CN203613455U - Comb tooth type bridge expansion device with novel waterproof structure - Google Patents
Comb tooth type bridge expansion device with novel waterproof structure Download PDFInfo
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- CN203613455U CN203613455U CN201320758470.5U CN201320758470U CN203613455U CN 203613455 U CN203613455 U CN 203613455U CN 201320758470 U CN201320758470 U CN 201320758470U CN 203613455 U CN203613455 U CN 203613455U
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- steel
- comb tooth
- plate
- expansion device
- waterproof structure
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- 244000126211 Hericium coralloides Species 0.000 title claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 238000004873 anchoring Methods 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract 4
- 239000011210 fiber-reinforced concrete Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a comb tooth type bridge expansion device with a novel waterproof structure. The comb tooth type bridge expansion device with the novel waterproof structure comprises a fixed comb tooth plate, a movable comb tooth plate and the elastic waterproof structure, wherein the fixed comb tooth plate and the movable comb tooth plate are arranged on the upper end faces of beam bodies on the two sides of a bridge gap in a pairwise mode, the elastic waterproof structure is connected between the two beam bodies, the movable comb tooth plate crosses the gap between the two beam bodies, and comb teeth of the movable comb tooth plate and comb teeth of the fixed comb tooth plate are arranged in a staggered mode. The comb tooth type bridge expansion device with the novel waterproof structure is characterized in that the elastic waterproof structure comprises section steel and a sealing rubber belt, wherein the section steel is arranged at the bottom of the movable comb tooth plate and fixed to the ends of the beam bodies on the two sides, and the two ends of the sealing rubber belt are matched with section openings of the section steel. The comb tooth type bridge expansion device with the novel waterproof structure has the advantages that due to the facts that the section steel is fixedly arranged in a steel fiber reinforced concrete layer at the ends of beams, and the section steel and the beam bodies are combined into a whole, stability of a waterproof system is improved; due to the fact that the sealing rubber belt is embedded into the section openings of the section steel, waterproof performance is improved, and the sealing rubber belt is easy to replace; due to the fact that the waterproof structure is arranged between the two beam bodies and below the movable comb tooth plate, the integral structure and the concrete structure of the comb tooth type bridge expansion device do not need to be damaged in the maintenance process, and the maintenance cost is low.
Description
Technical field
The utility model belongs to Expansion Units for Highway Bridges field, has designed a kind of comb-tooth bridge expansion device with waterproof structure, particularly a kind of comb-tooth bridge expansion device with fast-assembling easy-maintaining type waterproof construction.
Background technology
For meeting the requirement of bridge deformation, conventionally between two beam-ends, stretching device is set between beam-ends and abutment or on the delivery position of bridge, comb-tooth bridge expansion device because of its cross car steadily, easy feature is installed, be widely used.But the waterproofing system water resistance of current comb-tooth bridge expansion device is poor, the destructive maintenance mode of general employing after leaking, its maintenance difficulty is large and maintenance cost is higher.
A kind of plain edition comb-tooth bridge expansion device as shown in Figure 1, caulking gum band integral arrangement is below comb plate, the anchor bolt of comb plate is through caulking gum band, easily leak herein, while changing caulking gum band, need remove fixed fingers plate and movable comb tooth plate, the visible difficulty of changing is quite large, waste time and energy simultaneously; Be illustrated in figure 2 a kind of multi-directional deflection type comb-tooth bridge expansion device, caulking gum band is buckled on angle bar, and builds in concrete, when replacing, need destroy concrete, operating difficulties.
Summary of the invention
The utility model, in order to address the above problem, has designed a kind of comb-tooth bridge expansion device with waterproof structure, and this waterproof construction water resistance is good, easily changes, and maintenance cost is low.
The technical solution adopted in the utility model is: a kind of comb-tooth bridge expansion device with waterproof structure, structure comprises the fixed fingers plate and the movable comb tooth plate that are arranged in pairs in bridge beam gap two curb girder body upper surfaces, and connect the elastic water-proof structure between two beam bodies, movable comb tooth plate strides across gap between two beam bodies and the broach of fixed fingers plate is crisscross arranged, key is: described elastic water-proof structure comprises the shaped steel that is arranged at movable comb tooth plate below and is fixed on two curb girder end of bodies, and the caulking gum band that matches of two ends and shaped steel type mouth.
1), shaped steel builds and be fixed in beam-ends steel fibrous concrete layer, forms an entirety with beam body, improved the steadiness of waterproofing system the beneficial effects of the utility model are:; 2), caulking gum band is mounted in the type mouth of shaped steel, water resistance improves, and caulking gum band is easily changed; 3), waterproof construction is arranged between two beam bodies, movable comb tooth plate below, does not need to destroy overall structure and the concrete structure of stretching device when maintenance, maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of plain edition comb-tooth bridge expansion device in prior art.
Fig. 2 is the structural representation of multi-directional deflection type comb-tooth bridge expansion device in prior art.
Fig. 3 is the structural representation of the first embodiment of the present utility model.
Fig. 4 is the structural representation of the second embodiment of the present utility model.
Fig. 5 is the top view of Fig. 3.
In accompanying drawing, the 1st, movable comb tooth plate, the 2nd, anchoring assembly, the 3rd, shaped steel, the 4th, caulking gum band, the 5th, fixed fingers plate, the 6th, stainless steel slide plate, the 7th, steel fibrous concrete layer, 8-1 is the first beam body, 8-2 is the second beam body, and 9-1 is elastic support, and 9-2 is lower steel plate, and 9-3 is upper steel plate.
The specific embodiment
A kind of comb-tooth bridge expansion device with waterproof structure, structure comprises the elastic water-proof structure between fixed fingers plate 5 and movable comb tooth plate 1 and two the beam bodies of connection that are arranged in pairs in bridge beam gap two curb girder body upper surfaces, movable comb tooth plate 1 strides across gap between two beam bodies and the broach of fixed fingers plate 5 is crisscross arranged, importantly: described elastic water-proof structure comprises the caulking gum band 4 that the shaped steel 3 that is arranged at movable comb tooth plate 1 below and is fixed on two curb girder end of bodies and two ends and shaped steel 3 type mouths match.
Improvement for the waterproof construction of plain edition comb-tooth bridge expansion device: be provided with steel fibrous concrete layer 7 on described bridge beam gap two curb girder bodies, fixed fingers plate 5 and movable comb tooth plate 1 are arranged on steel fibrous concrete layer 7 by anchoring assembly 2, and shaped steel 3 is fixed in the steel fibrous concrete layer 7 of two beam end of bodies.
Improvement for the waterproof construction of multi-directional deflection type comb-tooth bridge expansion device: be provided with steel fibrous concrete layer 7 on described bridge beam gap two curb girder bodies, fixed fingers plate 5 is fixed on steel fibrous concrete layer 7 by anchoring assembly 2, movable comb tooth plate 1 is arranged on steel fibrous concrete layer 7 by multi-directional deflection mechanism, and shaped steel 3 is fixed in the steel fibrous concrete layer 7 of two beam end of bodies.
Described multi-directional deflection mechanism comprises the reeded elastic support 9-1 of upper surface band, be embedded in the upper steel plate 9-3 with booster action in the groove of elastic support 9-1 upper surface and be fixed on the lower steel plate 9-2 of elastic support 9-1 lower surface, movable comb tooth plate 1 is fixed by bolt and upper steel plate 9-3, and lower steel plate 9-2 is fixing by fastening bolt and steel fibrous concrete layer 7.
Described shaped steel 3 is C shaped steel or E shaped steel or F shaped steel or Z-shape steel or RG shaped steel
Between described fixed fingers plate 5 and steel fibrous concrete layer 7, be also provided with stainless steel slide plate 6, movable comb tooth plate 1 has free sliding degree on stainless steel slide plate 6.
In the specific implementation, referring to accompanying drawing 3, comb-tooth bridge expansion device comprises movable comb tooth plate 1 and fixed fingers plate 5, movable comb tooth plate 1 one end is fixed on the first beam body 8-1 by anchoring assembly, the other end is arranged on the second beam body 8-2 above and can moves with respect to the second beam body 8-2, friction factor when stainless steel slide plate 6 can reduce movable comb tooth plate 1 and moves, durability is provided, fixed fingers plate 5 is fixed on the second beam body 8-2 by anchoring assembly 2, first, between the second beam body, be provided with shaped steel 3 and caulking gum band 4, caulking gum band 4 both sides are inlaid in the type mouth of shaped steel 3.For improving water resistance, caulking gum band 4 also can be made into porous or sandwich construction.When beam body space changes, stretching device fixed thereon is along with producing telescopic displacement, can between movable comb tooth plate 1 and fixed fingers plate 5, produce flexible gap, caulking gum band 4 is the free-extension along with the variation in beam-ends gap also, and by the two ends of ponding guide extension device, prevent the bottom of current direction beam body.In the time that the caulking gum band 4 of stretching device occurs that the problem such as damaged or aging needs repairing or changes, first turning on anchoring assembly 2 unloads movable comb tooth plate 1, caulking gum band 4 is pulled out in the type mouth of shaped steel 3, then new caulking gum band 4 both sides are packed in the type mouth of shaped steel 3, finally movable comb tooth plate 1 is retightened by anchoring assembly 2, stretching device can recover normal work.
Referring to the multi-directional deflection type comb-tooth bridge expansion device with waterproof structure shown in accompanying drawing 4, shown in this stretching device structure and Fig. 3, structure is roughly the same, it is upper that difference is that movable comb tooth plate 1 one end is fixed on the first beam body 8-1 by multi-directional deflection mechanism, and the other end is arranged on the second beam body 8-2 above and can moves with respect to the second beam body 8-2.Multi-directional deflection mechanism comprises elastic support 9-1, be embedded in the upper steel plate 9-3 of elastic support 9-1 upper surface and be fixed on the lower steel plate 9-2 of elastic support 9-1 lower surface, movable comb tooth plate 1 is fixed by bolt and upper steel plate 9-3, and lower steel plate 9-2 is fixing by fastening bolt and steel fibrous concrete layer 7.This elastic support 9-1 can be alleviated the impact of vehicle to stretching device in the time having vehicle to pass through, and increases the application life of stretching device; In the time that beam body rocks, elastic support 9-1 produces horizontal shear distortion can be with beam body generation transverse shifting, and the destruction of while effectively having avoided beam body, under the External Force Actings such as wind-force, transverse shakiness occurs, stretching device having been caused, guarantees that vehicle safety passes through; In the time that beam end of body rises or sink, elastic support 9-1 produces the relative position of vertical shearing deformation adjustment stretching device, to adapt to the vertical corner of beam body, the stability that lifting vehicle is current.The waterproof construction of the type stretching device is as follows: between first, second beam body, be provided with shaped steel 3 and caulking gum band 4, caulking gum band 4 both sides are inlaid in the type mouth of shaped steel 3.When beam body space changes, stretching device fixed thereon is along with producing telescopic displacement, can between movable comb tooth plate 1 and fixed fingers plate 5, produce flexible gap, caulking gum band 4 is the free-extension along with the variation in beam-ends gap also, and by the two ends of ponding guide extension device, prevent the bottom of current direction beam body.In the time that the caulking gum band 4 of stretching device occurs that the problem such as damaged or aging needs repairing or changes, first turning on anchoring assembly 2 unloads movable comb tooth plate 1, caulking gum band 4 is pulled out in the type mouth of shaped steel 3, then new caulking gum band 4 both sides are packed in the type mouth of shaped steel 3, finally movable comb tooth plate 1 is retightened by anchoring assembly 2, stretching device can recover normal work.
Claims (6)
1. one kind has the comb-tooth bridge expansion device of waterproof structure, structure comprises the fixed fingers plate (5) and the movable comb tooth plate (1) that are arranged in pairs in bridge beam gap two curb girder body upper surfaces, and connect the elastic water-proof structure between two beam bodies, movable comb tooth plate (1) strides across gap between two beam bodies and the broach of fixed fingers plate (5) is crisscross arranged, it is characterized in that: described elastic water-proof structure comprises the shaped steel (3) that is arranged at movable comb tooth plate (1) below and is fixed on two curb girder end of bodies, and the caulking gum band (4) that matches of two ends and shaped steel (3) type mouth.
2. a kind of comb-tooth bridge expansion device with waterproof structure according to claim 1, it is characterized in that: on described bridge beam gap two curb girder bodies, be provided with steel fibrous concrete layer (7), it is upper that fixed fingers plate (5) and movable comb tooth plate (1) are arranged at steel fibrous concrete layer (7) by anchoring assembly (2), and shaped steel (3) is fixed in the steel fibrous concrete layer (7) of two beam end of bodies.
3. a kind of comb-tooth bridge expansion device with waterproof structure according to claim 1, it is characterized in that: on described bridge beam gap two curb girder bodies, be provided with steel fibrous concrete layer (7), fixed fingers plate (5) is fixed on steel fibrous concrete layer (7) by anchoring assembly (2), it is upper that movable comb tooth plate (1) is arranged at steel fibrous concrete layer (7) by multi-directional deflection mechanism, and shaped steel (3) is fixed in the steel fibrous concrete layer (7) of two beam end of bodies.
4. a kind of comb-tooth bridge expansion device with waterproof structure according to claim 3, it is characterized in that: described multi-directional deflection mechanism comprises the reeded elastic support of upper surface band (9-1), be embedded in the upper steel plate (9-3) in elastic support (9-1) groove and be fixed on the lower steel plate (9-2) of elastic support (9-1) lower surface, movable comb tooth plate (1) is fixing by bolt and upper steel plate (9-3), and lower steel plate (9-2) is fixing by fastening bolt and steel fibrous concrete layer (7).
5. a kind of comb-tooth bridge expansion device with waterproof structure according to claim 1, is characterized in that: described shaped steel (3) is C shaped steel or E shaped steel or F shaped steel or Z-shape steel or RG shaped steel.
6. according to a kind of comb-tooth bridge expansion device with waterproof structure described in claim 2 or 3, it is characterized in that: between described fixed fingers plate (5) and steel fibrous concrete layer (7), be also provided with stainless steel slide plate (6), movable comb tooth plate (1) has free sliding degree on stainless steel slide plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758470.5U CN203613455U (en) | 2013-11-27 | 2013-11-27 | Comb tooth type bridge expansion device with novel waterproof structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758470.5U CN203613455U (en) | 2013-11-27 | 2013-11-27 | Comb tooth type bridge expansion device with novel waterproof structure |
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| CN203613455U true CN203613455U (en) | 2014-05-28 |
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| CN201320758470.5U Expired - Lifetime CN203613455U (en) | 2013-11-27 | 2013-11-27 | Comb tooth type bridge expansion device with novel waterproof structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480855A (en) * | 2014-09-16 | 2015-04-01 | 刘祖江 | Cantilever type multidirectional displacement bolt-free comb plate extensible device and installation method thereof |
| CN104975569A (en) * | 2015-07-01 | 2015-10-14 | 苏州大学 | Method for constructing shape steel telescopic device for elevated highway bridge floor |
| CN107974935A (en) * | 2017-12-11 | 2018-05-01 | 中国水利水电第十工程局有限公司 | A kind of SF combs flute profile telescopic device and its construction method of installation |
| CN108914768A (en) * | 2018-07-26 | 2018-11-30 | 广东德利路桥装备科技有限公司 | A kind of high damping vibration attenuation noise reduction multi-directional deflection telescopic device |
| CN109338878A (en) * | 2018-12-26 | 2019-02-15 | 杨胜 | A kind of interdigitated electrode structure Multidirectional displacement bridge expansion device |
-
2013
- 2013-11-27 CN CN201320758470.5U patent/CN203613455U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104480855A (en) * | 2014-09-16 | 2015-04-01 | 刘祖江 | Cantilever type multidirectional displacement bolt-free comb plate extensible device and installation method thereof |
| CN104975569A (en) * | 2015-07-01 | 2015-10-14 | 苏州大学 | Method for constructing shape steel telescopic device for elevated highway bridge floor |
| CN107974935A (en) * | 2017-12-11 | 2018-05-01 | 中国水利水电第十工程局有限公司 | A kind of SF combs flute profile telescopic device and its construction method of installation |
| CN108914768A (en) * | 2018-07-26 | 2018-11-30 | 广东德利路桥装备科技有限公司 | A kind of high damping vibration attenuation noise reduction multi-directional deflection telescopic device |
| CN109338878A (en) * | 2018-12-26 | 2019-02-15 | 杨胜 | A kind of interdigitated electrode structure Multidirectional displacement bridge expansion device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hengshui City, Hebei Province, 053000 North Park industrial base Taocheng District Road No. 9 Patentee after: SINO RUBBER TECHNOLOGY Co.,Ltd. Address before: 053000 Daqing East Road, Hebei, China, No. 27, No. Patentee before: HENGSHUI RUBBER Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140528 |
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| CX01 | Expiry of patent term |