CN203593949U - Multifunctional anti-seismic beam-falling-off prevention device - Google Patents
Multifunctional anti-seismic beam-falling-off prevention device Download PDFInfo
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- CN203593949U CN203593949U CN201320825583.2U CN201320825583U CN203593949U CN 203593949 U CN203593949 U CN 203593949U CN 201320825583 U CN201320825583 U CN 201320825583U CN 203593949 U CN203593949 U CN 203593949U
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Abstract
The utility model belongs to the technical field of bridge accessories, and particularly relates to a multifunctional anti-seismic beam-falling-off prevention device. The device is mainly and technically characterized by comprising beam-falling-off prevention stop blocks, wherein the upper ends of the beam-falling-off prevention stop blocks are fixed to beams, and the lower ends of the beam-falling-off prevention stop blocks are arranged on the side faces of a bearing supporting cushion in a stopping mode; bridge piers on the outer sides of the two beam-falling-off prevention stop blocks of the adjacent beams are fixedly provided with outer-side force bearing seats provided with first through holes; the beam-falling-off prevention stop blocks are provided with second through holes; connecting rods which penetrate through the first through holes and the second through holes are arranged between the two outer-side force bearing seats, and the two ends of each connecting rod are provided with lock nuts; the positions, between the outer-side force bearing seats and the beam-falling-off prevention stop blocks, of the connecting rods are provided with elastic damping mechanisms. When action force is exerted on a bridge in all directions, the device can well prevent the beams from falling off, so that the anti-seismic performance of the bridge is improved, and the service life of the bridge is prolonged.
Description
Technical field
The utility model belongs to bridge accessory technical field, relates in particular to a kind of Multifunctional shockproof anti-fall girder apparatus.
Background technology
Traffic is economic life line of the country, and bridge is the spine in economic lifeline.In the time that earthquake occurs, bridge has occurred to collapse, and has interrupted traffic, and this loss that earthquake relief work and post-disaster reconstruction are caused is huge, immeasurable.Bridge girder falling technology is constantly updated along with the raising of people to destructive power of the earthquake understanding.Current antidetonation anti-fall girder apparatus is the fixing beam falling prevention stopping block of upper end and beam body, under beam falling prevention stopping block, terminal block is at seat supports pinner medial surface, when beam body occurring to bearing one side when stressed, beam falling prevention stopping block withstands on seat supports pinner medial surface, prevent that beam body from coming off, in the time of displacement on beam body generation vertical direction, same beam falling prevention stopping block also can prevent that beam body from coming off or misplacing, and seismic forces is multi-faceted to the impact of bridge, different geological conditionss, time, region, earthquake intensitys etc. are Protean to the failure mode of bridge, when two beam bodies are subject to force direction in the time being parallel to two bearing line directions, beam falling prevention stopping block can not be spacing to beam body, cause beam body to come off.
Utility model content
The technical problem that the utility model solves be just to provide a kind of destruction that can adapt to various seismic forcess, can comprehensive restrainer Multifunctional shockproof anti-fall girder apparatus.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise the beam falling prevention stopping block that upper end and beam body are fixing, the lower terminal block of this beam falling prevention stopping block is in the side of seat supports pinner, on bridge pier outside two beam falling prevention stopping blocks of adjacent beams body, be fixed with the stressed seat in outside with the first through hole, on described beam falling prevention stopping block, be provided with the second through hole, between the stressed seat in described two outsides, be provided with the connecting rod through the first through hole and the second through hole, two ends at described connecting rod are provided with locknut, on the connecting rod between the stressed seat in described outside and described beam falling prevention stopping block, be provided with elastic damping mechanism.
Its additional technical feature is:
Described elastic damping mechanism comprises and is positioned at spring and damping buffer;
Described damping buffer is rubber-type damping buffer, hydraulic damping buffer or energy-dissipating type damping buffer;
On bridge pier inside two beam falling prevention stopping blocks of adjacent beams body, be fixed with the stressed seat in centre with third through-hole, described connecting rod is through described third through-hole;
In described the second through hole and described third through-hole, be provided with shear ring.
Multifunctional shockproof anti-fall girder apparatus provided by the utility model compared with prior art, have the following advantages: one, due to the beam falling prevention stopping block that comprises that upper end and beam body are fixing, the lower terminal block of this beam falling prevention stopping block is in the side of seat supports pinner, on bridge pier outside two beam falling prevention stopping blocks of adjacent beams body, be fixed with the stressed seat in outside with the first through hole, on described beam falling prevention stopping block, be provided with the second through hole, between the stressed seat in described two outsides, be provided with the connecting rod through the first through hole and the second through hole, two ends at described connecting rod are provided with locknut, on the connecting rod between the stressed seat in described outside and described beam falling prevention stopping block, be provided with elastic damping mechanism, in the time of active force in occurred level cross-bridges direction, beam falling prevention stopping block withstands on the side of seat supports pinner, can effectively prevent that beam body from coming off, when occur on vertical direction active force time, pass through beam falling prevention stopping block, the stressed seat in connecting rod and outside is connected as a single entity beam body and bridge pier in the vertical direction, prevent that the external force on vertical direction from causing Liang Tishang to move, make the lower edge of beam falling prevention stopping block be positioned at all the time the side of seat supports pinner, prevent that beam body from coming off, in the time there is the active force of going up along the bridge, adjacent beams body is connected as a single entity along the bridge in level by the beam falling prevention stopping block on connecting rod and each beam body, beam falling prevention stopping block occurs to slide along the bridge along connecting rod, under the effect of the stressed seat in outside and elastic damping mechanism, limit beam body edge sliding distance along the bridge, prevented that beam body from coming off.The two ends of connecting rod are with locknut, make two beam bodies be not easy to occur shifted laterally, and elastic damping mechanism can make mobile beam body recover origin-location, increase the self-repair function of bridge, in the time that bridge is subject to the active force of all directions, can avoid well beam body to come off, improve the anti-seismic performance of bridge, extend application life; They are two years old, on bridge pier due to two beam falling prevention stopping block inner sides at adjacent beams body, be fixed with the stressed seat in centre with third through-hole, described connecting rod, through described third through-hole, plays good positioning function to connecting rod, has avoided the excessive connecting rod twist that causes of strength; Its three, owing to being provided with shear ring in described the second through hole and described third through-hole, improved the anti-shear ability of connecting rod, extended connecting rod application life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Multifunctional shockproof anti-fall girder apparatus;
Fig. 2 is the left view that is positioned at stressed seat outside right side;
The right view of Fig. 3 stressed seat in the middle of being.
The specific embodiment
Below in conjunction with accompanying drawing, structure and the use principle of the utility model Multifunctional shockproof anti-fall girder apparatus are described in further details.
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model Multifunctional shockproof anti-fall girder apparatus, comprise the beam falling prevention stopping block 2 that upper end and beam body 1 are fixing, the lower terminal block of this beam falling prevention stopping block 2 is in the side of seat supports pinner 3, on the bridge pier 11 in two beam falling prevention stopping block 2 outsides of adjacent beams body 1, be fixed with the stressed seat 5 in outside with the first through hole 4, on beam falling prevention stopping block 2, be provided with the second through hole 6, between two stressed seats 5 in outside, be provided with the connecting rod 7 through the first through hole 4 and the second through hole 6, be provided with locknut 8 at the two ends of connecting rod 7, on the connecting rod 7 between the stressed seat 5 in outside and beam falling prevention stopping block 2, be provided with elastic damping mechanism 9.In the time of active force in occurred level cross-bridges direction, beam falling prevention stopping block 2 withstands on the side of seat supports pinner 3, can effectively prevent that beam body from coming off, when occur on vertical direction active force time, by the stressed seat 5 in beam falling prevention stopping block 2, connecting rod 7 and outside, beam body 1 and bridge pier 11 in the vertical directions are connected as a single entity, prevent that the external force on vertical direction from causing Liang Tishang to move, made the lower edge of beam falling prevention stopping block 2 be positioned at all the time the side of seat supports pinner 3, prevented that beam body from coming off; In the time there is the active force of going up along the bridge, adjacent beams body is connected as a single entity along the bridge in level by the beam falling prevention stopping block 2 on connecting rod 7 and each beam body 1, beam falling prevention stopping block 2 occurs to slide along the bridge along connecting rod 7, under the effect of the stressed seat 5 in outside and elastic damping mechanism 9, limit beam body edge sliding distance along the bridge, prevented that beam body from coming off.The two ends of connecting rod 7, with locknut 8, make two beam bodies be not easy to occur shifted laterally, and elastic damping mechanism 9 can make mobile beam body recover origin-location, have increased the self-repair function of bridge.Like this, in the time that bridge is subject to the active force of all directions, can avoid well beam body to come off, improve the anti-seismic performance of bridge, extend application life.
On the bridge pier 11 of two beam falling prevention stopping block 2 inner sides of adjacent beams body 1, be fixed with the stressed seat 13 in centre with third through-hole 12, connecting rod 7, through described third through-hole 12, plays good positioning function to connecting rod, has avoided excessive connecting rod 7 torsional deformations that cause of strength.
In the second through hole 6 and described third through-hole 12, be provided with shear ring 14, improved the anti-shear ability of connecting rod 7, extended the application life of connecting rod 7.
Protection domain of the present utility model is not only confined to above-described embodiment, as long as structure is identical with the structure of the utility model Multifunctional shockproof anti-fall girder apparatus, just drops on the scope of the utility model protection.
Claims (5)
1. Multifunctional shockproof anti-fall girder apparatus, comprise the beam falling prevention stopping block that upper end and beam body are fixing, the lower terminal block of this beam falling prevention stopping block is in the side of seat supports pinner, it is characterized in that: on the bridge pier outside two beam falling prevention stopping blocks of adjacent beams body, be fixed with the stressed seat in outside with the first through hole, on described beam falling prevention stopping block, be provided with the second through hole, between the stressed seat in described two outsides, be provided with the connecting rod through the first through hole and the second through hole, two ends at described connecting rod are provided with locknut, on the connecting rod between the stressed seat in described outside and described beam falling prevention stopping block, be provided with elastic damping mechanism.
2. Multifunctional shockproof anti-fall girder apparatus according to claim 1, is characterized in that: described elastic damping mechanism comprises and is positioned at spring and damping buffer.
3. Multifunctional shockproof anti-fall girder apparatus according to claim 2, is characterized in that: described damping buffer is rubber-type damping buffer, hydraulic damping buffer or energy-dissipating type damping buffer.
4. Multifunctional shockproof anti-fall girder apparatus according to claim 1, is characterized in that: on the bridge pier inside two beam falling prevention stopping blocks of adjacent beams body, be fixed with the stressed seat in centre with third through-hole, described connecting rod is through described third through-hole.
5. Multifunctional shockproof anti-fall girder apparatus according to claim 4, is characterized in that: in described the second through hole and described third through-hole, be provided with shear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825583.2U CN203593949U (en) | 2013-12-16 | 2013-12-16 | Multifunctional anti-seismic beam-falling-off prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825583.2U CN203593949U (en) | 2013-12-16 | 2013-12-16 | Multifunctional anti-seismic beam-falling-off prevention device |
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| Publication Number | Publication Date |
|---|---|
| CN203593949U true CN203593949U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825583.2U Expired - Fee Related CN203593949U (en) | 2013-12-16 | 2013-12-16 | Multifunctional anti-seismic beam-falling-off prevention device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507135A (en) * | 2016-01-29 | 2016-04-20 | 石家庄铁道大学 | Seismic isolation control method having anti-girder-falling and anti-collision functions and seismic isolation control structure |
| CN105951580A (en) * | 2016-06-24 | 2016-09-21 | 西南交通大学 | Energy dissipation self-reset anti-seismic retaining block structure for bridge |
| CN106049253A (en) * | 2016-05-11 | 2016-10-26 | 清华大学 | Longitudinal connecting structure for preventing reinforced concrete simply-supported beam bridge from falling and construction method of longitudinal connecting structure |
| CN106351114A (en) * | 2016-09-26 | 2017-01-25 | 石家庄铁道大学 | Multi-level anti-seismic device capable of preventing bridge from colliding and falling |
| CN107268423A (en) * | 2017-07-13 | 2017-10-20 | 中交公路养护工程技术有限公司 | One kind can reset bridge block |
| CN108867338A (en) * | 2018-09-10 | 2018-11-23 | 张美玲 | A kind of bridge cushioning device |
| CN109208460A (en) * | 2018-10-22 | 2019-01-15 | 北方民族大学 | A kind of bridge earthquake resistance device facilitating maintenance |
| CN111945548A (en) * | 2020-08-19 | 2020-11-17 | 温州砼程维禹科技有限公司 | Single-column pier bridge anti-overturning beam falling device |
| CN112144379A (en) * | 2020-09-25 | 2020-12-29 | 中国地震局工程力学研究所 | Assembled buffering beam falling prevention device |
| CN112160232A (en) * | 2020-09-24 | 2021-01-01 | 中国地震局工程力学研究所 | Embedded roof beam device that falls is prevented |
| 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 |
| CN114960396A (en) * | 2022-04-26 | 2022-08-30 | 中铁第四勘察设计院集团有限公司 | Elasticity and locking limit constraint structure system of cable-stayed bridge |
-
2013
- 2013-12-16 CN CN201320825583.2U patent/CN203593949U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507135A (en) * | 2016-01-29 | 2016-04-20 | 石家庄铁道大学 | Seismic isolation control method having anti-girder-falling and anti-collision functions and seismic isolation control structure |
| CN105507135B (en) * | 2016-01-29 | 2017-11-21 | 石家庄铁道大学 | Subtract shock insulation control method and structure with girder falling and anti-collision |
| CN106049253A (en) * | 2016-05-11 | 2016-10-26 | 清华大学 | Longitudinal connecting structure for preventing reinforced concrete simply-supported beam bridge from falling and construction method of longitudinal connecting structure |
| CN105951580A (en) * | 2016-06-24 | 2016-09-21 | 西南交通大学 | Energy dissipation self-reset anti-seismic retaining block structure for bridge |
| CN106351114A (en) * | 2016-09-26 | 2017-01-25 | 石家庄铁道大学 | Multi-level anti-seismic device capable of preventing bridge from colliding and falling |
| CN107268423A (en) * | 2017-07-13 | 2017-10-20 | 中交公路养护工程技术有限公司 | One kind can reset bridge block |
| CN108867338A (en) * | 2018-09-10 | 2018-11-23 | 张美玲 | A kind of bridge cushioning device |
| CN109208460A (en) * | 2018-10-22 | 2019-01-15 | 北方民族大学 | A kind of bridge earthquake resistance device facilitating maintenance |
| CN111945548A (en) * | 2020-08-19 | 2020-11-17 | 温州砼程维禹科技有限公司 | Single-column pier bridge anti-overturning beam falling device |
| CN112160232A (en) * | 2020-09-24 | 2021-01-01 | 中国地震局工程力学研究所 | Embedded roof beam device that falls is prevented |
| CN112160232B (en) * | 2020-09-24 | 2021-11-09 | 中国地震局工程力学研究所 | Embedded roof beam device that falls is prevented |
| CN112144379A (en) * | 2020-09-25 | 2020-12-29 | 中国地震局工程力学研究所 | Assembled buffering beam falling prevention device |
| 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 |
| CN114960396A (en) * | 2022-04-26 | 2022-08-30 | 中铁第四勘察设计院集团有限公司 | Elasticity and locking limit constraint structure system of cable-stayed bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20181216 |