CN106087720A - Engineering aseismatic bearing - Google Patents
Engineering aseismatic bearing Download PDFInfo
- Publication number
- CN106087720A CN106087720A CN201610494682.5A CN201610494682A CN106087720A CN 106087720 A CN106087720 A CN 106087720A CN 201610494682 A CN201610494682 A CN 201610494682A CN 106087720 A CN106087720 A CN 106087720A
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- sliding panel
- arc
- groove
- bearing
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Classifications
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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
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of engineering aseismatic bearing, for the problem solving existing bearing poor seismic behavior.It includes upper, middle, and lower part, wherein, middle part point includes the first sliding panel and second sliding panel of superposition from top to bottom, wherein, it is rotatably assorted between first sliding panel and upper part, each edge placement at alar part lower surface arranges flexible member, is coordinated by the second sliding panel between described first sliding panel and lower part, and second, third arc dentation on the upper and lower surface of the second sliding panel is arranged substantially perpendicular to each other.Use this structure bearing in the case of bearing capacity and anti-seismic performance are constant, height reduction about 40%, it is achieved the flattening of product, more there is during bridge, construction and installation advantage.
Description
Technical field
This invention relates to widely used bearing in field of engineering technology, is particularly suited for bridge, building, steel construction, tool
Say it is a kind of bearing with three-dimensional pooling feature body.
Background technology
In science of bridge building, assembled architecture, bearing is widely used, and the main effect of bearing is antidetonation, slows down punching
Hit.
Under or some reason relatively big at earthquake magnitude, structure " the most anti-" has been difficult to meet intended shockproof when requiring, uses shock insulation
Technology reduces the input seismic energy of structure, it is possible to reach good effect.The essential of shock insulation be make structure or parts with
Earthquake ground motion or the support movement that may cause destruction are separated, and cut off the route of transmission of seismic energy, make to be input to
Seismic force on building structure and energy reduce, thus reduce the earthquake response of superstructure, reach expected from set up defences requirement.
This separation or decoupling are to arrange Seismic Isolation of Isolation Layer by the specific part in engineering structure, arrange isolator, antivibrator
Or other auxiliary equipments, to extend the natural vibration period of total system, to increase structural damping, so that structure is made in earthquake
Dynamic response (acceleration, speed, displacement) under with obtains conservative control, it is ensured that people, instrument in structure itself and structure, set
Ground safety such as standby, finishing and be in and use environment normally.
By the difference of energy-dissipating and shock-absorbing principle, shock insulation type includes laminated rubber bases shock insulation, lead core rubber support shock insulation, rolling
Pearl (or roller bearing) shock insulation, hang base isolation, wave bearing shock insulation, sliding support shock insulation etc..
As a example by laminated rubber bases, it is simply that by arranging the rubber layer of multilamellar, play the effect of cushion impact forces, but
Can not fundamentally solve above-mentioned problem.
Still measure from increase elastic force for this most making and send out, the bearing of development of new, such as Chinese patent Shen
Please the bearing disclosed in CN102839751B, it is simply that slow down antidetonation by increasing vertically arranged butterfly spring.This knot
The making of structure has preferable discomposing effect for the impulsive force on vertical direction, but for the discomposing effect in horizontal direction
Inconspicuous.
Applicant is found by research, for the Seismic mechanism of horizontal impact power and vertical direction impulsive force in earthquake not
With, wherein, the Seismic mechanism of vertical direction impulsive force is to be produced by building, the deadweight of bridge self in the vertical direction
Small elevating movement balances out, and utilization is that gravitional force does work mechanism, in horizontal direction, currently with mainly
Elastic buffer, a kind of bearing that such as Chinese patent CN203891201 provides, the most just it is provided with buffer spring,
By spring, it is buffered, but spring only has certain shock-absorbing capacity, for the consumption of energy and absorptance relatively
Few, the result so caused is exactly building or bridge still there will be violent, rock for a long time, damping effect is not
Preferable.
It is to say, in the vertical direction uses spring shock absorption effect obvious, but spring is utilized to subtract in the horizontal direction
Shake, effect is unsatisfactory, and effect is poor.Occur that the reason of this species diversity is in horizontal direction not have what gravitional force was offset
Problem.
Another one problem, in aseismatic bearing, widely used bearing, employ butterfly spring in a large number and subtracted
Shake, known, the superposition quantity of butterfly spring is the most, and damping effect is the best, then for reaching preferable damping effect, unrestrictedly
Increase butterfly spring usage quantity, cause the height of bearing to sharply increase, as a example by a common bridge bearing, its bearing
Highly up to more than 40 centimetres, bearing is the highest, and the stability for supporting bridge is the most unfavorable, so, how to ensure antidetonation effect
In the case of Guo, the volume of compress leg as far as possible, the especially size in short transverse, it appears particularly important.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of engineering aseismatic bearing, for bridge, building, steel
Seismic support in structure, is that one has more preferable resistance horizontal impact and consumes impulsive force, solves existing height of support simultaneously
Problem oversize on direction.
The technical solution adopted for the present invention to solve the technical problems is:
Engineering aseismatic bearing, including upper, middle, and lower part, it is characterised in that
Top is divided into square block structure, and upper surface is smooth face, is provided with to lower open mouth in the bottom of upper part
Circular groove and annular recess, wherein circular groove and annular recess concentric arrange, and annular recess be positioned at circular groove
Outside,
Middle part point includes the first sliding panel and second sliding panel of superposition from top to bottom, and wherein, the first sliding panel top is
Cylindric, the circumferentially disposed annular groove in columned top, use the first steel ball between described circular groove and groove
It is rotatably assorted, there is at the middle part of the first sliding panel alar part, by being arranged between described alar part upper surface and upper part
The second steel ball in annular recess coordinates, and each edge placement at alar part lower surface arranges flexible member,
First arc groove that bottom is indent of described first sliding panel, and along arc square in the first arc groove
To having the first arc dentation,
Described second sliding panel is the arc that direction symmetry arches upward up and down, in the upper and lower surface shape of the second sliding panel
Become the first arcwall face and the second arcwall face, and the first arcwall face and the second arcwall face arranged substantially perpendicular to each other, on the first arcwall face
Arc trend is provided with the second arc dentation (221), the second arcwall face is provided with the 3rd along arc trend
Arc dentation,
Second, third arc dentation on the upper and lower surface of described second sliding panel is arranged substantially perpendicular to each other,
Lower part is the groove-like structure being made up of bottom and four ribs, and portion raises up in a groove, protruding and
Form an annular groove in region between rib, and be provided with on the inwall of annular groove (34) four vertically arranged
Politef pad, has in convex top and carries out coordinating the 4th arc dentation with described second sliding panel lower surface；
In second, third arc dentation on the upper and lower surface of the second sliding panel, surface configuration has spaced
First friction part and the first guide part.
Further, described first friction part uses braking automobile sheet material hot pressing one on the second sliding panel to become
Type.
Further, the profiled outline of described first arc dentation to the 4th arc dentation is same size
Trapezoidal.
Further, described flexible member is leaf spring.
The invention has the beneficial effects as follows:
1, product flattening, use this structure bearing in the case of bearing capacity and anti-seismic performance are constant, height fall
Low by about 40%, it is achieved the flattening of product, more there is during bridge, construction and installation advantage.
2, in aseismatic bearing, rubbing by brake material and metal guide part between the first sliding panel and the second sliding panel
Wipe, the principle of simulated automotive brake block, by the vibration energy in the elimination of level direction that rubs, the most quickly consume vibrational energy.
3, whole bearing shakes in the range of controlled 20 millimeters, and vibrations are the carrying out of the little amplitude of altofrequency, and
There is the effect of friction energy-dissipating, effectively building, the main body of bridge are protected.
4, the first sliding panel, be rigid contact between the second sliding panel and fixed plate, bearing capacity is outstanding.
5, there is aligning function, prevent from resetting.
Accompanying drawing explanation
Fig. 1 is the structure chart of invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the sectional view in Fig. 2 at B-B.
Fig. 4 is the sectional view in Fig. 2 at A-A.
Fig. 5 is the axonometric chart of upper part.
Fig. 6 is the first sliding panel axonometric chart.
Fig. 7 is the axonometric chart of the second slide plate.
Fig. 8 is the axonometric chart of lower part.
Fig. 9 is the axonometric chart after omission lower part.
Figure 10 is the axonometric chart after omitting the second slide plate in Fig. 9.
Figure 11 is the local structural graph of friction part
Figure 12 is the acceleration schematic diagram of sliding panel in relative sliding process.
Figure 13 is present invention application in bridge.
In figure: 1 upper part, 11 circular grooves, 12 annular recess, 13 first steel balls, 14 second steel balls,
Part in 2,21 first sliding panels, 211 is cylindric, 212 grooves, 213 alar parts, 214 flexible members, 215 first arcs
Connected in star, 216 first arc dentations,
22 second sliding panels, 221 second arc dentations, 2,211 first guide parts, 2,212 first friction parts, 2213 is resistance to
Mill structure, 2,221 first arcwall faces, 2,222 second arcwall faces, 223 the 3rd arc dentations,
3 lower part, bottom 31,32 ribs, 33 is protruding, 34 annular grooves, 341 politef pads, 35 the 4th arc-shaped gears
Shape projection；
9 bearings, 10 bridge piers, 101 bridges.
Detailed description of the invention
As shown in Figures 1 to 12, for existing defect, the protection main body of the present invention is as follows:
Exploitation is a kind of antidetonation, regulation of mental activities bearing, especially a kind of ultrathin bearing, under same anti-seismic performance, and should
Bearing size in the height direction is compressed into few half, and antidetonation improves.
Based on the description above, the concrete structure of this bearing is as follows:
Including upper, middle, and lower part, upper part 1 is used for and supported object connects, such as bridge, crossbeam, and has concurrently vertically
Elastic ability on direction.Middle part 2 has consumption vibrations, the ability of impact on three-dimensional, and possesses self-return
Regulation of mental activities ability.Lower part 3 is for being attached with support beam, post.
Upper part 1 is square block structure, and upper surface is smooth face, and is threaded hole on an upper, is used for
It is attached with supported object.
Be provided with the circular groove 11 to lower open mouth and annular recess 12 in the bottom of upper part, wherein circular groove 11 with
Annular recess 12 concentric is arranged, and annular recess 12 is positioned at the outside of circular groove.
By placing the steel ball of different-diameter in circular groove and annular recess, for ease of understanding, by above-mentioned steel ball
It is respectively labeled as the first steel ball 13 and the second steel ball 14, it is achieved rotating with middle part is connected according to position difference.
Middle part 2 includes first sliding panel the 21, second sliding panel 22, and wherein, the first sliding panel 21 top is cylindric
211, the circumferentially disposed annular groove 212 in columned top, and for and above-mentioned circular groove 11 coordinate, and
The first steel ball is used to coordinate between the groove 212 of circular groove and cylindrical-shaped structure, it is readily appreciated that upper part can be around
The column part on one sliding panel top rotates.
It is plate-like structure at the middle part of the first sliding panel 21, including the alar part 213 extended laterally from cylindrical portion, alar part
Between 213 upper surfaces and upper part, the second steel ball by being arranged in annular recess coordinates, and carries out vertical supporting.At the wing
The edge placement of portion 213 lower surface arranges flexible member 214, and the preferred a piece of leaf spring of this flexible member, quantity is four, sets respectively
Put four edges.
First arc groove 215 that bottom is indent of the first sliding panel 21, and along arc in the first arc groove
Setting direction has the first arc dentation 216, and this first arc dentation 216 is to arrange along the first arc groove
's.
Second sliding panel 22 generally arc, the structure the most upwards arched upward, at the upper surface of the second sliding panel 22
Be provided with the second arc dentation 221, for ease of describing, this second arc detent projection along horizontally set, for and the
One sliding panel coordinates, and forms the structure being engaged each other.
Described second sliding panel 22 is the arc that direction symmetry arches upward up and down, in the upper and lower surface of the second sliding panel
Form the first arcwall face 2221 and the second arcwall face 2222, and the first arcwall face and the second arcwall face arranged substantially perpendicular to each other,
On one arcwall face, arc trend is provided with the second arc dentation 221, the second arcwall face sets along arc trend
It is equipped with the 3rd arc dentation 223.
Second, third arc dentation on the upper and lower surface of the second above-mentioned sliding panel 22 is arranged substantially perpendicular to each other
's.
Lower part 3 is a groove-like structure, including bottom 31 and four ribs 32, forms recessed square recessed in inside
Form an annular groove 34 in groove, in a groove portion the most slightly convex 33, and the region between projection and rib, be used for
Accommodate foreign material, and on the inwall of annular groove 34, be provided with four vertically arranged politef pads 341, for buffering the
Impulsive force between one sliding panel 21 and the second sliding panel 22, it is to avoid hard collision.Formed some in protruding 33 top machinings
Arc dentation, is labeled as the 4th arc dentation 35, coordinates with the second above-mentioned sliding panel lower surface.
Above-mentioned lower part can use one-body molded, such as cast member, it would however also be possible to employ combinative structure, such as, by convex
Rise and groove-like structure is combined, process respectively.
Install successively between above-mentioned upper, middle, and lower part, form a dynamic assembly relation.
In second, third arc dentation on the upper and lower surface of the second sliding panel 22, surface configuration has interval to arrange
The first friction part and the first guide part, this wear-resistant coating generally uses braking automobile sheet material, carry out arrange pressing formed one
Body, concrete, for preventing wear-resistant coating.
It is described in detail below by the machining process of the second sliding panel, deepens the reason to the first sliding panel
Solve:
First preparing a steel plate, then two surfaces at steel plate carry out milling, form mutually both sides up and down and bloat
Arcwall face, be labeled as the first arcwall face and the second arcwall face, the trend of two of which arcwall face is perpendicular to one another, herein
Arcwall face is column arcwall face.Then formed between some grades each other by the machining mode of milling on the upper and lower surface of steel plate
Away from and the arc dentation that be arranged in parallel, and this arc dentation, two the most adjacent trapezoidal projections are respectively first
Guide part 2211 and the first friction part 2212, then, carry out the horizontal of intermittent by the trapezoidal projection in the first friction part 2212
Milling, forms some breach, after above-mentioned work completes, steel plate carries out the polish of entirety, then carries out heat treatment, after process
Steel plate possess anti-wear performance just, then to the first guide part 2211 and the inclined-plane of the first friction part 2212 both sides and top
Face refine, finally, be placed in special grinding apparatus in the first friction part breach use brake pad material be filled with, and
Use forcing press to carry out hot-forming, form the abrasion-proof structure 2213 of a local.
In the present invention, trapezium structure, increase contact area, reasonable engagement can be formed and be engaged, the plate being and plate
Between occlusion and carrying dynamics substantially increase, and be conducive to reducing the height of entirety, the beneficially flattening of product.
When earthquake occurs, can be formed between the first sliding panel and the second sliding panel, and the second sliding panel and lower part
A kind of slip relatively, at the initial stage of slip, during slip, frictional force during startup is less, it is possible to achieve quickly start, it is to avoid
Stuck, simultaneously as above-mentioned wear-resistant coating is that many groups are arranged in a crossed manner, the wear-resistant coating in adjacent arc dentation
When contacting with each other, frictional force can be caused to increase suddenly, be formed and slow down, concurrent heat loss vibration energy, simultaneously because be occlusion knot
Structure, rigidity, stability and tilting moment are the most fine, it is possible to achieve stable deceleration, during accelerating and slowing down, by frictional force
Formula understands, and now accelerates relatively big, relatively slides and be still within boost phase, overlapping mistake between abrasion-proof structure with abrasion-proof structure
After Ban, owing to the frictional force between abrasion-proof structure increases, have a speed-down action, and substantial amounts of earthquake energy.
Meanwhile, during the first sliding panel and the second sliding panel slide relatively, for carrier above vertically
There is a slight elevating movement on direction, while decomposing impulsive force, can effectively change earthquake period, during due to earthquake, water
Square to amplitude generally large, enter next cycle, in the process, it is ensured that between sliding panel, be used in adding repeatedly
Speed and moderating process, wherein acceleration a forms pulse pattern, positive and negative reciprocal switching, possesses regulation of mental activities callback function, can be by one
Big seismic amplitude is divided into multiple little aseismatic bearing Self-oscillation amplitude, and adjacent abrasion-proof structure and abrasion-proof structure, wear-resisting
Structure and guide part can produce substantial amounts of heat in friction process, consume vibrational energy, consume the energy that earthquake brings,
Effect is significantly larger than normally used spring, butterfly spring etc..Simultaneously by the high amplitude action by a narrow margin of earthquake, switch to building
Frequency low-amplitude action, the beneficially self-protection of building, bridge.
During above-mentioned, between upper and bottom section, in the vertical direction has a swing process, is used for offsetting
Gravitional force, and can automatically adjust back, there is aligning function, its principle is, the track along arc-shaped protrusions swings, and can make
Become being lifted of supported object (bridge or house), and then rely on the gravitional force of self to consume the impact on vertical direction
Dynamics, the impulsive force in the impulsive force of above-mentioned horizontal direction and vertical direction is obtained for and well slows down and eliminate, antidetonation
Effect is obvious.
With reference to Figure 12, above-mentioned engineering bearing can be widely used in the environment such as building, bridge, steel construction,
When being wherein used in bridge, this bearing 9 is used between bridge pier 10 and bridge 101 as an entirety, plays and supports and antidetonation
Effect.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention
Enclose and be defined, on the premise of designing spirit without departing from the present invention, the relevant technical staff in the field's various changes to the present invention
Shape and improvement, all should expand in protection domain as determined by claims of the present invention.
Claims (5)
1. engineering aseismatic bearing, including upper, middle, and lower part, it is characterised in that
Upper part (1) is square block structure, and upper surface is smooth face, is provided with to lower open mouth in the bottom of upper part
Circular groove (11) and annular recess (12), wherein circular groove (11) is arranged with annular recess (12) concentric, and ring-type recessed
Groove (12) is positioned at the outside of circular groove,
Middle part (2) includes the first sliding panel (21) and second sliding panel (22) of superposition from top to bottom, wherein, the first sliding panel
(21) top is cylindric (211), the circumferentially disposed annular groove (212) in columned top, described circular groove
(11) and use the first steel ball (13) to be rotatably assorted between groove (212), at the middle part of the first sliding panel (21), there is the wing
Portion (213), described alar part (213) is carried out by the second steel ball being arranged in annular recess (12) between upper surface and upper part
Coordinating, each edge placement at alar part (213) lower surface arranges flexible member (214),
First arc groove (215) that bottom is indent of described first sliding panel (21), and in the first arc groove along
Arcuate directions has the first arc dentation (216),
Described second sliding panel (22) is the arc that direction symmetry arches upward up and down, in the upper and lower surface shape of the second sliding panel
Become the first arcwall face (2221) and the second arcwall face (2222), and the first arcwall face and the second arcwall face arranged substantially perpendicular to each other,
On first arcwall face, arc trend is provided with the second arc dentation (221), the second arcwall face is walked along arc
To being provided with the 3rd arc dentation (223),
Second, third arc dentation described is arranged substantially perpendicular to each other,
Lower part (3) is the groove-like structure being made up of bottom (31) and four ribs (32), and portion raises up in a groove
(33), form an annular groove (34) in the region between projection and rib, and set on the inwall of annular groove (34)
It is equipped with four vertically arranged politef pads, has at protruding (33) top and join with described second sliding panel lower surface
Close the 4th arc dentation (35).
Engineering aseismatic bearing the most according to claim 1, it is characterised in that at the upper and lower table of the second sliding panel (22)
In second, third arc dentation in face, surface configuration has spaced first friction part and the first guide part.
Engineering aseismatic bearing the most according to claim 2, it is characterised in that described first friction part uses braking automobile
Sheet material hot pressing is one-body molded on the second sliding panel.
Engineering aseismatic bearing the most according to claim 1, it is characterised in that described first arc dentation (216)
Profiled outline to the 4th arc dentation is the trapezoidal of same size.
Engineering aseismatic bearing the most according to claim 1, it is characterised in that described flexible member is leaf spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610494682.5A CN106087720A (en) | 2016-06-28 | 2016-06-28 | Engineering aseismatic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610494682.5A CN106087720A (en) | 2016-06-28 | 2016-06-28 | Engineering aseismatic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106087720A true CN106087720A (en) | 2016-11-09 |
Family
ID=57214555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610494682.5A Withdrawn CN106087720A (en) | 2016-06-28 | 2016-06-28 | Engineering aseismatic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106087720A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1037516A (en) * | 1996-07-19 | 1998-02-10 | Kankoku Genshiryoku Kenkyusho | Integrated type horizontal-vertical base isolating bearing |
| JP2010265927A (en) * | 2009-05-12 | 2010-11-25 | Hanshin Expressway Co Ltd | Sliding bearing for structure |
| CN102425235A (en) * | 2011-10-12 | 2012-04-25 | 北京工业大学 | Anti-pulling universal rolling supporting base |
| CN102953327A (en) * | 2012-11-15 | 2013-03-06 | 同济大学 | Lateral shock absorption damper suitable for bridge structure |
| CN103205925A (en) * | 2013-04-14 | 2013-07-17 | 张保忠 | Structure-enhanced rubber support |
| CN104254650A (en) * | 2011-11-30 | 2014-12-31 | 郝苏 | A class of bearings to protect structures from earthquake and other similar hazards |
| CN204570457U (en) * | 2015-02-13 | 2015-08-19 | 北京九州一轨隔振技术有限公司 | A kind of damping spring pot bearing |
| CN105113391A (en) * | 2015-09-22 | 2015-12-02 | 西安中交土木科技有限公司 | Replaceable modularized comb-like seismic mitigation and isolation bearing and preparation method thereof |
-
2016
- 2016-06-28 CN CN201610494682.5A patent/CN106087720A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1037516A (en) * | 1996-07-19 | 1998-02-10 | Kankoku Genshiryoku Kenkyusho | Integrated type horizontal-vertical base isolating bearing |
| JP2010265927A (en) * | 2009-05-12 | 2010-11-25 | Hanshin Expressway Co Ltd | Sliding bearing for structure |
| CN102425235A (en) * | 2011-10-12 | 2012-04-25 | 北京工业大学 | Anti-pulling universal rolling supporting base |
| CN104254650A (en) * | 2011-11-30 | 2014-12-31 | 郝苏 | A class of bearings to protect structures from earthquake and other similar hazards |
| CN102953327A (en) * | 2012-11-15 | 2013-03-06 | 同济大学 | Lateral shock absorption damper suitable for bridge structure |
| CN103205925A (en) * | 2013-04-14 | 2013-07-17 | 张保忠 | Structure-enhanced rubber support |
| CN204570457U (en) * | 2015-02-13 | 2015-08-19 | 北京九州一轨隔振技术有限公司 | A kind of damping spring pot bearing |
| CN105113391A (en) * | 2015-09-22 | 2015-12-02 | 西安中交土木科技有限公司 | Replaceable modularized comb-like seismic mitigation and isolation bearing and preparation method thereof |
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Application publication date: 20161109 |
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