CN104499428A - Profile steel rubber comb type expansion device - Google Patents
Profile steel rubber comb type expansion device Download PDFInfo
- Publication number
- CN104499428A CN104499428A CN201410799411.1A CN201410799411A CN104499428A CN 104499428 A CN104499428 A CN 104499428A CN 201410799411 A CN201410799411 A CN 201410799411A CN 104499428 A CN104499428 A CN 104499428A
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- China
- Prior art keywords
- rubber
- expansion device
- rubber comb
- shaped steel
- steel
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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
The invention discloses a profile steel rubber comb type expansion device which comprises a lower profile steel expansion device body and an upper rubber comb type expansion device body arranged separably. The profile steel expansion device body comprises anchor plates arranged on the left and right sides parallelly and separately, M-profile steel arranged on the upper portions of the anchor plate, sealing rubber strips oppositely arranged in a pair of cavities on the inner side of the M-profile steel to be embedded and anchor bars used for fixing the anchor plates. The rubber comb type expansion device body comprises a rubber comb type steel plate of a sandwich-type layered structure, and the rubber comb type steel plate comprises a middle comb type steel plate, and a rubber surface layer and a rubber bottom layer vulcanized and adhered on two sides of the comb type steel plate. The lower portion and the upper portion of the profile steel rubber comb type expansion device are the profile steel expansion device body and the rubber comb type expansion device body respectively, bumping can be prevented, damping is increased, impact is reduced, wheels are avoided squeezing air in gaps of the expansion device, and driving noise is lowered to the uttermost extent.
Description
Technical field
The invention belongs to bridge engineering component technology field, relate to a kind of shrinkage joint, be specifically related to a kind of shaped steel rubber comb-type telescoping device.
Background technology
Bridge extension joint is for making vehicle smoothly pass bridge floor and meeting the needs of bridge superstructure distortion, to stretch the general name of the various devices be made up of the component such as rubber and steel that place arranges at bridge.It is primarily of power transmission supporting system and Bit andits control system composition, and major function one is that vehicle is vertical and horizontal loading is delivered to beam body by supporting construction, and two is adapt to the bridge change of displacement and the corner change of beam-ends warpage generation in length and breadth.
Car noise has in four " sources ": the noise that the noise in engine noise, tire noise, air and body structure cause.
1, engine noise.Except the mechanic sound that engine block sends, also comprise gas handling system noise, namely high-speed gas enters cylinder through air filter, air inlet pipe, valve, in flow process, can produce a kind of very strong aerodynamic noise.Engine noise imports driving cabin into primarily of the noseplate position of firebreak and driver's cabin.
2, tire noise.General tire is made an uproar primarily of three part compositions: one is the air flowing in tyre tread gap and the noise of air of tire ambient air disturbance formation; Two is that carcass and knurling section shake the tyre vibration noise caused; Three is pavement noises that Uneven road causes.
3, noise of air.One is that wind is made an uproar, and is separated exactly causes pressure to change and the noise of generation by vehicle body surrounding flow; Two is that wind leaks, or is sucking-off sound, is the noise being interacted with vehicle body surrounding flow by driver's cabin and bodywork gap air-breathing and produced; Three is other noises, comprises cavity resonance etc.
4, body structure noise.Mainly affect by two aspect factors, one is the vibrations transfer mode of body structure, and two is hardwares on vehicle body produces noise owing to producing vibrations under inside and outside effect.
For governing noise pollution; ensure the sound environment quality of living standard of urban and rural population working and learning, national environmental protection portion has issued ambient noise national standard: GB3096-2008 " standard for acoustic environmental quality ", GB12348-2008 " Industrial Enterprise Factory Boundary ambient noise discharge standard ", GB22337-2008 " social living environment's noise emission standard " coming into effect on October 1st, 2008.
Wherein, in the process of moving, owing to there is gap between stretching device shaped steel, wheel and side bar (central sill) rub, jump, collide vehicle, and to the air extrusion in gap, thus produce noise, be produce one of car noise to originate greatly.Under the pressure of the needs of governing noise pollution, be necessary to be improved existing stretching device, to reduce the noise in driving.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of shaped steel rubber comb-type telescoping device, the advantage of bound rubber comb-type telescoping device low noise, remains the advantage of modular expansion device anchor structure simultaneously.
In order to realize above-mentioned object, the invention provides following technical scheme:
Shaped steel rubber comb-type telescoping device of the present invention, comprise bottom type steel expansion device and the upper rubber comb-type telescoping device of separable setting, described type steel expansion device comprises the discrete anchor slab being arranged on the left and right sides abreast, be located at the M shaped steel on described anchor slab top, the sealing rubber strip of setting-in is carried out by a pair die cavity be relatively arranged on inside described M shaped steel, for the dowel of fixing described anchor slab, described rubber comb-type telescoping device comprises rubber comb flute profile steel plate, described rubber comb flute profile steel plate is sandwich style layer structure, comprise middle interdigitated electrode structure steel plate and sulfuration and stick to rubber surface layer on described interdigitated electrode structure steel plate two sides and rubber substrate.
In technique scheme, be provided with anchor bolt between the M shaped steel of described bottom type steel expansion device and the rubber comb flute profile steel plate of upper rubber comb-type telescoping device, by the separable connection of anchor bolt.
In technique scheme, described M shaped steel surface is provided with one deck zinc topping.
In technique scheme, described sealing rubber strip is box structure or band shape structure.
In technique scheme, described sealing rubber strip is ethylene-propylene-diene monomer adhesive tape.
In technique scheme, when described type steel expansion device also comprises installation, be embedded into the embedded ribs in concrete, after installation, described embedded ribs welded with dowel.
In technique scheme, run through the spatial placement that described embedded ribs and dowel formed and cross muscle.
Shaped steel rubber comb-type telescoping device bottom of the present invention is type steel expansion device, and top is rubber comb-type telescoping device, can prevent from jumping car, increase damping, reduce to clash into, avoid wheel to the extruding of stretching device clearance air, reduce driving noise to greatest extent.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing for the present invention in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the section structure schematic diagram of shaped steel rubber comb-type telescoping device of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, shaped steel rubber comb-type telescoping device of the present invention, comprise bottom type steel expansion device and the upper rubber comb-type telescoping device of separable setting, bottom type steel expansion device comprises the discrete anchor slab 1 being arranged on the left and right sides abreast, be located at the M shaped steel 2 on anchor slab 1 top, the sealing rubber strip 3 of setting-in is carried out by a pair die cavity be relatively arranged on inside M shaped steel 2, for the dowel 5 of fixing anchor slab 1, upper rubber comb-type telescoping device comprises rubber comb flute profile steel plate 4, rubber comb flute profile steel plate 4 is sandwich style layer structure, comprise middle interdigitated electrode structure steel plate and sulfuration and stick to rubber surface layer 41 on interdigitated electrode structure steel plate two sides and rubber substrate 42.
Anchor bolt 6 is provided with, by the separable connection of anchor bolt 6 between the M shaped steel 2 of bottom type steel expansion device and the rubber comb flute profile steel plate 4 of upper rubber comb-type telescoping device.
The surface of M shaped steel 2 can be provided with one deck zinc topping, extends the application life of M shaped steel 2.
Sealing rubber strip 3 can be box structure or band shape structure, and its material can be ethylene propylene diene rubber bar, both can waterproof, can block again foreign matter and be convenient to clear up.
Bottom type steel expansion device is embedded into the embedded ribs 7 in concrete when also comprising installation, weld after installation to embedded ribs 7 with dowel 5.
Run through space (namely along direction across bridge) that embedded ribs 7 and dowel 5 formed to be provided with and to cross muscle 8.
First embedded ribs 7 is embedded in concrete during installation, dowel 5 is welded with embedded ribs 7, muscle 8 is crossed in setting, after embedding good sealing rubber strip 3, rubber comb flute profile steel plate 4 is installed, by anchor bolt 6, bottom type steel expansion device is fixedly connected with upper rubber comb-type telescoping device, with concreting, notch is installed.
When changing sealing rubber strip 3, the anchor bolt 6 on rubber comb flute profile steel plate 4 is twisted off namely replaceable.
Stretching device excellent equally, different construction and installation quality, result of use and durability have significant difference, but this can not as the reason affecting the technology of the present invention effect.
1, unit in charge of construction's size that must provide according to design drawing, reserves at beam-ends (or plate end) and beam-ends, beam-ends and Abutment the preformed groove installing stretching device, and pre-buried good anchor bar by drawing.Anchor rib should have reliable anchor to join with beam-ends or abutment, as main muscle need weld time, the pertinent regulations of bridge construction specification should be met.
2, the stretching device that factory-assembled is good generally transports building site to by factory's special train.Stretching device in transportation, because limiting by transportation lengths, or because of other reason need splice in building site time, should factory instruct under construct.
3, on stretching device before bridge, first must check that whether the girder after having constructed (or plate) two ends gap amount is consistent with design load, whether accurately pre-buried anchor bar or member position, if do not meet designing requirement, will consider whether the original stretching device model selected is suitable for.As do not met the demands, and when not ensureing reliable anchoring, then must consider revise the size of clearance of expansion rail or change the remedial measure of the necessity such as stretching device model.
4, stretching device is before upper bridge is installed, check whether " J " value or " a " value of stretching device meet installation temperature requirement, otherwise must under engineer instructs, adjust with level jack, fixture by the real air temperature (when there is any discrepancy with temperature when providing factory to install) when installing, until meet designing requirement, after adjusting, and check that signature rear available dedicated jig is fixed by construction and installation person in charge.
5, before stretching device hoisted in position, should by preformed groove inner concrete hacking, cleaning is clean.Cleaning formation level, makes preformed groove reach suitable width and the degree of depth, to place Large travel range modulus type stretching device, must remove all unnecessary reinforcing bars, and ensure that beam-ends gap meets designing requirement.
6, when stretching device dispatches from the factory, handling suspension centre is indicated by obvious color, must lift by crane, can remake suitable strengthening measure if desired, guarantee safe and reliable during the lifting of building site according to suspension centre.Boom hoisting is set at notch, stretching device is slowly placed in preformed groove.The center line of stretching device should coincide with bridge center line, and deviation is maximum can not more than 10mm; Stretching device along bridge to width a value, symmetrical should be placed on the gap at shrinkage joint, and with spirit level or board foot location, level up after making its end face absolute altitude and grade elevation (-1 ~ 1.5mm) identical.
7, after stretching device is correctly located, to stretching device anchor plate place, the reinforcing bar of vertical position welding φ more than 16 carries out altitude location.Horizontal position welding φ 16 reinforcing bar directly spends location.Then by the anchor bar of stretching device side and the welding of preformed groove embedded bar, to ensure that stretching device is fixed.As long as weld one every 2 ~ 3 anchor bars during welding, and then by above-mentioned steps at the anchor rib of opposite side, until both sides reach fixing after, the anchor rib just can not welded again row welds, and guarantees reliable anchoring.Not any welding on side bar and central sill to be noted, the distortion in case girder steel is distorted when welding anchor rib.Then wear and put horizontal connection horizontal reinforcement.As having any problem, first can be welded side, and loosening slide calliper rule, make its free-extension, now stretching device produces effectiveness.After stretching device anchoring is fixed, namely removes the fixing steel plate of stretching device end face, cut off positioning bolt, smooth with grinder buffing, coat zinc paint.
8, after completing above-mentioned operation, necessary template is installed, beam-ends template and stretching device template (available 2mm steel plate or the suitable Polystyrene plastic plate of thickness) are set, template makes by the breach of stretching device appearance and size and preformed groove, template should be done quite tight, in case mortar flows into displacement controlling box or flows to the gap of bridge end.
9, by the requirement of design drawing, in concrete preformed groove, cast is greater than epoxy resin concrete or the steel fibrous concrete of C40, also with C50 or can be greater than C50 high-strength concrete filling tamping.Necessary measure should be taked during fluid concrete; vibration compacting; can protect on stretching device surface layer overlay iron plate and other sheet material; prevent concrete from infiltrating in stretching device beam-ends gap; do not allow concrete to spatter and fill out in caulking gum is with seam and surface; if this phenomenon occurs should remove immediately, then protect very well.
10, after concreting, maintenance should be noted, and barring traffic, reach after intensity can be open to traffic until concrete.
11, bridge surface waterproof layer and deck paving bridge deck works that is general and bed rearrangement bridge once complete.Before mating formation, stretching device should add a cover temporary protection measure, avoids clashing into and directly bearing vehicular load.
In sum, shaped steel rubber comb-type telescoping device bottom of the present invention is type steel expansion device, and top is rubber comb-type telescoping device, can prevent from jumping car, increase damping, reduce to clash into, avoid wheel to the extruding of stretching device clearance air, reduce driving noise to greatest extent.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this manual is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of manual is only for clarity sake, those skilled in the art should by manual integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. a shaped steel rubber comb-type telescoping device, it is characterized in that: the bottom type steel expansion device and the upper rubber comb-type telescoping device that comprise separable setting, described type steel expansion device comprises the discrete anchor slab (1) being arranged on the left and right sides abreast, be located at the M shaped steel (2) on described anchor slab (1) top, the sealing rubber strip (3) of setting-in is carried out by a pair die cavity being relatively arranged on described M shaped steel (2) inner side, for the dowel (5) of fixing described anchor slab (1), described rubber comb-type telescoping device comprises rubber comb flute profile steel plate (4), described rubber comb flute profile steel plate (4) is sandwich style layer structure, comprise middle interdigitated electrode structure steel plate and sulfuration and stick to rubber surface layer (41) on described interdigitated electrode structure steel plate two sides and rubber substrate (42).
2. shaped steel rubber comb-type telescoping device according to claim 1, it is characterized in that: be provided with anchor bolt (6) between the M shaped steel (2) of described bottom type steel expansion device and the rubber comb flute profile steel plate (4) of upper rubber comb-type telescoping device, by anchor bolt (6) separable connection.
3. shaped steel rubber comb-type telescoping device according to claim 1 and 2, is characterized in that: described M shaped steel (2) surface is provided with one deck zinc topping.
4. shaped steel rubber comb-type telescoping device according to claim 1 and 2, is characterized in that: described sealing rubber strip (3) is box structure or band shape structure.
5. shaped steel rubber comb-type telescoping device according to claim 4, is characterized in that: described sealing rubber strip (3) is ethylene-propylene-diene monomer adhesive tape.
6. shaped steel rubber comb-type telescoping device according to claim 1 and 2, it is characterized in that: when described type steel expansion device also comprises installation, be embedded into the embedded ribs (7) in concrete, after installation, described embedded ribs (7) is welded with dowel (5).
7. shaped steel rubber comb-type telescoping device according to claim 6, is characterized in that: run through the spatial placement that described embedded ribs (7) and dowel (5) formed and cross muscle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799411.1A CN104499428A (en) | 2014-12-20 | 2014-12-20 | Profile steel rubber comb type expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799411.1A CN104499428A (en) | 2014-12-20 | 2014-12-20 | Profile steel rubber comb type expansion device |
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| Publication Number | Publication Date |
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| CN104499428A true CN104499428A (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410799411.1A Pending CN104499428A (en) | 2014-12-20 | 2014-12-20 | Profile steel rubber comb type expansion device |
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| Country | Link |
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| CN (1) | CN104499428A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056517A (en) * | 2018-08-31 | 2018-12-21 | 广东通畅路桥养护科技有限公司 | A kind of noise reduction is durable to exempt to clean the bridge expansion joint installation easily conserved |
| CN109457602A (en) * | 2018-12-19 | 2019-03-12 | 西安公路研究院 | The dust-proof slide plate telescopic device of bridge durability and its construction method |
| CN115369752A (en) * | 2021-05-18 | 2022-11-22 | 江苏润通工程设备有限公司 | Sectional combined type damping and noise reducing bridge expansion device |
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| CN2319438Y (en) * | 1997-12-29 | 1999-05-19 | 廖祖泉 | Durable, waterproof, dustproof and anti-shock extension appts. for highway bridge |
| JP2002339307A (en) * | 2001-05-15 | 2002-11-27 | Nitta Ind Corp | Bridge expansion joint |
| JP2013159978A (en) * | 2012-02-06 | 2013-08-19 | Akihiko Namioka | Module type bridge expansion device |
| CN203393610U (en) * | 2013-08-01 | 2014-01-15 | 玛格巴（上海）桥梁构件有限公司 | Profile steel comb-toothed bridge expansion joint |
| CN203603048U (en) * | 2013-11-06 | 2014-05-21 | 上海兰德公路工程咨询设计有限公司 | Innovative comb-plate-type rubber plate bridge expansion joint structure |
| CN204385609U (en) * | 2014-12-20 | 2015-06-10 | 苏州海德工程材料科技有限公司 | A kind of shaped steel rubber comb-type telescoping device |
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2014
- 2014-12-20 CN CN201410799411.1A patent/CN104499428A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319438Y (en) * | 1997-12-29 | 1999-05-19 | 廖祖泉 | Durable, waterproof, dustproof and anti-shock extension appts. for highway bridge |
| JP2002339307A (en) * | 2001-05-15 | 2002-11-27 | Nitta Ind Corp | Bridge expansion joint |
| JP2013159978A (en) * | 2012-02-06 | 2013-08-19 | Akihiko Namioka | Module type bridge expansion device |
| CN203393610U (en) * | 2013-08-01 | 2014-01-15 | 玛格巴（上海）桥梁构件有限公司 | Profile steel comb-toothed bridge expansion joint |
| CN203603048U (en) * | 2013-11-06 | 2014-05-21 | 上海兰德公路工程咨询设计有限公司 | Innovative comb-plate-type rubber plate bridge expansion joint structure |
| CN204385609U (en) * | 2014-12-20 | 2015-06-10 | 苏州海德工程材料科技有限公司 | A kind of shaped steel rubber comb-type telescoping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056517A (en) * | 2018-08-31 | 2018-12-21 | 广东通畅路桥养护科技有限公司 | A kind of noise reduction is durable to exempt to clean the bridge expansion joint installation easily conserved |
| CN109457602A (en) * | 2018-12-19 | 2019-03-12 | 西安公路研究院 | The dust-proof slide plate telescopic device of bridge durability and its construction method |
| CN115369752A (en) * | 2021-05-18 | 2022-11-22 | 江苏润通工程设备有限公司 | Sectional combined type damping and noise reducing bridge expansion device |
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Address after: 215500, 5, Golden Gate Road, Southeast Development Zone, Suzhou, Jiangsu, Changshou City Applicant after: SUZHOU HAIDER ENGINEERING MATERIALS CO., LTD. Address before: 215500, 5, Golden Gate Road, Southeast Development Zone, Suzhou, Jiangsu, Changshou City Applicant before: SUZHOU HAIDER ENGINEERING MATERIAL CO., LTD. |
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Application publication date: 20150408 |
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