CN221421664U - Anti-seismic device for municipal bridge - Google Patents
Anti-seismic device for municipal bridge Download PDFInfo
- Publication number
- CN221421664U CN221421664U CN202323614307.4U CN202323614307U CN221421664U CN 221421664 U CN221421664 U CN 221421664U CN 202323614307 U CN202323614307 U CN 202323614307U CN 221421664 U CN221421664 U CN 221421664U
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- China
- Prior art keywords
- movable block
- bottom plate
- support plates
- top plate
- earthquake
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- 238000013016 damping Methods 0.000 claims abstract description 26
- 230000035939 shock Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 description 7
- 238000005457 optimization Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of bridge anti-seismic devices, in particular to an anti-seismic device for a municipal bridge, which comprises a bottom plate and a top plate, wherein a buffer assembly comprises a movable block fixedly connected with the lower end surface of the top plate, the upper end surface of the bottom plate is connected with two support plates which are distributed left and right and are positioned on two sides of the movable block in a sliding manner, a first shock-absorbing damping rod is connected between the upper end of the outer wall of the movable block and the two support plates through a hinged support in a rotating manner, two connecting rods which are distributed back and forth are connected between the lower end of the outer wall of the movable block and the two support plates through hinged supports in a rotating manner, when the top plate is subjected to vibration, the top plate transmits the vibration to the movable block, the movable block shakes up and down, the first shock-absorbing damping rod absorbs and counteracts the vibration on the movable block, meanwhile, the movable block pushes the two support plates to move in opposite directions through the connecting rods, and when the two support plates move, the two support plates pull the first shock-absorbing damping rod to stretch, and then the first shock-absorbing damping rod contracts, so that the two support plates are reset, and the bridge is effectively buffered.
Description
Technical Field
The utility model relates to the technical field of bridge anti-seismic devices, in particular to an anti-seismic device for municipal bridges.
Background
Bridges, which are generally structures erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to pass smoothly, are also increasingly erected to span mountain streams, poor geology or meet other traffic needs and are more convenient to pass in order to adapt to the traffic industry of modern high-speed development, and generally consist of upper structures, lower structures, supports and auxiliary structures.
According to fig. 1, the conventional earthquake-resistant device for municipal bridge is basically composed of a bottom plate 1, a top plate 2, a damping rod 12 and the like, and when the top plate is vibrated in use, the vibration is transmitted to the damping rod 12, and the vibration of the top plate is counteracted by the damping rod 12.
In the use process of the device, the damping rod 12 is used for buffering, and the device cannot bear when the pressure is large, so that the bridge is not buffered.
Disclosure of utility model
The utility model aims to provide an anti-seismic device for municipal bridges, which has the characteristics of high strength compression resistance and effective buffering of the bridges.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-seismic device for municipal bridge, includes bottom plate and roof, be provided with a plurality of evenly distributed's buffer unit between bottom plate and the roof, buffer unit includes the movable block of terminal surface fixed connection under with the roof, the up end sliding connection of bottom plate has two and controls the backup pad that distributes and be located the movable block both sides, all be connected with first shock attenuation damping pole through the free bearing rotation between the outer wall upper end of movable block and two backup pads, all be connected with the connecting rod of two front and back distributions through the free bearing rotation between the outer wall lower extreme of movable block and two backup pads.
In order to further improve the buffering effect on the bridge, the anti-seismic device for the municipal bridge is preferably used, and a plurality of second shock absorption damping rods which are uniformly distributed are fixedly connected between the bottom plate and the top plate.
In order to improve stability of the buffer assembly, the anti-seismic device for the municipal bridge is preferably provided with the extension spring which is positioned below the movable block and fixedly connected between the two support plates.
In order to enable the support plate to stably move, the anti-seismic device for the municipal bridge is preferable, a plurality of sliding grooves are formed in the upper end face of the bottom plate, the sliding grooves are located below the support plate, and sliding blocks matched with the sliding grooves are fixedly connected to the lower end faces of the support plate.
In order to prevent other sundries from entering between the bottom plate and the top plate, the earthquake-resistant device for the municipal bridge is preferably provided with a folding plate fixedly connected between the bottom plate and the top plate.
In order to prevent the movable block from colliding with other components, as an earthquake-resistant device for municipal bridges of the present utility model, a gap is preferably provided between the movable block and the bottom plate.
Compared with the prior art, the utility model has the following beneficial effects:
When the roof receives vibrations, the roof is with vibrations transmission to the movable block on, the movable block rocks from top to bottom, when the movable block rocked, the vibration absorption on the movable block offset, simultaneously, the movable block promotes two backup pads through the connecting rod and removes to opposite direction, when two backup pads remove, two backup pads pulling first damping pole extension, then first damping pole shrink, make two backup pads reset, simultaneously, two backup pads are with extension spring extension, then extension spring shrink, the stability of buffer unit is improved, strengthen the buffering effect to the bridge, further absorption offset vibrations, and then realize high strength resistance to compression, thereby effectively cushion the bridge.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 4 is a schematic top view of the present utility model;
In the figure: 1. a bottom plate; 2. a top plate; 3. a movable block; 4. a support plate; 5. a first shock-absorbing damping rod; 6. a connecting rod; 7. a second shock-absorbing damping rod; 8. a tension spring; 9. a chute; 10. a slide block; 11. a folding plate; 12. damping rod.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 2 to 4, an earthquake-resistant device for municipal bridges comprises a bottom plate 1 and a top plate 2, wherein a plurality of evenly distributed buffer assemblies are arranged between the bottom plate 1 and the top plate 2, each buffer assembly comprises a movable block 3 fixedly connected with the lower end face of the top plate 2, the upper end face of the bottom plate 1 is slidably connected with two support plates 4 which are distributed left and right and are positioned on two sides of the movable block 3, a first damping rod 5 is connected between the upper end of the outer wall of the movable block 3 and the two support plates 4 through rotation of a hinged support, and a connecting rod 6 which is distributed front and back is connected between the lower end of the outer wall of the movable block 3 and the two support plates 4 through rotation of the hinged support.
In this embodiment: when roof 2 receives vibrations, roof 2 will shake and transmit movable block 3, movable block 3 rocks from top to bottom, when movable block 3 rocked, first shock attenuation damping pole 5 offsets the shock absorption on the movable block 3, simultaneously, movable block 3 promotes two backup pads 4 through connecting rod 6 and removes to opposite direction, when two backup pads 4 remove, two backup pads 4 stimulate first shock attenuation damping pole 5 extension, then first shock attenuation damping pole 5 shrink, make two backup pads 4 reset, further absorption offset vibrations, and then realize high strength resistance to compression, thereby effectively cushion the bridge.
As a technical optimization scheme of the utility model, a plurality of second shock-absorbing damping rods 7 which are uniformly distributed are fixedly connected between the bottom plate 1 and the top plate 2.
In this embodiment: the second shock-absorbing damping rod 7 can further improve the buffering effect on the bridge.
As a technical optimization scheme of the utility model, an extension spring 8 positioned below the movable block 3 is fixedly connected between the two support plates 4.
In this embodiment: when two backup pads 4 move to opposite direction, two backup pads 4 will extend extension spring 8, then extension spring 8 shrink, improve buffer assembly's stability, strengthen the buffering effect to the bridge.
As a technical optimization scheme of the utility model, a plurality of sliding grooves 9 positioned below the supporting plates 4 are formed in the upper end face of the bottom plate 1, and sliding blocks 10 matched with the sliding grooves 9 are fixedly connected to the lower end faces of the supporting plates 4.
In this embodiment: the chute 9 and the slider 10 enable smooth movement of the support plate 4.
As a technical optimization scheme of the utility model, a folding plate 11 is fixedly connected between the bottom plate 1 and the top plate 2.
In this embodiment: the folding plate 11 can prevent other sundries from entering between the bottom plate 1 and the top plate 2, and the operation of the buffer assembly is affected.
As a technical optimization scheme of the utility model, a gap is arranged between the movable block 3 and the bottom plate 1.
In this embodiment: the movable block 3 can be prevented from colliding with other components.
Working principle: when roof 2 receives vibrations, roof 2 will shake and transmit movable block 3, movable block 3 rocks from top to bottom, when movable block 3 rocked, first shock attenuation damping pole 5 will shake on the movable block 3 absorb and offset, simultaneously, movable block 3 promotes two backup pads 4 through connecting rod 6 and removes to opposite direction, when two backup pads 4 remove, two backup pads 4 stimulate first shock attenuation damping pole 5 extension, then first shock attenuation damping pole 5 shrink, make two backup pads 4 reset, simultaneously, two backup pads 4 will extension spring 8 elongate, then extension spring 8 shrink, improve buffer unit's stability, strengthen the buffering effect to the bridge, further absorption offset vibrations, and then realize high strength resistance to compression, thereby effectively cushion the bridge.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a municipal bridge is with antidetonation device, includes bottom plate (1) and roof (2), its characterized in that: be provided with a plurality of evenly distributed's buffer unit between bottom plate (1) and roof (2), buffer unit includes movable block (3) with terminal surface fixed connection under roof (2), the up end sliding connection of bottom plate (1) has two and controls the backup pad (4) that distribute and be located movable block (3) both sides, all be connected with first shock attenuation damping pole (5) through the free bearing rotation between the outer wall upper end of movable block (3) and two backup pads (4), all be connected with connecting rod (6) that distribute around through the free bearing rotation between the outer wall lower extreme of movable block (3) and two backup pads (4).
2. The earthquake-resistant device for municipal bridges as claimed in claim 1, wherein: a plurality of second shock absorption damping rods (7) which are uniformly distributed are fixedly connected between the bottom plate (1) and the top plate (2).
3. The earthquake-resistant device for municipal bridges as claimed in claim 1, wherein: an extension spring (8) positioned below the movable block (3) is fixedly connected between the two support plates (4).
4. The earthquake-resistant device for municipal bridges as claimed in claim 1, wherein: the upper end face of the bottom plate (1) is provided with a plurality of sliding grooves (9) positioned below the supporting plates (4), and the lower end faces of the supporting plates (4) are fixedly connected with sliding blocks (10) matched with the sliding grooves (9).
5. The earthquake-resistant device for municipal bridges as claimed in claim 1, wherein: a folding plate (11) is fixedly connected between the bottom plate (1) and the top plate (2).
6. The earthquake-resistant device for municipal bridges as claimed in claim 1, wherein: a gap is arranged between the movable block (3) and the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323614307.4U CN221421664U (en) | 2023-12-28 | 2023-12-28 | Anti-seismic device for municipal bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323614307.4U CN221421664U (en) | 2023-12-28 | 2023-12-28 | Anti-seismic device for municipal bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221421664U true CN221421664U (en) | 2024-07-26 |
Family
ID=92009183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323614307.4U Active CN221421664U (en) | 2023-12-28 | 2023-12-28 | Anti-seismic device for municipal bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221421664U (en) |
-
2023
- 2023-12-28 CN CN202323614307.4U patent/CN221421664U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |