CN209211259U - A kind of bridge expanssion joint damping device - Google Patents
A kind of bridge expanssion joint damping device Download PDFInfo
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- CN209211259U CN209211259U CN201821550910.7U CN201821550910U CN209211259U CN 209211259 U CN209211259 U CN 209211259U CN 201821550910 U CN201821550910 U CN 201821550910U CN 209211259 U CN209211259 U CN 209211259U
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- frame
- upper support
- damping device
- center pad
- support frame
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Abstract
The utility model discloses a kind of bridge expanssion joint damping device, including lower bracing frame, upper support frame and top plate, the upper support frame is plugged at the top of the lower bracing frame, and the top plate is fixedly connected by bolt with the upper support frame；Buffer bent of the lower bracing frame by center pad and positioned at the center pad two sides forms, a U-type groove is collectively constituted at the top of the opposite sides of the buffer bent and the center pad, the buffer bent is provided with the contact block of fitting beam slab far from center pad side bottom end.Beneficial effect is: the utility model is readily transported and dismounts, and improves the stability of equipment installation；By installing top plate at the top of upper support frame, when vehicle rolls, by dispersing to pressure by pressure conduction to upper backup pad and lower supporting plate, damping effect and stability are improved；By welding for steel structure, simple process, accessory is few, and low manufacture cost is good in economic efficiency.
Description
Technical field
The utility model relates to bridge construction accessory technical fields, and in particular to a kind of bridge expanssion joint damping device.
Background technique
Expansion joint is, by the junction reserving gaps in building structure, to prevent building structure in building engineering construction
Under the effect of expanding with heat and contract with cold, the structure of crack or destruction is generated.It applies in bridge structure, expansion joint is reserved in adjacent beam slab
Between, it plays and safety accident occurs because expanding with heat and contract with cold between preventing beam slab, since expansion joint has certain width, passing through vehicle
When be also easy to produce vibration, and be easy when vehicle passes through that gap edge is caused to damage.Therefore, it needs that vehicle is arranged at gap and subtracts
Device is shaken, passes through the damage to expansion joint to reduce vehicle.
Applicants have discovered that at least there is following technical problem in the prior art: existing expansion joint damping device is being pressurized
Afterwards, damping is carried out typically only by spring and elastic slice, cost of manufacture is high, and cannot fit closely to beam slab end, surely
It is qualitative poor.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of bridge expanssion joint damping device, with
It solves existing expansion joint damping device in the prior art and carries out damping, system typically only by spring and elastic slice after compression
Make at high cost, and beam slab end cannot be fitted closely, the technical problems such as stability is poor.It is provided by the utility model all
Preferred technical solution is included and can be designed by assembled in more technical solutions, by the cooperation of upper lower bracing frame, can be distinguished
Two parts up and down in bridge expanssion joint are supported, and by improving equipment to shockproof processing is carried out above expansion joint
Stability, and reduce the technical effects such as production cost, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
A kind of bridge expanssion joint damping device provided by the utility model, including lower bracing frame, upper support frame and top plate, institute
It states upper support frame to be plugged at the top of the lower bracing frame, the top plate is fixedly connected by bolt with the upper support frame；
Buffer bent of the lower bracing frame by center pad and positioned at the center pad two sides forms, the phase of the buffer bent
To a U-type groove is collectively constituted at the top of two sides and the center pad, the buffer bent is arranged far from center pad side bottom end
There is the contact block of fitting beam slab；
The upper support frame by V-type frame and positioned at the V-type top of the trellis two sides two groups of locating pad board groups at the locating pad
Plate is welded and fixed with the V-type frame, and the fixing groove for the positioning backing plate that is engaged by clamping is formed on the beam slab；
Resilient cushion is fixedly installed at the top of the top plate.
Using a kind of above-mentioned bridge expanssion joint damping device, it is with the buffer bent opening direction by the lower bracing frame
Bottom is set to bridge expanssion joint bottom, and the positioning backing plate of the upper support frame is then set to the fixing groove on beam slab
It is interior, and by V-type frame bottom end be set to two groups described between buffer bent, the top plate is finally fixed on the positioning backing plate
On, after the top plate is pressurized, pressure conduction to positioning backing plate and V-type frame is subjected to first time buffering, then the V-type frame and institute
The opposite side contact for stating two groups of buffer bents, carries out second and buffers, thus by pressure dissipation.
Preferably, the V-type frame is plugged on inside the U-type groove, and V-type frame two sides and the two of the U-type groove
Side wall connects, and V-type frame bottom end does not connect with the U-type groove inner bottom surface.
Preferably, the positioning backing plate and V-type frame junction are provided with auxiliary support block.
Preferably, the contact block thickness is equal with the center mat thickness.
Preferably, the resilient cushion is made of one of rubber material and plastic material, and the resilient cushion top
Portion is arc-shaped.
Preferably, the resilient cushion is mounted by means of bolts at the top of the top plate.
Preferably, the positioning backing plate is fixedly connected by bolt with the beam slab.
Beneficial effect is: 1, the utility model is designed by the assembled of upper support frame, lower bracing frame and top plate, is convenient for
Transport and dismounting, and expansion joint upper and lower can be supported respectively by upper backup pad and lower bracing frame, improve equipment
The stability of installation；
2, by installing top plate at the top of upper support frame, when vehicle rolls, by by pressure conduction to upper backup pad and
Lower supporting plate disperses pressure, improves damping effect and stability；
3, by welding for steel structure, simple process, accessory is few, low manufacture cost, good in economic efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model lower bracing frame；
Fig. 3 is the structural schematic diagram of the utility model upper support frame.
The reference numerals are as follows:
1, lower bracing frame；101, center pad；102, buffer bent；103, contact block；2, upper support frame；201, V-type frame；
202, backing plate is positioned；3, top plate；301, resilient cushion；4, beam slab；401, fixing groove.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in referring to figures 1-3, the utility model provides a kind of bridge expanssion joint damping device, including lower bracing frame 1,
Upper support frame 2 and top plate 3, upper support frame 2 are plugged on 1 top of lower bracing frame, and top plate 3 connects by the way that bolt and upper support frame 2 are fixed
It connects；
Buffer bent 102 of the lower bracing frame 1 by center pad 101 and positioned at 101 two sides of center pad forms, buffer bent
A U-type groove is collectively constituted at the top of 102 opposite sides and center pad 101, buffer bent 102 is far from 101 side bottom end of center pad
It is provided with the contact block 103 of fitting beam slab 4；
Two group positioning backing plates 202 of the upper support frame 2 by V-type frame 201 and positioned at the 201 top two sides of V-type frame form, positioning
Backing plate 202 is welded and fixed with V-type frame 201, and the fixing groove 401 for the positioning backing plate 202 that is engaged by clamping is formed on beam slab 4；
Resilient cushion 301 is fixedly installed at the top of top plate 3.
As optional embodiment, V-type frame 201 is plugged on inside U-type groove, and the two of 201 two sides of V-type frame and U-type groove
Side wall connects, and 201 bottom end of V-type frame does not connect with U-type groove inner bottom surface, so set, passing through the patch of V-type frame 201 and U-type groove inner wall
It closes, top plate 3 pushes V-type frame 201 after being pressurized, and can carry out a degree of subtract by V-type frame 201 and the friction of U-type groove inner wall
Shake, to improve the damping effect of equipment；
Positioning backing plate 202 and 201 junction of V-type frame are provided with auxiliary support block, so set, positioning backing plate can be improved
202 tightness being connect with V-type frame 201；
103 thickness of contact block is equal with 101 thickness of center pad, so set, center pad 101 and contact hole bottom surface can be improved
The tightness contacted with expansion joint bottom surface；
Resilient cushion 301 is made of one of rubber material and plastic material, and is arc-shaped at the top of resilient cushion 301,
So set, can be buffered by arcuate structure to vehicle, and by the pressure uniform transmission of vehicle to top plate 3；
Resilient cushion 301 is mounted by means of bolts on 3 top of top plate, so set, the installation of resilient cushion 301 can be improved just
Prompt degree；
Positioning backing plate 202 is fixedly connected by bolt with beam slab 4, so set, positioning backing plate 202 and beam slab 4 can be improved
The convenience of connection.
Using the above structure, lower bracing frame 1 is set to bridge expanssion joint bottom using 102 opening direction of buffer bent the bottom of as
The positioning backing plate 202 of upper support frame 2 is then set in the fixing groove 401 on beam slab 4, and 201 bottom end of V-type frame is set by portion
It is placed between two groups of buffer bents 102, finally top plate 3 is fixed on positioning backing plate 202, after top plate 3 is pressurized, by pressure conduction
First time buffering is carried out to positioning backing plate 202 and V-type frame 201, then the opposite side of V-type frame 201 and two groups of buffer bents 102
Contact carries out second and buffers, thus by pressure dissipation；
It is designed by the assembled of upper support frame 2, lower bracing frame 1 and top plate 3, is readily transported and dismounts, and can pass through
Upper backup pad and lower bracing frame 1 are respectively supported expansion joint upper and lower, improve the stability of equipment installation；
By installing top plate 3 at the top of upper support frame 2, when vehicle rolls, by by pressure conduction to upper backup pad and
Lower supporting plate disperses pressure, improves damping effect and stability；
By welding for steel structure, simple process, accessory is few, and low manufacture cost is good in economic efficiency.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of bridge expanssion joint damping device, it is characterised in that: including lower bracing frame (1), upper support frame (2) and top plate (3),
The upper support frame (2) is plugged at the top of the lower bracing frame (1), and the top plate (3) passes through bolt and the upper support frame (2)
It is fixedly connected；
Buffer bent (102) of the lower bracing frame (1) by center pad (101) and positioned at center pad (101) two sides forms, institute
It states and collectively constitutes a U-type groove, the buffer bent at the top of the opposite sides and the center pad (101) of buffer bent (102)
(102) contact block (103) of fitting beam slab (4) is provided with far from the center pad (101) side bottom end；
Two group positioning backing plates (202) of the upper support frame (2) by V-type frame (201) and positioned at two sides at the top of the V-type frame (201)
Composition, the positioning backing plate (202) are welded and fixed with the V-type frame (201), form clamping engagement institute on the beam slab (4)
State the fixing groove (401) of positioning backing plate (202)；
Resilient cushion (301) are fixedly installed at the top of the top plate (3).
2. a kind of bridge expanssion joint damping device according to claim 1, it is characterised in that: the V-type frame (201) is plugged on
Inside the U-type groove, and V-type frame (201) two sides connect with the two sidewalls of the U-type groove, V-type frame (201) bottom end
Do not connect with the U-type groove inner bottom surface.
3. a kind of bridge expanssion joint damping device according to claim 2, it is characterised in that: the positioning backing plate (202) with
V-type frame (201) junction is provided with auxiliary support block.
4. a kind of bridge expanssion joint damping device according to claim 3, it is characterised in that: contact block (103) thickness
It is equal with the center pad (101) thickness.
5. a kind of bridge expanssion joint damping device according to claim 4, it is characterised in that: the resilient cushion (301) uses
One of rubber material and plastic material are made, and are arc-shaped at the top of the resilient cushion (301).
6. a kind of bridge expanssion joint damping device according to claim 5, it is characterised in that: the resilient cushion (301) passes through
Bolt is fixedly mounted at the top of the top plate (3).
7. a kind of bridge expanssion joint damping device according to claim 6, it is characterised in that: the positioning backing plate (202) is logical
Bolt is crossed to be fixedly connected with the beam slab (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550910.7U CN209211259U (en) | 2018-09-21 | 2018-09-21 | A kind of bridge expanssion joint damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550910.7U CN209211259U (en) | 2018-09-21 | 2018-09-21 | A kind of bridge expanssion joint damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209211259U true CN209211259U (en) | 2019-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821550910.7U Active CN209211259U (en) | 2018-09-21 | 2018-09-21 | A kind of bridge expanssion joint damping device |
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| Country | Link |
|---|---|
| CN (1) | CN209211259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006297A (en) * | 2021-03-08 | 2021-06-22 | 中建二局第三建筑工程有限公司 | Maintenance-free floor deformation load-bearing device and construction method thereof |
-
2018
- 2018-09-21 CN CN201821550910.7U patent/CN209211259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006297A (en) * | 2021-03-08 | 2021-06-22 | 中建二局第三建筑工程有限公司 | Maintenance-free floor deformation load-bearing device and construction method thereof |
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