CN112144447A - Automobile anti-collision guardrail based on friction buffering - Google Patents
Automobile anti-collision guardrail based on friction buffering Download PDFInfo
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- CN112144447A CN112144447A CN202011012502.8A CN202011012502A CN112144447A CN 112144447 A CN112144447 A CN 112144447A CN 202011012502 A CN202011012502 A CN 202011012502A CN 112144447 A CN112144447 A CN 112144447A
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000006260 foam Substances 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002633 protecting effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- E01F15/02—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
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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
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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
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed 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 discloses an automobile anti-collision guardrail based on friction buffering, which comprises a first guardrail column and a second guardrail column, wherein buffer cavities are formed in one sides of the first guardrail column and the second guardrail column, a buffering device is connected to the inner wall of each buffer cavity in a sliding mode, one end of each buffering device is fixedly connected with a protection steel cable, sliding holes are formed in one sides of the first guardrail and the second guardrail, one end, far away from the buffering device, of each protection steel cable extends to the outside of each buffer cavity through each sliding hole and is connected with the inner wall of each sliding hole in a sliding mode, one end, located outside each buffer cavity, of each protection steel cable penetrates through and is fixedly connected with a foam rod, a buffering pad is fixedly connected to the side face of each foam rod, and a wave protection strip is fixedly connected to one side of each buffering pad. This automobile anticollision barrier based on friction buffering can effectively reduce the thickness of guardrail, can realize the second grade buffering, can slow down the impact to bigger degree, uses safe and reliable, and shock resistance is stronger.
Description
Technical Field
The invention relates to the technical field of highway guardrails, in particular to an automobile anti-collision guardrail based on friction buffering.
Background
With the continuous development of economic construction and increasingly busy traffic transportation, traffic accidents are the most frequent occurrences in road sections or road bridge sections at present. In order to reduce the occurrence of traffic accidents, various guard railings are respectively arranged at the two sides of the road.
According to the Chinese patent CN107503307A, a groove is arranged on an upright post, a fixed block is arranged in the groove, first buffer layers are arranged between the fixed block and the front side wall and the rear side wall of the groove, and the fixed block, the first buffer layers and the upright post are fastened together through a first bolt and a first nut; the fixed block is provided with a containing groove, a rotating rod is arranged in the containing groove, and two partition plates are arranged on the rotating rod; torsion spring is established to the cover on the dwang of division board outside, connects wire rope between the corresponding storage tank of two stands, and wire rope's tip winding is on the dwang of two division board inboards and wire rope's end is fixed with the dwang.
As in chinese patent CN106087806B, the utility model discloses a vehicle bumper shock absorber, by preceding buffer board, the cushion, back buffer board is constituteed, preceding buffer board broad, extremely long, the anticollision area is very big, intensity is stronger, it is few to hand over the interface, preceding buffer board is connected with a large amount of cushions behind one's back, and corresponding back buffer board, the cushion enables preceding buffer board and hangs, relatively fixed, even atress when enabling preceding buffer board to receive the striking, can not take place skew, shift or break away from, each cushion is mutually supported common atress, the combined action, kinetic energy when can be with the vehicle striking turns into elastic potential energy completely.
The guardrail that present highway both sides were used elasticity shock attenuation is usually protected the vehicle that strikes on the guardrail, however, elasticity shock attenuation needs the guardrail to have sufficient thickness to provide the buffer capacity for elastic deformation usually, and guardrail thickness is thicker to occupy more highway area to the guardrail can't hinder the car and slide on the guardrail in the in-process of using, leads to the vehicle to take place to tumble easily, also makes the vehicle follow guardrail top roll-off easily when the guardrail is by the slope of striking.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automobile anti-collision guardrail based on friction buffering, which solves the problems that the guardrails used on two sides of the conventional road usually elastically absorb shock to protect the vehicles impacting on the guardrails, but the elastic shock absorption usually needs enough thickness of the guardrails to provide buffering capacity for elastic deformation, the thicker guardrail occupies more road area, the guardrail cannot block the automobile from sliding on the guardrail in the using process, so that the vehicles are easy to tip over, and the vehicles are easy to slide out from the upper part of the guardrail when the guardrail is inclined due to impact.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an automobile anti-collision guardrail based on friction buffering comprises a first guardrail column and a second guardrail column, wherein buffer cavities are formed in one sides of the first guardrail column and the second guardrail column, a buffering device is connected to the inner wall of the buffer cavities in a sliding manner, a protective steel cable is fixedly connected to one end of the buffering device, sliding holes are formed in one sides of the first guardrail and the second guardrail, one end, away from the buffering device, of the protective steel cable extends to the outer portion of the buffer cavities through the sliding holes and is connected with the inner wall of the sliding holes in a sliding manner, one end, located outside the buffer cavities, of the protective steel cable penetrates through and is fixedly connected with a foam rod, a buffer cushion is fixedly connected to the side face of the foam rod, a wave protection strip is fixedly connected to one side of the buffer cushion, a connecting plate is fixedly connected to one side, away from the buffer cavities, of the first guardrail column is provided with a positioning hole, one, a threaded connecting hole is formed in the inner wall of the connecting groove, a top rod is fixedly connected to one side of the top of the first guardrail column, and one end, far away from the first guardrail column, of the top rod is fixedly connected with one side of the second guardrail column;
the buffer device comprises a threaded column, a fixed plate is fixedly connected to the bottom of the threaded column, a secondary buffer spring is fixedly connected to the top of the fixed plate, a secondary friction plate is fixedly connected to the top of the secondary buffer spring, a secondary sleeve is slidably connected to the top of the secondary friction plate, the secondary sleeve is sleeved on the threaded column and is in threaded connection with the threaded column, a primary buffer spring is fixedly connected to the top of the secondary sleeve, a primary friction plate is fixedly connected to the top of the primary buffer spring, a primary sleeve is slidably connected to the top of the primary friction plate, a driving plate is fixedly connected to the bottom of the primary sleeve, one end, away from the primary sleeve, of the driving plate penetrates through the primary friction plate and is in sliding connection with the inner wall of the primary friction plate, a limiting sleeve is fixedly connected to the part, located inside the primary, the two sides of the top of the limiting sleeve are respectively provided with a limiting groove matched with the driving plate, when an automobile impacts the side surface of the guardrail, the automobile firstly contacts with the wave protection strips on the side surface of the buffer cushion, after the automobile generates pressure on the wave protection strips, the wave protection strips deform and clamp part of the automobile body between the wave protection strips, the wave protection strips generate pressure on the buffer cushion when deforming, the buffer cushion drives the protection steel cable to move through the foam rod after receiving the pressure, the protection steel cable moves and drives the primary sleeve to rotate to release the protection steel cable, the primary sleeve rotates and moves downwards on the threaded column, the primary sleeve moves downwards and drives the driving plate and the primary friction plate to move downwards, the primary friction plate moves downwards and presses the primary buffer spring, the primary buffer spring deforms and gradually contracts under the pressing of the primary friction plate, when the primary buffer spring contracts to the limit, the driving plate is inserted into the limiting groove, the driving plate continues to rotate under the driving of the first-stage sleeve and drives the second-stage sleeve to rotate through the limiting sleeve, the second-stage sleeve moves towards the lower part of the threaded column while rotating, the second-stage sleeve moves while pressing the second-stage friction plate, the second-stage friction plate moves downwards under the pressing of the second-stage sleeve and presses the second-stage buffer spring, the second-stage buffer spring deforms under the pressing of the second-stage friction plate, and when the second-stage buffer is compressed to the limit, the second-stage sleeve stops moving downwards, the protective steel cable can be clamped, the vehicle is intercepted through the clamped protective steel cable, the first-stage buffer spring and the second-stage buffer spring buffer and the friction of the first-stage friction plate and the second-stage friction plate are combined, can slow down the forward impact force of vehicle, can effectively provide cushioning effect to thickness is less, does not occupy too much space, and the result of use is better.
Preferably, the top and the bottom of the threaded column are respectively fixedly connected with the top and the bottom of the inner wall of the buffer cavity, the protection steel cable is fixedly connected with the winding sleeve at one end inside the buffer cavity and is wound on the winding sleeve, and the second-stage buffer spring, the second-stage friction disc, the first-stage buffer spring and the first-stage friction plate are all sleeved outside the threaded column.
Preferably, the tops of the secondary friction plate and the primary friction plate are both provided with friction pads, and the driving plate is arc-shaped, and the radian of the driving plate is the same as that of the threaded column.
Preferably, the buffer cavity is provided with three groups which are uniformly distributed on one side of the first guardrail column and one side of the second guardrail column.
Preferably, the sliding holes on the first guardrail column and the second guardrail column are oppositely arranged.
Preferably, the foam bars are provided with a plurality of groups and are evenly distributed on the protective steel cable.
Preferably, the wave protection strips are provided with a plurality of wave protection strips which are uniformly distributed on the buffer pad, and two ends of two adjacent wave protection strips on the side surface of the buffer pad are connected with each other.
Preferably, the positioning holes and the threaded connecting holes are provided with a plurality of positioning holes and are uniformly distributed on the connecting plate and the connecting groove.
(III) advantageous effects
The invention provides an automobile anti-collision guardrail based on friction buffering. The method has the following beneficial effects:
(1) this automobile anti-collision guardrail based on friction buffering is provided with buffer, can change longitudinal movement's buffer into vertical removal, can effectively reduce the thickness of guardrail, avoids occupying too much highway area.
(2) This automobile anti-collision guardrail based on friction buffering is provided with one-level buffer spring and second grade buffer spring among the buffer, can realize the second grade buffering, can be bigger degree slow down the impact, and the buffering effect is better.
(3) This automobile anticollision barrier based on friction buffering, buffer are provided with three groups and all connect through the protection cable wire, and when the guardrail was strikeed the slope, the cable wire still accessible self deformation was intercepted the car, can avoid the car to slide from the guardrail top, uses more reliably.
(4) This kind of car anticollision barrier based on friction buffering sets up blotter and wave protecting strip, can with the cooperation of protection cable wire, when the vehicle struck to blotter and wave protecting strip on, the deformation of accessible blotter and wave antislip strip, and the cooperation protection cable wire blocks the automobile body, can reduce the relative slip between automobile body and the guardrail, alleviates the automobile body damage.
(5) This automobile anti-collision guardrail based on friction buffering is provided with the ejector pin, and accessible protection cable wire deformation cooperation ejector pin blocks the automobile body when the vehicle strikes the guardrail on, avoids the automobile body to take place the upset, and the protecting effect is better.
(6) This automobile anti-collision guardrail based on friction buffering sets up connecting plate and spread groove, and accessible connecting plate and spread groove link together a plurality of guardrail devices during the use, conveniently improve the shock resistance of guardrail.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention
FIG. 4 is a schematic view of a first guardrail post structure of the present invention;
FIG. 5 is a schematic view of a buffer device according to the present invention;
FIG. 6 is a schematic cross-sectional view of the cushion of the present invention.
In the figure: 1. first guardrail post, 2, second guardrail post, 3, cushion chamber, 4, buffer, 401, threaded post, 403, the fixed plate, 404, second grade buffer spring, 405, the second grade friction disc, 406, the second grade sleeve, 407, one-level buffer spring, 408, one-level friction disc, 409, one-level sleeve, 410, the driver plate, 411, spacing sleeve, 412, spacing groove, 5, the protection cable wire, 6, the slide opening, 7, the foam stick, 8, the blotter, 9, the wave protection strip, 10, the connecting plate, 11, the locating hole, 12, the spread groove, 13, the threaded connection hole, 14, the ejector pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-6, the present invention provides a technical solution: an automobile anti-collision guardrail based on friction buffering comprises a first guardrail column 1 and a second guardrail column 2, wherein buffer cavities 3 are respectively formed in one sides of the first guardrail column 1 and the second guardrail column 2, a buffering device 4 is connected to the inner wall of each buffer cavity 3 in a sliding manner, a protective steel cable 5 is fixedly connected to one end of each buffering device 4, slide holes 6 are respectively formed in one sides of the first guardrail 1 and the second guardrail 2, one end, far away from the buffering device 4, of each protective steel cable 5 extends to the outside of the corresponding buffer cavity 3 through each slide hole 6 and is connected with the inner wall of each slide hole 6 in a sliding manner, one end, located outside the corresponding buffer cavity 3, of each protective steel cable 5 penetrates through and is fixedly connected with a foam rod 7, a buffer cushion 8 is fixedly connected to the side surface of each foam rod 7, a wave protection strip 9 is fixedly connected to one side of each buffer cushion 8, a connecting plate 10 is fixedly connected to one side, far away from the corresponding buffer cavity 3, a positioning hole, a threaded connection hole 13 is formed in the inner wall of the connection groove 12, a top rod 14 is fixedly connected to one side of the top of the first guardrail column 1, one end of the top rod 14, which is far away from the first guardrail column 1, is fixedly connected with one side of the second guardrail column 2, the buffering device 4 comprises a threaded column 401, a fixing plate 403 is fixedly connected to the bottom of the threaded column 401, a second-stage buffering spring 404 is fixedly connected to the top of the fixing plate 403, a second-stage friction plate 405 is fixedly connected to the top of the second-stage buffering spring 404, a second-stage sleeve 406 is slidably connected to the top of the second-stage friction plate 405, the second-stage sleeve 406 is sleeved on the threaded column 401 and is in threaded connection with the threaded column 401, a first-stage buffering spring 407 is fixedly connected to the top of the first-stage buffering spring 407, a first-stage friction plate 408 is fixedly connected to the top of the first-stage friction plate, the part of the top of the secondary sleeve 406, which is positioned inside the primary buffer spring 407, is fixedly connected with a limiting sleeve 411, the limiting sleeve 411 is sleeved on the threaded column 401 and is in sliding connection with the threaded column 401, and two sides of the top of the limiting sleeve 411 are respectively provided with a limiting groove 412 matched with the driving sheet 410.
When the automobile bumper is used, when an automobile collides with the side face of a guardrail, the automobile firstly contacts with the wave protection strips 9 on the side face of the bumper pad 8, after the automobile generates pressure on the wave protection strips 9, the wave protection strips 9 deform and clamp part of an automobile body between the wave protection strips 9, the wave protection strips 9 generate pressure on the bumper pad 8 while deforming, the bumper pad 8 drives the protection steel cable 5 to move through the foam rod 7 after receiving the pressure, the protection steel cable 5 moves and drives the primary sleeve 409 to rotate to release the protection steel cable 5, the primary sleeve 409 moves downwards on the threaded column 401 while rotating, the primary sleeve 409 drives the driving plate 410 and the primary friction plate 408 to move downwards while moving downwards, the primary friction plate 408 presses the primary buffer spring 407 while moving downwards, the primary buffer spring deforms and gradually contracts under the pressing of the primary buffer spring 408, when the primary buffer spring 407 contracts to the limit, the driving plate 410 is inserted into the limiting groove 412, the driving plate 410 is driven by the first-stage sleeve 409 to continuously rotate and drives the second-stage sleeve 406 to rotate through the limiting sleeve 411, the second-stage sleeve 406 moves towards the lower side of the threaded column 401 while rotating, the second-stage sleeve 406 moves while pressing the second-stage friction plate 405, the second-stage friction plate 405 moves downwards under the pressing of the second-stage sleeve 406 and presses the second-stage buffer spring 404, the second-stage buffer spring 404 deforms under the pressing of the second-stage friction plate, when the second-stage buffer spring 404 is compressed to the limit, the second-stage sleeve 406 stops moving downwards, the protective steel cable 5 can be clamped, and the vehicle can be intercepted through the clamped protective steel cable 5.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automobile anti-collision guardrail based on friction buffering, includes first guardrail post (1) and second guardrail post (2), its characterized in that: the guardrail comprises a first guardrail column (1) and a second guardrail column (2), wherein one side of the first guardrail column (1) and one side of the second guardrail column (2) are both provided with a buffer cavity (3), the inner wall of the buffer cavity (3) is connected with a buffer device (4) in a sliding manner, one end of the buffer device (4) is fixedly connected with a protective steel cable (5), one side of the first guardrail column (1) and one side of the second guardrail column (2) are both provided with a sliding hole (6), one end, far away from the buffer device (4), of the protective steel cable (5) extends to the outside of the buffer cavity (3) through the sliding hole (6) and is connected with the inner wall of the sliding hole (6) in a sliding manner, one end, located outside the buffer cavity (3), of the protective steel cable (5) penetrates through and is fixedly connected with a foam rod (7), the side face of the foam rod (7) is fixedly connected with a buffer cushion (8), one side of the wave cushion, a positioning hole (11) is formed in one side of the connecting plate (10), a connecting groove (12) is formed in one side, away from the buffer cavity (3), of the second guardrail column (2), a threaded connecting hole (13) is formed in the inner wall of the connecting groove (12), a push rod (14) is fixedly connected to one side of the top of the first guardrail column (1), and one end, away from the first guardrail column (1), of the push rod (14) is fixedly connected with one side of the second guardrail column (2);
buffer (4) includes screw thread post (401), screw thread post (401) bottom fixedly connected with fixed plate (403), fixed plate (403) top fixedly connected with second grade buffer spring (404), second grade buffer spring (404) top fixedly connected with second grade friction disc (405), second grade friction disc (405) top sliding connection has second grade sleeve (406), second grade sleeve (406) cover on screw thread post (401) and with screw thread post (401) threaded connection, second grade sleeve (406) top fixedly connected with one-level buffer spring (407), one-level buffer spring (407) top fixedly connected with one-level friction disc (408), one-level friction disc (408) top sliding connection has one-level sleeve (409), one-level sleeve (409) bottom fixedly connected with driving plate (410), the one end that one-level sleeve (409) was kept away from to driving plate (410) runs through one-level friction disc (408) and with one-level friction disc (408) Inner wall sliding connection, second grade sleeve (406) top is located the inside part fixedly connected with stop sleeve (411) of one-level buffer spring (407), stop sleeve (411) cover on screw thread post (401) and with screw thread post (401) sliding connection, stop sleeve (411) top both sides all offer with spacing groove (412) of driving plate (410) looks adaptation.
2. The automobile anti-collision guardrail based on friction buffering according to claim 1, characterized in that: threaded column (401) top and bottom respectively with cushion chamber (3) inner wall top and bottom fixed connection, protection cable wire (5) are located inside one end and rolling sleeve (402) fixed connection of cushion chamber (3) and twine on rolling sleeve (402), second grade buffer spring (404), second grade friction disc (405), one-level buffer spring (407) and one-level friction disc (408) all overlap in threaded column (401) outside.
3. The automobile anti-collision guardrail based on friction buffering according to claim 1, characterized in that: the top of the second-stage friction plate (405) and the top of the first-stage friction plate (408) are both provided with friction pads, and the driving plate (410) is arc-shaped and has the radian identical to that of the threaded column (401).
4. The automobile anti-collision guardrail based on friction buffering according to claim 1, characterized in that: the buffer cavity (3) is provided with three groups which are uniformly distributed on one sides of the first guardrail column (1) and the second guardrail column (2).
5. The automobile anti-collision guardrail based on friction buffering according to claim 1, characterized in that: the sliding holes (6) on the first guardrail column (1) and the second guardrail column (2) are arranged oppositely.
6. The automobile anti-collision guardrail based on friction buffering according to claim 1, characterized in that: the foam rods (7) are provided with a plurality of groups and are uniformly distributed on the protective steel cable (5).
7. The automobile anti-collision guardrail based on friction buffering according to claim 1, characterized in that: the wave protection strips (9) are arranged on the cushion pad (8) and are uniformly distributed, and two ends of two adjacent wave protection strips (9) on the side surface of the cushion pad (8) are connected with each other.
8. The automobile anti-collision guardrail based on friction buffering according to claim 1, characterized in that: the positioning holes (11) and the threaded connecting holes (13) are provided with a plurality of holes and are uniformly distributed on the connecting plate (10) and the connecting groove (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011012502.8A CN112144447B (en) | 2020-09-23 | 2020-09-23 | Automobile anti-collision guardrail based on friction buffering |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011012502.8A CN112144447B (en) | 2020-09-23 | 2020-09-23 | Automobile anti-collision guardrail based on friction buffering |
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| CN112144447A true CN112144447A (en) | 2020-12-29 |
| CN112144447B CN112144447B (en) | 2021-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512972A (en) * | 2021-04-20 | 2021-10-19 | 中交第三公路工程局有限公司 | Waveform beam guardrail and reinforcing method |
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| CN211227908U (en) * | 2019-11-13 | 2020-08-11 | 甘肃省武威公路局 | Emergency escape lane based on multi-stage protection |
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|---|---|---|---|---|
| CN204780717U (en) * | 2015-06-06 | 2015-11-18 | 李同芬 | Highway anticollision barrier |
| KR101668000B1 (en) * | 2015-06-11 | 2016-10-20 | 주식회사 두승이엔지 | Guardrail for crossing preventive with bicycle storage and advertisement posting feature |
| CN106836067A (en) * | 2017-03-21 | 2017-06-13 | 安徽卓航展示用品有限公司 | Anticollision barrier |
| CN207672480U (en) * | 2017-12-27 | 2018-07-31 | 陈霞 | A kind of road and bridge anti-collision protection device |
| CN211036814U (en) * | 2019-07-19 | 2020-07-17 | 洛米纳（苏州）电子科技有限公司 | Power equipment with anti-collision guardrail |
| CN211227908U (en) * | 2019-11-13 | 2020-08-11 | 甘肃省武威公路局 | Emergency escape lane based on multi-stage protection |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512972A (en) * | 2021-04-20 | 2021-10-19 | 中交第三公路工程局有限公司 | Waveform beam guardrail and reinforcing method |
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| CN112144447B (en) | 2021-12-07 |
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Effective date of registration: 20211117 Address after: 252500 Suzhou Road, Guanxian Economic Development Zone, Liaocheng City, Shandong Province Applicant after: Shandong xinford Metal Technology Co.,Ltd. Address before: 315000 No.19, Hualou lane, Haishu District, Ningbo City, Zhejiang Province Applicant before: Zhao Bange |
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Denomination of invention: A kind of automobile anti-collision barrier based on friction buffer Effective date of registration: 20220816 Granted publication date: 20211207 Pledgee: Industrial and Commercial Bank of China Limited Guanxian Sub-branch Pledgor: Shandong xinford Metal Technology Co.,Ltd. Registration number: Y2022980012714 |
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