CN101775777B - Safety protection device for bridge pier - Google Patents
Safety protection device for bridge pier Download PDFInfo
- Publication number
- CN101775777B CN101775777B CN2010101326819A CN201010132681A CN101775777B CN 101775777 B CN101775777 B CN 101775777B CN 2010101326819 A CN2010101326819 A CN 2010101326819A CN 201010132681 A CN201010132681 A CN 201010132681A CN 101775777 B CN101775777 B CN 101775777B
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- China
- Prior art keywords
- hydraulic cylinder
- bridge pier
- steel bushing
- hydraulic
- bushing case
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- Expired - Fee Related
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a safety protection device for a bridge pier. The safety protection device comprises a steel boxed cofferdam arranged at the periphery of the bridge pier and a hydraulic station fixed opposite to the steel boxed cofferdam. The steel boxed cofferdam is provided with a plurality of supporting hydraulic cylinders at least on the side close to a channel, wherein the cylinder body of each supporting hydraulic cylinder is fixed opposite to the steel boxed cofferdam; the head of a piston rod of each supporting hydraulic cylinder is exposed from the outer surface of the steel boxed cofferdam; a rodless cavity of each supporting hydraulic cylinder is communicated with the hydraulic station through a hydraulic pipeline; and the rodless cavities, the hydraulic pipelines and the hydraulic stations of all the supporting hydraulic cylinders are filled with a hydraulic medium so as to form a sealed hydraulic system. Compared with the prior art, the impact resistance of the bridge pier is greatly enhanced through the device of the invention; and the kinetic energy of an offending ship can be absorbed and converted into hydraulic energy for storage, so that the offending ship is quickly speeded down to reduce the kinetic energy, and the resultant force borne by the bridge pier tends to zero to protect the bridge pier.
Description
Technical field
The present invention relates to the resist technology field of bridge, relate in particular to a kind of safety device of bridge pier.
Background technology
Along with the continuous development of transportation, over strait in a large number, stride Jiang Qiaoliang and constantly build.And the residing river of this bridge itself, marine site mostly are busy navigation channels, situation complexity such as its current, great waves, stormy waves, and bridge is being born the risk of certain ship collision inevitably.When the bridge pier of bridge during by boats and ships grazing or bump, even the speed of a ship or plane of boats and ships is very slow, because the quality of boats and ships itself is bigger, the momentum of boats and ships is bigger, according to momentum theorem: mv1-mv2=F Δ t, during the ship collision bridge pier, Δ t is moment, thereby its impact also is huge, damages bridge and happens occasionally.
At present, in many bridge spanning the seas, the bridge pier outer periphery is equipped with anticollision box, or the double-walled crash-proof steel bushing box, or flexible energy-absorbing anti-impact structure, reaches the purpose of protection bridge pier.Wherein, anticollision box or double-walled crash-proof steel bushing box are used for stopping boats and ships, consume the kinetic energy of boats and ships, and boats and ships are slowed down, and delay bump, weaken the impact of boats and ships to bridge pier; And flexible energy-absorbing anti-impact structure is to utilize steel to enclose and wire rope---the common flexible energy system that forms of rubber combined anti-collision ring, consume boats and ships kinetic energy, and boats and ships are slowed down, delay bump, weaken the impact of boats and ships to bridge pier.Because when boats and ships grazing or bump bridge pier situation take place, Offending Ship kinetic energy is huge, anticollision box, double-walled crash-proof steel bushing box and flexible energy-absorbing anti-impact structure can only prevent small-sized boats and ships because the elastic buffer amount of material is very limited, for quality bigger slightly or the big slightly boats and ships of the speed of a ship or plane, just can not well absorb the overall kinetic energy of boats and ships, its energy dissipating, crashproof effect is not good enough, breaks easily, and potential safety hazard still exists, application life is also shorter, needs after breaking to change immediately.Thereby existing safety device to bridge pier needs further improvement.
Summary of the invention
Technical problem to be solved by this invention is the safety device that a kind of bridge pier is provided at the present situation of prior art; it can effectively absorb the kinetic energy of Offending Ship, can significantly strengthen the impact resistance of bridge pier, plays the protective effect to bridge pier; and install durable in usely, need not to change.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the safety device of this bridge pier, comprise the steel bushing case that is arranged on the bridge pier periphery, it is characterized in that: also comprise the Hydraulic Station that a relative steel bushing case is fixing, at least be placed with a plurality of support hydraulic cylinders near on that side in navigation channel on the described steel bushing case, wherein, the relative steel bushing case of the cylinder body of each support hydraulic cylinder is fixed, the piston rod head of each support hydraulic cylinder all is exposed to outside the steel bushing case external surface, and, the rodless cavity of each support hydraulic cylinder is connected with described Hydraulic Station by fluid pressure line, the rodless cavity of all support hydraulic cylinders, all be full of hydraulic medium in fluid pressure line and the Hydraulic Station and formed the hydraulic system of a sealing.
Above-mentioned hydraulic medium is to present mobile material under pressure state, such as things such as hydraulic oil, hydraulic fluid, fat, jellies.
For realizing that steel bushing case and support hydraulic cylinder can fluctuate along with the relative bridge pier of the water surface, can do following improvement: described a plurality of support hydraulic cylinders are successively along one-tenth circumferential arranged evenly one circle of described steel bushing case and at the peripheral radial structure that forms of described bridge pier, leave the space between the inboard of described steel bushing case and the bridge pier surface, the unsteady one to one mutually hydraulic cylinder of a plurality of and described each support hydraulic cylinder position is installed in this space, and described support hydraulic cylinder and unsteady hydraulic cylinder are respectively that the center is symmetrically distributed with the bridge pier, each unsteady hydraulic cylinder also has been full of hydraulic medium and has been connected with Hydraulic Station by fluid pressure line, the cylinder body of each unsteady hydraulic cylinder and steel bushing case are fixed, and the piston rod head of each unsteady hydraulic cylinder and bridge pier surface offset.So, the cylinder body of each unsteady hydraulic cylinder is corresponding one by one with the cylinder base of each support hydraulic cylinder, and the piston rod head of the hydraulic cylinder that floats can slide on the bridge pier surface, when the steel bushing case fluctuates along with the relative bridge pier of the water surface, unsteady hydraulic cylinder also can float by relative together bridge pier with the support hydraulic cylinder, and when the support hydraulic cylinder on ship collision bridge pier surface, the hydraulic cylinder that floats is stressed and be tight against with the bridge pier surface, bridge pier suffered the making a concerted effort in surface is zero, also make the whole steel bushing case can not be too mobile, thereby when making unexpected the generation, the steel bushing case had certain braking action.
For saving cost, the support hydraulic cylinder can not saved in the bridge pier outside in the navigation channel part setting, be similarly and realize that steel bushing case and support hydraulic cylinder can fluctuate along with the relative bridge pier of the water surface, can do following improvement: described steel bushing case only is being placed with described support hydraulic cylinder near on that side in navigation channel, and steel bushing case inside, with opposing that side in navigation channel on be fixed with a plurality of balance hydraulic cylinders, each balance hydraulic cylinder also has been full of hydraulic medium and has been connected with described Hydraulic Station by fluid pressure line, the cylinder body sectional area of support hydraulic cylinder and balance hydraulic cylinder equates, and support hydraulic cylinder and balance hydraulic cylinder are that the center is symmetrically distributed together with the bridge pier, simultaneously, leave the space between the inboard of described steel bushing case and the bridge pier surface, the unsteady one to one mutually hydraulic cylinder in position of a plurality of and described each support hydraulic cylinder and balance hydraulic cylinder is installed in this space, each unsteady hydraulic cylinder also has been full of hydraulic medium and has been connected with Hydraulic Station by fluid pressure line, the cylinder body of each unsteady hydraulic cylinder and steel bushing case are fixed, and the piston rod head and the bridge pier surface of the hydraulic cylinder that floats offset.So, the cylinder body of each unsteady hydraulic cylinder is corresponding one by one with the cylinder base of each support hydraulic cylinder or balance hydraulic cylinder, and the piston rod head of the hydraulic cylinder that floats can slide on the bridge pier surface, when the steel bushing case fluctuates along with the relative bridge pier of the water surface, unsteady hydraulic cylinder also can with the support hydraulic cylinder, bridge pier is unsteady relatively together for balance hydraulic cylinder, and when the support hydraulic cylinder on ship collision bridge pier surface, the hydraulic cylinder that floats is stressed and be tight against with the bridge pier surface, bridge pier suffered the making a concerted effort in surface is zero, also make the whole steel bushing case can not be too mobile, thereby when making unexpected the generation, the steel bushing case power that directly is not hit has certain braking action to the steel bushing case.
Preferably, the piston rod extension elongation of described unsteady hydraulic cylinder is adjustable, to adjust the gap between piston rod head and the bridge pier, both is reached preferably cooperate.
For contact force and the increase contact area of improving above-mentioned unsteady hydraulic cylinder and bridge pier surface, the piston rod head of described unsteady hydraulic cylinder can also be provided with the liner of flange-like.
The mode that above-mentioned realization steel bushing case floats is by setting up the unsteady hydraulic cylinder of series, realization steel bushing case floats and also can utilize the support hydraulic cylinder itself to realize, promptly, can leave spacing between the inboard of described steel bushing case and the bridge pier surface, described a plurality of support hydraulic cylinder is successively along one-tenth circumferential arranged evenly one circle of described steel bushing case and at the peripheral radial structure that forms of described bridge pier, each support hydraulic cylinder is an a pair of rod composite cylinder, the first piston club head of two rod composite cylinders exposes to steel bushing case external surface, second piston rod head and bridge pier surface offset, so, second piston rod head of two rod composite cylinders can slide on the bridge pier surface, when the steel bushing case fluctuates along with the relative bridge pier of the water surface, the support hydraulic cylinder can float by relative together bridge pier with the steel bushing case, equally, when the collision accident takes place, suffered the making a concerted effort in bridge pier surface is zero, and the steel bushing case power that directly is not hit has certain braking action to the steel bushing case.
For strengthening the balance between the support hydraulic cylinder, can be connected on the piston rod head of each support hydraulic cylinder with a rope, piston rod head by this rope with all hydraulic cylinder couples together, the piston rod that makes one of them or several hydraulic cylinders is clashed into and when moving, the piston rod of adjacent hydraulic cylinder is also involved, can ensue the interlock action, make the producing balanced forces of whole hydraulic cylinder, reform after also making simultaneously Offending Ship collision support hydraulic cylinder, this rope can be common cable, also can be cable wire, steel band, net, chain or the like.The piston rod that this rope connects each the support hydraulic cylinder around the steel bushing case particularly surrounds a tough and tensile flexible band, the flexible band effect that bundle branch holds hydraulic cylinder of having an appointment, so by float hydraulic cylinder and balance hydraulic cylinder to steel bushing case or the effect that bridge pier had balanced power.
For strengthening pretective acreage to the bridge pier surface, multilayer support hydraulic cylinder up and down can be set on the described steel bushing case, the piston rod head of each layer support hydraulic cylinder is connected by a rope.
The place that is provided with the support hydraulic cylinder on the bridge pier surface can be accepted the whereabouts that the boats and ships wiping is bumped, bridge pier had protective capability exactly; thereby; the bridge pier outside just not need not to be provided with the support hydraulic cylinder in the navigation channel part; therefore, be to reduce cost, described steel bushing case surface, with opposing that side in navigation channel on can be fixed with a plurality of supporting members; supporting member can adopt metal material or non-metallic material; can be the cylinder shape, also can be hemispheric, peripheral slick and sly and be difficult for and the boats and ships scraping.
Compared with prior art, the invention has the advantages that: by many support hydraulic cylinders are set on the steel bushing case, when making Offending Ship hit the bridge pier surface, Offending Ship collision earlier is at the piston rod head of one or several support hydraulic cylinder, piston rod compresses the support hydraulic cylinder then, by hydraulic drive the pressure of hydraulic system is raise, the Hydraulic Station accumulation of energy, so, Offending Ship with kinetic energy just be absorbed and be converted to hydraulic pressure and can save, the speed of a ship or plane of Offending Ship reduces rapidly, kinetic energy reduces, when practical application, the accumulation of energy size parameter of Hydraulic Station can be provided with according to the crashproof parameter of bridge pier actual needs, and is unrestricted aspect impact resistance, and suffered the making a concerted effort of bridge pier trends towards zero, reach protective effect, compared with prior art, significantly strengthened the impact resistance of bridge pier bridge pier;
And behind the Offending Ship release unit, the piston rod of support hydraulic cylinder can return to original position again, bears the effect that external force resistance impacts again, is difficult for breaking, and safety device of the present invention is durable in use, need not to change, and long service life is convenient to maintenance and repair;
Simultaneously, realize that by between steel bushing case and bridge pier, setting up the unsteady hydraulic cylinder of series the steel bushing case floats, make the safety device of bridge pier float on the water surface all the time, with less vertical tectonic scale, give bridge pier large-scale protective capability, be specially adapted to the bridge pier protection in the big navigation channel of the height of water;
Because each support hydraulic cylinder and balance hydraulic cylinder sealing are communicated with, and all support hydraulic cylinders and balance hydraulic cylinder are symmetrically distributed, the cylinder body sectional area equates, by Pascal's law as can be known, inactive liquid pressure in the closed container equates, the hydraulic cylinder that equilibrium is arranged and cylinder diameter equates to the bridge pier comprehensive function to make a concerted effort be zero, guaranteed the safety of bridge pier.
Safety device of the present invention can apply to road guard etc. equally to be needed on the crashproof communal facilities, and guardrail and some communal facilitieies of road both sides are protected.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the lateral view of Fig. 1;
Fig. 3 is the pipeline connecting figure of hydraulic system in the embodiment of the invention one;
Fig. 4 is the structural representation of the embodiment of the invention two;
Fig. 5 is the structural representation of the embodiment of the invention three;
Fig. 6 is the structural representation of the embodiment of the invention four.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one:
As Fig. 1, Fig. 2 and shown in Figure 3, the safety device of this bridge pier comprises that the steel bushing case 2 and that is arranged on bridge pier 1 periphery is fixed on the Hydraulic Station 7 on the steel bushing case 2;
Be distributed with multilayer support hydraulic cylinder up and down on the described steel bushing case 2, each layer support hydraulic cylinder comprises a plurality of support hydraulic cylinders 3 and forms a circle in the bridge pier periphery, in the present embodiment, be provided with four layers altogether, referring to shown in Figure 2, and represented the wherein distribution of one deck support hydraulic cylinder among Fig. 1, wherein, the cylinder body 31 of each support hydraulic cylinder 3 is fixed on the steel bushing case 2, piston rod 32 heads of each support hydraulic cylinder 3 all are exposed to outside steel bushing case 2 external surfaces, piston rod 32 heads of each layer support hydraulic cylinder are all coupled together by a rope 4, by a rope 4 piston rod 32 with the support hydraulic cylinder 3 of one deck are played the interlock effect;
And, the rodless cavity of each support hydraulic cylinder 3 is connected with described Hydraulic Station 7 by fluid pressure line (not illustrating in the drawings), referring to Fig. 3, all be full of hydraulic oil in all support hydraulic cylinders 3, fluid pressure line and the Hydraulic Station 7 and formed the hydraulic system S of a sealing, in the present embodiment, Hydraulic Station 7 is installed in the safe location at steel bushing case 2 tops.
Embodiment two:
As shown in Figure 4, be the embodiment of the invention two, be with the distinctive points of embodiment one: the multilayer support hydraulic cylinder of only on close that side in navigation channel, arranging on the described steel bushing case 2, deviating from that side in navigation channel each layer three support hydraulic cylinder 3 that only distributes on the steel bushing case 2, steel bushing case 2 surfaces, with opposing that side in navigation channel on also be fixed with a plurality of supporting members 5, in the present embodiment, supporting member 5 is hemispheric cast member, and each layer is provided with four altogether.
Embodiment three:
As shown in Figure 5, be the embodiment of the invention three, be with the distinctive points of embodiment one: described a plurality of support hydraulic cylinders 3 become a circle and at the bridge pier 1 peripheral radial structure that forms along described steel bushing case 2 circumferential arranged evenly successively, leave the space between the inboard of described steel bushing case 2 and bridge pier 1 surface, the unsteady one to one mutually hydraulic cylinder 6 in a plurality of and described each support hydraulic cylinder 3 position is installed in this space, support hydraulic cylinder 3 and unsteady hydraulic cylinder 6 with one deck are that the center is symmetrically distributed with bridge pier 1 respectively, the cylinder body 61 of each unsteady hydraulic cylinder 6 is fixing with steel bushing case 2, and the liner 63 of piston rod 62 heads of each unsteady hydraulic cylinder 6 by flange-like offsets indirectly with bridge pier 1 surface, this is arranged on piston rod 62 heads of the hydraulic cylinder 6 that floats and liner 63 between bridge pier 1 surface is in order to improve contacting and increasing contact area of these piston rod 62 heads and bridge pier 1 surface, piston rod 62 extension elongations of unsteady hydraulic cylinder 6 are adjustable, to adjust the gap between piston rod 62 heads and the bridge pier 1.
In the present embodiment, each unsteady hydraulic cylinder 6 also has been full of hydraulic oil and has been connected with Hydraulic Station 7 by fluid pressure line, thus, all support hydraulic cylinders 3, hydraulic cylinder 6 floats, all be full of hydraulic oil in fluid pressure line and the Hydraulic Station 7 and formed the hydraulic system S of a sealing, because sealing is communicated with between each support hydraulic cylinder 3 and each the unsteady hydraulic cylinder 6, and all support hydraulic cylinders 3 and unsteady hydraulic cylinder 6 are symmetrically distributed, the cylinder body sectional area equates, by Pascal's law as can be known, inactive liquid pressure in the closed container equates, the hydraulic cylinder that equilibrium is arranged and cylinder diameter equates to bridge pier 1 generation effect to make a concerted effort be zero, guaranteed the safety of bridge pier 1.
Embodiment four:
As shown in Figure 6, be the embodiment of the invention four, be with the distinctive points of embodiment three: the multilayer support hydraulic cylinder of only on close that side in navigation channel, arranging on the described steel bushing case 2, and steel bushing case 2 inside, with opposing that side in navigation channel on be fixed with a plurality of balance hydraulic cylinders 8, each balance hydraulic cylinder 8 also has been full of hydraulic oil and has been connected with described Hydraulic Station 7 by fluid pressure line, the cylinder body sectional area of support hydraulic cylinder 3 and balance hydraulic cylinder 8 equates, be the center symmetrical distribution with bridge pier 1 together with the support hydraulic cylinder 3 and the balance hydraulic cylinder 8 of one deck;
Each unsteady hydraulic cylinder 6 is just corresponding with the position of the cylinder base of balance hydraulic cylinder 8 or support hydraulic cylinder 3, is that the center is symmetrically distributed with the unsteady hydraulic cylinder 6 of one deck with bridge pier 1;
And, steel bushing case 2 surfaces, with opposing that side in navigation channel on also be fixed with a plurality of supporting members 5, in the present embodiment, supporting member 5 is hemispheric cast member, each layer is provided with six altogether.
In the present embodiment, all be full of hydraulic oil in all support hydraulic cylinders 3, balance hydraulic cylinder 8, float hydraulic cylinder 6, fluid pressure line and the Hydraulic Station 7 and formed the hydraulic system S of a sealing, because each support hydraulic cylinder 3 and balance hydraulic cylinder 8 sealings are communicated with, and all support hydraulic cylinders 3 and balance hydraulic cylinder 8 and unsteady hydraulic cylinder 6 are symmetrically distributed, the cylinder body sectional area equates, by Pascal's law as can be known, inactive liquid pressure in the closed container equates, the hydraulic cylinder that equilibrium is arranged and cylinder diameter equates to bridge pier 1 generation effect to make a concerted effort be zero, guaranteed the safety of bridge pier 1.
Claims (9)
1. the safety device of a bridge pier, comprise the steel bushing case that is arranged on the bridge pier periphery, it is characterized in that: also comprise the Hydraulic Station that a relative steel bushing case is fixing, at least be placed with a plurality of support hydraulic cylinders near on that side in navigation channel on the described steel bushing case, wherein, the relative steel bushing case of the cylinder body of each support hydraulic cylinder is fixed, the piston rod head of each support hydraulic cylinder all is exposed to outside the steel bushing case external surface, and, the rodless cavity of each support hydraulic cylinder is connected with described Hydraulic Station by fluid pressure line, the rodless cavity of all support hydraulic cylinders, all be full of hydraulic medium in fluid pressure line and the Hydraulic Station and formed the hydraulic system of a sealing.
2. the safety device of bridge pier according to claim 1, it is characterized in that: described a plurality of support hydraulic cylinders are successively along one-tenth circumferential arranged evenly one circle of described steel bushing case and at the peripheral radial structure that forms of described bridge pier, leave the space between the inboard of described steel bushing case and the bridge pier surface, the unsteady one to one mutually hydraulic cylinder of a plurality of and described each support hydraulic cylinder position is installed in this space, each unsteady hydraulic cylinder also has been full of hydraulic medium and has been connected with Hydraulic Station by fluid pressure line, and described support hydraulic cylinder and unsteady hydraulic cylinder are respectively that the center is symmetrically distributed with the bridge pier, the cylinder body of each unsteady hydraulic cylinder and steel bushing case are fixed, and the piston rod head of each unsteady hydraulic cylinder and bridge pier surface offset.
3. the safety device of bridge pier according to claim 1, it is characterized in that: described steel bushing case only is being placed with described support hydraulic cylinder near on that side in navigation channel, and steel bushing case inside, with opposing that side in navigation channel on be fixed with a plurality of balance hydraulic cylinders, each balance hydraulic cylinder also has been full of hydraulic medium and has been connected with described Hydraulic Station by fluid pressure line, the cylinder body sectional area of support hydraulic cylinder and balance hydraulic cylinder equates, and support hydraulic cylinder and balance hydraulic cylinder are that the center is symmetrically distributed together with the bridge pier, simultaneously, leave the space between the inboard of described steel bushing case and the bridge pier surface, the unsteady one to one mutually hydraulic cylinder in position of a plurality of and described each support hydraulic cylinder and balance hydraulic cylinder is installed in this space, each unsteady hydraulic cylinder also has been full of hydraulic medium and has been connected with Hydraulic Station by fluid pressure line, the cylinder body of each unsteady hydraulic cylinder and steel bushing case are fixed, and the piston rod head and the bridge pier surface of the hydraulic cylinder that floats offset.
4. the safety device of bridge pier according to claim 1, it is characterized in that: leave spacing between the inboard of described steel bushing case and the bridge pier surface, described a plurality of support hydraulic cylinder is successively along one-tenth circumferential arranged evenly one circle of described steel bushing case and at the peripheral radial structure that forms of described bridge pier, each support hydraulic cylinder is two rod composite cylinders, and the first piston club head of each two rod composite cylinder exposes to steel bushing case external surface, second piston rod head and bridge pier surface and offsets.
5. according to the safety device of claim 1 or 2 or 3 or 4 described bridge piers, it is characterized in that: a rope is connected on the piston rod head of each support hydraulic cylinder.
6. according to the safety device of claim 1 or 2 or 3 or 4 described bridge piers, it is characterized in that: the described support hydraulic cylinder of multilayer up and down is set on the described steel bushing case, and the piston rod head of each layer support hydraulic cylinder is connected by a rope.
7. according to the safety device of claim 1 or 3 described bridge piers, it is characterized in that: described steel bushing case surface, with opposing that side in navigation channel on be fixed with a plurality of supporting members.
8. according to the safety device of claim 2 or 3 described bridge piers, it is characterized in that: the piston rod extension elongation of described unsteady hydraulic cylinder is adjustable.
9. according to the safety device of claim 2 or 3 described bridge piers, it is characterized in that: the piston rod head of described unsteady hydraulic cylinder also is provided with the liner of flange-like.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101326819A CN101775777B (en) | 2010-03-22 | 2010-03-22 | Safety protection device for bridge pier |
| PCT/CN2011/000421 WO2011116624A1 (en) | 2010-03-22 | 2011-03-16 | Safety protection device for bridge pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101326819A CN101775777B (en) | 2010-03-22 | 2010-03-22 | Safety protection device for bridge pier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101775777A CN101775777A (en) | 2010-07-14 |
| CN101775777B true CN101775777B (en) | 2011-09-21 |
Family
ID=42512349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101326819A Expired - Fee Related CN101775777B (en) | 2010-03-22 | 2010-03-22 | Safety protection device for bridge pier |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101775777B (en) |
| WO (1) | WO2011116624A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775777B (en) * | 2010-03-22 | 2011-09-21 | 杨光华 | Safety protection device for bridge pier |
| CN102465495A (en) * | 2010-11-17 | 2012-05-23 | 杨光华 | Protection device for pier and anti-collision pier of bridge |
| CN104314062B (en) * | 2014-10-16 | 2016-01-13 | 中国海洋石油总公司 | The crashproof ice resistant device of marine nuclear power platform cofferdam type hydraulic pressure |
| CN104480904B (en) * | 2015-01-12 | 2017-03-22 | 江苏宏远科技工程有限公司 | Modular energy dissipating device and anti-collision pipeline thereof |
| CN104818697A (en) * | 2015-03-04 | 2015-08-05 | 同济大学 | Composite material and rubber combination type box bridge anti-collision device |
| CN105887735B (en) * | 2016-06-12 | 2018-10-23 | 南京广博工程技术有限公司 | Floating two-stage buffer collision-preventing system |
| CN109137831B (en) * | 2018-10-26 | 2023-12-12 | 武汉海威船舶与海洋工程科技有限公司 | Double-arrow type bridge pier protection device |
| CN109137832B (en) * | 2018-10-26 | 2023-12-12 | 武汉海威船舶与海洋工程科技有限公司 | Bridge pier protecting device |
| CN111749200B (en) * | 2020-06-16 | 2022-02-22 | 湖南工程学院 | Bridge anticollision energy storage resilience sliding buffering energy dissipation device |
| CN113622288B (en) * | 2021-08-25 | 2023-03-28 | 北旺路桥建设有限公司 | Flood prevention protection device for bridge pier |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043545A (en) * | 1974-03-22 | 1977-08-23 | Halliburton Company | Sealed cushioning unit |
| US4884919A (en) * | 1989-02-23 | 1989-12-05 | Moore Joe T | Pier cushioning system |
| JP2000248531A (en) * | 1999-02-26 | 2000-09-12 | Akihiro Kiyono | Shock absorbing ring |
| CN201155099Y (en) * | 2007-12-18 | 2008-11-26 | 肖文倩 | Floating round constant section anticollision device for bridge pier |
| CN101215826B (en) * | 2007-12-28 | 2010-12-29 | 广州广船国际股份有限公司 | Anti-collision device for bridge |
| CN101775777B (en) * | 2010-03-22 | 2011-09-21 | 杨光华 | Safety protection device for bridge pier |
| CN201665838U (en) * | 2010-03-22 | 2010-12-08 | 杨光华 | Safety protection device for bridge pier |
-
2010
- 2010-03-22 CN CN2010101326819A patent/CN101775777B/en not_active Expired - Fee Related
-
2011
- 2011-03-16 WO PCT/CN2011/000421 patent/WO2011116624A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011116624A1 (en) | 2011-09-29 |
| CN101775777A (en) | 2010-07-14 |
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