CN204608592U - A kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus - Google Patents
A kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus Download PDFInfo
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- CN204608592U CN204608592U CN201520246785.0U CN201520246785U CN204608592U CN 204608592 U CN204608592 U CN 204608592U CN 201520246785 U CN201520246785 U CN 201520246785U CN 204608592 U CN204608592 U CN 204608592U
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- corrugated steel
- bridge pier
- beam body
- steel slab
- embedded steel
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Abstract
The utility model discloses a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, comprise bridge pier pre-embedded steel slab, beam body pre-embedded steel slab and corrugated steel, bridge pier pre-embedded steel slab is connected with bridge pier, beam body pre-embedded steel slab is connected with beam body, one end of corrugated steel is connected with bridge pier pre-embedded steel slab, corrugated steel is laid along the bearing of trend of beam body, ripple on corrugated steel and the length direction of corrugated steel perpendicular, connecting rod and lower link is provided with between corrugated steel and beam body pre-embedded steel slab, one end of lower link and corrugated steel are hinged away from one end of bridge pier pre-embedded steel slab, the other end of lower link and the lower end of upper connecting rod are hinged, upper end and the beam body pre-embedded steel slab of upper connecting rod are hinged, lower link is inclined upwardly away from one end of corrugated steel, the lower end of described upper connecting rod is to the lopsidedness near corrugated steel.The double action that this bridge energy-dissipating and shock-absorbing anti-fall girder apparatus structure is simple, easy to use, have energy-dissipating and shock-absorbing and restrainer, is convenient to promote the use of.
Description
Technical field
The utility model relates to a kind of anti-fall girder apparatus, is specifically related to a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus.
Background technology
The beam that falls is the serious bridge earthquake of one that earthquake causes, and its substructure of the superstructure referring to bridge and supporting departs from, and namely girder departs from bridge pier or abutment, cause girder unsettled, fracture, or the phenomenon of falling.The main cause of beam of falling is that geological process causes relative displacement between the bridge pier of top beam body and bottom or abutment excessive, if avoid beam by the means increasing bearing length, then need to increase bridge pier or abutment size, economy is poor.
The shortcomings such as existing anti-fall girder apparatus, also exists energy consumption effect difference, and fabrication and installation are complicated.Such as a kind of bridge girder falling stopping means of the prior art, uses anchor chain and rubber bodies to form stopping means.When this stopping means plays a role, because component itself cannot consume energy, comparatively large to structural impact power, easily cause structure generation local failure, and then cause anti-fall girder apparatus to lose efficacy.Another elastoplasticity girder falling damping reinforcement device in prior art, adopt vulcanized rubber parcel chain, link bridge pier and beam body, and rubber is under the effect of seismic forces, its energy consumption effect is limited, easily equally causes local failure to beam body or bridge pier.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus.The double action that this bridge energy-dissipating and shock-absorbing anti-fall girder apparatus structure is simple, easy to use, have energy-dissipating and shock-absorbing and restrainer, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, it is characterized in that: comprise bridge pier pre-embedded steel slab, beam body pre-embedded steel slab and corrugated steel, described bridge pier pre-embedded steel slab is connected with bridge pier, described beam body pre-embedded steel slab is connected with beam body, one end of described corrugated steel is connected with bridge pier pre-embedded steel slab, described corrugated steel is laid along the bearing of trend of beam body, ripple on described corrugated steel and the length direction of corrugated steel perpendicular, connecting rod and lower link is provided with between described corrugated steel and beam body pre-embedded steel slab, one end of described lower link and corrugated steel are hinged away from one end of bridge pier pre-embedded steel slab, the other end of described lower link and the lower end of upper connecting rod are hinged, upper end and the beam body pre-embedded steel slab of described upper connecting rod are hinged, described lower link is inclined upwardly away from one end of corrugated steel, the lower end of described upper connecting rod is to the lopsidedness near corrugated steel.
Above-mentioned a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, it is characterized in that: described corrugated steel comprises corrugated steel body, one end of described corrugated steel body is provided with the first connecting portion for being connected with bridge pier pre-embedded steel slab, the other end of described corrugated steel body is provided with the second connecting portion for being connected with lower link, described first connecting portion offers multiple first bolt hole, described bridge pier pre-embedded steel slab offers multiple second bolts hole laid with described first bolt hole one_to_one corresponding, described first bolt hole and described second bolt hole are corresponding thereto bolted.
Above-mentioned a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, is characterized in that: described bolt adopts high-strength bolt.
Above-mentioned a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, is characterized in that: multiple described first bolt hole and multiple described second bolt hole is uniform is set to row.
Above-mentioned a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, is characterized in that: described bridge pier pre-embedded steel slab is connected with the reinforcement welding in bridge pier, described beam body pre-embedded steel slab is connected with the reinforcement welding in beam body.
Above-mentioned a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, is characterized in that: described corrugated steel adopts low yield point steel plate to make.
The utility model compared with prior art has the following advantages:
1, structure of the present utility model is simple, rationally novel in design.
2, the utility model is when without geological process, causes relative displacement small between beam body and bridge pier by temperature and concrete shrinkage and creep, now goes up the distortion be suitable between bridge pier and beam body that to relatively rotate between connecting rod and lower link.Under geological process, between beam body and bridge pier, relative displacement is larger, when upper connecting rod and lower link linearly after corrugated steel start to be stretched, corrugated steel can produce larger longitudinal strain and then can earthquake energy, alleviate the direct effect power of seismic energy to bridge pier, serve energy-dissipating and shock-absorbing, restrainer effect.
3, the utility model corrugated steel is connected with bridge pier pre-embedded steel slab bolt, facilitates replacing, and multiple bolt is a row laying, improves connection effect.
4, of the present utility model to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the utility model structure is simple, and rationally novel in design, functional reliability is high, long service life, and girder falling is effective, has energy-dissipating and shock-absorbing function, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is using state schematic diagram of the present utility model.
Description of reference numerals:
1-bridge pier pre-embedded steel slab; 2-bolt; 3-corrugated steel;
3-1-corrugated steel body; 3-2-the first connecting portion; 3-3-the second connecting portion;
4-the first bearing pin; 5-lower link; 6-the second bearing pin;
7-upper connecting rod; 8-the three bearing pin; 9-beam body pre-embedded steel slab;
10-bridge pier; 11-beam body.
Detailed description of the invention
As Fig. 1, a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus shown in Fig. 2 and Fig. 3, comprise bridge pier pre-embedded steel slab 1, beam body pre-embedded steel slab 9 and corrugated steel 3, described bridge pier pre-embedded steel slab 1 is connected with bridge pier 10, described beam body pre-embedded steel slab 9 is connected with beam body 11, one end of described corrugated steel 3 is connected with bridge pier pre-embedded steel slab 1, described corrugated steel 3 is laid along the bearing of trend of beam body 11, ripple on described corrugated steel 3 and the length direction of corrugated steel 3 perpendicular, connecting rod 7 and lower link 5 is provided with between described corrugated steel 3 and beam body pre-embedded steel slab 9, one end of described lower link 5 and corrugated steel 3 are hinged away from one end of bridge pier pre-embedded steel slab 1, the other end of described lower link 5 and the lower end of upper connecting rod 7 are hinged, upper end and the beam body pre-embedded steel slab 9 of described upper connecting rod 7 are hinged, described lower link 5 is inclined upwardly away from one end of corrugated steel 3, the lower end of described upper connecting rod 7 is to the lopsidedness near corrugated steel 3.
In the present embodiment, described lower link 5 is hinged with bridge pier pre-embedded steel slab 1 by the first bearing pin 4, and described lower link 5 is hinged by the second bearing pin 6 with upper connecting rod 7, and described upper connecting rod 7 is hinged with beam body pre-embedded steel slab 9 by the 3rd bearing pin 8.
In the present embodiment, this bridge with energy-dissipating and shock-absorbing anti-fall girder apparatus in use, because described lower link 5 one end away from corrugated steel 3 is inclined upwardly, the lower end of described upper connecting rod 7 is to the lopsidedness near corrugated steel 3, namely the angle α gone up between connecting rod 7 and lower link 5 is greater than 90 degree, is less than 180 degree.When without geological process, relative displacement small between beam body 11 and bridge pier 10 is caused by temperature and concrete shrinkage and creep, now go up between connecting rod 7 and lower link 5 and relatively rotate, angle α between upper connecting rod 7 and lower link 5 changes with the distortion be suitable between bridge pier 10 and beam body 11, now, corrugated steel 3 does not stress.Under geological process, between beam body 11 and bridge pier 10, relative displacement is larger, when upper connecting rod 7 and lower link 5 linearly after (the angle α namely gone up between connecting rod 7 and lower link 5 is increased to 180 degree) corrugated steel 3 start to be stretched, on corrugated steel 3, ripple produces plastic strain, namely corrugated steel 3 can produce larger longitudinal strain and then can earthquake energy, alleviate the direct effect power of seismic energy to bridge pier 10, serve energy-dissipating and shock-absorbing, restrainer effect.
In the present embodiment, the length of corrugated steel 3 should meet following requirement, when namely corrugated steel 3 produces maximum distortion, still remains with certain bearing length between beam body 11 and bridge pier 10.The yield strength of corrugated steel 3 should lower than the yield strength of bridge pier pre-embedded steel slab 1 and beam body pre-embedded steel slab 9, and under ensureing geological process, corrugated steel 3 produces distortion, with earthquake energy prior to bridge pier pre-embedded steel slab 1 and beam body pre-embedded steel slab 9.
As shown in Figure 1, described corrugated steel 3 comprises corrugated steel body 3-1, one end of described corrugated steel body 3-1 is provided with the first connecting portion 3-2 for being connected with bridge pier pre-embedded steel slab 1, the other end of described corrugated steel body 3-1 is provided with the second connecting portion 3-3 for being connected with lower link 5, described first connecting portion 3-2 offers multiple first bolt hole, described bridge pier pre-embedded steel slab 1 offers multiple second bolts hole laid with described first bolt hole one_to_one corresponding, described first bolt hole is connected by bolt 2 with described second bolt hole corresponding thereto.
In the present embodiment, described bolt 2 adopts high-strength bolt.Multiple described first bolt hole and multiple described second bolt hole is uniform is set to row.
In the present embodiment, described bridge pier pre-embedded steel slab 1 is connected with the reinforcement welding in bridge pier 10, and described beam body pre-embedded steel slab 9 is connected with the reinforcement welding in beam body 11.
In the present embodiment, described corrugated steel 3 adopts low yield point steel plate, as Q235 steel plate.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a bridge energy-dissipating and shock-absorbing anti-fall girder apparatus, it is characterized in that: comprise bridge pier pre-embedded steel slab (1), beam body pre-embedded steel slab (9) and corrugated steel (3), described bridge pier pre-embedded steel slab (1) is connected with bridge pier (10), described beam body pre-embedded steel slab (9) is connected with beam body (11), one end of described corrugated steel (3) is connected with bridge pier pre-embedded steel slab (1), described corrugated steel (3) is laid along the bearing of trend of beam body (11), the length direction of the ripple on described corrugated steel (3) and corrugated steel (3) is perpendicular, connecting rod (7) and lower link (5) is provided with between described corrugated steel (3) and beam body pre-embedded steel slab (9), one end of described lower link (5) and corrugated steel (3) are hinged away from one end of bridge pier pre-embedded steel slab (1), the other end of described lower link (5) and the lower end of upper connecting rod (7) are hinged, upper end and the beam body pre-embedded steel slab (9) of described upper connecting rod (7) are hinged, described lower link (5) is inclined upwardly away from one end of corrugated steel (3), the lower end of described upper connecting rod (7) is to the lopsidedness near corrugated steel (3).
2. a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus according to claim 1, it is characterized in that: described corrugated steel (3) comprises corrugated steel body (3-1), one end of described corrugated steel body (3-1) is provided with the first connecting portion (3-2) for being connected with bridge pier pre-embedded steel slab (1), the other end of described corrugated steel body (3-1) is provided with the second connecting portion (3-3) for being connected with lower link (5), described first connecting portion (3-2) offers multiple first bolt hole, described bridge pier pre-embedded steel slab (1) offers multiple second bolts hole laid with described first bolt hole one_to_one corresponding, described first bolt hole is connected by bolt (2) with described second bolt hole corresponding thereto.
3. a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus according to claim 2, is characterized in that: described bolt (2) adopts high-strength bolt.
4. a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus according to claim 2, is characterized in that: multiple described first bolt hole and multiple described second bolt hole is uniform is set to row.
5. a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus according to claim 1, it is characterized in that: described bridge pier pre-embedded steel slab (1) is connected with the reinforcement welding in bridge pier (10), described beam body pre-embedded steel slab (9) is connected with the reinforcement welding in beam body (11).
6. a kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus according to claim 1, is characterized in that: described corrugated steel (3) adopts low yield point steel plate to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246785.0U CN204608592U (en) | 2015-04-22 | 2015-04-22 | A kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520246785.0U CN204608592U (en) | 2015-04-22 | 2015-04-22 | A kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus |
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| CN204608592U true CN204608592U (en) | 2015-09-02 |
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| CN201520246785.0U Expired - Fee Related CN204608592U (en) | 2015-04-22 | 2015-04-22 | A kind of bridge energy-dissipating and shock-absorbing anti-fall girder apparatus |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083000A (en) * | 2018-09-14 | 2018-12-25 | 石家庄铁道大学 | A kind of combined multi-stage antidetonation bridge anticollision and fall girder apparatus based on BRB technology |
| CN110055879A (en) * | 2019-05-31 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of anti-fall girder apparatus unidirectionally to consume energy |
| CN110055880A (en) * | 2019-05-31 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of railroad bridge damping energy consumption anti-fall girder apparatus |
| CN111981082A (en) * | 2020-08-24 | 2020-11-24 | 湖南大学 | Damper vibration reduction system for inhibiting vertical vibration of bridge girder |
| CN112523070A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
| CN114000414A (en) * | 2021-11-25 | 2022-02-01 | 中南大学 | Staged energy-consumption high-speed rail bridge steel bar damping device capable of being replaced quickly and application method |
-
2015
- 2015-04-22 CN CN201520246785.0U patent/CN204608592U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083000A (en) * | 2018-09-14 | 2018-12-25 | 石家庄铁道大学 | A kind of combined multi-stage antidetonation bridge anticollision and fall girder apparatus based on BRB technology |
| CN110055879A (en) * | 2019-05-31 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of anti-fall girder apparatus unidirectionally to consume energy |
| CN110055880A (en) * | 2019-05-31 | 2019-07-26 | 中铁二院工程集团有限责任公司 | A kind of railroad bridge damping energy consumption anti-fall girder apparatus |
| CN110055879B (en) * | 2019-05-31 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Beam falling prevention device with unidirectional energy consumption |
| CN110055880B (en) * | 2019-05-31 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Damping energy-consumption beam falling prevention device for railway bridge |
| CN111981082A (en) * | 2020-08-24 | 2020-11-24 | 湖南大学 | Damper vibration reduction system for inhibiting vertical vibration of bridge girder |
| CN112523070A (en) * | 2020-12-16 | 2021-03-19 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
| CN114000414A (en) * | 2021-11-25 | 2022-02-01 | 中南大学 | Staged energy-consumption high-speed rail bridge steel bar damping device capable of being replaced quickly and application method |
| CN114000414B (en) * | 2021-11-25 | 2022-08-02 | 中南大学 | Staged energy-consumption high-speed rail bridge steel bar damping device capable of being replaced quickly and application method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20190422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |