CN116905411A - Anti-collision frame for transportation - Google Patents
Anti-collision frame for transportation Download PDFInfo
- Publication number
- CN116905411A CN116905411A CN202310918527.1A CN202310918527A CN116905411A CN 116905411 A CN116905411 A CN 116905411A CN 202310918527 A CN202310918527 A CN 202310918527A CN 116905411 A CN116905411 A CN 116905411A
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- China
- Prior art keywords
- frame
- base
- mounting
- energy
- energy absorbing
- 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.)
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- 239000007788 liquid Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 230000003139 buffering effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 239000012634 fragment Substances 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 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
- E01F15/003—Individual devices arranged in spaced relationship, e.g. buffer bollards
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention relates to the technical field of traffic anti-collision frames, and discloses a traffic anti-collision frame which comprises a base, a supporting mechanism and an energy absorbing mechanism, wherein the base is provided with a supporting seat; the support mechanism comprises a support plate fixedly connected to the middle part of the base, and walking components are arranged on two sides of the base; the energy-absorbing mechanism comprises a mounting plate detachably connected with a supporting plate, one side, away from the center of the base, of the mounting plate is provided with a mounting frame, a spring buffer assembly for energy absorption is arranged between the mounting frame and the mounting plate, one side, away from the center of the base, of the mounting frame is provided with a stand column, the end part of the stand column is fixedly connected with an arc-shaped backboard, one side, away from the center of the base, of the arc-shaped backboard is uniformly distributed with a plurality of mounting frames, and an energy-absorbing roller is rotationally connected on the mounting frames. The invention is suitable for the anti-collision frame for transportation, improves the contact area and reduces the pressure by arranging the liquid storage tank to be communicated with the energy absorbing roller, and can greatly improve the energy absorbing effect of the whole anti-collision frame by breaking fragments on the liquid storage tank and reduce the damage of the anti-collision frame to vehicles.
Description
Technical Field
The invention relates to the technical field of traffic collision avoidance, in particular to a collision avoidance for traffic transportation.
Background
Traffic is an engineering field for researching the layout and construction of railway, highway, waterway and air transportation infrastructure, and carrying tool operation engineering, traffic information engineering and control, traffic management and management. In the curve part of some highways, some drivers may have the problem of untimely braking under the condition of insufficient reaction, and an anti-collision frame is required to be arranged at the roadside at the moment, so that the danger of the vehicles driving out of the roads is avoided.
Some existing anti-collision frames are only simple baffles and even cement piers, have poor energy absorption effect although having blocking effect, only can ensure that a vehicle can not leave a road, but can collide with the vehicle, so that the damage to the vehicle is large, and therefore, the anti-collision frames need to be improved.
Disclosure of Invention
The invention provides a collision avoidance frame for transportation, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a collision avoidance frame for transportation comprises a base, a supporting mechanism and an energy absorbing mechanism;
the support mechanism comprises a support plate fixedly connected to the middle part of the base, and walking components are arranged on two sides of the base;
the energy-absorbing mechanism comprises a mounting plate detachably connected with a supporting plate, a mounting frame is arranged on one side, away from the center of the base, of the mounting plate, a spring buffer assembly for energy absorption is arranged between the mounting frame and the mounting plate, a stand column is arranged on one side, away from the center of the base, of the mounting frame, an arc-shaped backboard is fixedly connected with the end of the stand column, a plurality of mounting frames are uniformly distributed on one side, away from the center of the base, of the arc-shaped backboard, an energy-absorbing roller is rotationally connected on the mounting frames, the energy-absorbing roller is of a deformable hollow structure, a liquid storage tank is arranged on one side, close to the center of the base, of the arc-shaped backboard, and the liquid storage tank is communicated with the energy-absorbing roller through a liquid guide tube.
As a preferable technical scheme of the invention, the rotation center line of the arc-shaped backboard is arranged in parallel with the rotation center line of the energy absorbing roller.
As a preferable technical scheme of the invention, the energy absorbing roller is of a cylindrical structure, and anti-slip teeth are arranged outside the energy absorbing roller.
As a preferable technical scheme of the invention, the side wall of the liquid storage tank is provided with a crushing block for compression crushing.
As a preferable technical scheme of the invention, the spring buffer assembly comprises a supporting block fixedly connected with the mounting plate, a guide post is fixedly connected to the supporting block, a fixed supporting rod is fixedly connected to one side of the guide post, one end of the fixed rod, which is far away from the guide post, is rotationally connected with the mounting frame, one side of the guide post, which is far away from the fixed supporting rod, is slidingly connected with a sliding seat, the side surface of the sliding seat is rotationally connected with one end of the deflection supporting rod, the other end of the deflection supporting rod is rotationally connected with the mounting frame, and a buffer spring for driving the sliding seat to move towards the direction of the fixed supporting rod is arranged between the sliding seat and the supporting block.
As a preferable technical scheme of the invention, the middle part of the supporting plate is provided with a through hole, the middle part of the mounting plate is provided with a mounting rod, and the mounting rod penetrates through the through hole.
As a preferable technical scheme of the invention, one side of the mounting plate, which is close to the supporting plate, is provided with a buffer block, and the supporting plate is provided with a limit groove matched with the buffer block.
As a preferable technical scheme of the invention, a reinforcing rib is arranged between the supporting plate and the base.
As a preferable technical scheme of the invention, the walking assembly comprises a rotating seat arranged on the side edge of the base, the rotating seat is rotationally connected with a rotating block, the end part of the rotating block is rotationally connected with a wheel frame, and the wheel frame is rotationally connected with walking wheels.
The invention has the following advantages:
the invention is suitable for the anti-collision frame for transportation, and by arranging the liquid storage tank and the energy-absorbing rollers for conduction, the energy-absorbing rollers with different heights can be effectively contacted with a vehicle, the contact area is increased, the pressure intensity is reduced, the broken fragments on the liquid storage tank are broken, the energy-absorbing effect of the whole anti-collision frame can be greatly improved, and the damage of the anti-collision frame to the vehicle is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a collision avoidance frame for transportation.
Fig. 2 is a front view of a bumper for transportation.
Fig. 3 is a schematic structural view of a supporting mechanism in a collision avoidance for transportation.
Fig. 4 is an enlarged partial schematic view of fig. 3 a.
FIG. 5 is a schematic structural view of an energy absorbing mechanism in a bumper for transportation.
Fig. 6 is a schematic structural view of the cooperation of the mounting plate and the support plate in the collision avoidance for transportation.
Fig. 7 is a schematic structural view of an arc-shaped back plate in a collision avoidance frame for transportation.
Fig. 8 is a schematic structural view of a liquid storage tank in a collision avoidance for transportation.
Fig. 9 is a schematic structural view of an energy absorbing roller in a crash barrier for transportation.
In the figure: 1. a base; 2. a support mechanism; 3. an energy absorbing mechanism; 4. a walking assembly; 5. reinforcing ribs; 6. a support plate; 7. a through hole; 8. a rotating seat; 9. a rotating block; 10. wheel frame; 11. a walking wheel; 12. a mounting plate; 13. a buffer block; 14. a mounting rod; 15. a limit groove; 16. a support block; 17. a guide post; 18. a sliding seat; 19. a buffer spring; 20. a deflection support rod; 21. a mounting frame; 22. fixing the support rod; 23. a relief hole; 24. an arc-shaped backboard; 25. a column; 26. a mounting frame; 27. an energy absorbing roller; 28. a catheter; 29. a liquid storage tank; 30. breaking fragments; 31. a liquid supplementing nozzle; 32. anti-slip teeth; 33. and a spring buffer assembly.
Detailed Description
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.
In one embodiment, referring to fig. 1-9, a collision avoidance frame for transportation includes a base 1, a supporting mechanism 2, and an energy absorbing mechanism 3;
the support mechanism 2 comprises a support plate 6 fixedly connected to the middle part of the base 1, the base 1 is of a flat plate structure which is horizontally arranged, the support plate 6 which faces forwards and backwards is vertically arranged in the middle part of the upper surface of the base 1, a reinforcing rib 5 is arranged between the support plate 6 and the base 1, the reinforcing rib 5 can ensure that the support plate 6 is in a vertical state, the stability of the whole anti-collision frame is maintained when the whole anti-collision frame is stressed, and walking assemblies 4 are arranged on the front side and the rear side of the left side and the right side of the base 1;
the energy absorbing mechanism 3 comprises a mounting plate 12 detachably connected with the supporting plate 6, the mounting plate 12 is vertically arranged at the left side of the supporting plate 6, a spring buffer component 33 is arranged at the left side of the mounting plate 12, the left side of the spring buffer component 33 is connected with a mounting frame 21, the spring buffer component 33 can change the included angle between the mounting frame 21 and the mounting plate 12, thereby the effect of energy absorption is achieved, a yielding hole 23 is arranged in the middle of the mounting frame 21, thereby the weight of the mounting frame 21 is reduced on the premise of ensuring the strength, four upright posts 25 are arranged at the left side and the right side of the four corners of the left side of the mounting frame 21, the left ends of the upright posts 25 are fixedly connected with an arc-shaped backboard 24, the opening part of the arc-shaped backboard 24 is arranged towards the left side, a plurality of mounting frames 26 are uniformly distributed at the left side of the arc-shaped backboard 24, energy absorbing rollers 27 are rotationally connected on the mounting frames 26, the energy absorbing rollers 27 are in a cylinder structure, the outer part of the energy absorbing roller 27 is provided with anti-slip teeth 32, the rotation center line of the arc-shaped backboard 24 is parallel to the rotation center line of the energy absorbing roller 27, so the energy absorbing roller 27 is arranged up and down, the energy absorbing roller 27 is arranged on the left side of the arc-shaped backboard 24 in a row and line way, a liquid storage tank 29 is arranged on the right side of the arc-shaped backboard 24, the liquid storage tank 29 is connected with the energy absorbing roller 27 through a liquid guide pipe 28, a whole row of energy absorbing rollers 27 from top to bottom is connected in one liquid storage tank 29, the energy absorbing roller 27 is made of plastic or rubber materials, the energy absorbing roller 27 is of a hollow structure, liquid is stored in the energy absorbing roller 27 and the liquid storage tank 29 for balancing pressure, or air is directly used as a medium for balancing pressure, so the pressures of different positions are the same, when the liquid is required to be added into the liquid storage tank 29, a liquid supplementing nozzle 31 can be arranged above the liquid storage tank 29, the operation of adding liquid into the liquid storage tank 29 is performed through the liquid supplementing nozzle 31, so that when the liquid storage tank 29 is extruded by external force, the energy absorbing rollers 27 deform by a certain amount, the space inside the energy absorbing rollers 27 is changed, the pressure in the liquid storage tank 29 is changed, at the moment, the energy absorbing rollers 27 from top to bottom are all connected into one liquid storage tank 29, the energy absorbing rollers 27 from top to bottom are isobaric, at the moment, after the extruded energy absorbing rollers 27 deform and are compressed, the other energy absorbing rollers 27 expand under the change of the internal pressure, so that the plurality of energy absorbing rollers 27 can better contact with the side face of a collided vehicle, the contact area between the energy absorbing rollers 27 and the side face of the vehicle is increased, the pressure is reduced, and the protection treatment on the vehicle is better.
In one case of this embodiment, after the pressure that the liquid storage tank 29 and the energy-absorbing roller 27 receive is far beyond the mechanical properties of the materials, the energy-absorbing roller 27 and the liquid storage tank 29 will have a problem of breaking, in order to make the whole device capable of realizing the effect of recycling, a broken piece 30 may be disposed on the side wall of the liquid storage tank 29, and the mechanical properties of the broken piece 30 are worse than those of the energy-absorbing roller 27 and the liquid storage tank 29, so when receiving a larger pressure, the broken piece 30 will break first, thereby protecting the energy-absorbing roller 27 and the liquid storage tank 29, so that the whole device can be reused, and only the broken piece 30 needs to be replaced.
In one case of this embodiment, the spring buffering component 33 includes a supporting block 16 fixedly connected with the mounting plate 12, a guide post 17 is fixedly connected to the supporting block 16, the guide post 17 is disposed on the upper and lower sides of the left side surface of the mounting plate 12 and is oriented back and forth, and both front and rear ends of the guide post 17 are fixedly connected with the supporting block 16, the right end of a fixing support rod 22 oriented left and right is fixedly connected with the front side of the guide post 17, the left end of the fixing support rod 22 is rotationally connected with the front side of the mounting frame 21, the rear side of the guide post 17 is rotationally connected with the sliding seat 18, the left end of the sliding seat 18 is rotationally connected with the right end of the deflecting support rod 20, and a buffering spring 19 is disposed between the rear side supporting block 16 and the sliding seat 18, so when the left side of the mounting frame 21 receives impact force, the sliding seat 18 slides back along the guiding rod, and the buffering spring 19 deforms at this time to realize the effect of absorbing energy.
In one case of this embodiment, the middle part of the supporting plate 6 is provided with a through hole 7, the middle part of the mounting plate 12 is provided with a mounting rod 14, and the mounting rod 14 penetrates through the through hole 7. Through setting up through-hole 7 and installing pole 14 and be connected to make mounting panel 12 can realize the effect of upset from top to bottom, when the mode like fig. 3 sets up, can be convenient for the vehicle at this moment strike from the left front of crashproof frame, can incline to the right rear after the installation frame 21 receives the impact force at first, the direction of travel of vehicle can change this moment, thereby realize the effect of direction, make the vehicle get back to the road again and go, avoided rigid collision, the effect of buffering has been improved, therefore can put the position on the bend according to crashproof frame, and the orientation and the angle of installation frame 21 are rationally adjusted according to the direction of striking vehicle.
In one case of this embodiment, a buffer block 13 is disposed on a side of the mounting plate 12 near the support plate 6, and a limit groove 15 matched with the buffer block 13 is disposed on the support plate 6. On the one hand, the buffer block 13 can fix the upper and lower directions of the mounting plate 12 after being placed into the limit groove 15, so that the whole anti-collision frame can work stably, and on the other hand, the buffer block 13 is arranged between the mounting plate 12 and the support plate 6, and the deformation of the buffer block 13 can still realize the energy absorption effect, so that the energy absorption effect of the whole anti-collision frame is improved.
In one case of this embodiment, the walking assembly 4 includes a rotating base 8 disposed on a side of the base 1, the rotating base 8 is rotatably connected with a rotating block 9, an end of the rotating block 9 is rotatably connected with a wheel frame 10, and the wheel frame 10 is rotatably connected with a walking wheel 11. When rotatory rotating block 9 upwards, walking wheel 11 can be with ground disconnection, and whole base 1 can be stable place subaerial this moment, when needs remove whole crashproof frame, can counter-rotating block 9 for rotating block 9 sets up downwards, and the lower surface of base 1 can be laminated to the upper end of rotating block 9 this moment, thereby makes rotating block 9 and walking wheel 11 can be stable prop up base 1, makes base 1 can remove subaerial, makes the removal of whole crashproof frame more convenient.
In the implementation process of the embodiment, the whole anti-collision frame is moved to the outer side of a curve of a road through the traveling assembly 4, the mounting plate 12 is moved to the left side, so that the buffer cushion block and the limiting groove 15 are separated, whether the sliding seat 18 is positioned at the rear side or the front side is selected according to the traveling direction of a vehicle at the outermost side of the curve, and the anti-collision frame can work normally after the adjustment is completed.
When a vehicle collides with the energy absorbing roller 27 on the arc-shaped backboard 24, the energy absorbing roller 27 firstly contacted is compressed and reduced, other energy absorbing rollers 27 are compressed and enlarged under the action of the liquid storage tank 29, so that a plurality of energy absorbing rollers 27 up and down can be well contacted with the vehicle, the energy absorbing rollers 27 can rotate at the moment, the front and back adjacent energy absorbing rollers 27 have included angles due to the self angle problem of the arc-shaped backboard 24, meanwhile, the mounting frame 21 can be pressed to move to the right side, the sliding seat 18 moves backwards, the mounting frame 21 rotates clockwise in top view, the impact direction of the vehicle impacted from left to right is changed from right to right, at the moment, the vehicle can move along the arc-shaped backboard 24 from front to back under the rotation of the energy absorbing rollers 27, the impact energy is continuously absorbed in the moving process, and the traveling direction of the vehicle can also change, so that the vehicle can move downwards on a subsequent road of a curve again after the vehicle is separated from the anti-collision frame, namely the vehicle returns to the traveling process of the road again.
When the impact force of the vehicle exceeds the energy absorption upper limit of the anti-collision frame, the crushing blocks 30 in the liquid storage tank 29 are crushed, so that the energy absorption roller 27 is subjected to limited deformation, and the effective energy absorption treatment is still performed through the crushing of the crushing blocks 30 and the rapid outflow of the liquid in the liquid storage tank 29, and the vehicle is stopped in a state of being attached to the arc-shaped backboard 24 along with the reduction of the impact energy, so that the whole impact action is completed.
The invention is suitable for the anti-collision frame for transportation, and by arranging the liquid storage tank 29 and the energy absorbing rollers 27 to be communicated, the energy absorbing rollers 27 with different heights can be effectively contacted with the vehicle, the contact area is increased, the pressure intensity is reduced, the energy absorbing effect of the whole anti-collision frame can be greatly improved by crushing the crushing blocks 30 on the liquid storage tank 29, and the damage of the anti-collision frame to the vehicle is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The anti-collision frame for transportation is characterized by comprising a base, a supporting mechanism and an energy absorbing mechanism;
the support mechanism comprises a support plate fixedly connected to the middle part of the base, and walking components are arranged on two sides of the base;
the energy-absorbing mechanism comprises a mounting plate detachably connected with a supporting plate, a mounting frame is arranged on one side, away from the center of the base, of the mounting plate, a spring buffer assembly for energy absorption is arranged between the mounting frame and the mounting plate, a stand column is arranged on one side, away from the center of the base, of the mounting frame, an arc-shaped backboard is fixedly connected with the end of the stand column, a plurality of mounting frames are uniformly distributed on one side, away from the center of the base, of the arc-shaped backboard, an energy-absorbing roller is rotationally connected on the mounting frames, the energy-absorbing roller is of a deformable hollow structure, a liquid storage tank is arranged on one side, close to the center of the base, of the arc-shaped backboard, and the liquid storage tank is communicated with the energy-absorbing roller through a liquid guide tube.
2. The crash-proof frame for transportation according to claim 1, wherein the energy absorbing roller has a cylindrical structure, and the outer part of the energy absorbing roller is provided with anti-slip teeth.
3. The crash frame for transportation as recited in claim 2 wherein a center line of revolution of said arcuate back plate is disposed parallel to a center line of revolution of said energy absorbing roller.
4. The crash barrier for transportation as recited in claim 1 wherein said tank side wall is provided with crushing blocks for crushing under pressure.
5. The anti-collision frame for transportation according to claim 1, wherein the spring buffering assembly comprises a supporting block fixedly connected with the mounting plate, a guide post is fixedly connected to the supporting block, a fixed supporting rod is fixedly connected to one side of the guide post, one end of the fixed rod, far away from the guide post, is rotationally connected with the mounting frame, one side of the guide post, far away from the fixed supporting rod, is slidingly connected with a sliding seat, one end of the sliding seat is rotationally connected with the one end of the deflection supporting rod, the other end of the deflection supporting rod is rotationally connected with the mounting frame, and a buffering spring for driving the sliding seat to move towards the direction of the fixed supporting rod is arranged between the sliding seat and the supporting block.
6. The traffic collision avoidance frame of claim 5 wherein the middle of the support plate is provided with a through hole, the middle of the mounting plate is provided with a mounting rod, and the mounting rod is connected through the through hole.
7. The traffic collision avoidance frame of claim 1 wherein the mounting plate is provided with a buffer block on a side thereof adjacent to the support plate, and a limit groove is provided on the support plate for cooperating with the buffer block.
8. The traffic collision avoidance frame of claim 1 wherein a reinforcing bar is provided between the support plate and the base.
9. The traffic collision avoidance frame of claim 1 wherein the travel assembly comprises a rotatable base disposed on a side of the base, the rotatable base rotatably coupled to the rotatable block, the rotatable block rotatably coupled to the end of the rotatable block to a wheel frame rotatably coupled to the travel wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310918527.1A CN116905411A (en) | 2023-07-25 | 2023-07-25 | Anti-collision frame for transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310918527.1A CN116905411A (en) | 2023-07-25 | 2023-07-25 | Anti-collision frame for transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116905411A true CN116905411A (en) | 2023-10-20 |
Family
ID=88366542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310918527.1A Withdrawn CN116905411A (en) | 2023-07-25 | 2023-07-25 | Anti-collision frame for transportation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116905411A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118127971A (en) * | 2024-05-06 | 2024-06-04 | 保利长大工程有限公司 | Enhanced anti-collision guardrail for expressway |
-
2023
- 2023-07-25 CN CN202310918527.1A patent/CN116905411A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118127971A (en) * | 2024-05-06 | 2024-06-04 | 保利长大工程有限公司 | Enhanced anti-collision guardrail for expressway |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20231020 |
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| WW01 | Invention patent application withdrawn after publication |