CN109778688A - A kind of gapless expansion gap device - Google Patents
A kind of gapless expansion gap device Download PDFInfo
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- CN109778688A CN109778688A CN201811251220.6A CN201811251220A CN109778688A CN 109778688 A CN109778688 A CN 109778688A CN 201811251220 A CN201811251220 A CN 201811251220A CN 109778688 A CN109778688 A CN 109778688A
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- gap
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Abstract
The present invention relates to bridge technology fields, and in particular to a kind of gapless expansion gap device.Including beam body and expansion gap device ontology, the expansion gap device ontology includes abrasion body component, anchoring assembly and gap connector, the abrasion body component is anchored at the beam body gap between two sections of beam bodies by the anchoring assembly, the abrasion body component includes a pair of channel-section steel fastener of mirror settings and snap-in plastic rubber body each other, the channel-section steel fastener is towards being equipped with card slot on the inside of beam body gap, the both ends of the snap-in plastic rubber body and the card slot are clamped, the gap connector includes two pieces of hinged junction steel plates, the anchoring assembly is fixed on the section part in beam body gap pair, two pieces of junction steel plates of the gap connector are fixedly connected with the anchoring assembly respectively.Gap connector can play the role of good buffering energy dissipating, and snap-in plastic rubber body guarantees to form ride comfort, while have both the effect for blocking and preventing rainwater infiltration.
Description
Technical field
The present invention relates to bridge technology fields, and in particular to a kind of gapless expansion gap device.
Background technique
Bridge expansion joint installation is to guarantee vehicle between different beam sections under beam body stress condition in the case where reducing temperature action
The important component of safety and comfort driving.Gapless expansion gap device has many advantages, such as that driving is smooth, with small vibration, low noise, in bridge
More application is obtained in beam engineering.Currently used gapless expansion gap device mainly has BJ200 high molecular polymer seamless
Expansion gap device, TST elasticoplastic body expansion joints without seals device, modified pitch expansion joints without seals device etc., basic characteristics are to adopt
It is in elastoplastic state under room temperature with the special high viscoelastoplastic material such as high molecular polymer, incorporation rubble forms bullet modeling after high temperature melting is molten
Property macadam-aggregate mix, after the hardened forming that paves in the preformed groove of beam body expansion joint, form non-individual body, bridge with the deck paving of front and back
Face is smooth seamless.Using showing both to be used as due to the expansion joints without seals material of main part elastoplasticity macadam-aggregate mix, temperature is flexible, vehicle
The supporting body of impact, and the abrasion body as deck paving, stress is complicated, under temperature change and the effect of frequent carload
Endurance failure easily occurs, frequency of maintenance is high.Former high viscoelastoplastic material need to be first excavated when maintenance replaces the hot melt material for paving new again
Material, can open traffic after to be hardened, cause the maintenance period bridge traffic capacity low, and congestion problems are prominent, give people's life band
Carry out big inconvenience.
Therefore, it is necessary to study a kind of novel seamless formula expansion gap devices, have both retained existing gapless expansion gap device row
The advantages that vehicle is smooth, with small vibration, low noise, but it is durable, convenient for safeguarding.
Summary of the invention
The purpose of the present invention is to the defect of the prior art, a kind of separation carrying and abrasion function are provided, using complete
Assembling structure reduces stress complexity, can replace respectively after impaired, its load-bearing part is not influenced after wear part is impaired, to reach
The gapless expansion gap device of purpose durable, convenient for safeguarding.
The present invention is a kind of gapless expansion gap device, including beam body and expansion gap device ontology, the expansion gap device
Ontology includes that abrasion body component, anchoring assembly and gap connector, the abrasion body component are anchored at by the anchoring assembly
At beam body gap between two sections of beam bodies, the abrasion body component includes a pair of channel-section steel fastener of mirror settings each other and one
Channel-section steel fastener described in snap-in plastic rubber body is towards being equipped with snap-in plastic rubber described in card slot on the inside of beam body gap
The both ends of body connect with the card slot, and the gap connector includes two pieces of hinged junction steel plates, and the anchoring assembly is fixed on
Two pieces of junction steel plates of the section part in beam body gap pair, the gap connector are fixedly connected with the anchoring assembly respectively.
More preferred, the gap connector includes pin shaft, diplopore steel plate and single-hole steel plate, the diplopore steel plate and list
One end of hole steel plate is hinged by pin shaft, and the other end of the diplopore steel plate and single-hole steel plate is fixed with two Steel section members respectively
Connection.
More preferred, the anchoring assembly includes inverted T-beam and U-shaped anchoring piece (23), the outer lateral edge of the inverted T-beam its
Length direction is uniformly connected multiple U-shaped anchoring pieces, welds on the outside of the open end of the U-shaped anchoring piece and the inverted T-beam.
More preferred, the opposite section in the beam body gap extends to form step surface, the bottom of the inverted T-beam to center
Portion is fixedly connected with the step surface, and the top of the inverted T-beam is fixedly connected with the channel-section steel fastener, the channel-section steel card
The inside in part towards beam body gap is equipped with the card slot for being clamped snap-in plastic rubber body.
More preferred, the beam body includes bridge main body and cast-in-place concrete layer, and the bridge main body is in beam body gap
Place is equipped with the expansion joint preformed groove of upper opening, and the expansion gap device ontology is set in the expansion joint preformed groove, described
It is fixedly connected between expansion gap device ontology and bridge main body by the cast-in-place concrete layer being filled in the preformed groove of expansion joint.
It is more preferred, embedded bar is respectively and fixedly provided on each U-shaped anchoring piece, the embedded bar is bottom opening
Semi-enclosed reinforcing bar, the embedded bar binds in U-shaped anchoring piece along the direction parallel with U-shaped anchoring piece far from beam body gap
One end, the embedded bar bottom end insertion bridge main body in.
It is more preferred, it further include the more reinforcing bars that extend transversely through being arranged in cast-in-place concrete layer, it is described to extend transversely through
Reinforcing bar is arranged perpendicular to the U-shaped anchoring piece, and is fixedly connected by way of binding with U-shaped anchoring piece and embedded bar.
More preferred, channel-section steel fastener upper end is downwardly extending hook pawl, the snap-in plastic rubber body
Both ends are equipped with groove in upper surface and the hook pawl corresponding position, and the both ends of the snap-in plastic rubber body are embedded in the card
Slot, and limited and cooperated by the hook pawl of groove and the channel-section steel fastener.
The invention has the benefit that
1. function separates, stress complexity caused by Function Coupling is reduced, realizes that component-level is precisely replaced.Connected using gap
Fitting and abrasion body component replace the elastoplasticity macadam-aggregate mix of existing expansion joints without seals device, gap connector as temperature,
The supporting body of vehicular load, the abrasion body that abrasion body component is driven a vehicle as bridge floor.Gap connector can play good buffering and disappear
It can act on, snap-in plastic rubber body guarantees to form ride comfort, while having both the effect for blocking and preventing rainwater infiltration.
2. full fabricated construction, installation and replacement just Qi.Anchoring assembly connect as this expansion gap device with beam body important
Component does not bear wheel directly and directly impacts, anchors safer reliable.Channel-section steel fastener in abrasion body component both protected
Notch concrete and rubber bodies, and having as the critical elements realization abrasion body component and anchoring assembly bolted with anchoring assembly
Effect connection, and can realize being individually replaced for the snap-in plastic rubber body of easy wear members for wearing away body component, it installs, replacement side
Just.Gap connector is assembled using pin connection, and with anchoring assembly using bolting, installation, replacement is convenient and can realize that gap connects
The fragment of part component is replaced.
3. gap connection component and abrasion body component form stable deformation and adapt to body, there is good globality and anti-impact
Hitting property, card slot, the anchoring assembly of abrasion body component are steel, can preferably protect notch free face coagulation at beam body gap
Soil effectively increases the durability of device.
Detailed description of the invention
Fig. 1 is that gapless expansion gap device of the present invention completes the standard section figure after installation；
Fig. 2 is that gapless expansion gap device of the present invention completes the top view after installation；
Fig. 3 is present invention abrasion body component and anchoring assembly, gap connector latching mechanism figure；
Fig. 4 is the structure chart that gap connector of the present invention is connect with anchoring assembly；
Fig. 5 is the structural schematic diagram of anchoring assembly of the present invention；
Fig. 6 is the structural schematic diagram of present invention abrasion body component；
Fig. 7 is the decomposition texture schematic diagram of gap connector of the present invention.
In figure: 11- diplopore steel plate；12- single-hole steel plate；13- pin shaft；
21- extends transversely through reinforcing bar；22- embedded bar；23-U shape anchoring piece；
31- channel-section steel fastener；311- card slot；312- hooks pawl；The inverted T shaped girder steel of 32-；33- sunk bolt；The locking envelope of 90-
Stifled glue；
The snap-in plastic rubber body of 40-；41- groove；
50- connection bolt；
60- cast-in-place concrete layer；70- bridge main body；80- beam body gap.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they limiting the invention.
As illustrated in fig. 1 and 2, a kind of gapless expansion gap device includes beam body and expansion gap device ontology, the expansion joint
Device noumenon is set at the beam body gap 80 between two sections of beam bodies, it includes beam body and expansion gap device ontology, described flexible
Stitching device noumenon includes abrasion body component, anchoring assembly and gap connector.The abrasion body component passes through the anchoring assembly
It is anchored at the beam body gap 80 between two sections of beam bodies, abrasion body component includes the channel-section steel fastener 31 of a pair of mirror settings each other
With a snap-in plastic rubber body 40, the inside in channel-section steel fastener 31 towards the beam body gap 80 is equipped with card slot 311, institute
The both ends and the card slot 311 for stating snap-in plastic rubber body 40 are clamped.Gap connector includes two pieces of hinged junction steel plates,
The anchoring assembly is fixed on the opposite section part in beam body gap 80, two pieces of junction steel plates of the gap connector respectively with institute
Anchoring assembly is stated to be fixedly connected.
As shown in figure 5, anchoring assembly includes inverted T-beam 32 and U-shaped anchoring piece 23, its length of the outer lateral edge of the inverted T-beam 32
Degree direction is uniformly connected multiple U-shaped anchoring pieces 23, welds on the outside of the open end of the U-shaped anchoring piece 23 and the inverted T-beam 32.
The beam body includes bridge main body 70 and cast-in-place concrete layer 60, and the bridge main body 70 is set at beam body gap 80
There is the expansion joint preformed groove of upper opening, the expansion gap device ontology is set in the expansion joint preformed groove, described flexible
It is fixedly connected between seam device noumenon and bridge main body 7 by the cast-in-place concrete layer 60 being filled in the preformed groove of expansion joint.Beam
The opposite section in body gap 80 extends to form step surface, the bottom of the inverted T-beam 32 and the fixed company of the step surface to center
It connects, which is formed by cast-in-place concrete layer 60.Wherein, channel-section steel fastener 31 and card
Enter the composition abrasion body component of formula plastic rubber body 40.
As illustrated in figures 3-6, the top of the inverted T-beam 32 and the channel-section steel fastener 31 are solid by sunk bolt 33
The top of fixed connection, sunk bolt 33 is filled with locking closure glue 90.Inside of the channel-section steel fastener 31 towards beam body gap 80
The card slot 311 for being used to be clamped snap-in plastic rubber body 40 equipped with c-type.311 upper end of card slot, which is downwardly extending, hooks pawl 312,
The both ends of the snap-in plastic rubber body 40 are equipped with groove 41 in upper surface and 312 corresponding position of hook pawl, described to be caught in
The both ends of formula plastic rubber body 40 are embedded in the card slot 311, and are limited by the hook pawl 312 of groove 41 and the channel-section steel fastener 31
Position cooperation.Snap-in 40 upper surface of plastic rubber body, 31 upper surface of channel-section steel fastener, 70 upper surface of bridge main body are (not set to stretch
At the common bridge floor of contracting seam) it is concordant with 60 upper surface of cast-in-place concrete layer.
Embedded bar 22 is respectively and fixedly provided on each U-shaped anchoring piece 23, the embedded bar 22 is the half of bottom opening
Closed reinforcing bar, the embedded bar 22 are stitched in U-shaped anchoring piece 23 far from beam body along the direction binding parallel with U-shaped anchoring piece 23
The bottom end of one end of gap 80, the embedded bar 22 is embedded in bridge main body 70.Further include more to be arranged in cast-in-place concrete layer
Reinforcing bar 21 is extended transversely through in 60, the reinforcing bar 21 that extends transversely through is arranged perpendicular to the U-shaped anchoring piece 23, and passes through binding
Mode is fixedly connected with U-shaped anchoring piece 23 and embedded bar 22.
As shown in fig. 7, the gap connector includes pin shaft 13, diplopore steel plate 11 and single-hole steel plate 12, the diplopore steel
One end of plate 11 and single-hole steel plate 12 is hinged by pin shaft 13, the other end of the diplopore steel plate 11 and single-hole steel plate 12 respectively with
Two inverted T-beams 32 are fixedly connected.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of gapless expansion gap device, including beam body and expansion gap device ontology, the expansion gap device ontology includes mill
Consume body component, anchoring assembly and gap connector, it is characterised in that: the abrasion body component is anchored at by the anchoring assembly
At beam body gap (80) between two sections of beam bodies, the abrasion body component includes the channel-section steel fastener of a pair of mirror settings each other
(31) and a snap-in plastic rubber body (40), the channel-section steel fastener (31) is towards being equipped on the inside of beam body gap (80)
Card slot (311), the both ends and the card slot (311) of the snap-in plastic rubber body (40) are clamped, the gap connector packet
Two pieces of hinged junction steel plates are included, the anchoring assembly is fixed on the opposite section part in beam body gap (80), the gap connection
Two pieces of junction steel plates of part are fixedly connected with the anchoring assembly respectively.
2. a kind of gapless expansion gap device according to claim 1, it is characterised in that: the gap connector includes pin
One end of axis (13), diplopore steel plate (11) and single-hole steel plate (12), the diplopore steel plate (11) and single-hole steel plate (12) passes through pin
Hingedly, the other end of the diplopore steel plate (11) and single-hole steel plate (12) is fixedly connected with two Steel section members axis (13) respectively.
3. a kind of gapless expansion gap device according to claim 1, it is characterised in that: the anchoring assembly includes T
Ellbeam (32) and U-shaped anchoring piece (23), be uniformly connected on the outside of the inverted T-beam (32) multiple U-shaped anchoring pieces along its length
(23), welding on the outside of the open end Yu the inverted T-beam (32) of the U-shaped anchoring piece (23).
4. a kind of gapless expansion gap device according to claim 3, it is characterised in that: the beam body gap (80) is opposite
Section extend to form step surface to center, the bottom of the inverted T-beam (32) is fixedly connected with the step surface, it is described fall T
The top of ellbeam (32) is fixedly connected with the channel-section steel fastener (31), and the channel-section steel fastener (31) is towards beam body gap (80)
Inside be equipped with card slot (311) for being clamped snap-in plastic rubber body (40).
5. a kind of gapless expansion gap device according to claim 1, it is characterised in that: the beam body includes bridge main body
(70) and cast-in-place concrete layer (60), expansion joint of the bridge main body (70) at beam body gap (80) equipped with upper opening are pre-
Slot is stayed, the expansion gap device ontology is set in the expansion joint preformed groove, the expansion gap device ontology and bridge main body
(70) it is fixedly connected between by the cast-in-place concrete layer (60) being filled in the preformed groove of expansion joint.
6. a kind of gapless expansion gap device according to claim 5, it is characterised in that: each U-shaped anchoring piece
(23) it is respectively and fixedly provided on embedded bar (22), the embedded bar (22) is the semi-enclosed reinforcing bar of bottom opening, described pre-buried
Reinforcing bar (22) binds one end in U-shaped anchoring piece (23) far from beam body gap (80) along the direction parallel with U-shaped anchoring piece (23),
In bottom end insertion bridge main body (70) of the embedded bar (22).
7. a kind of gapless expansion gap device according to claim 5, it is characterised in that: further include more and be arranged cast-in-place
Extending transversely through reinforcing bar (21) in concrete layer (60), the reinforcing bar (21) that extends transversely through is perpendicular to the U-shaped anchoring piece (23)
Setting, and be fixedly connected by way of binding with U-shaped anchoring piece (23) and embedded bar (22).
8. a kind of gapless expansion gap device according to claim 1, it is characterised in that: on the channel-section steel fastener (31)
End, which is downwardly extending, hooks pawl (312), and the both ends of the snap-in plastic rubber body (40) are in upper surface and the hook pawl (312)
Corresponding position is equipped with groove (41), and the both ends of the snap-in plastic rubber body (40) are embedded in the card slot (311), and by recessed
Slot (41) and the hook pawl (312) of the channel-section steel fastener (31), which limit, to be cooperated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251220.6A CN109778688B (en) | 2018-10-25 | 2018-10-25 | Seamless expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251220.6A CN109778688B (en) | 2018-10-25 | 2018-10-25 | Seamless expansion joint device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109778688A true CN109778688A (en) | 2019-05-21 |
| CN109778688B CN109778688B (en) | 2021-04-30 |
Family
ID=66496343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811251220.6A Active CN109778688B (en) | 2018-10-25 | 2018-10-25 | Seamless expansion joint device |
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| Country | Link |
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| CN (1) | CN109778688B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029576A (en) * | 2019-05-28 | 2019-07-19 | 广东金长成桥梁隧道科技有限公司 | A kind of no steel seamless bridge expansion gap device and its construction technology |
| CN115341456A (en) * | 2022-08-29 | 2022-11-15 | 黑龙江鑫交研桥梁科技开发有限公司 | Polyurethane composite bridge expansion joint structure |
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| KR20170117943A (en) * | 2017-09-28 | 2017-10-24 | 주식회사 부흥시스템 | Expansion joint for bridge having leakage protection sturcture |
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Patent Citations (5)
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| CN102535331A (en) * | 2010-12-10 | 2012-07-04 | 成都市新筑路桥机械股份有限公司 | Sealing structure for railway bridge end |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029576A (en) * | 2019-05-28 | 2019-07-19 | 广东金长成桥梁隧道科技有限公司 | A kind of no steel seamless bridge expansion gap device and its construction technology |
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| CN115341456A (en) * | 2022-08-29 | 2022-11-15 | 黑龙江鑫交研桥梁科技开发有限公司 | Polyurethane composite bridge expansion joint structure |
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| CN109778688B (en) | 2021-04-30 |
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