
| CN116695611B (en) | Barrier gate lifting rod alarm device | |
| CN215564992U (en) | A buffering rail guard for highway construction | |
| CN220847279U (en) | Anti-collision guardrail capable of being conveniently disassembled and assembled | |
| CN218621998U (en) | Emergent buffer stop of highway engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210907 |
|
| RJ01 | Rejection of invention patent application after publication |