CN114319193A - Anti-collision device for highway construction - Google Patents
Anti-collision device for highway construction Download PDFInfo
- Publication number
- CN114319193A CN114319193A CN202210115229.4A CN202210115229A CN114319193A CN 114319193 A CN114319193 A CN 114319193A CN 202210115229 A CN202210115229 A CN 202210115229A CN 114319193 A CN114319193 A CN 114319193A
- Authority
- CN
- China
- Prior art keywords
- collision
- barrel
- fixedly connected
- inner barrel
- connecting rod
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- Vibration Dampers (AREA)
Abstract
The invention provides an anti-collision device for highway construction, which comprises an anti-collision barrel and a displacement protection mechanism, and is characterized in that: the anti-collision barrel structure comprises an anti-collision inner barrel and an anti-collision outer barrel, the surface of the anti-collision inner barrel is fixedly connected with the anti-collision outer barrel, the displacement protection mechanism is arranged on the anti-collision inner barrel, the anti-collision inner barrel is made of spring steel, the outer surface of the anti-collision inner barrel is frosted, and the anti-collision outer barrel is made of rubber, and the anti-collision outer barrel structure relates to the field of highway construction. This buffer stop for highway construction exists according to current anticollision mound striking reaction force great, and be not convenient for remove the scheduling problem design and can reduce the counterattack dynamics to the special construction that can conveniently remove, thereby when effectual solved general anticollision mound and suffered to hit, horizontal frontal impact atress, the anticollision mound receives the inertia to influence the displacement condition serious, and the impaired condition of vehicle is serious, the problem of the inconvenient removal of the great anticollision mound of weight moreover.
Description
Technical Field
The invention relates to the technical field of highway construction, in particular to an anti-collision device for highway construction.
Background
The anti-collision piers are frequently needed to be used in the road construction process, the anti-collision piers mainly play a role in temporarily preventing vehicles from passing through some road sections, and in addition, the vehicles are also needed to be prevented from being greatly damaged due to collision, but the anti-collision piers simultaneously need to have strength to keep the position from being greatly changed when the collision happens, and further can play a role in protecting the areas needing static vehicles to move in the same direction, so that the current anti-collision piers mainly have two types, one type is to fill sand in an outer barrel made of plastic, the weight of the anti-collision piers is increased, the damage of the collision can be reduced by combining the sand with a shell made of the plastic material, the weight of the anti-collision piers can be increased, the other type is to sleeve a thicker rubber shell outside the stone pier, the two types are common, the first type is the temporary anti-collision pier, and the anti-collision pier is generally in a front impact manner when being impacted, when the speed of a motor vehicle was too big, anticollision mound and vehicle all received great damage easily, and anticollision mound displacement condition is serious moreover, and this kind of anticollision mound is difficult to remove when not needing in addition, and when general anticollision mound received the impact, horizontal frontal impact atress, and the anticollision mound receives the inertia to influence the displacement condition seriously, and the impaired condition of vehicle is serious, and the great inconvenient removal of anticollision mound of weight in addition, so need a buffer stop for highway construction.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an anti-collision device for road construction, which solves the problems that when a common anti-collision pier is impacted, the transverse frontal impact is stressed, the anti-collision pier is seriously influenced by inertia to cause serious displacement, a vehicle is seriously damaged, and the anti-collision pier with larger weight is inconvenient to move.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anticollision device for highway construction, includes anti-collision barrel and aversion protection mechanism, its characterized in that: the anti-collision barrel comprises an anti-collision inner barrel and an anti-collision outer barrel, the surface of the anti-collision inner barrel is fixedly connected with the anti-collision outer barrel, the displacement protection mechanism is arranged on the anti-collision inner barrel, the anti-collision inner barrel is made of spring steel, the outer surface of the anti-collision inner barrel is frosted, and the anti-collision outer barrel is made of rubber.
Preferably, the side surface of the inner anti-collision barrel is formed by combining a plurality of twisted curved surfaces, the middle part of the inner anti-collision barrel is outwards protruded, the top of the inner anti-collision barrel is provided with a sand injection port, and the top end of the sand injection port is in threaded connection with a cover cap.
Preferably, the inner wall of the outer barrel is fixedly connected with a plurality of anti-collision cushions, the upper end and the lower end of each anti-collision cushion are respectively and fixedly connected with the side edges of the upper end and the lower end of the inner barrel, the anti-collision cushions are made of rubber, the surface of each anti-collision cushion is arc-shaped, the outer surface of the outer barrel is fixedly connected with a thickening anti-collision ring, and the thickening anti-collision ring is made of rubber.
Preferably, the displacement protection mechanism comprises a central pipe, a top limiting disc, a bottom limiting disc, a connecting pipe and a connecting rod, the upper surface and the lower surface of the anti-collision inner barrel are provided with central holes, the inner wall of each central hole is fixedly connected with a central tube, the upper end and the lower end of the central tube respectively penetrate through the central holes on the upper surface and the lower surface of the anti-collision inner barrel, the lower surface of the top limiting disc is fixedly connected with a connecting tube, the upper surface of the bottom limiting disc is fixedly connected with a connecting rod, the surface of the connecting pipe and the surface of the connecting rod are both fixedly connected with a plurality of strong springs, one end of the strong spring is fixedly connected with the inner wall of the central tube, the surface of the connecting rod is connected with the inner wall of the connecting tube in a sliding way, the top end fixedly connected with powerful extension spring of connecting rod, the one end that the connecting rod was kept away from to powerful extension spring is connected with the lower fixed surface of the spacing dish in top.
Preferably, the top of center tube and the lower surface contact of the spacing dish in top, the top of center tube is dull polish form, the bottom of center tube is inlayed and is had the several ball, the surface of ball and the upper surface contact of the spacing dish in bottom.
Preferably, the lower surface of the bottom limiting disc is provided with a plurality of universal wheels, the lower surface of the inner barrel in collision avoidance is fixedly connected with a connecting ring, a plurality of insertion holes are formed in the surface of the connecting ring, the inner walls of the insertion holes are connected with a plurality of elastic limiting plates in a sliding mode, and the upper side face and the lower side face of each elastic limiting plate are frosted.
Preferably, the diameter of the connecting pipe is smaller than the inner diameter of the central pipe, and the connecting rod and the connecting pipe are made of stainless steel.
(III) advantageous effects
(1) According to the invention, the anti-collision inner barrel and the anti-collision outer barrel are arranged, and the anti-collision cushion is arranged between the anti-collision inner barrel and the anti-collision outer barrel, so that a buffer effect can be generated on common impact with low impact force, the damage to an active collision object caused by rigid collision can be avoided, and the damage to the anti-collision barrel caused by common impact can also be avoided.
(2) According to the anti-collision device, due to the arrangement of the displacement protection mechanism, when the anti-collision device is severely impacted by a vehicle, the connecting pipe and the connecting rod can incline, and can be elastically stretched after the connecting pipe and the connecting rod incline, so that a huge buffering effect can be generated, the anti-collision barrel is integrally inclined, but the anti-collision barrel cannot move to a larger position.
(3) According to the invention, the thickened anti-collision ring is arranged, so that when the bicycle is impacted by a battery car, a bicycle and other vehicles, the thickened anti-collision ring can play a good buffering role, the arc surface at the bottom of the thickened anti-collision ring and the ground can play a role in extruding a tire, impact force is extruded and transferred downwards, external force effect on an anti-collision structure is reduced, resilience force of the acting force is reduced, and rebound injury to people is reduced; on the other hand, when the automobile is strongly impacted, the anti-collision barrel can play a role in stopping the advance of the wheels when being deformed.
(4) According to the invention, a special structure capable of reducing the impact force and facilitating movement is designed according to the problems of larger impact reaction force, inconvenience in movement and the like of the existing anti-collision pier, so that the problems that the common anti-collision pier is impacted, the anti-collision pier is stressed by transverse frontal impact, is seriously influenced by inertia and is severely damaged by a vehicle, and the anti-collision pier with larger weight is inconvenient to move are effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a bottom limiting plate according to the present invention;
FIG. 3 is a cross-sectional view of the anti-collision inner barrel structure of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 according to the present invention.
Wherein, 1, the anti-collision barrel; 11. an anti-collision inner barrel; 12. an anti-collision outer barrel; 13. injecting sand; 14. capping; 15. an anti-collision pad; 16. thickening the anti-collision ring; 2. a displacement protection mechanism; 21. a central tube; 22. a top limiting disc; 23. a bottom limiting disc; 24. a connecting pipe; 25. a connecting rod; 26. a central bore; 27. a strong spring; 28. a strong tension spring; 29. a ball bearing; 210. a universal wheel; 211. a connecting ring; 212. a jack; 213. an elastic limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings 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.
As shown in fig. 1 to 4, an embodiment of the present invention provides an anti-collision device for road construction, including an anti-collision barrel 1 and a displacement protection mechanism 2, and characterized in that: the structure of the anti-collision barrel 1 comprises an anti-collision inner barrel 11 and an anti-collision outer barrel 12, the surface of the anti-collision inner barrel 11 is fixedly connected with the anti-collision outer barrel 12, the displacement protection mechanism 2 is arranged on the anti-collision inner barrel 11, the anti-collision inner barrel 11 is made of spring steel, the outer surface of the anti-collision inner barrel 11 is frosted, and the anti-collision outer barrel 12 is made of rubber;
the side of the inner barrel 11 of anticollision is formed by a plurality of curved surfaces that twist reverse to make up, the middle part of the inner barrel 11 of anticollision is outwards convex, the top of the inner barrel 11 of anticollision is equipped with the sand-filling mouth 13, the top end screw thread of the sand-filling mouth 13 connects with the block 14, the inner wall of the outer barrel 12 of anticollision is fixedly connected with several crash pads 15, the upper and lower both ends of the crash pad 15 are fixedly connected with the side of the upper and lower both ends of the inner barrel 11 of anticollision respectively, the material of the crash pad 15 is rubber, the surface of the crash pad 15 is arc-shaped, the external surface of the outer barrel 12 of anticollision is fixedly connected with the thickening anti-collision ring 16, the material of the thickening anti-collision ring 16 is rubber;
the displacement protection mechanism 2 comprises a central tube 21, a top limit disc 22, a bottom limit disc 23, a connecting tube 24 and a connecting rod 25, wherein the upper surface and the lower surface of the inner anti-collision barrel 11 are provided with central holes 26, the inner wall of the central hole 26 is fixedly connected with the central tube 21, the upper end and the lower end of the central tube 21 respectively penetrate through the central holes 26 on the upper surface and the lower surface of the inner anti-collision barrel 11, the lower surface of the top limit disc 22 is fixedly connected with the connecting tube 24, the upper surface of the bottom limit disc 23 is fixedly connected with the connecting rod 25, the surface of the connecting tube 24 and the surface of the connecting rod 25 are fixedly connected with a plurality of strong springs 27, one end of each strong spring 27 is fixedly connected with the inner wall of the central tube 21, the surface of the connecting rod 25 is slidably connected with the inner wall of the connecting tube 24, the top end of the connecting rod 25 is fixedly connected with a strong tension spring 28, and one end of each strong tension spring 28, which is far away from the connecting rod 25, is fixedly connected with the lower surface of the top limit disc 22, the top of the central tube 21 is in contact with the lower surface of the top limiting disc 22, the top of the central tube 21 is frosted, a plurality of balls 29 are embedded at the bottom end of the central tube 21, and the surfaces of the balls 29 are in contact with the upper surface of the bottom limiting disc 23;
the lower surface mounting of the spacing dish 23 in bottom has several universal wheel 210, the lower fixed surface of bucket 11 in the anticollision goes up ring 211, several jack 212 has been seted up on the surface of go up ring 211, the inner wall sliding connection of jack 212 has several elasticity limiting plate 213, the upper and lower both sides face of elasticity limiting plate 213 all is dull polish form, the internal diameter of the diameter ratio center tube 21 of connecting pipe 24 is little, and the material of connecting rod 25 and connecting pipe 24 is the stainless steel.
When the anti-collision device is used, a large amount of sand is injected into the inner anti-collision barrel 11 through the sand injection port 13, the sand is injected into two thirds of the inner anti-collision barrel 11, the elastic limiting plate 213 is inserted into one side of the universal wheel 210 and is abutted against the bottom of the universal wheel 210, when the anti-collision device is impacted by light weights of a battery car, a bicycle and the like, the cambered surface at the bottom of the thickened anti-collision ring 16 can generate extrusion acting force on the wheel by combining the ground, part of impact force can be guided and discharged, and then the rebounding acting force can be greatly reduced, meanwhile, the outer anti-collision barrel 12, the anti-collision cushion 15 and the thickened anti-collision ring 16 with an elastic structure can slowly release part of the impact force, when a car has larger impact force, the car head can impact the surface of the outer anti-collision barrel 12 and can cause the anti-collision cushion 15 to bend, the cambered anti-collision cushion 15 can be extruded and twisted and extrude the side surface of the inner anti-collision barrel 11 when being bent, the anti-collision inner barrel 11 is deformed under stress and can slightly rotate to transfer partial external acting force, the upper part of the anti-collision inner barrel 11 is inclined slightly, the anti-collision inner barrel tends to incline, the bottom universal wheel 210 is limited, the center is low and cannot move, the friction force between the ball 29 and the bottom limiting disc 23 is small, the bottom limiting disc 23 can be turned over quickly at the moment, the connecting rod 25 slides inside the connecting pipe 24, the powerful tension spring 28 and each powerful spring 27 are stretched, a large amount of external force can be removed, the wheel can be blocked by the thickened anti-collision ring 16, when the anti-collision inner barrel needs to move, the elastic limiting plate 213 is directly far away from the universal wheel 210 to push any position, and the anti-collision inner barrel 11 can push the universal wheel 210 through the central pipe 21, the connecting rod 25 and the bottom limiting disc 23.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (7)
1. The utility model provides an anticollision device for highway construction, includes anti-collision barrel (1) and aversion protection mechanism (2), its characterized in that: the structure of the anti-collision barrel (1) comprises an anti-collision inner barrel (11) and an anti-collision outer barrel (12), the surface of the anti-collision inner barrel (11) is fixedly connected with the anti-collision outer barrel (12), and the displacement protection mechanism (2) is arranged on the anti-collision inner barrel (11);
the anti-collision inner barrel (11) is made of spring steel, the outer surface of the anti-collision inner barrel is frosted, and the anti-collision outer barrel (12) is made of rubber.
2. The anti-collision device for road construction according to claim 1, characterized in that: the side of the inner anti-collision barrel (11) is formed by combining a plurality of twisted curved surfaces, the middle of the inner anti-collision barrel (11) is outwards protruded, a sand injection port (13) is formed in the top of the inner anti-collision barrel (11), and a cover cap (14) is connected to the top end of the sand injection port (13) in a threaded mode.
3. The anti-collision device for road construction according to claim 2, characterized in that: the inner wall of the outer anti-collision barrel (12) is fixedly connected with a plurality of anti-collision cushions (15), the upper ends and the lower ends of the anti-collision cushions (15) are respectively and fixedly connected with the side edges of the upper ends and the lower ends of the inner anti-collision barrel (11), the anti-collision cushions (15) are made of rubber, and the surfaces of the anti-collision cushions (15) are arc-shaped;
the outer fixed surface of crashproof outer bucket (12) is connected with thickening anticollision ring (16), thickening anticollision ring (16)'s material is rubber.
4. The anti-collision device for road construction according to claim 3, characterized in that: the displacement protection mechanism (2) comprises a central tube (21), a top limiting disc (22), a bottom limiting disc (23), a connecting tube (24) and a connecting rod (25), wherein central holes (26) are formed in the upper surface and the lower surface of the anti-collision inner barrel (11), the inner wall of each central hole (26) is fixedly connected with the central tube (21), and the upper end and the lower end of the central tube (21) penetrate through the central holes (26) in the upper surface and the lower surface of the anti-collision inner barrel (11) respectively;
the lower surface of the top limiting disc (22) is fixedly connected with a connecting pipe (24), and the upper surface of the bottom limiting disc (23) is fixedly connected with a connecting rod (25);
the equal fixedly connected with several powerful spring (27) in surface of the surface of connecting pipe (24) and connecting rod (25), the inner wall fixed connection of the one end of powerful spring (27) and center tube (21), the surface of connecting rod (25) and the inner wall sliding connection of connecting pipe (24), the powerful extension spring (28) of top fixedly connected with of connecting rod (25), the one end that connecting rod (25) were kept away from in powerful extension spring (28) is connected with the lower fixed surface of top spacing dish (22).
5. The anti-collision device for road construction according to claim 4, wherein: the top of center tube (21) and the lower surface contact of spacing dish in top (22), the top of center tube (21) is dull polish form, the bottom of center tube (21) is inlayed and is had several ball (29), the surface of ball (29) and the upper surface contact of the spacing dish in bottom (23).
6. The anti-collision device for road construction according to claim 5, wherein: the anti-collision inner barrel is characterized in that a plurality of universal wheels (210) are mounted on the lower surface of the bottom limiting disc (23), a connecting ring (211) is fixedly connected to the lower surface of the anti-collision inner barrel (11), a plurality of inserting holes (212) are formed in the surface of the connecting ring (211), a plurality of elastic limiting plates (213) are connected to the inner walls of the inserting holes (212) in a sliding mode, and the upper side face and the lower side face of each elastic limiting plate (213) are both frosted.
7. The anti-collision device for road construction according to claim 6, wherein: the diameter of the connecting pipe (24) is smaller than the inner diameter of the central pipe (21), and the connecting rod (25) and the connecting pipe (24) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210115229.4A CN114319193B (en) | 2022-02-06 | 2022-02-06 | Anti-collision device for highway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210115229.4A CN114319193B (en) | 2022-02-06 | 2022-02-06 | Anti-collision device for highway construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114319193A true CN114319193A (en) | 2022-04-12 |
| CN114319193B CN114319193B (en) | 2023-06-13 |
Family
ID=81031025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210115229.4A Active CN114319193B (en) | 2022-02-06 | 2022-02-06 | Anti-collision device for highway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114319193B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1029985A2 (en) * | 1999-02-16 | 2000-08-23 | Wolters N.V. | Impact-resistant and energy-absorbing safety post |
| JP2007170109A (en) * | 2005-12-26 | 2007-07-05 | Hanai Seisakusho:Kk | Rear-end collision energy absorbing device |
| CN107653804A (en) * | 2017-10-23 | 2018-02-02 | 沈阳建筑大学 | Energy-absorbing buffering Anti-collision barrel for road traffic |
| CN107893394A (en) * | 2017-11-13 | 2018-04-10 | 张笑多 | The tub anticollision device, collision-prevention device of both sides of highway |
| CN108798214A (en) * | 2018-07-04 | 2018-11-13 | 广东省建筑工程机械施工有限公司 | A kind of construction of the highway crash bearer |
| CN209555841U (en) * | 2018-12-05 | 2019-10-29 | 江苏华建市政园林建设有限公司 | A kind of road vehicle crash bearer with pooling feature |
| CN210975674U (en) * | 2019-10-10 | 2020-07-10 | 王瞻 | Novel highway anti-collision barrel |
| CN214883275U (en) * | 2020-10-29 | 2021-11-26 | 吴德坯 | Buffering anti-collision barrel |
-
2022
- 2022-02-06 CN CN202210115229.4A patent/CN114319193B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1029985A2 (en) * | 1999-02-16 | 2000-08-23 | Wolters N.V. | Impact-resistant and energy-absorbing safety post |
| JP2007170109A (en) * | 2005-12-26 | 2007-07-05 | Hanai Seisakusho:Kk | Rear-end collision energy absorbing device |
| CN107653804A (en) * | 2017-10-23 | 2018-02-02 | 沈阳建筑大学 | Energy-absorbing buffering Anti-collision barrel for road traffic |
| CN107893394A (en) * | 2017-11-13 | 2018-04-10 | 张笑多 | The tub anticollision device, collision-prevention device of both sides of highway |
| CN108798214A (en) * | 2018-07-04 | 2018-11-13 | 广东省建筑工程机械施工有限公司 | A kind of construction of the highway crash bearer |
| CN209555841U (en) * | 2018-12-05 | 2019-10-29 | 江苏华建市政园林建设有限公司 | A kind of road vehicle crash bearer with pooling feature |
| CN210975674U (en) * | 2019-10-10 | 2020-07-10 | 王瞻 | Novel highway anti-collision barrel |
| CN214883275U (en) * | 2020-10-29 | 2021-11-26 | 吴德坯 | Buffering anti-collision barrel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114319193B (en) | 2023-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109868775B (en) | Traffic safety guardrail and use method thereof | |
| JP2002544060A (en) | Front bonnet structure | |
| CN210163834U (en) | Town road anticollision mound | |
| CN209816734U (en) | Multistage buffering energy-absorbing flexible highway guardrail | |
| CN114319193A (en) | Anti-collision device for highway construction | |
| CN108978543B (en) | Public road bridge roof beam buffer stop | |
| CN208472566U (en) | It is a kind of applied to bridge, the anticollision barrier of road | |
| CN211080029U (en) | Municipal administration highway rail guard | |
| CN212103812U (en) | Anti-collision device applied to expressway | |
| CN110029611B (en) | Railing is kept apart to trouble of town road | |
| CN208897015U (en) | A kind of car insurance bar that damping effect is excellent | |
| CN113216051A (en) | Highway traffic safety device | |
| CN115071471A (en) | Anti-collision type new energy automobile is with filling electric pile | |
| CN114960505A (en) | Bridge pier protection system of highway bridge over-line | |
| CN111455844B (en) | Bridge guardrail for preventing vehicle from rolling | |
| CN111824303A (en) | Anti-collision thickened front bumper of electric vehicle | |
| CN209162710U (en) | A kind of highway bridge rolling-type anticollision device | |
| CN213571704U (en) | Anti-collision plastic bucket | |
| CN213538772U (en) | Road bridge collision avoidance device | |
| CN207345731U (en) | A kind of impact strength alleviates bumper | |
| CN206797313U (en) | A kind of automobile using automatic buffer collision prevention girders | |
| CN211690097U (en) | Anti-collision column | |
| CN213086660U (en) | Municipal road and bridge auxiliary device capable of achieving anti-collision protection | |
| CN211646160U (en) | Highway protector | |
| CN216243030U (en) | LED display parking lot indication board |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230519 Address after: Floor 2, No. 13 Xingang Road, Jiangcheng District, Yangjiang City, Guangdong Province, 529500 Applicant after: Guangdong Kangwei Construction Development Co.,Ltd. Address before: 075000 No. 11 Shifu East Street, economic development zone, Zhangjiakou, Hebei Applicant before: Liu Yu |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |