CN203451995U - Rubber anti-shocking comb plate stretching device - Google Patents
Rubber anti-shocking comb plate stretching device Download PDFInfo
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- CN203451995U CN203451995U CN201320556693.3U CN201320556693U CN203451995U CN 203451995 U CN203451995 U CN 203451995U CN 201320556693 U CN201320556693 U CN 201320556693U CN 203451995 U CN203451995 U CN 203451995U
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- stretching device
- comb tooth
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- comb plate
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Abstract
The utility model discloses a rubber anti-shocking comb plate stretching device which comprises a seam striding plate, a movable comb plate, a fixed comb plate and a stainless steel sliding plate. The rubber anti-shocking comb plate stretching device is characterized in that anti-jumping pin shafts are arranged on the two sides of a front end comb tooth of the movable comb plate, a sliding groove is arranged on one side of the front end comb tooth of the fixed comb plate, the sliding groove and the anti-jumping pin shafts are in movable inserting connection, and the two ends of the seam striding plate are supported through rubber in an elastic-rotating-deforming mode and supported by three-dimensional deforming mechanisms. Compared with the prior art, the rubber anti-shocking comb plate stretching device has a three-dimensional deforming function and can deform in a coordination mode along with a bridge structure, the requirement for various kinds of deformation in daily operation can be met, the requirement for super-large horizontal and longitudinal deformation of a bridge during an earthquake can be met, anti-impact capacity is high, noise is low, service life is long, and the rubber anti-shocking comb plate stretching device is especially suitable for a high-grade highway bridge and a viaduct.
Description
Technical field
The utility model relates to bridge construction technical field, specifically a kind of rubber antidetonation comb plate stretching device that can 3 D deformation for large span Flexible bridge.
Background technology
China is in large span flexible structure bridge and builds the epoch, and large span flexible structure bridge technology level or bridge construction quantitatively account for No. 1 in the world.Earthquake occurs again and again all over the world now, and earthquake intensity is also more and more stronger, and the disaster of bringing in order to tackle earthquake adopts multiple precautions against earthquakes to bridge construction, as the bridge extension joint of the direct link of spanning, also must provide fortification against earthquakes.Comb plate stretching device also should have " three-dimensional " distortion and the raise-free function of movable comb tooth plate.So just can make comb plate stretching device follow together mutual compatible deformation of flexible bridge structure, allow vehicle safety pass through bridge floor.
At present, the comb plate stretching device that China is used, some only has length travel function, when bridge rotates, often can occur that anchor bolt is broken, nut pulls.Although, also develop now a kind of " multidirectional " shift comb tooth plate stretching device, increased longitudinal rotation or Plane Rotation function, but its deformation values is very little, it does not possess especially big lateral displacement function, so it also can not meet the especially big requirement that laterally swings producing when earthquake occurs.
The problem that prior art exists is: the anchor bolt syndeton on movable comb tooth plate is unreasonable, and it affects two curb girder bodies to lateral displacement, vertical rotating and horizontally rotates.When movable comb tooth plate is when the beam body of not establishing rotating shaft one side produces vertical rotating, the tooth head of movable comb tooth plate can produce the phenomenon of nose, greatly affects traffic safety." multidirectional " shift comb tooth plate stretching device, in order thoroughly to solve movable comb tooth plate nose, also once movable comb tooth plate one being broken is two, the comb teeth part and the movable comb tooth plate steel plate root that are divided into movable comb tooth plate, with cotter axle, two are altered and connected together, play free rotation, this free rotational structure, a little less than impact resistance, poor rigidity.Bridge is because of the effect of wind lotus, beam body produces horizontal plane and rotates, because the anchor bolt on movable comb tooth plate is together with the anchoring of beam body, make movable comb tooth plate also follow this curb girder body and produce together horizontal plane rotation, the broach that movable comb tooth plate tooth head will promote fixed fingers plate produces reverse horizontal plane rotation, in order to prevent that the broach of fixed fingers plate from fractureing, it is connected with the steel plate root of fixed fingers plate the comb teeth part of fixed fingers plate with vertical bearing pin, rotational problems is to have solved, but its amount of spin is also atomic, because it is subject to the anchor bolt hole of fixed fingers plate and the clearance control of shank of bolt.
Utility model content
The purpose of this utility model is a kind of rubber antidetonation comb plate stretching device designing for the deficiencies in the prior art, anti-pumping device is set employing movable comb tooth plate and transverse joint plate is arranged on the elastic support of 3 D deformation, make stretching device there is " three-dimensional " distortion function, can follow bridge construction compatible deformation together, various distortion while not only meeting day-to-day operation, in the time of meeting again earthquake generation, bridge produces especially big horizontal and vertical distortion, strong shock resistance, noise reduction is good, simple in structure, easy construction, construction costs is low, long service life.
Realizing concrete technical scheme of the present utility model is: a kind of rubber antidetonation comb plate stretching device, comprise transverse joint plate, movable comb tooth plate, fixed fingers plate and stainless steel slide plate, and be characterized in that the front end broach both sides of described movable comb tooth plate are provided with anti-jump bearing pin; Front end broach one side of described fixed fingers plate is provided with chute, and chute is corresponding setting with anti-jump bearing pin; The mutual socket joint horizontal of broach of described movable comb tooth plate and fixed fingers plate is on stainless steel slide plate, its anti-jump bearing pin and chute are pegged graft, anti-jump bearing pin and chute, movable comb tooth plate and stainless steel slide plate be for being slidably connected, fixed fingers plate with stainless steel slide plate for being fixedly connected with; Described transverse joint plate is arranged on one end of movable comb tooth plate, and transverse joint plate, movable comb tooth plate and fixed fingers plate are a plane, transverse joint plate one end is by the 3 D deformation seat supports being fixedly installed on stainless steel slide plate, its other end is supported by elastic support, and elastic support is fixedly connected with transverse joint plate by bearing anchor bolt with 3 D deformation bearing.
Described 3 D deformation bearing is comprised of base, movable supporting plate and the first elastomer block, and described base is for being provided with center slippage slot and two ends are provided with the base plate of " U " shape notch; Described movable supporting plate is provided with bearing pin and first bolt of setting corresponding to slippage slot, and movable supporting plate is sleeved on base, and its bearing pin and slippage slot are for being slidably connected, and the first elastomer block is arranged on movable supporting plate and with the first bolt and is set with.
Described elastic support is comprised of the support plate and the second elastomer block that are provided with the second bolt, and the second elastomer block is arranged on support plate and with the second bolt and is set with.
Described transverse joint plate two ends are provided with deformation joint.
The utility model compared with prior art has " three-dimensional " distortion function, can follow bridge construction compatible deformation together, various distortion while not only meeting day-to-day operation, in the time of meeting again earthquake generation, bridge produces especially big horizontal and vertical distortion, strong shock resistance, and noise is low, compare cost with product of the same type and can reduce by 30 ~ 40%, further reduce engineering cost, improve application life, be especially applicable to Bridges on Highway and elevated bridge and use.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation
Fig. 2 is 3 D deformation seat structure schematic diagram
Fig. 3 is Fig. 2 top view
Fig. 4 is elastic support structural representation
Fig. 5 is that anti-jump bearing pin coordinates schematic diagram with chute
Fig. 6 is that the utility model is specifically applied schematic diagram
Fig. 7 is Fig. 6 top view.
The specific embodiment
Consult accompanying drawing 1, the utility model is comprised of transverse joint plate 1, movable comb tooth plate 2, fixed fingers plate 3 and stainless steel slide plate 8, and the front end broach both sides of described movable comb tooth plate 2 are provided with anti-jump bearing pin 21; Front end broach one side of described fixed fingers plate 3 is provided with chute 31, and chute 31 is corresponding setting with anti-jump bearing pin 21; The mutual socket joint horizontal of broach of described movable comb tooth plate 2 and fixed fingers plate 3 is on stainless steel slide plate 8, its anti-jump bearing pin 21 is pegged graft with chute 31, anti-jump bearing pin 21 with chute 31 for being flexibly connected, movable comb tooth plate 2 with stainless steel slide plate 8 for being slidably connected, fixed fingers plate 3 with stainless steel slide plate 8 for being fixedly connected with; Described transverse joint plate 1 is arranged on one end of movable comb tooth plate 2, and transverse joint plate 1, movable comb tooth plate 2 and fixed fingers plate 3 are a plane, transverse joint plate 1 one end is supported by the 3 D deformation bearing 5 being fixedly installed on stainless steel slide plate 8, its other end is supported by elastic support 4, and elastic support 4 is fixedly connected with transverse joint plate 1 by bearing anchor bolt 10 with 3 D deformation bearing 5; Described transverse joint plate 1 two ends are provided with deformation joint 6.
Consult accompanying drawing 4, described elastic support 4 is comprised of the support plate 41 and the second elastomer block 42 that are provided with the second bolt 43, and the second elastomer block 42 is arranged on support plate 41 and with the second bolt 43 and is set with.
With specific embodiment, the utility model is described in further detail below.
Embodiment 1
The bridge floor of cutting access bridge 11 and main bridge 12 is installed preformed groove, does not break main muscle, stirrup and prestress pipe in beam body during cutting, protects the bridge floor bituminous concrete that there is no cutting, arranges built-in fitting, guarantees built-in fitting quantity, while lacking, should fill in time.
Access bridge 11 ends according to bridge floor in length and breadth slope factor calculate the floor level of elastic support 4, elastic support 4 is comprised of the support plate 41 and the second elastomer block 42 that are provided with the second bolt 43, the second elastomer block 42 adopts IR fiber and the second bolt 43 suits, with connecting reinforcement, steel plate 15 pre-buried on support plate 41 and access bridge 12 is welded and fixed, then build support plate 41 bottom concrete, vibrate closely knit.
According to temperature and the installation width table of comparisons, with standard form, make the position of tooth plate anchor bolt 13 on fixed fingers plate 3, the steel plate 14 pre-buried with main bridge 12 is welded and fixed, then lay the termination envelope mould of strengthening distribution fabricated bar and main bridge 12 bridge floors, water the side bed course fibrous concrete of smashing main bridge 12, strict control pad layer concrete surface layer absolute altitude, stainless steel slide plate 8 and fixed fingers plate 3 are finally installed, tighten the nut on tooth plate anchor bolt 13, note controlling the planeness of fixed fingers plate 3 surface layers, build the intermediate zone concrete 16 of main bridge 12 sides, and the maintenance of sprinkling water.
Lifting movable comb tooth plate 2, the anti-jump bearing pin 21 of movable comb tooth plate 2 front ends is penetrated to the chute 31 of fixed fingers plate 3, movable broach 2 and the mutual socket joint horizontal of fixed fingers 3 are on stainless steel slide plate 8, the mobile base of 3 D deformation bearing 5 51 is welded by steel plate 57 and the rear end of stainless steel slide plate 8 and movable comb tooth plate 2, then, beam between access bridge 11 and main bridge 12 is sewed on rubber water-proof bar 9 is installed, and rubber water-proof bar 9 use screws and steel press strip are fixed on the end of access bridge 11 and main bridge 12.
Adjust after the mounting teeth gap length degree of movable comb tooth plate 2, transverse joint plate 1 is arranged on the elastic support 4 being comprised of four the second elastomer block 42 through bearing anchor bolt 10 at access bridge 11 places, at main bridge 12 places, through bearing anchor bolt 10, be arranged on the 3 D deformation bearing 5 being formed by four the first elastomer block 54 equally, nut and spring washer are tightened to anchoring.
At transverse joint plate 1 two ends, be provided with deformation joint 6, deformation joint 6 is embedded in seam by circular soft plastic foam strip, reserves 2 centimeters of height, then with senior polyurethane water-proof fluid sealant perfusion, forms.
Surface layer at transverse joint plate 1 arranges elastic anti-slip layer, elastic anti-slip layer adopts sprinkling epoxy resin or polyurethane to add and spreads quartz sand technique, first by transverse joint plate surface layer impeller blasting, after surface layer is clean, spray epoxy resin or polyurethane, then, spreading fine quartz sand immediately, construction and installation finish, and treat that maintenance expires to get final product open to traffic.
It is two that the utility model breaks the movable comb tooth plate one of prior art, be transverse joint plate 1 and movable comb tooth plate 2, transverse joint plate 1 adopts caoutchouc elasticity rotational deformation to support and 2 supporting forms of " three-dimensional " deformation mechanism, thereby thoroughly avoided movable comb tooth plate nose phenomenon, movable comb tooth plate is close on main bridge bridge floor all the time, caoutchouc elasticity supporting deformation amount meets the deflection of Flexible bridge, makes installation simpler.Transverse joint plate both sides are provided with deformation joint, the fine adaptation bridge Plane Rotation of its energy, and when vertical rotating and earthquake, especially big lateral displacement space, can play functions of waterproof and dustproof again.
More than just the utility model is described further, not in order to limit this patent, all is that the utility model equivalence is implemented, within all should being contained in the claim scope of this patent.
Claims (4)
1. a rubber antidetonation comb plate stretching device, comprises transverse joint plate (1), movable comb tooth plate (2), fixed fingers plate (3) and stainless steel slide plate (8), it is characterized in that the front end broach both sides of described movable comb tooth plate (2) are provided with anti-jump bearing pin (21); Front end broach one side of described fixed fingers plate (3) is provided with chute (31), and chute (31) is corresponding setting with anti-jump bearing pin (21); The mutual socket joint horizontal of broach of described movable comb tooth plate (2) and fixed fingers plate (3) is on stainless steel slide plate (8), its anti-jump bearing pin (21) is pegged graft with chute (31), anti-jump bearing pin (21) and chute (31), movable comb tooth plate (2) with stainless steel slide plate (8) for being slidably connected, fixed fingers plate (3) with stainless steel slide plate (8) for being fixedly connected with; Described transverse joint plate (1) is arranged on one end of movable comb tooth plate (2), and transverse joint plate (1), movable comb tooth plate (2) and fixed fingers plate (3) are a plane, transverse joint plate (1) one end is supported by the 3 D deformation bearing (5) being fixedly installed on stainless steel slide plate (8), its other end is supported by elastic support (4), and elastic support (4) is fixedly connected with transverse joint plate (1) by bearing anchor bolt (10) with 3 D deformation bearing (5).
2. rubber antidetonation comb plate stretching device according to claim 1, it is characterized in that described 3 D deformation bearing (5) is comprised of base (51), movable supporting plate (53) and the first elastomer block (54), described base (51) is provided with the base plate of " U " shape notch (55) for being provided with center slippage slot (57) and two ends; Described movable supporting plate (53) is provided with bearing pin (52) and the first bolt (56) with the corresponding setting of slippage slot (57), movable supporting plate (53) is sleeved on base (51), bearing pin (52) is with slippage slot (57) for being slidably connected, and the first elastomer block (54) is arranged on movable supporting plate (53) above and is set with the first bolt (56).
3. rubber antidetonation comb plate stretching device according to claim 1, it is characterized in that described elastic support (4) is comprised of the support plate (41) and the second elastomer block (42) that are provided with the second bolt (43), the second elastomer block (42) is arranged on support plate (41) above and is set with the second bolt (43).
4. rubber antidetonation comb plate stretching device according to claim 1, is characterized in that described transverse joint plate (1) two ends are provided with deformation joint (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556693.3U CN203451995U (en) | 2013-09-09 | 2013-09-09 | Rubber anti-shocking comb plate stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556693.3U CN203451995U (en) | 2013-09-09 | 2013-09-09 | Rubber anti-shocking comb plate stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203451995U true CN203451995U (en) | 2014-02-26 |
Family
ID=50131887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320556693.3U Withdrawn - After Issue CN203451995U (en) | 2013-09-09 | 2013-09-09 | Rubber anti-shocking comb plate stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203451995U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422431A (en) * | 2013-09-09 | 2013-12-04 | 上海汇城建筑装饰有限公司 | Rubber anti-seismic comb plate stretching device |
| CN104562928A (en) * | 2015-01-22 | 2015-04-29 | 宁波路宝科技实业集团有限公司 | Sinking preventing type bridge telescoping device |
| CN105239503A (en) * | 2015-11-03 | 2016-01-13 | 上海汇城建筑装饰有限公司 | Six-direction deflection comb plate retractor device |
| CN110080100A (en) * | 2019-06-03 | 2019-08-02 | 西安中交万向科技股份有限公司 | A kind of bridge extension joint that can be realized greatly across seam and pressing plate and method |
| CN110886195A (en) * | 2019-12-12 | 2020-03-17 | 福州大学 | Shock insulation structure suitable for abutment rigid frame bridge and construction method |
| CN111236062A (en) * | 2020-03-01 | 2020-06-05 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device |
| CN111236061A (en) * | 2020-03-01 | 2020-06-05 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device and telescopic component |
-
2013
- 2013-09-09 CN CN201320556693.3U patent/CN203451995U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422431A (en) * | 2013-09-09 | 2013-12-04 | 上海汇城建筑装饰有限公司 | Rubber anti-seismic comb plate stretching device |
| CN103422431B (en) * | 2013-09-09 | 2015-07-29 | 上海汇城建筑装饰有限公司 | A kind of rubber antidetonation comb plate stretching device |
| CN104562928A (en) * | 2015-01-22 | 2015-04-29 | 宁波路宝科技实业集团有限公司 | Sinking preventing type bridge telescoping device |
| CN105239503A (en) * | 2015-11-03 | 2016-01-13 | 上海汇城建筑装饰有限公司 | Six-direction deflection comb plate retractor device |
| CN105239503B (en) * | 2015-11-03 | 2017-03-08 | 上海汇城建筑装饰有限公司 | A kind of six to displacement fishback retractor device |
| CN110080100A (en) * | 2019-06-03 | 2019-08-02 | 西安中交万向科技股份有限公司 | A kind of bridge extension joint that can be realized greatly across seam and pressing plate and method |
| CN110886195A (en) * | 2019-12-12 | 2020-03-17 | 福州大学 | Shock insulation structure suitable for abutment rigid frame bridge and construction method |
| CN111236062A (en) * | 2020-03-01 | 2020-06-05 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device |
| CN111236061A (en) * | 2020-03-01 | 2020-06-05 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device and telescopic component |
| CN111236061B (en) * | 2020-03-01 | 2022-03-15 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device and telescopic component |
| CN111236062B (en) * | 2020-03-01 | 2022-03-15 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20150729 |
|
| RGAV | Abandon patent right to avoid regrant |