CN207727423U - Replaceable shallow-buried modular bridge expansion device - Google Patents
Replaceable shallow-buried modular bridge expansion device Download PDFInfo
- Publication number
- CN207727423U CN207727423U CN201820067149.5U CN201820067149U CN207727423U CN 207727423 U CN207727423 U CN 207727423U CN 201820067149 U CN201820067149 U CN 201820067149U CN 207727423 U CN207727423 U CN 207727423U
- Authority
- CN
- China
- Prior art keywords
- displacement
- central sill
- hanger
- support beam
- replaceable
- 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.)
- Expired - Fee Related
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 68
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a removable shallow modulus formula bridge telescoping device that buries. The utility model discloses a two boundary beams and one or many well roof beams, well roof beam and supporting beam adopt bolted connection, the boundary beam adopts bolted connection with the gallows, and the gallows and the displacement case of coaxial line are connected through compressing tightly support, pressure-bearing support and supporting beam, be provided with the polyurethane spring between supporting beam tip and the displacement case curb plate, the boundary beam adopts bolted connection with displacement roof board, and the boundary beam keeps level with displacement case upper surface, displacement roof board adopts bolted connection with the box, well roof beam and boundary beam are the deformed steel that contains C type notch, supporting beam bottom flange board and gallows bottom limiting plate between be provided with polymer elastic gasket. The overall height of the telescopic device is low, the requirement of shallow notches of expansion joints of the existing beam body is met, meanwhile, parts in the middle beam and the displacement box can be conveniently overhauled or replaced, the maintenance time is short, the cost is low, and the influence on traffic is small.
Description
Technical field
The utility model is related to a kind of replaceable shallow embedding modulus bridge expansion devices.
Background technology
Bridge extension joint is important one of the affiliated facility of bridge, is stretched to bearing and transmitting vehicular load, adapt to bridge
The effect of contracting variation and all directions rotation.In existing highway bridge telescopic device, modular expansion device is because having structural reliability
The advantages that height, durability is strong, and water resistance is good has wide practical use in science of bridge building field.But existing highway bridge is flexible
There are still following deficiencies for device：
1. the central sill of modular expansion device is least favorable primary structure member, the connection of central sill and support beam is generally using weldering
Mode is connect, connectivity robustness is influenced by welding procedure quality, for the more telescopic device of central sill number, to construction site
It is more demanding, and inconvenience is transported and installs, when central sill is impaired to be needed replacing, weld weld seam need to be destroyed, construction is inconvenient, goes back
Support beam may be destroyed；
2. displacement case uses the body structure of integral solder, integrally it is embedded in beam-ends concrete, cover top surface
Certain thickness concrete is poured, when to compressing support, bearing and the polyurethane spring etc. in central sill and displacement case
Part check or impaired when needing replacing, if not cutting displacement box top concrete, cutting displacement roof box cannot be examined
Corresponding component and parts to be looked into and replaced, safeguards and replacement cost is higher, and deal with all inconvenience, required time is longer,
It is big to traffic impact.
3. the mode that side bar mostly uses greatly bottom with displacement roof box welds is fixedly connected, only needed more when side bar is undamaged
When transposition moves other parts in case, cutting displacement roof box may damage side bar, and must be by side bar together
The inspection and replacement of parts could be carried out by removing, and increased maintenance and replaced difficulty, be inconvenient.
Invention content
The technical problems to be solved in the utility model be to provide it is a kind of meet current bridge beam body expansion joint notch it is shallower,
Transport and bridge shallow embedding modulus type easy for installation, that replacement parts are simple, the of low cost and time is short, small to traffic impact are stretched
Compression apparatus.
In order to achieve the above technical purposes, the technical solution of the utility model is：A kind of replaceable shallow embedding modulus type bridge
Beam telescopic device, including central sill, two side bars, support beam, hanger, compressing support, bearings being set to central sill both sides
With two displacement casees, the displacement case includes displacement box body and displacement roof box, and the displacement box body is embedded in bridge
The side at beam beam body edge, displacement box body towards central sill does not set side wall, and the side bar, hanger and bearing are from top to bottom
It is set to the side that displacement box body does not set side wall, the side bar is fixedly connected with hanger, and the hanger is horizontally disposed
Tubular structure supporting rack, and top is equipped with the opening that is passed through for compressing support, and bottom disconnects so that bearing passes through, described
Crossbeam horizontal through hanger, the side bar is described by passing through the open-topped compressing support of hanger to be supported on crossbeam
Support beam by being supported on displacement bottom plate across the bearing of hanger bottom, the central sill is bolted
Above support beam, polyurethane spring, the side bar and position are provided between the support beam end and displacement case side plate
One of shifting roof box side is connected by screw bolts and upper surface maintains an equal level, and the other sides of displacement roof box are adopted with babinet
It is connected with.
A kind of replaceable shallow embedding modulus bridge expansion device, the central sill and side bar are mouth containing C-shaped channel
Deformed steel, shape of the caulking gum with both ends match with C-shaped channel mouth, and both ends are respectively arranged at side bar and adjacent thereto
In the C-shaped channel mouth of central sill.
A kind of replaceable shallow embedding modulus bridge expansion device, the central sill are having support beam support
Position is provided with both sides bottom wing plate, and bottom wing plate is equipped with fastening bolt preformed hole, and support beam top corresponding position is equipped with
Central sill fastening bolt preformed hole, fastening bolt across fastening bolt preformed hole and central sill fastening bolt preformed hole come connect central sill and
Support beam.
A kind of replaceable shallow embedding modulus bridge expansion device, the side bar bottom are connected with hanger using bolt
It connects.
A kind of replaceable shallow embedding modulus bridge expansion device, between displacement roof box and displacement box body,
It is both provided with high polymer elastic pad between displacement roof box and side bar, between support beam bottom wing plate and hanger bottom limiting plate
Circle.
A kind of replaceable shallow embedding modulus bridge expansion device, the oriented both sides of support beam end set
Extend the spring positioning plate of expansion, the spring positioning plate is equipped with spring mounting hole, in spring positioning plate and displacement case side plate
Between be provided with polyurethane spring, the polyurethane spring is fixed by spring mounting hole.
The utility model has technical effect that：It is whole using a lower height of deformed steel as central sill and side rail configuration
Body structure height is low, can meet the shallower installation requirement of current bridge beam body expansion joint notch very well；Central sill is adopted with support beam
It is connected with fastening bolt, connection is reliable, and intensity is high, and convenient construction, service life is long, is conducive to quick-replaceable and is damaged central sill, most
The influence to bridge traffic is reduced to big degree, maintenance cost is reduced；The displacement box structure detached with babinet using top plate, displacement
Roof box is adopted with babinet and side bar and is bolted connection, and cover top surface is flushed with bridge floor road, does not cover coagulation thereon
Soil so that telescopic device is installed and safeguards easy construction, and maintenance cost is cheap, and repair is time-consuming short, utmostly reduces to traffic
Influence.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view at displacement case；
Fig. 3 is side bar hanger structure cross-sectional view；
In figure：1- central sills, 2- side bars, 3- caulking gum bands, 4- displacement roof box, 5- side bar top plate fastening bolts, 6-
Move box body top plate fastening bolt, 7- beam bodies, 8- displacement box bodies, 9- support beams, 10- polyurethane springs, 11- pressure-bearing branch
Seat, 12- hangers, 13- central sill fastening bolts, 14- displacement casees, 15- compressing supports, 16- high polymer elastic washers, 17- polyurethane
Spring positioning plate, 18- springs fix preformed hole.
Specific implementation mode
As shown in Figure 1, the present embodiment includes two side bars 2 and a central sill 1.Sealing is connected between side bar 2 and central sill 1
Rubber strip 3, central sill and side bar are the deformed steel of the mouth containing C-shaped channel, and shape of the caulking gum with both ends matches with C-shaped channel mouth, and
Both ends are respectively arranged in the C-shaped channel mouth of side bar and central sill adjacent thereto.Displacement case includes displacement box body and displacement case top
Plate, displacement box body are embedded in bridge beam body edge, and the side of displacement box body towards central sill does not set side wall, side bar, hanger and
Bearing is set to displacement box body and does not set side wall of the side of side wall as displacement box body from top to bottom.Side bar and hanger
It is fixedly connected, hanger is horizontally disposed tubular structure supporting rack, and top is equipped with the opening passed through for compressing support, and bottom is disconnected
It opens so that bearing passes through, crossbeam is horizontal through hanger, and side bar is by passing through the open-topped compressing support of hanger to be supported on
On crossbeam, by being supported on displacement bottom plate across the bearing of hanger bottom, central sill is bolted support beam
Above support beam, polyurethane spring, side bar and displacement roof box are provided between support beam end and displacement case side plate
One of side be connected by screw bolts and upper surface maintain an equal level, the other sides of displacement roof box are connected by screw bolts with babinet.
Wherein central sill 1 is connect with support beam 9 using bolt 13, and central sill is provided with two at the position for having support beam to support
Side bottom wing plate, bottom wing plate are equipped with fastening bolt preformed hole, and support beam top corresponding position is reserved equipped with central sill fastening bolt
Hole, fastening bolt connect central sill and support beam across fastening bolt preformed hole and central sill fastening bolt preformed hole.
9 end set of support beam has spring positioning plate 17, spring positioning plate to be equipped with spring mounting hole, spring positioning plate
It is provided with polyurethane spring 10 between 17 and 8 side plate of displacement box body, polyurethane spring is fixed by spring mounting hole, is used
Stroke between buffering and control beam body.
The bottom at support beam 9 of central sill 1 has the bottom wing plate with 13 preformed hole of fastening bolt, the support beam 9 to push up
Corresponding position is held to be equipped with central sill fastening bolt preformed hole, support beam 9 is the rectangle steel that top and bottom are equipped with positioning wing plate
Beam, hanger 12 are under shed frame, and opening both side plate bottom is both provided with limiting plate, 4 upper surface of displacement roof box and side
2 top surface of beam is equal, and side bar 2 and displacement box body 8 are respectively provided with displacement roof box fixed plate, displacement with 4 lap-joint of displacement roof box
There are the preformed hole of fastening bolt 5,6, displacement roof box 4 and displacement casees for roof box fixed plate and displacement roof box corresponding position
Between top plate fixed plate, it is provided with high polymer elastic washer 16 between 12 bottom limiting plate of 9 bottom wing plate of support beam and hanger, is risen
To vibration damping sealing function, 4 upper surface of displacement roof box is flushed with bridge floor road, thereon must not casting concrete.
Claims (6)
1. a kind of replaceable shallow embedding modulus bridge expansion device, which is characterized in that including central sill, be set to central sill both sides
Two side bars, support beam, hanger, compressing support, bearing and two displacement casees, the displacement case include displacement case case
Body and displacement roof box, the displacement box body are embedded in bridge beam body edge, displacement box body towards the side of central sill not
If side wall, the side bar, hanger and bearing are set to the side that displacement box body does not set side wall from top to bottom, described
Side bar is fixedly connected with hanger, and the hanger is horizontally disposed tubular structure supporting rack, and top is equipped with for compressing support
The opening passed through, bottom disconnect so that bearing passes through, and the crossbeam is horizontal through hanger, and the side bar is by passing through
The open-topped compressing support of hanger is supported on crossbeam, and the support beam passes through the bearing branch across hanger bottom
On displacement bottom plate, the central sill is secured by bolts in above support beam for support, the support beam end and displacement
Be provided with polyurethane spring between case side plate, one of the side bar and displacement roof box side be connected by screw bolts and on
Surface maintains an equal level, and the other sides of displacement roof box are connected by screw bolts with babinet.
2. a kind of replaceable shallow embedding modulus bridge expansion device according to claim 1, which is characterized in that described
Central sill and the deformed steel that side bar is the mouth containing C-shaped channel, shape of the caulking gum with both ends match with C-shaped channel mouth, and both ends are distinguished
It is set in the C-shaped channel mouth of side bar and central sill adjacent thereto.
3. a kind of replaceable shallow embedding modulus bridge expansion device according to claim 1, which is characterized in that described
Central sill is having the position that support beam supports to be provided with both sides bottom wing plate, and bottom wing plate is equipped with fastening bolt preformed hole, the branch
It supports beam top corresponding position and is equipped with central sill fastening bolt preformed hole, fastening bolt passes through fastening bolt preformed hole and central sill to fasten
Bolt box connects central sill and support beam.
4. a kind of replaceable shallow embedding modulus bridge expansion device according to claim 1, it is characterised in that：The side
Beam bottom portion is connected by screw bolts with hanger.
5. a kind of replaceable shallow embedding modulus bridge expansion device according to claim 1, it is characterised in that：Displacement case
Between top plate and displacement box body, between displacement roof box and side bar, between support beam bottom wing plate and hanger bottom limiting plate
It is both provided with high polymer elastic washer.
6. a kind of replaceable shallow embedding modulus bridge expansion device according to claim 1, it is characterised in that：The branch
Support beam-end is provided with the spring positioning plate for extending expansion to both sides, and the spring positioning plate is equipped with spring mounting hole,
Polyurethane spring is provided between spring positioning plate and displacement case side plate, the polyurethane spring is carried out by spring mounting hole
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067149.5U CN207727423U (en) | 2018-01-15 | 2018-01-15 | Replaceable shallow-buried modular bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067149.5U CN207727423U (en) | 2018-01-15 | 2018-01-15 | Replaceable shallow-buried modular bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207727423U true CN207727423U (en) | 2018-08-14 |
Family
ID=63082599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820067149.5U Expired - Fee Related CN207727423U (en) | 2018-01-15 | 2018-01-15 | Replaceable shallow-buried modular bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207727423U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235256A (en) * | 2018-10-22 | 2019-01-18 | 东南大学 | A kind of novel bridge expansion gap device monitoring beam end displacement |
| CN110700087A (en) * | 2019-10-10 | 2020-01-17 | 四川省公路规划勘察设计研究院有限公司 | Bridge expansion device |
| CN112900251A (en) * | 2021-01-21 | 2021-06-04 | 秦利琼 | Anchoring device for waterproof expansion joint of highway and using method thereof |
| CN112962441A (en) * | 2021-01-28 | 2021-06-15 | 中铁第一勘察设计院集团有限公司 | Self-resetting modular fast-assembly modular expansion device |
| CN114232471A (en) * | 2022-01-19 | 2022-03-25 | 贵州省交通规划勘察设计研究院股份有限公司 | Assembly modular expansion device |
| CN114411542A (en) * | 2022-03-01 | 2022-04-29 | 江苏领跑梦设计研究有限公司 | Assembled telescoping device |
| CN114991001A (en) * | 2022-05-20 | 2022-09-02 | 苏交科集团股份有限公司 | Easy-to-overhaul spliced bridge expansion joint structure and construction method thereof |
| CN115787454A (en) * | 2022-11-23 | 2023-03-14 | 江苏久兴建设工程有限公司 | Fully-assembled modular bridge expansion device and installation method thereof |
-
2018
- 2018-01-15 CN CN201820067149.5U patent/CN207727423U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235256A (en) * | 2018-10-22 | 2019-01-18 | 东南大学 | A kind of novel bridge expansion gap device monitoring beam end displacement |
| CN110700087A (en) * | 2019-10-10 | 2020-01-17 | 四川省公路规划勘察设计研究院有限公司 | Bridge expansion device |
| CN112900251A (en) * | 2021-01-21 | 2021-06-04 | 秦利琼 | Anchoring device for waterproof expansion joint of highway and using method thereof |
| CN112962441A (en) * | 2021-01-28 | 2021-06-15 | 中铁第一勘察设计院集团有限公司 | Self-resetting modular fast-assembly modular expansion device |
| CN114232471A (en) * | 2022-01-19 | 2022-03-25 | 贵州省交通规划勘察设计研究院股份有限公司 | Assembly modular expansion device |
| CN114411542A (en) * | 2022-03-01 | 2022-04-29 | 江苏领跑梦设计研究有限公司 | Assembled telescoping device |
| CN114991001A (en) * | 2022-05-20 | 2022-09-02 | 苏交科集团股份有限公司 | Easy-to-overhaul spliced bridge expansion joint structure and construction method thereof |
| CN115787454A (en) * | 2022-11-23 | 2023-03-14 | 江苏久兴建设工程有限公司 | Fully-assembled modular bridge expansion device and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 |