CN218969749U - Shock-absorbing spherical support with beam falling prevention function for railway bridge - Google Patents
Shock-absorbing spherical support with beam falling prevention function for railway bridge Download PDFInfo
- Publication number
- CN218969749U CN218969749U CN202223389698.XU CN202223389698U CN218969749U CN 218969749 U CN218969749 U CN 218969749U CN 202223389698 U CN202223389698 U CN 202223389698U CN 218969749 U CN218969749 U CN 218969749U
- Authority
- CN
- China
- Prior art keywords
- support
- spherical
- damping
- plate
- vibration
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a shock-absorbing spherical support with a girder falling prevention function for a railway bridge, which comprises a support body, wherein the support body consists of a top plate and a bottom basin, the bottom of the top plate is connected with the top of the bottom basin through a spherical crown steel lining plate, and a shock-absorbing structure for preventing the girder from falling off is arranged on the support; the shockproof structure is arranged on two sides of the support and is fixedly connected with the top plate and the bottom basin respectively. Through the mode, the vibration-damping spherical support with the beam falling prevention function for the railway bridge adopts the vibration-damping structure, and the vibration-damping spherical support can play a limiting role when the displacement between sliding surfaces is overlarge due to the unpredictable earthquake force of the support, so that the beam body is prevented from falling or falling.
Description
Technical Field
The utility model belongs to the field of railway bridge support manufacturing, and particularly relates to a damping spherical support with a girder falling prevention function for a railway bridge.
Background
The elastic plastic steel damping device is mainly based on the principle that a metal material has good hysteresis characteristics after entering a plastic state and absorbs a large amount of energy in the hysteresis deformation process.
The conventional bridge support generally has no girder falling prevention function, and when an earthquake occurs, under the action of unreliability, the upper and lower parts of the support can be separated and destroyed once the girder body is excessively displaced, and even serious damages such as girder falling and the like can occur, so that the main structure of the bridge is damaged.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the shock-absorbing spherical support with the beam falling prevention function for the railway bridge, which can prevent the beam body from being separated or falling.
In order to solve the technical problems, the utility model adopts a technical scheme that: the vibration-damping spherical support with the beam falling prevention function for the railway bridge comprises a support body, wherein the support body consists of a top plate and a bottom basin, the bottom of the top plate is connected with the top of the bottom basin through a spherical crown steel lining plate, and a vibration-damping structure for preventing the beam body from falling off is arranged on the support;
the shockproof structure is arranged on two sides of the support and is fixedly connected with the top plate and the bottom basin respectively.
In a preferred embodiment of the present utility model, the vibration-proof structure includes an elastoplastic steel damping anti-falling beam structure and a high-strength bolt, wherein the elastoplastic steel damping anti-falling beam structure is a U-shaped plate, and the upper and lower surfaces of the elastoplastic steel damping anti-falling beam structure are respectively connected with the bottom of the top plate and the top of the bottom basin through the high-strength bolt.
In a preferred embodiment of the present utility model, the material of the elastoplastic steel damping anti-drop beam structure is low alloy high strength structural steel.
In a preferred embodiment of the utility model, the upper surface and the lower surface of the spherical crown steel lining plate are respectively provided with a plane friction pair and a spherical friction pair.
In a preferred embodiment of the present utility model, the planar friction pair comprises a planar stainless steel plate and a planar wear plate, which are mounted on the contact surfaces of the top plate and the spherical crown steel lining plate, respectively.
In a preferred embodiment of the present utility model, the spherical friction pair is a spherical wear plate, and the spherical wear plates are respectively installed between the spherical crown steel lining plate and the bottom basin.
The beneficial effects of the utility model are as follows: the utility model relates to a shock-absorbing spherical support with a girder falling prevention function for a railway bridge, which adopts a shock-absorbing structure, and can play a limiting role when the displacement between sliding surfaces is overlarge under the unpredictable earthquake force action of the support, so that a girder body is prevented from falling or falling.
Drawings
Fig. 1 is a sectional view of a shock absorbing ball-type support for a railroad bridge having a girder falling prevention function.
The components in the drawings are marked as follows: 1. a top plate; 2. a bottom basin; 3. spherical crown steel lining plate; 4. a planar stainless steel plate; 5. a planar wear plate; 6. a spherical wear-resistant plate; 7. an elastic plastic steel damping anti-falling beam structure; 8. high strength bolts.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1, an embodiment of the present utility model includes: the utility model provides a railway bridge is with shock attenuation ball-type support with prevent roof beam function that falls, includes the support body, the support body comprises roof 1 and end basin 2, roof 1 bottom with end basin 2 top is connected through spherical crown steel welt 3.
The top plate 1 is contacted with the bottom of the bridge beam and used for transferring the load of the upper structure.
The bottom basin 2 is provided with a spherical concave basin cavity for limiting the spherical wear-resisting plate 6 therein, and the lower part is contacted with the cushion stone at the top of the pier, so that the upper structural load is transferred to the pier.
The spherical crown steel lining plate 3 can adapt to disturbance of an upper bridge structure due to various reasons such as load through rotation of the arc surface while transmitting vertical load at the upper part, and a groove for installing the plane wear-resisting plate 5 is formed in the upper part of the spherical crown steel lining plate.
The support is provided with a shockproof structure for preventing the beam body from disengaging and falling, the shockproof structure is arranged on two sides of the support and is fixedly connected with the top plate 1 and the bottom basin 2 respectively, when the support is subjected to normal displacement, the shockproof structure can deform to adapt to the change of the displacement, when an earthquake occurs, the shockproof structure is subjected to plastic deformation under the action of the earthquake force, and a large amount of earthquake energy can be absorbed in the hysteresis deformation process, so that the purpose of shock absorption is achieved, and in addition, as the shockproof structure is integrally connected with the upper structure and the lower structure of the support body, the support body can play a limiting role when the displacement between sliding surfaces is overlarge under the action of unpredictable earthquake force, and the beam body is prevented from disengaging or falling.
The vibration-proof structure comprises an elastic-plastic steel damping anti-falling beam structure 7 and a high-strength bolt 8, wherein the elastic-plastic steel damping anti-falling beam structure 7 is a U-shaped plate, the upper surface and the lower surface of the elastic-plastic steel damping anti-falling beam structure are respectively connected with the bottom of the top plate 1 and the top of the bottom basin 2 through the high-strength bolt 8, and the opening of the U-shaped plate faces inwards.
The high-strength bolts 8 are standard components and are used for connecting and fixing the shockproof structure with the bottom of the top plate 1 and the bottom basin 2 respectively.
The elastic plastic steel damping anti-falling beam structure 7 is made of low alloy high strength structural steel, and when the displacement of the support body exceeds the design displacement, a preset tensile force can be provided, so that the upper structure and the lower structure are not separated.
The upper surface and the lower surface of the spherical crown steel lining plate 3 are respectively provided with a plane friction pair and a spherical friction pair.
The plane friction pair comprises a plane stainless steel plate 4 and a plane wear-resistant plate 5, and the plane stainless steel plate 4 and the plane wear-resistant plate 5 are respectively arranged on contact surfaces of the top plate 1 and the spherical crown steel lining plate 3.
The planar stainless steel plate 4 is welded to the top plate 1.
The plane wear-resistant plate 5 is made of a high polymer material, and the surface of the plane wear-resistant plate is coated with lubricating grease, so that a lower friction coefficient can be provided.
The spherical friction pair is a spherical wear-resistant plate 6, the spherical wear-resistant plate 6 is respectively arranged between the spherical crown steel lining plate 3 and the bottom basin 2, the spherical wear-resistant plate 6 is made of a high polymer material, and the surface of the spherical wear-resistant plate is coated with lubricating grease, so that a lower friction coefficient can be provided.
Compared with the prior art, the vibration-damping spherical support with the beam falling prevention function for the railway bridge is provided with the vibration-damping structure between the top plate and the bottom basin of the bridge support, when the support is displaced normally, the vibration-damping structure can deform to adapt to the displacement change, when an earthquake occurs, the vibration-damping structure is deformed plastically under the action of the earthquake force, and a large amount of earthquake energy can be absorbed in the hysteresis deformation process, so that the purpose of vibration damping is achieved.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The vibration-damping spherical support for the railway bridge with the beam falling prevention function comprises a support body, wherein the support body consists of a top plate and a bottom basin, and the bottom of the top plate is connected with the top of the bottom basin through a spherical crown steel lining plate; the shockproof structure is arranged on two sides of the support and is fixedly connected with the top plate and the bottom basin respectively.
2. The vibration-damping spherical support for a railroad bridge with a girder falling prevention function according to claim 1, wherein: the vibration-proof structure comprises an elastic-plastic steel damping anti-falling beam structure and a high-strength bolt, wherein the elastic-plastic steel damping anti-falling beam structure is a U-shaped plate, and the upper surface and the lower surface of the elastic-plastic steel damping anti-falling beam structure are respectively connected with the bottom of the top plate and the top of the bottom basin through the high-strength bolt.
3. The vibration-damping spherical support for a railroad bridge with a girder falling prevention function according to claim 2, wherein: the elastic plastic steel damping anti-falling beam structure is made of low-alloy high-strength structural steel.
4. The vibration-damping spherical support for a railroad bridge with a girder falling prevention function according to claim 1, wherein: and the upper surface and the lower surface of the spherical crown steel lining plate are respectively provided with a plane friction pair and a spherical friction pair.
5. The vibration-damping spherical support with the beam falling prevention function for the railway bridge according to claim 4, wherein the vibration-damping spherical support is characterized in that: the plane friction pair comprises a plane stainless steel plate and a plane wear-resistant plate, and the plane stainless steel plate and the plane wear-resistant plate are respectively arranged on the contact surface of the top plate and the spherical crown steel lining plate.
6. The vibration-damping spherical support with the beam falling prevention function for the railway bridge according to claim 4, wherein the vibration-damping spherical support is characterized in that: the spherical friction pair is a spherical wear-resistant plate which is respectively arranged between the spherical crown steel lining plate and the bottom basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223389698.XU CN218969749U (en) | 2022-12-17 | 2022-12-17 | Shock-absorbing spherical support with beam falling prevention function for railway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223389698.XU CN218969749U (en) | 2022-12-17 | 2022-12-17 | Shock-absorbing spherical support with beam falling prevention function for railway bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218969749U true CN218969749U (en) | 2023-05-05 |
Family
ID=86155865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223389698.XU Active CN218969749U (en) | 2022-12-17 | 2022-12-17 | Shock-absorbing spherical support with beam falling prevention function for railway bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218969749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116879027A (en) * | 2023-09-07 | 2023-10-13 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | U-shaped beam falling prevention structure test method |
| CN116956448A (en) * | 2023-09-20 | 2023-10-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Design method of U-shaped beam falling prevention device for bridge |
-
2022
- 2022-12-17 CN CN202223389698.XU patent/CN218969749U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116879027A (en) * | 2023-09-07 | 2023-10-13 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | U-shaped beam falling prevention structure test method |
| CN116879027B (en) * | 2023-09-07 | 2023-12-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | U-shaped beam falling prevention structure test method |
| CN116956448A (en) * | 2023-09-20 | 2023-10-27 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Design method of U-shaped beam falling prevention device for bridge |
| CN116956448B (en) * | 2023-09-20 | 2024-02-02 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Design method of U-shaped beam falling prevention device for bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218969749U (en) | Shock-absorbing spherical support with beam falling prevention function for railway bridge | |
| CN107142841A (en) | A kind of damping tension and compression spherical bearing with girder falling function | |
| CN201835225U (en) | Universal spherical seismic isolation support with longitudinal and transverse optional displacements | |
| US7419145B2 (en) | Friction damper | |
| CN212175456U (en) | Novel damping tenon and elastic-plastic anti-falling beam limiting device | |
| CN101696564A (en) | Compound energy consumption one-way bridge support | |
| CN111218998A (en) | Metal and composite material laminated damper | |
| CN111827098B (en) | Trigger type limited negative stiffness high-strength spring damping support | |
| CN113322794A (en) | Anti-roll section assembling swing single-column pier multiple damping system | |
| CN112609854B (en) | Energy dissipation shock attenuation enhancement mode construction structures and friction damper | |
| CN110965465A (en) | Damping type bridge expansion joint fixing device | |
| CN211006319U (en) | Spherical seismic mitigation and isolation support with built-in triangular mild steel | |
| CN212052278U (en) | Anti-seismic damping anti-falling beam structure | |
| CN111218999A (en) | Metal and spring rubber composite damper | |
| WO2023124969A1 (en) | Friction energy dissipation type wind-resistant support and method | |
| CN209493838U (en) | A kind of NEW TYPE OF COMPOSITE damping vibration absorption and isolation support | |
| CN109457600B (en) | Composite damping shock-absorbing and-isolating support | |
| CN111173155A (en) | Shearing-bending parallel connection type graded energy dissipation damper | |
| CN109914228A (en) | A kind of damping device | |
| CN214573297U (en) | Bridge displacement self-adaptation damping support | |
| CN211079896U (en) | Friction pendulum type bridge seismic mitigation and isolation steel support | |
| CN113152256B (en) | Assembled pre-compaction ball pivot type damping device | |
| CN221051381U (en) | Dislocation preventing device for crane cart rail interface | |
| JP2004300776A (en) | Sliding bearing device with stopper and anchor structure for structure | |
| CN221345274U (en) | Beam falling prevention device with transverse and longitudinal limiting and damping energy dissipation functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |