CN106544953B - A kind of resistant slide sheet-type support - Google Patents
A kind of resistant slide sheet-type support Download PDFInfo
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- CN106544953B CN106544953B CN201710020156.XA CN201710020156A CN106544953B CN 106544953 B CN106544953 B CN 106544953B CN 201710020156 A CN201710020156 A CN 201710020156A CN 106544953 B CN106544953 B CN 106544953B
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- steel plate
- plate
- pressing tight
- bearing
- undersetting
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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
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of resistant slide sheet-type support, its main feature is that upper and lower bearing steel plate is equipped with pressing tight plate and ring steel plate, the pressing tight plate, which is bolted, is arranged on upper and lower bearing steel plate both sides；The ring steel plate is sleeved on outside upper and lower bearing steel plate and is fixed on upper and lower pressing tight plate by puller bolt；Flexible prestressing muscle is equipped between the upper and lower bearing steel plate and upper and lower pressing tight plate, flexible prestressing muscle is linked into an integrated entity upper and lower bearing steel plate by upper and lower bolt, realizes the resistant slide precompressed of laminated rubber bearing.There is the present invention raising anti-slipping property can be influenced without generating Planar Mechanisms to beam body and bearing horizontal displacement compared with prior art, and the flexible prestressing muscle anchoring system of self-balancing is simple in structure, and in the installation and replacement of bearing, manufacture is at low cost.
Description
Technical field
The present invention relates to technical field of bridge, especially a kind of resistant slide for adapting to Short/Medium Span Bridge resistant slide
Sheet-type support.
Background technology
Common laminated rubber bearing due to its comprehensive cost is cheap and construction method is cheap etc. in science of bridge building, especially
It is to be used widely in Short/Medium Span Bridge engineering.Two important indicators of common laminated rubber bearing type selecting are respectively bearing
Maximum vertical bearing capacity and minimum resistant slide bearing capacity, for being partially in the middle-small span of high-intensity earthquake fortified defence area
Beam or serviceability limit stage variable load effect account for the larger bridge of standard combination load effect, when bearing maximum vertical pressure-bearing
When power is met the requirements, minimum resistant slide bearing capacity or bearing horizontal distortion associated there can not usually meet bearing type selecting
It is required that existing product is to solve problems generally all using the adhesive property for enhancing bearing and beam body and enhance bearing level
To rigidity.
Problem of the existing technology is to also limit bearing normal use rank while bearing anti-slipping property energy is enhanced
The reasonable deformation of section easily generates Planar Mechanisms and bearing constructional difficulties to beam body.
Invention content
The purpose of the present invention is a kind of resistant slide sheet-type support for designing in view of the deficiencies of the prior art, using flexible pre-
The upper and lower steel plate of bearing is connected to become entirety by stress rib, and the flexibility for passing through ring steel plate and puller bolt formation self-balancing in advance should
Power muscle anchoring system, the friction between bearing steel plate, pressing tight plate and flexible prestressing muscle form anchor force, and the anchorage style is to soft
Property presstressed reinforcing steel it is not damaged, while avoid traditional anchorage style because fixture bounce back caused by loss of prestress, realize to board-like
The precompressed of rubber support should have high intensity, a low characteristic crept using flexible prestressing muscle, at the same its along bridge to anti-shearing
Rigidity should be much smaller than laminated rubber bearing, to meet beam body serviceability limit stage dilatation requirement, improve between bearing and beam body
The maximal friction produced relative sliding ensures anti-slipping property energy of the bearing under horizontal earthquake action, without the water to bearing
Flat displacement, which generates Planar Mechanisms, to be influenced, simple in structure, easy for installation, is preferably resolved while bearing anti-slipping property energy is enhanced
It also limits the reasonable deformation of bearing serviceability limit stage and Planar Mechanisms easily is led to the problem of to beam body, substantially increase branch
The whole anti-slipping property energy of seat, while anti-slipping property energy of the bearing under horizontal earthquake action is also met well.
The object of the present invention is achieved like this：A kind of resistant slide sheet-type support, including by laminated rubber bearing and upper branch
Seat steel plate and undersetting steel plate composition bearing, its main feature is that upper bracket steel plate be equipped with pre-buried leveling steel plate, upper pressing tight plate and
Upper ring steel plate, undersetting steel plate are equipped with lower pressing tight plate and lower ring steel plate, and the pre-buried leveling steel plate is arranged on by upper dowel
On bearing steel plate, upper dowel is with upper bracket steel plate to be fixedly connected；The upper pressing tight plate is fixed at upper bracket by upper bolt
Steel plate both sides；The upper ring steel plate is sleeved on outside upper bracket steel plate and is fixed on upper pressing tight plate by upper puller bolt；Under described
Pressing tight plate is fixed at undersetting steel plate both sides by lower bolt；The undersetting steel plate is equipped with lower dowel, and lower dowel is under
Bearing steel plate is is fixedly connected with；The lower ring steel plate is sleeved on outside undersetting steel plate and is fixed on lower pressing tight plate by lower puller bolt
On；Flexible prestressing muscle is equipped between the upper and lower bearing steel plate and upper and lower pressing tight plate, flexible prestressing muscle is by upper and lower bolt
Upper and lower bearing steel plate is linked into an integrated entity, realizes the resistant slide precompressed of laminated rubber bearing.
The laminated rubber bearing, pre-buried leveling steel plate, upper and lower bearing steel plate, upper and lower ring steel plate be rectangle or circle,
And upper and lower bearing steel plate and flexible prestressing muscle contact site are with sandblasting（Ball）Friction between processing increase and flexible prestressing muscle
Coefficient.
The upper and lower pressing tight plate is vertical bar plate or arc plate, and with flexible prestressing muscle contact site with sandblasting（Ball）Place
Friction coefficient between reason increase and flexible prestressing muscle.
The flexible prestressing muscle is the high-strength steel sheet of bar shaped or carbon fiber composite sheet.
The upper and lower dowel sets threaded anchor pole, and it is anchored to upper and lower bearing steel plate respectively by nut for one end
On.
The present invention has while improving and meeting resistant slide performance requirement compared with prior art, without limiting bearing
The reasonable of serviceability limit stage deforms and generates Planar Mechanisms influence to beam body and bearing horizontal displacement, passes through upper and lower ring steel plate
And puller bolt forms the flexible prestressing muscle anchoring system of self-balancing, between bearing steel plate, pressing tight plate and flexible prestressing muscle
Friction form anchor force, the anchorage style is not damaged to flexible prestressing muscle, while avoids traditional anchorage style because of fixture
Loss of prestress caused by retraction greatly improves the anti-slipping property energy of bearing entirety, simple in structure, convenient for the installation and more of bearing
It changes, manufacture is at low cost, is especially suitable for the popularization and application of Short/Medium Span Bridge resistant slide bearing.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is structure diagram of the embodiment of the present invention；
Fig. 4 is the B-B sectional views of Fig. 3.
Specific embodiment
Embodiment 1
Refering to 1 ~ attached drawing of attached drawing 2, the laminated rubber bearing 1, pre-buried leveling steel plate 2, upper bracket steel plate of the invention by rectangle
3 and undersetting steel plate 4 form, the upper bracket steel plate 3 be equipped with pre-buried leveling steel plate 2, upper pressing tight plate 5 and upper ring steel plate 7；Institute
Undersetting steel plate 4 is stated equipped with lower pressing tight plate 6 and lower ring steel plate 8；The pre-buried leveling steel plate 2 is arranged on upper branch by upper dowel 9
On seat steel plate 3, upper dowel 9 sets threaded anchor pole, and be anchored on upper bracket steel plate 3 by nut for one end；On described
Pressing tight plate 5 is vertical bar plate, and is fixed at 3 both sides of upper bracket steel plate by upper bolt 14；The upper ring steel plate 7 is sleeved on branch
Seat steel plate 3 is outer and is fixed on upper pressing tight plate 5 by upper puller bolt 11；The lower pressing tight plate 6 is vertical bar plate, and by lower bolt 15
It is fixed at 4 both sides of undersetting steel plate；The undersetting steel plate 4 is equipped with lower dowel 10, and lower dowel 10 is equipped with spiral shell for one end
The anchor pole of line, and be anchored on undersetting steel plate 4 by nut；The lower ring steel plate 8 be sleeved on undersetting steel plate 4 it is outer and by
Lower puller bolt 12 is fixed on lower pressing tight plate 6；The upper bracket steel plate 3 and undersetting steel plate 4 and upper pressing tight plate 5 and under hold out against
Flexible prestressing muscle 13, upper bracket steel plate 3, undersetting steel plate 4, upper pressing tight plate 5 and lower pressing tight plate 6 and flexibility are equipped between plate 6
13 contact site of presstressed reinforcing steel is with sandblasting（Ball）Friction coefficient between processing increase and flexible prestressing muscle 13；The flexibility in advance should
Power muscle 13 is the high-strength steel sheet of bar shaped, and is connected upper bracket steel plate 3 and undersetting steel plate 4 by upper bolt 14 and lower bolt 15
It connects and is integrally formed, realize the resistant slide precompressed of laminated rubber bearing 1.
The present invention installs in this way：The laminated rubber bearing 1 of rectangle is arranged on undersetting steel plate 4, upper bracket steel
Plate 3 is placed on laminated rubber bearing 1, and lower pressing tight plate 6 and lower ring steel plate 8 is sleeved on outside undersetting steel plate 4, flexible prestressing
13 lower end of muscle is arranged between lower pressing tight plate 6 and undersetting steel plate 4, then tightens lower puller bolt 12 to flexible prestressing muscle
Anchoring is realized in 13 lower ends, and after by lower bolt 15, lower pressing tight plate 6 is fixedly connected with undersetting steel plate 4, is answered flexible in advance
Upper pressing tight plate 5 and upper ring steel plate 7 are sleeved on outside bearing upper steel plate 3, and tighten top by power muscle 13 after being stretched to target prestressing force
Tight bolt 11, which realizes 13 upper end of flexible prestressing muscle, to be anchored, and after confirming that prestressing force numerical value is met the requirements, and passes through upper bolt
14 are fixedly connected with upper pressing tight plate 5 with upper bracket steel plate 3, then upper puller bolt 11 and lower puller bolt 12 are carried out secondary
It tightens, completes prestressed application.Upper bracket steel plate 3 is arranged on the laminated rubber bearing 1 among undersetting steel plate 4 by soft
Property the effect of presstressed reinforcing steel 13 generate precompression, 13 length direction of flexible prestressing muscle is parallel to direction across bridge, and width direction is parallel to
Along bridge to arrangement, pre-buried leveling steel plate 2 is connect with upper bracket steel plate 3 by upper dowel 9 with beam body, and undersetting steel plate 4 is under
Dowel 10 is connect with bearing pad stone, completes bearing installation.
Embodiment 2
Refering to 3 ~ attached drawing of attached drawing 4, the present invention is by circular laminated rubber bearing 1, pre-buried leveling steel plate 2, upper bracket steel plate
3 and undersetting steel plate 4 form.The upper bracket steel plate 3 is equipped with pre-buried leveling steel plate 2, upper pressing tight plate 5 and upper ring steel plate 7；Institute
Undersetting steel plate 4 is stated equipped with lower pressing tight plate 6 and lower ring steel plate 8；The pre-buried leveling steel plate 2 is arranged on upper branch by upper dowel 9
On seat steel plate 3, upper dowel 9 sets threaded anchor pole, and be anchored on upper bracket steel plate 3 by nut for one end；On described
Pressing tight plate 5 is arc plate, and is fixed at 3 both sides of upper bracket steel plate by upper bolt 14；The upper ring steel plate 7 is sleeved on branch
Seat steel plate 3 is outer and is fixed on upper pressing tight plate 5 by upper puller bolt 11；The lower pressing tight plate 6 is arc plate, and by lower bolt 15
It is fixed at 4 both sides of undersetting steel plate；The undersetting steel plate 4 is equipped with lower dowel 10, and lower dowel 10 is equipped with spiral shell for one end
The anchor pole of line, and be anchored on undersetting steel plate 4 by nut；The lower ring steel plate 8 be sleeved on undersetting steel plate 4 it is outer and by
Lower puller bolt 12 is fixed on lower pressing tight plate 6；The upper bracket steel plate 3 and undersetting steel plate 4 and upper pressing tight plate 5 and under hold out against
Flexible prestressing muscle 13, upper bracket steel plate 3, undersetting steel plate 4, upper pressing tight plate 5 and lower pressing tight plate 6 and flexibility are equipped between plate 6
13 contact site of presstressed reinforcing steel is with sandblasting（Ball）Friction coefficient between processing increase and flexible prestressing muscle 13；The flexibility in advance should
Power muscle 13 is the carbon fiber composite sheet of bar shaped, and by upper bolt 14 and lower bolt 15 by upper bracket steel plate 3 and undersetting steel plate 4
Entirety is connected to become, realizes the resistant slide precompressed of laminated rubber bearing 1.
The present invention installs in this way：Circular laminated rubber bearing 1 is arranged on undersetting steel plate 4, upper bracket steel
Plate 3 is placed on laminated rubber bearing 1, and lower pressing tight plate 6 and lower ring steel plate 8 is sleeved on outside undersetting steel plate 4, flexible prestressing
13 lower end of muscle is arranged between lower pressing tight plate 6 and undersetting steel plate 4, then tightens lower puller bolt 12 to flexible prestressing muscle
Anchoring is realized in 13 lower ends, and after by lower bolt 15, lower pressing tight plate 6 is fixedly connected with undersetting steel plate 4, is answered flexible in advance
Upper pressing tight plate 5 and upper ring steel plate 7 are sleeved on outside upper bracket steel plate 3, and tighten top by power muscle 13 after being stretched to target prestressing force
Tight bolt 11, which realizes 13 upper end of flexible prestressing muscle, to be anchored, and after confirming that prestressing force numerical value is met the requirements, and passes through upper bolt
14 are fixedly connected with upper pressing tight plate 5 with upper bracket steel plate 3, then upper puller bolt 11 and lower puller bolt 12 are carried out secondary
It tightens, completes prestressed application.Upper bracket steel plate 3 is arranged on the laminated rubber bearing 1 among undersetting steel plate 4 by soft
Property the effect of presstressed reinforcing steel 13 generate precompression, 13 length direction of flexible prestressing muscle is parallel to direction across bridge, and width direction is parallel to
Along bridge to arrangement, pre-buried leveling steel plate 2 is connect with upper bracket steel plate 3 by upper dowel 9 with beam body, and undersetting steel plate 4 is under
Dowel 10 is connect with bearing pad stone, completes bearing installation.
The present invention with rational structure to sheet-type support with precompression, it is made to be impacted in horizontal earthquake action or carload
The lower anti-slipping property of effect can be significantly increased, meanwhile, the application of precompression does not provide Planar Mechanisms to the serviceability limit stage of beam body,
Resistant slide bearing is bolted with beam body, convenient for the installation and replacement of bearing.The rational applying mode of precompression should meet
The prestressing force that bearing applies interior during use should keep higher reliability, and loss of prestress should be controllable, prestressed realization
It is advisable with the horizontal direction shear stiffness for not increasing bearing, support style should reduce suitable bridge of the bearing in serviceability limit stage as far as possible
To deformation.
Above only the present invention is further illustrated, and not to limit this patent, all is equivalence enforcement of the present invention,
It is intended to be limited solely by within the right of this patent.
Claims (5)
1. a kind of resistant slide sheet-type support, special including the sheet-type support being made of laminated rubber bearing and upper and lower bearing steel plate
Sign is that upper bracket steel plate is equipped with pre-buried leveling steel plate, upper pressing tight plate and upper ring steel plate, and undersetting steel plate, which is equipped with down, to be held out against
Plate and lower ring steel plate, the pre-buried leveling steel plate are arranged on by upper dowel on upper bracket steel plate, and upper dowel is with upper bracket steel plate
It is fixedly connected；The upper pressing tight plate is fixed at upper bracket steel plate both sides by upper bolt；The upper ring steel plate is sleeved on branch
Seat steel plate is outer and is fixed on upper pressing tight plate by upper puller bolt；The lower pressing tight plate is fixed at undersetting steel by lower bolt
Plate both sides；The undersetting steel plate is equipped with lower dowel, and lower dowel is with undersetting steel plate to be fixedly connected；The lower ring steel plate set
It is fixed on lower pressing tight plate outside undersetting steel plate and by lower puller bolt；The upper bracket steel plate and undersetting steel plate with it is upper
It is equipped with flexible prestressing muscle between pressing tight plate and lower pressing tight plate, flexible prestressing muscle is by upper bolt and lower bolt by upper and lower bearing
Steel plate links into an integrated entity, and realizes the resistant slide precompressed of laminated rubber bearing.
2. resistant slide sheet-type support according to claim 1, it is characterised in that the laminated rubber bearing, pre-buried leveling steel
Plate, upper bracket steel plate, undersetting steel plate, upper ring steel plate and lower ring steel plate are rectangle or circle, and upper and lower bearing steel plate with it is flexible
Friction coefficient of the presstressed reinforcing steel contact site between sandblasting or bead increase and flexible prestressing muscle.
3. resistant slide sheet-type support according to claim 1, it is characterised in that the upper pressing tight plate and lower pressing tight plate are vertical bar
Plate or arc plate, and the friction with flexible prestressing muscle contact site between sandblasting or bead increase and flexible prestressing muscle
Coefficient.
4. resistant slide sheet-type support according to claim 1, it is characterised in that the flexible prestressing muscle is high-strength for bar shaped
Spend sheet metal or carbon fiber composite sheet.
5. resistant slide sheet-type support according to claim 1, it is characterised in that the upper dowel and lower dowel are equipped with for one end
The anchor pole of screw thread, and it is anchored at respectively on upper and lower bearing steel plate by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020156.XA CN106544953B (en) | 2017-01-12 | 2017-01-12 | A kind of resistant slide sheet-type support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020156.XA CN106544953B (en) | 2017-01-12 | 2017-01-12 | A kind of resistant slide sheet-type support |
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| Publication Number | Publication Date |
|---|---|
| CN106544953A CN106544953A (en) | 2017-03-29 |
| CN106544953B true CN106544953B (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710020156.XA Active CN106544953B (en) | 2017-01-12 | 2017-01-12 | A kind of resistant slide sheet-type support |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886207A (en) * | 2019-12-18 | 2020-03-17 | 无锡圣丰建筑新材料有限公司 | Replacement structure of shock insulation support |
| CN111074758A (en) * | 2019-12-27 | 2020-04-28 | 同济大学 | Novel support connecting device |
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|---|---|---|---|---|
| CN1663878A (en) * | 2005-03-16 | 2005-09-07 | 衡水震泰隔震器材有限公司 | Rubber support for oceanic oil platform and preparation method thereof |
| KR20100088180A (en) * | 2009-01-30 | 2010-08-09 | 주식회사 부흥시스템 | Displacement control device for lrb |
| CN103498414A (en) * | 2013-10-08 | 2014-01-08 | 衡水中铁建工程橡胶有限责任公司 | Metal damp seismic reduction and absorption support |
| KR20140076770A (en) * | 2012-12-13 | 2014-06-23 | 주식회사 큐빅스 | Seismic isolation device for a bridge |
| CN203741697U (en) * | 2014-03-24 | 2014-07-30 | 大连理工大学 | Plate type rubber anti-seismic support |
| CN206448153U (en) * | 2017-01-12 | 2017-08-29 | 中船第九设计研究院工程有限公司 | A kind of resistant slide sheet-type support |
-
2017
- 2017-01-12 CN CN201710020156.XA patent/CN106544953B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663878A (en) * | 2005-03-16 | 2005-09-07 | 衡水震泰隔震器材有限公司 | Rubber support for oceanic oil platform and preparation method thereof |
| KR20100088180A (en) * | 2009-01-30 | 2010-08-09 | 주식회사 부흥시스템 | Displacement control device for lrb |
| KR20140076770A (en) * | 2012-12-13 | 2014-06-23 | 주식회사 큐빅스 | Seismic isolation device for a bridge |
| CN103498414A (en) * | 2013-10-08 | 2014-01-08 | 衡水中铁建工程橡胶有限责任公司 | Metal damp seismic reduction and absorption support |
| CN203741697U (en) * | 2014-03-24 | 2014-07-30 | 大连理工大学 | Plate type rubber anti-seismic support |
| CN206448153U (en) * | 2017-01-12 | 2017-08-29 | 中船第九设计研究院工程有限公司 | A kind of resistant slide sheet-type support |
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| CN106544953A (en) | 2017-03-29 |
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