CN109914303B - Road bridge anticollision barrier - Google Patents
Road bridge anticollision barrier Download PDFInfo
- Publication number
- CN109914303B CN109914303B CN201910279283.0A CN201910279283A CN109914303B CN 109914303 B CN109914303 B CN 109914303B CN 201910279283 A CN201910279283 A CN 201910279283A CN 109914303 B CN109914303 B CN 109914303B
- Authority
- CN
- China
- Prior art keywords
- protective
- collision
- protection
- buffer
- groove
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to a road and bridge anti-collision guardrail which comprises a protective box, protective piles and protective devices, wherein the protective box is fixedly connected with a road surface, a protective groove is formed in the protective box, the protective piles are hinged in the protective groove, the protective devices are arranged between adjacent protective piles, the protective devices are sequentially arranged from top to bottom, the protective piles comprise protective columns, the lower ends of the protective columns are of a spherical structure, the lower ends of the protective columns are hinged with the protective box, and through holes are uniformly formed in the inner side wall of the protective groove along the circumferential direction of the protective groove. The invention can solve the problems that the protection effect of the hard guardrail is small, the buffering effect of the buffering guardrail is general, the impact force of the hard guardrail and the buffering guardrail is not changed and applied, and the like under the existing conditions, can realize the function of effectively reducing the impact force of the automobile and the guardrail, and has the advantages of multiple protections, capability of applying the impact force to react on the impact force and good protection effect on the automobile and the guardrail.
Description
Technical Field
The invention relates to the field of road protection, in particular to a road and bridge anti-collision guardrail.
Background
Along with the improvement of people's standard of living, the quantity of private car is also more and more, and simultaneously, the emergence number of times of traffic accident is also more and more, and at the in-process of repairing the road, the road both sides are protected the vehicle through building the guardrail, but, there are a lot of drawbacks in the guardrail under the existing condition when the protection:
the method has the following disadvantages: most of the existing guardrails are hard guardrails, when an automobile collides with the guardrails, impact force at the moment of collision is reduced by means of friction force and guardrail or automobile deformation, and the protection effect is small;
the method has the following disadvantages: the few guardrails with certain buffering function absorb the impact force generated when the automobile collides with the guardrail only through springs and the like, and the buffering function is general;
the disadvantages are three: no matter the guardrail is a hard guardrail or a guardrail with a buffering effect, the collision force is not correspondingly changed and applied, so that a part of the collision force is reacted with the collision force, and the effect of reducing the impact force is achieved.
In view of the above-listed drawbacks, no better research and practice results exist under the existing technical conditions, and therefore, further research and practice are necessary to solve the above-listed drawbacks.
Disclosure of Invention
In order to solve the defects, the invention provides a road and bridge anti-collision guardrail which can solve the problems that the protection effect of a hard guardrail is small, the buffering effect of a buffering guardrail is general, and the impact force is not changed and applied by the hard guardrail and the buffering guardrail under the existing conditions, can realize the function of effectively reducing the impact force between an automobile and the guardrail, has multiple protection functions, can apply the impact force to react on the impact force, and has good protection effect on the automobile and the guardrail.
In order to achieve the purpose, the invention adopts the following technical scheme that the road and bridge anti-collision guardrail comprises a protective box, protective piles and protective devices, wherein the protective box is fixedly connected with a road surface, a protective groove is formed in the protective box, the protective piles are hinged in the protective groove, the protective devices are arranged between the adjacent protective piles, and the protective devices are sequentially arranged from top to bottom.
The fender pile include the protection post, the lower extreme of protection post is the ball structure, and the lower extreme of protection post is articulated with the protective housing, the inside wall of protective tank evenly is equipped with the through-hole along its circumference direction, install the protection spring between the lateral wall of through-hole and protection post, be equipped with the protection branch in the through-hole.
The protection branched chain comprises a protection rope, the protection rope is arranged in a wire guide groove on the inner side wall of the protection box, and the protection rope guides and limits the protection rope in the wire guide groove through a guide wheel; the protective rope on the rear side of the protective box penetrates through two sides of the through hole, the protective sliding block is connected in the through hole in a sliding fit mode, the protective sliding block is T-shaped, the upper end of the protective sliding block is connected with the protective rope, and the right end of the protective sliding block is hinged with the side wall of the protective column; the protective rope on the front side of the protective box penetrates through the through hole, the protective rope is connected with the front end of the protective rod, and the rear end of the protective rod is hinged with the side wall of the protective column; when the automobile bumper works, when an automobile collides against the protective column, the protective pile can relieve certain collision force.
Protector including buffering slider, the middle part of protection post is equipped with the dashpot, is connected with buffering slider through sliding fit's mode in the dashpot, both ends are connected with the inside wall of dashpot through spacing spring around the buffering slider, the guard plate is installed through the connecting block to buffering slider between the adjacent protection post, the guard plate is hollow structure, the anticollision branch chain is installed to the front end of guard plate, the internally mounted of guard plate has the buffering branch chain, three guard plate is linked together through the trachea from last to down.
The anticollision branch chain include the anticollision bracing piece, the preceding terminal surface longitudinal symmetry of guard plate is equipped with the anticollision groove, the anticollision inslot is connected with the anticollision bracing piece through sliding fit's mode, the front end of anticollision bracing piece is connected through returning the font support frame, anticollision spring is installed to the lateral wall of anticollision bracing piece, anticollision spring's front end is connected with returning the font support frame, anticollision spring's rear end is connected with the preceding terminal surface of guard plate, the front end bilateral symmetry of returning the font support frame is equipped with the backup pad, the longitudinal symmetry is equipped with the anticollision pole between the backup pad.
The anti-collision rod comprises cross rods, the cross rods are arranged between the supporting plates through bearings, and anti-collision cylinders are arranged on the side walls of the cross rods through the bearings; when the automobile anti-collision branched chain works, when an automobile collides with a protection plate, the anti-collision branched chain can decompose impact force generated in the collision process.
The buffering branch chain include the sealing plug, the inside of guard plate is connected with the sealing plug through sliding fit's mode, the preceding terminal surface of sealing plug is connected with the rear end of crashproof bracing piece, the lower terminal surface of guard plate is linked together through air duct and inflator, the inflator is installed at the preceding terminal surface middle part of guard plate, and the inflator evenly is equipped with at the preceding terminal surface of guard plate.
The inflator comprises a buffer plug, the buffer plug is connected in the inflator in a sliding fit mode, and the front end of the buffer plug is provided with a buffer plate through a buffer rod; the during operation, the buffering branch chain can utilize the counterforce to the impact, the effectual impact that reduces car and guardrail, and simultaneously, three guard plate are linked together through the trachea, can enough mutually support, with the impact counterforce car, can prevent again that protector inflation from breaking.
The invention has the beneficial effects that:
the invention is provided with the protective pile, and the protective pile is of a flexible structure and can play a certain buffering role on impact force;
the anti-collision branched chain is provided with a plurality of protections, so that the impact force can be effectively reduced;
and thirdly, the buffer branched chain is arranged, and the buffer branched chain can apply impact force and react the impact force, so that the impact force is greatly reduced, and the protection effect is better.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure between the shelter box and the fender post of the present invention;
FIG. 3 is a schematic view of the structure between the internal parts of the present invention;
FIG. 4 is an enlarged view of the portion of FIG. 3 from the A direction;
fig. 5 is a schematic structural view between the protective column and part of the protective device of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 5, a road and bridge anticollision barrier, includes protecting box 1, fender pile 2 and protector 3, protecting box 1 and road surface fixed connection, the inside of protecting box 1 is equipped with the protecting groove, and articulated in the protecting groove have fender pile 2, install protector 3 between the adjacent fender pile 2, and protector 3 installs threely from last to down in proper order.
The fender post 2 include the protection post 21, the lower extreme of protection post 21 is the ball structure, and the lower extreme of protection post 21 is articulated with protective housing 1, the inside wall of protective housing evenly is equipped with the through-hole along its circumference direction, install protection spring 22 between the lateral wall of through-hole and protection post 21, be equipped with protection branch chain 23 in the through-hole.
The protection branched chain 23 comprises a protection rope 231, the protection rope 231 is arranged in a guide groove on the inner side wall of the protection box 1, and the protection rope 231 is guided and limited in the guide groove through a guide wheel 232; the protective rope 231 at the rear side of the protective box 1 penetrates through two sides of the through hole, the protective slider 233 is connected in the through hole in a sliding fit mode, the protective slider 233 is T-shaped, the upper end of the protective slider 233 is connected with the protective rope 231, and the right end of the protective slider 233 is hinged with the side wall of the protective column 21; the protective rope 231 at the front side of the protective box 1 passes through the through hole, the protective rope 231 is connected with the front end of the protective rod 234, and the rear end of the protective rod 234 is hinged with the side wall of the protective column 21; the during operation, when the car hits on the protection post 21, the impact force that the collision produced makes protection post 21 incline backward, at this moment, the protection spring 22 of rear side has certain shore effect to protection post 21 in the protective groove, and the protection spring 22 of front side has certain pulling effect to protection post 21 in the protective groove, and simultaneously, protection post 21 inclines backward to drive the protection rope 231 of metallic channel rear side and stimulates backward, and the protection rope 231 of metallic channel front side has certain pulling effect to protection post 21, the power of many places is worked to protection post 21 in the protective box 1, can be very big the angle that has reduced protection post 21 slope, the impact of car has been reduced to existing effect.
The anti-collision branched chain 35 include anti-collision support pole 351, the preceding terminal surface longitudinal symmetry of guard plate 34 is equipped with the crashproof groove, be connected with anti-collision support pole 351 through sliding fit's mode in the crashproof groove, anti-collision support pole 351's front end is connected through returning font support frame 352, anti-collision spring 353 is installed to anti-collision support pole 351's lateral wall, anti-collision spring 353's front end is connected with returning font support frame 352, anti-collision spring 353's rear end is connected with the preceding terminal surface of guard plate 34, it is equipped with backup pad 354 to return the front end bilateral symmetry of font support frame 352, the longitudinal symmetry is equipped with crashproof pole.
The anti-collision rod 37 comprises cross rods 371, the cross rods 371 are mounted between the supporting plates 354 through bearings, and anti-collision cylinders 372 are mounted on the side walls of the cross rods 371 through bearings; in operation, when the car collides with the protection plate 34, the car collides with the crash bar 37, and the crash bar 37 can rotate, can decompose a part of the impact force, then, the crash spring 353 works with the limit spring 32, and the impact force is transmitted to the crash spring 353 through the crash bar 37, and is transmitted to the limit spring 32 through the protection plate 34, so that the impact force can be effectively reduced, and simultaneously, the impact force is transmitted to the buffer branched chain 36 through the crash bar 37 and the crash support bar 351, so that the buffer branched chain 36 works.
The buffering branched chain 36 comprises a sealing plug 361, the inside of the protection plate 34 is connected with the sealing plug 361 in a sliding fit mode, the front end face of the sealing plug 361 is connected with the rear end of the anti-collision supporting rod 351, the lower end face of the protection plate 34 is communicated with the air cylinder 38 through an air duct 362, the air cylinder 38 is installed in the middle of the front end face of the protection plate 34, and the air cylinder 38 is uniformly arranged on the front end face of the protection plate 34.
The air cylinder 38 comprises a buffer plug 381, the buffer plug 381 is connected in the air cylinder 38 in a sliding fit mode, and a buffer plate 383 is mounted at the front end of the buffer plug 381 through a buffer rod 382; during operation, the collision force after the decomposition drives sealing plug 361 rearward movement through crashproof bracing piece 351, air in the guard plate 34 enters into inflator 38 through air duct 362, and drive buffering stopper 381 and move forward, buffering stopper 381 drives buffering board 383 and moves forward through buffering pole 382, make buffering board 383 pass from the middle part of crashproof pole 37 and contact with the car, thereby realized reacting the car through utilizing the conversion with the collision force, impact force when effectively having reduced car and guardrail collision, and simultaneously, three guard plate 34 is linked together through trachea 4, can enough mutually support, react the car with the collision force, can protect device 3 inflation fracture again.
Upon collision with the protective post 21: when an automobile collides against the protective column 21, the protective column 21 is inclined backwards by impact force generated by collision, at the moment, the protective spring 22 at the rear side in the protective groove has a certain supporting effect on the protective column 21, the protective spring 22 at the front side in the protective groove has a certain pulling effect on the protective column 21, meanwhile, the protective column 21 inclines backwards to drive the protective rope 231 at the rear side of the wire guide groove to pull backwards, the protective rope 231 at the front side of the wire guide groove has a certain pulling effect on the protective column 21, and multiple forces in the protective box 1 work on the protective column 21, so that the inclination angle of the protective column 21 can be greatly reduced, and the collision force of the automobile is effectively reduced;
damping of force upon impact with the fender 34: when an automobile collides with the protection plate 34, the automobile collides with the anti-collision rod 37, the anti-collision rod 37 can rotate and can decompose part of collision force, then the anti-collision spring 353 and the limiting spring 32 work, the collision force is transmitted to the anti-collision spring 353 through the anti-collision rod 37 and is transmitted to the limiting spring 32 through the protection plate 34, so that the collision force can be effectively reduced, and meanwhile, the collision force is transmitted to the buffer branched chain 36 through the anti-collision rod 37 and the anti-collision support rod 351, so that the buffer branched chain 36 works;
reaction of force upon impact with the fender 34: the decomposed collision force drives the sealing plug 361 to move backwards through the anti-collision support rod 351, air in the protection plate 34 enters the air cylinder 38 through the air guide pipe 362 and drives the buffer plug 381 to move forwards, the buffer plug 381 drives the buffer plate 383 to move forwards through the buffer rod 382, so that the buffer plate 383 penetrates through the middle of the anti-collision rod 37 and contacts with an automobile, the collision force is reacted on the automobile through conversion, and the impact force when the automobile collides with a guardrail is effectively reduced;
the plurality of guards 3 cooperate: the three protection plates 34 are communicated through the air pipe 4, and can be matched with each other to react collision force to the automobile and prevent the protection device 3 from expanding and breaking.
The work flow realizes the function of effectively reducing the impact force between the automobile and the guardrail, solves the problems that the protection effect of the hard guardrail is small, the buffering effect of the buffering guardrail is general, the impact force is not changed and applied by the hard guardrail and the buffering guardrail under the existing condition, and the like, and achieves the purpose.
The invention has been described in detail with reference to the embodiments illustrated in the drawings, and it is to be understood that variations and equivalent arrangements may be resorted to by those skilled in the art having the benefit of the teachings herein.
Claims (1)
1. The utility model provides a road bridge anticollision barrier, includes protective housing (1), fender pile (2) and protector (3), its characterized in that: the protective box (1) is fixedly connected with a road surface, a protective groove is formed in the protective box (1), protective piles (2) are hinged in the protective groove, a protective device (3) is arranged between every two adjacent protective piles (2), and three protective devices (3) are sequentially arranged from top to bottom; wherein:
the protective pile (2) comprises a protective column (21), the lower end of the protective column (21) is of a spherical structure, the lower end of the protective column (21) is hinged with the protective box (1), through holes are uniformly formed in the inner side wall of the protective groove along the circumferential direction of the protective groove, a protective spring (22) is installed between each through hole and the outer side wall of the protective column (21), and a protective branched chain (23) is arranged in each through hole;
the protection branched chain (23) comprises a protection rope (231), the protection rope (231) is arranged in a guide groove on the inner side wall of the protection box (1), and the protection rope (231) is guided and limited in the guide groove through a guide wheel (232);
the protective rope (231) on the rear side of the protective box (1) penetrates through two sides of the through hole, the protective sliding block (233) is connected in the through hole in a sliding fit mode, the protective sliding block (233) is T-shaped, the upper end of the protective sliding block (233) is connected with the protective rope (231), and the right end of the protective sliding block (233) is hinged to the side wall of the protective column (21);
the protective rope (231) on the front side of the protective box (1) penetrates through the through hole, the protective rope (231) is connected with the front end of the protective rod (234), and the rear end of the protective rod (234) is hinged with the side wall of the protective column (21);
the protection device (3) comprises buffer sliding blocks (31), a buffer groove is formed in the middle of each protection column (21), the buffer sliding blocks (31) are connected in the buffer grooves in a sliding fit mode, the front end and the rear end of each buffer sliding block (31) are connected with the inner side wall of the buffer groove through limiting springs (32), a protection plate (34) is installed on each buffer sliding block (31) between every two adjacent protection columns (21) through a connecting block (33), each protection plate (34) is of a hollow structure, an anti-collision branched chain (35) is installed at the front end of each protection plate (34), and a buffer branched chain (36) is installed inside each protection plate (34);
the anti-collision branched chain (35) comprises anti-collision supporting rods (351), anti-collision grooves are symmetrically formed in the upper and lower portions of the front end face of the protection plate (34), the anti-collision supporting rods (351) are connected in the anti-collision grooves in a sliding fit mode, the front ends of the anti-collision supporting rods (351) are connected through a square-shaped support frame (352), anti-collision springs (353) are mounted on the side walls of the anti-collision supporting rods (351), the front ends of the anti-collision springs (353) are connected with the square-shaped support frame (352), the rear ends of the anti-collision springs (353) are connected with the front end face of the protection plate (34), support plates (354) are symmetrically arranged at the left and right portions of the front ends of the square-;
the buffer branched chain (36) comprises a sealing plug (361), the interior of the protection plate (34) is connected with the sealing plug (361) in a sliding fit mode, the front end face of the sealing plug (361) is connected with the rear end of the anti-collision supporting rod (351), the lower end face of the protection plate (34) is communicated with the air cylinder (38) through an air duct (362), the air cylinder (38) is installed in the middle of the front end face of the protection plate (34), and the air cylinder (38) is uniformly arranged on the front end face of the protection plate (34);
the air cylinder (38) comprises a buffer plug (381), the buffer plug (381) is connected in the air cylinder (38) in a sliding fit mode, and a buffer plate (383) is installed at the front end of the buffer plug (381) through a buffer rod (382);
the anti-collision rod (37) comprises cross rods (371), the cross rods (371) are mounted between the supporting plates (354) through bearings, and anti-collision cylinders (372) are mounted on the side walls of the cross rods (371) through bearings;
the three protection plates (34) are communicated with each other through the air pipe (4) from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279283.0A CN109914303B (en) | 2019-04-09 | 2019-04-09 | Road bridge anticollision barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279283.0A CN109914303B (en) | 2019-04-09 | 2019-04-09 | Road bridge anticollision barrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109914303A CN109914303A (en) | 2019-06-21 |
| CN109914303B true CN109914303B (en) | 2021-04-27 |
Family
ID=66969002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279283.0A Expired - Fee Related CN109914303B (en) | 2019-04-09 | 2019-04-09 | Road bridge anticollision barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109914303B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647458B (en) * | 2020-09-23 | 2022-06-28 | 重庆市城投路桥管理有限公司 | BIM municipal bridge pier buffer stop based on thing networking |
| CN112523132A (en) * | 2020-11-26 | 2021-03-19 | 曹少华 | Anti-collision buffer device for traffic transportation protective facilities |
| CN112832151B (en) * | 2020-12-31 | 2022-06-24 | 南京涵铭置智能科技有限公司 | Danger warning device with collision counteracting structure for road traffic transportation |
| CN114243487A (en) * | 2021-12-16 | 2022-03-25 | 徐州恒巨机电科技有限公司 | Supporting and protecting device for electromechanical engineering control cabinet |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2250975Y (en) * | 1996-03-18 | 1997-04-02 | 夏成山 | Automatic reset collision-proof alarm post |
| JP2912584B2 (en) * | 1996-07-04 | 1999-06-28 | 日本メクトロン株式会社 | Road sign pillar cleaning equipment |
| KR100443709B1 (en) * | 2002-03-05 | 2004-08-11 | 최창규 | Flexible bar for division of median line |
| KR100682125B1 (en) * | 2005-03-02 | 2007-03-23 | 채종면 | Impact rolling absorbing structure of vehicle |
| KR20090001440U (en) * | 2007-08-08 | 2009-02-12 | 김학철 | Elasticity Bollard |
| US8545126B1 (en) * | 2013-01-08 | 2013-10-01 | Abdulreidha Abdulrasoul AlSaffar | Portable traffic safety barrier |
| KR101900736B1 (en) * | 2016-07-11 | 2018-10-02 | 송덕용 | Handrail structure having a combination structure to prevent rotation of bar |
| CN205839645U (en) * | 2016-07-21 | 2016-12-28 | 陈方太 | A kind of town road guard rail |
| CN206448200U (en) * | 2017-01-21 | 2017-08-29 | 宋森 | A kind of anti-collision road guardrail |
| CN106939564B (en) * | 2017-03-21 | 2019-03-19 | 安徽卓航展示用品有限公司 | Anticollision barrier |
| CN207227997U (en) * | 2017-08-04 | 2018-04-13 | 东北林业大学 | A kind of Novel road stake |
| CN108128274A (en) * | 2017-12-26 | 2018-06-08 | 宁波江北珂达汽车技术有限公司 | A kind of automobile fender buffer |
| CN208088187U (en) * | 2018-01-22 | 2018-11-13 | 青岛鹏银科技有限公司 | A kind of highway guard rail with height buffer performance |
| CN108385564A (en) * | 2018-05-14 | 2018-08-10 | 江苏阳光新格栅栏科技有限公司 | A kind of safety type combined type guardrail |
| CN208202800U (en) * | 2018-05-14 | 2018-12-07 | 江苏阳光新格栅栏科技有限公司 | A kind of compound guardrail of multilayer proofing |
| CN208501557U (en) * | 2018-05-17 | 2019-02-15 | 陈锦城 | A kind of railroad bridge crash-proof height-limiting bar |
-
2019
- 2019-04-09 CN CN201910279283.0A patent/CN109914303B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109914303A (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109914303B (en) | Road bridge anticollision barrier | |
| CN106223193B (en) | Buffer anticollision structure at a kind of road and crossing | |
| KR101153856B1 (en) | Impact attenuator for installation along road | |
| CN105584440A (en) | Collision buffer energy-absorption device for automobile | |
| CN208136786U (en) | A kind of highway protective fence | |
| CN211006468U (en) | Traffic safety anticollision barrier | |
| CN203795348U (en) | Tubular crash cushion with guiding function | |
| CN108583492A (en) | A kind of safety-type sweeping machine | |
| CN109017649B (en) | Concatenation formula truck front bumper | |
| KR101022863B1 (en) | Impact attenuator for installation along road | |
| CN211113175U (en) | Telescopic anticollision buffer of bridge railing tip | |
| CN207670354U (en) | Bumper beam assembly of vehicle | |
| CN206457759U (en) | A kind of expressway isolation strip soft elastic anti-collision facility | |
| CN210262858U (en) | Guardrail capable of slowing down impact | |
| CN110606036B (en) | High anti-collision automobile with double girders | |
| CN108177620A (en) | A kind of anti-collision automobile bumper structure | |
| CN109930519B (en) | Anti-collision self-resetting boundary limiting frame for overpass highway railway bridge | |
| CN221167593U (en) | Speed-reducing anti-collision guardrail device for highway traffic safety facility engineering | |
| CN117755063B (en) | New forms of energy power battery box protector | |
| CN220079855U (en) | Traffic guardrail with anticollision deceleration function | |
| KR102292574B1 (en) | Hybrid Vehicle Shock Absorption Facility | |
| CN217629626U (en) | Protective device for cable guardrail end | |
| CN108657095A (en) | A kind of rete cord formula truck rear with shear energy-absorbing structure | |
| CN216636409U (en) | Collision protection device of vehicle | |
| CN216474701U (en) | Road anti-collision guardrail for automobile traffic |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yan Xiangui Inventor after: Zhang Xianfei Inventor after: Wang Yong Inventor after: Zhai Yufeng Inventor before: Zhai Yufeng |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210408 Address after: 558000 170 Jianjiang North Road, Duyun City, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province Applicant after: Qiannan highway maintenance Co.,Ltd. Address before: 021008 Hulunbuir traffic technology management and consulting center, No.22, Alihe Road, Hailar District, Hulunbuir City, Inner Mongolia Autonomous Region Applicant before: Zhai Yufeng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |