CN111676869A - Public road bridge roof beam guardrail shock attenuation protection device - Google Patents
Public road bridge roof beam guardrail shock attenuation protection device Download PDFInfo
- Publication number
- CN111676869A CN111676869A CN202010588561.3A CN202010588561A CN111676869A CN 111676869 A CN111676869 A CN 111676869A CN 202010588561 A CN202010588561 A CN 202010588561A CN 111676869 A CN111676869 A CN 111676869A
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- China
- Prior art keywords
- plate
- fixedly connected
- protection device
- spacing axle
- road bridge
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- 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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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
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- 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
-
- 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 bridge guardrails, in particular to a road bridge guardrail damping and protecting device which comprises a bottom plate, shear bolts and a supporting shaft, wherein the middle part of the top end of the bottom plate is connected with an adapter plate through screws, the middle part of the top end of the adapter plate is fixedly connected with a supporting plate, the top end of the supporting plate is fixedly connected with a top plate, the right part of the bottom end of the top plate is fixedly connected with a slide rail, the bottom end of the slide rail is connected with a slide block in a left-right sliding manner, the bottom end of the slide block is fixedly connected with a movable plate, the upper part of the right end of the movable plate is fixedly connected with an air bag, the bottom part of the right end of the movable plate is fixedly connected with a supporting plate, the bottom end of the supporting shaft penetrates through the middle part of the, the bottom of the left end of the movable plate is fixedly connected with a limiting shaft; the safety is higher, and the practicality is higher.
Description
Technical Field
The invention relates to the technical field of bridge guardrails, in particular to a shock absorption protection device for a highway bridge guardrail.
Background
Vehicles run on roads and bridges in the using process of the highway bridge, and in order to avoid the situation that vehicles and pedestrians deviate from the bridges or the roads and cause vehicle damage, guardrails need to be added on the roads and the bridges.
Through the retrieval, patent publication is CN205557389U discloses a novel highway guardrail, including stand, pre-buried base, reflex reflector and dead lever, the column mouting is on pre-buried base, connecting device is installed to the stand both sides, install the dead lever between the stand, and install the rubber post on the stand, install the shock pad on the rubber post, the shock pad sets up to upper and lower two-layer, and is provided with reflex reflector between the two-layer shock pad, left install the support column on the dead lever, install the warning sign on the support column. The utility model discloses, through setting up the shower nozzle, can select to spray the pure water or spray the salt solution according to specific needs, consequently increased the function of highway guardrail, under the prerequisite that possesses the equal intensity of metal rail guard, and its elasticity is stronger, toughness is higher, has the ability that stronger mitigatees the impact, receives to strike the rear surface and is difficult for breaking, reduces the injury that the accident probably caused car and human body, has improved highway's driving safety nature.
It uses the rubber pad to reduce the cushion effect in the use, receives and still can cause great injury to guardrail, car and pedestrian after assaulting, and the security is lower, and the practicality is lower.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the road bridge guardrail damping protection device with higher safety and higher practicability.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a shock absorption and protection device for a road bridge guardrail comprises a bottom plate, a shear bolt and a support shaft, wherein the middle part of the top end of the bottom plate is connected with an adapter plate through a screw, the middle part of the top end of the adapter plate is fixedly connected with a support plate, the top end of the support plate is fixedly connected with a top plate, the right part of the bottom end of the top plate is fixedly connected with a slide rail, the bottom end of the slide rail is connected with a slide block in a left-right sliding manner, the bottom end of the slide block is fixedly connected with a movable plate, the upper part of the right end of the movable plate is fixedly connected with an air bag, the bottom part of the right end of the movable plate is fixedly connected with a support plate, the bottom end of the support shaft penetrates through the middle part of the cantilever plate from the top end of the cantilever plate and is fixedly connected with the top, the bottom of the left end of the movable plate is fixedly connected with a limiting shaft, the left end of the limiting shaft penetrates through the bottom of the supporting plate from the right end of the supporting plate and extends out of the left side of the supporting plate, the outer circumferential wall of the limiting shaft is connected with the bottom of the supporting plate in a left-right sliding mode, a connecting plate is fixedly connected to the upper portion of the left end of the supporting plate, a fixing plate is fixedly connected to the left portion of the top end of the bottom plate, multiple groups of shear bolts are arranged, and the rear end of each shear bolt sequentially penetrates through the left portion of the connecting plate and the left portion of the fixing plate from the front end of the connecting plate and extends out of the rear side of.
Preferably, the bottom end of the movable plate is fixedly connected with a universal ball, and the bottom end of the universal ball is in contact with the top end of the bottom plate.
Preferably, the right part of the top end of the bottom plate is fixedly connected with a wear-resistant layer, and the top end of the wear-resistant layer is contacted with the bottom end of the universal ball.
Preferably, the rear portion of the shear bolt is screwed with nuts, and the front end of each nut is in contact with the rear end of the fixing plate.
Preferably, the bottom end of the bottom plate is fixedly connected with a plurality of groups of barbs which incline from the upper right to the lower left.
Preferably, the top fixedly connected with supporting seat of roof, the middle part horizontal sliding connection of supporting seat has first spacing axle, the bottom right part fixedly connected with guard plate of first spacing axle, the left end of guard plate with the right-hand member contact of gasbag, the spacing axle of bottom fixedly connected with second of guard plate, the left end of the spacing axle of second certainly the left end of fly leaf passes the middle part of fly leaf, and the circumference outer wall of the spacing axle of second with the middle part horizontal sliding connection of fly leaf, the spacing boss of the equal fixedly connected with in left end of first spacing axle and the spacing axle of second.
Preferably, the upper portion of the left end of the movable plate is fixedly connected with a plurality of groups of right clamping seats, the upper portion of the right end of the support plate is provided with a plurality of groups of left clamping seats corresponding to the right clamping seats, the front end of each right clamping seat is hinged with a plate spring, and the left portion of each plate spring is hinged with the front end of each corresponding left clamping seat.
Preferably, the middle part of supporting seat with the first wear-resisting cover of contact department fixedly connected with of first spacing axle, the middle part of fly leaf with the wear-resisting cover of contact department fixedly connected with second of the spacing axle of second, the inner wall of first wear-resisting cover with the outer wall contact of first spacing axle, the inner wall of second wear-resisting cover with the circumference outer wall contact of the spacing axle of second.
(III) advantageous effects
Compared with the prior art, the invention provides a road bridge guardrail damping protection device, which has the following beneficial effects:
this highway bridge guardrail shock attenuation protection device, through after pedestrian and gasbag collide, elasticity through the gasbag slows down partial impact force, through when colliding in vehicle and guardrail side, it is rotatory through the directive wheel, can change the direction of partial impact force, make the vehicle slide along the tangential roll-off of directive wheel, slide on the slide rail through the slider, slider and fly leaf cooperation, and then after the striking, the fly leaf moves left, through the elasticity of spring, and then reduce partial buffer power, further reduce the damaged condition of guardrail, after receiving comparatively strong impact force, shear bolt and the screw fracture of connecting the keysets, and then make the connecting plate move left, and then make whole topple left, cushion the partial component, and reduce the damaged condition of vehicle and guardrail, it is higher to reach the security, the higher effect of practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic top view of the shear bolt, the connecting plate, the fixing plate and the nut of the present invention;
FIG. 5 is a schematic top view of the left and right clamping seats and the plate spring of the present invention;
FIG. 6 is a schematic top view of the support axle and steerable wheel of the present invention;
fig. 7 is a left side view structural diagram of the slide rail and the slide block of the present invention.
In the figure: 1. a base plate; 2. a shear bolt; 3. a support shaft; 4. an adapter plate; 5. a support plate; 6. a top plate; 7. a slide rail; 8. a slider; 9. a movable plate; 10. an air bag; 11. a support plate; 12. a cantilever plate; 13. a steering wheel; 14. a restraining shaft; 15. a connecting plate; 16. a fixing plate; 17. a universal ball; 18. a wear layer; 19. a nut; 20. a barb; 21. a supporting seat; 22. a first limit shaft; 23. a protection plate; 24. a second limit shaft; 25. a right card holder; 26. a left card holder; 27. a plate spring; 28. a first wear sleeve; 29. a second wear sleeve; 31. and a limiting boss.
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.
Example (b):
referring to fig. 1-7, a road bridge guardrail shock absorption protection device comprises a bottom plate 1, a shear bolt 2 and a support shaft 3, wherein the bottom end of the bottom plate 1 is fixedly connected with four barbs 20 which incline from the upper right to the lower left; the barb 20 is matched with the ground, so that the resistance of leftward movement of the bottom plate 1 is improved, the offset of the bottom plate 1 is further reduced, and the effect of further improving the use stability is achieved; the movable plate 9 is supported by rolling between the universal ball 17 and the bottom plate 1, the movable plate 9 is suspended close to the sliding block 8 instead of suspending the movable plate 9, the deformation condition of the movable plate 9 is reduced, and the use reliability of the movable plate 9 is further improved; the wear-resistant layer 18 is contacted with the universal ball 17 to replace the contact between the universal ball 17 and the bottom plate 1, so that the wear of the bottom plate 1 is reduced, the use reliability is improved, the air bag 10 is fixedly connected to the upper part of the right end of the movable plate 9, the supporting plate 11 is fixedly connected to the bottom of the right end of the movable plate 9, the cantilever plate 12 is fixedly connected to the middle part of the right end of the movable plate 9, the bottom end of the supporting shaft 3 penetrates through the middle part of the cantilever plate 12 from the top end of the cantilever plate 12 and is fixedly connected to the top end of the supporting plate 11, five steering wheels 13 are sleeved on the circumferential outer wall of the supporting shaft 3, the middle part of each steering wheel 13 is rotatably connected to the circumferential outer wall of the supporting shaft 3, the limiting shaft 14 is fixedly connected to the bottom of the left end of the movable plate 9, the left end of the limiting shaft 14 penetrates, the upper part of the left end of the support plate 5 is fixedly connected with a connecting plate 15, the left part of the top end of the bottom plate 1 is fixedly connected with a fixed plate 16, three shear bolts 2 are arranged, the rear end of each shear bolt 2 sequentially penetrates through the left part of the connecting plate 15 and the left part of the fixed plate 16 from the front end of the connecting plate 15 and extends out from the rear side of the fixed plate 16, a nut 19 is screwed on the rear part of each shear bolt 2, the front end of each nut 19 is contacted with the rear end of the fixed plate 16, the top end of the top plate 6 is fixedly connected with a supporting seat 21, the middle part of the supporting seat 21 is connected with a first limiting shaft 22 in a left-right sliding mode, the right part of the bottom end of the first limiting shaft 22 is fixedly connected with a protective plate 23, the left end of the protective plate 23 is contacted with the right end of the air bag 10, the bottom end of the protective plate 23 is fixedly connected with a second limiting shaft 24, the left end of the second limiting, the left ends of the first limiting shaft 22 and the second limiting shaft 24 are fixedly connected with limiting bosses 30; the supporting seat 21 is matched with the first limiting shaft 22, the second limiting shaft 24 is matched with the movable plate 9, the lateral deviation condition of the protective plate 23 is reduced, the air bag 10 is protected through the protective plate 23, pedestrians collide with the protective plate 23, and part of external pollutants are protected through the protective plate 23, so that the corrosion condition of the air bag 10 is reduced, and the effect of further improving the use reliability is achieved; the friction between the first limit shaft 22 and the support seat 21 is replaced by the friction between the first wear-resistant sleeve 28 and the first limit shaft 22, the friction between the second limit shaft 24 and the movable plate 9 is replaced by the friction between the second wear-resistant sleeve 29 and the second limit shaft 24, and the friction between the second limit shaft 24 and the movable plate 9 is further reduced, so that the effect of further improving the use reliability is achieved, three right clamping seats 25 are fixedly connected to the upper part of the left end of the movable plate 9, three left clamping seats 26 corresponding to the right clamping seats 25 are arranged on the upper part of the right end of the support plate 5, the front end of each right clamping seat 25 is hinged with a plate spring 27, and the left part of each plate spring 27 is hinged with the front end of each corresponding left clamping seat 26; after the movable plate 9 is moved leftward by the elastic force of the plate spring 27, the upper stability is improved and the practicability is improved by the elastic force of the plate spring 27; the displacement of the shear bolt 2 is limited by the nut 19, so that the shear bolt 2 is prevented from falling off, and the use reliability is further improved; after a pedestrian collides with the air bag 10, part of impact force is relieved through the elasticity of the air bag 10, when the vehicle collides with the side face of the guardrail, the steering wheel 13 rotates, the direction of part of the impact force can be changed, the vehicle slides along the tangential sliding of the steering wheel 13, the slide block 8 slides on the slide rail 7, the slide block 8 is matched with the movable plate 9, the movable plate 9 moves leftwards after the collision, the elastic force of the spring is utilized, part of buffer force is reduced, the damage condition of the guardrail is further reduced, after the strong collision force is received, the shearing-resistant bolt 2 and a screw connected with the adapter plate 4 are broken, the connecting plate 15 moves leftwards, the whole body is inclined leftwards, part component force is buffered, the damage condition of the vehicle is reduced, and the effects of high safety and high practicability are achieved.
In conclusion, the working principle and the working process of the road bridge guardrail damping protection device are that when the device is used, firstly, a user buries the barbs 20 under the ground, after a pedestrian collides with the protection plate 23, the protection plate 23 extrudes the air bags 10, part of impact force is relieved through the elasticity of the air bags 10, when the vehicle collides with the side surface of the guardrail, the direction of part of the impact force can be changed through the rotation of the steering wheel 13, so that the vehicle slides out along the tangential direction of the steering wheel 13, the slide block 8 slides on the slide rail 7, the slide block 8 is matched with the movable plate 9, further, after the collision, the movable plate 9 moves leftwards, part of buffer force is reduced through the elasticity of the spring, the damage condition of the guardrail is further reduced, after the stronger impact force is received, the shearing resistant bolt 2 and the screw for connecting the adapter plate 4 are broken, further, the connecting plate 15 moves leftwards, after part of the force is buffered, the damage to the guardrail and the vehicle is reduced.
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 a public road bridge roof beam guardrail shock attenuation protection device which characterized in that: including bottom plate (1), shear bolt (2) and back shaft (3), there are keysets (4) at the top middle part of bottom plate (1) through the screw connection, top middle part fixedly connected with extension board (5) of keysets (4), top fixedly connected with roof (6) of extension board (5), bottom right part fixedly connected with slide rail (7) of roof (6), the bottom side horizontal sliding connection of slide rail (7) has slider (8), the bottom fixedly connected with fly leaf (9) of slider (8), the right-hand member upper portion fixedly connected with gasbag (10) of fly leaf (9), the right-hand member bottom fixedly connected with backup pad (11) of fly leaf (9), the right-hand member middle part fixedly connected with cantilever plate (12) of fly leaf (9), the bottom of back shaft (3) certainly the top of cantilever plate (12) is passed the middle part of cantilever plate (12) and with the top fixed connection of backup pad (11) is connected with A plurality of groups of steering wheels (13) are sleeved on the outer circumferential wall of the supporting shaft (3), the middle of each steering wheel (13) is rotatably connected with the outer circumferential wall of the supporting shaft (3), a limiting shaft (14) is fixedly connected to the bottom of the left end of the movable plate (9), the left end of the limiting shaft (14) penetrates through the bottom of the supporting plate (5) from the right end of the supporting plate (5) and extends out of the left side of the supporting plate (5), the outer circumferential wall of the limiting shaft (14) is connected with the bottom of the supporting plate (5) in a left-right sliding manner, a connecting plate (15) is fixedly connected to the upper left end of the supporting plate (5), a fixing plate (16) is fixedly connected to the left end of the top end of the bottom plate (1), a plurality of groups of shear bolts (2) are arranged, and the rear end of each shear bolt (2) penetrates through the left portions of the connecting plate (15) and the left portion of the fixing plate (16) from the front end of the connecting plate (15 The rear side of which protrudes.
2. The road bridge guardrail shock absorption protection device of claim 1, wherein: the bottom fixedly connected with universal ball (17) of fly leaf (9), the bottom of universal ball (17) with the top contact of bottom plate (1).
3. The road bridge guardrail shock absorption protection device of claim 2, wherein: the top right part fixedly connected with wearing layer (18) of bottom plate (1), the top of wearing layer (18) with the bottom contact of universal ball (17).
4. The road bridge guardrail shock absorption protection device of claim 3, wherein: nuts (19) are screwed at the rear parts of the shear bolts (2), and the front ends of the nuts (19) are in contact with the rear ends of the fixing plates (16).
5. The road bridge guardrail shock absorption protection device of claim 4, wherein: the bottom end of the bottom plate (1) is fixedly connected with a plurality of groups of barbs (20) which incline from the upper right to the lower left.
6. The road bridge guardrail shock absorption protection device of claim 5, wherein: the top fixedly connected with supporting seat (21) of roof (6), the middle part horizontal sliding connection of supporting seat (21) has first spacing axle (22), the bottom right part fixedly connected with guard plate (23) of first spacing axle (22), the left end of guard plate (23) with the right-hand member contact of gasbag (10), the spacing axle of bottom fixedly connected with second (24) of guard plate (23), the left end of the spacing axle of second (24) certainly the left end of fly leaf (9) is passed the middle part of fly leaf (9), and the circumference outer wall of the spacing axle of second (24) with the middle part horizontal sliding connection of fly leaf (9), the equal fixedly connected with spacing boss (30) of the left end of first spacing axle (22) and the spacing axle of second (24).
7. The road bridge guardrail shock absorption protection device of claim 6, wherein: the upper part of the left end of the movable plate (9) is fixedly connected with a plurality of groups of right clamping seats (25), the upper part of the right end of the support plate (5) is provided with a plurality of groups of left clamping seats (26) corresponding to the right clamping seats (25), the front end of each right clamping seat (25) is hinged with a plate spring (27), and the left part of each plate spring (27) is hinged with the front end of each corresponding left clamping seat (26).
8. The road bridge guardrail shock absorption protection device of claim 7, wherein: the middle part of supporting seat (21) with the first wear-resisting cover of contact department fixedly connected with (28) of first spacing axle (22), the middle part of fly leaf (9) with the wear-resisting cover of contact department fixedly connected with second (29) of the spacing axle of second (24), the inner wall of first wear-resisting cover (28) with the outer wall contact of first spacing axle (22), the inner wall of the wear-resisting cover of second (29) with the circumference outer wall contact of the spacing axle of second (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588561.3A CN111676869A (en) | 2020-06-24 | 2020-06-24 | Public road bridge roof beam guardrail shock attenuation protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588561.3A CN111676869A (en) | 2020-06-24 | 2020-06-24 | Public road bridge roof beam guardrail shock attenuation protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111676869A true CN111676869A (en) | 2020-09-18 |
Family
ID=72436933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010588561.3A Withdrawn CN111676869A (en) | 2020-06-24 | 2020-06-24 | Public road bridge roof beam guardrail shock attenuation protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111676869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356111A (en) * | 2021-07-16 | 2021-09-07 | 王鹏 | Road guardrail device |
-
2020
- 2020-06-24 CN CN202010588561.3A patent/CN111676869A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356111A (en) * | 2021-07-16 | 2021-09-07 | 王鹏 | Road guardrail device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200918 |
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| WW01 | Invention patent application withdrawn after publication |