CN207362687U - A kind of bridge expanssion joint - Google Patents
A kind of bridge expanssion joint Download PDFInfo
- Publication number
- CN207362687U CN207362687U CN201721416637.4U CN201721416637U CN207362687U CN 207362687 U CN207362687 U CN 207362687U CN 201721416637 U CN201721416637 U CN 201721416637U CN 207362687 U CN207362687 U CN 207362687U
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- China
- Prior art keywords
- steel plate
- bridge
- bridge expanssion
- expanssion joint
- side wall
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Abstract
The utility model discloses a kind of bridge expanssion joint, belong to bridge construction construction applications, aim to provide a kind of deformation displacement that can limit expansion joint, expansion joint is set to be not easy by the bridge expanssion joint that external force effect deformation is excessive and is damaged to bridge, it is characterized in that, a kind of bridge expanssion joint, including the steel plate one and steel plate two being arranged in parallel, mounting hole is equipped with the steel plate one, steel plate two, buffer bar is equipped with the mounting hole；Steel plate one and steel plate two are stretched out in the both ends of the buffer bar respectively, and the both ends of the buffer bar are equipped with limited block；The steel plate one side wall opposite with steel plate two is equipped with the receiving block of inner hollow, and the limited block is in receiving block.
Description
Technical field
It the utility model is related to a kind of bridge construction structure, more particularly to a kind of bridge expanssion joint.
Background technology
In bridge structure design, expansion joint, expansion joint are set usually between two beam-ends of bridge, between beam-ends and abutment
Combined by the concrete poured with bridge.Its effect is to be to adjust by vehicular load environmental characteristic and bridge construction material
Physical property caused by superstructure between displacement and connection.Expansion gap device is the important component of bridge structure, is stretched
The tectonic sieving of contracting seam is the size of deflection according to bridge and mobile load, can have it is numerous have letter, as long as can ensure bridge
Free Transform, and vehicle can normally be run at gap, while also to prevent the fouling products such as rubbish, soil from penetrating into
The situation of blocking is caused to occur.Preferable expansion gap device must is fulfilled between superstructure beam and beam between beam and abutment
All displacements.
Notification number is that the Chinese patent of CN105672126B discloses a kind of bridge expansion joint structure, including along bridge width
Direction and symmetrical expansion joint fixed area, one end will be sealed along a part of expansion joint fixed area in bridge length direction
The first steel plate, and will be along the second steel plate of another part expansion joint fixed area sealing in bridge length direction；Expansion joint is consolidated
Determine to pour the high molecular polymer for being bonded as one it with the first steel plate, the second steel plate in region；First steel plate it is another
First steel plate of the end positioned at side of second steel plate away from expansion joint fixed area and the end is equipped with the first steel plate along bridge
Length direction is divided into two-part stretching region；First steel plate can be slided along bridge length direction relative to the second steel plate.
Above-mentioned this bridge expansion joint structure, due to being not connected with position limiting structure on the first steel plate and the second steel plate, itself
Can be with random variation displacement.It can also increase when by the excessive caused deformation displacement of external force effect, and excessive flexible spacing meeting
A degree of destruction is caused to bridge, so as to reduce the engineering service life of bridge.
Utility model content
The purpose of this utility model is to provide a kind of bridge expanssion joint, has the deformation displacement that can limit expansion joint, makes
Expansion joint is not easy by the effect that external force effect deformation is excessive and is damaged to bridge.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of bridge expanssion joint, including the steel plate one and steel plate two being arranged in parallel, are equipped with the steel plate one, steel plate two
Mounting hole, is equipped with buffer bar in the mounting hole；
Steel plate one and steel plate two are stretched out in the both ends of the buffer bar respectively, and the both ends of the buffer bar are equipped with limited block, institute
The diameter for stating limited block is more than the diameter of mounting hole；
The steel plate one side wall opposite with steel plate two is equipped with the receiving block of inner hollow, and the limited block is positioned at receiving block
It is interior.
It is spacing on buffer bar when bridge force-bearing is to two side stretchings and excessive deformation by using above-mentioned technical proposal
Block can be contradicted due to the stretching of bridge with the side wall of steel plate one, steel plate two.Since buffering pole length is certain, which define bridge
The deformation displacement amount of beam, makes bridge be not easy to continue to two side stretchings so that the deformation spacing of bridge entirety be not easy it is excessive and right
Bridge damages.
Further, the diameter of the mounting hole is more than the diameter of buffer bar.
By using above-mentioned technical proposal, the diameter of mounting hole is more than the diameter of buffer bar, buffer bar is being installed
Relatively rotated in hole, so that buffer bar disclosure satisfy that bridge is longitudinal and transverse, erect the rotation in three directions, deformation is with stretching.
Further, the steel plate one is equipped with several with steel plate two, and the both ends side wall of the steel plate one and steel plate two is equal
Installing plate is fixedly installed, is bolted to connection between the installing plate described in arbitrary neighborhood.
By using above-mentioned technical proposal, when installation steel plate one is with steel plate two, between the connector of steel plate one and steel plate two
Connector between be connected by screw bolts, it is simpler when making construction and installation, quick, shorten the duration and need not suspend traffic
It can construct.
Further, the buffer bar is equipped with bradyseism spring, the both ends of the bradyseism spring respectively with steel plate one, steel plate
Two opposite side walls are fixedly connected.
By using above-mentioned technical proposal, when bridge force-bearing deforms, and building displacement occurs, bradyseism spring can produce relatively
The stretching answered or compression movement, so that the rigid displacement of buffer bar is changed into flexible displacement, play the role of damping, buffering, make
Whole bridge expansion joint structure has more preferable telescopicing performance.
Further, macromolecule joint filling layer is equipped between the steel plate one and steel plate two.
By using above-mentioned technical proposal, there is macromolecule joint filling layer anti-aging, weather-proof, resistance to ozone, resistance to greasy dirt, sealing to prevent
The advantages that water-based good, make bridge floor rainwater be not easy directly to penetrate between steel plate one and steel plate two, expansion joint is had longer engineering
Service life；Macromolecule joint filling layer can be also more convenient to its construction and maintenance with in-site pouring, later stage.
Further, the lower section of the macromolecule joint filling layer is equipped with neoprene packing bar, the neoprene packing bar
Contradicted with the side wall of steel plate one, steel plate two.
By using above-mentioned technical proposal, neoprene packing bar has good elastic deformation and water proof and dust proof performance, makes
Steel plate one and the bottom of steel plate two are not easy by rain erosion, and are organically combined with macromolecule joint filling layer, can partially absorb steel plate
Deformation vibration between one and steel plate two, while noise reduction can also be played the role of.
Further, the steel plate one, the bottom of steel plate two have been fixedly connected with anchor plate.
By using above-mentioned technical proposal, anchor plate and steel plate one, steel plate two are integrally formed, and add steel plate one and steel
The integral strength of itself of plate two, while in the casting process of expansion joint, additionally it is possible to increase steel plate one and steel plate two and roadbed material
Contact area so that the structure poured more stablize.
Further, on the anchor plate anchoring is equipped with the two side that steel plate one is located remotely from each other with steel plate two
Ring, the anchoring ring are fixedly connected with the side wall of steel plate one, steel plate two；
Embedded bar is equipped with the anchoring ring.
By using above-mentioned technical proposal, anchoring ring is connected as a single entity with anchor plate, and passes through anchoring ring and embedded bar
Cooperation, the first steel plate can be made more effectively to be combined as a whole with the second steel plate, enhance the anchoring journey of expanded joint structure
Degree.
Further, the steel plate one, the cross section of steel plate two are trapezoidal.
By using above-mentioned technical proposal, the section of steel plate one and steel plate two is trapezoidal can be increased and macromolecule joint filling layer
Between contact area, it is more firm when making steel plate one, steel plate two with macromolecule joint filling formable layer.
Further, the opposite side wall of the steel plate one, steel plate two has been fixedly connected with anchor rod.
By using above-mentioned technical proposal, anchor rod can increase between steel plate one, steel plate two and macromolecule joint filling layer
Contact area, further increases the shaping firmness between steel plate one, steel plate two and macromolecule joint filling layer three, so as to carry
High integrally-built stability.
In conclusion the utility model has the advantages that：
1. by buffer bar, limited block, the setting for accommodating block and bradyseism spring, the dilatation displacement of bridge can be limited
Amount, makes bridge be not easy to be damaged because deformation spacing is excessive, while can also play the role of damping, buffering；
2. by the setting of installing plate, do not interrupted when steel plate one is constructed with steel plate two by vehicular traffic, it is workable,
Shorten construction period；
3. by the setting of anchor plate, anchoring ring and embedded bar, there is steel plate one and steel plate two more firm
Anchoring strength.
Brief description of the drawings
Fig. 1 is originally the overall structure diagram for being used to embody bridge expanssion joint in the present embodiment；
Fig. 2 is originally the structure diagram for being used to embody in embodiment inside bridge expanssion joint and accommodating inside block；
Fig. 3 is A portions enlarged drawing in Fig. 2.
In figure, 1, steel plate one；11st, mounting hole；12nd, block is accommodated；13rd, installing plate；14th, anchor plate；141st, anchoring ring；2、
Steel plate two；3rd, buffer bar；31st, limited block；32nd, bradyseism spring；4th, bolt；5th, macromolecule joint filling layer；51st, neoprene packing
Bar；52nd, anchor rod；6th, embedded bar.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
A kind of bridge expanssion joint, as shown in Figure 1, including steel plate 1 and steel plate 22, steel plate 1 is parallel with steel plate 22 to be set
Put, the cross section of steel plate 1 and steel plate 22 is trapezoidal, is interconnected between steel plate 1 and steel plate 22 by 5 phase of macromolecule joint filling layer
Connect.Macromolecule joint filling layer 5 has the advantages that anti-aging, weather-proof, resistance to ozone, resistance to greasy dirt, sealing good waterproof performance, makes rainwater be not easy to ooze
Enter in macromolecule joint filling layer 5 and erosion is produced to steel plate 1 and steel plate 22, so as to extend integrally-built engineering service life.
As shown in Figure 1, it is equipped with neoprene packing bar 51, neoprene packing bar 51 in the lower section of macromolecule joint filling layer 5
It is inconsistent with the side wall of steel plate 1, steel plate 22 at the same time.Neoprene packing bar 51 itself has stronger elasticity, can absorb
Deformation vibration between part steel plate 1 and steel plate 22, while vehicle can also be absorbed and pass through caused noise, play noise reduction
Effect.
As shown in Fig. 2, it is vertically and fixedly provided with some anchor rods 52 on the opposite side wall of steel plate 1, steel plate 22.Anchoring
Bar 52 can make steel plate 1, steel plate 22 and macromolecule joint filling layer 5（Referring to Fig. 1）Between contact area increase, so as to increase
Shaping firmness between steel plate 1, steel plate 22 and macromolecule joint filling layer 5 three, improves integrally-built stabilization
Property.
As shown in Fig. 2, pass through mounting hole 11 on steel plate 1, steel plate 22（Referring to Fig. 3）Buffer bar 3 is equipped with, is installed
The diameter in hole 11 is more than the diameter of buffer bar 3；The appearance of inner hollow is equipped with the side wall opposite with steel plate 22 of steel plate 1 at the same time
Receive block 12, the both ends of buffer bar 3, which all extend to, to be accommodated in block 12.The spacing of cylinder is fixedly connected with the both ends of buffer bar 3
Block 31, the diameter of limited block 31 are more than the diameter of mounting hole 11.
As shown in Fig. 2, bradyseism spring 32 is arranged between steel plate 1 and steel plate 22 on buffer bar 3, bradyseism bullet
Side wall of the both ends of spring 32 respectively with steel plate 1, steel plate 22 is fixedly connected.When bradyseism spring 32 is stretched to its elastic deformation model
When enclosing interior maximum length, limited block 31 is contradicted with the side wall of steel plate 1, steel plate 22 respectively.
As shown in Figure 1, the both ends side wall in steel plate 1 and steel plate 22 is equipped with installing plate 13.In bridge construction, steel
Plate 1 is put successively respectively with steel plate 22, and adjacent mounting plate 13 is fixedly connected by bolt 4 to be made between steel plate 1 and steel plate
Formed between 22 continuous overall.
As shown in Figure 1, it is welded with anchor plate 14, anchor plate 14 and steel plate in the bottom of steel plate 1 and steel plate 22
One 1, steel plate 22 is integrally formed, and can increase contact area of the steel plate 1 with steel plate 22 when pouring with flexible roadbed material,
So that overall structure is more stablized.
As shown in Figure 1, anchoring ring 141, anchoring ring have been fixedly connected with it in the side wall opposite with steel plate 22 of steel plate 1
141 also fix with anchor plate 14 at the same time, and embedded bar 6 is equipped with anchoring ring 141.
Specific implementation process：Steel plate 1 and steel plate 22 are placed in laying work area successively, by adjacent steel plate 1 with
Steel plate 1 splices on the same line and is fixed by bolt 4, while also completes to spell at the same time between adjacent steel plate 22
Connect.Neoprene packing bar 51 is put between steel plate 1 and steel plate 22, Reperfu- sion macromolecule joint filling layer 5.After the completion of perfusion,
Embedded bar 6 is threaded through in anchoring ring 141, whole laying work area is filled up using flexible roadbed material and is flushed with bridge floor,
The space moved freely for anchoring ring 141 and embedded bar 6 is left when pouring.When bridge force-bearing deformation is subjected to displacement, by
In the setting of buffer bar 3 and limited block 31, bradyseism spring 32 can only be stretched or compressed in the length range of buffer bar 3,
Define the deformation displacement amount of bridge.When moderate finite deformation displacement occurs for bridge, limited block 31 and the steel plate one at 3 both ends of buffer bar
1st, steel plate 22 contradicts, and bridge is not easy to continue to two side stretchings so that the deformation spacing of bridge entirety be not easy it is excessive and to bridge
Damage；The diameter of mounting hole 11 is more than buffer bar 3 at the same time, and buffer bar 3 is in mounting hole 11 when the bridge force-bearing is deformed
Inside it is freely rotated, so that bradyseism spring 32 can follow the deformation direction of bridge and do corresponding stretching or compression movement, makes
Buffering effect is more excellent.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Claims (10)
1. a kind of bridge expanssion joint, it is characterized in that：Including the steel plate one (1) and steel plate two (2) being arranged in parallel, the steel plate one
(1), mounting hole (11) is equipped with steel plate two (2), buffer bar (3) is equipped with the mounting hole (11)；
Steel plate one (1) and steel plate two (2) are stretched out in the both ends of the buffer bar (3) respectively, and the both ends of the buffer bar (3) are equipped with limit
Position block (31), the diameter of the limited block (31) are more than the diameter of mounting hole (11)；
The steel plate one (1) side wall opposite with steel plate two (2) is equipped with the receiving block (12) of inner hollow, the limited block (31)
It is interior positioned at block (12) is accommodated.
2. a kind of bridge expanssion joint according to claim 1, it is characterized in that：The diameter of the mounting hole (11) is more than buffering
The diameter of bar (3).
3. a kind of bridge expanssion joint according to claim 2, it is characterized in that：The steel plate one (1) is equipped with steel plate two (2)
Several, the both ends side wall of the steel plate one (1) and steel plate two (2) is fixedly installed installing plate (13), described in arbitrary neighborhood
Installing plate (13) between be fixedly connected by bolt (4).
4. a kind of bridge expanssion joint according to claim 1, it is characterized in that：The buffer bar (3) is equipped with bradyseism spring
(32), the side wall opposite with steel plate one (1), steel plate two (2) is fixedly connected respectively at the both ends of the bradyseism spring (32).
5. a kind of bridge expanssion joint according to claim 1, it is characterized in that：Between the steel plate one (1) and steel plate two (2)
Equipped with macromolecule joint filling layer (5).
6. a kind of bridge expanssion joint according to claim 5, it is characterized in that：Set below the macromolecule joint filling layer (5)
There is neoprene packing bar (51), the neoprene packing bar (51) and the side wall of steel plate one (1), steel plate two (2) contradict.
7. a kind of bridge expanssion joint according to claim 1, it is characterized in that：The steel plate one (1), the bottom of steel plate two (2)
Portion has been fixedly connected with anchor plate (14).
8. a kind of bridge expanssion joint according to claim 7, it is characterized in that：It is located at steel plate one on the anchor plate (14)
(1) it is equipped with anchoring ring (141) at the two side being located remotely from each other with steel plate two (2), the anchoring ring (141) and steel plate one (1),
The side wall of steel plate two (2) is fixedly connected；
Embedded bar (6) is equipped with the anchoring ring (141).
9. a kind of bridge expanssion joint according to claim 7, it is characterized in that：The steel plate one (1), the horizontal stroke of steel plate two (2)
Section is trapezoidal.
10. a kind of bridge expanssion joint according to claim 5, it is characterized in that：The steel plate one (1), steel plate two (2) are opposite
Side wall be fixedly connected with anchor rod (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416637.4U CN207362687U (en) | 2017-10-27 | 2017-10-27 | A kind of bridge expanssion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416637.4U CN207362687U (en) | 2017-10-27 | 2017-10-27 | A kind of bridge expanssion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207362687U true CN207362687U (en) | 2018-05-15 |
Family
ID=62345299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416637.4U Expired - Fee Related CN207362687U (en) | 2017-10-27 | 2017-10-27 | A kind of bridge expanssion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207362687U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130507A (en) * | 2019-04-10 | 2019-08-16 | 浙江省二建建设集团有限公司 | For controlling the device of the expansion joint width of overlength dry concrete wall |
| CN110219237A (en) * | 2019-07-23 | 2019-09-10 | 张国学 | A kind of novel bridge expansion joint adaptive mechanism |
| CN112853964A (en) * | 2021-03-24 | 2021-05-28 | 河北榆构建材有限公司 | Joint component of prefabricated bridge panel |
| CN113235417A (en) * | 2021-06-17 | 2021-08-10 | 李涛 | Comb-tooth type bridge expansion device |
-
2017
- 2017-10-27 CN CN201721416637.4U patent/CN207362687U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130507A (en) * | 2019-04-10 | 2019-08-16 | 浙江省二建建设集团有限公司 | For controlling the device of the expansion joint width of overlength dry concrete wall |
| CN110130507B (en) * | 2019-04-10 | 2024-03-22 | 浙江省二建建设集团有限公司 | Device for controlling width of expansion joint of ultra-long clear water concrete wall |
| CN110219237A (en) * | 2019-07-23 | 2019-09-10 | 张国学 | A kind of novel bridge expansion joint adaptive mechanism |
| CN112853964A (en) * | 2021-03-24 | 2021-05-28 | 河北榆构建材有限公司 | Joint component of prefabricated bridge panel |
| CN113235417A (en) * | 2021-06-17 | 2021-08-10 | 李涛 | Comb-tooth type bridge expansion device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20201027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |