CN212641244U - Be used for reinforced (rfd) antidetonation device of old bridge - Google Patents
Be used for reinforced (rfd) antidetonation device of old bridge Download PDFInfo
- Publication number
- CN212641244U CN212641244U CN202022403244.8U CN202022403244U CN212641244U CN 212641244 U CN212641244 U CN 212641244U CN 202022403244 U CN202022403244 U CN 202022403244U CN 212641244 U CN212641244 U CN 212641244U
- Authority
- CN
- China
- Prior art keywords
- plates
- plate
- energy dissipation
- elastic thin
- stop block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000002265 prevention Effects 0.000 claims abstract description 14
- 230000035939 shock Effects 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 238000005265 energy consumption Methods 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000116 mitigating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides an anti-seismic device for reinforcing an old bridge, which comprises a stop block fixing system and an energy dissipation and shock absorption system, wherein the stop block fixing system comprises a fixing plate and bolts, the fixing plate is arranged on three sides of a beam falling prevention stop block, and the fixing plate is fixedly connected on the beam falling prevention stop block in a bolt inserting and beam falling prevention stop block mode; the energy dissipation and shock absorption system is positioned between the anti-falling beam stop block and the main beam and comprises two energy dissipation plates, two elastic thin plates, four stiffening plates and four sealing plates, wherein the two energy dissipation plates are arranged in a crossed manner, the cross sections of the two energy dissipation plates in the direction vertical to the length direction of the main beam are of X-shaped structures, and one elastic thin plate is arranged on one side of each X-shaped structure, which is opposite to the main beam, and one elastic thin plate is arranged on one side of each; the four stiffening plates are respectively arranged on four sides of the X-shaped structure; the four sealing plates are respectively arranged on four sides of the X-shaped structure, the four sides are not the sides where the two elastic thin plates are located, and each sealing plate is fixedly connected with the two energy consumption plates. The utility model discloses a shockproof prevention installs additional on current old bridge, can improve the shock resistance of old bridge.
Description
Technical Field
The utility model relates to a bridge antidetonation field, in particular to an antidetonation device for old bridge is consolidated.
Background
With the development of the traffic construction of China, the quantity of the reserved bridges is the first place in the world. In the existing bridges, the number of the bridges with the small and medium span accounts for more than 95 percent. However, due to the lack of the theoretical level of bridge earthquake resistance in the early stage, the earthquake resistance design of the bridge is not considered completely, especially for the early-stage medium-small span bridge, only the anti-falling beam stop block is often arranged, and the stop block has no earthquake resistance effect, and due to insufficient design rigidity, once an earthquake occurs, the bridge is easy to damage, and the protection effect cannot be achieved at all. The survey results of bridge structures after multiple earthquakes in China also prove that the existing old bridge is easy to damage when facing the earthquake and cannot resist the damage of the earthquake at all. Therefore, an effective and economic bridge anti-seismic device is designed for the large-volume and wide-range middle and small-span old bridges, so that the anti-seismic performance of the bridge is necessary and urgent to be obviously improved.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an anti-seismic device for reinforcing an old bridge, which is added to an existing old bridge to improve the anti-seismic capability of the old bridge.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
an anti-seismic device for reinforcing an old bridge comprises a stop block fixing system and an energy dissipation and shock absorption system, wherein the stop block fixing system comprises a fixing plate and bolts, the fixing plate is arranged on three side faces of a beam falling prevention stop block, the three side faces are respectively the top face of the beam falling prevention stop block, the side face opposite to a main beam and the side face opposite to the main beam, a plurality of bolt holes are formed in the fixing plate, each bolt hole is in threaded connection with one bolt, and the fixing plate is fixedly connected to the beam falling prevention stop block in a bolt inserting and connecting mode of the beam falling prevention stop block; the energy dissipation and shock absorption system is positioned between the girder falling prevention stop block and the girder and comprises two energy dissipation plates, two elastic thin plates, four stiffening plates and four sealing plates, the two energy dissipation plates are arranged in a crossed manner, the cross sections of the two energy dissipation plates in the direction perpendicular to the length direction of the girder are of an X-shaped structure, one sides of the X-shaped structure, which are right opposite to the girder, and the other sides of the X-shaped structure, which are back to the girder, are respectively provided with an elastic thin plate, each elastic thin plate is vertically arranged, the two ends, facing the energy dissipation plates, of each elastic thin plate are fixedly connected with the energy dissipation plates, one elastic thin plate is fixedly connected to the girder falling prevention stop block through a fixing plate facing; the four stiffening plates are respectively arranged on four sides of the X-shaped structure, the four sides are respectively the side where the two elastic thin plates are arranged and the upper side and the lower side of the X-shaped structure, wherein the stiffening plate on the side where the two elastic thin plates are arranged is positioned between the two elastic thin plates, each stiffening plate is vertically arranged, the upper end and the lower end of each stiffening plate are respectively and fixedly connected with the two energy consumption plates, the two stiffening plates on the upper side and the lower side of the X-shaped structure are horizontally arranged, and the two ends of each stiffening plate in the horizontal direction are respectively and fixedly connected with the; the four sealing plates are respectively arranged on four sides of the X-shaped structure, the four sides are not the sides where the two elastic thin plates are arranged, each sealing plate is fixedly connected with the two energy dissipation plates, the two sealing plates positioned on the upper side and the lower side of the X-shaped structure are horizontally arranged, and two ends of the sealing plates in the horizontal direction are respectively fixedly connected with the two energy dissipation plates and positioned on the outer sides of the two stiffening plates.
Preferably, the energy dissipation plate is made of special metal materials or alloy materials.
Preferably, the elastic thin plate is made of steel with the carbon content of less than 0.25%.
Preferably, the elastic thin plate is fixedly connected to the end part of the energy dissipation plate in a welding mode.
Preferably, the sealing plate is fixedly connected to the end of the energy dissipation plate by welding.
Preferably, the outer surface of the sealing plate is coated with a rust-proof coating.
Preferably, the cross sections of the four stiffening plates perpendicular to the length direction of the main beam enclose a rectangular structure.
The utility model discloses install additional on current bridge, specifically install between preventing beam dog and the girder that falls, the antidetonation principle when it uses as follows:
when an earthquake occurs, the distance between the main beam and the anti-falling beam stop block can be changed, a certain anti-seismic device between the main beam and the anti-falling beam stop block can be extruded at the moment, the energy consumption plate of the anti-seismic device can deform, the deformation of the energy consumption plate leads to the deformation of the elastic thin plate, the elastic thin plate generates corresponding restoring force due to the deformation to prevent the main beam from approaching the anti-falling beam stop block, in addition, the energy consumption plate also prevents the main beam from approaching the anti-falling beam stop block due to the deformation, and the anti-seismic effect is achieved to a certain degree.
The utility model discloses in, the energy in external excitation input structures such as earthquake is dissipated to the inelastic characteristics that the antidetonation device mainly utilizes after the power consumption board yields, and secondly is that the elastic force that utilizes the elasticity sheet metal is taken precautions against earthquakes.
Therefore, compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model has the advantages of low yield point, firmness, durability, long-term use and maintenance-free, the shock (vibration) resistance is not influenced by temperature, and the utility model is a product with more economic benefit in various energy dissipation and shock absorption devices at present;
(2) the utility model has simple structure principle and very simple manufacture, and can be manufactured only according to the size of the anti-falling beam stop block of the actual reinforced bridge and the distance between the anti-falling beam stop block and the main beam;
(3) the anti-vibration device designed by the utility model can be conveniently installed on site, and only the manufactured device needs to be sleeved on the anti-falling beam stop block;
(4) the utility model has no damage to the existing structure, the provided shock-proof device is fixed on the anti-falling beam stop block only through the bolt, and the existing structure is not required to be perforated;
(5) the device in the utility model has the advantages of reliable, high-efficient, economy.
Drawings
Fig. 1 is a schematic structural view of the anti-seismic device of the present invention.
Fig. 2 is a schematic structural view of the anti-seismic device of the present invention.
Description of the main elements
In the figure: the anti-vibration device comprises a fixing plate 1, bolts 2, an energy consumption plate 3, an elastic plate 4, a stiffening plate 5, a sealing plate 6, an anti-vibration device 100, a main beam 200, a cover beam 300 and an anti-falling beam stop block 400.
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
Referring to fig. 1 to 2, in a preferred embodiment of the present invention, an anti-seismic device for reinforcing an old bridge includes a stopper 400 fixing system and an energy dissipation system. The stop 400 fixing system comprises a fixing plate 1 and bolts 2, the fixing plate 1 is arranged on three side surfaces of the anti-falling beam stop 400 on the bent cap 300, the three side surfaces are respectively the top surface of the anti-falling beam stop 400, the side surface facing the main beam 200 and the side surface back to the main beam 200, a plurality of bolt holes are formed in the fixing plate 1, each bolt hole is in threaded connection with one bolt 2, and the fixing plate 1 is fixedly connected to the anti-falling beam stop 400 in a mode that the bolts 2 are inserted into the anti-falling beam stop 400; the energy dissipation and shock absorption system is positioned between the girder falling prevention stop block 400 and the girder 200 and comprises two energy dissipation plates 3, two elastic thin plates 4, four stiffening plates 5 and four sealing plates 6, wherein the two energy dissipation plates 3 are arranged in a crossed manner, the cross sections of the two energy dissipation plates in the direction vertical to the length direction of the girder 200 are of an X-shaped structure, one sides of the X-shaped structure, which are opposite to the girder 200, and the sides of the X-shaped structure, which are opposite to the girder 200, are provided with elastic thin plates 4, each elastic thin plate 4 is arranged vertically, the two ends, facing the energy dissipation plates 3, of each elastic thin plate 4 are fixedly connected with the energy dissipation plates 3, one elastic thin plate 4 is fixedly connected to the girder falling prevention stop block 400 through a fixing plate 1 facing the girder 200, and; four stiffening plates 5 are respectively arranged on four sides of the X-shaped structure, wherein the four sides are respectively the side where the two elastic thin plates 4 are located and the upper side and the lower side of the X-shaped structure, the stiffening plate 5 located on the side where the two elastic thin plates 4 are located is located between the two elastic thin plates 4, each stiffening plate 5 is vertically arranged, the upper end and the lower end of each stiffening plate are respectively and fixedly connected with the two energy consumption plates 3, the two stiffening plates 5 located on the upper side and the lower side of the X-shaped structure are horizontally arranged, and the two ends of each stiffening plate in the horizontal direction are respectively and fixedly connected with the two; the four sealing plates 6 are respectively arranged on four sides of the X-shaped structure, the four sides are not the sides where the two elastic thin plates 4 are located, each sealing plate 6 is fixedly connected with the two energy dissipation plates 3, wherein the two sealing plates 6 positioned on the upper side and the lower side of the X-shaped structure are horizontally arranged, and two ends in the horizontal direction are respectively fixedly connected with the two energy dissipation plates 3 and positioned on the outer sides of the two stiffening plates 5.
The utility model discloses in, shock mounting 100 sets up between preventing falling roof beam dog 400 and girder 200, it can be a plurality ofly according to the length setting of girder 200, when setting up, fix on preventing falling roof beam dog 400 through dog 400 fixed system, elastic sheet 4 among the energy consumption shock mitigation system is just to girder 200, but there is the interval with girder 200, when girder 200 and prevent falling when the interval between the roof beam dog 400 changes because of external excitation such as earthquakes, girder 200 will extrude on certain shock mounting 100, specifically two power consumption boards 3 are towards girder 200's both ends butt girder 200 and towards girder 200's elastic sheet 4 butt girder 200, thereby make power consumption board 3 and elastic sheet 4 take place to warp, the restoring force that both warp and produce can prevent girder 200 to be close to preventing falling roof beam dog 400, and then play the shockproof effect.
Preferably, the energy dissipation plate 3 is made of a special metal material (such as mild steel) or an alloy material, so that the energy dissipation plate 3 has the characteristics of easy yielding and high energy dissipation. The elastic thin plate 4 is made of steel with the carbon content less than 0.25%, so that the elastic thin plate 4 has the characteristic of easy deformation after being stressed.
Further, in the present embodiment, the elastic thin plate 4 is fixedly connected to the end of the dissipative plate 3 by welding. The sealing plate 6 is fixedly connected to the end of the energy dissipation plate 3 in a welding mode, the sealing plate and the elastic thin plate 4 form a closed structure in a surrounding mode, the energy dissipation plate 3 and the stiffening plate 5 are accommodated in the closed structure, rainwater can be prevented from entering the closed structure, and therefore the energy dissipation plate 3 and the stiffening plate 4 are prevented from being corroded. The cross section of the four stiffening plates 5 perpendicular to the length direction of the main beam 200 is enclosed into a rectangular structure, so that the two energy dissipation plates 3 can be well fixed.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (7)
1. The utility model provides an antidetonation device for old bridge is consolidated, includes dog fixing system and power consumption shock mitigation system, its characterized in that: the stop block fixing system comprises a fixing plate and bolts, wherein the fixing plate is arranged on three side faces of the anti-falling beam stop block, the three side faces are respectively the top face of the anti-falling beam stop block, the side face opposite to the main beam and the side face back to the main beam, a plurality of bolt holes are formed in the fixing plate, each bolt hole is in threaded connection with one bolt, and the fixing plate is fixedly connected to the anti-falling beam stop block in a bolt inserting and connecting mode; the energy dissipation and shock absorption system is positioned between the girder falling prevention stop block and the girder and comprises two energy dissipation plates, two elastic thin plates, four stiffening plates and four sealing plates, the two energy dissipation plates are arranged in a crossed manner, the cross sections of the two energy dissipation plates in the direction perpendicular to the length direction of the girder are of an X-shaped structure, one sides of the X-shaped structure, which are right opposite to the girder, and the other sides of the X-shaped structure, which are back to the girder, are respectively provided with an elastic thin plate, each elastic thin plate is vertically arranged, the two ends, facing the energy dissipation plates, of each elastic thin plate are fixedly connected with the energy dissipation plates, one elastic thin plate is fixedly connected to the girder falling prevention stop block through a fixing plate facing; the four stiffening plates are respectively arranged on four sides of the X-shaped structure, the four sides are respectively the side where the two elastic thin plates are arranged and the upper side and the lower side of the X-shaped structure, wherein the stiffening plate on the side where the two elastic thin plates are arranged is positioned between the two elastic thin plates, each stiffening plate is vertically arranged, the upper end and the lower end of each stiffening plate are respectively and fixedly connected with the two energy consumption plates, the two stiffening plates on the upper side and the lower side of the X-shaped structure are horizontally arranged, and the two ends of each stiffening plate in the horizontal direction are respectively and fixedly connected with the; the four sealing plates are respectively arranged on four sides of the X-shaped structure, the four sides are not the sides where the two elastic thin plates are arranged, each sealing plate is fixedly connected with the two energy dissipation plates, the two sealing plates positioned on the upper side and the lower side of the X-shaped structure are horizontally arranged, and two ends of the sealing plates in the horizontal direction are respectively fixedly connected with the two energy dissipation plates and positioned on the outer sides of the two stiffening plates.
2. An earthquake-resistant arrangement for reinforcing an old bridge, as defined in claim 1, wherein: the energy dissipation plate is made of special metal materials or alloy materials.
3. An earthquake-resistant arrangement for reinforcing an old bridge, as defined in claim 1, wherein: the elastic thin plate is made of steel with the carbon content of less than 0.25%.
4. An earthquake-resistant arrangement for reinforcing an old bridge, as defined in claim 1, wherein: the elastic thin plate is fixedly connected to the end part of the energy dissipation plate in a welding mode.
5. An earthquake-resistant arrangement for reinforcing an old bridge, as defined in claim 1, wherein: the sealing plate is fixedly connected to the end of the energy dissipation plate in a welding mode.
6. An earthquake-resistant arrangement for reinforcing an old bridge, as defined in claim 1, wherein: and an antirust coating is coated on the outer surface of the sealing plate.
7. An earthquake-resistant arrangement for reinforcing an old bridge, as defined in claim 1, wherein: the cross sections of the four stiffening plates perpendicular to the length direction of the main beam are enclosed into a rectangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403244.8U CN212641244U (en) | 2020-10-26 | 2020-10-26 | Be used for reinforced (rfd) antidetonation device of old bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022403244.8U CN212641244U (en) | 2020-10-26 | 2020-10-26 | Be used for reinforced (rfd) antidetonation device of old bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212641244U true CN212641244U (en) | 2021-03-02 |
Family
ID=74762901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022403244.8U Active CN212641244U (en) | 2020-10-26 | 2020-10-26 | Be used for reinforced (rfd) antidetonation device of old bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212641244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081022A (en) * | 2020-10-26 | 2020-12-15 | 广西交科集团有限公司 | Be used for reinforced (rfd) antidetonation device of old bridge |
-
2020
- 2020-10-26 CN CN202022403244.8U patent/CN212641244U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081022A (en) * | 2020-10-26 | 2020-12-15 | 广西交科集团有限公司 | Be used for reinforced (rfd) antidetonation device of old bridge |
| CN112081022B (en) * | 2020-10-26 | 2024-07-05 | 广西交科集团有限公司 | Anti-seismic device for reinforcing old bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211817096U (en) | Compound even roof beam attenuator based on viscoelasticity material | |
| CN206941865U (en) | A kind of power consumption assembled combined steel plate shearing force wall with damper | |
| CN208184005U (en) | A kind of vertical restricted type metal yield energy-consumption damper of release | |
| CN207453259U (en) | A kind of coupling beam construction between shear wall structure wall limb | |
| CN218438556U (en) | Corrugated steel plate coupling beam damper | |
| CN207260373U (en) | A kind of steel plate shear force wall | |
| CN107859196B (en) | A replaceable assembled energy dissipation and vibration reduction node with self-resetting function | |
| CN214423134U (en) | External power consumption angle steel assembled dog | |
| CN211596791U (en) | Foundation ditch protector for railway bridge | |
| CN103790252B (en) | Steel lead lamination shearing damp device | |
| CN210031473U (en) | One-way energy-consumption beam falling prevention device | |
| CN217480477U (en) | A combined energy dissipation and shock absorption device | |
| CN216739200U (en) | Shock attenuation steel box girder and bridge structure system | |
| CN112081022A (en) | Be used for reinforced (rfd) antidetonation device of old bridge | |
| CN206843937U (en) | A kind of combined anti-seismic system and combined anti-seismic bridge | |
| CN217107028U (en) | A kind of tunnel shock absorption damper and tunnel shock absorption structure | |
| CN114182617B (en) | A shock-absorbing steel box girder and bridge structure system | |
| CN217175254U (en) | Vertical tensile sliding shock isolation device | |
| CN117627221A (en) | A self-returning rocking steel frame-energy-dissipating steel plate shear wall structure | |
| CN109024965A (en) | A kind of mild steel damper | |
| CN215106438U (en) | Floor slab connection structure capable of guaranteeing normal operation of coupling beam damper | |
| CN106835952A (en) | A kind of combined anti-seismic system and combined anti-seismic bridge | |
| CN210946442U (en) | An energy-consuming shock-absorbing arch foot device | |
| CN207660096U (en) | A kind of prefabricated assembled concrete frame | |
| CN210562585U (en) | Light steel structure building structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |