CN209493842U - A kind of bridge expansion joint installation - Google Patents
A kind of bridge expansion joint installation Download PDFInfo
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- CN209493842U CN209493842U CN201821896294.0U CN201821896294U CN209493842U CN 209493842 U CN209493842 U CN 209493842U CN 201821896294 U CN201821896294 U CN 201821896294U CN 209493842 U CN209493842 U CN 209493842U
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- pressing plate
- fixed
- lower platen
- expansion joint
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Abstract
A kind of bridge expansion joint installation, fixed broach plate and transverse joint plate including interlaced distribution, transverse joint plate outer end is set on support base, it is characterized in that being disposed with lower platen component and fixed bottom plate from top to bottom in the lower section of support base, lower platen component is flexibly connected with transverse joint plate, it is flexibly connected between lower platen component and fixed bottom plate by connecting column, lower platen component can be rotated around connecting column relative to fixed floor level.Utility model has the advantages that lower platen component and fixed bottom plate is arranged in the bridge expansion joint installation below the support base of transverse joint plate, since lower platen component is flexibly connected with transverse joint plate, it is flexibly connected between lower platen component and fixed bottom plate by connecting column, when bridge is by heavy duty, strong wind, ocean current, tide, earthquake effect, when horizontally rotating along pier generation, lower platen component, support base and transverse joint plate can be rotated around connecting column relative to fixed bottom plate level of synchronization, and fixed bottom plate will not generate interference to rotation, rotate very flexible.
Description
Technical field
The utility model relates to a kind of bridge expansion joint installations.
Background technique
In order to meet bridge beam body deformation needs, generally between two beam-ends of bridge, between beam-ends and abutment or
Bridge expansion joint installation is fitted in the articulated position of bridge.Currently, existing many bridge expansion joint installations are generally all same
When have length travel, longitudinal corner, lateral displacement three-dimensional deflection function, be able to satisfy most bridges and bridge expanssion joint filled
The requirement set, but some large bridges are in use by environment, temperature, heavy duty, strong wind, ocean current, tide, earthquake effect,
In addition to generating length travel, longitudinal corner and lateral displacement, level angle can be also generated.
Although also disclose in the prior art with length travel, lateral displacement, longitudinal corner and level angle bridge
Expansion gap device, still, the structure setting of level angle are not reasonable, and rotation axis and bolt are equipped in bridge fixed plate
Mounting hole, connection bolt upper end pass through bolt mounting holes and are mutually fixedly connected with transverse joint plate, when expansion gap device generates horizontal turn
When dynamic, connection bolt is driven to rotate synchronously around rotation axis when transverse joint plate rotates, since bridge fixed plate is fixed, thus bridge
Fixed plate can generate interference to the connection bolt of rotation, influence going on smoothly for level angle, will cause expansion joint when serious
The damage of device and beam body.If needed in order to avoid connection bolt of the bridge fixed plate to rotation generates interference using increase
The scheme in bolt mounting holes aperture, however, after mounting hole aperture increases longitudinal spacing just can not be carried out to connection bolt, and pacify
It is needed when dress using larger-size gasket, if the size of spring also needs phase in the case where connecting bolt lower end installation spring
It should increase, not only increase cost, but also install also less reliable.In conclusion needing to make existing bridge expansion joint installation
It is further improved.
Utility model content
Technical problem to be solved in the utility model be for above-mentioned state of the art, provide a kind of structure it is simple,
The flexible bridge expansion joint installation of level angle.
Technical solution adopted by the utility model to solve the above technical problems is as follows: the bridge expansion joint installation, including phase
The outer end of the fixed broach plate and transverse joint plate being mutually interspersed, the transverse joint plate is set on support base, it is characterised in that: described
The lower section of support base is disposed with lower platen component and fixed bottom plate, the lower platen component and the transverse joint plate from top to bottom
It is flexibly connected, is flexibly connected between the lower platen component and fixed bottom plate by connecting column, the lower platen component can be around
The connecting column is rotated relative to fixed floor level.
Lower platen component and transverse joint plate can be there are many connection structures, it is preferable that the lower platen component has longitudinal outer
The convex male part in the support base, the male part are connected by the first connection bolt with the transverse joint plate.
More reliable in order to connect lower platen component with transverse joint plate, the first connection bolt has two rows and along longitudinal direction
Arrangement.
Lower platen component can have a variety of structures, it is preferable that the lower platen component include lower-left pressing plate, bottom right pressing plate and
Lower bracket bottom plate below lower-left pressing plate, bottom right pressing plate, the bottom right pressing plate have the male part, first connection
The upper end of bolt is fixed on transverse joint plate, and the lower end of the first connection bolt is connected on the pressing plate of bottom right.
In order to provide buffering to the connection between transverse joint plate and bottom right pressing plate, the lower end of the first connection bolt passes through institute
It states bottom right pressing plate and is arranged with buffer spring, the upper end of the buffer spring and the bottom of bottom right pressing plate offset, buffer spring
The bottom that lower end connect bolt with first offsets.
Further preferably, be provided with strip-shaped hole in the male part of the bottom right pressing plate, the length direction of the strip-shaped hole with stretch
The transverse direction of contracting seam device is consistent, and the first connection bolt is threaded through in corresponding strip-shaped hole, also, the width of the strip-shaped hole
The outer diameter for connecting bolt with described first is spent to be adapted.
In order to make expansion gap device have the function of that lateral displacement, the lower-left pressing plate and bottom right pressing plate pass through the second company respectively
Connecting bolt is mutually fixed with lower bracket bottom plate, and dovetail fixed plate, the dovetail are equipped between the lower-left pressing plate and bottom right pressing plate
Fixed plate is distributed along bridge lateral and connects bolt by third to be connected to a fixed with the support base, the dovetail fixed plate
It lower-left pressing plate and bottom right pressing plate can be slid laterally relatively with support base.
Further preferably, cushioning support-saddle is provided between the lower bracket bottom plate and fixed bottom plate.
Further preferably, between the support base and lower-left pressing plate, between support base and bottom right pressing plate, the dovetail is fixed
Elastic buffer plate is equipped between plate and lower-left pressing plate and between dovetail fixed plate and bottom right pressing plate.
In order to make expansion joint shaft have longitudinal angle turning function, the support base includes support pressing plate, shaft and lower bracket,
The support pressing plate is placed on the top of lower bracket and is bolted fixation by the 4th connection, and the shaft is along bridge lateral
It is arranged between support pressing plate and lower bracket, the transverse joint plate is fixed in the shaft far from one end of fixed broach plate.
It is more reliable in order to connect support pressing plate with lower bracket, elastic cylindrical pin is installed on the lower bracket, institute
State elastic cylindrical pin it is longitudinally disposed and be connected to it is described 4th connection bolt bottom.
Compared with the prior art, the advantages of the utility model are: support base of the bridge expansion joint installation in transverse joint plate
Lower platen component and fixed bottom plate, since lower platen component is flexibly connected with transverse joint plate, lower platen component and fixation is arranged in lower section
It is flexibly connected between bottom plate by connecting column, when bridge is by heavy duty, strong wind, ocean current, tide, earthquake effect, along pier generation water
When flat turn is moved, lower platen component, support base and transverse joint plate can be rotated around connecting column relative to fixed bottom plate level of synchronization, and fixed
Bottom plate will not generate interference to rotation, rotate very flexible.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the structural schematic diagram of another angle of the utility model embodiment；
Fig. 4 is the top view of expansion gap device shown in Fig. 1；
Fig. 5 is the cross-sectional view under the use state of the utility model embodiment；
Fig. 6 is the enlarged diagram of part B in Fig. 5；
Fig. 7 is the view in transverse section of the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figures 1 to 7, the bridge expansion joint installation in the present embodiment includes the fixed broach plate of interlaced distribution
1 and transverse joint plate 2, the outer end of transverse joint plate 2 is set on support base, is disposed with pushing board group from top to bottom in the lower section of support base
Part and fixed bottom plate 9, lower platen component are flexibly connected with transverse joint plate 2, pass through connecting column between lower platen component and fixed bottom plate 9
10 are flexibly connected, and fixed bottom plate 9 is fixed in bridge beam body 20.When bridge is by heavy duty, strong wind, ocean current, tide, earthquake effect,
When horizontally rotating along pier generation, lower platen component can horizontally rotate around the relatively fixed bottom plate 9 of connecting column 10, stretch the bridge
Contracting seam device has the function of level angle.
Support base specifically includes support pressing plate 3, shaft 4 and lower bracket 5, and support pressing plate 3 is placed on the top of lower bracket 5 simultaneously
It is connected and fixed by the 4th connection bolt 14.In order to keep the 4th connection connection of bolt 14 more reliable, it is equipped on lower bracket 5
Elastic cylindrical pin 19, elastic cylindrical pin 19 is longitudinally disposed and is connected to the bottom of the 4th connection bolt 14.
Shaft 4 is arranged between support pressing plate 3 and lower bracket 5 along bridge lateral, and transverse joint plate 2 is far from fixed broach plate 1
One end be fixed in shaft 4.As a result, when bridge generates longitudinal corner because of heavy duty, since transverse joint plate 2 and shaft 4 are rigidity
Connection, transverse joint plate 2 are longitudinally rotated by shaft 4 using support pressing plate 3 and lower 5 centre bore of bracket as axis generation, and the bridge is stretched
Contracting seam device has longitudinal angle turning function.
Lower platen component includes lower-left pressing plate 6, bottom right pressing plate 7 and the lower bracket below lower-left pressing plate, bottom right pressing plate
Bottom plate 8, bottom right pressing plate 7 has longitudinal male part 71 for externally protruding out in support base, is provided with two rows of strip-shaped holes 72 in male part 71, two rows of
Longitudinal arrangement of the strip-shaped hole 72 along expansion gap device, and the lateral phase one of the length direction of strip-shaped hole 72 and expansion gap device
It causes.The first connection bolt 11 is equipped in each strip-shaped hole 72, correspondingly, the first connection bolt 11 also there are two rows.First connects
The upper end of connecting bolt 11 is fixed on transverse joint plate 2, and the lower end of the first connection bolt 11 is connected on bottom right pressing plate 7, specifically, the
The lower end of one connection bolt 11 passes through bottom right pressing plate 7 and is arranged with buffer spring 16, the upper end of buffer spring 16 and bottom right pressing plate 7
Bottom offset, the bottom that the lower end of buffer spring 16 connect bolt 11 with first offsets.
In addition, being arranged between lower bracket bottom plate 8 and fixed bottom plate 9 to keep expansion gap device level angle resistance smaller
There is cushioning support-saddle 17.
In the present embodiment, the outer diameter of the first connection bolt 11 is adapted with the width of strip-shaped hole 72, so that the first connection spiral shell
The transverse shifting of bolt 11 is restricted, and can only be vertically moved along strip-shaped hole 72.
The lateral displacement structure of the bridge expansion joint installation of the present embodiment is as follows:
Lower-left pressing plate 6 and bottom right pressing plate 7 are fixed by the second connection bolt 12 with lower 8 phase of bracket bottom plate respectively, in lower-left
Dovetail fixed plate 15 is equipped between pressing plate 6 and bottom right pressing plate 7, dovetail fixed plate 15 is distributed along bridge lateral and connects by third
Connecting bolt 13 is connected to a fixed with lower bracket 5, and dovetail fixed plate 15 and lower bracket 5 can 7 cross of opposite lower-left pressing plate 6 and bottom right pressing plate
To sliding.When lateral displacement, lower-left pressing plate 6 and bottom right pressing plate 7 are not moved, and transverse joint plate 2, first connects bolt 11 and dovetail is fixed
15 synchronous horizontal of plate is mobile, makes the first connection bolt 11 transverse shifting in the strip-shaped hole 72 of bottom right pressing plate 7.In addition, in order to make
Slide it is smooth, between lower bracket 5 and lower-left pressing plate 6, between lower bracket 5 and bottom right pressing plate 7, dovetail fixed plate 15 and lower-left pressing plate
Elastic buffer plate 18 is equipped between 6 and between dovetail fixed plate 15 and bottom right pressing plate 7.In the present embodiment, elastic buffer plate
18 generally use rubber slab.
The length travel structure of the bridge expansion joint installation is as follows: when bridge is because environment temperature and external force are along bridge driving side
To when length travel occurs, by the opposite longitudinal movement of transverse joint plate 2 and fixed broach plate 1, have the bridge expansion joint installation
There is length travel function.The structure is identical as existing expansion gap device, is not unfolded to describe herein.
Above description is merely a prefered embodiment of the utility model, it is noted that for those of ordinary skill in the art
For, under the premise of not departing from the principles of the present invention, a variety of remodeling or improvement can be carried out to the utility model, these are
It is considered as within the protection scope of the utility model.
Claims (10)
1. a kind of bridge expansion joint installation, fixed broach plate (1) and transverse joint plate (2) including interlaced distribution are described across seam
The outer end of plate (2) is set on support base, it is characterised in that: is disposed with lower platen from top to bottom in the lower section of the support base
Component is flexibly connected with fixed bottom plate (9), the lower platen component with the transverse joint plate (2), the lower platen component and fixation
It is flexibly connected between bottom plate (9) by connecting column (10), the lower platen component can be relatively fixed around the connecting column (10)
Bottom plate (9) horizontally rotates.
2. bridge expansion joint installation according to claim 1, it is characterised in that: the lower platen component has longitudinal evagination
In the male part of the support base, the male part is connected by the first connection bolt (11) with the transverse joint plate (2).
3. bridge expansion joint installation according to claim 2, it is characterised in that: first connection bolt (11) has two rows
And along longitudinal arrangement.
4. bridge expansion joint installation according to claim 2, it is characterised in that: the lower platen component includes lower-left pressing plate
(6), bottom right pressing plate (7) and the lower bracket bottom plate (8) below lower-left pressing plate, bottom right pressing plate, the bottom right pressing plate (7) have
The upper end of the male part, first connection bolt (11) is fixed on transverse joint plate (2), the lower end of the first connection bolt (11)
It is connected on bottom right pressing plate (7).
5. bridge expansion joint installation according to claim 4, it is characterised in that: the lower end of first connection bolt (11)
It across the bottom right pressing plate (7) and is arranged with buffer spring (16), upper end and bottom right pressing plate (7) of the buffer spring (16)
Bottom offsets, and the bottom that the lower end of buffer spring (16) connect bolt (11) with first offsets.
6. bridge expansion joint installation according to claim 4, it is characterised in that: in the male part of the bottom right pressing plate (7)
(71) it being provided with strip-shaped hole (72), the length direction of the strip-shaped hole (72) is consistent with the transverse direction of expansion gap device, and described first
Connection bolt (11) is threaded through in corresponding strip-shaped hole (72), also, the width of the strip-shaped hole (72) is connect with described first
The outer diameter of bolt (11) is adapted.
7. bridge expansion joint installation according to claim 4, it is characterised in that: the lower-left pressing plate (6) and bottom right pressing plate
(7) it is mutually fixed by the second connection bolt (12) with lower bracket bottom plate (8) respectively, in the lower-left pressing plate (6) and bottom right pressing plate
(7) dovetail fixed plate (15) are equipped between, the dovetail fixed plate (15), which is distributed along bridge lateral and passes through third, connects spiral shell
Bolt (13) is connected to a fixed with the support base, and the dovetail fixed plate (15) and support base can be opposite lower-left pressing plate (6) and right
Lower platen (7) slides laterally.
8. bridge expansion joint installation according to claim 4, it is characterised in that: the lower bracket bottom plate (8) and fixed bottom
Cushioning support-saddle (17) are provided between plate (9).
9. bridge expansion joint installation according to claim 7, it is characterised in that: the support base and lower-left pressing plate (6) it
Between, between support base and bottom right pressing plate (7), between the dovetail fixed plate (15) and lower-left pressing plate (6) and dovetail fixed plate
(15) it is equipped between bottom right pressing plate (7) elastic buffer plate (18).
10. according to claim 1 to bridge expansion joint installation described in any claim in 9, it is characterised in that: the support
Seat includes that support pressing plate (3), shaft (4) and lower bracket (5), the support pressing plate (3) are placed on the top of lower bracket (5) and lead to
It crosses the 4th connection bolt (14) to be connected and fixed, the shaft (4) is arranged along bridge lateral in support pressing plate (3) and lower bracket
(5) between, the transverse joint plate (2) is fixed in the shaft (4) far from the one end of fixed broach plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896294.0U CN209493842U (en) | 2018-11-16 | 2018-11-16 | A kind of bridge expansion joint installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896294.0U CN209493842U (en) | 2018-11-16 | 2018-11-16 | A kind of bridge expansion joint installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209493842U true CN209493842U (en) | 2019-10-15 |
Family
ID=68151519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821896294.0U Active CN209493842U (en) | 2018-11-16 | 2018-11-16 | A kind of bridge expansion joint installation |
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| Country | Link |
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| CN (1) | CN209493842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594469A (en) * | 2018-11-16 | 2019-04-09 | 宁波路宝科技实业集团有限公司 | A kind of bridge expansion joint installation |
| CN113096522A (en) * | 2019-12-23 | 2021-07-09 | 羊龄高 | A earthquake-resistant structure for architectural design |
-
2018
- 2018-11-16 CN CN201821896294.0U patent/CN209493842U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594469A (en) * | 2018-11-16 | 2019-04-09 | 宁波路宝科技实业集团有限公司 | A kind of bridge expansion joint installation |
| CN109594469B (en) * | 2018-11-16 | 2024-06-11 | 宁波路宝科技实业集团有限公司 | Bridge expansion joint device |
| CN113096522A (en) * | 2019-12-23 | 2021-07-09 | 羊龄高 | A earthquake-resistant structure for architectural design |
| CN113096522B (en) * | 2019-12-23 | 2023-02-28 | 羊龄高 | A earthquake-resistant structure for architectural design |
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