CN110373994A - Assembled bridge pier with vibration-damping function - Google Patents
Assembled bridge pier with vibration-damping function Download PDFInfo
- Publication number
- CN110373994A CN110373994A CN201910776505.XA CN201910776505A CN110373994A CN 110373994 A CN110373994 A CN 110373994A CN 201910776505 A CN201910776505 A CN 201910776505A CN 110373994 A CN110373994 A CN 110373994A
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- CN
- China
- Prior art keywords
- bridge pier
- vibration
- boss
- torus
- damping
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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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- 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
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of assembled bridge pier with vibration-damping function, the assembly unit of an entirety can be successively spliced into including several from top to bottom；The assembly unit includes bridge pier cell cube and vibration damping torus；Outwardly convex forms boss at the top of the bridge pier cell cube, and the bridge pier unit bottom is recessed inwardly to form groove, and the boss outer diameter is equal to groove internal diameter, and the boss height is greater than depth of groove；The vibration damping torus is sheathed on outside boss, and the vibration damping torus height is equal to the difference of boss height and depth of groove；The vibration damping torus includes closed toroidal shell, axle sleeve, blade, hollow hemisphere, solid ball and liquid.Assembled bridge pier provided by the invention with vibration-damping function can reduce the Oscillation Amplitude and vibration frequency of bridge pier, reduce the influence of wind load, driving load and earthquake for bridge pier.
Description
Technical field
The invention belongs to technical field of bridge construction, and in particular to a kind of assembled bridge pier with vibration-damping function.
Background technique
Assembled bridge pier is prefabricated in the factory after each assembly unit, a kind of lane bridge directly assembled at the construction field (site)
Building technology can reduce construction cost, shorten the construction period, and can reduce the traffic to construction site periphery and environment
Influence.Assembled bridge pier can vibrate under the influence of the extraneous factors such as wind load, driving load, if the vibration width of bridge pier
The service life of bridge will be will affect by spending big frequency height, while when earthquake occurs, and not have what the bridge pier of vibration-damping function was subject to
It destroys even more serious.
Therefore, in order to solve the above problem, a kind of assembled bridge pier with vibration-damping function is needed, can reduce the vibration of bridge pier
Dynamic amplitude and vibration frequency reduce the influence of wind load, driving load and earthquake for bridge pier.
Summary of the invention
In view of this, providing the assembled with vibration-damping function the purpose of the present invention is overcoming defect in the prior art
Bridge pier can reduce the Oscillation Amplitude and vibration frequency of bridge pier, reduce wind load, driving load and earthquake for the shadow of bridge pier
It rings.
Assembled bridge pier with vibration-damping function of the invention, including several can successively be spliced into from top to bottom one it is whole
The assembly unit of body；The assembly unit includes bridge pier cell cube and vibration damping torus；Convex at the top of the bridge pier cell cube
It rises and forms boss, bridge pier cell cube bottom is recessed inwardly to form groove, and the boss outer diameter is equal to groove internal diameter, described convex
Platform height is greater than depth of groove；The vibration damping torus is sheathed on outside boss, and the vibration damping torus height is equal to boss height
The difference of degree and depth of groove；The vibration damping torus includes closed toroidal shell, closed circular casing is arranged in a rotatable manner
Endoceliac axle sleeve, is separately fixed at each blade bottom at several blades being circumferentially arranged on axle sleeve outer wall at equal intervals
Hollow hemisphere, the solid ball being respectively placed in each hollow hemisphere body and the liquid being arranged in closed toroidal shell
Body.
Further, supple buffer layer is provided at the top of the vibration damping torus, the vibration damping torus internal diameter is equal to convex
Platform outer diameter.
Further, the closed toroidal shell includes shell bottom, cap, inside ring wall and outside ring wall, the interior side ring
Wall and outside ring wall are radially set gradually, and the inside ring wall and outside ring wall pass through shell bottom and cap formation airtight chamber,
The axle sleeve is sheathed on inside ring wall and axle sleeve and inside ring wall are clearance fit.
Further, when the vibration damping torus is horizontal positioned, the hollow hemisphere and shell bottom abutting contact, the liquid
The liquid level of body is not higher than vane tip.
Further, gap is provided between the blade and outside ring wall.
Further, the liquid is methyl-silicone oil, and the solid ball is porcelain ball, and the supple buffer layer is rubber pad
Piece.
Further, circumferentially spaced in the bridge pier cell cube to be provided with multiple spacer bar mounting holes, the positioning
Reinforcement installation is equipped with spacer bar in hole.
Further, the spacer bar mounting hole axis is parallel with bridge pier unit body axis, the spacer bar installation
Hole is formed through from the hole on boss to groove direction.
Further, the spacer bar, which extends outwardly, protrudes from boss, and the spacer bar length is no more than positioning steel
Muscle installs hole length.
The beneficial effects of the present invention are: a kind of assembled bridge pier with vibration-damping function disclosed by the invention, when bridge pier by
When the influence of wind load, driving load and earthquake is vibrated, vibration can be transferred to closed toroidal shell, at this moment on the one hand shake
Dynamic energy can make liquid shake, and liquid sloshing band movable vane piece is shaken so as to cause axle sleeve rotation, another aspect closed loop
Shape hull vibration and axle sleeve rotation can also be such that hollow hemisphere moves, and solid sphere can be mobile from minimum point during the motion
The other positions into hollow hemisphere, then return to minimum point under the effect of gravity, and energy can be by liquid during above-mentioned
Shaking, axle sleeve rotation and solid sphere movement consumption, so that the amplitude and frequency of bridge pier vibration are reduced, reduction wind load, row
The influence of vehicle-mounted lotus and earthquake for bridge pier.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of bridge pier cell cube of the invention；
Fig. 3 is the schematic cross-section of bridge pier cell cube of the invention；
Fig. 4 is the structural schematic diagram of vibration damping torus of the invention；
Fig. 5 is the schematic cross-section of vibration damping torus of the invention；
Fig. 6 is that the intracorporal axle sleeve of vibration damping annulus of the invention, blade, hollow hemisphere and solid ball connection structure are shown
It is intended to.
Specific embodiment
Fig. 1 is the structural diagram of the present invention, and Fig. 2 is the structural schematic diagram of bridge pier cell cube of the invention, and Fig. 3 is this hair
The schematic cross-section of bright bridge pier cell cube, Fig. 4 are the structural schematic diagram of vibration damping torus of the invention, and 5 subtract to be of the invention
Shake the schematic cross-section of torus, and Fig. 6 is the intracorporal axle sleeve of vibration damping annulus of the invention, blade, hollow hemisphere and solid
Ball attachment structure schematic diagram.As shown in figs 1 to 6, the assembled bridge pier with vibration-damping function in the present embodiment, if including
Dry can successively be spliced into the assembly unit of an entirety from top to bottom；The assembly unit includes bridge pier cell cube 1 and vibration damping
Torus 2；The 1 top outwardly convex of bridge pier cell cube forms boss 101, and 1 bottom of bridge pier cell cube is recessed inwardly shape
At groove 102,101 outer diameter of boss is equal to 102 internal diameter of groove, and 101 height of boss is greater than 102 depth of groove；It is described
Vibration damping torus 2 is sheathed on outside boss 101, and 2 height of vibration damping torus is equal to 101 height of boss and 102 depth of groove
Difference；The vibration damping torus 2 includes closed toroidal shell 201, that closed toroidal shell 201 is arranged in a rotatable manner is intracavitary
Axle sleeve 202, be circumferentially arranged at equal intervals on 202 outer wall of axle sleeve several blades 203, be separately fixed at each blade
The hollow hemisphere 204 of 203 bottoms, the solid ball 205 being respectively placed in each hollow hemisphere 204 and setting are closed
Liquid 206 in toroidal shell 201.In use, be prefabricated in the factory bridge pier cell cube 1 and vibration damping torus 2, then by bridge pier list
First body 1 and vibration damping torus 2 are assembled into assembly unit, and a assembly unit is successively assembled into an entirety from top to bottom,
Realize the assembly of bridge pier, when two neighboring bridge pier cell cube 1 is assembled, the insertion of the boss 101 top bridge pier of lower section bridge pier cell cube 1
The groove 102 of cell cube 1, and it is equal to boss 101 since 101 height of boss is greater than 102 depth of groove and 2 height of vibration damping torus
The difference of height and 102 depth of groove, so the upper and lower end face of vibration damping torus 2 is contacted with the two bridge pier cell cubes 1 respectively.When
When bridge pier is influenced to vibrate by wind load, driving load and earthquake, vibration can be transferred to closed toroidal shell 201, this
When on the one hand vibration energy liquid 206 can be made to shake, liquid 206 shake band movable vane piece 203 shake so as to cause axle sleeve
202 rotations, on the other hand the closed vibration of toroidal shell 201 and the rotation of axle sleeve 202 can also be such that hollow hemisphere 204 moves,
Solid sphere can be moved to other positions in hollow hemisphere 204 from minimum point in motion process, then return under the effect of gravity
To minimum point, energy can be shaken by liquid 206 during above-mentioned, the rotation of axle sleeve 202 and solid sphere movement consume, from
And the amplitude and frequency of bridge pier vibration are reduced, reduce the influence of wind load, driving load and earthquake for bridge pier.
In the present embodiment, supple buffer layer 207,2 internal diameter of vibration damping torus are provided at the top of the vibration damping torus 2
Equal to 101 outer diameter of boss.Supple buffer layer 207 can adapt to expanding with heat and contract with cold for bridge pier cell cube 1, avoid vibration damping torus 2 by
The compressing of upper and lower two sides bridge pier cell cube 1 and damage.
In the present embodiment, the closed toroidal shell 201 includes shell bottom 201a, cap 201b, inside ring wall 201c and outer
Side ring wall 201d, the inside ring wall 201c and outside ring wall 201d are radially set gradually, the inside ring wall 201c and outer
Side ring wall 201d forms airtight chamber by shell bottom 201a and cap 201b, the axle sleeve 202 be sheathed on inside ring wall 201c and
Axle sleeve 202 and inside ring wall 201c are clearance fit.Clearance fit makes between axle sleeve 202 and inside ring wall 201c that there are gaps, close
The liquid 206, which is able to enter between axle sleeve 202 and inside ring wall 201c, after the interior filling liquid 206 of closed-loop shaped shell 201 is lubricated.
In the present embodiment, when the vibration damping torus 2 is horizontally arranged, the hollow hemisphere 204 and shell bottom 201a against
Contact, the liquid level of the liquid 206 is not higher than 203 top of blade.Hollow hemisphere 204 is directly contacted with shell bottom 201a convenient for vibration
Dynamic energy transmission to hollow hemisphere 204, the liquid level of liquid 206 is not higher than at the top of blade 203 and is easy to implement liquid 206
Band movable vane piece 203 is mobile when shaking.
In the present embodiment, gap is provided between the blade 203 and outside ring wall 201d.Blade 203 in the present embodiment
There are two settings, and blade 203 and axle sleeve 202 will be divided into two chambers in closed toroidal shell 201, hollow hemisphere 204 is distinguished
Have spacing with inside ring wall 201c and outside ring wall 201d, thus above-mentioned two cavity bottom be connected to it is logical, so two
The liquid level of chamber flushes, when liquid 206 shakes and blade 203 is mobile, if in blade 203 and outside ring wall 201d
Between gap is set, the liquid 206 of two chambers can exchange by not only near hollow hemisphere 204 between clearance flow
It is dynamic, can also be flowed through in gap between blade 203 and outside ring wall 201d, on the one hand can the movement of blade 203 be more easier, it is another
Aspect also makes the liquid 206 in two chambers be easier to keep liquid level identical.
In the present embodiment, the liquid 206 is methyl-silicone oil, and the solid ball 205 is porcelain ball, the supple buffer layer
207 be rubber sheet gasket.Methyl-silicone oil is not volatile, can not only vibrationproof, moreover it can be used to lubricate；Porcelain ball hardness is high, wear-resistant；Rubber
Glue gasket is common flexible buffer material.
It is circumferentially spaced in the bridge pier cell cube 1 to be provided with multiple 103 mounting holes 104 of spacer bar in the present embodiment,
Spacer bar 103 is installed in 103 mounting hole 104 of spacer bar.Boss 101 and the cooperation of groove 102 can limit bridge pier
4 spacer bars 103, which are arranged, in cell cube 1 axially movable, in the present embodiment can prevent two neighboring bridge pier cell cube 1 opposite
Rotation.Certainly, the main body of bridge pier cell cube 1 is manufactured using armored concrete in the prior art, only shows positioning in attached drawing
Reinforcing bar 103 does not show that the bar construction in armored concrete.
In the present embodiment, 103 mounting hole of spacer bar, 104 axis is parallel with 1 axis of bridge pier cell cube, the positioning
103 mounting hole 104 of reinforcing bar is formed through from the hole on boss 101 to 102 direction of groove.In order to not influence vibration damping torus 2
Spacer bar 103 is arranged on boss 101 for installation.
In the present embodiment, the spacer bar 103, which extends outwardly, protrudes from boss 101, and 103 length of spacer bar is not
Greater than 103 mounting hole of spacer bar, 104 length.After spacer bar 103 is mounted in 103 mounting hole 104 of spacer bar, due to it
Length is less than 103 mounting hole of spacer bar, 104 length and one end protrudes from boss 101, so 103 mounting hole 104 of spacer bar
Can be there are space, when the assembling of two neighboring bridge pier cell cube 1, the spacer bar 103 of lower section bridge pier cell cube 1 is inserted into
103 mounting hole 104 of spacer bar of square bridge pier cell cube 1 realizes positioning, prevents two bridge pier cell cubes 1 from relatively rotating.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. the assembled bridge pier with vibration-damping function, it is characterised in that: can successively be spliced into one from top to bottom including several
Whole assembly unit；The assembly unit includes bridge pier cell cube and vibration damping torus；At the top of the bridge pier cell cube outward
Boss is convexed to form, bridge pier cell cube bottom is recessed inwardly to form groove, and the boss outer diameter is equal to groove internal diameter, described
Boss height is greater than depth of groove；The vibration damping torus is sheathed on outside boss, and the vibration damping torus height is equal to boss
The difference of height and depth of groove；The vibration damping torus includes closed toroidal shell, closed annular is arranged in a rotatable manner
Axle sleeve in housing chamber, is separately fixed at each blade bottom at several blades being circumferentially arranged on axle sleeve outer wall at equal intervals
The hollow hemisphere in portion, the solid ball being respectively placed in each hollow hemisphere body and the liquid being arranged in closed toroidal shell
Body.
2. the assembled bridge pier according to claim 1 with vibration-damping function, it is characterised in that: vibration damping torus top
Portion is provided with supple buffer layer, and the vibration damping torus internal diameter is equal to boss outer diameter.
3. the assembled bridge pier according to claim 2 with vibration-damping function, it is characterised in that: the closed toroidal shell
Including shell bottom, cap, inside ring wall and outside ring wall, the inside ring wall and outside ring wall are radially set gradually, described interior
Side ring wall and outside ring wall form airtight chamber by shell bottom and cap, and the axle sleeve is sheathed on inside ring wall and axle sleeve and inside
Ring wall is clearance fit.
4. the assembled bridge pier according to claim 3 with vibration-damping function, it is characterised in that: the vibration damping torus water
When placing flat, the liquid level of the hollow hemisphere and shell bottom abutting contact, the liquid is not higher than vane tip.
5. the assembled bridge pier according to claim 4 with vibration-damping function, it is characterised in that: the blade and outer side ring
Gap is provided between wall.
6. the assembled bridge pier according to claim 4 with vibration-damping function, it is characterised in that: the liquid is methyl silicon
Oil, the solid ball are porcelain ball, and the supple buffer layer is rubber sheet gasket.
7. the assembled bridge pier according to claim 1 with vibration-damping function, it is characterised in that: in the bridge pier cell cube
It is circumferentially spaced to be provided with multiple spacer bar mounting holes, spacer bar is installed in the spacer bar mounting hole.
8. the assembled bridge pier according to claim 7 with vibration-damping function, it is characterised in that: the spacer bar installation
Axially bored line is parallel with bridge pier unit body axis, and the spacer bar mounting hole is formed through from the hole on boss to groove direction.
9. the assembled bridge pier according to claim 8 with vibration-damping function, it is characterised in that: the spacer bar is outside
Extension protrudes from boss, and the spacer bar length installs hole length no more than spacer bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776505.XA CN110373994B (en) | 2019-08-22 | 2019-08-22 | Assembled pier with damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776505.XA CN110373994B (en) | 2019-08-22 | 2019-08-22 | Assembled pier with damping function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110373994A true CN110373994A (en) | 2019-10-25 |
| CN110373994B CN110373994B (en) | 2020-11-24 |
Family
ID=68260213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910776505.XA Active CN110373994B (en) | 2019-08-22 | 2019-08-22 | Assembled pier with damping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110373994B (en) |
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|---|---|---|---|---|
| KR20040046673A (en) * | 2002-11-28 | 2004-06-05 | 동양종합건업 주식회사 | Precast Tall Pier for Bridge and Constructing Method therefor |
| KR20050088591A (en) * | 2004-03-02 | 2005-09-07 | 학교법인 울산공업학원 | Aseismatic and reinforcing device of a lower structure of a bridge |
| JP2007182986A (en) * | 2005-12-05 | 2007-07-19 | Mitsubishi Heavy Ind Ltd | Vibration reducing damper |
| KR20080057108A (en) * | 2006-12-19 | 2008-06-24 | 재단법인 포항산업과학연구원 | Assembling-type pier |
| KR20080057514A (en) * | 2006-12-20 | 2008-06-25 | 재단법인 포항산업과학연구원 | Pier structure having precast segment |
| CN203626078U (en) * | 2013-12-17 | 2014-06-04 | 湖南科技大学 | Ultra-low frequency modulation quality damper |
| CN106087715A (en) * | 2016-08-19 | 2016-11-09 | 南京工业大学 | Damping device and damping method for assembled pier |
| CN106567591A (en) * | 2016-10-28 | 2017-04-19 | 同济大学 | Multilayer tuned liquid damper |
| KR20180078769A (en) * | 2016-12-30 | 2018-07-10 | 이성 | Assembling type pier |
| CN207812275U (en) * | 2018-01-24 | 2018-09-04 | 浙江工业职业技术学院 | A kind of assembled bridge pier |
| CN108914765A (en) * | 2018-08-15 | 2018-11-30 | 石家庄铁道大学 | A kind of replaceable assembled damping bridge pier |
| CN208533755U (en) * | 2018-05-07 | 2019-02-22 | 同济大学 | Bead string type spring granule damper |
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2019
- 2019-08-22 CN CN201910776505.XA patent/CN110373994B/en active Active
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| CN203626078U (en) * | 2013-12-17 | 2014-06-04 | 湖南科技大学 | Ultra-low frequency modulation quality damper |
| CN106087715A (en) * | 2016-08-19 | 2016-11-09 | 南京工业大学 | Damping device and damping method for assembled pier |
| CN106567591A (en) * | 2016-10-28 | 2017-04-19 | 同济大学 | Multilayer tuned liquid damper |
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| CN208533755U (en) * | 2018-05-07 | 2019-02-22 | 同济大学 | Bead string type spring granule damper |
| CN108914765A (en) * | 2018-08-15 | 2018-11-30 | 石家庄铁道大学 | A kind of replaceable assembled damping bridge pier |
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| 叶松林: "《精密机械仪器零件》", 31 May 1989, 浙江大学出版社 * |
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|---|---|
| CN110373994B (en) | 2020-11-24 |
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Effective date of registration: 20201023 Address after: Unit 403, unit 5, century building, Lubei street, Luqiao District, Taizhou City, Zhejiang Province Applicant after: Taizhou jiawo Technology Co.,Ltd. Address before: 402246 no.57-17, Shuanghe Road, Shuangfu street, Jiangjin District, Chongqing (1-36, building 1, Tongfu International Building) Applicant before: Chongqing Dexin Jiyuan Technology Co.,Ltd. |
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Effective date of registration: 20230818 Address after: 431400 No. 3, East Side of Wangxing Road, Wangji Street, Xinzhou District, Wuhan City, Hubei Province Patentee after: WUHAN SANMU HESEN CONSTRUCTION Co.,Ltd. Address before: Room 403, unit 5, century building, Lubei street, Luqiao District, Taizhou City, Zhejiang Province 318050 Patentee before: Taizhou jiawo Technology Co.,Ltd. |
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