CN204435205U - The anti-fall anticollision device, collision-prevention device of a kind of bridge beam body - Google Patents
The anti-fall anticollision device, collision-prevention device of a kind of bridge beam body Download PDFInfo
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- CN204435205U CN204435205U CN201520085458.1U CN201520085458U CN204435205U CN 204435205 U CN204435205 U CN 204435205U CN 201520085458 U CN201520085458 U CN 201520085458U CN 204435205 U CN204435205 U CN 204435205U
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Abstract
The utility model belongs to bridge technology field, discloses the anti-fall anticollision device, collision-prevention device of a kind of bridge beam body.Its technical characteristics is: comprise the connecting rod that can be serially connected with two beam bodies, be serially connected with collision prevention girders at the middle part of this connecting rod and subtract shock insulation module, be respectively arranged with the girder falling that can be arranged on described two external sides of beam in the both end sides of this connecting rod and subtract shock insulation module and stationary positioned block.This device can effectively can play the crashproof beam action of girder falling under the prerequisite not hindering beam body positive normal temperature variable displacement.The utility model structure is simple simultaneously, with low cost, also can be different according to regional different regions seismic force effects, and bridge load is different, and beam displacement body is different, and adjust the product mix and make it meet design parameters, be applicable to different types of rridges, range of application is more extensive.
Description
Technical field
The utility model belongs to bridge beam body component technology field, and concrete will relate to a kind of anti-fall anticollision device, collision-prevention device of bridge beam body that can prevent bridge beam body from colliding, falling.
Background technology
The especially high earthquake magnitude high strength of earthquake and occurring frequently, can produce bridge construction and destroy---and the beam that namely falls destroys and impact wreckage.The beam that falls destroys its substructure of superstructure and supporting referring to bridge and departs from, and namely girder is from bridge pier or Abutment disengaging, cause girder unsettled, fracture, or the phenomenon of falling.Impact wreckage refer to adjacent between bridge superstructure, the space namely between girder is fully compressed, occur mutually collide, cause the phenomenon that end of main beam is cracked.
In bridge earthquake resistance field, for girder falling, mechanism is mostly limited to stiffening member, as guy of twisted steel cable or rigidity chain.When stiffening member plays a role, the structure stress comprising beam body suddenly increases, and the structure of beam body not only can be caused to change, and can cause stiffening member connecting portion generation local failure simultaneously, and then cause girder falling failure mechanisms.Anti-collision mechanism is mostly limited to the collision between girder and cross spacing block forming beam body, and relates to and prevent the bridge beam body of colliding between adjacent girder from not finding.
Utility model content
The purpose of this utility model is just to provide one and relates to and can either prevent beam body from falling, and can prevent again the anti-fall anticollision device, collision-prevention device of the bridge beam body of adjacent Beam pounding.
For achieving the above object, the technical scheme that the utility model adopts is:
The anti-fall anticollision device, collision-prevention device of a kind of bridge beam body, it is characterized in that: comprise the connecting rod that can be serially connected with two beam bodies, be serially connected with collision prevention girders at the middle part of this connecting rod and subtract shock insulation module, be respectively arranged with the girder falling that can be arranged on described two external sides of beam in the both end sides of this connecting rod and subtract shock insulation module and stationary positioned block.
The additional technical feature forming the anti-fall anticollision device, collision-prevention device of above-mentioned bridge beam body also comprises:
---described collision prevention girders subtracts shock insulation module and is made up of laminated rubber cylinder;
---form packing ring at the sheet rubber forming laminated rubber cylinder both sides that described collision prevention girders subtracts shock insulation module and be provided with superposition and form;
---the entirety that described packing ring is sulfided into by sheet rubber and spaced steel liner plate circle is formed;
---described girder falling subtracts the entirety that shock insulation module is sulfided into by sheet rubber and spaced steel liner plate circle and forms;
---subtract on connecting rod that shock insulation module and collision prevention girders subtract shock insulation intermodule at described girder falling and be provided with the steel pipe that can be fixed on Liang Tizhong.
The anti-fall anticollision device, collision-prevention device of a kind of bridge beam body provided by the utility model compared with prior art has the following advantages: one, owing to forming the structure of this device by two adjacent beams body strings connecting rod together, stationary positioned block and girder falling being subtracted shock insulation module composition, therefore, it is possible to effectively control the dislocation of two beam bodies on the supporters such as bridge pier, the fall problem of beam body on bridge pier can be solved; Its two, subtract shock insulation module owing to being provided with collision prevention girders at the middle part of connecting rod forming this device, between adjacent, beam body moves inward, and the collision prevention girders between beam body subtracts shock insulation module will reduce the shock of beam body, and with limit, it moves, and prevents two curb girder bodies from mutually colliding.
Accompanying drawing explanation
Fig. 1 is the structural representation being arranged on the anti-fall anticollision device, collision-prevention device of bridge beam body on beam body.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the structure of the anti-fall anticollision device, collision-prevention device of bridge beam body provided by the utility model and operating principle are further described.
As shown in Figure 1, the structure forming the anti-fall anticollision device, collision-prevention device of bridge beam body that the utility model provides comprises, formation two bridge beam body 11 can be passed through, the web 12 at 21 both ends, 22 connecting rods 1 that these two beam bodies are serially connected, above-mentioned two beam bodies are fixed on the supporting mechanism of same bridge pier formation simultaneously, it is also above-mentioned beam body web 12 at the middle part of this connecting rod, be serially connected with collision prevention girders between 22 and subtract shock insulation module 30, be respectively arranged with in the both end sides of this connecting rod and can be arranged on above-mentioned two beam body webs 12, girder falling outside 22 subtracts shock insulation module 41, 42 and form by nut or pin the stationary positioned block 51 and 52 preventing from girder falling from subtracting shock insulation module deviating from.
During use, connecting rod 1 is passed the web of two fastening beam bodies, be provided with collision prevention girders in centre and subtract shock insulation module, two ends connect girder falling and subtract shock insulation module, finally use clamp nut locking in end, and ensure that the distance that clamp nut and girder falling subtract shock insulation intermodule meets the requirement that beam body designs warm variable displacement amount.Girder falling subtracts shock insulation module through after connecting rod, uses construction structure glue bonding with beam surface.
When an earthquake occurs, beam body 11 and beam body 21 are respectively to outer movement, and clamp nut and girder falling subtract shock insulation module and mutually clash into, and utilize the shock-absorbing function of rubber to cut down the percussion of seismic forces, the continuation of clamp nut restraint beam body is simultaneously moved, the generation of restrainer accident.When two beam body move toward one another are, distance between beam body reduces, two end carriage bodies subtract shock insulation module contact with collision prevention girders respectively, collision prevention girders subtracts shock insulation module pressurized and alleviates percussion, and adjust beam body post exercise spacing, ensure cannot continue to move after beam body exceedes effective temperature variable displacement, stop the mutual shock of two end carriage bodies.Subtract shock insulation modular design and effectively can reduce the impact that earthquake brings, and alleviate seismic forces by compression power consumption, vibrations assembly is reduced.
Form in the structure of the anti-fall anticollision device, collision-prevention device of above-mentioned bridge beam body:
---collision prevention girders subtracts the rubber tube 31 that shock insulation module is rolled into by laminated rubber material and forms, and can slow down the shock between two beam bodies; The sheet rubber 32 being provided with superposition in rubber tube both sides forms packing ring, or the entirety be sulfided into by sheet rubber 32 and spaced steel liner plate circle 33 form subtract shock insulation module, its anti-collision performance can be improved further;
---the mechanism that formation girder falling subtracts shock insulation module also can be that the entirety be sulfided into by sheet rubber 43 and spaced steel liner plate circle 44 is formed, and its anti-collision effect is better;
---subtract on connecting rod that shock insulation module and collision prevention girders subtract shock insulation intermodule at above-mentioned girder falling and be provided with the embedded steel tube 60 that can be fixed on Liang Tizhong, be convenient to penetrating of connecting rod.
Described laminated rubber adopts rubber and steel plate interval to arrange, by adjusting rubber and steel plate ratio and thickness, and rubber chemistry character regulate girder falling to subtract bearing strength that shock insulation module and collision prevention girders subtract shock insulation module; During use, between beam body and laminated rubber, be provided with gap, ensure the positive normal temperature variable displacement requirement of beam body.
Beam body utilizes by this structure to be hit beam and subtracts shock insulation module and keep apart, and when beam body is moved, utilizes and hits beam and subtract shock insulation module and play shock absorbing effect, prevent beam body from clashing into and the beam that falls.When an earthquake occurs, two end carriage body outwards movements, connecting rod relies on the movement of bolt or bearing pin restained beam body, and girder falling subtracts shock insulation module and utilizes the elastic deformation of rubber bodies effectively to reduce mobile impact simultaneously.When an earthquake occurs, between adjacent, beam body moves inward, and the collision prevention girders between beam body subtracts shock insulation module and will reduce the shock of beam body, and with limit, it moves, and prevents two curb girder bodies from mutually colliding.
The anti-fall anticollision device, collision-prevention device of bridge beam body a kind ofly novel subtracts base isolation reinforcement device, and its major function stops beam to come off and the mutual shock of adjacent binding beam body from supporting.The utility model adopts elastic laminate rubber bodies as buffer structure, and comparing rigid structures can not be damaged by more effective protection beam body.The utility model effectively can limit the displacement deformation of bridge in earthquake, simultaneously dissipation energy, slows down earthquake shock, so prevent bridge fall beam, hit beam danger.
Subtract shock insulation module compression spring component can also be adopted to form because the girder falling formed in the anti-fall anticollision device, collision-prevention device of above-mentioned bridge beam body subtracts shock insulation module and collision prevention girders, can the purpose of this utility model be reached equally.
Claims (6)
1. the anti-fall anticollision device, collision-prevention device of bridge beam body, it is characterized in that: comprise the connecting rod that can be serially connected with two beam bodies, be serially connected with collision prevention girders at the middle part of this connecting rod and subtract shock insulation module, be respectively arranged with the girder falling that can be arranged on described two external sides of beam in the both end sides of this connecting rod and subtract shock insulation module and stationary positioned block.
2. the anti-fall anticollision device, collision-prevention device of a kind of bridge beam body as claimed in claim 1, is characterized in that: described collision prevention girders subtracts shock insulation module and is made up of laminated rubber cylinder.
3. the anti-fall anticollision device, collision-prevention device of a kind of bridge beam body as claimed in claim 2, is characterized in that: form packing ring at the sheet rubber forming laminated rubber cylinder both sides that described collision prevention girders subtracts shock insulation module and be provided with superposition and form.
4. the anti-fall anticollision device, collision-prevention device of a kind of bridge beam body as claimed in claim 3, is characterized in that: the entirety that described packing ring is sulfided into by sheet rubber and spaced steel liner plate circle is formed.
5. the anti-fall anticollision device, collision-prevention device of a kind of bridge beam body as claimed in claim 1, is characterized in that: described girder falling subtracts the entirety that shock insulation module is sulfided into by sheet rubber and spaced steel liner plate circle and forms.
6. the anti-fall anticollision device, collision-prevention device of a kind of bridge beam body as claimed in claim 1, is characterized in that: subtract on connecting rod that shock insulation module and collision prevention girders subtract shock insulation intermodule at described girder falling and be provided with the steel pipe that can be fixed on Liang Tizhong.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085458.1U CN204435205U (en) | 2015-02-06 | 2015-02-06 | The anti-fall anticollision device, collision-prevention device of a kind of bridge beam body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085458.1U CN204435205U (en) | 2015-02-06 | 2015-02-06 | The anti-fall anticollision device, collision-prevention device of a kind of bridge beam body |
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| CN204435205U true CN204435205U (en) | 2015-07-01 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603867A (en) * | 2016-02-25 | 2016-05-25 | 昆明喆凯工程技术有限公司 | Multi-stage self-destruction energy absorption buffer type beam-falling preventing device |
| 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 |
| CN107059597A (en) * | 2016-12-31 | 2017-08-18 | 石家庄铁道大学 | A kind of coupling beam device with anticollision and girder falling function |
| CN110904822A (en) * | 2019-12-25 | 2020-03-24 | 中国地震局工程力学研究所 | Easy-to-maintain embedded bridge anti-falling beam and bridge connecting structure thereof |
-
2015
- 2015-02-06 CN CN201520085458.1U patent/CN204435205U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603867A (en) * | 2016-02-25 | 2016-05-25 | 昆明喆凯工程技术有限公司 | Multi-stage self-destruction energy absorption buffer type beam-falling preventing device |
| 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 |
| CN107059597A (en) * | 2016-12-31 | 2017-08-18 | 石家庄铁道大学 | A kind of coupling beam device with anticollision and girder falling function |
| CN110904822A (en) * | 2019-12-25 | 2020-03-24 | 中国地震局工程力学研究所 | Easy-to-maintain embedded bridge anti-falling beam and bridge connecting structure thereof |
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