CN209555761U - A kind of bridge expanssion joint damper mechanism - Google Patents
A kind of bridge expanssion joint damper mechanism Download PDFInfo
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- CN209555761U CN209555761U CN201920082527.1U CN201920082527U CN209555761U CN 209555761 U CN209555761 U CN 209555761U CN 201920082527 U CN201920082527 U CN 201920082527U CN 209555761 U CN209555761 U CN 209555761U
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- China
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- lantern ring
- sliding sleeve
- top sliding
- loop bar
- bar spring
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Abstract
The utility model discloses a kind of bridge expanssion joint damper mechanisms, including pull rod, first top sliding sleeve, first loop bar spring, first lantern ring, second top sliding sleeve, second loop bar spring and the second lantern ring, pull rod both ends are respectively arranged with the first top sliding sleeve and the second top sliding sleeve, and pull rod sequentially passes through the first loop bar spring, first lantern ring, second lantern ring and the second loop bar spring, the both ends of first loop bar spring are fixedly connected with the first top sliding sleeve and the first lantern ring respectively, the both ends of second loop bar spring are fixedly connected with the second top sliding sleeve and the second lantern ring respectively.The utility model on pull rod by being arranged loop bar spring and lantern ring, it is decomposed using the transfer that spring and pull rod carry out horizontal direction, it is capable of the impact stress in buffer level direction, the utility model safety coefficient is high, a large amount of manpower and material resources can be saved, project cost is reduced, shortens the construction period, structure is simple, is able to extend the service life of bridge.
Description
Technical field
The utility model relates to bridge construction technology fields, in particular to a kind of bridge expanssion joint damper mechanism.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle；Substructure includes abutment, bridge pier and basis；Support is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment；Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works etc..
The accelerated development of economic globalization and integration of regional economics process, it is big that bridge more tends to load, and impact force is big,
The features such as rate of traffic flow is big.Vehicle drive a vehicle when starting on bridge or braking, slow down, horizontal startup power or brake force directly act on
In spanning, then by spanning horizontal applied force is transmitted to bridge pier.Therefore, the rigidity and bearing capacity of bridge pier are to guarantee driving operation
Safety is vital.
Especially in recent years, being gradually increased with freight volume needs to carry out bridge to guarantee the safety of bridge
Aseismatic Design, damping device are the important components of bridge service life, and damping device can be reduced between master bridge and abutment
Collision earthquake.
Currently, the Bridge Seismic design of the prior art is mostly started with from bridge pad, in the horizontal direction, by using structural steel
Adjacent beam body is fixedly connected, the deformation damping of horizontal direction is carried out by the yield strength of structural steel itself, therefore horizontal
The damping effect in direction is not fine.
Drawbacks described above is worth improving.
Summary of the invention
In order to overcome the shortcomings of existing technology, the utility model provides a kind of bridge expanssion joint damper mechanism.
Technical solutions of the utility model are as described below:
A kind of bridge expanssion joint damper mechanism, including the first beam body, the second beam body and bridge pier, frame respectively on the bridge pier
Equipped with first beam body and the second beam body, vibration damping dress in expansion joint is provided between first beam body and second beam body
It sets, the expansion joint vibration absorber includes pull rod, the first top sliding sleeve, the first loop bar spring, the first lantern ring, the second top cunning
Set, the second loop bar spring and the second lantern ring, the pull rod both ends are respectively arranged with first top sliding sleeve and described the
Two top sliding sleeves, and the pull rod sequentially passes through the first loop bar spring, first lantern ring, second lantern ring and institute
The second loop bar spring is stated, the both ends of the first loop bar spring are solid with first top sliding sleeve and first lantern ring respectively
Fixed connection, the both ends of the second loop bar spring are fixedly connected with second top sliding sleeve and second lantern ring respectively.
Further, first lantern ring is fixedly connected with first beam body, second lantern ring and second beam
Body is fixedly connected, and the pull rod is moved left and right along first lantern ring and second lantern ring.
Further, first top sliding sleeve is fixedly connected with first beam body, and the pull rod is along described first
Top sliding sleeve is moved left and right, and the first second top sliding sleeve is fixedly connected with second beam body, the pull rod along
Second top sliding sleeve is moved left and right.
Further, first top sliding sleeve and second top sliding sleeve, the first loop bar spring and described the
Two loop bar springs, first lantern ring and second lantern ring are to be symmetrical set.
According to the utility model of above scheme, the beneficial effect is that, the utility model is covered by being arranged on pull rod
Bar spring and lantern ring are decomposed using the transfer that spring and pull rod carry out horizontal direction, are capable of the impact in buffer level direction
Stress, the utility model safety coefficient is high, can save a large amount of manpower and material resources, reduces project cost, shortens the construction period, structure letter
It is single, it is able to extend the service life of bridge.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of dust cover in the utility model.
Fig. 3 is the concrete application schematic diagram of the utility model.
1, first beam body in the figure；11, the first beam body basal plane.2, the second beam body；21, the second beam body basal plane；
3, support；4, rubber support is slided；5, bridge pier；
6, expansion joint vibration absorber；61, pull rod；62, the first top sliding sleeve；63, the first loop bar spring；64, the first lantern ring；
65, the second lantern ring；66, the second loop bar spring；67, the second top sliding sleeve.
7, dust cover；8, shear pin.
Specific embodiment
With reference to the accompanying drawing and the utility model is further described in embodiment:
As shown in Figure 1-3, a kind of bridge expanssion joint damper mechanism, including the first beam body 1, the second beam body 2 and bridge pier 5,
Sliding rubber support 4 and shear pin 8 are provided on bridge pier 5, sliding rubber support 4 is connect with support 3；Shear pin 8 is set to branch
The side of seat 3, and the lower part of shear pin 8 is fixedly connected with bridge pier 5, shear pin 8 is used for the lateral stress of cushioning support-saddle and indulges
To stress；Support 5 is respectively erected with the first beam body 1 and the second beam body 2, is provided with and stretches between the first beam body 1 and the second beam body 2
Contracting seam vibration absorber 6, expansion joint vibration absorber 6 include pull rod 61, the first top sliding sleeve 62, the first loop bar spring 63, first set
Ring 64, the second top sliding sleeve 65, the second loop bar spring 66 and the second lantern ring 67,61 both ends of pull rod are respectively arranged with the first top
Sliding sleeve 61 and the second top sliding sleeve 67, and pull rod 61 sequentially passes through the first loop bar spring 62, the first lantern ring 63, the second lantern ring 64
And the second loop bar spring 65, the both ends of the first loop bar spring 62 are fixed with the first top sliding sleeve 61 and the first lantern ring 63 respectively
Connection, the both ends of the second loop bar spring 66 are fixedly connected with the second top sliding sleeve 67 and the second lantern ring 65 respectively.
First lantern ring 64 is fixedly connected with the first beam body 1, and is set to the lower part of the first beam body basal plane 11；Second lantern ring and
Two beam bodies are fixedly connected, and are set to the lower part of the second beam body basal plane 21, and pull rod carries out left along the first lantern ring and the second lantern ring
It moves right.
First top sliding sleeve 62 is fixedly connected with the first beam body 1, and pull rod 61 carries out left and right shifting along the first top sliding sleeve 62
Dynamic, the second top sliding sleeve 67 is fixedly connected with the second beam body 2, and pull rod 61 is moved left and right along the second top sliding sleeve 67.
First top sliding sleeve 62 and the second top sliding sleeve 67, the first loop bar spring 63 and the second loop bar spring 66, first set
Ring 64 is to be symmetrical set with the second lantern ring 65.
Preferably, dust cover 7 is provided between the first lantern ring 64 and the second lantern ring 65, and the dust cover 7 is that can draw
Dust cover is stretched, 7 sets of dust cover on pull rod, are used for dustproof and waterproof, impurity greasy dirt is avoided to enter in lantern ring, while reinforcing to pull rod
61 protection prevents 61 rust corrosion of pull rod.
Preferably, spring shield, spring shield packet are provided with around the first loop bar spring 63 and the second loop bar spring 66
The first spring shield and second spring cover are included, the first spring shield is connect with the first top sliding sleeve 62 and the first lantern ring 64 respectively,
Pull rod 61 in first loop bar spring 63 and the first loop bar spring is covered into protection, it is dust-proof；Second spring cover respectively with
Second top sliding sleeve 67 and the connection of the second lantern ring 65, the pull rod 61 in the second loop bar spring 66 and the second loop bar spring is hidden
Lid protection.
Preferably, the first top sliding sleeve 62 and the second top sliding sleeve 67 are hydraulic damper, i.e. the both ends difference of pull rod
Hydraulic damper is set, damping is used for.
The utility model carries out level side by the way that loop bar spring and lantern ring are arranged on pull rod, using spring and pull rod
To transfer decompose, be capable of the impact stress in buffer level direction, the utility model safety coefficient is high, can save a large amount of manpowers
Material resources reduce project cost, shorten the construction period, structure is simple, is able to extend the service life of bridge.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Illustrative description is carried out to the utility model patent above in conjunction with attached drawing, it is clear that the reality of the utility model patent
It is now not subject to the restrictions described above, as long as being carried out using the method concept and technical solution of the utility model patent various
Improve, or it is not improved the conception and technical scheme of the utility model patent are directly applied into other occasions, in this reality
With in novel protection scope.
Claims (4)
1. a kind of bridge expanssion joint damper mechanism, including the first beam body, the second beam body and bridge pier, set up respectively on the bridge pier
There are first beam body and the second beam body, which is characterized in that be provided with and stretch between first beam body and second beam body
Contracting seam vibration absorber, the expansion joint vibration absorber include pull rod, the first top sliding sleeve, the first loop bar spring, the first lantern ring, the
Two top sliding sleeves, the second loop bar spring and the second lantern ring, the pull rod both ends be respectively arranged with first top sliding sleeve with
And second top sliding sleeve, and the pull rod sequentially passes through the first loop bar spring, first lantern ring, second set described
Ring and the second loop bar spring, the both ends of the first loop bar spring respectively with first top sliding sleeve and described
One lantern ring is fixedly connected, and the both ends of the second loop bar spring are solid with second top sliding sleeve and second lantern ring respectively
Fixed connection.
2. bridge expanssion joint damper mechanism according to claim 1, which is characterized in that first lantern ring and described first
Beam body is fixedly connected, and second lantern ring is fixedly connected with second beam body, the pull rod along first lantern ring and
Second lantern ring is moved left and right.
3. bridge expanssion joint damper mechanism according to claim 1, which is characterized in that first top sliding sleeve with it is described
First beam body is fixedly connected, and the pull rod is moved left and right along first top sliding sleeve, second top sliding sleeve with
Second beam body is fixedly connected, and the pull rod is moved left and right along second top sliding sleeve.
4. bridge expanssion joint damper mechanism according to claim 1, which is characterized in that first top sliding sleeve with it is described
Second top sliding sleeve, the first loop bar spring and the second loop bar spring, first lantern ring and second lantern ring are equal
To be symmetrical set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082527.1U CN209555761U (en) | 2019-01-18 | 2019-01-18 | A kind of bridge expanssion joint damper mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082527.1U CN209555761U (en) | 2019-01-18 | 2019-01-18 | A kind of bridge expanssion joint damper mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209555761U true CN209555761U (en) | 2019-10-29 |
Family
ID=68308192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920082527.1U Active CN209555761U (en) | 2019-01-18 | 2019-01-18 | A kind of bridge expanssion joint damper mechanism |
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| Country | Link |
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| CN (1) | CN209555761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144374A (en) * | 2020-09-16 | 2020-12-29 | 同济大学 | Self-resetting ring spring inhaul cable buffering system, support and bridge |
| CN113622286A (en) * | 2021-07-20 | 2021-11-09 | 许尚 | Public road bridge roof beam buffering damping device |
-
2019
- 2019-01-18 CN CN201920082527.1U patent/CN209555761U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144374A (en) * | 2020-09-16 | 2020-12-29 | 同济大学 | Self-resetting ring spring inhaul cable buffering system, support and bridge |
| CN113622286A (en) * | 2021-07-20 | 2021-11-09 | 许尚 | Public road bridge roof beam buffering damping device |
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