CN105064284B - Pier anti-collision protective device with tension legs and buoyancy tanks - Google Patents
Pier anti-collision protective device with tension legs and buoyancy tanks Download PDFInfo
- Publication number
- CN105064284B CN105064284B CN201510415744.4A CN201510415744A CN105064284B CN 105064284 B CN105064284 B CN 105064284B CN 201510415744 A CN201510415744 A CN 201510415744A CN 105064284 B CN105064284 B CN 105064284B
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- CN
- China
- Prior art keywords
- buoyancy tank
- buoyancy
- bridge pier
- steel cable
- ship
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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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- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a pier anti-collision protective device with tension legs and buoyancy tanks. The pier anti-collision protective device comprises the buoyancy tanks which are arranged at the upstream position and the downstream position of a pier respectively. The bottom of each buoyancy tank is connected with underwater anchoring mechanisms through the corresponding tension legs. The buoyancy tanks are connected through steel mooring ropes. The steel mooring ropes are located on the two sides of the pier. The tension legs and the steel mooring ropes are in the tensioned state. When the device is stricken by a ship, the buoyancy tanks deviate from the original positions and then return to the original positions under the action of the buoyancy force of the buoyancy tanks and the pulling force of the tension legs. The pier anti-collision protective device can protect the pier of a bridge from impact damage caused by traveling ships.
Description
Technical field
A kind of the invention belongs to Bridge Pier technical field, more particularly to tension leg floating box type anti-collide protective device for bridge pier.
Background technology
With flourishing for economy and communication, the tonnage of ship and the speed of a ship or plane navigated by water on the navigation channel of navigation has very
Big to improve, so the various bridge to being located on Jiang Haihangdao causes significant threat, once ship is out of control touch with bridge pier
Hit, it is likely that produce ship and ruin the major accident that bridge collapses, cause serious consequence.
The content of the invention
It is an object of the invention to provide a kind of tension leg floating box type anti-collide protective device for bridge pier, it can protect bridge bridge
Pier is from contact ship collision destruction.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of tension leg floating box type anti-collide protective device for bridge pier is provided, the device includes being separately positioned on bridge pier upstream with
The buoyancy tank of trip, the bottom of the buoyancy tank are connected with water-bed anchoring mechanism by multiple tension legs, pass through wirerope between the buoyancy tank
Rope connection, the steel cable are located at the both sides of bridge pier；The tension leg is in tensioning state with steel cable；When ship collision should
During device, buoyancy tank deviates in situ, is returned to original position under the pulling force effect of its own buoyancy and tension leg again.
By above-mentioned technical proposal, hoist engine on the buoyancy tank, is provided with, the hoist engine is used for adjusting tension leg and wirerope
The length of rope.
By above-mentioned technical proposal, the outer peripheral face of the buoyancy tank is up-small and down-big taper arcwall face.
By above-mentioned technical proposal, the outside of the steel cable is provided with soft sheath.
By above-mentioned technical proposal, on the bridge pier, buffer gear is provided with.
The beneficial effect comprise that：The device is fixed using flexible, and its buoyancy tank is installed by the way of tension leg,
Connected by steel cable between water-bed buoyancy tank, tension leg and steel cable are tensed after buoyancy tank positioning, make buoyancy tank sink, it is only little
Part spills the water surface, and the buoyancy that now buoyancy tank is subject to is more than its own gravity, is easy to buoyancy tank in current, keep self-position steady
Fixed, when ship collision buoyancy tank or steel cable, whole device is moved with ship, and buoyancy tank is downward under the drawing of tension leg
Heavy, the pulling force for producing more buoyancy, buoyancy tank buoyancy and tension leg applies reciprocal power to ship, consumes Impact energy, subtracts
Little impact force, makes ship turning navigate by water away from the direction of bridge pier, can farthest protect ship and the device, the device to exist
Collision rift can automatically reply initial position due to buoyancy tank buoyancy；Meanwhile, the device and bridge pier without being rigidly connected, and to bridge pier surrounding
Comprehensive pad is given, can force to prevent the ship of navigation gap bridge direct and side impact bridge pier, bridge pier is not subject to ship
Impact force, thus will not by impact wreckage, while the device will not under constriction navigation channel effective width, the logical of navigation channel will not be reduced
Row ability.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the top view of the embodiment of the present invention；
Fig. 3 is the side view of the embodiment of the present invention.
In figure：1- buoyancy tanks, 2- buoyancy tanks, 3- bridge piers, 4- steel cables, 5- tension legs, 6- bottoms anchoring mechanism.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in Figure 1-Figure 3, a kind of tension leg floating box type anti-collide protective device for bridge pier, the device include being separately positioned on bridge
The buoyancy tank 1 of 3 upstream and downstream of pier, buoyancy tank 2, buoyancy tank 1, the bottom of buoyancy tank 2 are connected with water-bed anchoring mechanism 6 by multiple tension legs 5
Connect, connected by steel cable 4 between buoyancy tank 1, buoyancy tank 2, steel cable 4 is located at the both sides of bridge pier 3；Tension leg 5 is located with steel cable 4
In tensioning state；When the ship collision device, buoyancy tank 1,2 deviates in situ, makees in the pulling force of its own buoyancy and tension leg
It is returned to original position with again.
In a preferred embodiment of the invention, as shown in figure 1, being provided with hoist engine on buoyancy tank 1, buoyancy tank 2, hoist engine is used for
The length of adjustment tension leg and steel cable, makes tension leg and steel cable be in tensioning state.
In a preferred embodiment of the invention, as shown in figure 1, buoyancy tank 1, the outer peripheral face of buoyancy tank 2 are up-small and down-big taper
Arcwall face.Anticollision frontal design by buoyancy tank on the outside of bridge pier is up-small and down-big taper arcwall face, can cause ship more
Deflection and sliding rather than deformation is susceptible to, when head-on crash of the ship with buoyancy tank, using the taper arc of buoyancy tank outline
Shape face can make horizontal thrust of the buoyancy generation of buoyancy tank to ship, deflect the impact force of ship, with buoyant equilibrium part or complete
Portion's ship impact force, and guide ship to change course, bridge pier is avoided, three not bad mesh of ship, bridge pier, device itself are realized
Mark.
In a preferred embodiment of the invention, as shown in figure 1, the outside of steel cable 4 is provided with soft sheath, can alleviate
The impact force of side impact ship, it is ensured that safety of ship.
In a preferred embodiment of the invention, buffer gear is provided with bridge pier, when buoyancy tank and steel cable occur unexpected,
Collide with buffer gear, without producing damage to bridge pier.
In concrete application, as shown in Figure 1-Figure 3, two buoyancy tanks 1,2 are separately mounted to from 3 upstream and downstream one of bridge pier the present invention
At set a distance, buoyancy tank is the hollow shell of sealing, is typically made up of steel construction, and front and the side exterior surface of anticollision have larger
Intensity, be not susceptible to deformation in collision, another its surface is provided with can increase the coating for reducing frictional force, if single buoyancy tank is used
Dry tension leg 5 is lain on water-bed anchoring mechanism 6, and tension leg is heaving pile, and water-bed anchor point needs to provide enough drawings to buoyancy tank
Power, it is preferred to use do not affect the pile foundation of pier footing to fix, such as bored under-reamed filling pile, use many steel cables 4 between buoyancy tank
Connection, steel cable and two buoyancy tanks give comprehensive pad to bridge pier, prevent ship from directly from front and side impact bridge pier.
For preventing from accident collision between buoyancy tank and bridge pier, the reasonable consideration depth of water, buoyancy tank and bridge pier spacing is needed, the correct position for selecting heaving pile
Put and length, the device by arranging hoist engine on buoyancy tank, to adjust the length of tension leg 5 and steel cable 4, after buoyancy tank positioning
Steel cable 4 is tensed, makes buoyancy tank sink, only fraction surfaces, now the buoyancy of buoyancy tank is more than gravity, due to two it is floating
The tension leg 5 of case outwards oblique tension so that the steel cable 4 between two buoyancy tanks is tensioning state as tension leg 5, so
On the one hand buoyancy tank can be kept not rock as the generation of stormy waves stream is larger, is easy to keep self-position, the opposing party in current
Face, the buoyancy of deposit make buoyancy tank produce bigger restoring moment when with ship collision.As having larger SEA LEVEL VARIATION at bridge pier,
The length of tension leg and steel cable can be adjusted by hoist engine on buoyancy tank, make whole system reach best efficiency.If it is necessary, can
Buffer unit is set in the correct position of bridge pier, prevents steel cable between buoyancy tank and buoyancy tank from damage is produced in accident to bridge pier.
The fixed form that the buoyancy tank of the present invention is similar to using tension leg ocean platform, with bridge pier without being rigidly connected, will not be by
Ship collision power is directly transferred on bridge pier, and the tension leg moment, in the tensioned state by tensioning, is produced much larger than the device certainly
The buoyancy of weight, surplus buoyancy of the buoyancy in addition to canceller deadweight are balanced with the pretension of tension leg.When ship is to bridge pier
During motion, when contact buoyancy tank or steel cable, buoyancy tank can produce more buoyancy to sinking under the drawing of tension leg, and buoyancy tank is floated
The pulling force of power and steel cable can apply reciprocal power to ship, make ship turning away from the direction of bridge pier.The present invention is flexibility
Recoverable structure, with buoyancy as main restoring force, collision rift need not typically keep in repair replacing, and can protect shock ship
Safety.
The present invention has advantages below：
1st, can install in the case where bridge pier is not damaged, to force to prevent the ship of navigation gap bridge direct and side impact bridge
Pier, to ensure the safety of bridge and ship；
2nd, while giving the comprehensive pad of surrounding to bridge pier, not under constriction bridge navigation channel effective width, would not also reduce
The traffic capacity in navigation channel；
3rd, the device is fixed using flexible, after being collided, it is possible to use the resistance of buoyancy and fluid consumes Impact energy,
Move with ship, can so reduce impact force, farthest protect ship and buoyancy tank itself；
4th, the device can automatically reply initial position due to buoyancy tank buoyancy after an impact；
5th, due to connectionless device between buoyancy tank and bridge pier therefore different from traditional anticollision device of pier, bridge pier is not subject to
The impact force of ship；
6th, the impact force of ship can be deflected using the inclined-plane of buoyancy tank outline, with buoyant equilibrium part ship impact force,
And guide ship to change course, avoid bridge pier；
7th, when ship contacts steel cable from side impact bridge pier, under two buoyancy tanks can be under steel cable and tension leg pulling force
It is heavy, produce extra buoyant equilibrium and absorb impact force.
Present invention can ensure that ship, bridge pier and device itself is not destroyed, which buffers collision with buoyancy
Power, not using the structure of destruction energy-absorbing, highlights non-maintaining, reusable environmental protection characteristic, reduces use cost, can be substantially
Improve the safe passing performance of bridge and ship.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations should all belong to the protection domain of claims of the present invention.
Claims (5)
1. a kind of tension leg floating box type anti-collide protective device for bridge pier, it is characterised in that the device includes being separately positioned on bridge pier
Trip and the buoyancy tank in downstream, the bottom of the buoyancy tank are connected with water-bed anchoring mechanism by multiple tension legs, are led between the buoyancy tank
Steel cable connection is crossed, the steel cable is located at the both sides of bridge pier；The tension leg is in tensioning state with steel cable；Work as ship
When clashing into the device, buoyancy tank deviates in situ, is returned to original position under the pulling force effect of its own buoyancy and tension leg again.
2. device according to claim 1, it is characterised in that be provided with hoist engine on the buoyancy tank, the hoist engine is used
In adjustment tension leg and the length of steel cable.
3. device according to claim 1, it is characterised in that the outer peripheral face of the buoyancy tank is up-small and down-big taper arc
Face.
4. device according to claim 1, it is characterised in that the outside of the steel cable is provided with soft sheath.
5. device according to claim 1, it is characterised in that be provided with buffer gear on the bridge pier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415744.4A CN105064284B (en) | 2015-07-15 | 2015-07-15 | Pier anti-collision protective device with tension legs and buoyancy tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415744.4A CN105064284B (en) | 2015-07-15 | 2015-07-15 | Pier anti-collision protective device with tension legs and buoyancy tanks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105064284A CN105064284A (en) | 2015-11-18 |
| CN105064284B true CN105064284B (en) | 2017-03-22 |
Family
ID=54493771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510415744.4A Expired - Fee Related CN105064284B (en) | 2015-07-15 | 2015-07-15 | Pier anti-collision protective device with tension legs and buoyancy tanks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105064284B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400679B (en) * | 2016-11-30 | 2018-01-26 | 王杏林 | Method and its construction for bridge pier anticollision |
| CN109112955A (en) * | 2018-10-29 | 2019-01-01 | 招商局重庆交通科研设计院有限公司 | A kind of pier rope combined anti-collision device |
| CN114481960B (en) * | 2022-01-18 | 2024-07-19 | 重庆交通大学 | Self-positioning constraint anchoring type bridge ship collision prevention system under water level change condition |
| CN114481959B (en) * | 2022-01-18 | 2024-05-10 | 重庆交通大学 | Anchoring type self-adaptive water level lifting ship collision prevention method |
| CN114481961B (en) * | 2022-01-18 | 2024-04-19 | 重庆交通大学 | Anchoring type anti-collision facility cable adjusting balance method under limiting water depth condition |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2429873A1 (en) * | 1978-06-27 | 1980-01-25 | Sea Tank Co | PROTECTION AGAINST COLLISION OF DRIFT FLOATING BODIES |
| CA2032096A1 (en) * | 1990-12-12 | 1992-06-13 | Geoffrey R. Mogridge | Protective system against icebergs or floating objects |
| CN100355986C (en) * | 2005-11-24 | 2007-12-19 | 中国人民解放军理工大学工程兵工程学院 | Flexible and floating type ship collision prevention system |
| CN200967949Y (en) * | 2006-10-19 | 2007-10-31 | 中国水电顾问集团华东勘测设计研究院 | Large span waterborne safety protection facilities |
| CN201148603Y (en) * | 2007-09-03 | 2008-11-12 | 湛江海湾大桥有限公司 | Double-float box self-floating type flexible energy-absorbing anti-collision device |
| CN102174800B (en) * | 2011-03-16 | 2012-07-25 | 张光裕 | Great bridge anti-collision system and working process thereof |
| CN104314051B (en) * | 2014-10-26 | 2016-06-08 | 南京广博工程技术有限公司 | A kind of mooring cushions anti-ship and hits system |
| CN104727279B (en) * | 2015-04-01 | 2016-06-15 | 南京工业大学 | Composite material floating type net-shaped interception system and construction method |
-
2015
- 2015-07-15 CN CN201510415744.4A patent/CN105064284B/en not_active Expired - Fee Related
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| CN105064284A (en) | 2015-11-18 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170715 |