CN110820689A - Rotation type self-resetting bridge pier anti-collision guardrail structure - Google Patents
Rotation type self-resetting bridge pier anti-collision guardrail structure Download PDFInfo
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- CN110820689A CN110820689A CN201911089541.5A CN201911089541A CN110820689A CN 110820689 A CN110820689 A CN 110820689A CN 201911089541 A CN201911089541 A CN 201911089541A CN 110820689 A CN110820689 A CN 110820689A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- General Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a rotary self-resetting bridge pier anti-collision guardrail structure, which comprises an anti-collision mechanism and a buffer mechanism, wherein the buffer mechanism comprises an inner rubber air cushion floating block sleeved outside a pier, a groove steel block and a fixed steel plate, the fixed steel plate is fixed at the inner end of the top of the inner rubber air cushion floating block in an annular structure, and the inner wall of the fixed steel plate is arranged outside the pier and a gap is arranged between the inner wall of the fixed steel plate and the fixed steel plate; the anti-collision mechanism comprises an anti-collision steel plate in an annular structure and an annular sliding block, the inner wall of the anti-collision steel plate is connected with the outer wall of the sliding block through a plurality of steel columns, and the sliding block slides in a matched mode with a sliding groove in the outer wall of the fixed steel plate. According to the anti-collision guardrail structure, the external anti-collision mechanism and the internal buffer mechanism are arranged in a rotating manner, so that the anti-collision guardrail structure has stronger capacity of absorbing energy, and the bow can be pulled away, so that most of the energy is still kept on the ship.
Description
Technical Field
The invention relates to the technical field of bridge pier collision avoidance, in particular to a rotary type self-resetting bridge pier collision avoidance guardrail structure.
Background
In recent years, the economy of China is developed at a high speed, the country vigorously develops transportation resources, and with the improvement of bridge construction technology in China, more and more bridges are built, large-scale cross-sea bridges and a plurality of cross-river bridges which provide transportation paths for urban areas on two sides of rivers in inland areas are also provided. In order to improve the freight efficiency between regions and save the transportation time and cost, the number of bridges crossing the river is increased. However, the bridge needs a channel for water navigation while providing land traffic, and when the ship navigates on water, due to the fact that the channel lacks of an indication mark, the ship may collide with bridge piers of the bridge, so that not only the piers are deformed and damaged, but also the bridge body structure is possibly changed, and even the bridge is broken and collapsed, and the resulting consequences are very serious. And most of the existing large-scale river-crossing bridges are very high in manufacturing cost, and once a bridge collision event occurs, the economic loss is very large. According to actual investigation, most of the previously built bridges are not provided with bridge pier anti-collision facilities, and only a few of the recently built bridges are provided with ship collision prevention facilities. However, the accident that some bridges have ship collision happens, so that the establishment of a stable and efficient bridge ship collision prevention facility under the background is very important.
However, the research on collision avoidance of piers in China is relatively late, most collision avoidance devices are of direct-structure crushing deformation type, energy generated during collision is large, collision avoidance facilities are damaged, frequent maintenance is needed, and damage to ships is relatively large. Therefore, a pier anti-collision guardrail device is needed, which can absorb and buffer energy, and can adjust the steering of the bow, so that most of the energy is left on the ship, the damage to the bridge is reduced, and the damage to the ship is also reduced.
Disclosure of Invention
The invention aims to provide a rotary self-resetting bridge pier anti-collision guardrail structure, which changes direct collision between a ship and a pier into collision of the ship to an external annular structure, and acts on the pier after being buffered by an internal damping structure and an internal rubber air cushion floating block below the internal damping structure, so that most energy is consumed in multiple transmission processes; the rotatable ring structure in outside can make the ship from restoring to the throne for the hull itself takes away most kinetic energy, reduces the harm of striking to the pier.
In order to achieve the purpose, the invention discloses a wheel-rotating type self-resetting bridge pier anti-collision guardrail structure, which comprises an anti-collision mechanism and a buffer mechanism, wherein the buffer mechanism comprises an inner rubber air cushion floating block sleeved outside a pier, a groove steel block and a fixed steel plate, the fixed steel plate is fixed at the inner end of the top of the inner rubber air cushion floating block in an annular structure, and the inner wall of the fixed steel plate is arranged outside the pier and a gap is arranged between the inner wall of the fixed steel plate and the inner rubber air cushion floating block; the fixed steel plate is placed at the outer end of the top of the inner rubber air cushion floating block in an annular structure, a compression spring connected with the fixed steel plate is arranged between the inner wall of the fixed steel plate and the outer wall of the fixed steel plate, and a sliding groove arranged along the circumferential direction of the fixed steel plate is arranged on the outer wall of the fixed steel plate; the anti-collision mechanism comprises an anti-collision steel plate in an annular structure and an annular sliding block, the inner wall of the anti-collision steel plate is connected with the outer wall of the sliding block through a plurality of steel columns, and the sliding block slides in a matched mode with a sliding groove in the outer wall of the fixed steel plate.
And an annular outer rubber air cushion floating block is arranged between the anti-collision steel plate and the sliding block, and a through hole for the steel column to pass through is formed in the side wall of the outer rubber air cushion floating block.
The width of the outer rubber air cushion floating block is smaller than that of the anti-collision steel plate, and a gap is formed between the outer rubber air cushion floating block and the outer end of the inner rubber air cushion floating block.
Eight steel columns are arranged between the anti-collision steel plate and the sliding block in an annular array by taking the axis of the sliding block as the center, one end of each steel column is connected with the middle part of the inner wall of the anti-collision steel plate, and the other end of each steel column is connected with the middle part of the outer wall of the sliding block.
The inner wall of the groove steel block and the outer wall of the fixed steel plate are annularly arrayed with the axis of the fixed steel plate as the center, a plurality of compression springs are arranged above and below the compression springs respectively, and the inclined stay ropes and the straight pull ropes which are used for connecting the inner wall of the groove steel block and the outer wall of the fixed steel plate are arranged above and below the compression springs respectively.
The anti-collision steel plate is a high-yield-strength steel plate.
Compared with the prior art, the invention has the beneficial effects that:
according to the anti-collision guardrail structure, the external anti-collision mechanism and the internal buffer mechanism are arranged in a rotating manner, so that the anti-collision guardrail structure can have strong energy absorption capacity, and the bow can be pulled away, so that most of energy is still kept on a ship; the outer layer of the impact resisting mechanism is provided with the annular anti-collision steel plate, and the annular structure has good anti-collision property, so that the device is firm and is not easy to be damaged by collision, and frequent maintenance is not needed; the outer rubber air cushion floating block is matched with the inner rubber air cushion floating block, so that the impact resisting mechanism and the buffer mechanism can float on the water surface respectively to play a role in bearing the total structural weight; the inner rubber air cushion floating block and the outer rubber air cushion floating block are not connected, no contact friction exists, the anti-collision mechanism and the buffer mechanism can be more easily rotated, and the overall floating structure can automatically adapt to the requirements of water level changes such as rising tide, falling tide and the like.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the mechanism of the resistance device of the present invention;
FIG. 4 is a first schematic view of a buffering mechanism according to the present invention;
FIG. 5 is a second schematic view of a buffering mechanism according to the present invention.
In the figure: 1 annular crashproof steel sheet, the outer annular rubber air cushion floating block of 2, 3 solid steel pipes, 4 wear-resisting annular sliders, 5 wear-resisting recess steel blocks, 6 damping spring devices, 7 upper portion inclined pull ropes, 8 lower part straight pull ropes, 9 interior rubber air cushion floating blocks, 10 fixed steel sheets, 11 piers, 12 spouts.
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.
Referring to fig. 1-5, a rotary self-resetting bridge pier anti-collision guardrail structure comprises an anti-collision mechanism and a buffer mechanism, wherein the buffer mechanism comprises an inner rubber air cushion floating block 9 sleeved outside a pier 11, a groove steel block 5 and a fixed steel plate 10, the fixed steel plate 10 is fixed at the inner end of the top of the inner rubber air cushion floating block 9 in an annular structure, the inner wall of the fixed steel plate 10 is arranged outside the pier 11, a gap is arranged between the inner rubber air cushion floating block 9 and the pier 11, the inner rubber air cushion floating block 9 is connected with the pier 11, and a gap is arranged between the fixed steel plate 10 and the pier 11, so that the force after a ship collides does not directly act on the pier 11, but is firstly buffered by a middle multiple structure to absorb most of; the fixed steel plate 10 is placed at the outer end of the top of the inner rubber air cushion floating block 9 in an annular structure, a compression spring 6 connected with the fixed steel plate is arranged between the inner wall of the fixed steel plate and the outer wall of the fixed steel plate 10, and a sliding groove 12 arranged along the circumferential direction of the fixed steel plate 10 is arranged on the outer wall of the fixed steel plate 10;
the anti-collision guardrail structure comprises an anti-collision steel plate 1 and an annular sliding block 4, wherein the anti-collision steel plate 1 is of an annular structure, the inner wall of the anti-collision steel plate 1 is connected with the outer wall of the sliding block 4 through a plurality of steel columns 3, the sliding block 4 is matched with a sliding groove 12 in the outer wall of a fixed steel plate 10 to slide, and the anti-collision guardrail structure can be rotationally arranged through an external anti-collision mechanism and an internal buffer mechanism, so that the anti-collision guardrail structure can have stronger energy absorption capacity, and can pull the ship head open, so that most of energy is still kept on a ship; the outer layer of the anti-collision mechanism is provided with the annular anti-collision steel plate 1, and the annular structure has good anti-collision property, so that the device is firm and is not easy to be damaged by collision, and frequent maintenance is not needed.
The width of outer rubber air cushion floating block 2 is less than the width of crashproof steel sheet 1, outer rubber air cushion floating block 2 with be equipped with the clearance between the outer end of interior rubber air cushion floating block 9, the disconnected setting between interior, the outer rubber air cushion floating block, contactless friction can make and resist and change the emergence rotation between striking mechanism and the buffer gear, and the totally floats the requirement that the formula structure can adapt to water level variation such as tide and tide that rises automatically.
Eight steel columns 3 are arranged between the anti-collision steel plate 1 and the sliding block 4 in an annular array by taking the axis of the sliding block 4 as the center, one end of each steel column 3 is connected with the middle part of the inner wall of the anti-collision steel plate 1, the other end of each steel column is connected with the middle part of the outer wall of the sliding block 4, the connection strength between the anti-collision steel plates 1 and the sliding block 4 is ensured, and the steel columns 3 can bear enough impact force when the ship impacts the anti-collision steel plates 1.
The inner wall of recess steel block 5 with between the fixed steel sheet 10 outer wall with the axis of fixed steel sheet 10 has a plurality of compression spring 6 as central annular array, compression spring 6's top and below are equipped with respectively and are used for being connected the inner wall of recess steel block 5 with the stay cable 7 and the straight-pull rope 8 of fixed steel sheet 10 outer wall, the position of fixed recess steel block 5 ensures that the ship strikes 1 back recess steel block 5 atress position and changes the back, can automatic re-setting.
The anti-collision steel plate 1 is a high-yield-strength steel plate, such as Q345 steel, Q390 steel or Q420 steel, so as to meet the requirement of directly bearing the impact force of ship impact.
The anti-collision guardrail structure for the bridge pier is used on water and needs to be in contact with the water, so that the waterproof performance and the corrosion resistance of the anti-collision guardrail structure are considered when materials are selected, and the buffer mechanism can be coated with waterproof materials to be used as a protective layer.
The working principle is as follows: when an accident that a ship collides against a pier occurs, the ship firstly directly collides with an anti-collision steel plate 1 in a resisting collision mechanism, the collision transmission can cause an external resisting device mechanism to collide with an internal buffer mechanism, and the internal buffer mechanism has the energy buffered by a damping compression spring 6 and applies rebound force to the ship; the size of the groove of the sliding block 4 and the groove of the groove steel block 5 is approximately matched and matched to slide, so that the inner structure and the outer structure of the anti-collision guardrail can rotate mutually, when a ship collides against the pier 11, the ship collides to drive the external impact resisting mechanism to rotate, the direction of the ship bow is changed, the direction of the ship bow is adjusted, the damage to the bridge can be reduced, and the damage to the ship can be reduced; the compression spring 6, the stay cable 7, the straight pull rope 8 and the lower inner rubber air cushion floating block 9 fix the position of the groove steel block 5 to limit the change of the inner buffer mechanism.
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 (6)
1. The utility model provides a wheel formula is from restoring to throne bridge pier crash barrier structure which characterized in that: comprises an impact resisting mechanism and a buffer mechanism,
the buffer mechanism comprises an inner rubber air cushion floating block (9) sleeved outside a pier (11), a groove steel block (5) and a fixed steel plate (10), the fixed steel plate (10) is fixed at the inner end of the top of the inner rubber air cushion floating block (9) in an annular structure, the inner wall of the fixed steel plate (10) is arranged outside the pier (11), and a gap is formed between the inner wall of the fixed steel plate (10) and the outer wall of the pier (11); the fixed steel plate (10) is placed at the outer end of the top of the inner rubber air cushion floating block (9) in an annular structure, a compression spring (6) connected with the fixed steel plate is arranged between the inner wall of the fixed steel plate and the outer wall of the fixed steel plate (10), and a sliding groove (12) arranged along the circumferential direction of the fixed steel plate (10) is formed in the outer wall of the fixed steel plate (10);
the anti-collision mechanism comprises an anti-collision steel plate (1) in an annular structure and an annular sliding block (4), the inner wall of the anti-collision steel plate (1) is connected with the outer wall of the sliding block (4) through a plurality of steel columns (3), and the sliding block (4) is matched with a sliding groove (12) in the outer wall of the fixed steel plate (10) to slide.
2. The rotary self-resetting bridge pier crash barrier structure of claim 1, wherein: and an annular outer rubber air cushion floating block (2) is arranged between the anti-collision steel plate (1) and the sliding block (4), and a through hole for the steel column (3) to pass through is formed in the side wall of the outer rubber air cushion floating block (2).
3. The rotary self-resetting bridge pier crash barrier structure of claim 2, wherein: the width of the outer rubber air cushion floating block (2) is smaller than that of the anti-collision steel plate (1), and a gap is formed between the outer rubber air cushion floating block (2) and the outer end of the inner rubber air cushion floating block (9).
4. The rotary self-resetting bridge pier crash barrier structure of claim 3, wherein: eight steel columns (3) are arranged between the anti-collision steel plate (1) and the sliding block (4) in an annular array by taking the axis of the sliding block (4) as the center, one end of each steel column (3) is connected with the middle part of the inner wall of the anti-collision steel plate (1), and the other end of each steel column is connected with the middle part of the outer wall of the sliding block (4).
5. The rotary self-resetting bridge pier crash barrier structure of any one of claims 1-4, wherein: the inner wall of recess steel block (5) with between fixed steel sheet (10) outer wall with the axis of fixed steel sheet (10) has a plurality of compression spring (6) as central annular array, the top and the below of compression spring (6) are equipped with respectively and are used for connecting the inner wall of recess steel block (5) with draw rope (7) and straight pull rope (8) to one side of fixed steel sheet (10) outer wall.
6. The rotary self-resetting bridge pier crash barrier structure of claim 5, wherein: the anti-collision steel plate (1) is a high-yield-strength steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911089541.5A CN110820689A (en) | 2019-11-08 | 2019-11-08 | Rotation type self-resetting bridge pier anti-collision guardrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911089541.5A CN110820689A (en) | 2019-11-08 | 2019-11-08 | Rotation type self-resetting bridge pier anti-collision guardrail structure |
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| CN110820689A true CN110820689A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911089541.5A Pending CN110820689A (en) | 2019-11-08 | 2019-11-08 | Rotation type self-resetting bridge pier anti-collision guardrail structure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095483A (en) * | 2020-09-27 | 2020-12-18 | 广州市第二市政工程有限公司 | Method for preventing longitudinal collision of beam bodies of cable-stayed bridge |
| CN112267431A (en) * | 2020-10-10 | 2021-01-26 | 中交一公局集团有限公司 | Anti-collision buffer structure of bridge assembly type lower structure |
| CN112343010A (en) * | 2020-10-30 | 2021-02-09 | 重庆交通大学 | Anti-collision protection device for bridge pier |
| CN113123298A (en) * | 2021-04-29 | 2021-07-16 | 中国市政工程华北设计研究总院有限公司 | Pier buffer stop |
| CN113235521A (en) * | 2021-04-29 | 2021-08-10 | 江西双时科技有限公司 | Adjustable buoyancy FRP buoyancy tank for pier based on flexible anti-collision structure |
| CN113338225A (en) * | 2021-06-10 | 2021-09-03 | 福州大学 | Overwater foundation column impact damage reduction device based on cold pressing principle and assembling method |
| CN113463574A (en) * | 2021-05-24 | 2021-10-01 | 李安娜 | Anti-collision device for offshore pier |
| CN113653011A (en) * | 2021-09-28 | 2021-11-16 | 江西省交通运输科学研究院有限公司 | Pier buffer stop |
| CN114941343A (en) * | 2022-06-29 | 2022-08-26 | 江苏科技大学 | Multi-surface buffering type offshore wind power single-pile foundation anti-collision device |
| CN115217076A (en) * | 2021-10-01 | 2022-10-21 | 河北胜特科技有限公司 | Self-adaptive pier anti-collision device |
-
2019
- 2019-11-08 CN CN201911089541.5A patent/CN110820689A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095483A (en) * | 2020-09-27 | 2020-12-18 | 广州市第二市政工程有限公司 | Method for preventing longitudinal collision of beam bodies of cable-stayed bridge |
| CN112267431A (en) * | 2020-10-10 | 2021-01-26 | 中交一公局集团有限公司 | Anti-collision buffer structure of bridge assembly type lower structure |
| CN112343010A (en) * | 2020-10-30 | 2021-02-09 | 重庆交通大学 | Anti-collision protection device for bridge pier |
| CN112343010B (en) * | 2020-10-30 | 2022-02-11 | 重庆交通大学 | Anti-collision protection device for bridge pier |
| CN113123298A (en) * | 2021-04-29 | 2021-07-16 | 中国市政工程华北设计研究总院有限公司 | Pier buffer stop |
| CN113235521A (en) * | 2021-04-29 | 2021-08-10 | 江西双时科技有限公司 | Adjustable buoyancy FRP buoyancy tank for pier based on flexible anti-collision structure |
| CN113463574A (en) * | 2021-05-24 | 2021-10-01 | 李安娜 | Anti-collision device for offshore pier |
| CN113338225A (en) * | 2021-06-10 | 2021-09-03 | 福州大学 | Overwater foundation column impact damage reduction device based on cold pressing principle and assembling method |
| CN113653011A (en) * | 2021-09-28 | 2021-11-16 | 江西省交通运输科学研究院有限公司 | Pier buffer stop |
| CN115217076A (en) * | 2021-10-01 | 2022-10-21 | 河北胜特科技有限公司 | Self-adaptive pier anti-collision device |
| CN114941343A (en) * | 2022-06-29 | 2022-08-26 | 江苏科技大学 | Multi-surface buffering type offshore wind power single-pile foundation anti-collision device |
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