CN109024246A - A kind of bridge damping structure and its spherical bearing with damper restriction function - Google Patents
A kind of bridge damping structure and its spherical bearing with damper restriction function Download PDFInfo
- Publication number
- CN109024246A CN109024246A CN201811141804.8A CN201811141804A CN109024246A CN 109024246 A CN109024246 A CN 109024246A CN 201811141804 A CN201811141804 A CN 201811141804A CN 109024246 A CN109024246 A CN 109024246A
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- China
- Prior art keywords
- damper
- support
- spherical bearing
- bridge
- attachment base
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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
-
- 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
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bridge damping structure and its spherical bearing with damper restriction function, bridge damping structure setting is between top of bridge pier and girder steel bottom, including attachment base, spherical bearing and the damper being arranged between spherical bearing, attachment base, one end of damper is connect with otic placode, the other end is arranged on attachment base, spherical bearing includes pendulum, the support bottom and spherical crown liner plate on support, and the top put on support is fixed by boss and girder steel bottom；The support bottom is anchored in top of bridge pier；Spherical crown liner plate is arranged on the support bottom and support between pendulum.The present invention, the spherical bearing of large bridge is combined together with damper, by laying out setting damper connection otic placode on the support, utilize the damping force of the stiction balance damper on support between pendulum and girder, connecting structure needed for making damper is greatly simplified, has been effectively saved the construction space of top of bridge pier, saves project cost, easy for construction, construction is succinct.
Description
Technical field
The present invention relates to bridge constructions, and in particular to a kind of bridge damping structure and its ball-type with damper restriction function
Support.
Background technique
Shanghai Changjiang River bridge is the node engineering that Shanghai leads to that railway crosses over the Changjiang river, and main bridge is that a combined super-large span is oblique
Drawing bridge, 1092 meters of main span, 2296 meters of overall length.The bridge uses steel case steel truss composite structure girder, and upper 6 lane of layer arrangement high speed is public
Road, lower 4 line railway of layer arrangement, wherein I grades of railways of 2 line, 2 line Lines for Passenger Transportation.The bridge dead load, mobile load are huge, and seismic response is big, often
Rule damper is difficult to meet the requirement of bearing capacity.
Conventional damper is that one end of damper is connected on girder, and the other end is connected on bridge pier.With span
Increase, the damping force needed increases severely, and the maximum damping force as provided by damper is 200t, needs to be arranged 12 dampers
Meet damping force demand.
For scale as the Changjiang River bridge of Shanghai, using conventional damper type of attachment, damper one end connects
It needs to increase additional construction on bottom plane of main girder, girder, the space for connecting needs is excessive, and scheme is difficult to realize, and stablizes journey
Degree not can guarantee.
In view of this, being badly in need of improving the structure of existing damper, to simplify structure, construction efficiency is improved.
Summary of the invention
The technical problem to be solved by the present invention is to existing dampers not to be suitable for Longspan Bridge, complicated ask of constructing
Topic.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that providing one kind has the function of damper restriction
Spherical bearing, comprising:
It is put on support, is axially vertically disposed round tube shape structure, top is fixed by boss and girder steel bottom, periphery
Face is equipped with pairs of otic placode；
The support bottom, is anchored in top of bridge pier；
Spherical crown liner plate is arranged on the support bottom and support between pendulum, and the bottom put on the support is equipped with and institute
State the cancave cambered surface of spherical crown liner plate cooperation.
In another preferred embodiment, the plate is two pairs, is symmetricly set on the two sides put on the support.
In another preferred embodiment, the corresponding central angle of the spherical crown liner plate is 10~30 °.
In another preferred embodiment, the support bottom is slab construction, and four corners are equipped with anchor hole.
The present invention also provides a kind of bridge damping structure, be arranged between top of bridge pier and girder steel bottom, including attachment base, on
The damper stating the spherical bearing of structure and being arranged between the spherical bearing, the attachment base, one end of the damper
It is connect with the otic placode, the other end is arranged on the attachment base.
In another preferred embodiment, the attachment base is triangular shape, is arranged in pairs, which is provided with pin shaft, institute
Damper is stated to be arranged on the pin shaft.
In another preferred embodiment, the attachment base is two, is symmetricly set on two put on the support
Side.
Compared with prior art, of the invention, the spherical bearing of large bridge is combined together with damper, meets stress
Under the premise of it is required that, by laying out setting damper connection otic placode on the support, the static friction on support between pendulum and girder is utilized
The damping force of dynamic balance damper, connecting structure needed for making damper is greatly simplified, avoids damper and directly connects with girder
Required huge construction space is connect, has been effectively saved the construction space of top of bridge pier, saves project cost, it is with high content of technology, make
Valence is saved, is easy for construction, construction is succinct, handsome in appearance, has been successfully applied to Shanghai Changjiang River non-major P.E.subject engineering, big at present
Construction drawing design is completed in bridge, is building, and has good practical application effect.
Detailed description of the invention
Fig. 1 is the elevational schematic view of bridge damping structure of the invention；
Fig. 2 is the elevational schematic view of spherical bearing of the invention；
Fig. 3 is the A-A direction view of Fig. 2.
Specific embodiment
The present invention provides a kind of bridge damping structure and the spherical bearing with damper restriction function, it is effectively saved
Project cost is saved in the construction space of top of bridge pier, and easy for construction, construction is succinct.With reference to the accompanying drawings of the specification and it is embodied
Mode is described in detail the present invention.
As shown in figures 1 and 3, a kind of spherical bearing with damper restriction function provided by the invention, including on support
Pendulum 1, the support bottom 3 and spherical crown liner plate 7.On support pendulum 1 be axially vertically disposed round tube shape structure, top by boss with
Girder steel bottom 8 is fixed, and outer peripheral surface is equipped with pairs of otic placode 4.Pendulum 1 is for fixed with girder steel bottom 8 on support, and is provided with otic placode
4, otic placode 4 provides support for the installation fixation of damper 2.
The support bottom 3 is anchored in top of bridge pier 9, and spherical crown liner plate 7 is arranged on the support bottom 3 and support between pendulum 1, support
The bottom of upper pendulum 1 is equipped with the cancave cambered surface cooperated with spherical crown liner plate 7.The top surface of spherical crown liner plate 7 is placed on support the recessed of the bottom of pendulum 1
In cambered surface, pendulum 1 on support is enabled to generate fine tuning under the action of load.
Otic placode 4 is two pairs, is symmetrical arranged the two sides of pendulum 1 on the support.The symmetrically arranged structure of otic placode 4 to put on support
A damper 2 can be respectively set in 1 two sides, and utilization rate is high, and can save installation space, reduce installing component.
The corresponding central angle of spherical crown liner plate 7 is 10~30 °, this angle can effectively inhale the vibration of damper 2
It receives and mitigates, and be conducive to integrally-built stabilization.
The support bottom 3 is slab construction, and four corners are equipped with anchor hole, and slab construction and four-point fixation effectively ensure that
The stabilization of the support bottom 3, the work for damper 2 provide stability fundamental.Attachment base 6 is in triangular shape, and stability is strong.
The present invention also provides a kind of bridge damping structure, it is arranged between top of bridge pier 9 and girder steel bottom 8, including attachment base
6, the spherical bearing of above structure and the damper 2 being arranged between spherical bearing, attachment base 6, one end of damper 2 and otic placode
4 connections, the other end are arranged on attachment base 6.Damper 2 is arranged between spherical bearing and attachment base 6, spherical bearing and girder
Between stiction can active balance damper 2 damping force, structure is simple, install convenient.
Attachment base 6 is equipped with pin shaft 52, and one end of damper 2 is connect with otic placode 4, and the other end is arranged on pin shaft 52.Resistance
The both ends of Buddhist nun's device 2 are fixed with pendulum 1, attachment base 6 on support respectively, there is stable supporting point, are conducive to improve load capacity.
Attachment base 6 is triangular shape, is arranged in pairs, and which is provided with pin shaft 52, and damper 2 is arranged on pin shaft 52.It sets in pairs
The attachment base 6 set is correspondingly arranged with the otic placode 4 being arranged in pairs, and is symmetrical arranged convenient for damper 2 in the two sides of spherical bearing.
Steps are as follows for Specific construction of the invention:
1) production of each component:
1. 1 production of pendulum on support: as shown in Fig. 2, pendulum 1 on the support with otic placode 4 is cast, edge processing,
The cancave cambered surface of bottom is processed, is processed and the connecting pin bores 5 on the bolt hole and otic placode 4 for being connect with girder steel bottom 8；
2. spherical crown liner plate 7 makes: casting spherical crown liner plate 7 carries out edge processing；
3. the support bottom 3 makes: the casting support bottom 3, edge processing, the processing bottom connect anchor hole；
2) damper 2 makes: the production each constituent element of damper 2 assembles integral；
3) pin shaft 52 and attachment base 6 make: processing corresponding connection pin shaft 525, production connection according to connecting pin bores diameter
Seat 6 and its pin hole；
4) building site is transported to after coating；
5) pendulum 1, the support bottom 3 and spherical crown liner plate 7 on support are installed to girder steel bottom 8 and top of bridge pier 9, attachment base 6 is installed
To top of bridge pier 9, damper 2 is connect with pendulum 1 and attachment base 6 on support with pin shaft 52.
The spherical bearing of large bridge is combined together by the present invention with damper, under the premise of meeting force request, is led to
It crosses and lays out setting damper connection otic placode on the support, utilize the resistance of the stiction balance damper on support between pendulum and girder
Buddhist nun's power, connecting structure needed for making damper is greatly simplified, avoids damper and girder is directly connected to required huge construction
Space, has been effectively saved the construction space of top of bridge pier, saves project cost, with high content of technology, cost saves, is easy for construction,
It constructs succinct, handsome in appearance, has been successfully applied to Shanghai Changjiang River non-major P.E.subject engineering, bridge is completed construction drawing and sets at present
Meter, is building, and has good practical application effect.
The invention is not limited to above-mentioned preferred forms, and anyone should learn that is made under the inspiration of the present invention
Structure change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Claims (7)
1. a kind of spherical bearing with damper restriction function characterized by comprising
It is put on support, is axially vertically disposed round tube shape structure, top is fixed by boss and girder steel bottom, on outer peripheral surface
Equipped with pairs of otic placode；
The support bottom, is anchored in top of bridge pier；
Spherical crown liner plate is arranged on the support bottom and support between pendulum, and the bottom put on the support is equipped with and the ball
It is preced with the cancave cambered surface of liner plate cooperation.
2. the spherical bearing according to claim 1 with damper restriction function, which is characterized in that the otic placode is two
It is right, it is symmetricly set on the two sides put on the support.
3. the spherical bearing according to claim 1 with damper restriction function, which is characterized in that the spherical crown liner plate
Corresponding central angle is 10~30 °.
4. the spherical bearing according to claim 1 with damper restriction function, which is characterized in that the support bottom is
Slab construction, four corners are equipped with anchor hole.
5. a kind of bridge damping structure, which is characterized in that be arranged between top of bridge pier and girder steel bottom, including attachment base, such as right
It is required that 1~4 described in any item spherical bearings and the damper being arranged between the spherical bearing, the attachment base, described
One end of damper is connect with the otic placode, and the other end is arranged on the attachment base.
6. bridge damping structure according to claim 5, which is characterized in that the attachment base is triangular shape, is arranged in pairs,
It which is provided with pin shaft, the damper is arranged on the pin shaft.
7. bridge damping structure according to claim 5, which is characterized in that the attachment base is two, is symmetricly set on
The two sides put on the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141804.8A CN109024246A (en) | 2018-09-28 | 2018-09-28 | A kind of bridge damping structure and its spherical bearing with damper restriction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811141804.8A CN109024246A (en) | 2018-09-28 | 2018-09-28 | A kind of bridge damping structure and its spherical bearing with damper restriction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109024246A true CN109024246A (en) | 2018-12-18 |
Family
ID=64614807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811141804.8A Pending CN109024246A (en) | 2018-09-28 | 2018-09-28 | A kind of bridge damping structure and its spherical bearing with damper restriction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109024246A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110018483A (en) * | 2009-08-18 | 2011-02-24 | 조영철 | Spherical bearing |
| CN203654163U (en) * | 2013-12-17 | 2014-06-18 | 安徽尚德科技有限公司 | Wavy elastic-plastic steel damping spherical bearing capable of sliding bi-directionally |
| CN205475713U (en) * | 2016-03-23 | 2016-08-17 | 柳州东方工程橡胶制品有限公司 | Friction pendulum spherical support |
-
2018
- 2018-09-28 CN CN201811141804.8A patent/CN109024246A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110018483A (en) * | 2009-08-18 | 2011-02-24 | 조영철 | Spherical bearing |
| CN203654163U (en) * | 2013-12-17 | 2014-06-18 | 安徽尚德科技有限公司 | Wavy elastic-plastic steel damping spherical bearing capable of sliding bi-directionally |
| CN205475713U (en) * | 2016-03-23 | 2016-08-17 | 柳州东方工程橡胶制品有限公司 | Friction pendulum spherical support |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |