CN109914225A - Bridge anti-seismic device - Google Patents
Bridge anti-seismic device Download PDFInfo
- Publication number
- CN109914225A CN109914225A CN201811558136.9A CN201811558136A CN109914225A CN 109914225 A CN109914225 A CN 109914225A CN 201811558136 A CN201811558136 A CN 201811558136A CN 109914225 A CN109914225 A CN 109914225A
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- Prior art keywords
- plate
- bridge
- connect
- movable plate
- movable
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Links
- 238000013016 damping Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004836 Glue Stick Substances 0.000 claims description 8
- 238000005381 potential energy Methods 0.000 abstract description 3
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000452 restraining effect 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 invention discloses a bridge anti-seismic device, which comprises a bridge plate (1), wherein the bottom surface of the bridge plate is connected with a movable plate (3) through a group of damping pads (2); the two sides of the movable plate are connected with a damping component (6) through a group of connecting columns (4) which are uniformly distributed along the length direction of the bridge plate; the bottom surface of the movable plate is connected with a pair of symmetrically arranged buffer components (7); when the movable plate is stressed, the top seat is pressed downwards to enable the telescopic column to retract, the two connecting rods are driven to push the two sliding blocks to move away from each other, and the sliding blocks compress the springs on the guide shafts to convert vertical kinetic energy of the telescopic column into potential energy, so that the anti-seismic effect is achieved, and the stability of the bridge plate is comprehensively and effectively guaranteed.
Description
Technical field
The present invention relates to a kind of bridge earthquake resistance devices, belong to bridge earthquake resistance technical field.
Background technique
With the development of transportation and the raising of construction standard, support in bridge and other engineerings not only
It plays a supporting role, but also has the function of vibration damping, resistance to plucking, release moment of flexure, resist displacement.Currently, occurring often in advance in earthquake
The reason of the case where bridge plate processed falls from bridge pier, bridge plate falls from bridge pier, is: when an earthquake occurs, generating
Very big horizontal force and vertical force makes precast bridge plate that horizontal displacement and vertical displacement occur, when displacement is more than prefabricated bridge
Beam slab on bent cap or platform cap shelve width after, bridge plate will fall, at this point, not only bridge is damaged, but also
Pedestrian and vehicle on bridge, under bridge are likely to occur safety accident.
When bridge is by multi-direction vibration, bridge plate cannot generate corresponding movement therewith, easily make bridge impaired in this way, bridge
Beam resists multi-direction vibration performance poor, and service life is relatively short, and has some potential safety problems.
Summary of the invention
The purpose of the present invention is to provide a kind of bridge earthquake resistance devices, and when bridge is by multi-direction vibration, bridge plate can
Corresponding movement is generated therewith, is prevented bridge impaired, is improved the multi-direction vibration performance that resists of bridge, extends bridge service life,
The security risk of bridge is minimized, thus overcome the deficiencies in the prior art.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of bridge earthquake resistance device of the invention, including bridge plate, one group of bridge plate bottom surface damping mat are connect with movable plate；It is living
Movable plate two sides along one group of uniformly distributed connecting column of bridge plate length direction with dampening assembly through connecting；Movable plate bottom surface and a pair are symmetrical
The Buffer Unit of setting connects；Dampening assembly and buffering component bottom plane are connect with bottom plate.
In aforementioned bridge earthquake resistance device, the damping mat top surface is equipped with uniformly distributed glue stick, and damping mat passes through glue stick and bridge
The connection of board bottom face.
In aforementioned bridge earthquake resistance device, the connecting column is inverted L structure, and the horizontal ends of inverted L structure and movable plate side connect
It connects, the vertical end of inverted L structure is connect with dampening assembly.
In aforementioned bridge earthquake resistance device, the dampening assembly, including U-shaped steel plate, U-shaped steel plate opening upwards, U-shaped steel board bottom
Face is connect through bolt with bottom plate；The inner wall of U-shaped steel plate two sides is equipped with sliding slot, and slide plate is equipped in sliding slot, and slide plate and sliding slot slide
Connection；The opposite face of two slide plates is equipped with bolt slot；The bolt slot of two slide plates is cased with movable cylinder on stud through Stud connection, activity
Cylinder top is connect with connecting column；Stud is equipped with hexagonal flush nut at slide plate；Pressure spring is cased on stud, pressure spring both ends are equipped with limit
Position ring.
In aforementioned bridge earthquake resistance device, the Buffer Unit, the footstock being connect including top with movable plate；Footstock bottom warp
Telescopic mast is connect with bottom plate；Footstock both ends are hinged with sliding block through connecting rod, and sliding block side is connect through spring with fixed block；On sliding block
Pilot hole is slidably connected with guiding axis.
By adopting the above-described technical solution, compared with prior art, the present invention pressure spring can offset transverse direction in the present invention
Micro vibration, the case where avoiding bridge from causing transverse shift because of earthquake, improve the stability of bridge girder anti-seismic bearing, make bridge
Beam pier body uniform force, extends bridge girder anti-seismic bearing service life；In movable plate stress, footstock is pushed so that telescopic mast returns
Contracting drives two connecting rods that two sliding blocks is pushed to do mutually from movement, thus spring the erecting telescopic mast on sliding block compression guiding axis
It is converted into potential energy to kinetic energy, to have the function that antidetonation, to comprehensively and effectively ensure the stability of bridge plate.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of dampening assembly；
Fig. 3 is the partial enlarged view in Fig. 1 ellipse circle.
It is attached in the figure, it is marked as 1- bridge plate, 2- damping mat, 3- movable plate, 4- connecting column, 5- bottom plate, 6- dampening assembly,
61-U shape steel plate, 62- sliding slot, 63- slide plate, 64- bolt slot, 65- stud, 66- activity cylinder, 67- hexagonal flush nut, 68- pressure spring,
69- stop collar, 7- Buffer Unit, 71- fixed block, 72- spring, 73- sliding block, 74- guiding axis, 75- telescopic mast, 76- footstock,
77- connecting rod.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
A kind of bridge earthquake resistance device of the present invention couple, as shown in Figure 1, including bridge plate 1, bridge plate one group of 1 bottom surface resistance
Buddhist nun's pad 2 is connect with movable plate 3；3 two sides of movable plate are through along one group of uniformly distributed connecting column 4 of 1 length direction of bridge plate and dampening assembly 6
Connection；3 bottom surface of movable plate is connect with a pair of symmetrically arranged Buffer Unit 7；Dampening assembly 6 and 7 bottom surface of Buffer Unit and bottom plate 5
Connection.2 top surface of damping mat is equipped with uniformly distributed glue stick, and damping mat 2 is connect by glue stick with 1 bottom surface of bridge plate.Connecting column 4 is inverted L
The horizontal ends of structure, inverted L structure are connect with 3 side of movable plate, and the vertical end of inverted L structure is connect with dampening assembly 6.
As shown in Fig. 2, dampening assembly 6, including U-shaped steel plate 61,61 opening upwards of U-shaped steel plate, 61 bottom surface of U-shaped steel plate is through spiral shell
Bolt is connect with bottom plate 5；The inner wall of 61 two sides of U-shaped steel plate is equipped with sliding slot 62, is equipped with slide plate 63, slide plate 63 and sliding slot in sliding slot 62
62 are slidably connected；The opposite face of two slide plates is equipped with bolt slot 64；The bolt slot 64 of two slide plates is connected through stud 65, is covered on stud 65
There is movable cylinder 66, movable 66 top of cylinder is connect with connecting column 4；Stud 65 is equipped with hexagonal flush nut 67 at slide plate 63；Stud
Pressure spring 68 is cased on 65,68 both ends of pressure spring are equipped with stop collar 69.
As shown in figure 3, Buffer Unit 7, the footstock 76 being connect including top with movable plate 3；76 bottom of footstock is through telescopic mast
75 connect with bottom plate 5；76 both ends of footstock are hinged through connecting rod 77 and sliding block 73, and 73 side of sliding block connects through spring 72 and fixed block 71
It connects；Pilot hole on sliding block 73 is slidably connected with guiding axis 74.
Embodiment
The bridge earthquake resistance device of this example, as shown in Figure 1, including bridge plate 1, damping mat 2, movable plate 3, connecting column 4, bottom plate
5, dampening assembly 6, Buffer Unit 7.The upper surface of the movable plate 3 is fixedly connected with multiple damping mats 2,2 upper surface of damping mat
It is equipped with glue stick, damping mat 2 and bridge plate 1 between the lower surface of bridge plate 1 to be glued by glue stick, damping mat 2 can shake in bridge
Play the role of tentatively buffering when dynamic.The two sides of movable plate 3 symmetrically connect multiple connecting columns 4.Connecting column 4 is in inverted L-shaped, connecting column
4 horizontal ends are connect with 3 side of movable plate, and the vertical end of connecting column 4 and 66 upper surface of movable cylinder on dampening assembly 6 are welded.
Dampening assembly 6 is as shown in Fig. 2, include movable cylinder 66, movable cylinder 66 is slidably located on stud 65.U-shaped steel plate 61
Opening up and its bottom wall be bolted to connection the two sides of 5 upper surface of bottom plate.Two inner sidewalls of U-shaped steel plate 61 open up
There is sliding slot 62, two slide plates 63 are slidably connected at respectively in sliding slot 62, and two opposite surface middle parts of slide plate 63 offer spiral shell
Croze 64.65 both ends of stud are slidably connected with bolt slot 64.The both ends screw thread of stud 65 is equipped with hexagonal flush nut 67 simultaneously, living
Restraining position ring block 69 is welded at the both ends of dynamic cylinder 66, and hexagonal flush nut 67 also is provided with stop collar towards movable 66 surface side of cylinder
69, pressure spring 68 is cased on the stud 65 between two stop collars 69 of movable 66 two sides of cylinder, and the both ends of pressure spring 68 are against correspondence
69 surface of stop collar.Movable plate 3 is vibrated move down when, 4 promotion activity cylinder 66 of connecting column moves down, and slide plate 63 can be by U
The sliding slot 62 of 61 inner sidewall of shape steel plate moves down, the energy until falling up-down vibration by the buffering of Buffer Unit 8.And pressure spring 68 can
The case where offsetting lateral micro vibration, bridge is avoided to cause transverse shift because of earthquake, improves the steady of bridge girder anti-seismic bearing
It is qualitative, make bridge pier body uniform force, extends bridge girder anti-seismic bearing service life.
Buffer Unit 7 is as shown in figure 3, the lower surface of movable plate 3 passes through the upper table of multiple identical Buffer Units and bottom plate 5
Face connection, Buffer Unit 7 is by fixed block 71, spring 72, sliding block 73, guiding axis 74, telescopic mast 75, footstock 76 and 77 groups of connecting rod
At.The top surface of telescopic mast 75 is fixedly connected with the lower surface of movable plate 3, and the bottom surface of telescopic mast 75 and the upper surface of bottom plate 5 are fixed
Connection, and being respectively fixedly connected on the bottom plate 5 of 75 two sides of telescopic mast there are two symmetrical fixed block 71, and two fixed blocks 71 it
Between be connected with guiding axis 74, guiding axis 74 is equipped with sliding block 73, and the sliding slot of 73 lower surface of sliding block and 5 upper surface of bottom plate, which slides, to be connected
It connects, and is cased with spring 72 on the guiding axis 4 between that fixed block 71 and sliding block 73 far from telescopic mast 75, telescopic mast 75 is close
The outer surface on top is welded with footstock 76, and 76 both ends of footstock are fixedly connected with one end of connecting rod 77 respectively, the other end of connecting rod 77
It is hinged with the top of adjacent sliders 73, in 3 stress of movable plate, pushes footstock 76 and telescopic mast 75 is bounced back, drive two companies
Bar 77 pushes two sliding blocks 73 to do mutually from movement, so that sliding block 73 compresses the spring 72 on guiding axis 74, spring 72 is by telescopic mast
75 vertical kinetic energy is converted into the potential energy of spring 72, to have the function that antidetonation, to comprehensively and effectively ensure bridge plate 1
Stability.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", "top" "bottom" end etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing, rather than is indicated
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Have ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection, or one
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equal
Replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this hair
Within bright protection scope.
Claims (5)
1. a kind of bridge earthquake resistance device, including bridge plate (1), it is characterised in that: one group of bridge plate (1) bottom surface damping mat (2)
It is connect with movable plate (3)；Movable plate (3) two sides are through along one group of uniformly distributed connecting column (4) of bridge plate (1) length direction and damping group
Part (6) connection；Movable plate (3) bottom surface is connect with a pair of symmetrically arranged Buffer Unit (7)；Dampening assembly (6) and Buffer Unit
(7) bottom surface is connect with bottom plate (5).
2. bridge earthquake resistance device according to claim 1, it is characterised in that: damping mat (2) top surface is equipped with uniformly distributed glue
Stick, damping mat (2) are connect by glue stick with bridge plate (1) bottom surface.
3. bridge earthquake resistance device according to claim 1, it is characterised in that: the connecting column (4) is inverted L structure, inverted L structure
Horizontal ends connect with movable plate (3) side, the vertical end of inverted L structure is connect with dampening assembly (6).
4. bridge earthquake resistance device according to claim 1, it is characterised in that: the dampening assembly (6), including U-shaped steel plate
(61), U-shaped steel plate (61) opening upwards, U-shaped steel plate (61) bottom surface are connect through bolt with bottom plate (5)；U-shaped steel plate (61) two sides
Inner wall is equipped with sliding slot (62), is equipped with slide plate (63) in sliding slot (62), and slide plate (63) is slidably connected with sliding slot (62)；Two slide plates
Opposite face is equipped with bolt slot (64)；The bolt slot (64) of two slide plates is connected through stud (65), and stud is cased with movable cylinder on (65)
(66), it is connect at the top of movable cylinder (66) with connecting column (4)；Stud (65) is equipped with hexagonal flush nut (67) at slide plate (63)；
It is cased on stud (65) pressure spring (68), pressure spring (68) both ends are equipped with stop collar (69).
5. bridge earthquake resistance device according to claim 1, it is characterised in that: the Buffer Unit (7), including top and activity
The footstock (76) of plate (3) connection；Footstock (76) bottom is connect through telescopic mast (75) with bottom plate (5)；Footstock (76) both ends are through connecting rod
(77) hingedly with sliding block (73), sliding block (73) side is connect through spring (72) with fixed block (71)；Pilot hole on sliding block (73)
It is slidably connected with guiding axis (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558136.9A CN109914225B (en) | 2018-12-19 | 2018-12-19 | Bridge anti-seismic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558136.9A CN109914225B (en) | 2018-12-19 | 2018-12-19 | Bridge anti-seismic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109914225A true CN109914225A (en) | 2019-06-21 |
| CN109914225B CN109914225B (en) | 2024-03-26 |
Family
ID=66959960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811558136.9A Active CN109914225B (en) | 2018-12-19 | 2018-12-19 | Bridge anti-seismic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109914225B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608262A (en) * | 2019-10-14 | 2019-12-24 | 无锡能电动力科技有限公司 | Generating set vibration damping mount |
| CN112392907A (en) * | 2019-08-12 | 2021-02-23 | 华龙国际核电技术有限公司 | Anti-seismic support |
| CN112695611A (en) * | 2020-12-30 | 2021-04-23 | 朱锋 | Bridge ductile earthquake-resistant structure easy to replace after earthquake |
| CN113623358A (en) * | 2021-10-12 | 2021-11-09 | 睿丰自动化科技海门有限公司 | Mechanical equipment antidetonation frame of high stability |
| CN113969541A (en) * | 2020-07-24 | 2022-01-25 | 上海通亿橡塑制品有限公司 | Damping support for road and bridge |
| CN114016396A (en) * | 2021-11-30 | 2022-02-08 | 重庆交通职业学院 | Combined supporting structure for transverse earthquake resistance of three-span bridge |
| CN114622479A (en) * | 2022-04-28 | 2022-06-14 | 大连交通大学 | Ultra-high performance concrete UHPC-based anti-seismic beam set and design method |
| CN114855595A (en) * | 2022-05-24 | 2022-08-05 | 大连交通大学 | Steel bridge structure with multiple buffering and damping mechanisms |
| CN114893002A (en) * | 2022-06-22 | 2022-08-12 | 中国建筑第二工程局有限公司 | Recyclable construction channel structure for lined villas and construction method thereof |
| CN114990986A (en) * | 2022-04-28 | 2022-09-02 | 徐亚飞 | Anti-seismic device for bridge |
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| CN206873279U (en) * | 2017-05-11 | 2018-01-12 | 张莉 | A kind of bridge girder anti-seismic bearing |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112392907A (en) * | 2019-08-12 | 2021-02-23 | 华龙国际核电技术有限公司 | Anti-seismic support |
| CN110608262B (en) * | 2019-10-14 | 2024-03-12 | 无锡能电动力科技有限公司 | Damping base of generator set |
| CN110608262A (en) * | 2019-10-14 | 2019-12-24 | 无锡能电动力科技有限公司 | Generating set vibration damping mount |
| CN113969541A (en) * | 2020-07-24 | 2022-01-25 | 上海通亿橡塑制品有限公司 | Damping support for road and bridge |
| CN112695611A (en) * | 2020-12-30 | 2021-04-23 | 朱锋 | Bridge ductile earthquake-resistant structure easy to replace after earthquake |
| CN113623358A (en) * | 2021-10-12 | 2021-11-09 | 睿丰自动化科技海门有限公司 | Mechanical equipment antidetonation frame of high stability |
| CN113623358B (en) * | 2021-10-12 | 2021-12-10 | 睿丰自动化科技海门有限公司 | Mechanical equipment antidetonation frame of high stability |
| CN114016396A (en) * | 2021-11-30 | 2022-02-08 | 重庆交通职业学院 | Combined supporting structure for transverse earthquake resistance of three-span bridge |
| CN114990986A (en) * | 2022-04-28 | 2022-09-02 | 徐亚飞 | Anti-seismic device for bridge |
| CN114622479B (en) * | 2022-04-28 | 2023-11-24 | 中筑(深圳)设计院有限公司 | Anti-seismic beam group based on ultra-high performance concrete UHPC and design method |
| CN114622479A (en) * | 2022-04-28 | 2022-06-14 | 大连交通大学 | Ultra-high performance concrete UHPC-based anti-seismic beam set and design method |
| CN114990986B (en) * | 2022-04-28 | 2024-05-07 | 徐亚飞 | Anti-seismic device for bridge |
| CN114855595A (en) * | 2022-05-24 | 2022-08-05 | 大连交通大学 | Steel bridge structure with multiple buffering and damping mechanisms |
| CN114855595B (en) * | 2022-05-24 | 2024-05-14 | 北京博知川科技服务有限公司 | Steel bridge structure with multiple buffering and damping mechanisms |
| CN114893002A (en) * | 2022-06-22 | 2022-08-12 | 中国建筑第二工程局有限公司 | Recyclable construction channel structure for lined villas and construction method thereof |
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|---|---|
| CN109914225B (en) | 2024-03-26 |
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