CN207376454U - FE type bridge expanssion joints - Google Patents
FE type bridge expanssion joints Download PDFInfo
- Publication number
- CN207376454U CN207376454U CN201721406309.6U CN201721406309U CN207376454U CN 207376454 U CN207376454 U CN 207376454U CN 201721406309 U CN201721406309 U CN 201721406309U CN 207376454 U CN207376454 U CN 207376454U
- Authority
- CN
- China
- Prior art keywords
- side bar
- steel side
- extensible member
- bridge expanssion
- beam body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of FE types bridge expanssion joints, are characterized in that：Steel side bar is symmetrically fixed in two beam body, the steel side bar opposite face bottom is equipped with the first pedestal, elastic adhesive tape is connected between first pedestal, extensible member is equipped between the opposite steel side bar, the extensible member is in the shape of the letter V, connection anti-seismic spring below the extensible member, the steel side bar includes being embedded in the in vivo anchor pole of beam, the anchor pole connects split bolt, crash roll is equipped at the top of the split bolt through bolt hole is offered between the anchor pole and beam body.Structural strength between expansion joint is improved by the extensible member and ribs of V-shaped, passes through the realizations such as anti-seismic spring, elastic adhesive tape buffering and damping effect.
Description
Technical field
The utility model is related to the expansion gap device between a kind of beam body beam body, more particularly to a kind of FE types bridge stretches
Seam.
Background technology
In order to meet beam body beam body deformation needs, generally between two beam-ends of beam body, between beam-ends and abutment or
Beam body expansion gap device is fitted in the articulated position of beam body.For prevent building member due to climate temperature variation (heat expansion,
Shrinkage), structure is made to generate crack or destruction and is set along building or the suitable position in structures construction joint direction one
Build joint makes building that can do horizontal extension along its length.
The Chinese patent of Publication No. CN201722605U discloses that the utility model discloses a kind of FE types bridges to stretch
Seam, it is made of deformed steel, anchor bar and waterstop, and the section of above-mentioned deformed steel is for " F " type or " E " type, top surface
Rough surface, the connected waterstop in two deformed steels centre are upper and lower two layers.Using double waterstops, when a waterstop damage above
Afterwards, a waterstop can continue sealing effect below.
Above-mentioned utility model is simple in structure, has preferable water-stagnating effect, but lacks vibration abatement between expansion joint, expansion joint
Between structural strength it is weak, beam body resonate with vehicle or vehicle on the top jolt traveling when, shock-absorbing is poor.
Utility model content
The purpose of this utility model is to provide a kind of FE types bridge expanssion joint, has stable structure, good excellent of anti seismic efficiency
Point.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of FE types bridge stretches
Seam, including adjacent two beam body, the expansion joint between two beam bodies on bridge, steel side bar, institute are symmetrically fixed in two beam body
Steel side bar opposite face bottom is stated equipped with the first pedestal, connects elastic adhesive tape between first pedestal, between the opposite steel side bar
Equipped with extensible member, the extensible member is in the shape of the letter V, and the steel side bar includes being embedded in the in vivo anchor pole of beam, and the anchor pole, which runs through, to be opened
Equipped with bolt hole, split bolt is connected between the anchor pole and beam body, crash roll is equipped at the top of the split bolt.
By using above-mentioned technical proposal, the extensible member set between steel side bar has retractility, strengthens tying between expansion joint
While structure, do not influence that it is flexible, and play a protective role to structures such as the waterstops in extensible member, steel side bar side it is parallel
The split bolt added with the anchor pole of beam body enhances the attachment force of steel side bar and beam body, improves steel side bar and bears concrete
Lateral pressure and other loads, improve the stability of structure, the expansion joint that crash roll driving vehicle above beam body is brought is shaken
To cushioning effect, elastic adhesive tape connects the bottom of two opposite steel side bars, and ruggedized construction while is shaken with certain absorption
Ability, elastic adhesive tape is relatively fixed with the first pedestal, can be replaced in expansion joint elastic adhesive tape aging, avoids replacing and entirely stretch
Contracting seam.
Preferably, the extensible member includes the first stainless steel plate being fixedly connected on steel side bar, described first is stainless
Steel plate is rotatablely connected the second stainless steel plate, is rotatablely connected between second stainless steel plate.
By using above-mentioned technical proposal, extensible member is the first stainless steel plate and the second stainless steel plate with hardness, the
One stainless steel plate and the second stainless steel plate are rotatablely connected, and when expansion joint is stretched, V-arrangement extensible member is compressed at rotation, and extensible member is not
The effect of only ruggedized construction more prevents the sundries in beam body from dropping between expansion joint, achieves the effect of optimization structure.
Preferably, the extensible member is equipped with two groups along expansion joint width direction.
By using above-mentioned technical proposal, to prevent the folding of the extensible member of V-arrangement in wider expansion joint excessive, equipped with two groups
Extensible member can reduce the folding degree of extensible member, meet the expansion joint of different in width.
Preferably, two groups of extensible members are equipped with the 3rd stainless steel plate for connection, the steel side bar is connected with tiltedly
The anti-seismic spring set up, the anti-seismic spring end connect the 3rd stainless steel plate.
It is angularly disposed when thering is vehicle to pass through above expansion joint or when generating vibration by using above-mentioned technical proposal
Anti-seismic spring can absorb active force both vertically as well as horizontally, plays buffering and the effect of damping, and anti-seismic spring to the 3rd not
Rust steel plate plays the role of support so that extensible member keeps horizontality substantially.
Preferably, polymer membranes is bonded between the steel side bar.
By using above-mentioned technical proposal, polymer membranes has preferably elasticity and water proofing property, in expansion joint
The waterproofing protection in portion is more preferable, and polymer membranes has certain flexibility and elasticity, both sides steel side when being suitble to flexible joint working
The stability of holding structure when beam is subjected to displacement.
Preferably, bonding back-fire relief band between the steel side bar, the back-fire relief band is made of two layers of liner plate, is set in the liner plate
There is aluminosilicate refractory fiber felt.
By using above-mentioned technical proposal, polymer membranes is equipped with back-fire relief band parallel with it, and back-fire relief band can prevent
Fire is to the infringement inside expansion joint, and fire protection flame retarding is imitated while the combination of the aluminosilicate refractory fiber felt between liner plate improves intensity
Fruit is good, reduces the work of post-disaster reconstruction, achieves the effect of optimization structure.
Preferably, filling heat preservation gasket material between the back-fire relief band and polymer membranes.
By using above-mentioned technical proposal, the heat preservation gasket material forms guarantor between back-fire relief band and polymer membranes
Temperate zone prevents from obtaining the effect of heat preservation with extraneous excessive temperature differentials and the cold-heat bridge phenomenon that generates at the expansion joint of beam body.
Preferably, it is provided with to block the aluminium alloy cover board at expansion joint, the steel side bar phase above the extensible member
Opposite recess is equipped with the sliding slot for the fitting sliding of aluminium alloy cover board.
By using above-mentioned technical proposal, aluminium alloy cover board improves the top at expansion joint with being substantially flush at the top of beam body
The stability of structure, vehicle can steadily cross expansion joint, and sliding slot causes aluminium alloy cover board, to be relatively fixed, not influenced with sliding slot
Expansion joint is stretched, and aluminium alloy cover board covers expansion joint top, prevents the stone on bridge floor or sundries entrance from stretching
Seam obtains the effect of optimization structure.
Preferably, ribs is equipped in the steel side bar.
By using above-mentioned technical proposal, the ribs improves the structural strength of steel side bar.
In conclusion the utility model has the advantages that：
1st, by the structural strength between extensible member and ribs the raising expansion joint of V-shaped, anti-seismic spring, elastic gum are passed through
The realizations such as item buffering and damping effect.
2nd, cause expansion joint that there is waterproof, fire prevention, heat preservation using polymer membranes, back-fire relief band, heat preservation gasket material
Characteristic.
Description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment;
Fig. 2 is the enlarged drawing at A in Fig. 1.
Reference numeral：1st, beam body；2nd, expansion joint；3rd, steel side bar；31st, the first pedestal；32nd, elastic adhesive tape；4th, extensible member；
41st, the first stainless steel plate；42nd, the second stainless steel plate；43rd, the 3rd stainless steel plate；44th, anti-seismic spring；33rd, anchor pole；331st, bolt
Hole；332nd, split bolt；333rd, crash roll；34th, polymer membranes；35th, back-fire relief band；351st, liner plate；352nd, alumina silicate is resistance to
Fiery fibrofelt；36th, gasket material is kept the temperature；37th, aluminium alloy cover board；38th, sliding slot；39th, ribs.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：A kind of FE types bridge expanssion joint, as shown in Figure 1, including adjacent two beam body 1 on bridge, positioned at two beam bodies 1
Between expansion joint 2, steel side bar 3 is symmetrically fixed in two beam bodies 1, steel side bar 3 is in F shapes, is equipped in steel side bar 3 and improves steel side bar 3
The ribs 39 of structural strength.Steel side bar 3 includes the anchor pole 33 being embedded in beam body 1, if anchor pole 33, which runs through, offers bolt stem
Hole 331（With reference to figure 2）, split bolt 332 is connected between anchor pole 33 and beam body 1, the attachment force of steel side bar 3 and beam body 1 is enhanced, carries
High steel side bar 3 bears coagulation earth lateral pressure and other loads, improves the stability of structure.Two top parts of split bolt 332
Not She You crash roll 333, the driving vehicle above beam body 1 of crash roll 333 brings vibrations to play cushioning effect.
As shown in Figure 1,3 opposite face bottom of steel side bar is equipped with the first pedestal 31, elastic adhesive tape is connected between two first pedestals 31
32, elastic adhesive tape 32 is embedded in the first pedestal 31, and fills the first pedestal 31 with gap-filling glue, is realized to elastic adhesive tape 32 and first
The fixation of pedestal 31.Elastic adhesive tape 32 connects the bottom of two opposite steel side bars 3, with certain absorption while ruggedized construction
The ability of vibrations, elastic adhesive tape 32 are relatively fixed with the first pedestal 31, can be replaced, be kept away in 2 32 aging of elastic adhesive tape of expansion joint
Exempt to realize entire steel side bar 3 and replace.
As shown in Figure 1, the back-fire relief band 35 above elastic adhesive tape 32, back-fire relief band 35 are bonded between two opposite steel side bars 3
It can prevent that back-fire relief band 35 is made of fire two layers of liner plate 351 to the infringement inside expansion joint 2, it is resistance to that alumina silicate is equipped in liner plate 351
Fiery fibrofelt 352.Fireproof flame-retardant effect is good while liner plate 351 and the combination of aluminosilicate refractory fiber felt 352 improve intensity, and
Make 2, expansion joint structure more stable.
As shown in Figure 1, the polymer membranes 34 above back-fire relief band 35 is bonded between two opposite steel side bars 3.
The professional water proofing property of polymer membranes 34, more preferable to the waterproofing protection inside expansion joint 2, polymer membranes 34 has
Certain flexibility and elasticity, the stability of holding structure when both sides steel side bar 3 is subjected to displacement when suitable expansion joint 2 works.
As shown in Figure 1, filling heat preservation gasket material 36 between back-fire relief band 35 and polymer membranes 34.Keep the temperature gasket material
36 be cystosepiment and foam block etc., and light quality will not cause excessively to bear to beam body 1, and heat preservation gasket material 36 is in back-fire relief band 35
Form insulation belt between polymer membranes 34, prevent at the expansion joint 2 of beam body 1 with extraneous excessive temperature differentials and generate cold
Heat bridge phenomenon, and the materials such as cystosepiment, foam block have certain damping capaicty, improve damping effect.
As shown in Figure 1, being equipped with extensible member 4 between two opposite steel side bars 3, extensible member 4 is in the shape of the letter V, and extensible member 4 includes fixing
The first stainless steel plate 41 being connected on 3 opposite face of steel side bar, the first stainless steel plate 41 the second stainless steel plate 42 of rotation connection, two
It is rotatablely connected between second stainless steel plate 42, two second stainless steel plates 42 are in the shape of the letter V, the V-arrangement extensible member 4 when expansion joint 2 is stretched
With at rotation compress, two second stainless steel plates 42 close to or separation.Extensible member 4, which not only plays the role of ruggedized construction, more prevents beam body
Sundries on 1 is dropped between expansion joint 2, achieves the effect of optimization structure.
As shown in Figure 1, to prevent the folding of the extensible member 4 of V-arrangement in wider expansion joint 2 excessive, extensible member 4 is along expansion joint 2
Width is equipped with two groups.The folding degree of extensible member 4 can be reduced equipped with two groups of extensible member 4, meet the expansion joint of different in width
2.The 3rd stainless steel plate 43 for connection is equipped between two groups of extensible members 4,3 middle part of sliding channel of steel side bar is connected with what is set obliquely
Anti-seismic spring 44,44 end of anti-seismic spring connect the 3rd stainless steel plate 43.When having vehicle to pass through above expansion joint 2 or generation is shaken
When dynamic, the absorbable active force both vertically as well as horizontally of angularly disposed anti-seismic spring 44 plays buffering and the effect of damping, and
Anti-seismic spring 44 plays the role of support to the 3rd stainless steel plate 43 so that extensible member 4 keeps horizontality substantially.
As shown in Figure 1,4 top of extensible member is provided with to block the aluminium alloy cover board 37 at expansion joint 2,3 top of steel side bar
The opposite face of both sides, recess are equipped with the sliding slot 38 for the fitting sliding of aluminium alloy cover board 37.
Aluminium alloy cover board 37 is substantially flush with 1 top of beam body, and vehicle can steadily cross expansion joint 2, and sliding slot 38 is so that aluminium
Alloy cover board 37, to be relatively fixed, does not influence the flexible of expansion joint 2, and aluminium alloy cover board 37 is to 2 top of expansion joint with sliding slot 38
It is covered, prevents the stone on bridge floor or sundries from entering expansion joint 2, obtain the effect of optimization structure.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (9)
1. a kind of FE types bridge expanssion joint, including adjacent two beam body (1), the expansion joint (2) between two beam bodies (1) on bridge,
It is characterized in that：Steel side bar (3) is symmetrically fixed on two beam body (1), steel side bar (3) the opposite face bottom is equipped with first
Pedestal (31) connects elastic adhesive tape (32) between first pedestal (31), extensible member is equipped between the opposite steel side bar (3)
(4), the extensible member (4) is in the shape of the letter V, and the steel side bar (3) includes the anchor pole (33) being embedded in beam body (1), the anchor pole
(33) through bolt hole (331) is offered, the anchor pole (33) is with being connected split bolt (332), described pair of drawing spiral shell between beam body (1)
Crash roll (333) is equipped at the top of bolt (332).
2. FE types bridge expanssion joint according to claim 1, it is characterised in that：The extensible member (4) includes being fixedly connected
The first stainless steel plate (41) on steel side bar (3), first stainless steel plate (41) are rotatablely connected the second stainless steel plate (42),
It is rotatablely connected between second stainless steel plate (42).
3. FE types bridge expanssion joint according to claim 2, it is characterised in that：The extensible member (4) is wide along expansion joint (2)
It spends direction and is equipped with two groups.
4. FE types bridge expanssion joint according to claim 3, it is characterised in that：Two groups of extensible members (4) are equipped with and are used for
3rd stainless steel plate (43) of connection, the steel side bar (3) are connected with the anti-seismic spring (44) set obliquely, the antidetonation bullet
Spring (44) end connects the 3rd stainless steel plate (43).
5. FE types bridge expanssion joint according to claim 4, it is characterised in that：Macromolecule is bonded between the steel side bar (3)
Waterproof roll (34).
6. FE types bridge expanssion joint according to claim 5, it is characterised in that：Back-fire relief band is bonded between the steel side bar (3)
(35), the back-fire relief band (35) is made of two layers of liner plate (351), and aluminosilicate refractory fiber felt is equipped in the liner plate (351)
(352)。
7. FE types bridge expanssion joint according to claim 6, it is characterised in that：The back-fire relief band (35) and macromolecule waterproof
Filling heat preservation gasket material (36) between coiled material (34).
8. FE types bridge expanssion joint according to claim 1, it is characterised in that：It is set above the extensible member (4) useful
In the aluminium alloy cover board (37) for blocking expansion joint (2), steel side bar (3) the opposite face recess is equipped with pastes for aluminium alloy cover board (37)
Close the sliding slot (38) of sliding.
9. FE types bridge expanssion joint according to claim 8, it is characterised in that：Ribs is equipped in the steel side bar (3)
(39)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406309.6U CN207376454U (en) | 2017-10-26 | 2017-10-26 | FE type bridge expanssion joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406309.6U CN207376454U (en) | 2017-10-26 | 2017-10-26 | FE type bridge expanssion joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207376454U true CN207376454U (en) | 2018-05-18 |
Family
ID=62337406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721406309.6U Expired - Fee Related CN207376454U (en) | 2017-10-26 | 2017-10-26 | FE type bridge expanssion joints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207376454U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487057A (en) * | 2018-05-22 | 2018-09-04 | 杭州溯真科技有限公司 | A kind of plough mouth formula liner |
| CN110777649A (en) * | 2019-11-21 | 2020-02-11 | 郑州工业应用技术学院 | Civil engineering expansion joint waterproof construction |
| CN110849237A (en) * | 2019-12-04 | 2020-02-28 | 王俊华 | Monitoring and connecting device for highway bridge expansion joint |
| CN111745688A (en) * | 2020-07-06 | 2020-10-09 | 广东电网有限责任公司东莞供电局 | Anti-vibration support of intelligent electric power overhaul robot |
| CN113356041A (en) * | 2021-06-09 | 2021-09-07 | 中冶南方工程技术有限公司 | Bridge telescoping device and bridge |
| CN113668373A (en) * | 2020-03-27 | 2021-11-19 | 杜春 | Construction method of rapid sealing and reinforcing device for road expansion joint |
-
2017
- 2017-10-26 CN CN201721406309.6U patent/CN207376454U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487057A (en) * | 2018-05-22 | 2018-09-04 | 杭州溯真科技有限公司 | A kind of plough mouth formula liner |
| CN108487057B (en) * | 2018-05-22 | 2024-05-14 | 杭州溯真科技有限公司 | Plough nozzle type gasket |
| CN110777649A (en) * | 2019-11-21 | 2020-02-11 | 郑州工业应用技术学院 | Civil engineering expansion joint waterproof construction |
| CN110849237A (en) * | 2019-12-04 | 2020-02-28 | 王俊华 | Monitoring and connecting device for highway bridge expansion joint |
| CN110849237B (en) * | 2019-12-04 | 2020-06-12 | 王俊华 | Monitoring and connecting device for highway bridge expansion joint |
| CN113668373A (en) * | 2020-03-27 | 2021-11-19 | 杜春 | Construction method of rapid sealing and reinforcing device for road expansion joint |
| CN113668372A (en) * | 2020-03-27 | 2021-11-19 | 杜春 | Quick sealing and reinforcing device for road expansion joint |
| CN111745688A (en) * | 2020-07-06 | 2020-10-09 | 广东电网有限责任公司东莞供电局 | Anti-vibration support of intelligent electric power overhaul robot |
| CN113356041A (en) * | 2021-06-09 | 2021-09-07 | 中冶南方工程技术有限公司 | Bridge telescoping device and bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20211026 |