CN110424258A - A kind of bidirectionally limited telescopic device of bridge bracket of low clearance - Google Patents
A kind of bidirectionally limited telescopic device of bridge bracket of low clearance Download PDFInfo
- Publication number
- CN110424258A CN110424258A CN201910712495.3A CN201910712495A CN110424258A CN 110424258 A CN110424258 A CN 110424258A CN 201910712495 A CN201910712495 A CN 201910712495A CN 110424258 A CN110424258 A CN 110424258A
- Authority
- CN
- China
- Prior art keywords
- bracket
- bridge
- telescopic device
- plate
- low clearance
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000010426 asphalt Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
-
- 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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bidirectionally limited telescopic device of bridge bracket of low clearance, which is located on the beam slab of bridge bracket beam seam two sides, is made of fixing end, sliding end and anchor system；Pre-embedded steel slab is buried in the beam slab top surface of bracket beam seam two sides, and steel plate bottom surface is welded embedded bar, is firmly anchored in beam slab body, forms anchor system；The fixing end is located at the left bracket of bridge, and the sliding end is located on the right bracket of bridge.Realize vertical spacing, make the beam slab displacement coordination of bracket two sides, reduce vehicular impact to the greatest extent, thus improve the safety of bridge bracket with it is durable；Longitudinal spacing is realized, when bridge meets rarely occurred earthquake or other extreme cases, telescopic device has carried out effective limitation to the length travel of bridge bracket two sides beam slab, to prevent the excessive risk for causing to fall beam of Bridges During Earthquake bracket length travel；Structure letter knot, building height is low, firmly installs, and beam slab facilitates construction without fluting.
Description
Technical field
The present invention relates to bridge extension joint fields, and in particular to a kind of bidirectionally limited flexible dress of the bridge bracket of low clearance
It sets.
Background technique
Bracket is widely used in bridge as a kind of beam portion bridging arrangement of beam bridge.Between connection and connection
It uses bracket bridging arrangement that can reach aesthetic effect with hidden cap beam, sees that beam structure is natural and tripping, feels without partition on facade, together
When increase under-clearance.
It is overlapped on bridge using bracket, so that connection end bridge pier size is consistent with other piers, pier shaft type is few, and construction is very
It is convenient, while saving project cost.
Generally using conventional expansion joint on bridge bracket, special open is not carried out to telescopic device for the loading characteristic of bracket
Hair.
Conventional bracket expansion joint is primarily present following three Xiang Wenti:
1, lack vertical spacing, when Vehicle Load is in bracket attachment, bracket can generate downwarp or upwarp, and form bridge
Face dog-ear, causes vehicular impact, can rapidly result in expansion joint and bracket damage.
2, lack longitudinal spacing, when bridge meets rarely occurred earthquake or other extreme cases, the beam slab of bridge bracket two sides
Length travel is excessive, there is the risk for falling beam.
3, telescopic device building height is larger, and beam slab needs to slot, and construction is inconvenient.
Summary of the invention
For the deficiency of existing traditional bridge bracket telescopic device, the present invention provides a kind of bridge bracket of low clearance is double
To limit telescopic device.The telescopic device is able to achieve vertical, longitudinal bidirectionally limited function, while building height is low, beam slab without
It needs to slot.To efficiently solve Three Difficult Issues existing for above-mentioned conventional bracket expansion joint.
The following technical solution is employed for the technical problems to be solved by the invention to realize:
A kind of bidirectionally limited telescopic device of bridge bracket of low clearance, the telescopic device are located at bridge bracket beam seam two sides
On beam slab, including fixing end, sliding end；
The fixing end is located at the left bracket of bridge, and the sliding end is located on the right bracket of bridge；
The fixing end is used as bridge floor wheel bearing system, is specifically made of the first L-type bottom plate, upper cover plate, bolt；
On the first left bracket of L-type bottom plate welded bridge, upper cover plate is bolted by bolt and the first L-type bottom plate；
The sliding end guarantees the normal sliding extension function at expansion joint, specifically by the second L-type expansion plate, riser, stainless
Steel slide plate, wearing plate composition；
Second L-type expansion plate is packaged in the sliding slot being made of the first L-type bottom plate and upper cover plate；Sliding slot top and bottom set stainless
Steel slide plate, the second L-type expansion plate are slided on stainless steel slide plate by wearing plate；
Second L-type expansion plate and riser weld, and riser is welded on the right bracket of bridge by weld seam.
Further technology of the invention:
Preferably, which further includes anchor system, and pre-buried steel is buried in the beam slab top surface of bracket beam seam two sides
Plate, steel plate bottom surface are welded embedded bar, are firmly anchored in beam slab body, and anchor system is formed.
Preferably, the first L-type bottom plate is welded on pre-embedded steel slab.
Preferably, the riser is welded on pre-embedded steel slab by weld seam.
Preferably, floor is put more energy by welding first in the first L-type bottom plate back side and WELDING STUDS is put more energy into.
Preferably, floor is put more energy by welding second in the riser back side and WELDING STUDS is put more energy into.
Preferably, telescopic device after the installation is completed, is filled out using elastic concrete joint sealing material in bridge asphalt pavement preformed groove
Seam.
Preferably, the top surface of upper cover plate and riser is concordant with asphalt pavement.
Preferably, entire telescopic device height is identical as asphalt pavement thickness.
The present invention provides a kind of bidirectionally limited telescopic devices of bridge bracket of low clearance, it has the advantage that:
1, vertical spacing is realized, makes the beam slab displacement coordination of bracket two sides, reduces vehicular impact to the greatest extent, from
And improve the safety of bridge bracket with it is durable.
2, longitudinal spacing is realized, when bridge meets rarely occurred earthquake or other extreme cases, telescopic device is to bridge bracket
The length travel of two sides beam slab has carried out effective limitation, to prevent Bridges During Earthquake bracket length travel is excessive to cause to fall beam
Risk.
3, structure letter knot, building height is low, firmly installs, and beam slab facilitates construction without fluting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of bidirectionally limited telescopic device elevational schematic view of bridge bracket of low clearance；
Fig. 2 is a kind of bidirectionally limited telescopic device floor map of bridge bracket of low clearance；
Fig. 3 is the normal vertical spacing state thin portion drawing of telescopic device；
Fig. 4 is telescopic device limit longitudinal spacing state thin portion drawing；
Fig. 5 is a kind of bidirectionally limited telescopic device installation procedure figure of bridge bracket of low clearance；
In figure, the first L-type of 1- bottom plate, 2- upper cover plate, 3- bolt, 4- limited block, the second L-type of 5- expansion plate, 6- riser,
7- stainless steel slide plate, 8- wearing plate, 9- first put more energy into floor, 11- WELDING STUDS, 12- weld seam, the 13- of floor, 10- second that put more energy into are pre-
Bury steel plate, 14- embedded bar, 15- elasticity concrete joint sealing material, 16- asphalt pavement, the left bracket of 17- bridge, the right bracket of 18- bridge.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
A kind of bidirectionally limited telescopic device of bridge bracket of low clearance provided by the present invention, can be used for stroke and is no more than
In any bridge bracket structure for being applicable in conventional expansion joint of 80mm, 20~60mm of joint gap.
As shown in Figure 1 to 4, the first L-type bottom plate 1, upper cover plate 2, bolt 3, limited block 4, the second L-type expansion plate 5, perpendicular
Plate 6, stainless steel slide plate 7, wearing plate 8, first put more energy into floor 9, second put more energy into floor 10, WELDING STUDS 11, weld seam 12, pre-embedded steel slab
13, embedded bar 14, elastic concrete joint sealing material 15, asphalt pavement 16, the left bracket 17 of bridge, the right bracket 18 of bridge.
A kind of bidirectionally limited telescopic device of bridge bracket of low clearance, by fixing end bridge floor bearing system, sliding end and anchor
Gu system three parts form.
Telescopic device fixing end is located on the left bracket 17 of bridge, while using as bridge floor wheel bearing system.Specifically by
First L-type bottom plate 1, upper cover plate 2, bolt 3, first put more energy into floor 9, WELDING STUDS 11 form.
Further, the first L-type bottom plate 1 is securely welded on pre-embedded steel slab 13, and upper cover plate 2 passes through bolt 3 and the first L-type
Bottom plate 1 is bolted.It is connected by screw bolts and facilitates detachable cover plate, maintenance and easy to maintenance when routine use.
Further, floor 9 is put more energy by welding first in 1 back side of the first L-type bottom plate and WELDING STUDS 11 is put more energy into, effectively
Improve the rigidity of bridge floor wheel bearing system.
Telescopic device sliding end is located on the right bracket 18 of bridge, guarantees the normal sliding extension function at expansion joint.Specifically by
Second L-type expansion plate 5, riser 6, stainless steel slide plate 7, wearing plate 8, second put more energy into floor 10, WELDING STUDS 11 form.
Further, the second L-type expansion plate 5 is packaged in the sliding slot being made of the first L-type bottom plate 1 and upper cover plate 2.Sliding slot
Top and bottom set stainless steel slide plate 7, and the second L-type expansion plate 5 is slided on stainless steel slide plate 7 by wearing plate 8, complete flexible
The Telescopic of seam.
Further, the second L-type expansion plate 5 is welded with riser 6, and riser 6 is securely welded on pre-embedded steel slab by weld seam 12
On 13.6 back side of riser puts more energy into floor 10 by welding second and WELDING STUDS 11 is put more energy into, common to support the second L-type expansion plate 5
It is slided.
Pre-embedded steel slab 13 is buried in the beam slab top surface that bracket beam stitches two sides, and steel plate bottom surface is welded embedded bar 14, securely anchored
In beam slab body, anchor system is formed.
Telescopic device after the installation is completed, carries out joint filling using elastic concrete joint sealing material 15 in 16 preformed groove of bridge asphalt pavement.
The top surface of upper cover plate 2 and riser 6 is concordant with asphalt pavement 16.
Further, entire telescopic device height is identical as 16 thickness of asphalt pavement, generally 10cm, bracket two sides beam slab
Top surface effectively meets the requirement of telescopic device low clearance without fluting.
How bidirectionally limited and installation procedure is realized if being described in detail to the present invention with reference to the accompanying drawing.
Referring to Fig. 3, when telescopic device is in normal vertical spacing state, the second L-type expansion plate 5 is by the first L-type bottom plate 1
It is free to slide in the sliding slot formed with upper cover plate 2, but the second L-type expansion plate 5 and the first L-type bottom plate 1 and about 2 upper cover plate are close
Contact, realizes vertical spacing.The vertical deformation of any side of bracket can be transmitted to oncoming lane, power by telescopic device
The vertical shear for learning substantially bridge bracket is transmitted by telescopic device, to make the beam slab vertical displacement of bracket two sides
Coordinate, reduce vehicular impact to the greatest extent, improve the safety of bridge bracket with it is durable.
Referring to fig. 4, when telescopic device is in limit longitudinal spacing state, the second L-type expansion plate 5 slides into the right upper cover plate
2 edge is limited block 4 and effectively stops, so that it be prevented to continue to slide.Function is arranged in it, when bridge meets rare chance ground
When shake or other extreme cases, telescopic device has carried out effective limitation to the length travel of bridge bracket two sides beam slab, thus anti-
The excessive risk for causing to fall beam of Bridges During Earthquake bracket length travel is stopped.
Referring to Fig. 5, when telescopic device is specifically installed, the first step installs the first L-type bottom plate 1 and its stiffening element；Second step
Second L-type expansion plate 5, riser 6 and its stiffening element are installed；Third step installs upper cover plate 2 and limited block 4.Notice that installation is suitable
Sequence cannot overturn, and otherwise telescopic device can not be installed, while while installing has to the width that beam seam is adjusted according to temperature at that time.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
In the present invention, it provides and limits unless there are specific, it is interlaced between feature, not necessarily it is individually present.With
On be shown and described with including basic principles and main features and its advantage of the invention.Being engaged in the technical professional need to know, this
The limitation be not limited to the above embodiment is invented, the above embodiments are only preferred examples of the present invention with specification, rather than are used
The present invention is limited, to become unique selection.In the case where the spirit and scope of invention require, the present invention can be also further change in and excellent
Change, to the present invention carry out improve and optimizate all enter scope of the claimed invention in, claimed specific range
It is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of bidirectionally limited telescopic device of bridge bracket of low clearance, it is characterised in that: the telescopic device is located at bridge bracket
Beam stitches on the beam slab of two sides, including fixing end, sliding end；
The fixing end is located at the left bracket of bridge, and the sliding end is located on the right bracket of bridge；
The fixing end is used as bridge floor wheel bearing system, is specifically made of the first L-type bottom plate, upper cover plate, bolt；
On the first left bracket of L-type bottom plate welded bridge, upper cover plate is bolted by bolt and the first L-type bottom plate；
The sliding end guarantees the normal sliding extension function at expansion joint, specifically sliding by the second L-type expansion plate, riser, stainless steel
Plate, wearing plate composition；
Second L-type expansion plate is packaged in the sliding slot being made of the first L-type bottom plate and upper cover plate；It is sliding that sliding slot top and bottom set stainless steel
Plate, the second L-type expansion plate are slided on stainless steel slide plate by wearing plate；
Second L-type expansion plate and riser weld, and riser is welded on the right bracket of bridge by weld seam.
2. a kind of bidirectionally limited telescopic device of bridge bracket of low clearance according to claim 1, it is characterised in that: should
Telescopic device further includes anchor system, and pre-embedded steel slab is buried in the beam slab top surface of bracket beam seam two sides, and the welding of steel plate bottom surface is pre-
Reinforcing bar is buried, is firmly anchored in beam slab body, anchor system is formed.
3. a kind of bidirectionally limited telescopic device of bridge bracket of low clearance according to claim 2, it is characterised in that: institute
The first L-type bottom plate is stated to be welded on pre-embedded steel slab.
4. a kind of bidirectionally limited telescopic device of bridge bracket of low clearance according to claim 2, it is characterised in that: institute
Riser is stated to be welded on pre-embedded steel slab by weld seam.
5. a kind of bidirectionally limited telescopic device of bridge bracket of low clearance according to claim 1, it is characterised in that: institute
State that floor is put more energy by welding first in the first L-type bottom plate back side and WELDING STUDS is put more energy into.
6. a kind of bidirectionally limited telescopic device of bridge bracket of low clearance according to claim 1, it is characterised in that: institute
State that floor is put more energy by welding second in the riser back side and WELDING STUDS is put more energy into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712495.3A CN110424258A (en) | 2019-08-02 | 2019-08-02 | A kind of bidirectionally limited telescopic device of bridge bracket of low clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712495.3A CN110424258A (en) | 2019-08-02 | 2019-08-02 | A kind of bidirectionally limited telescopic device of bridge bracket of low clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110424258A true CN110424258A (en) | 2019-11-08 |
Family
ID=68412363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910712495.3A Pending CN110424258A (en) | 2019-08-02 | 2019-08-02 | A kind of bidirectionally limited telescopic device of bridge bracket of low clearance |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153967A (en) * | 2021-04-27 | 2021-07-23 | 枣庄学院 | Fiber-reinforced magnetorheological rubber air spring stop block for shock resistance |
| CN113356041A (en) * | 2021-06-09 | 2021-09-07 | 中冶南方工程技术有限公司 | Bridge telescoping device and bridge |
| CN114277684A (en) * | 2021-12-30 | 2022-04-05 | 武船重型工程股份有限公司 | Leveling device and method for steel structure bridge panel |
| CN116856272A (en) * | 2023-08-31 | 2023-10-10 | 福建省高速公路科技创新研究院有限公司 | Cast-in-situ water stop device for bridge deformation and construction method thereof |
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| CN202227264U (en) * | 2011-09-20 | 2012-05-23 | 中国水电顾问集团华东勘测设计研究院 | Steel plate overlapped type telescopic device |
| KR101173684B1 (en) * | 2012-05-03 | 2012-08-13 | (주)알티에스 | Combination type expansion joint |
| CN202969596U (en) * | 2012-12-26 | 2013-06-05 | 洪友情 | Novel deformation joint device |
| CN108643035A (en) * | 2018-05-03 | 2018-10-12 | 安徽省交通控股集团有限公司 | A kind of vertical spacing telescopic device |
| CN210529483U (en) * | 2019-08-02 | 2020-05-15 | 安徽省交通规划设计研究总院股份有限公司 | Two-way spacing telescoping device of bridge bracket of low height |
-
2019
- 2019-08-02 CN CN201910712495.3A patent/CN110424258A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202227264U (en) * | 2011-09-20 | 2012-05-23 | 中国水电顾问集团华东勘测设计研究院 | Steel plate overlapped type telescopic device |
| KR101173684B1 (en) * | 2012-05-03 | 2012-08-13 | (주)알티에스 | Combination type expansion joint |
| CN202969596U (en) * | 2012-12-26 | 2013-06-05 | 洪友情 | Novel deformation joint device |
| CN108643035A (en) * | 2018-05-03 | 2018-10-12 | 安徽省交通控股集团有限公司 | A kind of vertical spacing telescopic device |
| CN210529483U (en) * | 2019-08-02 | 2020-05-15 | 安徽省交通规划设计研究总院股份有限公司 | Two-way spacing telescoping device of bridge bracket of low height |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153967A (en) * | 2021-04-27 | 2021-07-23 | 枣庄学院 | Fiber-reinforced magnetorheological rubber air spring stop block for shock resistance |
| CN113153967B (en) * | 2021-04-27 | 2022-07-05 | 枣庄学院 | Fiber-reinforced magnetorheological rubber air spring stop block for shock resistance |
| CN113356041A (en) * | 2021-06-09 | 2021-09-07 | 中冶南方工程技术有限公司 | Bridge telescoping device and bridge |
| CN114277684A (en) * | 2021-12-30 | 2022-04-05 | 武船重型工程股份有限公司 | Leveling device and method for steel structure bridge panel |
| CN114277684B (en) * | 2021-12-30 | 2023-09-05 | 武船重型工程股份有限公司 | Leveling device and method for steel structure bridge panel |
| CN116856272A (en) * | 2023-08-31 | 2023-10-10 | 福建省高速公路科技创新研究院有限公司 | Cast-in-situ water stop device for bridge deformation and construction method thereof |
| CN116856272B (en) * | 2023-08-31 | 2023-11-17 | 福建省高速公路科技创新研究院有限公司 | Cast-in-situ water stop device for bridge deformation and construction method thereof |
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