CN105064284A - 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
- CN105064284A CN105064284A CN201510415744.4A CN201510415744A CN105064284A CN 105064284 A CN105064284 A CN 105064284A CN 201510415744 A CN201510415744 A CN 201510415744A CN 105064284 A CN105064284 A CN 105064284A
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- Prior art keywords
- buoyancy tank
- buoyancy
- bridge pier
- steel cable
- tension leg
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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
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
The invention belongs to Bridge Pier technical field, particularly relate to a kind of tension leg floating box type anti-collide protective device for bridge pier.
Background technology
Flourish along with economy and communication, the tonnage of ship that the navigation channel of navigation is navigated by water and the speed of a ship or plane all improve a lot, like this significant threat is caused to the various bridge be located on Jiang Haihangdao, collide once boats and ships are out of control with bridge pier, probably the major accident that bridge collapses ruined by generation ship, causes serious consequence.
Summary of the invention
The object of the present invention is to provide a kind of tension leg floating box type anti-collide protective device for bridge pier, it can protect bridge pier to destroy from contact ship collision.
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, this device comprises the buoyancy tank being separately positioned on bridge pier upstream and downstream, the bottom of described buoyancy tank is connected with water-bed anchoring mechanism by multiple tension leg, and connected by steel cable between described buoyancy tank, described steel cable is positioned at the both sides of bridge pier; Described tension leg and steel cable are all in tensioning state; When this device of ship collision, buoyancy tank departs from original position, under the pulling force effect of himself buoyancy and tension leg, be returned to original position again.
By technique scheme, described buoyancy tank is provided with hoist engine, described hoist engine is for adjusting the length of tension leg and steel cable.
By technique scheme, the outer peripheral face of described buoyancy tank is up-small and down-big tapering arcwall face.
By technique scheme, the outer setting of described steel cable has soft sheath.
By technique scheme, described bridge pier is provided with buffer gear.
The beneficial effect that the present invention produces is: this device adopts flexible fixing, its buoyancy tank adopts the mode of tension leg to install, connected by steel cable between water-bed buoyancy tank, by tension leg and steel cable tension behind buoyancy tank location, buoyancy tank is sunk, fraction is only had to spill the water surface, the buoyancy that now buoyancy tank is subject to is greater than himself gravity, be convenient to buoyancy tank keeps self-position to stablize in current, when ship collision buoyancy tank or steel cable, whole device moves with boats and ships, buoyancy tank under the tractive of tension leg to sinking, produce more buoyancy, the pulling force of buoyancy tank buoyancy and tension leg applies reciprocal power to boats and ships, consume Impact energy, reduce impact, ship turning is navigated by water away from the direction of bridge pier, farthest can protect boats and ships and this device, this device can automatically reply initial position due to buoyancy tank buoyancy after an impact, simultaneously, this device and bridge pier are without being rigidly connected, and give comprehensive pad to bridge pier surrounding, the boats and ships can forcing to stop navigation to be passed a bridge directly and side impact bridge pier, bridge pier can not bear the impact of boats and ships, thus can not by impact wreckage, this device can not the effective width in navigation channel under constriction simultaneously, can not reduce the traffic capacity in navigation channel.
Accompanying drawing explanation
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 lateral view of the embodiment of the present invention.
In figure: 1-buoyancy tank, 2-buoyancy tank, 3-bridge pier, 4-steel cable, 5-tension leg, the water-bed anchoring mechanism of 6-.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit 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, this device comprises the buoyancy tank 1, the buoyancy tank 2 that are separately positioned on bridge pier 3 upstream and downstream, the bottom of buoyancy tank 1, buoyancy tank 2 is connected with water-bed anchoring mechanism 6 by multiple tension leg 5, connected by steel cable 4 between buoyancy tank 1, buoyancy tank 2, steel cable 4 is positioned at the both sides of bridge pier 3; Tension leg 5 and steel cable 4 are all in tensioning state; When this device of ship collision, buoyancy tank 1,2 departs from original position, under the pulling force effect of himself buoyancy and tension leg, be returned to original position again.
In a preferred embodiment of the invention, as shown in Figure 1, buoyancy tank 1, buoyancy tank 2 are provided with hoist engine, hoist engine, for adjusting the length of 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, the outer peripheral face of buoyancy tank 1, buoyancy tank 2 is up-small and down-big tapering arcwall face.Be up-small and down-big tapering arcwall face by the anti-collision frontal design of buoyancy tank outside bridge pier, boats and ships can be made more easily to deflect and slippage instead of distortion, when the head-on crash of boats and ships and buoyancy tank, utilize the tapering arcwall face of buoyancy tank outline can make the horizontal thrust of buoyancy generation to boats and ships of buoyancy tank, the impact of deflection boats and ships, with the part or all of ship impact force of buoyant equilibrium, and guide boats and ships to change course, avoid bridge pier, realize the target that boats and ships, bridge pier, this device itself three are not bad.
In a preferred embodiment of the invention, as shown in Figure 1, the outer setting of steel cable 4 has soft sheath, can alleviate the impact force of side impact boats and ships, ensures safety of ship.
In a preferred embodiment of the invention, bridge pier is provided with buffer gear, when buoyancy tank and steel cable meet accident, collides with buffer gear, and damage can not be produced to bridge pier.
The present invention is when embody rule, as shown in Figure 1-Figure 3, two buoyancy tanks 1, 2 are arranged on from bridge pier 3 upstream and downstream a distance respectively, buoyancy tank is the hollow shell of sealing, generally be made up of steel work, the front of anti-collision and side exterior surface have larger intensity, not easily deform when colliding, its surface another is provided with the coating that can increase and reduce frictional force, single buoyancy tank uses some tension legs 5 to lie on water-bed anchoring mechanism 6, tension leg is heaving pile, water-bed anchor point needs to provide enough pulling force to buoyancy tank, the pile foundation not affecting pier footing is preferably used to fix, as underreamed bored pile, many steel cables 4 are used to connect between buoyancy tank, steel cable and two buoyancy tanks give comprehensive pad to bridge pier, make boats and ships can not directly from front and side impact bridge pier.For preventing the collision that meets accident between buoyancy tank and bridge pier, need the reasonable consideration depth of water, buoyancy tank and bridge pier spacing, the position of selecting properly heaving pile and length, this device by arranging hoist engine on buoyancy tank, to adjust the length of tension leg 5 and steel cable 4, steel cable 4 is strained behind location by buoyancy tank, buoyancy tank is sunk, fraction is only had to surface, now the buoyancy of buoyancy tank is greater than gravity, the all outside oblique tension of tension leg 5 due to two buoyancy tanks, making the steel cable 4 between two buoyancy tanks the same with tension leg 5 is tensioning state, such one side can keep buoyancy tank not along with larger rocking occurs stormy waves stream, be convenient to keep self-position in current, on the other hand, the buoyancy of deposit makes buoyancy tank producing larger restoring moment with during ship collision.As there is larger SEA LEVEL VARIATION at bridge pier place, by the length of hoist engine adjustment tension leg and steel cable on buoyancy tank, whole system is made to reach best efficiency.If necessary, buffer can be set at the correct position of bridge pier, prevent steel cable between buoyancy tank and buoyancy tank from producing damage when accident to bridge pier.
The fixed form that buoyancy tank of the present invention adopts tension leg ocean platform similar, with bridge pier without being rigidly connected, can not ship collision power be directly transferred on bridge pier, the tension leg moment is in the tensioned state by stretch-draw, produce the buoyancy of conducting oneself with dignity much larger than this device, the pretension of the surplus buoyancy of buoyancy except canceller deadweight and tension leg balances.When boats and ships move to bridge pier, when contact buoyancy tank or steel cable, buoyancy tank can to sinking under the tractive of tension leg, and produce more buoyancy, the pulling force of buoyancy tank buoyancy and steel cable can apply reciprocal power to boats and ships, makes ship turning away from the direction of bridge pier.The present invention is flexible recoverable structure, is main restoring force with buoyancy, and collision rift does not generally need repairing replacing, and can protect the safety of clashing into boats and ships.
The present invention has the following advantages:
1, can install when not damaging bridge pier, the direct and side impact bridge pier with the boats and ships forcing prevention navigation to be passed a bridge, to ensure the safety of bridge and boats and ships;
2, while giving the comprehensive pad of surrounding to bridge pier, the effective width in navigation channel under constriction bridge, would not reduce the traffic capacity in navigation channel yet;
3, this device adopts flexible fixing, after being collided, the resistance of buoyancy and fluid can being utilized to consume Impact energy, move, can reduce impact like this, farthest protect ship and buoyancy tank itself with boats and ships;
4, this device can automatically reply initial position due to buoyancy tank buoyancy after an impact;
5, due between buoyancy tank and bridge pier without linkage, therefore different from traditional anticollision device of pier, bridge pier can not bear the impact of boats and ships;
6, utilize the inclined-plane of buoyancy tank outline can deflect the impact of boats and ships, with buoyant equilibrium part ship impact force, and guide boats and ships to change course, avoid bridge pier;
7, when boats and ships clash into bridge pier contact steel cable from the side, two buoyancy tanks can sink under steel cable and tension leg pulling force, produce extra buoyant equilibrium and absorb impact.
The present invention can ensure that boats and ships, bridge pier and this device itself are not damaged, it carrys out damp impacts power with buoyancy, does not adopt the structure destroying energy-absorbing, highlights non-maintaining, reusable environmental protection characteristic, reduce use cost, the safe passing performance of bridge and boats and ships can be significantly improved.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (5)
1. a tension leg floating box type anti-collide protective device for bridge pier, it is characterized in that, this device comprises the buoyancy tank being separately positioned on bridge pier upstream and downstream, the bottom of described buoyancy tank is connected with water-bed anchoring mechanism by multiple tension leg, connected by steel cable between described buoyancy tank, described steel cable is positioned at the both sides of bridge pier; Described tension leg and steel cable are all in tensioning state; When this device of ship collision, buoyancy tank departs from original position, under the pulling force effect of himself buoyancy and tension leg, be returned to original position again.
2. device according to claim 1, is characterized in that, described buoyancy tank is provided with hoist engine, and described hoist engine is for adjusting the length of tension leg and steel cable.
3. device according to claim 1, is characterized in that, the outer peripheral face of described buoyancy tank is up-small and down-big tapering arcwall face.
4. device according to claim 1, is characterized in that, the outer setting of described steel cable has soft sheath.
5. device according to claim 1, is characterized in that, described bridge pier is provided with buffer gear.
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 true CN105064284A (en) | 2015-11-18 |
| CN105064284B CN105064284B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510415744.4A Expired - Fee Related CN105064284B (en) | 2015-07-15 | 2015-07-15 | Pier anti-collision protective device with tension legs and buoyancy tanks |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400679A (en) * | 2016-11-30 | 2017-02-15 | 王杏林 | Bridge pile anti-collision method and structure |
| 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 |
| CN114481959A (en) * | 2022-01-18 | 2022-05-13 | 重庆交通大学 | Mooring type self-adaptive water level lifting ship collision prevention method |
| CN114481961A (en) * | 2022-01-18 | 2022-05-13 | 重庆交通大学 | Mooring type anti-collision facility cable adjusting and balancing method under condition of limited water depth |
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| GB2024292A (en) * | 1978-06-27 | 1980-01-09 | Sea Tank Co | Barriers for preventing marine collisions |
| US5224800A (en) * | 1990-12-12 | 1993-07-06 | National Research Council Of Canada | Protective system against icebergs or floating objects |
| CN1766236A (en) * | 2005-11-24 | 2006-05-03 | 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 |
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| CN102174800A (en) * | 2011-03-16 | 2011-09-07 | 张光裕 | Great bridge anti-collision system and working process thereof |
| CN104314051A (en) * | 2014-10-26 | 2015-01-28 | 南京广博工程技术有限公司 | Mooring buffering ship collision preventive system |
| CN104727279A (en) * | 2015-04-01 | 2015-06-24 | 南京工业大学 | Composite material floating type net-shaped interception system and construction method |
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2015
- 2015-07-15 CN CN201510415744.4A patent/CN105064284B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2024292A (en) * | 1978-06-27 | 1980-01-09 | Sea Tank Co | Barriers for preventing marine collisions |
| US5224800A (en) * | 1990-12-12 | 1993-07-06 | National Research Council Of Canada | Protective system against icebergs or floating objects |
| CN1766236A (en) * | 2005-11-24 | 2006-05-03 | 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 |
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| CN102174800A (en) * | 2011-03-16 | 2011-09-07 | 张光裕 | Great bridge anti-collision system and working process thereof |
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| CN104727279A (en) * | 2015-04-01 | 2015-06-24 | 南京工业大学 | Composite material floating type net-shaped interception system and construction method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400679A (en) * | 2016-11-30 | 2017-02-15 | 王杏林 | Bridge pile anti-collision method and structure |
| 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 |
| CN114481959A (en) * | 2022-01-18 | 2022-05-13 | 重庆交通大学 | Mooring type self-adaptive water level lifting ship collision prevention method |
| CN114481961A (en) * | 2022-01-18 | 2022-05-13 | 重庆交通大学 | Mooring type anti-collision facility cable adjusting and balancing method under condition of limited water depth |
| 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 |
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|---|---|
| CN105064284B (en) | 2017-03-22 |
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