CN115404804B - Impact guiding type high-speed guardrail - Google Patents
Impact guiding type high-speed guardrail Download PDFInfo
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- CN115404804B CN115404804B CN202211069166.XA CN202211069166A CN115404804B CN 115404804 B CN115404804 B CN 115404804B CN 202211069166 A CN202211069166 A CN 202211069166A CN 115404804 B CN115404804 B CN 115404804B
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- transverse connection
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- 238000001125 extrusion Methods 0.000 claims abstract description 33
- 230000005484 gravity Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 10
- 230000037431 insertion Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/148—Means for vehicle stopping using impact energy absorbers mobile arrangements
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- 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 high-speed guardrails, and discloses an impact guide type high-speed guardrail which comprises a bottom transverse connecting rod, a top transverse connecting rod, an insertion fixing groove and an insertion protrusion structure, wherein the insertion fixing groove and the insertion protrusion structure are arranged on the same side of the bottom transverse connecting rod and the top transverse connecting rod and can be fixedly connected in an insertion mode. This striking direction formula high-speed guardrail makes it possess pivoted function through gasbag extrusion formula structure to when rotating, need overcome the frictional resistance between gasbag extrusion formula structure and the slant stand, thereby carry out forward power consumption formula to the vehicle when striking and guide and remove, thereby reduce the serious result that inertia led to vehicle and navigating mate after striking, and slant stand and rubber sleeve are the direction that the slant lane normally goes, when actually taking place the striking, the rotation of rubber sleeve can produce decurrent frictional pressure to the vehicle, reduce the phenomenon that the vehicle takes place the perk at the forward in-process.
Description
Technical Field
The invention relates to the technical field of high-speed guardrails, in particular to an impact guide type high-speed guardrail.
Background
On the expressway, in order to isolate the vehicle that runs to the opposite direction, reduce the emergence of accident, generally all can install the guardrail, current high-speed guardrail major structure includes: the stand column of fixed mounting in ground and the arc iron sheet of fixing on the stand column through the bolt, in case take place the vehicle striking incident, the arc iron sheet can stop it and get into the opposite lane, forces the vehicle to stop.
However, when the high-speed guardrail is impacted by an actual traffic accident, the structure is too single, and when the guardrail is impacted by a vehicle along an oblique angle, the arc-shaped iron sheet is in a fixed suspended state, so that the main structure for stopping the vehicle comes from the upright posts, the vehicle often impacts the upright posts or is blocked between the two upright posts, the contact of the vehicle is hard impact when the vehicle is actually impacted, the impact force cannot be consumed, and the energy of the part can be maximally applied to the vehicle and a driver, so that the life and property safety of personnel is seriously endangered.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the impact guide type high-speed guardrail, which has the rotating function through the air bag extrusion type structure, and when the guardrail rotates, the friction resistance between the air bag extrusion type structure and the inclined upright post is needed to be overcome, so that the forward energy-consumption type guiding movement is carried out on a vehicle during impact, the serious consequences caused by inertia after the impact on the vehicle and a driver are reduced, the inclined upright post and the rubber sleeve are both in the normal running direction of the inclined lane, when the impact actually occurs, the rotation of the rubber sleeve can generate downward friction pressure on the vehicle, the phenomenon that the vehicle is tilted in the forward moving process is reduced, and the technical problem is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a strike direction formula high-speed guardrail, includes bottom transverse connection pole, top transverse connection pole, sets up in bottom transverse connection pole and top transverse connection pole with one side and can insert fixed slot and insert protruding structure, set up in inserting fixed slot and insert the fixed bolt hole of protruding structure and accessible bolt cooperation, set up in bottom transverse connection pole bottom and be used for fixing the mounting structure at ground and be used for fixing the slant stand at bottom transverse connection pole and top transverse connection pole middle part, the contained angle that is located with the horizontal plane between bottom transverse connection pole middle part and the top transverse connection pole middle part is the acute angle, and during the installation, the slant stand right side down and go up in the direction of horizontal direction and the vehicle is unanimous at this lane fore direction of travel, through main bearing installation one with its slant unanimous and accessible high-pressure gas change its center and the gasbag extrusion formula structure of friction dynamics between the slant stand column, be equipped with one in the gasbag extrusion formula structure and can make the one-way get into the inside gas control structure of gasbag extrusion formula structure, the circumference side of gasbag extrusion formula structure is through fixed bonding rubber cover.
Through the technical scheme: through gasbag extrusion formula structure, make it possess pivoted function to when rotating, need overcome the frictional resistance between gasbag extrusion formula structure and the slant stand, thereby carry out forward power consumption formula to the vehicle when striking and guide and remove, thereby reduce the inertia and to the serious result that vehicle and navigating mate lead to after the striking, and, slant stand and rubber sleeve are the direction that the slant lane normally goes, when actually taking place the striking, the rotation of rubber sleeve can produce decurrent frictional pressure to the vehicle, reduces the phenomenon that the vehicle takes place the perk at the forward in-process.
Preferably, after the two impact guide type high-speed guardrails are connected, the longitudinal position of the top end of the rear rubber sleeve and the longitudinal position of the bottom end of the front rubber sleeve are located between the longitudinal positions of the middle section and the top end of the rear rubber sleeve.
Through the technical scheme: when the vehicle obliquely impacts the rubber sleeve along the form road, the rubber sleeve rotates in the oblique direction, and the collision rotation direction of the rubber sleeve is consistent with the running direction of the vehicle, so that the rubber sleeve can generate downward friction resistance to the contact part of the vehicle to guide when rotating, the occurrence rate of tilting of the vehicle is reduced, meanwhile, the space between the two rubber sleeves is limited, the stability is maintained, and meanwhile, the phenomenon that the vehicle is clamped between the two rubber sleeves is prevented.
Preferably, the rubber sleeve is of a sleeve structure made of a rubber material which is wear-resistant and elastic.
Through the technical scheme: the rubber boot is in direct contact with the vehicle at the time of impact, and therefore, in order to secure its working stability, it is required to have functions of wear resistance and elasticity.
Preferably, the oblique upright post forms a plurality of tiny raised structures with uneven height on a cylinder which can be contacted with the air bag extrusion type structure through polishing.
Through the technical scheme: the friction coefficient between the air bag extrusion type structure and the inclined upright post can be increased, so that the resistance of the air bag extrusion type structure during relative rotation is improved, and the force for counteracting the inertia of the vehicle is improved.
Preferably, the gasbag extrusion formula structure includes that the both ends middle part of column body is equipped with a indent and is used for installing the part mounting groove of main bearing outer loop structure respectively, and the both ends center of column body is equipped with a sleeve hole that communicates its both ends face and be used for the clearance cover to put the slant stand, two inside opposite sides of column body just are equipped with corresponding annular and inlay the groove in the periphery of sleeve hole, inlay a rubber circle around the slant stand between two annular and inlay the groove, the column body is at opposite terminal surface fixed mounting have a plurality of strengthening ribs, just the strengthening rib is located the annular structure inside of rubber circle, constitute gas storage chamber between the outer periphery of rubber circle and the inner wall of column body, a gas control structure that can make the one-way entering of high pressure gas to gas storage intracavity is installed to the one end face of column body, the outer periphery of column body is fixed through the adhesive and is glued a rubber sleeve, the column body is the cylinder structure that the hardness is stronger material makes, the rubber circle is wear-resisting and possesses the sleeve structure that the elasticity rubber material makes, the structure radius of sleeve hole is greater than the structure cross section of slant stand.
Through the technical scheme: through the inside injection high-pressure air of high-pressure air pump to gas storage chamber, can make the rubber circle produce the extrusion expansion phenomenon to the center to make the rubber circle inner wall can be extruded in the side of slant stand, improve the relative coefficient of friction between the two, simultaneously, built-in rubber circle inside strengthening rib can improve the stability when the rubber circle rotates and by the stability after the striking, play necessary rotation resistance.
Preferably, the gas control structure comprises a cylindrical shell fixedly mounted inside the upper end face of the cylindrical body in a sealing mode, a spherical space is formed in the center of the inner portion of the cylindrical shell, an air inlet hole used for enabling gas to flow to the center of the bottom end of the spherical space through the upper end face of the cylindrical shell is formed in the cylindrical shell, an air outlet hole used for enabling gas to enter the bottom end of the cylindrical shell from the center of one side of the spherical space is formed in the cylindrical shell, a gravity ball is placed in the spherical space, the structural radius of the spherical space is larger than that of the gravity ball, the structural radius of the gravity ball is larger than that of the air inlet hole and the air outlet hole, and after the gas control structure is mounted, the upper end face and the lower end face of the cylindrical shell are parallel to the ground of a mounting position.
Through the technical scheme: when gas is injected, the gravity ball body is sprung out due to the action of high-pressure gas, and the blocking phenomenon cannot occur due to the position relation of the exhaust holes, so that air can be injected normally, after the injection is finished, the gravity ball body can seal the air inlet hole under the action of gravity and high-pressure gas, and meanwhile, the gravity ball body with middle movement has stronger compression resistance due to the gravity ball body.
Compared with the prior art, the invention provides the impact guide type high-speed guardrail, which has the following beneficial effects:
this striking direction formula high-speed guardrail makes it possess pivoted function through gasbag extrusion formula structure to when rotating, need overcome the frictional resistance between gasbag extrusion formula structure and the slant stand, thereby carry out forward power consumption formula to the vehicle when striking and guide and remove, thereby reduce the serious result that inertia led to vehicle and navigating mate after striking, and slant stand and rubber sleeve are the direction that the slant lane normally goes, when actually taking place the striking, the rotation of rubber sleeve can produce decurrent frictional pressure to the vehicle, reduce the phenomenon that the vehicle takes place the perk at the forward in-process.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention in an air bag extrusion type structure;
FIG. 3 is a longitudinal cross-sectional perspective cross-sectional view of the balloon extrusion of the present invention;
FIG. 4 is a cross-sectional perspective view of the squeeze structure of the air bag of the present invention;
fig. 5 is a cross-sectional view of a gas control structure according to the present invention.
Wherein: 1. a bottom transverse connecting rod; 2. a top transverse connecting rod; 3. a mounting structure; 4. inserting into the fixing groove; 5. inserting a protruding structure; 6. bolt holes; 7. oblique upright posts; 8. a fine protrusion structure; 9. a main bearing; 10. an air bag extrusion type structure; 101. a columnar body; 102. a component mounting groove; 104. trepanning; 105. an annular embedded groove; 106. a rubber ring; 107. reinforcing ribs; 108. a gas storage chamber; 11. a rubber sleeve; 12. a gas control structure; 121. a cylindrical housing; 122. a spherical space; 123. an air inlet hole; 124. an exhaust hole; 125. and (5) a gravity ball.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, an impact guiding high speed guardrail comprises a bottom transverse connecting rod 1, a top transverse connecting rod 2, an insertion fixing groove 4 and an insertion protruding structure 5 which are arranged on the same side of the bottom transverse connecting rod 1 and the top transverse connecting rod 2 and can be fixedly connected in an insertion mode, a bolt hole 6 which is arranged in the insertion fixing groove 4 and the insertion protruding structure 5 and can be matched and fixed through bolts, a mounting structure 3 which is arranged at the bottom of the bottom transverse connecting rod 1 and is used for being fixed on the ground, and an inclined upright post 7 which is used for being fixed at the middle parts of the bottom transverse connecting rod 1 and the top transverse connecting rod 2, wherein the connection between the middle parts of the bottom transverse connecting rod 1 and the middle parts of the top transverse connecting rod 2 is an acute angle with a horizontal plane, and when the impact guiding high speed guardrail is installed, the direction of the right lower part of the inclined upright post 7 in the horizontal direction is consistent with the running direction of a vehicle forwards in a lane, an air bag extrusion type structure 10 which is consistent with the inclined upright post 7 in an inclined way and can change the friction force between the center of the air bag extrusion type structure and the inclined upright post 7 cylinder through high-pressure air is arranged on the cylinder of the inclined upright post 7 through a main bearing 9, an air control structure 12 which can enable the high-pressure air to enter the air bag extrusion type structure 10 in a unidirectional way is arranged in the air bag extrusion type structure 10, a rubber sleeve 11 is fixedly adhered to the circumferential side surface of the air bag extrusion type structure 10 through an adhesive, after two impact guide type high-speed guardrails are connected, the longitudinal position of the top end of the rear rubber sleeve 11 and the longitudinal position of the bottom end of the front rubber sleeve 11 are positioned between the middle section of the rear rubber sleeve 11 and the longitudinal position of the top end of the front rubber sleeve 11, the rubber sleeve 11 is of a sleeve structure made of wear-resistant rubber materials with elasticity, the inclined upright post 7 is polished on a cylinder which can be contacted with the air bag extrusion type structure 10 to form a plurality of tiny raised structures 8 with uneven height.
Referring to fig. 3-4, the air bag extrusion structure 10 includes a column 101, a component mounting groove 102 disposed in the middle of two ends of the column 101 for mounting an outer ring structure of the main bearing 9, a sleeve hole 104 disposed in the center of two ends of the column 101 for connecting two end faces of the column and for receiving the oblique column 7 in a gap manner, corresponding annular inserting grooves 105 disposed on two opposite sides of the column 101 and on the periphery of the sleeve hole 104, a rubber ring 106 disposed between the two annular inserting grooves 105 and surrounding the oblique column 7, a plurality of reinforcing ribs 107 fixedly mounted on the opposite end faces of the column 101, the reinforcing ribs 107 disposed in the annular structure of the rubber ring 106, the outer circumference of the rubber ring 106 and the inner wall of the column body 101 form a closed gas storage cavity 108, a gas control structure 12 which can enable high-pressure gas to enter the gas storage cavity 108 in a unidirectional manner is arranged on one end face of the column body 101, the outer circumference of the column body 101 is fixedly adhered with a rubber sleeve 11 through an adhesive, the column body 101 is of a column body structure made of a material with high hardness, the rubber ring 106 is of a sleeve structure made of a rubber material with wear resistance and elasticity, and the structural radius of the sleeve hole 104 is larger than that of the cross section of the inclined column 7.
Referring to fig. 5, the gas control structure 12 includes a cylindrical housing 121 fixedly mounted in the upper end surface of the cylindrical body 101 in a sealing manner, a spherical space 122 is provided in the center of the interior of the cylindrical housing 121, an air inlet 123 for allowing gas to flow to the bottom center of the spherical space 122 through the upper end surface of the cylindrical housing 121, an air outlet 124 for allowing gas to enter from the center of one side of the spherical space 122 to the bottom end of the cylindrical housing 121 is provided in the interior of the cylindrical housing 121, a gravity sphere 125 is disposed in the interior of the spherical space 122, the structural radius of the spherical space 122 is larger than that of the gravity sphere 125, the structural radius of the gravity sphere 125 is larger than that of the air inlet 123 and the air outlet 124, and after the installation, the upper end and the lower end surfaces of the cylindrical housing 121 are parallel to the ground of the installation site.
When the device is used, firstly, a plurality of devices are arranged beside a high-speed road according to the installation position and the direction, when a vehicle impacts the device in an uncontrolled oblique way, the device is firstly contacted with the rubber sleeve 11, at the moment, the rubber sleeve 11 generates rotary motion under the inertia action of a vehicle body, in the rotary process, the rubber ring 106 and the surface of the oblique upright post 7 generate relative rotary motion under the action of rotary friction resistance, therefore, when the rubber ring 106 rotates, partial inertial traction can be counteracted, the kinetic energy is reduced, in the process, the rubber sleeve 11 rotates in the oblique way, and because the collision rotary direction is consistent with the running direction of the vehicle, the rubber sleeve 11 can generate downward friction resistance guidance on the contact part of the vehicle when rotating, the occurrence rate of vehicle tilting is reduced, the effect of guiding movement is played, and the injury of the impact to the vehicle and drivers is reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a strike direction formula high-speed guardrail, including bottom transverse connection pole (1), top transverse connection pole (2), set up in bottom transverse connection pole (1) and top transverse connection pole (2) same side and can insert fixed slot (4) and insert protruding structure (5), set up in inserting fixed slot (4) and inserting protruding structure (5) and accessible bolt cooperation fixed bolt hole (6), set up in bottom transverse connection pole (1) bottom and be used for fixing at mounting structure (3) on ground and be used for fixing in slant stand (7) at bottom transverse connection pole (1) and top transverse connection pole (2) middle part, its characterized in that: the utility model discloses a car, including bottom transverse connection pole (1), top transverse connection pole (2), bottom transverse connection pole, air bag extrusion formula structure (10) of the friction dynamics between the centre and slant stand (7) cylinder is changed through main bearing (9) installation and its slant to the cylinder of slant stand (7), be equipped with one in the air bag extrusion formula structure (10) and make the one-way gas control structure (12) that enters into air bag extrusion formula structure (10) inside of high pressure gas, the circumference side of air bag extrusion formula structure (10) is through fixed bonding rubber sleeve (11) of adhesive.
2. An impact guide type high speed fence according to claim 1 wherein: after the two impact guide type high-speed guardrails are connected, the longitudinal position of the top end of the rear rubber sleeve (11) and the longitudinal position of the bottom end of the front rubber sleeve (11) are positioned between the longitudinal positions of the middle section and the top end of the rear rubber sleeve (11).
3. An impact guide type high speed fence according to claim 2 wherein: the rubber sleeve (11) is of a sleeve structure made of a wear-resistant elastic rubber material.
4. A crash-oriented high-speed guardrail according to claim 3, characterized by: the inclined upright post (7) is polished on a cylinder which can be contacted with the air bag extrusion type structure (10) to form a plurality of tiny raised structures (8) with uneven height.
5. An impact guide type high speed rail according to claim 4, wherein: the air bag extrusion type structure (10) comprises a columnar body (101), wherein the middle parts of the two ends of the columnar body (101) are respectively provided with a concave part mounting groove (102) for mounting an outer ring structure of the main bearing (9), the centers of the two ends of the columnar body (101) are provided with a sleeve hole (104) which is communicated with the two end faces of the columnar body and is used for being sleeved with an inclined upright post (7) in a clearance mode, two opposite faces of the columnar body (101) are provided with corresponding annular embedded grooves (105) on the periphery of the sleeve hole (104), a rubber ring (106) surrounding the inclined upright post (7) is embedded between the two annular embedded grooves (105), a plurality of reinforcing ribs (107) are fixedly mounted on opposite end faces of the columnar body (101), the reinforcing ribs (107) are located inside the annular structure of the rubber ring (106), a closed gas storage cavity (108) is formed between the outer circumferential face of the rubber ring (106) and the inner wall of the columnar body (101), one end face of the columnar body (101) is provided with a gas control structure (12) which enables high-pressure gas to enter the gas storage cavity (108) in a single direction, and the outer circumferential face of the columnar body (101) is fixedly bonded with the rubber ring (11).
6. An impact guide type high speed rail according to claim 5, wherein: the columnar body (101) is of a columnar structure made of a material with high hardness, and the rubber ring (106) is of a sleeve structure made of a rubber material with wear resistance and elasticity.
7. An impact guide type high speed rail according to claim 6, wherein: the structure radius of the trepanning (104) is larger than that of the cross section of the inclined upright post (7).
8. An impact guide type high speed rail according to claim 7, wherein: the gas control structure (12) comprises a cylindrical shell (121) which is fixedly installed inside the upper end face of the cylindrical body (101) in a sealing mode, a spherical space (122) is arranged in the center of the inside of the cylindrical shell (121), an air inlet hole (123) used for enabling gas to flow to the bottom end center of the spherical space (122) through the upper end face of the cylindrical shell, an air outlet hole (124) used for enabling gas to enter the bottom end of the cylindrical shell (121) from the center of one side of the spherical space (122) is formed in the inside of the cylindrical shell (121), and a gravity ball (125) is placed in the inside of the spherical space (122).
9. An impact guide type high speed rail according to claim 8, wherein: the structural radius of the spherical space (122) is larger than that of the gravity sphere (125), and the structural radius of the gravity sphere (125) is larger than that of the air inlet hole (123) and the air outlet hole (124).
10. An impact guide type high speed rail according to claim 9, wherein: after installation, the upper and lower end surfaces of the cylindrical shell (121) are parallel to the ground of the installation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211069166.XA CN115404804B (en) | 2022-09-02 | 2022-09-02 | Impact guiding type high-speed guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211069166.XA CN115404804B (en) | 2022-09-02 | 2022-09-02 | Impact guiding type high-speed guardrail |
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| Publication Number | Publication Date |
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| CN115404804A CN115404804A (en) | 2022-11-29 |
| CN115404804B true CN115404804B (en) | 2023-10-03 |
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| CN202211069166.XA Active CN115404804B (en) | 2022-09-02 | 2022-09-02 | Impact guiding type high-speed guardrail |
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| CN (1) | CN115404804B (en) |
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| CN115404804A (en) | 2022-11-29 |
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Denomination of invention: A collision guided high-speed guardrail Effective date of registration: 20231225 Granted publication date: 20231003 Pledgee: Yongzhou Xiaoxiang Financing Guarantee Co.,Ltd. Pledgor: Hunan jinbaolian transportation facilities Engineering Co.,Ltd. Registration number: Y2023980073887 |