CN108035244A - A kind of friction pendulum support and bridge subtract shock isolation system - Google Patents
A kind of friction pendulum support and bridge subtract shock isolation system Download PDFInfo
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- CN108035244A CN108035244A CN201711407422.0A CN201711407422A CN108035244A CN 108035244 A CN108035244 A CN 108035244A CN 201711407422 A CN201711407422 A CN 201711407422A CN 108035244 A CN108035244 A CN 108035244A
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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
- E01D19/042—Mechanical bearings
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Abstract
The present invention provides a kind of friction pendulum support and bridge and subtracts shock isolation system.Friction pendulum support includes upper base plate component, lower base plate assembly and spherical crown liner plate, spherical crown liner plate is slidedly arranged between upper base plate component and lower base plate assembly, lower base plate assembly includes bottom plate, lower support plate and locked component, lower support plate is slidedly arranged between bottom plate and spherical crown liner plate, locked component is arranged between lower support plate and bottom plate, locked component slip locations of locking bottom plate and lower support plate when earthquake displacement is more than temperature movement；The coefficient of sliding friction between bottom plate and lower support plate is less than the coefficient of sliding friction between spherical crown liner plate and upper base plate component, and less than the coefficient of sliding friction between spherical crown liner plate and lower base plate assembly.Bridge, which subtracts shock isolation system, includes fixed bearing, lateral type bearing and two friction pendulum supports described above, wherein a friction pendulum support is longitudinal type bearing, another friction pendulum support is multi-orientation type bearing.The present invention has the advantages that damping and isolation effect is good, security reliability is high, ride comfort is good.
Description
Technical field
The present invention relates to bridge pad field, more particularly to a kind of friction pendulum support and bridge to subtract shock isolation system.
Background technology
In recent years, subtracting seismic isolation technology, oneself is widely applied in all kinds of buildings, science of bridge building.Friction pendulum support is as a kind of allusion quotation
The vibration absorption and isolation support of type, its cardinal principle are by specific arc surface, substantially prolongs basic natural period of structure's vibration, pass through tool
Have high abrasion, seismic energy is converted into thermal energy by high-temperature resistant and the adjustable material of stable friction factor, it is achieved thereby that shock insulation and
The purpose of energy consumption.But there are problems with for existing friction pendulum support：
(1) temperature movement that existing Structure adaptation bridge floor expands with heat and contract with cold is overlapped mutually with being applicable in the earthquake displacement of shock insulation,
Friction coefficient can not change friction pendulum support during the work time, cause effectively discharge beam body strain during temperature movement, together
When excellent damping and isolation effect is also unable to reach in earthquake displacement；
(2) in earthquake, existing structural plan, which slides into the end, to drive swinging block to slide, in Integral swinging process
Collision impact will be produced inside middle bearing, property safe and reliable to operation is low, bearing service life is low；
(3) in the temperature movement that adaptation bridge floor expands with heat and contract with cold, existing structure is inevitably deposited since sphere slides
In vertical lifting so that the ride comfort of the superstructure such as bridge floor is poor, while be easy to cause the damage at expansion joint；
(4) existing structure is superimposed with earthquake displacement so that support displacement amount is big due to temperature movement, cause support plate and
The thickness of sliding panel is big, and financial cost is high；Meanwhile bridge subtracts shock isolation system and uses existing double sphere friction pendulum support costs
Height, and use scope is narrow.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies of the prior art and provide a kind of earthquake displacement and temperature movement
Separation, and security reliability is high, ride comfort is good, cost is low friction pendulum support and bridge subtract shock isolation system.
In order to solve the above technical problems, technical solution proposed by the present invention is：
A kind of friction pendulum support, including upper base plate component, lower base plate assembly and spherical crown liner plate, the spherical crown liner plate are slidedly arranged on
Between the upper base plate component and lower base plate assembly, the lower base plate assembly includes bottom plate, lower support plate and locked component, described
Lower support plate is slidedly arranged between bottom plate and spherical crown liner plate, and the locked component is arranged between lower support plate and bottom plate, the locking
Component slip locations of locking bottom plate and lower support plate when earthquake displacement is more than temperature movement；The bottom plate and lower support plate it
Between coefficient of sliding friction a be less than coefficient of sliding friction b between the spherical crown liner plate and upper base plate component, and be less than the ball
The coefficient of sliding friction c being preced between liner plate and lower base plate assembly.
Further as above-mentioned technical proposal is improved：
The locked component is two groups, and locked component is perpendicular to the lower support plate and the glide direction of bottom plate described in two groups
It is arranged symmetrically.
Each locked component includes positioning pin, is vertically directed hole and two location holes, and the hole that is vertically directed is arranged on down
On support plate；The positioning pin is axially displaceably installed on described be vertically directed in hole；Two location holes are divided into described
Both ends of the bottom plate along lower support plate glide direction a, wherein location hole is when earthquake displacement is more than temperature movement and positioning pin
Spacing cooperation.
The top for being vertically directed hole is bolted with cover board, is equipped between the cover board and positioning pin and is used to carry to positioning pin
For the elastic component of vertical active force.
The top of the positioning pin, which is equipped with, is used for the convenient taking-up component for taking out the unexpected positioning pin for falling into location hole, described
Take out the threaded hole that component includes being arranged on positioning pin, and the bolt coordinated with threaded hole.
The ratio of a and b is 1：The ratio of 3~10, a and c are 1：3~10.
When the friction pendulum support is longitudinal type bearing or lateral type bearing, the upper base plate component includes upper bracket plate
And two groups of guidance sets being arranged symmetrically perpendicular to bearing sliding direction, each guidance set include guide pad and shearing
Part, the guide pad are mounted at the bottom surface of the upper bracket plate by shear key, and spacing with the lower support plate
Coordinate.
The lower support plate is slidedly arranged on the bottom plate by slide assemblies, and the slide assemblies include being arranged on the bottom plate
On guide-track groove, and the fitting projection in the lower support plate, the fitting projection be slidably matched with guide-track groove.
The first planar lasting board is equipped between the upper plane and upper base plate component of the spherical crown liner plate, the spherical crown liner plate
Sphere wearing plate is equipped between lower peripheral surface and the lower concave spherical surface of lower support plate, is set between the lower plane and bottom plate of the lower support plate
There is the second planar lasting board.
A kind of bridge subtracts shock isolation system, including fixed bearing, lateral type bearing and two friction pendulums as described above
Bearing, wherein a friction pendulum support is longitudinal type bearing, another friction pendulum support is multi-orientation type bearing.
Compared with prior art, the advantage of the invention is that：
The present invention is equipped with locked component between lower support plate and bottom plate, and locked component is more than temperature movement in earthquake displacement
When locking bottom plate and lower support plate slip locations, i.e., lower support plate is along bottom plate when adapting to temperature movement that bridge floor expands with heat and contract with cold
Planar slide, the planar slip in earthquake between locked component locking lower support plate and bottom plate, passes through spherical crown liner plate sphere
Reciprocally swinging extends the bearing shock insulation cycle.The friction pendulum support of the present invention realizes the separation of earthquake displacement and temperature movement, i.e.,
Earthquake and temperature movement are adapted to using different being slidably matched so that bearing lock plane in earthquake is slided, and avoids plane
Collision impact phenomenon caused by slip, which raises security reliability and service life of the bearing in earthquake；And bearing passes through
Planar slide adaptive temperature displacement, avoids the phenomenon of bridge vertical lifting when sphere slides, ensure that bridge floor superstructure
Ride comfort, and the expansion joint of indirect protection bridge is against damages.Meanwhile using earthquake displacement form separated with temperature movement
So that support displacement amount is reduced, the problem of displacement causes greatly support plate body thickness big is avoided, which reduces financial cost.
Meanwhile the coefficient of sliding friction between bottom plate of the present invention and lower support plate be less than spherical crown liner plate and upper base plate component it
Between the coefficient of sliding friction, and less than the coefficient of sliding friction between spherical crown liner plate and lower base plate assembly, it causes friction pendulum branch
Seat convertible friction coefficient in temperature and earthquake displacement so that bearing uses small friction coefficient in temperature movement, with release
Beam body strains；Big friction coefficient is used in earthquake displacement, excellent damping and isolation effect is reached with increase damping.Which ensure that branch
Seat can play beam body strain and the damping and isolation effect of bearing in temperature and earthquake displacement.
The present invention bridge subtract shock isolation system equally have the advantages that it is above-mentioned, and by using friction pendulum support of the present invention with show
The combined arranging mode for having friction pendulum support enables bearing to adapt to bridge at the same time along bridge to the deformation with direction across bridge, and beam body becomes
Length travel, lateral displacement and vertical, horizontal corner are all unfettered caused by shape, have reached both easy to transmit end reaction,
Bearing is set fully to adapt to the effect of beam body Free Transform again.Meanwhile which obviate using double sphere friction pendulum supports it is of high cost,
The problem of use scope is narrow.That is the present invention ensures in the case where not changing the stress system of original structure and bearing bearing capacity
Damping and isolation effect during earthquake, and cost is low.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the front view of longitudinal type bearing of the present invention.
Fig. 2 is the structure diagram (normal operating conditions) of multi-orientation type bearing of the present invention.
Fig. 3 is the structure diagram (lock-out state after shake) of multi-orientation type bearing of the present invention.
Fig. 4 is the dimensional structure diagram (normal operating conditions) of friction pendulum support of the present invention.
Fig. 5 is the dimensional structure diagram (lock-out state after shake) of friction pendulum support of the present invention.
Fig. 6 is the structure diagram that bridge of the present invention subtracts shock isolation system.
Each label represents in figure：
1st, upper base plate component；11st, upper bracket plate；12nd, guidance set；121st, guide pad；122nd, shear key；2nd, lower seat board group
Part；21st, bottom plate；22nd, lower support plate；23rd, locked component；231st, positioning pin；232nd, it is vertically directed hole；233rd, location hole；234、
Cover board；235th, elastic component；3rd, spherical crown liner plate；4th, bridge subtracts shock isolation system；41st, fixed bearing；42nd, lateral type bearing；43rd, indulge
To type bearing；44th, multi-orientation type bearing；5th, slide assemblies；51st, guide-track groove；52nd, fitting projection；6th, the first planar lasting board；7th, ball
Face wearing plate；8th, the second planar lasting board.
Embodiment
Under will combine Figure of description and specific embodiment the present invention will be described in further details, but therefore do not limit
Protection scope of the present invention processed.
As shown in Figures 1 to 5, the friction pendulum support of the present embodiment, including upper base plate component 1, lower base plate assembly 2 and spherical crown
Liner plate 3.Wherein, upper base plate component 1 is fixed on Bridge Beam bottom plate, and lower base plate assembly 2 is fixed on bridge pier, and spherical crown liner plate 3 is slided
Between upper base plate component 1 and lower base plate assembly 2, to meet the multidirectional big corner of bridge and displacement request.
In the present embodiment, lower base plate assembly 2 includes bottom plate 21, lower support plate 22 and locked component 23.Wherein, lower support plate
22 are slidedly arranged between bottom plate 21 and spherical crown liner plate 3；Locked component 23 is arranged between lower support plate 22 and bottom plate 21, locked component 23
The slip locations of locking bottom plate 21 and lower support plate 22 when earthquake displacement is more than temperature movement.I.e. the present invention is adapting to bridge floor heat
Lower support plate 22 is along 21 planar slide of bottom plate during the temperature movement of swollen shrinkage, and in earthquake, locked component 23 locks lower support plate 22
With the planar slip between bottom plate 21, the bearing shock insulation cycle is extended by the reciprocally swinging of 3 sphere of spherical crown liner plate.The present invention's rubs
Wiping pendulum bearing realizes the separation of earthquake displacement and temperature movement, i.e., adapts to earthquake and temperature level using different being slidably matched
Move so that bearing lock plane in earthquake is slided, and collision impact phenomenon caused by avoiding planar slide, which raises bearing
Security reliability and service life in earthquake；And bearing avoids sphere slip by planar slide adaptive temperature displacement
The phenomenon of the vertical liftings of Shi Qiaoliang, ensure that the ride comfort of bridge floor superstructure, and the expansion joint of indirect protection bridge from
Damage.Meanwhile using earthquake displacement form separated with temperature movement support displacement amount is reduced, avoid displacement and make greatly
Into bearing plate thickness it is big the problem of, which reduce financial cost.
In the present embodiment, the coefficient of sliding friction a between bottom plate 21 and lower support plate 22 is less than spherical crown liner plate 3 and upper base plate
Coefficient of sliding friction b between component 1, and the coefficient of sliding friction a between bottom plate 21 and lower support plate 22 is less than spherical crown liner plate 3
With the coefficient of sliding friction c between lower base plate assembly 2.It causes friction pendulum support convertible friction in temperature and earthquake displacement
Coefficient so that bearing uses small friction coefficient in temperature movement, to discharge beam body strain；In earthquake displacement using big friction
Coefficient, reaches excellent damping and isolation effect with increase damping.Which ensure that bearing can play branch in temperature and earthquake displacement
The beam body strain of seat and damping and isolation effect.
Preferably, the coefficient of sliding friction a between the present embodiment bottom plate 21 and lower support plate 22 and spherical crown liner plate 3 with it is upper
The ratio of coefficient of sliding friction b between base plate assembly 1 is 1：3；Coefficient of sliding friction a between bottom plate 21 and lower support plate 22
The ratio of coefficient of sliding friction c between spherical crown liner plate 3 and lower base plate assembly 2 is 1：3.Which obviate double sphere friction pendulum branch
The seat unalterable problem of friction coefficient during the work time, meets bearing and requires bearing friction coefficient to use up in temperature movement
May it is small with discharge beam body strain requirement；And bearing friction coefficient is needed suitably to tune up when meeting earthquake displacement to increase damping
With the requirement of isolating affection；Meanwhile spherical crown liner plate 3 is avoided with upper base plate component 1, spherical crown liner plate 3 and lower base plate assembly 2 bottom of at
The phenomenon of displacement is produced when plate 21 and 22 temperature movement of lower support plate so that bearing can by planar slide adaptive temperature displacement,
It ensure that the ride comfort of bridge floor superstructure.In other embodiments, as long as the ratio of the ratio of a and b, a and b disclosure satisfy that
The strain of effect release beam body, ensure damping and isolation effect and bridge ride comfort should all be in the scope of the present invention, such as the ratio of a and b
It is worth for 1：The ratio of 3~10, a and c are 1：3~10.
As shown in Figure 1 to Figure 3, the locked component 23 of the present embodiment is two groups, and two groups of locked components 23 are perpendicular to undersetting
Plate 22 and the glide direction of bottom plate 21 are arranged symmetrically.Each locked component 23 includes positioning pin 231, is vertically directed hole 232 and two
Location hole 233.Wherein, hole 232 is vertically directed in lower support plate 22；Positioning pin 231 is axially displaceably installed on vertically
In pilot hole 232, to constrain the horizontal movement of positioning pin 231, positioning pin 231 is moved in vertical direction and limited with location hole 233
Position coordinates；Two location holes 233 are divided into both ends of the bottom plate 21 along 22 glide direction of lower support plate, are more than temperature level in earthquake displacement
During shifting, positioning pin 231 is moved to one end of bottom plate 21, when being vertically directed hole 232 and being overlapped with 233 axle center of location hole, positioning pin
231 fall into location hole 233 realize planar slide lock.The locked component 23 of the present invention is so that the quick side of planar slide locking
Just it is, efficient and simple and compact for structure, occupy little space.
As shown in Figure 1 to Figure 3, the top for being vertically directed hole 232 of the present embodiment is bolted with cover board 234, and cover board 234 is with determining
Elastic component 235 is equipped between the pin 231 of position.Elastic component 235 provides a vertical elastic active force to positioning pin 231 so that positioning pin
231 are easier to fall into location hole 233 under gravity and elastic acting force, to be further ensured that effective locking of planar slide；
Meanwhile cover board 234 is set to be detachable so that conveniently takes out and replace positioning pin 231 and elastic component 235 after earthquake.
Further, positioning pin 231 is conical dowel pin, and location hole 233 is taper location hole, it causes positioning pin 231
It can more smoothly fall into, and eliminate the horizontal clearance after locking, further ensure that the locking effect of planar movement.
Further, the top of positioning pin 231, which is equipped with, takes out component, and taking out component includes threaded hole and bolt.Wherein, spiral shell
Pit is arranged on positioning pin 231, when under earthquake or nominal situation, positioning pin 231 surprisingly falls into location hole 233 and lock plane is slided
During shifting, lower cover 234 and elastic component 235 are can use, bolt coordinates with threaded hole at this time, to take out positioning pin 231.Its convenient taking-up
Surprisingly fall into the positioning pin 231 of location hole 233 so that bearing is reusable, and its is easy to operate, substantially increases bearing lock
Unlock efficiency after fixed.
As shown in Figure 1, the friction pendulum support of the present embodiment as longitudinal type bearing 43 in use, upper base plate component 1 includes
Upper bracket plate 11 and two groups of guidance sets 12, wherein, two groups of guidance sets 12 are arranged symmetrically perpendicular to bearing longitudinal sliding motion direction.
Each guidance set 12 includes guide pad 121 and shear key 122.Wherein, guide pad 121 is removably pacified by shear key 122
Bottom surface loaded on upper bracket plate 11, guide pad 121 and 22 spacing cooperation of lower support plate so that upper bracket plate 11 and spherical crown liner plate 3
It can only be produced relative sliding longitudinally, and can not produce and slide laterally.In other embodiments, when friction pendulum support is as laterally
During type bearing 42, two guidance sets 12 slide laterally direction perpendicular to bearing and are arranged symmetrically.
As shown in Figure 1 to Figure 3, lower support plate 22 is slidedly arranged on bottom plate 21 by slide assemblies 5, and slide assemblies 5 include leading
Track slot 51 and fitting projection 52.Wherein, guide-track groove 51 is arranged on bottom plate 21；Fitting projection 52 is arranged in lower support plate 22, is coordinated
Protrusion 52 is slidably matched with guide-track groove 51, meanwhile, lubricant medium is provided between fitting projection 52 and guide-track groove 51 to reduce cunning
Kinetic frictional resistances.When friction pendulum support is longitudinal type bearing 43, guide-track groove 51 and fitting projection 52 are longitudinally disposed, and pass through
The clearance fit of guide-track groove 51 and fitting projection 52, limits the lateral displacement of lower support plate 22, realize bearing it is horizontal by
Power and guide function.The present invention realizes the work(of longitudinal type bearing 43 by guidance set 12 with the form that slide assemblies 5 combine
Energy.
As shown in Figure 2 and Figure 3, only need to can be fast by shear key 122 when friction pendulum support is as multi-orientation type bearing 44
Quick-detach guide pad 121, at this time upper bracket plate 11 can be slided in all directions by ball-type sliding friction surface with spherical crown liner plate 3,
And lower support plate 22 and bottom plate 21 realize longitudinal sliding motion by acting on for guidance set 12 in frictional plane, realize multi-orientation type branch
44 functions of seat.The setting of shear key 122 realizes longitudinal type bearing 43 to the rapid translating of multi-orientation type bearing 44, substantially increases
The standardization level and manufacture efficiency of process.In the present embodiment, shear key 122 is bolt, and guidance set 12 is horizontal at certain
It will not be cut in power by cross force, and when the horizontal earthquake power that upper bracket plate 11 is born exceedes the horizontal bearing capacity of bolt,
Bolt will be cut, and the upper component of bearing can globally all directions slide at this time, extend free vibration period of structure and reach
Damping effect.
In the present embodiment, the first planar lasting board 6 is equipped between the upper plane and upper base plate component 1 of spherical crown liner plate 3, first
Planar lasting board 6 is arranged in spherical crown liner plate 3；Ball is equipped between the lower peripheral surface of spherical crown liner plate 3 and the lower concave spherical surface of lower support plate 22
Face wearing plate 7, sphere wearing plate 7 are arranged in lower support plate 22；Second is equipped between the lower plane and bottom plate 21 of lower support plate 22
Planar lasting board 8, the second planar lasting board 8 are arranged on bottom plate 21；It is flat with the first planar lasting board 6, sphere wearing plate 7 and second
Face wearing plate 8 produces the chrome-faced of relative friction or pastes mirror face stainless steel plate.Shape between spherical crown liner plate 3 and lower support plate 22
It can make ball-type bridge pad flexible rotating into sphere friction pair, that is, overcome the sliding friction of spherical crown liner plate 3 and sphere wearing plate 7
Afterwards, ball-type bridge pad can rotate to meet the requirement of the multidirectional big corner of bridge；And upper base plate component 1 and the first plane are resistance to
Slip between nog plate 6 can meet displacement request.
In the present embodiment, under normal circumstances, 22 above section of lower support plate is resistance to by the second plane of low-friction coefficient
Nog plate 8 slides, and can play the role of conventional ball type bearing.After the earthquake, when the planar slide of lower support plate 22 slides onto
More than normal temperature displacement, and when positioning pin 231 slides onto 233 top of location hole, positioning pin 231 is fallen into location hole 233, lock
Determine planar slide, upper bracket plate 11 is slided by the sphere wearing plate 7 of great friction coefficient, opens friction pendulum function, so as to fulfill
Shock insulation and the purpose of energy consumption.
As shown in fig. 6, the bridge of the present embodiment subtracts shock isolation system 4, including fixed bearing 41, lateral type bearing 42 and two
A two friction pendulum supports as described in above-described embodiment.A wherein friction pendulum support is longitudinal type bearing 43, another friction pendulum branch
Seat is multi-orientation type bearing 44.In the present embodiment, fixed bearing 41 does not produce relative displacement, and damping effect can be reached in earthquake
Fruit, can reach requirement with existing friction pendulum support；Since the width of general girder is little, transverse temperature displacement is very small,
Lateral displacement needs can be met using existing side-friction pendulum bearing completely, and its effect of lifting to whole girder can be with
Ignore, but the bridge pendulum bearing of the present invention can also serve as lateral type bearing 42 and use；And the longitudinal temperature displacement of beam
Greatly, longitudinal type bearing 43 and 44 friction pendulum support using the present invention of multi-orientation type bearing can solve whole girder because of temperature movement and
The problems such as lifting effect of generation.
The bridge of the present invention, which subtracts shock isolation system 4, equally has the advantages that the above-mentioned of the present embodiment friction pendulum support, and by adopting
With the combined arranging mode of friction pendulum support of the present invention and existing friction pendulum support enable bearing adapt at the same time bridge along bridge to
With the deformation of direction across bridge, and beam body deformation caused by length travel, lateral displacement and vertical, horizontal corner it is all unfettered, reach
Arrive not only easy to transmission end reaction, but also the effect for enabling bearing fully to adapt to beam body Free Transform.Meanwhile which obviate use
The problem of double sphere friction pendulum supports are of high cost, use scope is narrow.I.e. the present invention do not change the stress system of original structure and
In the case of bearing bearing capacity, damping and isolation effect during earthquake ensure that, and cost is low.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, to be rushed as long as there is no structure
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
1. a kind of friction pendulum support, including upper base plate component, lower base plate assembly and spherical crown liner plate, the spherical crown liner plate are slidedly arranged on institute
State between upper base plate component and lower base plate assembly, it is characterised in that the lower base plate assembly includes bottom plate, lower support plate and locking
Component, the lower support plate are slidedly arranged between bottom plate and spherical crown liner plate, and the locked component is arranged between lower support plate and bottom plate,
Locked component slip locations of locking bottom plate and lower support plate when earthquake displacement is more than temperature movement；The bottom plate is with
Coefficient of sliding friction a between support plate is less than the coefficient of sliding friction b between the spherical crown liner plate and upper base plate component, and small
Coefficient of sliding friction c between the spherical crown liner plate and lower base plate assembly.
2. friction pendulum support according to claim 1, it is characterised in that the locked component is two groups, lock described in two groups
The glide direction for determining component perpendicular to the lower support plate and bottom plate is arranged symmetrically.
3. friction pendulum support according to claim 2, it is characterised in that each locked component includes positioning pin, erects
Straight pilot hole and two location holes, the hole that is vertically directed is in lower support plate；The positioning pin is axially displaceably installed on
It is described to be vertically directed in hole；Two location holes are divided into both ends of the bottom plate along lower support plate glide direction, wherein an institute
State location hole when earthquake displacement is more than temperature movement with the spacing cooperation of positioning pin.
4. friction pendulum support according to claim 3, it is characterised in that the top for being vertically directed hole is bolted with lid
Plate, is equipped with the elastic component for being used for that vertical active force to be provided to positioning pin between the cover board and positioning pin.
5. friction pendulum support according to claim 4, it is characterised in that the top of the positioning pin, which is equipped with, to be used to conveniently take
Accidents happened to falls into the taking-up component of the positioning pin of location hole, and the component that takes out includes the threaded hole on positioning pin, and
The bolt coordinated with threaded hole.
6. according to the friction pendulum support described in claim 1 to 5 any one, it is characterised in that the ratio of a and b is 1:3~
The ratio of 10, a and c is 1:3~10.
7. according to the friction pendulum support described in claim 1 to 5 any one, it is characterised in that be in the friction pendulum support
When longitudinal type bearing or lateral type bearing, the upper base plate component includes upper bracket plate and perpendicular to the symmetrical cloth in bearing sliding direction
The two groups of guidance sets put, each guidance set include guide pad and shear key, and the guide pad is removable by shear key
That unloads the be installed on bottom surface of the upper bracket plate, and with the spacing cooperation of the lower support plate.
8. according to the friction pendulum support described in claim 1 to 5 any one, it is characterised in that the lower support plate passes through cunning
Dynamic component is slidedly arranged on the bottom plate, and the slide assemblies include the guide-track groove being arranged on the bottom plate, and under described
Fitting projection on support plate, the fitting projection are slidably matched with guide-track groove.
9. according to the friction pendulum support described in claim 1 to 5 any one, it is characterised in that the upper of the spherical crown liner plate is put down
The first planar lasting board, the lower peripheral surface of the spherical crown liner plate and the lower concave spherical surface of lower support plate are equipped between face and upper base plate component
Between be equipped with sphere wearing plate, the second planar lasting board is equipped between the lower plane and bottom plate of the lower support plate.
10. a kind of bridge subtracts shock isolation system, it is characterised in that will including such as right of fixed bearing, lateral type bearing and two
The friction pendulum support described in 1 to 9 any one is sought, wherein a friction pendulum support is longitudinal type bearing, another friction pendulum support is
Multi-orientation type bearing.
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| CN201711407422.0A CN108035244A (en) | 2017-12-22 | 2017-12-22 | A kind of friction pendulum support and bridge subtract shock isolation system |
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| CN201711407422.0A CN108035244A (en) | 2017-12-22 | 2017-12-22 | A kind of friction pendulum support and bridge subtract shock isolation system |
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| CN112878168A (en) * | 2021-01-08 | 2021-06-01 | 中铁大桥勘测设计院集团有限公司 | Variable-friction-resistance long-span continuous beam system |
| CN113323480A (en) * | 2021-05-31 | 2021-08-31 | 南通蓝科减震科技有限公司 | Friction pendulum shock insulation support |
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| CN109235249B (en) * | 2018-11-14 | 2024-03-08 | 中铁二院工程集团有限责任公司 | Spherical steel support with energy dissipation members |
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| CN110607735A (en) * | 2019-08-09 | 2019-12-24 | 成都市新筑路桥机械股份有限公司 | Four-line large-span railway bridge supporting system |
| CN110396922A (en) * | 2019-08-09 | 2019-11-01 | 成都市新筑路桥机械股份有限公司 | A kind of support of the large-span continuous beam with earthquake isolating equipment |
| CN110424252B (en) * | 2019-09-04 | 2024-05-28 | 中交公路长大桥建设国家工程研究中心有限公司 | Assembled friction pendulum support |
| CN110424252A (en) * | 2019-09-04 | 2019-11-08 | 中交公路长大桥建设国家工程研究中心有限公司 | A kind of assembled friction pendulum support |
| CN110656711A (en) * | 2019-10-25 | 2020-01-07 | 衡水震泰隔震器材有限公司 | Anti-overturning friction pendulum shock insulation support and assembly method thereof |
| CN110656711B (en) * | 2019-10-25 | 2024-03-08 | 衡水震泰隔震器材有限公司 | Anti-overturning friction pendulum vibration isolation support and assembly method thereof |
| CN112195765A (en) * | 2020-10-20 | 2021-01-08 | 成都市新筑路桥机械股份有限公司 | Mechanical locking friction pendulum vibration reduction and isolation support |
| CN112555104A (en) * | 2020-12-01 | 2021-03-26 | 江苏铁科新材料股份有限公司 | Anti-torsion composite mass damper for tower of wind generating set |
| CN112555104B (en) * | 2020-12-01 | 2024-04-16 | 江苏铁科新材料股份有限公司 | Anti-torsion composite mass damper for tower of wind generating set |
| CN112696079A (en) * | 2020-12-28 | 2021-04-23 | 金晓芳 | Friction pendulum support with horizontal rotation function for building |
| CN112878168A (en) * | 2021-01-08 | 2021-06-01 | 中铁大桥勘测设计院集团有限公司 | Variable-friction-resistance long-span continuous beam system |
| CN113323480A (en) * | 2021-05-31 | 2021-08-31 | 南通蓝科减震科技有限公司 | Friction pendulum shock insulation support |
| CN115096486B (en) * | 2022-05-07 | 2023-10-27 | 中交公路长大桥建设国家工程研究中心有限公司 | Force measurement and displacement type friction pendulum support and sensor replacement method |
| CN115096486A (en) * | 2022-05-07 | 2022-09-23 | 中交公路长大桥建设国家工程研究中心有限公司 | Force measurement and displacement type friction pendulum support and sensor replacement method |
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Application publication date: 20180515 |