CN109930482B - Bridge guardrail structure - Google Patents
Bridge guardrail structure Download PDFInfo
- Publication number
- CN109930482B CN109930482B CN201811640308.7A CN201811640308A CN109930482B CN 109930482 B CN109930482 B CN 109930482B CN 201811640308 A CN201811640308 A CN 201811640308A CN 109930482 B CN109930482 B CN 109930482B
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- Prior art keywords
- bridge
- steel plate
- vehicle
- central column
- buffer
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- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 238000013016 damping Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims 2
- 230000035939 shock Effects 0.000 abstract description 23
- 230000003139 buffering effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a bridge guardrail structure, relates to the technical field of bridge protection, and solves the problems that when a vehicle impacts a bridge guardrail, the impact force of the vehicle completely acts on the guardrail, the guardrail is easily damaged, and the vehicle impacts the bridge to cause serious accidents, and the technical scheme is as follows: including moving towards the fender pile and the gusset plate of setting in the bridge below that the interval set up in the bridge both sides along the bridge, the fender pile includes the base, sets up the center post on the base and rotates the shock attenuation sleeve that sets up in the center post outside, the center post passes bridge and gusset plate fixed connection downwards, can unload the power to the vehicle when the vehicle striking, avoids the vehicle to dash down the emergence that the bridge leads to serious accident.
Description
Technical Field
The invention relates to the technical field of bridge protection, in particular to a bridge guardrail structure.
Background
The bridge generally refers to a structure which is erected on rivers, lakes and seas and enables vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass.
The both sides of bridge usually can be provided with the guardrail and prevent that vehicle or pedestrian from dropping from the bridge, but the structure of current bridge guardrail is mostly fairly simple, and when the vehicle striking was on bridge guardrail, the impact of vehicle acted on the guardrail completely, leads to the guardrail to damage very easily, and the vehicle dashes down the bridge and causes serious accident.
Disclosure of Invention
The invention aims to provide a bridge guardrail structure which can unload a vehicle when the vehicle collides and avoid serious accidents caused by the vehicle rushing down a bridge.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a bridge guardrail structure, includes that it sets up the fender pile in the bridge both sides and sets up the gusset plate in the bridge below to move towards the interval along the bridge, the fender pile includes the base, sets up center post on the base and rotates the shock attenuation sleeve that sets up in the center post outside, center post passes bridge and gusset plate fixed connection downwards.
Through adopting above-mentioned technical scheme, the striking direction all has certain contained angle when the vehicle takes place the accident and strikes the fender pile mostly, and the gusset plate can strengthen the intensity of bridge, and shock attenuation sleeve rotates simultaneously and sets up on the center post, and when the vehicle struck the fender pile, the shock attenuation sleeve is rotatory can cushion the vehicle, makes the impact of vehicle can not be acted on the fender pile completely, reduces the possibility of dashing down the bridge when the vehicle struck the fender pile.
Preferably, the damping sleeve comprises an inner steel plate layer and an outer rubber layer, a positioning tray for positioning the steel plate layer is rotatably arranged on the central column, a positioning ring groove for inserting the bottom of the steel plate layer is formed in the positioning tray, and the diameter of the positioning tray is larger than that of the steel plate layer and smaller than that of the rubber layer.
Through adopting above-mentioned technical scheme, through the setting of location tray, the steel deck inserts the positioning ring inslot of location tray, can not influence under the prerequisite of shock attenuation sleeve normal use, can play the drag effect of carrying to shock attenuation sleeve, promotes the stability after the shock attenuation sleeve sets up.
Preferably, a limiting ring is arranged at one end, close to the base, of the central column, a mounting groove for clamping the limiting ring is formed in the bottom of the inner ring of the positioning tray, balls are arranged on the upper end face of the limiting ring, and a rolling groove for rolling the balls is formed in the mounting groove.
Through adopting above-mentioned technical scheme, through setting up the spacing ring, can make things convenient for the location tray directly to take and put and realize fixing on the spacing ring, the ball can reduce the friction when location tray is rotatory simultaneously for location tray and shock attenuation sleeve can rotate better and unload the power.
Preferably, the lower end of the steel plate layer is provided with an inserting column, and the positioning tray is provided with a slot for inserting the inserting column in the positioning ring groove.
Through adopting above-mentioned technical scheme, insert the slot through inserting the post in, can keep positioning tray and shock attenuation telescopic synchronous revolution, avoid producing between positioning tray and the shock attenuation sleeve friction and lead to the telescopic effect of unloading of shock attenuation to descend.
Preferably, a buffer area exists between the central column and the steel plate layer, a plurality of first connecting seats are arranged on the inner ring of the steel plate layer, a plurality of second connecting seats are arranged on the central column, and buffer parts are arranged between the first connecting seats and the second connecting seats.
Through adopting above-mentioned technical scheme, through being provided with between the buffering interval to can set up the bolster in the buffering interval, when the vehicle striking on shock attenuation sleeve, shock attenuation sleeve is rotatory, and the center post is fixed, and the bolster is stretched until the fracture, can turn into potential energy and fracture elimination with the rotatory kinetic energy of shock attenuation sleeve, thereby near further promotion buffering shock attenuation sleeve's buffering effect.
Preferably, the buffer part comprises connecting lugs at two ends, and a first buffer section and a second buffer section which are arranged between the two connecting lugs in parallel, wherein the diameter of the first buffer section is smaller than that of the second buffer section.
Through adopting above-mentioned technical scheme, through setting up the bolster into engaging lug and first buffering section and second buffering section, the engaging lug at both ends forms for welded fastening after establishing first connecting seat and second connecting seat respectively, and first buffering section and second buffering section can be in the rotatory in-process of shock attenuation sleeve successively fracture to play the effect of buffering many times.
Preferably, the base is L-shaped structure, and it is including setting up the fixing base at the bridge floor and the buffer seat parallel with the bridge lateral wall, be provided with the blotter between buffer seat and the bridge lateral wall.
Through adopting above-mentioned technical scheme, when the vehicle striking was on the fender pile, the base can use the center post to carry out slight rotation as the center, and the blotter can play the cushioning effect to the striking of vehicle this moment.
Preferably, the outer ring of the damping sleeve is wavy.
Through adopting above-mentioned technical scheme, can make things convenient for the shock attenuation sleeve to carry out deformation when the vehicle striking shock attenuation sleeve thereby to play the buffering effect to the striking of vehicle.
Preferably, the top of the central column is provided with a breaking prevention fence which connects a plurality of central columns in parallel.
Through adopting above-mentioned technical scheme, through preventing the setting of disconnected fence, can avoid the vehicle striking to cause the direct fracture of center post to cause the emergence of the unable rotation phenomenon of shock attenuation sleeve.
In conclusion, the invention has the following beneficial effects:
1. by arranging the damping sleeve, when a vehicle impacts the damping sleeve, the damping sleeve can rotate to release force, so that the possibility that the vehicle falls off a bridge is reduced;
2. through be provided with between shock attenuation sleeve and the center post between the buffering interval, when the vehicle striking was on shock attenuation sleeve, the bolster in the buffering interval is along with shock attenuation sleeve's rotatory tensile until the fracture, can turn into the potential energy of bolster and fracture elimination with the rotatory kinetic energy of shock attenuation sleeve to improve the power effect of unloading, the possibility of the vehicle bridge that drops is avoided to near step.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an installed cross-sectional view of the present invention;
FIG. 3 is an exploded view of the fender post;
FIG. 4 is a schematic structural view of a buffer member;
fig. 5 is a schematic structural view of the positioning tray.
In the figure, 1, a guard pile; 11. a base; 111. a fixed seat; 112. a buffer seat; 113. a cushion pad; 12. a central column; 121. a limiting ring; 1211. a ball bearing; 122. positioning the tray; 1221. a positioning ring groove; 1222. mounting grooves; 1223. rolling a groove; 1224. a slot; 123. a second connecting seat; 13. a shock-absorbing sleeve; 131. a rubber layer; 132. a steel plate layer; 133. a first connecting seat; 14. a buffer interval; 15. a buffer member; 151. a first buffer section; 152. a second buffer section; 153. connecting lugs; 2. a reinforcing plate; 3. prevent disconnected fence.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the invention provides a bridge guardrail structure, which comprises protection piles 1 arranged on two sides of a bridge at intervals along the moving direction of the bridge, reinforcing plates 2 arranged below the bridge and anti-breaking fences 3 arranged above the protection piles 1 and used for connecting the protection piles 1 in parallel.
Referring to fig. 1 and 2, the fender pile 1 includes a base 11, a central column 12 disposed on the base 11, and a shock-absorbing sleeve 13 rotatably disposed outside the central column 12, the central column 12 and the base 11 are integrally disposed, and two ends of the central column 12 are provided with threads, wherein one end of the central column extends downward through the bridge and is connected and fixed with the reinforcing plate 2 through nuts, the other end of the central column extends upward through the anti-breaking fence 3 and is connected and fixed with the anti-breaking fence 3, the anti-breaking fence 3 is of a hollow structure, and the central column 12 is fixed with the anti-breaking fence 3 through two nuts after passing through the.
The base 11 is an L-shaped structure, and includes a fixed seat 111 disposed on the bridge floor and a buffer seat 112 parallel to the side wall of the bridge, the buffer seat 112 and the fixed seat 111 are integrally disposed, and a buffer cushion 113 fixedly disposed on the buffer seat 112 is disposed between the buffer seat 112 and the side wall of the bridge.
Referring to fig. 2 and 3, the damping sleeve 13 includes an inner steel plate layer 132 and an outer rubber layer 131, the steel plate layer 132 is bonded and fixed to the rubber layer 131, an outer ring of the rubber layer 131 is of a wave-shaped structure, a buffering area 14 exists between the steel plate layer 132 and the central column 12, a plurality of first connecting seats 133 are circumferentially and axially distributed on an inner ring of the steel plate layer 132, a second connecting seat 123 corresponding to the first connecting seat 133 is arranged on the central column 12, and a damping member 15 is arranged between the first connecting seat 133 and the second connecting seat 123.
Referring to fig. 4, the cushion member 15 is made of a steel wire, and includes two connecting lugs 153 at two ends, and a first buffer section 151 and a second buffer section 152 arranged between the two connecting lugs 153 in parallel, wherein the diameter of the first buffer section 151 is smaller than that of the second buffer section 152, and the connecting lugs 153 at two ends are formed by welding and fixing after being wound around the first connecting seat 133 and the second connecting seat 123, respectively.
Referring to fig. 3 and 5, a limit ring 121 is disposed at one end of the stem 12 close to the base 11 in a circumferential protruding manner, a positioning tray 122 is disposed on the limit ring 121, a mounting groove 1222 for the limit ring 121 to be inserted is disposed at the bottom of an inner ring of the positioning tray 122, a ball 1211 is disposed on an upper end surface of the limit ring 121, and a rolling groove 1223 for the ball 1211 to roll is disposed in the mounting groove 1222.
The diameter of location tray 122 is greater than the maximum diameter of steel deck 132 and is less than the maximum diameter of rubber layer 131, and the middle part of location tray 122 up end is seted up and is supplied steel deck 132 lower extreme male positioning ring groove 1221, and steel deck 132 lower extreme equidistant is provided with four and inserts the post, has seted up in the positioning ring groove 1221 and has supplied to insert post male slot 1224.
The use principle is as follows:
when a vehicle impacts on the fender pile 1, the rubber on the rubber layer 131 can deform along the wavy surface and simultaneously carry out rotary stress relief, and the buffer member 15 in the buffer area 14 is stretched under the rotation of the rubber layer 131 and the steel plate layer 132, so that the kinetic energy of the rotation of the steel plate layer 132 is converted into potential energy and eliminated along with the successive fracture of the first buffer section 151 and the second buffer section 152, and the impact force of the vehicle is buffered;
the base 11 can use the center post 12 to carry out the rotation of small range as the center to make blotter 113 produce deformation, can further reduce the impact force of vehicle to fender pile 1, avoid the vehicle to dash the bridge down.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a bridge guardrail structure which characterized in that: the device comprises protective piles (1) arranged on two sides of a bridge at intervals along the moving direction of the bridge and reinforcing plates (2) arranged below the bridge, wherein each protective pile (1) comprises a base (11), a central column (12) arranged on the base (11) and a damping sleeve (13) rotatably arranged on the outer side of the central column (12), and the central column (12) downwards penetrates through the bridge and is fixedly connected with the reinforcing plates (2); the damping sleeve (13) comprises an inner steel plate layer (132) and an outer rubber layer (131), a positioning tray (122) for positioning the steel plate layer (132) is rotatably arranged on the central column (12), a positioning ring groove (1221) for inserting the bottom of the steel plate layer (132) is formed in the positioning tray (122), and the diameter of the positioning tray (122) is larger than that of the steel plate layer (132) and smaller than that of the rubber layer (131); a buffer area (14) is arranged between the central column (12) and the steel plate layer (132), a plurality of first connecting seats (133) are arranged on the inner ring of the steel plate layer (132), a plurality of second connecting seats (123) are arranged on the central column (12), and a buffer part (15) is arranged between the first connecting seats (133) and the second connecting seats (123); the buffer piece (15) comprises connecting lugs (153) at two ends and a first buffer section (151) and a second buffer section (152) which are arranged between the two connecting lugs (153) in parallel, wherein the diameter of the first buffer section (151) is smaller than that of the second buffer section (152).
2. A bridge railing structure according to claim 1 in which: the lower end of the steel plate layer (132) is provided with an inserting column, and the positioning tray (122) is provided with a slot (1224) for inserting the inserting column in the positioning ring groove (1221).
3. A bridge railing structure according to claim 1 in which: the positioning device is characterized in that a limiting ring (121) is arranged at one end, close to the base (11), of the central column (12), a mounting groove (1222) for the limiting ring (121) to be clamped in is formed in the bottom of the inner ring of the positioning tray (122), a rolling ball (1211) is arranged on the upper end face of the limiting ring (121), and a rolling groove (1223) for the rolling ball (1211) to roll is formed in the mounting groove (1222).
4. A bridge railing structure according to claim 1 in which: the base (11) is L type structure, and it is including setting up fixing base (111) at the bridge floor and buffer seat (112) parallel with the bridge lateral wall, be provided with blotter (113) between buffer seat (112) and the bridge lateral wall.
5. A bridge railing structure according to claim 1 in which: the outer ring of the damping sleeve (13) is wavy.
6. A bridge railing structure according to claim 1 in which: the top of the central column (12) is provided with a breaking-proof fence (3) which connects a plurality of central columns (12) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640308.7A CN109930482B (en) | 2018-12-29 | 2018-12-29 | Bridge guardrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640308.7A CN109930482B (en) | 2018-12-29 | 2018-12-29 | Bridge guardrail structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109930482A CN109930482A (en) | 2019-06-25 |
| CN109930482B true CN109930482B (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811640308.7A Active CN109930482B (en) | 2018-12-29 | 2018-12-29 | Bridge guardrail structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109930482B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258327B (en) * | 2019-07-09 | 2020-12-15 | 浙江海洋大学 | Flexible anti-collision guardrail system of cross-sea bridge |
| CN110965468A (en) * | 2019-12-23 | 2020-04-07 | 山东劳动职业技术学院（山东劳动技师学院） | Bridge guardrail |
| CN111764275A (en) * | 2020-07-15 | 2020-10-13 | 干青咏 | Bridge structure system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120022312A (en) * | 2010-09-02 | 2012-03-12 | 김준호 | Shock absorbing apparatus for guide rail |
| CN206859133U (en) * | 2017-06-28 | 2018-01-09 | 多吉泽仁 | A kind of hill path guard rail |
| CN207295557U (en) * | 2017-06-28 | 2018-05-01 | 湖北继昂建设有限公司 | A kind of anti-car hits highway barrier |
| CN207597258U (en) * | 2017-11-08 | 2018-07-10 | 济南金曰公路工程有限公司 | A kind of anticollision Bridge guardrail |
| CN207933913U (en) * | 2018-02-11 | 2018-10-02 | 福建路达交通设施有限公司 | A kind of novel anti-freezing crashworthiness environmental protection EVA columns |
| CN109056523A (en) * | 2018-09-12 | 2018-12-21 | 浙江建设职业技术学院 | A kind of Collison fence for bridge and its construction method |
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| Publication number | Publication date |
|---|---|
| CN109930482A (en) | 2019-06-25 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Bridge Guardrail Structure Effective date of registration: 20231030 Granted publication date: 20201127 Pledgee: Agricultural Bank of China Limited Taishun County sub branch Pledgor: ZHEJIANG WANCHUAN DECORATION DESIGN ENGINEERING CO.,LTD. Registration number: Y2023330002495 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |