CN207469076U - Overbridge widens modulus type expansion gap device - Google Patents
Overbridge widens modulus type expansion gap device Download PDFInfo
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- CN207469076U CN207469076U CN201721488146.0U CN201721488146U CN207469076U CN 207469076 U CN207469076 U CN 207469076U CN 201721488146 U CN201721488146 U CN 201721488146U CN 207469076 U CN207469076 U CN 207469076U
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- central sill
- overbridge
- side bar
- widens
- support beam
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Abstract
Overbridge widens modulus type expansion gap device, parallel interval fixes a side bar (11) respectively for central sill (9) both sides, and special-shaped rubber band (10) is installed in the spaced slot of this two groove profiles, the fixed anchor rib (6) of stretching is respectively perpendicular on two side bars (11) lateral wall, support beam (14) is fixedly mounted in the lower section of central sill (9), support beam (14) both ends are erect respectively is fixedly mounted embedded board (5).The load support and load transmission at expansion joint are uniform and stable；With the displacement that system interlink pattern corresponding topical component occurs, in the case where adjusting system interaction, central sill (9), side bar (11) can generate displacement.It is fitted together after can manufacturing respectively, reduces manufacture assembling difficulty, simple in structure, parts are few, and failure rate is low after installation, and structural strength is high, and service life is long, easy to maintain, and good damping effect, application prospect is extensive, and clearance of expansion rail is overcome to change non-uniform phenomenon.
Description
Technical field
The utility model is related to the structure improved technology of overhead overbridge expansion gap device, especially overbridge widens modulus
Formula expansion gap device.
Background technology
It is continued to develop with the construction of traffic infrastructure, the continuous encryption of freeway net and other road networks, overbridge
It is more and more.Overbridge crosses the facility of highway for upper straddle type, is generally arranged at pedestrian, bicycle and other vehicles across at a high speed
The more serious place in the place of highway and Class I highway, particularly traffic flow conflict, such as station, large sized commercial center or other friendships
At prong.Cross-line viaduct refers to the bridge of the traffic routes such as crossing highway, railway or urban road.On existing line across
More.It is divided into as separate type and intercommunication.The former only ensures that the vehicle of sandwich circuit up and down respectively independently passes through；The latter can make levels
The vehicle of circuit is mutually current, and complicated detour ring road is built in plane and facade, occupies many soils.To reduce noise,
Use prestressed concrete bridge more.
Expansion joint, that is, expansion joint is built, is referred to prevent building member from making knot since climate temperature heat expansion, shrinkage change
The build joint that structure generates crack or destruction and set along building or the suitable position in structures construction joint direction.It is flexible
Seam is that building element more than basis such as wall, floor, roof are divided into two independent sectors, makes building or structures edge
Length direction can do horizontal extension.
Bridge expanssion joint refers to the requirement to meet bridge floor deformation, usually between two beam-ends, between beam-ends and abutment
Or expansion joint is set in the articulated position of bridge.It, can be from it is required that expansion joint is in both directions parallel, perpendicular to bridge axes
It is solid and reliable by stretching, it should be smoothed out when vehicle is run over, without kick and noise；It can prevent rainwater and rubbish soil from penetrating into resistance
Plug；Installation, check, maintenance, eliminate dirt will simple and convenient.At setting expansion joint, railing will be disconnected with deck paving.
The effect of bridge expanssion joint be to adjust as the displacement between the superstructure caused by vehicular load and bridge construction material and
It is coupled.The telescopic device of skew bridge by the speed for seriously affecting driving, comfort and safety or even causes to go once being destroyed
Vehicle safety accident.Build-in type docking expansion gap device is embedding securely by rubber strip of different shapes using the steel member of different shape
Determine, and the deformation of beam body is absorbed with the tension and compression deformation of rubber strip, extrusome may be at pressured state.It can also be in
Tension state.Board-like rubber telescopic device, it is difficult to meet the requirement of big displacement quantity；The telescopic device of steel type, it is difficult to do
It is waterproof to sealing, and the impact to vehicle is be easy to cause, influence the travelling of vehicle.Hold again using shock-absorbing cushion performance is good
It is easy to do to the rubber material of sealing, what the special section good with intensity high-performance combined, it can bear vehicle in big displacement quantity
The all types of modulus supporting type bridge extension joints of load.
Utility model content
The purpose of this utility model is to provide overbridge and widens modulus type expansion gap device, and installation maintenance is easy for construction, therefore
Barrier rate is very low, and structural strength is high, and service life is long.
The purpose of this utility model will be realized by following technical measures：Including embedded board, anchor rib, central sill, abnormal shape
Rubber strip, side bar and support beam；Parallel interval fixes a side bar, and at the interval of this two groove profiles respectively for central sill both sides
Special-shaped rubber band is installed, the both sides of the edge of special-shaped rubber band are rabbeted respectively on one of two side walls of central sill or side bar in gap
On madial wall, meanwhile, the fixed anchor rib of stretching is respectively perpendicular on two side bar lateral walls, it is horizontal that support is fixedly mounted in the lower section of central sill
Beam, support beam erect fixed installation embedded board respectively both perpendicular to central sill and side bar, support beam both ends.
Especially, two groups of support beams and embedded board are mounted on the both ends of central sill and side bar, alternatively, at least three groups of supports are horizontal
Beam and embedded board interval are equidistantly mounted between central sill and the both ends of side bar.
Especially, central sill is E sections expansion joint shaped steel, and side bar cuts surface expansion joint shaped steel for king.
Especially, support beam both ends connect embedded board by connecting base plate with reinforcing rib respectively.
Especially, limit rib is installed respectively in the upper and lower side in the middle and back of anchor rib.
Especially, fixed translation supporting rib, translation supporting rib are parallel with central sill or side bar respectively for embedded board both sides.
Especially, embedded board both sides, which have, wears muscle hole.
Especially, central sill is fixedly mounted on by supported box in support beam, and pressure is installed between supported box and support beam
Contracting spring.
The advantages of the utility model and effect：Central sill has by oneself to slide on the upside of support beam to be become with corresponding expansion joint width
Change, the load support and load transmission at expansion joint are uniform and stable；By anchor plate and the convenient adjustment adaptation slit width of muscle cooperation is crossed,
With the displacement that system interlink pattern corresponding topical component occurs, in the case where adjusting system interaction, central sill, side bar can generate position
It moves.It is fitted together after can manufacturing respectively, reduces manufacture assembling difficulty, simple in structure, parts are few, and failure rate is low after installation,
Structural strength is high, and service life is long, easy to maintain, and good damping effect, application prospect is extensive, overcomes clearance of expansion rail variation uneven
Even phenomenon.
Description of the drawings
Fig. 1 is 1 structure diagram of the utility model embodiment.
Fig. 2 is 1 mounting plane structure diagram of the utility model embodiment.
Fig. 3 is 1 mounting vertical plane structure diagram of the utility model embodiment.
Reference numeral includes：
Concrete pavement layer 1, asphalt mixture surfacing 2, steel fiber reinforced concrete filling block 3, embedded ribs 4, embedded board 5, anchor rib 6,
Connecting base plate 7, central sill 9, special-shaped rubber band 10, side bar 11, limit rib 12, crosses muscle 13, support beam 14, stretches reinforcing rib 8
Seam 15, beam body 16, beam steel 17, translation supporting rib 18.
Specific embodiment
The utility model principle is, functional component is decomposed into mutually independent support system and slit width adjusts system,
Support system solves the load support and load transmission at expansion joint, and slit width adjusts system with motor-driven corresponding dilatation.
The utility model includes：Embedded board 5, anchor rib 6, central sill 9, special-shaped rubber band 10, side bar 11 and support beam 14.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1：As shown in Figure 1, parallel interval fixes a side bar 11, and at this two to 9 both sides of central sill respectively
Special-shaped rubber band 10 is installed, the both sides of the edge of special-shaped rubber band 10 are rabbeted respectively in two sides of central sill 9 in the spaced slot of groove profile
On one of wall or on the madial wall of side bar 11, meanwhile, the fixed anchor rib 6 of stretching is respectively perpendicular on two side bars, 11 lateral wall, in
Support beam 14 is fixedly mounted in the lower section of beam 9, and support beam 14 is both perpendicular to central sill 9 and side bar 11,14 both ends of support beam
It erects respectively and embedded board 5 is fixedly mounted.
In aforementioned, two groups of support beams 14 and embedded board 5 are mounted on the both ends of central sill 9 and side bar 11, alternatively, at least three groups
Support beam 14 and the interval of embedded board 5 are equidistantly mounted between the both ends of central sill 9 and side bar 11.
In aforementioned, central sill 9 is E sections expansion joint shaped steel, and side bar 11 cuts surface expansion joint shaped steel for king.
In aforementioned, 14 both ends of support beam connect embedded board 5 by connecting base plate 7 and reinforcing rib 8 respectively.
In aforementioned, limit rib 12 is installed respectively in the upper and lower side in the middle and back of anchor rib 6.
In aforementioned, 5 both sides of embedded board are fixed respectively to translate supporting rib 18, translates supporting rib 18 and central sill 9 or side bar 11 are flat
Row.
In aforementioned, 5 both sides of embedded board, which have, wears muscle hole.
In aforementioned, central sill 9 is fixedly mounted on by supported box in support beam 14, is pacified between supported box and support beam 14
Fill compressed spring.
The utility model embodiment is in installation, as shown in attached drawing 1,2,3, after single unit system is controlled expansion joint
Weld seam is carried out by reinforcing bar to fix, is strict with quality standard, it is necessary to be ensured after locking steel plate is removed, expansion joint combination physical efficiency
The displacement of absorbing structure, the solidification without damaging institute's casting concrete in notch, fusion length are not less than 10d.Adjacent two
15 upside placement support beam 14 of expansion joint is reserved in 16 end of beam body, and two embedded boards 5 at both ends are respectively placed in two beam bodies, 16 end
Top surface, preset 4 bottom of embedded ribs are horizontal between multigroup embedded ribs 4 respectively with 17 banding fixed of beam steel in 16 end of beam body
Roll connection to tying up and cross muscle 13, what 5 base of embedded board was pressed in corresponding position crosses 13 upside of muscle, by limit rib 12 also with embedded ribs
4 carry out banding fixed, pour steel fiber reinforced concrete filling block 3 between embedded board 5, embedded ribs 4, anchor rib 6, steel fiber reinforced concrete is filled out
Fill that 3 top surface of block is equal with the top surface of central sill 9 and side bar 11, also, on 16 top surface of beam body in 3 outside of steel fiber reinforced concrete filling block
Concrete pavement layer 1 is first done in side, then does asphalt mixture surfacing 2.
In the utility model embodiment, when expansion joint width changes, central sill 9, side bar 11 shaped steel structure piece can
It has by oneself and slides in support beam 14, support system solves the load support and load transmission at expansion joint；Slit width adjusts system cloth
Neutral gear region among support system is placed in, if wherein a shaped steel structure piece is subjected to displacement, in the case where adjusting system interaction
Displacement can be generated.
In the utility model embodiment, when earthquake occurs when malformations event, 16 end crevice of beam body constantly increases
Situation occur after, both sides side bar 11 separates the slip in direction along support beam 14 and generating relatively, and spacing continues to increase, directly
It cannot be compressed to stop again to steel fiber reinforced concrete filling block 3, at this point, reached the modulus type expansion gap device maximal dilation limit,
Reach and make a reservation for maximum free wxpansion distance Lt.
In the utility model, by side bar 11, central sill 9, support beam 14 and displacement control system and special-shaped rubber band 10
Wait components composition expansion joint telescopic device, by load-carrying members and to Large Displacement Expansion Joints it is highly beneficial, reduce and make position
It moves control and is reduced to small range, saved steel.
Claims (8)
1. overbridge widens modulus type expansion gap device, including embedded board (5), anchor rib (6), central sill (9), special-shaped rubber band
(10), side bar (11) and support beam (14)；It is characterized in that, parallel interval fixes a side bar respectively for central sill (9) both sides
(11), special-shaped rubber band (10), the both sides of the edge of special-shaped rubber band (10) and in the spaced slot of this two groove profiles are installed
Rabbet respectively in one of two side walls of central sill (9) above or on the madial wall of side bar (11), meanwhile, divide on two side bars (11) lateral wall
Fixed anchor rib (6) is not extended perpendicularly out, support beam (14) is fixedly mounted in the lower section of central sill (9), support beam (14) is simultaneously
Perpendicular to central sill (9) and side bar (11), support beam (14) both ends are erect respectively is fixedly mounted embedded board (5).
2. overbridge as described in claim 1 widens modulus type expansion gap device, which is characterized in that two groups of support beams (14)
With embedded board (5) mounted on the both ends of central sill (9) and side bar (11), alternatively, at least three groups of support beams (14) and embedded board (5)
Interval is equidistantly mounted between the both ends of central sill (9) and side bar (11).
3. overbridge as described in claim 1 widens modulus type expansion gap device, which is characterized in that central sill (9) is stretched for E sections
Contracting seam shaped steel, side bar (11) cut surface expansion joint shaped steel for king.
4. overbridge as described in claim 1 widens modulus type expansion gap device, which is characterized in that support beam (14) both ends
Embedded board (5) is connected by connecting base plate (7) and reinforcing rib (8) respectively.
5. overbridge as described in claim 1 widens modulus type expansion gap device, which is characterized in that in anchor rib (6)
The upper and lower side in rear portion is installed by limit rib (12) respectively.
6. overbridge as described in claim 1 widens modulus type expansion gap device, which is characterized in that embedded board (5) both sides point
Supporting rib (18) Gu Ding not be translated, translation supporting rib (18) is parallel with central sill (9) or side bar (11).
7. overbridge as described in claim 1 widens modulus type expansion gap device, which is characterized in that embedded board (5) both sides point
It is not provided with and wears muscle hole.
8. overbridge as described in claim 1 widens modulus type expansion gap device, which is characterized in that central sill (9) passes through bearing
Case is fixedly mounted in support beam (14), and compressed spring is installed between supported box and support beam (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488146.0U CN207469076U (en) | 2017-11-09 | 2017-11-09 | Overbridge widens modulus type expansion gap device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488146.0U CN207469076U (en) | 2017-11-09 | 2017-11-09 | Overbridge widens modulus type expansion gap device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207469076U true CN207469076U (en) | 2018-06-08 |
Family
ID=62263317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721488146.0U Active CN207469076U (en) | 2017-11-09 | 2017-11-09 | Overbridge widens modulus type expansion gap device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207469076U (en) |
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2017
- 2017-11-09 CN CN201721488146.0U patent/CN207469076U/en active Active
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