CN110344318A - A kind of anti-collision bridge pier - Google Patents
A kind of anti-collision bridge pier Download PDFInfo
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- CN110344318A CN110344318A CN201910629626.1A CN201910629626A CN110344318A CN 110344318 A CN110344318 A CN 110344318A CN 201910629626 A CN201910629626 A CN 201910629626A CN 110344318 A CN110344318 A CN 110344318A
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- collision
- bridge pier
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- magnetic
- cavity
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/01—Magnetic additives
-
- 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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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
A kind of anti-collision bridge pier of the invention, comprising: bridge pier main body and cyclic annular anti-collision body, anti-collision body are separated into upper and lower two parts by the first elastic baffle of annular；The upper part of anti-collision body is separated into three ring-shaped cavities by the second elastic baffle and third elastic baffle of concentric tubular from inside to outside, filled rubber in outermost first cavity, magnetic rheology elastic body is filled in the second intermediate cavity, winding electromagnetic coil outside magnetic rheology elastic body, multiple springs are set in internal third cavity, spring is arranged radially along bridge pier；Acceleration transducer is installed on the inner wall of second elastic baffle；Fine sand is filled in the cavity of the lower part of anti-collision body and is equipped with control module and power module, acceleration when colliding is detected by acceleration transducer and is transferred to control module, when acceleration is greater than threshold value, control module controls power module to solenoid, to apply magnetic field to magnetic rheology elastic body to adjust its damping and rigidity, bridge pier is made to have the effect of vibration damping anticollision.
Description
Technical field
The invention belongs to construction engineering technical fields, are related to a kind of anti-collision bridge pier.
Background technique
With the rapid development of China's communication, various large bridges are constantly built, although substantially increasing China
Traffic capacity, but the following traffic accidents for hitting bridge in relation to vehicle and ship are also increasing, such thing
Therefore generation not only endanger the life security of people, but also will cause interruption of communication and lead to bigger loss.So to bridge pier
Protection be necessary.The Anti-collision materials that existing pier anticollision system mostly uses are at high cost, and installation steps are complicated, no
Stress when Vehicular impact can be effectively absorbed, causes bridge pier badly damaged.
Summary of the invention
The present invention provides a kind of anti-collision bridge pier, and the winding magnetic current of electromagnetic coil is equipped in the anticollision body of bridge pier body exterior
Become elastomer, by applying magnetic field to magnetic rheology elastic body to change its damping and rigidity, makes bridge pier that there is the effect of vibration damping anticollision
Fruit.
The present invention provides a kind of anti-collision bridge pier, comprising: bridge pier main body and the anti-collision body of ring-type for being wrapped in bridge pier body exterior,
The anti-collision body is separated into upper and lower two parts by the first elastic baffle of annular；The upper part of anti-collision body passes through concentric cylinder
The second elastic baffle and third elastic baffle of shape are separated into three ring-shaped cavities from inside to outside, fill out in outermost first cavity
Filled with rubber, it is filled with magnetic rheology elastic body in the second intermediate cavity, winding electromagnetic coil outside the magnetic rheology elastic body,
Multiple springs are equipped in internal third cavity, the spring is arranged radially along bridge pier；On the inner wall of the second elastic baffle
Acceleration transducer is installed；It is filled with fine sand in the cavity of the lower part of anti-collision body and is equipped with control module and power module,
Acceleration when colliding is detected by acceleration transducer and is transferred to control module, when acceleration is greater than threshold value, controls mould
Block controls power module to solenoid, to apply magnetic field to magnetic rheology elastic body to adjust its damping and rigidity；It is described
Magnetic rheology elastic body each component includes: 100~150 parts of rubber matrix, 600~700 parts of magnetic-particle, vulcanizing agent according to weight ratio
16~25 parts, 4~5 parts of vulcanization accelerator, 120~180 parts of fill material, wherein fill material include 20~30 parts of plasticizer,
30~50 parts of dispersing agent, 50~60 parts of binder, 10~20 parts of reinforcing agent and 10~20 parts of cold-resistant agent；The binder is carbonization
One of silicon, graphene, carbon nanotube or silica；The reinforcing agent is fume colloidal silica.
In anti-collision bridge pier of the invention, the magnetic-particle selects micron order carbonyl iron dust and silicon-steel powder, the two ratio
For 25:1, this magnetic-particle is selected to improve magnetic permeability under the premise of guaranteeing saturation magnetization, reduces eddy-current loss.
In anti-collision bridge pier of the invention, the vulcanizing agent is selenium, tellurium, peroxide or sulphur；Vulcanization accelerator is alkali
Metal oxide；The plasticizer is dimethicone；Dispersing agent is methyl anyl alcohol or polyurethane；Cold-resistant agent is adipate ester.
In anti-collision bridge pier of the invention, the alternate reflective strip of black Huang is posted in the outer surface of the anti-collision body.
In anti-collision bridge pier of the invention, the side wall of the anti-collision body is made of rubber.
In anti-collision bridge pier of the invention, the anti-collision body is fixed on the ground by anchor bolt.
The body exterior of anti-collision bridge pier of the invention is arranged anti-collision body, and the cavity of the upper part of anti-collision body is from outside to inside successively
It is filled with rubber, magnetic rheology elastic body and spring with good vibration damping shock attenuation result, being filled in the cavity of lower part can be with
The fine sand for playing buffering effect can play good damping cushion effect, anticollision can be improved when anticollision device, collision-prevention device is hit
The crashworthiness of device, structure is simple, applied widely.And the winding electromagnetic coil outside magnetic rheology elastic body, pass through
The acceleration transducer that spring layer is arranged in detects acceleration when colliding and sends a signal to control module, when its numerical value is super
Control module controls power module to solenoid when crossing threshold value, applies externally-applied magnetic field to magnetic rheology elastic body to adjust it
Damping and rigidity, further increase the function of vibration damping and anticollision.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of anti-collision bridge pier of the invention.
Specific embodiment
A kind of anti-collision bridge pier of the invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of anti-collision bridge pier of the invention, comprising: bridge pier main body 1 and the ring for being wrapped in bridge pier body exterior
The anti-collision body 2 of shape.The anti-collision body 2 is separated into upper and lower two parts by the first elastic baffle 3 of annular.The upper part of anti-collision body 2
It is separated into three ring-shaped cavities, most external from inside to outside by the second elastic baffle 4 and third elastic baffle 5 of concentric tubular
The first cavity in be filled with rubber 6, magnetic rheology elastic body 7, the magnetic rheology elastic body 7 are filled in the second intermediate cavity
External winding electromagnetic coil 9 is installed with multiple springs 8, being arranged radially along bridge pier of spring 8 in internal third cavity；
Acceleration transducer 10 is installed on the inner wall of the second elastic baffle 4.Fine sand is filled in the cavity of the lower part of anti-collision body 2
11 and be equipped with control module and power module (not shown).Acceleration when colliding is detected simultaneously by acceleration transducer 10
It is transferred to control module, when acceleration is greater than threshold value, control module controls power module to solenoid, to magnetic current
Become elastomer and applies magnetic field to adjust its damping and rigidity.
When it is implemented, 7 each component of magnetic rheology elastic body according to weight ratio include: 100~150 parts of rubber matrix,
600~700 parts of magnetic-particle, 16~25 parts of vulcanizing agent, 4~5 parts of vulcanization accelerator, 120~180 parts of fill material, wherein filling out
Filling material includes 20~30 parts of plasticizer, 30~50 parts of dispersing agent, 50~60 parts of binder, 10~20 parts of reinforcing agent and cold-resistant agent
10~20 parts；The binder is one of silicon carbide, graphene, carbon nanotube or silica；The reinforcing agent is gas
Phase method white carbon black.
When it is implemented, the magnetic-particle selects micron order carbonyl iron dust and silicon-steel powder, the two ratio is 25:1, is selected
This magnetic-particle improves magnetic permeability under the premise of guaranteeing saturation magnetization, reduces eddy-current loss.
When it is implemented, the vulcanizing agent is selenium, tellurium, peroxide or sulphur；Vulcanization accelerator is alkali metal oxide；
The plasticizer is dimethicone；Dispersing agent is methyl anyl alcohol or polyurethane；Cold-resistant agent is adipate ester.
When it is implemented, the magnetic rheology elastic body is made of following method: by rubber matrix, magnetic-particle and institute
There is fill material to be put into rubber mixing machine, mechanical uniform stirs 20 minutes, then is placed in deaeration in vacuum barrel at 80 DEG C, then be injected into
Into aluminium-making mould；Vulcanizing agent and vulcanization accelerator are poured into mold and vulcanized 20 minutes or so at 150 DEG C, is applied at the same time
Adding magnetic induction intensity is that the magnetic field 0.4T prepares anisotropy magnetic rheology elastic body.
When it is implemented, the alternate reflective strip of black Huang is posted in the outer surface of the anti-collision body 2.The side wall of anti-collision body 2 is by rubber
Glue is made.Anti- collision body 2 is fixed on the ground by anchor bolt.
Acceleration transducer 10 is installed on the inner wall of the second elastic baffle 4, is generated when being collided by acquiring
Acceleration feeds back to control module, when finding acceleration value superthreshold, controls power module to electromagnetic wire by control module
Circle power supply, realizes to the damping of magnetic rheology elastic body and the adjusting of rigidity, can play the effect of absorbing vibration damping.In third cavity
Vibration reduction and cushioning can be played the role of by being disposed radially spring 8, and filled rubber in the first cavity.The present invention has multilayer vibration damping
Structure can play good buffering effect when anti-collision body 2 is hit, and the crashworthiness of bridge pier, structure letter can be improved
It is single, it is applied widely.
The foregoing is merely presently preferred embodiments of the present invention, the thought being not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of anti-collision bridge pier characterized by comprising bridge pier main body and the anti-collision body of ring-type for being wrapped in bridge pier body exterior,
The anti-collision body is separated into upper and lower two parts by the first elastic baffle of annular；The upper part of anti-collision body passes through concentric cylinder
The second elastic baffle and third elastic baffle of shape are separated into three ring-shaped cavities from inside to outside, fill out in outermost first cavity
Filled with rubber, it is filled with magnetic rheology elastic body in the second intermediate cavity, winding electromagnetic coil outside the magnetic rheology elastic body,
Multiple springs are equipped in internal third cavity, the spring is arranged radially along bridge pier；On the inner wall of the second elastic baffle
Acceleration transducer is installed；It is filled with fine sand in the cavity of the lower part of anti-collision body and is equipped with control module and power module,
Acceleration when colliding is detected by acceleration transducer and is transferred to control module, when acceleration is greater than threshold value, controls mould
Block controls power module to solenoid, to apply magnetic field to magnetic rheology elastic body to adjust its damping and rigidity；It is described
Magnetic rheology elastic body each component includes: 100~150 parts of rubber matrix, 600~700 parts of magnetic-particle, vulcanizing agent according to weight ratio
16~25 parts, 4~5 parts of vulcanization accelerator, 120~180 parts of fill material, wherein fill material include 20~30 parts of plasticizer,
30~50 parts of dispersing agent, 50~60 parts of binder, 10~20 parts of reinforcing agent and 10~20 parts of cold-resistant agent；The binder is carbonization
One of silicon, graphene, carbon nanotube or silica；The reinforcing agent is fume colloidal silica.
2. anti-collision bridge pier as described in claim 1, which is characterized in that the magnetic-particle selects micron order carbonyl iron dust and silicon
Comminuted steel shot, the two ratio are 25:1, this magnetic-particle is selected to improve magnetic permeability under the premise of guaranteeing saturation magnetization, are reduced
Eddy-current loss.
3. anti-collision bridge pier as described in claim 1, which is characterized in that the vulcanizing agent is selenium, tellurium, peroxide or sulphur；
Vulcanization accelerator is alkali metal oxide；The plasticizer is dimethicone；Dispersing agent is methyl anyl alcohol or polyurethane；It is cold-resistant
Agent is adipate ester.
4. anti-collision bridge pier as described in claim 1, which is characterized in that post alternate anti-of black Huang in the outer surface of the anti-collision body
Striation.
5. anti-collision bridge pier as described in claim 1, which is characterized in that the side wall of the anti-collision body is made of rubber.
6. anti-collision bridge pier as described in claim 1, which is characterized in that the anti-collision body is fixed on the ground by anchor bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629626.1A CN110344318B (en) | 2019-07-12 | 2019-07-12 | Anti-collision pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629626.1A CN110344318B (en) | 2019-07-12 | 2019-07-12 | Anti-collision pier |
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| Publication Number | Publication Date |
|---|---|
| CN110344318A true CN110344318A (en) | 2019-10-18 |
| CN110344318B CN110344318B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910629626.1A Active CN110344318B (en) | 2019-07-12 | 2019-07-12 | Anti-collision pier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016453A (en) * | 2020-01-07 | 2020-04-17 | 王悦 | Sheet metal spraying part marking system |
| CN112252171A (en) * | 2020-11-29 | 2021-01-22 | 温州因非科技有限公司 | Combined pier protection device and use method thereof |
| CN113418595A (en) * | 2021-06-22 | 2021-09-21 | 欧梯恩智能科技(苏州)有限公司 | Pier collision detection method and system |
| CN114592483A (en) * | 2022-03-11 | 2022-06-07 | 西南交通大学 | Ship collision prevention device for classifying strong and weak collision of bridge and construction method thereof |
| CN115821857A (en) * | 2023-02-02 | 2023-03-21 | 中国电建集团西北勘测设计研究院有限公司 | Bridge anti-collision device for improving safety performance of bridge |
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| CN108727710A (en) * | 2018-06-05 | 2018-11-02 | 重庆大学 | Preparation method with high heat-resisting and tensile properties magnetic rheology elastic body |
| CN209025021U (en) * | 2018-08-28 | 2019-06-25 | 山西大学 | A kind of Fast Installation Urban Bridge anticollision device of pier |
| CN209039960U (en) * | 2018-11-06 | 2019-06-28 | 长江重庆航道局 | A kind of bridge pier on water transportation channel safeguard structure |
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2019
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| KR20110006178A (en) * | 2009-07-13 | 2011-01-20 | (주) 선암기술연구소 | Caisson lower-end water cut-off system |
| CN102829112A (en) * | 2012-09-21 | 2012-12-19 | 重庆大学 | Porous magnetorheological elastomer and buffer device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016453A (en) * | 2020-01-07 | 2020-04-17 | 王悦 | Sheet metal spraying part marking system |
| CN112252171A (en) * | 2020-11-29 | 2021-01-22 | 温州因非科技有限公司 | Combined pier protection device and use method thereof |
| CN113418595A (en) * | 2021-06-22 | 2021-09-21 | 欧梯恩智能科技(苏州)有限公司 | Pier collision detection method and system |
| CN114592483A (en) * | 2022-03-11 | 2022-06-07 | 西南交通大学 | Ship collision prevention device for classifying strong and weak collision of bridge and construction method thereof |
| CN115821857A (en) * | 2023-02-02 | 2023-03-21 | 中国电建集团西北勘测设计研究院有限公司 | Bridge anti-collision device for improving safety performance of bridge |
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|---|---|
| CN110344318B (en) | 2021-04-02 |
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Effective date of registration: 20230329 Address after: 120-1 Hongrun Road, Yuhong District, Shenyang City, Liaoning Province, 110027 (1 gate) Patentee after: Liaoning Xinfu Siyuan Rubber and Plastic Products Co.,Ltd. Address before: 110168 No. 9 Hunnan East Road, Hunnan District, Shenyang City, Liaoning Province Patentee before: SHENYANG JIANZHU University |