CN109972505A - A kind of Highway Bridge Expansion Joint device - Google Patents
A kind of Highway Bridge Expansion Joint device Download PDFInfo
- Publication number
- CN109972505A CN109972505A CN201910359563.2A CN201910359563A CN109972505A CN 109972505 A CN109972505 A CN 109972505A CN 201910359563 A CN201910359563 A CN 201910359563A CN 109972505 A CN109972505 A CN 109972505A
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- China
- Prior art keywords
- steel plate
- link slot
- damping device
- expansion joint
- spring
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
Abstract
A kind of Highway Bridge Expansion Joint device, belongs to highway bridge construction technical field.The Highway Bridge Expansion Joint device, including the first steel plate and the second steel plate being oppositely arranged, first steel plate is equipped with the first groove, second steel plate is equipped with second groove opposite with the first groove, first groove is equipped with several the first top link slots and the first lower part link slot, second groove is equipped with several the second top link slots and the second lower part link slot, first top link slot is connected with corresponding second top link slot by the first damping device, first damping device is arranged right below the second damping device, the inclined direction of two adjacent the second damping devices is different, the top of first damping device is equipped with waterstop.The Highway Bridge Expansion Joint device, structure is simple, convenient to install and maintain, can effectively solve the problem that and jumps vehicle phenomenon, and overall structure stability is good, and impact is effectively relieved in the cooperative transformation of two steel plates, extends the service life at entire expansion joint, has good economy.
Description
Technical field
The present invention relates to highway bridge construction technical field, in particular to a kind of Highway Bridge Expansion Joint device.
Background technique
With the rapid development of China's economy, infrastructure construction has also reached unprecedented development, and highway in China bridge quantity is
Through innumerable, Highway Bridge Expansion Joint is the construction and device designed when building highway bridge, and main function is to make bridge
Structure is free to stretch under the factors such as temperature change.But current Highway Bridge Expansion Joint is mostly rubber steel plate structure,
Wherein field cast-in-place expansion joint is complicated for operation, wasting manpower and material resources, and ordinary rubber steel plate structure expansion joint is in reply vehicular impact
When, jump vehicle phenomenon is serious, causes a large amount of noises；And vehicular impact damages expansion joint, and then to the main body knot of bridge
It is configured to destroy, causes economic loss or even traffic safety.
Summary of the invention
Jump vehicle phenomenon, installation and maintenance operation are easy to produce again to solve Highway Bridge Expansion Joint existing in the prior art
It is miscellaneous, in face of the technical problems such as being easily damaged when the impact of vehicle, the present invention provides a kind of Highway Bridge Expansion Joint device, structures
Simply, convenient to install and maintain, it can effectively solve the problem that and jump vehicle phenomenon, overall structure stability is good, and the cooperative transformation of two steel plates has
Effect alleviates impact, extends the service life at entire expansion joint, has good economy.
To achieve the goals above, the technical scheme is that
A kind of Highway Bridge Expansion Joint device, including the first steel plate and the second steel plate being oppositely arranged, first steel plate
It is arranged along bridge deck width direction with the second steel plate, first steel plate is set close to a lateral edge bridge deck width direction of the second steel plate
There is the first groove, second steel plate is equipped with second groove opposite with the first groove close to the side of the first steel plate, and described the
The top of one groove is equipped with several the first top link slots along bridge deck width direction, and the top of second groove is equipped with several
The lower part of a the second top link slot corresponding with the first top link slot, first groove is equipped with several and the first top
The corresponding first lower part link slot of link slot, it is corresponding with the second top link slot that the lower part of second groove is equipped with several
Second lower part link slot；
First top link slot passes through horizontally disposed along bridge floor length direction with corresponding second top link slot
First damping device connects, and is equipped with the second damping device being obliquely installed, phase immediately below each first damping device
The inclined direction of two adjacent the second damping devices is different, and specific set-up mode is one in two adjacent the second damping devices
A second damping device one end is connect with first top link slot, and the other end is connect with second lower part link slot,
Another the second damping device one end is connect with second top link slot, and the other end and first lower part link slot connect
It connects；
The top of first damping device is equipped with waterstop, and the waterstop connects with the first steel plate and the second steel plate respectively
It connects.
The angle of second damping device and horizontal plane is 60 degree or 120 degree.
First damping device and the second damping device respectively include sleeve, connecting rod, the first spring and the second bullet
Spring, the both ends of the sleeve are respectively arranged with connecting rod, and one end of the connecting rod is inserted into sleeve, and the connecting rod is located at
One end in sleeve is equipped with block, and the connecting rod is located at one end outside sleeve equipped with connection ring, and first spring is set in
In connecting rod, and the first spring, between block and neighbouring sleeve ends, the second spring is arranged in sleeve, and the
Two springs are located between two blocks.
First spring and the stiffness factor of second spring are 800-1000N/m.
First top link slot, the second top link slot, the first lower part link slot and the second lower part link slot are divided equally
It not being made of two connecting plates, described two connecting plates are arranged in parallel, and the connection ring is inserted between described two connecting plates, and
It is connect with two connecting plates by pin.
First steel plate and the second steel plate are correspondingly provided with circular trough, and the circular trough is arranged along bridge deck width direction, institute
It states circular trough and is provided with cylindrical rubber item used in conjunction with, the waterstop is respectively set along the two sides in bridge deck width direction
In neighbouring circular trough, the cylindrical rubber item is pressed into circular trough for two side compressions of waterstop.
First steel plate is respectively equipped with far from the second steel plate side and the second steel plate far from the first steel plate side several
A annular anchor bar.
Beneficial effects of the present invention:
(1) the first horizontally arranged damping device is used to the displacement in bound level direction, when vehicle is at expansion joint
When side is braked, the displacement of horizontal direction can be generated to expansion joint, the first damping device gives full play to its effect at this time, prevents this
The generation of one displacement；Second damping device of inclined direction setting is used to constrain the displacement of vertical direction, and adjacent two second
The inclined direction of damping device is different, and the angle of the second damping device and horizontal plane is 60 degree or 120 degree, when wheel row to the
When one steel plate does not reach the second steel plate, the second damping device connecting with the first top link slot of the first steel plate is made full use of
Resistance to compression effect, while making full use of the drawing-resistant function for the second damping device connecting with the second top link slot of the second steel plate；
When wheel row does not reach the first steel plate to the second steel plate, connect with the first top link slot of the first steel plate is made full use of
The drawing-resistant function of two damping devices, while making full use of the second damping device connecting with the second top link slot of the second steel plate
Resistance to compression effect, the inclined direction difference of two adjacent the second damping devices each serves as tension and measuring body effect, makes vehicle
When sailing to expansion joint, the first steel plate and the second steel plate are in same plane substantially, make the collaboration of the first steel plate and the second steel plate
Effect is more preferable, efficiently avoids jumping vehicle phenomenon, cooperates with entire Highway Bridge Expansion Joint device work more, and then make entire
Bridge main body uniform force reduces the damage to bridge, increases the service life of bridge expanssion joint and bridge main body.
(2), when waterstop is connect with the first steel plate and the second steel plate, the two sides of waterstop are put into the first steel plate and second
In circular trough on steel plate, waterstop is extruded in circular trough by the cylindrical rubber item being used cooperatively with circular trough, makes to stop
The installation of water band is easy to operate, and replacement is convenient.
(3), the first damping device and the second damping device are provided simultaneously with tension and measuring body performance, play bidirectional damping
Effect, and any connection structure is no longer needed inside device, only by sleeve, connecting rod, the first spring and second spring
It is completed, structure is simple, easily assembled, at low cost.
Detailed description of the invention
Fig. 1 is the schematic top plan view of Highway Bridge Expansion Joint device provided by the invention；
Fig. 2 is the schematic elevation view of Highway Bridge Expansion Joint device provided by the invention；
Fig. 3 is the structural schematic diagram that the angle of the second damping device and horizontal plane provided by the invention is 60 degree；
Fig. 4 is the structural schematic diagram that the angle of the second damping device and horizontal plane provided by the invention is 120 degree；
Fig. 5 is the structural schematic diagram of the first damping device provided by the invention；
Fig. 6 is the schematic diagram that connection ring provided by the invention is connect with two connecting plates；
Fig. 7 is the schematic diagram that waterstop provided by the invention is connect with circular trough；
Fig. 8 is the structural schematic diagram of cylindrical rubber item provided by the invention.
Wherein, the first steel plate of 1-, the second steel plate of 2-, the first damping device of 3-, the second damping device of 4-, 5- connecting plate, 6-
Annular anchor bar, the first top 7- link slot, the second top 8- link slot, the first lower part 9- link slot, the second lower part 10- connect
Access slot, 11- waterstop, 12- cylindrical rubber item, 13- connection ring, 14- connecting rod, the first spring of 15-, 16- block, 17- sleeve,
18- second spring, 19- pin anticreep bolt, 20- pin, 21- circular trough, the first groove of 22-, the second groove of 23-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.?
In description of the invention, it should be noted that term " on ", "lower", "inner", "outside", both ends ", " one end ", " other end " etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifies
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.Term " first ", " second " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.Unless otherwise clearly defined and limited, term " installation ", " being provided with ", " connection " etc., are answered
It is interpreted broadly, such as " connection ", may be fixed connection or may be dismantle connection, or integral connection；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
Of the existing technology in order to solve the problems, such as, as shown in Figures 1 to 8, the present invention provides a kind of highway bridges to stretch
Contracting seam device.As illustrated in fig. 1 and 2, Highway Bridge Expansion Joint device includes the first steel plate 1 and the second steel plate 2 being oppositely arranged, the
One steel plate 1 and the second steel plate 2 are arranged along bridge deck width direction, a lateral edge bridge deck width of first steel plate 1 close to the second steel plate 2
Direction is equipped with the first groove 22, and the second steel plate 2 is equipped with second groove opposite with the first groove 22 close to the side of the first steel plate 1
23, the top of the first groove 22 is equipped with several the first top link slots 7 along bridge deck width direction, and the top of the second groove 23 is set
There are several second top link slots 8 corresponding with the first top link slot 7, the lower part of the first groove 22 is equipped with several and the
The lower part of one top link slot, 7 corresponding first lower part link slot 9, the second groove 23 is equipped with several and the second top link slot
8 corresponding second lower part link slots 10；First top link slot 7 is with corresponding second top link slot 8 by along bridge floor length
Horizontally disposed first damping device 3 in direction connects, and the underface of each first damping device 3 is equipped with second be obliquely installed
The inclined direction of damping device 4, two adjacent the second damping devices 4 is different, and as shown in Figures 3 and 4, specific set-up mode is phase
4 one end of the second damping device in two adjacent the second damping devices 4 is connect with the first top link slot 7, the other end
It is connect with the second lower part link slot 10, the angle of the second damping device 4 and horizontal plane is 120 degree, another second damping device 4
One end is connect with the second top link slot 8, and the other end is connect with the first lower part link slot 9, the second damping device 4 and horizontal plane
Angle be 60 degree；The top of first damping device 3 be equipped with waterstop 11, waterstop 11 respectively with the first steel plate 1 and the second steel
Plate 2 connects.
In the present invention, as shown in figure 5, the first damping device 3 includes sleeve 17, connecting rod 14, the first spring 15 and second
Spring 18, the both ends of sleeve 17 are respectively arranged with connecting rod 14, and one end of connecting rod 14 is inserted into sleeve 17, and connecting rod 14
It is equipped with block 16 in one end in sleeve 17, connecting rod 14 is located at one end outside sleeve 17 equipped with connection ring 13, the first spring 15
It is set in connecting rod 14, and the first spring 15 is located between block 16 and neighbouring 17 end of sleeve, second spring 18 is arranged
In sleeve 17, and second spring 18 is located between two blocks 16, and the stiffness factor of the first spring 15 and second spring 18 is equal
For 800-1000N/m；Second damping device 4 is identical as the structure of the first damping device 3, and only 3 level of the first damping device is set
It sets, the second damping device 4 is obliquely installed, and the second damping device 4 also includes including sleeve, connecting rod, the first spring and the second bullet
Spring, the both ends of sleeve are respectively arranged with connecting rod, and one end of connecting rod is inserted into sleeve, and connecting rod is located at one end in sleeve
Equipped with block, connecting rod is located at one end outside sleeve equipped with connection ring, and the first spring is set in connecting rod, and the first spring position
Between block and neighbouring sleeve ends, second spring is arranged in sleeve, and second spring is located between two blocks, the
One spring and the stiffness factor of second spring are 800-1000N/m.
In the present invention, the first top link slot 7, the second top link slot 8, the first lower part link slot 9 and the second lower part connect
Access slot 10 is made of two connecting plates 5 respectively, and two connecting plates 5 are arranged in parallel, as shown in fig. 6, connection ring 13 is inserted into two
Between connecting plate 5, and it is connect with two connecting plates 5 by pin 20.First steel plate 1 close to 2 side of the second steel plate top and
Second steel plate 2 is respectively equipped with circular trough 21 close to the top of 1 side of the first steel plate, and circular trough 21 is set along bridge deck width direction
It sets, circular trough 21 is provided with cylindrical rubber item 12 used in conjunction with, and waterstop 11 is distinguished along the two sides in bridge deck width direction
In the circular trough 21 being positioned adjacent to, cylindrical rubber item 12 is pressed into circular trough 21 for two side compressions of waterstop 11.Such as Fig. 1 and
Shown in 2, the first steel plate 1 is respectively equipped with several far from 1 side of the first steel plate far from 2 side of the second steel plate and the second steel plate 2
Annular anchor bar 6.
In the present embodiment, the first steel plate 1 as illustrated in fig. 1 and 2 and the second steel plate 2 are located at expansion joint two sides, the first groove 22
It is oppositely arranged in expansion joint with the second groove 23, and size shape is identical.Circular trough 21 and the first steel plate 1 and the second steel plate 2
Upper surface it is parallel, waterstop 11 passes through cylinder rubber with the first steel plate 1 and the second steel plate 2 respectively along the two sides in bridge deck width direction
Adhesive tape 12 connects, and in actual use, as shown in fig. 7, waterstop 11 is squeezed into circular trough 21 by cylindrical rubber item 12, makes
11 two sides of waterstop and corresponding cylindrical rubber item 12 are stayed in jointly in corresponding circular trough 21, and the opening of circular trough 21 is located at close
The side at expansion joint, the width of opening are less than the diameter of cylindrical rubber item 12.Subtract along bridge floor length direction horizontally disposed first
The displacement that device 3 is used to bound level direction is shaken, the second damping device 4 being obliquely installed is used to constrain the displacement of vertical direction.
Sleeve 17, connecting rod 14, connection ring 13 and block 16 are made of metal material, and block 16 is cylindrical, and the one of connecting rod 14
End is inserted in sleeve 17, and 16 diameter of block is slightly less than 17 inner diameter of sleeve, and the both ends of sleeve 17 are equipped with across connecting rod 14
Circular hole, the diameter of circular hole is greater than the diameter of connecting rod 14, and is less than the diameter of block 16, the first spring 15 and second spring 18
Outer peripheral diameter it is 0.5-1.5mm smaller than the internal diameter of sleeve 17.When first spring 15 does not work, both ends respectively with block 16 and set
The contact of 17 ends of cylinder, when second spring 18 does not work, both ends are contacted with two blocks 16 respectively.First steel plate 1 is far from second
2 side of steel plate and the second steel plate 2 are respectively equipped with several annular anchor bars 6 far from 1 side of the first steel plate, to main bridge
Be welded and fixed.First damping device 3 is identical with the structure of the second damping device 4, by sleeve 17, connecting rod 14, the first bullet
Spring 15 and second spring 18 form.
The installation method of one of present invention Highway Bridge Expansion Joint device:
Firstly, a connection ring 13 of the first damping device 3 is connect with the first top link slot 7 by pin 20, then
Another connection ring 13 of first damping device 3 is connect with the second top link slot 8 by pin 20, then the second damping is filled
The connection ring and the first lower part link slot 9 for setting 4 are connect by pin 20, then another of the second damping device 4 is connected
Ring is connect with the second top link slot 8 by pin 20；Next, being carried out along the length direction of the first steel plate 1 and the second steel plate 2
It assembles one by one, the connection type of next group of the first damping device 3 is same as described above, and when the second damping device 4 connects, second is subtracted
A connection ring and the first top link slot 7 for shaking device 4 pass through pin 20 and connect, then by the second damping device 4 another
Connection ring is connect with the second lower part link slot 10 by pin 20, so that the inclined direction of two adjacent the second damping devices 4
Difference efficiently avoids jumping vehicle phenomenon, cooperates with entire Highway Bridge Expansion Joint device work more, and then make entire bridge
Main body uniform force reduces the damage to bridge, increases the service life of bridge expanssion joint and bridge main body；By several groups first
After 4 assembled side-by-side of damping device 3 and the second damping device, 11 side of waterstop is squeezed using a cylindrical rubber item 12
Circular trough 21 on the first steel plate 1 recycles another cylindrical rubber item 12 that the other side of waterstop 11 is squeezed into second
Circular trough 21 on steel plate 2；Next, using transverse steel by the annular anchor bar 6 on fashioned iron and the anchor on bridge main body
Gu reinforcement welding；Finally, the installation of Highway Bridge Expansion Joint device is completed in cast-in-place concrete.
Highway Bridge Expansion Joint device follows first left and then right, first up and then down sequence when assembling, when pin 20 connects and pin
Anticreep bolt 19 is followed closely to cooperate.
Highway Bridge Expansion Joint apparatus structure in the present invention is simple, convenient to install and maintain, and overall structure stability is good,
Factory process installs and arrives site welding again, easy to operate, saves manpower and material resources, the collaboration of the first steel plate 1 and the second steel plate 2
Impact is effectively relieved in deformation, can effectively solve the problem that and jumps vehicle phenomenon, extends the service life at entire expansion joint, has good economy
Property, the damage to bridge is reduced, the service life of bridge expanssion joint and bridge main body is increased.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of Highway Bridge Expansion Joint device, which is characterized in that described including the first steel plate and the second steel plate being oppositely arranged
First steel plate and the second steel plate are arranged along bridge deck width direction, and first steel plate is wide close to a lateral edge bridge floor of the second steel plate
It spends direction and is equipped with the first groove, second steel plate is recessed equipped with second opposite with the first groove close to the side of the first steel plate
Slot, the top of first groove are equipped with several the first top link slots along bridge deck width direction, second groove it is upper
Portion is equipped with several the second top link slots corresponding with the first top link slot, and the lower part of first groove is equipped with several
The first lower part link slot corresponding with the first top link slot, the lower part of second groove are equipped with several and connect with the second top
The corresponding second lower part link slot of access slot；
First top link slot passes through with corresponding second top link slot along bridge floor length direction horizontally disposed first
Damping device connects, and is equipped with the second damping device being obliquely installed immediately below each first damping device, adjacent
The inclined direction of two the second damping devices is different, and specific set-up mode is one in two adjacent the second damping devices the
Two damping device one end are connect with first top link slot, and the other end is connect with second lower part link slot, another
A second damping device one end is connect with second top link slot, and the other end is connect with first lower part link slot；
The top of first damping device is equipped with waterstop, and the waterstop is connect with the first steel plate and the second steel plate respectively.
2. Highway Bridge Expansion Joint device according to claim 1, which is characterized in that second damping device and level
The angle in face is 60 degree or 120 degree.
3. Highway Bridge Expansion Joint device according to claim 1, which is characterized in that first damping device and second
Damping device respectively includes sleeve, connecting rod, the first spring and second spring, the both ends of the sleeve company of being respectively arranged with
One end of extension bar, the connecting rod is inserted into sleeve, and the connecting rod is located at one end in sleeve equipped with block, the connecting rod
One end outside sleeve is equipped with connection ring, and first spring is set in connecting rod, and the first spring is located at block and neighbour
Between close sleeve ends, the second spring is arranged in sleeve, and second spring is located between two blocks.
4. Highway Bridge Expansion Joint device according to claim 3, which is characterized in that first spring and second spring
Stiffness factor be 800-1000N/m.
5. Highway Bridge Expansion Joint device according to claim 3, which is characterized in that first top link slot,
Two top link slots, the first lower part link slot and the second lower part link slot are made of two connecting plates respectively, described two companies
Fishplate bar is arranged in parallel, and the connection ring is inserted between described two connecting plates, and is connect with two connecting plates by pin.
6. Highway Bridge Expansion Joint device according to claim 1, which is characterized in that first steel plate and the second steel plate
It is correspondingly provided with circular trough, the circular trough is arranged along bridge deck width direction, and the circular trough is provided with circle used in conjunction with
Column rubber strip, the waterstop are separately positioned in neighbouring circular trough along the two sides in bridge deck width direction, by the cylinder rubber
Adhesive tape is pressed into circular trough for two side compressions of waterstop.
7. Highway Bridge Expansion Joint device according to claim 1, which is characterized in that first steel plate is far from the second steel
Plate side and the second steel plate are respectively equipped with several annular anchor bars far from the first steel plate side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359563.2A CN109972505B (en) | 2019-04-30 | 2019-04-30 | Public road bridge roof beam expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359563.2A CN109972505B (en) | 2019-04-30 | 2019-04-30 | Public road bridge roof beam expansion joint device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109972505A true CN109972505A (en) | 2019-07-05 |
| CN109972505B CN109972505B (en) | 2021-08-31 |
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ID=67087345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910359563.2A Active CN109972505B (en) | 2019-04-30 | 2019-04-30 | Public road bridge roof beam expansion joint device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109972505B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112391944A (en) * | 2020-11-24 | 2021-02-23 | 中建四局第三建设有限公司 | Bridge expansion joint device |
| CN112982695A (en) * | 2021-03-01 | 2021-06-18 | 高胜 | Civil engineering expansion joint waterproof construction |
| CN113668411A (en) * | 2020-05-18 | 2021-11-19 | 杜春 | Highway expansion joint maintenance and reinforcement method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668411A (en) * | 2020-05-18 | 2021-11-19 | 杜春 | Highway expansion joint maintenance and reinforcement method |
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| CN112982695B (en) * | 2021-03-01 | 2023-03-28 | 成都环境工程建设有限公司 | Civil engineering expansion joint waterproof construction |
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| CN109972505B (en) | 2021-08-31 |
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