CN112196354A - Safety guardrail for river protection - Google Patents
Safety guardrail for river protection Download PDFInfo
- Publication number
- CN112196354A CN112196354A CN202011005804.2A CN202011005804A CN112196354A CN 112196354 A CN112196354 A CN 112196354A CN 202011005804 A CN202011005804 A CN 202011005804A CN 112196354 A CN112196354 A CN 112196354A
- Authority
- CN
- China
- Prior art keywords
- magnetic steel
- steel strip
- fixedly connected
- rubber sleeve
- connecting shaft
- 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
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of public facilities and discloses a safety guardrail for river protection, which comprises a fixed seat, wherein two sides of the top of the fixed seat are fixedly connected with a bottom rail, a bottom magnetic steel strip is movably arranged in the bottom rail, the bottom magnetic steel strip penetrates through the fixed seat and is fixedly connected with the inner wall of the fixed seat through a screw, a supporting upright post is fixedly arranged at the top of the fixed seat, a connecting seat is fixedly arranged at the top of the supporting upright post, two sides of the connecting seat are fixedly connected with a top rail, and a top magnetic steel strip is movably arranged in the top rail. Through the arrangement of the bottom magnetic steel strip and the top magnetic steel strip, after the vehicle breaks the bottom rail, the vehicle is pasted on the vehicle body and connected with the vehicle body, the vehicle is limited and positioned, the vehicle is prevented from continuing to go deep into a river, meanwhile, the vehicle is accurately positioned, the search time is shortened for rescue workers, and the rescue speed is accelerated.
Description
Technical Field
The invention relates to the technical field of public facilities, in particular to a safety guardrail for river protection.
Background
The guardrail is mainly used for protecting and protecting personal safety and equipment facilities in occasions such as houses, roads, commercial districts, public places and the like, meanwhile, some roads can pass through cliffs, rivers and bridges, in order to guarantee the driving safety of vehicles, the guardrails are often additionally arranged on two sides of the roads for protection, the vehicles are prevented from slipping tires in the driving process, avoiding pedestrians or other accidents from rushing out of the roads, and causing larger injuries, but the currently used guardrail still has some defects as follows:
because guardrail and road bed snap-on, the intensity that depends on the intensity of road bed and guardrail itself, when receiving the slight striking of vehicle, can block the vehicle, but both belong to and bump hard, both have the damage, the impact is big more, the damage is big more, but this is all within can bearing the scope, when the guardrail receives violent striking, the vehicle knocks the guardrail off, and pull up the guardrail from the road bed, and the vehicle dashes out the guardrail, fall into the aquatic, cause great loss, the degree of difficulty of rescue has been increased simultaneously, and vehicle personnel's the degree of difficulty of saving oneself.
Disclosure of Invention
The invention provides a safety guardrail for river protection, which has the advantages of good protection performance and excellent performance and solves the problems in the background art.
The invention provides the following technical scheme: the utility model provides a guardrail for river protection, includes the fixing base, the equal fixedly connected with bottom horizontal bar in fixing base top both sides, the inside movable mounting of bottom horizontal bar has bottom magnetic steel band, bottom magnetic steel band passes the fixing base and passes through the inner wall fixed connection of screw and fixing base, the top fixed mounting of fixing base has the support post, the top fixed mounting of support post has the connecting seat, the equal fixedly connected with top horizontal bar in both sides of connecting seat, the inside movable mounting of top horizontal bar has top magnetic steel band, top magnetic steel band passes from the inner chamber of fixing base, top magnetic steel band and fixing base swing joint, the top movable mounting of bottom horizontal bar has vibration damper, vibration damper's top and the bottom surface swing joint of connecting seat.
Preferably, the supporting column comprises a connecting shaft, the top end of the connecting shaft is fixedly connected with the connecting seat, the bottom end of the connecting shaft is fixedly connected with the fixing seat, a first rubber sleeve is fixedly sleeved on the connecting shaft, a through hole is formed in the connecting shaft, a blocking plate is fixedly sleeved on the connecting shaft and positioned in the middle of the through hole, the blocking plate is fixedly connected with the inner wall of the first rubber sleeve, a steel rope is movably sleeved at the top of the connecting shaft, a pull block is fixedly connected to the bottom end of the steel rope, the upper surface of the pull block is fixedly connected with the bottom surface of the blocking plate, the bottom of the steel rope is fixedly connected with the blocking plate, the top end of the steel rope is fixedly connected with the bottom surface of a top magnetic steel belt, a sealing plug is fixedly sleeved on the steel rope and positioned in the connecting shaft, and an aluminum chloride solution is filled between, and a sodium bicarbonate solution is filled between the connecting shaft and the rubber sleeve I and on the lower surface of the barrier plate.
Preferably, vibration damper includes the center pin, the center pin respectively with bottom crosspiece and connecting seat swing joint, fixed cover has connect rubber sleeve two on the center pin, its and the even fixed cover in the inside that is located rubber sleeve two on the center pin has connect the division board, the inner wall fixed connection of division board and rubber sleeve two, the division board divide into eight cavities, adjacent two with the inside of rubber sleeve two it has aluminium chloride solution and sodium bicarbonate solution to fill respectively in the cavity.
Preferably, the isolation plate and the blocking plate are both made of fragile polystyrene plastics and do not react with an aluminum chloride solution and a sodium bicarbonate solution, and the rubber sleeve II and the rubber sleeve I both have corrosion resistance and wear resistance.
Preferably, the bottom magnetic steel strip and the top magnetic steel strip have the same specification, the bottom rail and the top rail have the same specification, and the bottom magnetic steel strip and the top magnetic steel strip are respectively placed in the bottom rail and the top rail in a bent folding mode.
Preferably, the reaction equation of the aluminum chloride solution and the sodium bicarbonate solution is Alcl3+3NaHCO3＝3Nacl+Al(OH)3+3CO2。
The invention has the following beneficial effects:
1. through the arrangement of the bottom magnetic steel belt and the top magnetic steel belt, after the vehicle breaks the bottom rail, the vehicle is pasted on the vehicle body and connected with the vehicle body, the vehicle is limited and positioned, the vehicle is prevented from continuing to go deep into a river, meanwhile, the vehicle is accurately positioned, the search time is reduced for rescue workers, the rescue speed is accelerated, meanwhile, through the arrangement of the supporting upright posts, after the top magnetic steel belt is tensioned, a large amount of gas is generated, the rubber sleeve is expanded, once the top magnetic steel belt is tensioned, the vehicle is not enough to be bound, the vehicle continues to be pulled, the fixing base is pulled up from the roadbed and falls into the river, at the moment, the rubber sleeve is expanded, the buoyancy is increased, the time of the vehicle sinking into the water is reduced, the escape time of the vehicle-mounted personnel is prolonged, and an escape route is established together with the top magnetic steel belt, so that the top magnetic steel, meanwhile, the rescuers can quickly determine the target, the rescue time is shortened, and the survival rate of the people in the vehicle is improved.
2. Through vibration damper's setting, when making the vehicle slightly strike on vibration damper, hit the division board garrulous, make aluminium chloride solution and sodium bicarbonate solution mix and take place the reaction, produce gas, make two quick expansions of rubber sleeve, support to filling the vehicle, prevent vehicle and guardrail further striking, slow down the vehicle, reduce instantaneous impact force, improve the security to on-vehicle personnel, and reduce the damage rate of vehicle, reduce economic loss, hit in violent the collision simultaneously, the vehicle is washed into aquatic, because the connection of top magnetic steel strip, two near vibration damper with the fracture department must receive striking and inflation, can provide effectual buoyancy this moment, further reduce the sinking rate of vehicle.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a top partial schematic view of the structure of the present invention;
FIG. 3 is a partial schematic view of a structural support column of the present invention;
FIG. 4 is a schematic view of a structural barrier plate of the present invention;
FIG. 5 is an enlarged view of the point A in FIG. 1;
FIG. 6 is an enlarged view of the point B in FIG. 1.
In the figure: 1. a fixed seat; 2. a bottom rail; 3. a bottom magnetic steel strip; 4. supporting the upright post; 41. a connecting shaft; 42. a first rubber sleeve; 43. a barrier plate; 44. a steel cord; 45. pulling the block; 5. a connecting seat; 6. a top rail; 7. a top magnetic steel strip; 8. a vibration damping device; 81. a central shaft; 82. a second rubber sleeve; 83. a separator plate; 9. an aluminum chloride solution; 10. sodium bicarbonate solution.
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.
Please refer to fig. 1-6, a safety barrier for river protection, comprising a fixing base 1, a bottom rail 2 is fixedly connected to both sides of the top of the fixing base 1, a bottom magnetic steel strip 3 is movably mounted inside the bottom rail 2, the bottom magnetic steel strip 3 passes through the fixing base 1 and is fixedly connected to the inner wall of the fixing base 1 through a screw, a supporting upright post 4 is fixedly mounted at the top of the fixing base 1, a connecting base 5 is fixedly mounted at the top of the supporting upright post 4, a top rail 6 is fixedly connected to both sides of the connecting base 5, a top magnetic steel strip 7 is movably mounted inside the top rail 6, the top magnetic steel strip 7 passes through the inner cavity of the fixing base 1, the top magnetic steel strip 7 is movably connected to the fixing base 1, a vibration damper 8 is movably mounted at the top of the bottom rail 2, and the top of the vibration damper.
Wherein, the supporting column 4 comprises a connecting shaft 41, the top end of the connecting shaft 41 is fixedly connected with the connecting seat 5, the bottom end of the connecting shaft 41 is fixedly connected with the fixed seat 1, a rubber sleeve 42 is fixedly sleeved on the connecting shaft 41, a through hole is arranged on the connecting shaft 41, a baffle plate 43 is fixedly sleeved on the connecting shaft 41 and positioned in the middle of the through hole, the baffle plate 43 is fixedly connected with the inner wall of the rubber sleeve 42, a steel rope 44 is movably sleeved on the top of the connecting shaft 41, a pull block 45 is fixedly connected with the bottom end of the steel rope 44, the upper surface of the pull block 45 is fixedly connected with the bottom surface of the baffle plate 43, the bottom of the steel rope 44 is fixedly connected with the baffle plate 43, the top end of the steel rope 44 is fixedly connected with the bottom surface of the top magnetic steel belt 7, a sealing plug is fixedly sleeved on the steel rope 44 and positioned in the connecting shaft 41, the sodium bicarbonate solution 10 is filled between the connecting shaft 41 and the rubber sleeve I42 and on the lower surface of the barrier plate 43, when a vehicle breaks the top rail 6 and flies into a river, the vehicle contacts the top magnetic steel strip 7, the top magnetic steel strip 7 is adhered to the vehicle body and is tensioned, so that the top magnetic steel strip 7 pulls the steel rope 44 to ascend, the pulling block 45 is driven to ascend to contact with the connecting shaft 41 and break through the barrier plate 43, the aluminum chloride solution 9 is mixed with the sodium bicarbonate solution 10 to generate a large amount of gas, the rubber sleeve I42 expands, once the top magnetic steel strip 7 is tensioned, the vehicle is not bound enough to continue to be pulled, the fixing seat 1 is pulled out of the roadbed and falls into the river together, the rubber sleeve I42 expands at the moment, the buoyancy is increased, the time of sinking of the vehicle into the water is slowed down, and the escape time of vehicle-mounted personnel is prolonged, and an escape route is established together with the top magnetic steel belt 7, so that drowning people climb onto the rubber sleeve I42 along the top magnetic steel belt 7, and meanwhile, rescuers can quickly determine targets, rescue time is shortened, and the survival rate of people in the vehicle is improved.
Wherein, the damping device 8 comprises a central shaft 81, the central shaft 81 is respectively movably connected with the bottom rail 2 and the connecting seat 5, a second rubber sleeve 82 is fixedly sleeved on the central shaft 81, a partition plate 83 is uniformly and fixedly sleeved on the central shaft 81 and positioned in the second rubber sleeve 82, the partition plate 83 is fixedly connected with the inner wall of the second rubber sleeve 82, the partition plate 83 divides the inside of the second rubber sleeve 82 into eight cavities, the two adjacent cavities are respectively filled with an aluminum chloride solution 9 and a sodium bicarbonate solution 10, when a vehicle slightly impacts the damping device 8, the partition plate 83 is crushed, the aluminum chloride solution 9 and the sodium bicarbonate solution 10 are mixed and react to generate gas, the second rubber sleeve 82 is rapidly expanded, the vehicle is supported and inflated, the vehicle is prevented from further impacting a guardrail, the vehicle is decelerated, instantaneous impact force is reduced, and safety of vehicle-mounted personnel is improved, and the damage rate of the vehicle is reduced, and the economic loss is reduced.
The isolation plate 83 and the isolation plate 43 are made of fragile polystyrene plastics and do not react with the aluminum chloride solution 9 and the sodium bicarbonate solution 10, and the rubber sleeve two 82 and the rubber sleeve one 42 both have corrosion resistance and wear resistance.
Wherein, bottom magnetic steel strip 3 is the same with top magnetic steel strip 7's specification, bottom rail 2 is the same with top rail 6's specification, bottom magnetic steel strip 3 and top magnetic steel strip 7 are the bending folding form respectively in bottom rail 2 and top rail 6's inside and place, make the length that lies in bottom magnetic steel strip 3 between fixing base 1 be greater than bottom rail 2's length, can provide certain buffering after bottom rail 2 is collided up to the vehicle, make bottom magnetic steel strip 3 fully paste on the automobile body, be connected with it.
Wherein the reaction equation of the aluminum chloride solution 9 and the sodium bicarbonate solution 10 is Alcl3+3NaHCO3＝3Nacl+Al(OH)3+3CO2。
The working principle is that the impact between the vehicle and the guardrail is divided into two grades of mild impact and severe impact, the mild impact is not enough to break the bottom rail 2 and the top rail 6, and the severe impact can break the bottom rail 2 and the top rail 6;
at light impact: when a vehicle impacts the vibration damper 8, the isolation plate 83 is crushed, so that the aluminum chloride solution 9 and the sodium bicarbonate solution 10 are mixed and react to generate gas, the rubber sleeve II 82 is rapidly expanded to support and charge the vehicle, the vehicle is prevented from further impacting with a guardrail, the vehicle is decelerated, and instantaneous impact force is reduced;
at the time of violent impact: after the vehicle breaks the top rail 6, the vehicle contacts the top magnetic steel strip 7, the top magnetic steel strip 7 is pasted on the vehicle body, the top magnetic steel strip 7 is tensioned, and then flies into a river, at the moment, the top magnetic steel strip 7 pulls the steel rope 44 to rise, the pulling block 45 is driven to rise to contact with the connecting shaft 41, the connecting shaft 41 is pulled, the pulling block 45 breaks through the barrier plate 43, the aluminum chloride solution 9 is mixed with the sodium bicarbonate solution 10 to generate a large amount of gas, the rubber sleeve I42 expands, once the top magnetic steel strip 7 is tensioned, the vehicle is not bound enough, the vehicle continues to be pulled, the fixing seat 1 is pulled out from the roadbed through the connecting shaft 41 and falls into the river together, at the moment, the rubber sleeve I42 expands to increase buoyancy, the time of sinking of the vehicle into the water is reduced, the escape time of vehicle-mounted personnel is increased, and an escape route is established together with the top magnetic steel, the drowning person climbs to the rubber sleeve I42 along the top magnetic steel belt 7, and meanwhile, the rescue person can quickly determine the target, and the rescue time is shortened.
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.
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 (6)
1. The utility model provides a guardrail for river protection, includes fixing base (1), its characterized in that: the steel wire rope fixing device is characterized in that bottom rails (2) are fixedly connected to two sides of the top of the fixing base (1), a bottom magnetic steel strip (3) is movably mounted inside the bottom rails (2), the bottom magnetic steel strip (3) penetrates through the fixing base (1) and is fixedly connected with the inner wall of the fixing base (1) through screws, a supporting stand column (4) is fixedly mounted at the top of the fixing base (1), a connecting base (5) is fixedly mounted at the top of the supporting stand column (4), top rails (6) are fixedly connected to two sides of the connecting base (5), a top magnetic steel strip (7) is movably mounted inside the top rails (6), the top magnetic steel strip (7) penetrates through the inner cavity of the fixing base (1), the top magnetic steel strip (7) is movably connected with the fixing base (1), and a vibration damping device (8) is movably mounted at the top of the bottom rails (2), the top end of the vibration damper (8) is movably connected with the bottom surface of the connecting seat (5).
2. A safety barrier for a river protection according to claim 1, wherein: the support post (4) comprises a connecting shaft (41), the top end of the connecting shaft (41) is fixedly connected with the connecting seat (5), the bottom end of the connecting shaft (41) is fixedly connected with the fixing seat (1), a rubber sleeve I (42) is fixedly sleeved on the connecting shaft (41), a through hole is formed in the connecting shaft (41), a baffle plate (43) is fixedly sleeved on the middle part of the through hole on the connecting shaft (41), the baffle plate (43) is fixedly connected with the inner wall of the rubber sleeve I (42), a steel rope (44) is movably sleeved on the top part of the connecting shaft (41), a pull block (45) is fixedly connected with the bottom of the steel rope (44), the upper surface of the pull block (45) is fixedly connected with the bottom of the baffle plate (43), the bottom of the steel rope (44) is fixedly connected with the baffle plate (43), the top end of the steel rope (44) is fixedly connected with the bottom of the top magnetic steel belt (7), the steel rope (44) is fixedly sleeved with a sealing plug inside the connecting shaft (41), an aluminum chloride solution (9) is filled between the connecting shaft (41) and the rubber sleeve I (42) and on the upper surface of the blocking plate (43), and a sodium bicarbonate solution (10) is filled between the connecting shaft (41) and the rubber sleeve I (42) and on the lower surface of the blocking plate (43).
3. A safety barrier for a river protection according to claim 1, wherein: damping device (8) include center pin (81), center pin (81) respectively with bottom horizontal bar (2) and connecting seat (5) swing joint, fixed cover has connect rubber sleeve two (82) on center pin (81), its and the even fixed cover in inside that is located rubber sleeve two (82) has connect division board (83) on center pin (81), division board (83) and the inner wall fixed connection of rubber sleeve two (82), division board (83) are divided into eight cavities with the inside of rubber sleeve two (82), adjacent two it has aluminium chloride solution (9) and sodium bicarbonate solution (10) to fill respectively in the cavity.
4. A safety barrier for a river protection according to claim 3, wherein: the isolation plate (83) and the blocking plate (43) are both made of fragile polystyrene plastics and do not react with an aluminum chloride solution (9) and a sodium bicarbonate solution (10), and the rubber sleeve II (82) and the rubber sleeve I (42) both have corrosion resistance and wear resistance.
5. A safety barrier for a river protection according to claim 1, wherein: the bottom magnetic steel strip (3) and the top magnetic steel strip (7) are identical in specification, the bottom rail (2) and the top rail (6) are identical in specification, and the bottom magnetic steel strip (3) and the top magnetic steel strip (7) are respectively placed in the bottom rail (2) and the top rail (6) in a bent and folded mode.
6. A safety barrier for a river protection according to claim 2, wherein: the reaction equation of the aluminum chloride solution (9) and the sodium bicarbonate solution (10) is Alcl3+3NaHCO3＝3Nacl+Al(OH)3+3CO2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011005804.2A CN112196354A (en) | 2020-09-23 | 2020-09-23 | Safety guardrail for river protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011005804.2A CN112196354A (en) | 2020-09-23 | 2020-09-23 | Safety guardrail for river protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196354A true CN112196354A (en) | 2021-01-08 |
Family
ID=74016021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011005804.2A Pending CN112196354A (en) | 2020-09-23 | 2020-09-23 | Safety guardrail for river protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112196354A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060014546A (en) * | 2004-08-11 | 2006-02-16 | 광주과학기술원 | Apparatus for magnetic type damping collision force of high speed vehicle |
| KR20170115262A (en) * | 2016-04-07 | 2017-10-17 | 한울로드 주식회사 | A Car Defense having Buffer Means and Constructing Method |
| CN107859257A (en) * | 2017-11-21 | 2018-03-30 | 江苏师范大学 | A kind of lifesaving guardrail |
| CN108589575A (en) * | 2018-05-31 | 2018-09-28 | 重庆如虹文化传播有限责任公司 | A kind of road railing |
| CN111335224A (en) * | 2020-04-07 | 2020-06-26 | 肖勇强 | Magnetic attraction type safety guardrail |
-
2020
- 2020-09-23 CN CN202011005804.2A patent/CN112196354A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060014546A (en) * | 2004-08-11 | 2006-02-16 | 광주과학기술원 | Apparatus for magnetic type damping collision force of high speed vehicle |
| KR20170115262A (en) * | 2016-04-07 | 2017-10-17 | 한울로드 주식회사 | A Car Defense having Buffer Means and Constructing Method |
| CN107859257A (en) * | 2017-11-21 | 2018-03-30 | 江苏师范大学 | A kind of lifesaving guardrail |
| CN108589575A (en) * | 2018-05-31 | 2018-09-28 | 重庆如虹文化传播有限责任公司 | A kind of road railing |
| CN111335224A (en) * | 2020-04-07 | 2020-06-26 | 肖勇强 | Magnetic attraction type safety guardrail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210163829U (en) | Guardrail convenient to equipment and dismantlement | |
| CN111395161A (en) | Protective bridge elastic guardrail structure and installation method | |
| CN207998812U (en) | A kind of urban transportation energy-absorbing guardrail for road | |
| CN108396686A (en) | A kind of highway barrier of enhancing safety | |
| CN209836869U (en) | Road protection device for expressway | |
| CN110565552B (en) | Bridge construction is with warning reminding device | |
| CN112196354A (en) | Safety guardrail for river protection | |
| CN107190673B (en) | Highway protector | |
| CN208415097U (en) | A kind of cushioning guard fence of road and bridge | |
| CN214783508U (en) | Municipal works road rail guard with buffering shock-absorbing function for architectural design | |
| CN214993314U (en) | Road safety intelligence buffer stop | |
| CN216156431U (en) | Protective pile for dangerous area on road side | |
| CN214882944U (en) | Novel road and bridge protection device | |
| CN108385564A (en) | A kind of safety type combined type guardrail | |
| CN209194333U (en) | A kind of bridge cylinder pier safety guide rail | |
| CN209760084U (en) | Two-stage height limiting protection system for tunnel entrance | |
| CN209323434U (en) | A kind of traffic safety guardrail | |
| CN113047201A (en) | Road guardrail convenient to assemble for intelligent transportation and assembling method thereof | |
| CN219011056U (en) | Upright post sleeving structure for expressway guardrail | |
| CN207362751U (en) | A kind of flexible safety protective guard for highway | |
| CN212983708U (en) | Bridge guardrail | |
| CN212270781U (en) | Novel buffering guardrail | |
| CN216467270U (en) | Bus glass window of fleing with automatic shredding function | |
| CN205348061U (en) | Road guardrail | |
| CN209907199U (en) | Bridge deck connecting structure |
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: 20210108 |
|
| RJ01 | Rejection of invention patent application after publication |