CN101302741B - Bridge base pillar protecting device - Google Patents
Bridge base pillar protecting device Download PDFInfo
- Publication number
- CN101302741B CN101302741B CN2008100292822A CN200810029282A CN101302741B CN 101302741 B CN101302741 B CN 101302741B CN 2008100292822 A CN2008100292822 A CN 2008100292822A CN 200810029282 A CN200810029282 A CN 200810029282A CN 101302741 B CN101302741 B CN 101302741B
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- CN
- China
- Prior art keywords
- protecting device
- push rod
- base pillar
- bridge base
- bridge
- Prior art date
- 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.)
- Expired - Fee Related
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- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a protecting device of a wholesale bridge pillar that has the following structure: an impact wheel is movably fixed at the front end of a buffer push rod, a lateral protecting board is connected with a flexible jointing board, the buffer push rod is connected with a movable water gate board through a connecting rod, an air-actuated drive rod is arranged on the movable water gate board and connected with other air-actuated drive rod through a reverse wheel, the lateral protecting board is connected on a sealed float chamber through the connecting rod, and through the sealed float chamber, the protecting device ascends and descends along with the rising and falling of water level, floats on water, and can always be protective regardless of the height of the water level. The protecting device of the wholesale bridge pillar can always be protective when the wholesale bridge pillar is impacted by various boats from different directions, and has simple structure and easy implementation.
Description
Technical field
The present invention relates to bridge base pillar protecting device, relate to a kind of protective device of offsetting the active force of ship bump bridge base pillar in particular.
Background technology
Past, Bridges in Our Country is built because various odjective causes, fail in the design-build process to consider that bridge is because of being subjected to the situation that various external force are collapsed, patent 200580000042.4 discloses a kind of girder bridge protection device, it comprises sacrifice mems and constraint component, this sacrifice mems comprises: beam, and it is installed on the upper surface of bridge chair of abutment or bridge pier, to support bridge floor; The main support member of symmetry, it connects two beams and has tubular structure; Auxiliary supports, its middle body along the direction vertical with the axis direction of described main support member from this main support member stretches out; This constraint component is fixed on the bridge seat of abutment or bridge pier and comprises holding portion, thereby makes auxiliary supports from this holding portion along front and rear direction and along left and right direction separately, thereby controls the behavior of described auxiliary supports.The technology of this patent disclosure is to utilize sacrifice mems, and the protection bridge does not collapse when earthquake.
But the Jiujiang Bridge that takes place this year is subjected to collapse behind 3000 tons of large junks bump and the Zhoushan bridge spanning the sea in Zhejiang by 7000 tons of freighters bump back fracture landslide incidents, the traffic of this area is caused tremendous influence and loss.Impulse conservation law principle (momentum theory) on the applied physics:
I=Δ P calculates I=FT
ΔP＝P
1-P
2＝mv
1-mv
2
Impact force (hitting power) F=(mv
1-mv
2)/t
Speed was 5-10m/s when ship navigated by water usually, and the wholesale of bump bridge is lower than 0.1 second action time.If the active force that 3000 tons of freighters produce when buying wholesale with 5m/s speed bump bridge is 1.5 * 10
8Newton is that all bridge base pillars of the present design-build of China are all unaffordable.
So, need a kind of protective device of resisting the wholesale of ship bump bridge of invention.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of simple in structure, easy for installation, strong bridge base pillar protecting device of buffering resistance ship impact is provided.
The object of the present invention is achieved like this:
A kind of bridge base pillar protecting device; its structural feature is: collision wheel 1 is fixed on damper push rod 2 front ends; side shield plate 9 is connected with damper push rod 2 by soft fishplate bar 10; the other end of damper push rod 2 is connected with mobile water board 7; mobile water board 7 is provided with pneumatic actuation bar 5; pneumatic actuation bar 5 flexibly connects by the mobile water board of reverse wheel 8 with pneumatic actuation bar 13 and opposite side, and side shield plate 9 is connected on the sealing buoyancy tank 4 by connector 3.
Above-mentioned sealing buoyancy tank 4 is a 1-3 rice highly, swim in bridge base pillar 6 around.
Above-mentioned damper push rod 2 is provided with spring 11.
Above-mentioned connector 3 is provided with spring 12.
Above-mentioned mobile water board is equipped with directive wheel 14 in both sides about in the of 7
The present invention has following characteristics compared with the prior art:
1, device of the present invention can be installed in the upstream and downstream of bridge base pillar, and the post of will buying wholesale is surrounded, and when ship clashes into, can avoid ship directly to clash into wholesale post or prolongation collision time, the counterforce counteraction ship effect of impact power of utilizing hydraulic pressure and spring to produce simultaneously.When the ship bump was of the present invention, damper push rod promoted mobile water valve plate and moves to bridge wholesale post direction, makes two-sided mobile water valve plate both sides differential water pressures occur, can offset or make the active force of impulsive contact force bump wholesale post to reduce, and played a protective role.
2, the wheel of the collision among the present invention is movably connected on the damper push rod, rotatable, when the tip ship hits, can change the travel direction of ship, avoid ship directly to clash into the wholesale post, and under the effect of side shield plate 9, soft fishplate bar 10 and spring 12, reduce impact to the bridge base pillar side.
3, sealing buoyancy tank of the present invention swims in around the bridge base pillar, following water-level lifting and lifting, and swim on the water surface, no matter the water level height all can play a protective role.
4, the pneumatic actuation bar of two pairs of symmetries is set is when protective device is worked in the present invention; be delivered to impact force on the mobile water board of pneumatic actuation bar 13 and opposite side by reverse wheel 8; another side at bridge base pillar also produces same reaction force and cushion effect; guarantee that device does not take place uneven because of the ship bump; and; its reaction force can prolong the ship collision time, the active force that reduces to clash into.
5, the present invention can both play a protective role when various ships clash into the wholesale post from different directions, and simple in structure, is easy to realize.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the A-A view of Fig. 1
The specific embodiment
Embodiment 1
A kind of bridge base pillar protecting device; as shown in Figure 1 and Figure 2; a kind of bridge base pillar protecting device; its structural feature is: collision wheel 1 is fixed on damper push rod 2 front ends; side shield plate 9 is connected with damper push rod 2 by soft fishplate bar 10; the other end of damper push rod 2 is connected with mobile water board 7; mobile water board 7 is provided with pneumatic actuation bar 5; pneumatic actuation bar 5 flexibly connects by the mobile water board of reverse wheel 8 with pneumatic actuation bar 13 and opposite side, and side shield plate 9 is connected on the sealing buoyancy tank 4 by connector 3.The sealing buoyancy tank 4 be 2 meters highly, swim in bridge base pillar 6 around.Damper push rod 2 is provided with spring 11.Connector 3 is provided with spring 12.Mobile water board is equipped with directive wheel 14 in both sides about in the of 7.
Claims (4)
1. a bridge base pillar protecting device is characterized in that: collide wheel (1) and be fixed on damper push rod
(2) front end, side shield plate (9) is connected with damper push rod (2) by soft fishplate bar (10), damper push rod (2) is provided with spring (11), the other end of damper push rod (2) is connected with mobile water board (7), mobile water board (7) is provided with the first pneumatic actuation bar (5), the first pneumatic actuation bar (5) flexibly connects by the mobile water board of reverse wheel (8) with the second pneumatic actuation bar (13) and opposite side, and side shield plate (9) is connected on the sealing buoyancy tank (4) by connector (3).
2. according to the described a kind of bridge base pillar protecting device of claim 1, it is characterized in that: above-mentioned sealing buoyancy tank (4) is highly for 1-3 rice, swim in bridge base pillar (6) around.
3. according to the described a kind of bridge base pillar protecting device of claim 1, it is characterized in that: connector (3) is provided with spring (12).
4. according to the described a kind of bridge base pillar protecting device of claim 1, it is characterized in that: mobile water board (7) both sides up and down is equipped with directive wheel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100292822A CN101302741B (en) | 2008-07-02 | 2008-07-02 | Bridge base pillar protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100292822A CN101302741B (en) | 2008-07-02 | 2008-07-02 | Bridge base pillar protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101302741A CN101302741A (en) | 2008-11-12 |
| CN101302741B true CN101302741B (en) | 2010-09-29 |
Family
ID=40112810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100292822A Expired - Fee Related CN101302741B (en) | 2008-07-02 | 2008-07-02 | Bridge base pillar protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101302741B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267387A (en) * | 2020-11-19 | 2021-01-26 | 中国铁建大桥工程局集团有限公司 | Pushing equipment and steel box girder pushing method based on pushing equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286937A (en) * | 2011-07-11 | 2011-12-21 | 株洲时代新材料科技股份有限公司 | Isolation type dual-protection pier collision prevention method and device adopting auxiliary piers |
-
2008
- 2008-07-02 CN CN2008100292822A patent/CN101302741B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267387A (en) * | 2020-11-19 | 2021-01-26 | 中国铁建大桥工程局集团有限公司 | Pushing equipment and steel box girder pushing method based on pushing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101302741A (en) | 2008-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20120702 |