CN106758775B - A kind of bridge damper based on lever principle - Google Patents
A kind of bridge damper based on lever principle Download PDFInfo
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- CN106758775B CN106758775B CN201611196548.3A CN201611196548A CN106758775B CN 106758775 B CN106758775 B CN 106758775B CN 201611196548 A CN201611196548 A CN 201611196548A CN 106758775 B CN106758775 B CN 106758775B
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- steel plate
- bridge
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- sliding
- viscous
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of bridge dampers based on lever principle, including slideway, sliding seat, fixed seat, sliding shaft, viscous-elastic material layer, polylith shearing steel plate；Slideway is fixed on the lower end of the floorings of bridge, and sliding seat is slidably mounted on slideway, and fixed seat is fixed in the supporting beam of bridge, and shearing steel plate is fixed in supporting beam, and sliding shaft is pivotally mounted in fixed seat；Runner assembly includes integrally formed rotation axis, connection steel pole, polylith rotation steel plate；Rotation axis is mounted on sliding seat, and the upper end for connecting steel pole connects with rotation axis, and polylith rotation steel plate is arranged in the lower end of connection steel pole, and the connection steel pole of opposite sliding shaft sliding passes through sliding shaft；Polylith shearing steel plate forms multiple placing grooves, rotates steel plate and viscous-elastic material layer is placed in placing groove, rotation steel plate or shearing steel plate are equipped between two viscous-elastic material layers.The present invention has good damping effect, belongs to the technical field of earthquake-resistant building.
Description
Technical field
The present invention relates to the technical field of earthquake-resistant building more particularly to a kind of bridge dampers based on lever principle.
Background technology
In recent years, China has carried out a large amount of research work in terms of the shock insulation of engineering structure, vibration damping and vibration control, takes
Obtain plentiful and substantial achievement in research.Traditional Aseismic Design teacher resists geological process by the anti-seismic performance of enhancing structure itself, i.e.,
With structure storage itself and earthquake energy to meet Structural design earthquake level for earthquake resistant works：No damage in small earthquake, middle shake can repair, and big shake is not
.And this antidetonation mode lacks capacity of self-regulation, under uncertain geological process, it is likely that be unsatisfactory for safety and want
It asks.And structural vibration control technology provides a reasonable effective approach for earthquake-resistant structure.Wherein, energy-dissipating and shock-absorbing is a kind of quilt
Dynamic control measure, be guide the seismic energy of input structure into be especially arranged mechanism and element is absorbed and consumed energy, thus
The safety of agent structure can be protected.
Have a lot of energy-consumption shock-absorption devices at present, but there is no the structure of Design enlargement in energy-consumption shock-absorption device, makes to subtract
The effect of shake is amplified, and more obvious energy-dissipating and shock-absorbing is played under the action of small.
Invention content
For the technical problems in the prior art, the purpose of the present invention is：A kind of bridge based on lever principle is provided
Beam damper has good damping effect.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of bridge damper based on lever principle, including slideway, sliding seat, fixed seat, sliding shaft, rotating group
Part, viscous-elastic material layer, polylith shearing steel plate；Slideway is fixed on the lower end of the floorings of bridge, and sliding seat is slidably installed
On slideway, fixed seat is fixed in the supporting beam of bridge, and shearing steel plate is fixed in supporting beam, and sliding shaft is pivotally pacified
In fixed seat；Runner assembly includes integrally formed rotation axis, connection steel pole, polylith rotation steel plate；Rotation axis is mounted on
On sliding seat, the upper end for connecting steel pole connects with rotation axis, and polylith rotation steel plate is arranged in the lower end of connection steel pole, opposite to slide
The connection steel pole of shaft sliding passes through sliding shaft；Polylith shearing steel plate forms multiple placing grooves, rotates steel plate and viscoelasticity material
The bed of material is placed in placing groove, and rotation steel plate or shearing steel plate are equipped between two viscous-elastic material layers.
It is further：The slideway being along the bridge arranged along bridge includes substrate and the both ends below substrate is arranged
First prominent plate, the first prominent plate and substrate form sliding slot.The structure for forming sliding slot simply, convenient for sliding seat is slided.
It is further：Sliding seat includes pedestal and two lifting lugs, and two lifting lugs are separately positioned on the rear and front end of pedestal,
Pedestal is equipped with rotation slot；From preceding apparent direction, a complete circle is formed in the lifting lug and rotation slot of semi-circular shape.This
Kind of mode can be used for carrying the weight of runner assembly, while rotation axis can be rotated with opposite base, be that entire damper plays and subtracts
Shake the essential condition of effect.
It is further：The both ends of pedestal upper end are equipped with the second prominent plate, and the second prominent plate and pedestal form card slot, the second prominent plate
In the sliding slot that the first prominent plate and substrate are formed, the first prominent plate is located in the card slot that the second prominent plate and pedestal are formed.This shape
The slide construction of formula is simple, is slided along slideway convenient for sliding seat, when displacement along the bridge occurs for floorings and supporting beam,
Damper will not be destroyed.
It is further：Fixed seat includes two fixing bearings and matrix, two fixing bearings along being along the bridge arranged,
Matrix is arranged at the both ends of fixing bearing, and sliding shaft is mounted in fixing bearing.The structure of fixed seat is simple, cost of manufacture
Low, sliding shaft can be relatively fixed seat rotation.
It is further：Sliding shaft is equipped with the through-hole passed through for connecting steel pole.Steel pole is connected when swinging, is driven
Sliding shaft is relatively fixed seat rotation, while connecting steel pole and being slided with respect to sliding shaft.
It is further：The lower end for connecting steel pole is equipped with multiple notches, and polylith rotation steel plate is embedded in connection steel pole lower end
Notch on.The fixed form for connecting steel pole and rotation steel plate is simply secured.
It is further：There are four viscous-elastic material layers, and there are three shearing steel plates, there are two rotation steel plates, three shearings
Steel plate forms two placing grooves；From front to back, shearing steel plate, viscous-elastic material layer, rotation steel plate, viscous-elastic material are followed successively by
Layer, shearing steel plate, viscous-elastic material layer, rotation steel plate, viscous-elastic material layer, shearing steel plate.Viscous-elastic material layer, shear steel
It plate, the quantity for rotating steel plate and puts in order and can play better damping effect.
It is further：Connection type between viscous-elastic material layer, shearing steel plate, rotation steel plate is that vulcanization connects.Sulphur
Change mode is connected as ripe technology, and good damping effect.
Generally speaking, the invention has the advantages that：
The configuration of the present invention is simple, damping effect is apparent, has good damping effect, and water occurs in floorings and supporting beam
The relative displacement of left and right directions in plane, rotates steel plate and larger relative displacement occurs for viscous-elastic material layer, good to reach
Good damping effect.Present invention materials are simple, are easy to make, and installation and removal are convenient, and Hysteresis Behavior is stable, is easily changed, and has
There are important economy and use value, is with a wide range of applications in earthquake-resistant structure field.
Description of the drawings
Fig. 1 is the front view of the present invention, is not drawn into sliding shaft.
Fig. 2 is the stereogram of the present invention.
Fig. 3 is the explosive view of slideway, sliding seat, fixed seat, sliding shaft.
Fig. 4 is the stereogram of runner assembly.
Fig. 5 is the explosive view of polylith shearing steel plate and viscous-elastic material layer.
Wherein, 1 is floorings, and 2 be supporting beam, and 3 be bridge pier, and 4 be slideway, and 5 be sliding seat, and 6 be fixed seat, and 7 be rotation
Axis, 8 be connection steel pole, and 9 is rotate steel plate, and 10 be viscous-elastic material layer, and 11 be shearing steel plate, and 12 be placing groove, and 13 be substrate,
14 be the first prominent plate, and 15 be sliding slot, and 16 be pedestal, and 17 be lifting lug, and 18 be the second prominent plate, and 19 be card slot, and 20 be fixing bearing, 21
It is sliding shaft for matrix, 22,23 be the through-hole on sliding shaft.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
For sake of convenience, now hereafter described orientation is provided as follows：Hereafter described front-rear direction up and down and Fig. 1
The front-rear direction up and down of projection relation is consistent.
In the prior art, bridge includes floorings, supporting beam, bridge pier；Supporting beam is located on bridge pier, and floorings are located at support
Liang Shang is equipped with connecting component between supporting beam and floorings, supporting beam plays the role of supporting floorings, and vehicle is on floorings
Traveling.
In conjunction with shown in Fig. 1 to Fig. 5, a kind of bridge damper based on lever principle, including slideway, sliding seat, fixed seat,
Sliding shaft, runner assembly, viscous-elastic material layer, polylith shearing steel plate；Slideway is fixed on the lower end of the floorings of bridge, sliding
Seat is slidably mounted on slideway, and fixed seat is fixed in the supporting beam of bridge, and shearing steel plate is fixed in supporting beam, sliding
Shaft is pivotally mounted in fixed seat；Runner assembly includes integrally formed rotation axis, connection steel pole, polylith rotation steel
Plate；Rotation axis is pivotally mounted on sliding seat, and the upper end for connecting steel pole connects with rotation axis, and polylith rotates steel plate setting and exists
The lower end of steel pole is connected, the connection steel pole of opposite sliding shaft sliding passes through sliding shaft；Polylith shearing steel plate forms multiple put
Set slot, rotate steel plate and viscous-elastic material layer is placed in placing groove, be equipped between two viscous-elastic material layers rotation steel plate or
Shearing steel plate.
Slideway along the along the bridge setting of bridge, i.e., sliding seat along slideway glide direction and bridge along the bridge
Unanimously, the forward or backward direction that along the bridge i.e. vehicle travels.Slideway includes substrate and is arranged below substrate the of both ends
One prominent plate, i.e., there are two the quantity of the first prominent plate, and the left end below substrate is arranged in a first prominent plate, another first prominent plate
The right end being arranged below substrate.First prominent plate and substrate are fixed to each other, what the first prominent plate and substrate can be integrally formed, and
One prominent plate and substrate form sliding slot.
Sliding seat includes pedestal and two lifting lugs, and two lifting lugs and pedestal are integrally formed, and two lifting lugs are separately positioned on base
The rear and front end of seat, pedestal are equipped with rotation slot, from preceding apparent direction, rotation slot semicircular in shape；From preceding apparent direction, it is in
The lifting lug and rotation slot of semi-circular shape form a complete circle.The both ends of pedestal upper end are equipped with the second prominent plate, i.e., second is prominent
There are two the quantity of plate, and the left end in pedestal upper end is arranged in a second prominent plate, another second prominent plate is arranged in pedestal upper end
Right end；Two the second prominent plates and pedestal form card slot, and the second prominent plate is located in the sliding slot that the first prominent plate and substrate are formed, and first
Prominent plate is located in the card slot that the second prominent plate and pedestal are formed.First rotation axis is placed in rotation slot, and two lifting lugs hang rotation axis
Both ends.Sliding seat is it is also possible that design：Sliding seat includes pedestal and two bearings, and two bearings are fixed on the front and back of pedestal
Both ends, two bearings are set in the rear and front end of rotation axis.Rotation axis is arranged along front-rear direction, rotation axis and sliding seat
Assembly method there are many, can be chosen and be designed according to actual needs.
Fixed seat includes two fixing bearings and matrix, and two fixing bearings are arranged along the bridge (front-rear direction),
Matrix is arranged at the both ends of fixing bearing, i.e. matrix has two parts, a part of matrix that the left end in fixing bearing, another portion is arranged
Divide matrix that the right end in fixing bearing is set.Entire fixed seat is fixed in supporting beam, and two fixing bearings are sleeved on sliding and turn
On axis, sliding shaft is mounted in fixing bearing.
Sliding shaft is equipped with the through-hole passed through for connecting steel pole.It is in rod-shaped to connect steel pole, and sliding shaft is equipped with side
Shape hole, connection steel pole pass through the square hole on sliding shaft.Steel pole is connected when swinging, drives sliding shaft to be relatively fixed seat and turns
It is dynamic, while connecting steel pole and being slided with respect to sliding shaft.
The lower end for connecting steel pole is equipped with multiple notches, and the quantity of notch is consistent with the rotation quantity of steel plate, and polylith rotates steel
Plate is embedded on the notch of connection steel pole lower end.What rotation axis, connection steel pole and rotation steel plate were integrally formed, it is fixed to each other
's.
The rear and front end face of each viscous-elastic material layer should be respectively shearing steel plate or rotation steel plate.Viscous-elastic material
There are four layers, and there are three shearing steel plates, there are two rotation steel plates, and three shearing steel plates form two placing grooves, three shear steels
Plate is integrally fixed at together, what three shearing steel plates were integrally formed.A kind of their order of connection is, from front to back, successively
For shearing steel plate, viscous-elastic material layer, rotation steel plate, viscous-elastic material layer, shearing steel plate, viscous-elastic material layer, rotation steel plate,
Viscous-elastic material layer, shearing steel plate.Connection type between viscous-elastic material layer, shearing steel plate, rotation steel plate is that vulcanization connects,
The rotation steel plate of back is mutually fixed with supporting beam.In actual use, viscous-elastic material layer, shearing steel plate, the number for rotating steel plate
Amount should be selected according to actual conditions.
The principle of the present invention is described below：
When an earthquake occurs, on floorings and supporting beam occurred level face left and right directions (width directions of floorings) phase
To displacement, slideway and sliding seat are swung along left and right directions, and rotation axis is with respect to sliding seat left-right rotation, and connection steel pole is with rotation
Shaft rotation is dynamic, and the rotation for connecting steel pole drives sliding shaft to be relatively fixed seat rotation, while connecting steel pole and being slided with respect to sliding shaft,
Steel plate is rotated with connection steel pole rotation, rotates the rotation of steel plate so that viscous-elastic material layer deforms upon, and viscous-elastic material layer exists
It is deformed upon between rotation steel plate and shearing steel plate, to earthquake energy, achievees the effect that damping.The damper utilizes thick stick
The principle (fulcrum that lever is equivalent at sliding shaft) of bar has enlarge-effect, on floorings and supporting beam occurred level face
When some relative displacements of left and right directions, pass through rotate steel plate rotation so that rotation steel plate and viscous-elastic material layer occur compared with
Big relative displacement, to reach better damping effect, and damper is only in left and right directions in (width directions of floorings)
Play damping effect, when the along the bridge relative displacement of (front-rear direction) occurs for floorings and supporting beam, sliding seat and its under
The component on side is moved with supporting beam front-rear direction, and sliding seat is then moved forward and backward along slideway, and entire damper will not be by broken
It is bad.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (9)
1. a kind of bridge damper based on lever principle, it is characterised in that：Turn including slideway, sliding seat, fixed seat, sliding
Axis, runner assembly, viscous-elastic material layer, polylith shearing steel plate；Slideway is fixed on the lower end of the floorings of bridge, sliding seat sliding
It is mounted on slideway, fixed seat is fixed in the supporting beam of bridge, and shearing steel plate is fixed in supporting beam, and sliding shaft turns likes
It is mounted in fixed seat to dynamic formula；Runner assembly includes integrally formed rotation axis, connection steel pole, polylith rotation steel plate；Rotation
Axis is mounted on sliding seat, and the upper end for connecting steel pole connects with rotation axis, and polylith rotation steel plate is arranged in the lower end of connection steel pole,
The connection steel pole of opposite sliding shaft sliding passes through sliding shaft；Polylith shearing steel plate forms multiple placing grooves, rotation steel plate and
Viscous-elastic material layer is placed in placing groove, and rotation steel plate or shearing steel plate are equipped between two viscous-elastic material layers；Slideway and
Rotation axis rotates steel plate and is arranged along the width direction of floorings each along the along the bridge setting of bridge.
2. a kind of bridge damper based on lever principle described in accordance with the claim 1, it is characterised in that：Along the suitable of bridge
The slideway of bridge direction setting includes substrate and the first prominent plate at both ends is arranged below substrate, and the first prominent plate and substrate form cunning
Slot.
3. a kind of bridge damper based on lever principle according to claim 2, it is characterised in that：Sliding seat includes base
Seat and two lifting lugs, two lifting lugs are separately positioned on the rear and front end of pedestal, and pedestal is equipped with rotation slot；From preceding apparent direction
It sees, a complete circle is formed in the lifting lug and rotation slot of semi-circular shape.
4. a kind of bridge damper based on lever principle described in accordance with the claim 3, it is characterised in that：The two of pedestal upper end
End is equipped with the second prominent plate, and the second prominent plate and pedestal form card slot, and the second prominent plate is located in the sliding slot that the first prominent plate and substrate are formed,
First prominent plate is located in the card slot that the second prominent plate and pedestal are formed.
5. a kind of bridge damper based on lever principle described in accordance with the claim 1, it is characterised in that：Fixed seat includes two
A fixing bearing and matrix, two fixing bearings are along being along the bridge arranged, and matrix is arranged at the both ends of fixing bearing, and sliding turns
Axis is mounted in fixing bearing.
6. a kind of bridge damper based on lever principle described in accordance with the claim 1, it is characterised in that：It is set on sliding shaft
It is useful for the through-hole that connection steel pole passes through.
7. a kind of bridge damper based on lever principle described in accordance with the claim 1, it is characterised in that：It connects under steel pole
End is equipped with multiple notches, and polylith rotation steel plate is embedded on the notch of connection steel pole lower end.
8. a kind of bridge damper based on lever principle described in accordance with the claim 1, it is characterised in that：Viscous-elastic material layer
There are four, there are three shearing steel plates, there are two rotation steel plates, and three shearing steel plates form two placing grooves；From front to back, successively
For shearing steel plate, viscous-elastic material layer, rotation steel plate, viscous-elastic material layer, shearing steel plate, viscous-elastic material layer, rotation steel plate,
Viscous-elastic material layer, shearing steel plate.
9. a kind of bridge damper based on lever principle according to claim 8, it is characterised in that：Viscous-elastic material
Connection type between layer, shearing steel plate, rotation steel plate is that vulcanization connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196548.3A CN106758775B (en) | 2016-12-22 | 2016-12-22 | A kind of bridge damper based on lever principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196548.3A CN106758775B (en) | 2016-12-22 | 2016-12-22 | A kind of bridge damper based on lever principle |
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| CN106758775A CN106758775A (en) | 2017-05-31 |
| CN106758775B true CN106758775B (en) | 2018-09-18 |
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| CN201611196548.3A Active CN106758775B (en) | 2016-12-22 | 2016-12-22 | A kind of bridge damper based on lever principle |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331191B (en) * | 2018-01-31 | 2023-07-25 | 广州大学 | Disc amplification damper |
| CN108179824B (en) * | 2018-02-24 | 2023-09-05 | 广州大学 | Damper for house beam column node |
| CN108412068A (en) * | 2018-02-24 | 2018-08-17 | 广州大学 | A kind of node amplification damper |
| CN108487061B (en) * | 2018-06-17 | 2023-11-03 | 辽宁工业大学 | Track auxiliary sliding block type anti-seismic expansion joint |
| CN108867333B (en) * | 2018-08-29 | 2023-11-10 | 广州大学 | Bridge energy consumption damping mechanism |
| CN108914764B (en) * | 2018-08-29 | 2023-10-27 | 广州大学 | Bridge energy consumption damping mechanism adopting viscous damper |
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|---|---|---|---|---|
| CN1245858A (en) * | 1999-03-23 | 2000-03-01 | 陈月明 | Lever viscoelastic damper |
| JP2003155839A (en) * | 2001-11-24 | 2003-05-30 | Kenjiro Ogata | Vibration-isolation damper |
| CN1605768A (en) * | 2003-10-06 | 2005-04-13 | 托克轴承株式会社 | Rotating damper |
| JP2009103147A (en) * | 2007-10-19 | 2009-05-14 | Yamashita Rubber Co Ltd | Active pendulum type dynamic damper |
| CN103603917A (en) * | 2013-11-18 | 2014-02-26 | 大连理工大学 | Magneto-rheological damper for suspended mass pendulum |
| CN206396619U (en) * | 2016-12-22 | 2017-08-11 | 广州大学 | A kind of damper for bridge |
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2016
- 2016-12-22 CN CN201611196548.3A patent/CN106758775B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245858A (en) * | 1999-03-23 | 2000-03-01 | 陈月明 | Lever viscoelastic damper |
| JP2003155839A (en) * | 2001-11-24 | 2003-05-30 | Kenjiro Ogata | Vibration-isolation damper |
| CN1605768A (en) * | 2003-10-06 | 2005-04-13 | 托克轴承株式会社 | Rotating damper |
| JP2009103147A (en) * | 2007-10-19 | 2009-05-14 | Yamashita Rubber Co Ltd | Active pendulum type dynamic damper |
| CN103603917A (en) * | 2013-11-18 | 2014-02-26 | 大连理工大学 | Magneto-rheological damper for suspended mass pendulum |
| CN206396619U (en) * | 2016-12-22 | 2017-08-11 | 广州大学 | A kind of damper for bridge |
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