CN106087721A - Ultra-thin aseismatic bearing - Google Patents
Ultra-thin aseismatic bearing Download PDFInfo
- Publication number
- CN106087721A CN106087721A CN201610494696.7A CN201610494696A CN106087721A CN 106087721 A CN106087721 A CN 106087721A CN 201610494696 A CN201610494696 A CN 201610494696A CN 106087721 A CN106087721 A CN 106087721A
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- sliding panel
- guide part
- block
- friction
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- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 239000000806 elastomer Substances 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 8
- 241000826860 Trapezium Species 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 20
- 230000035939 shock Effects 0.000 description 9
- 238000009413 insulation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002783 friction material Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000703 anti-shock Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- 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
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of ultra-thin aseismatic bearing, size in the height direction is not more than 15 centimetres, including upper, middle, and lower part, upper part is for connecting with supported object, described top is divided into elastomer, middle part have the two-dimensional movement ability on horizontal plane and during movement consumption level vibrations, impulsive force, described middle part is divided and is included the first sliding panel, the second sliding panel and fixed plate, wherein, it is slidably matched between first sliding panel and the second sliding panel, is slidably matched between the second sliding panel and the 3rd sliding panel；Lower part (3) is for being attached with support beam, post, and described bottom is divided into elastomer.1, product flattening, use this structure bearing in the case of bearing capacity and anti-seismic performance are constant, height reduction about 60%, it is achieved the flattening of product, more there is during bridge, construction and installation advantage.The reduction of height of support, is more beneficial for bridge, the stablizing of building.
Description
Technical field
This invention relates to widely used bearing, specifically one in field of engineering technology and has three-dimensional pooling feature
Ultrathin bearing.
Background technology
In science of bridge building, assembled architecture, steel building, bearing is widely used, and the main effect of bearing is
Antidetonation, slow down impact.
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 ultrathin aseismatic bearing, especially one can be by
Overall height controls the ultrathin aseismatic bearing below 15 centimetres, the seismic support in bridge, building, and entirety is anti-
Shock stability does not reduces, and has and more preferably resists horizontal impact and consume impulsive force, solves size on existing height of support direction simultaneously
Excessive problem.
The technical solution adopted for the present invention to solve the technical problems is:
Ultra-thin aseismatic bearing, size in the height direction is not more than 15 centimetres, it is characterised in that:
Including upper, middle, and lower part,
Upper part is for connecting with supported object, and described top is divided into elastomer,
Middle part have on horizontal plane two-dimensional movement ability and during movement consumption level vibrations, impact
Power, described middle part divides and includes the first sliding panel, the second sliding panel and fixed plate, wherein,
Generally one flat steel-casting of described first sliding panel, is provided with in four corners of the first sliding panel
Four bolts hole, are attached with upper part by bolt at bolt hole, arrange in the middle position of the first sliding panel lower surface
Having the first guide part and first friction part of trapezium structure, wherein the first guide part is integrated trapezoidal with the first sliding panel
Projection, the first friction part includes metal portion and brake material block, and wherein metal portion is integrated with the first sliding panel, described
Brake material block is to be embedded in by the way of secondary pressure casts between two adjacent metal portions, and at brake material block
And it is provided with round pin between the first sliding panel；On the first sliding panel, the two ends along the direction of the first guide part are provided with first gear
Block, arranges elastomer structure in the inner side of the first block；
Generally one tabular steel-casting of described second sliding panel, is provided with four in four corners of the second sliding panel
Individual pin hole, is provided with the second guide part and second friction part of trapezium structure at the second sliding panel upper surface, and described second leads
Identical with the first guide part and the first friction part structure respectively with the second friction part to portion and be engaged cooperation, at the second sliding panel
Lower surface is provided with and the 3rd guide part and the 3rd friction part, wherein the 3rd guide part and the 3rd friction part and the second guide part and
Second friction part is arranged substantially perpendicular to each other；
Generally one tabular steel-casting of fixed plate, the 4th guide part in described fixed plate and the 4th friction part difference
Identical with the 3rd guide part and the 3rd friction part structure and be fitted to each other, in fixed plate along the 4th guide part direction two
End is provided with the second block, arranges elastomer structure in the inner side of the second block；
Between the first sliding panel and the second sliding panel, and between the second sliding panel and fixed plate, safety pin is set,
Lower part (3) is for being attached with support beam, post, and described bottom is divided into elastomer.
Further, described first block is fixed on the first sliding panel by the way of screw fastens, close at block
The inner side of the first guide part is provided with first arc, and described first arc is fixed on first gear by the form of welding
On block, and fixing second arc in the outside of the first arc, a straight plate, straight plate are fixed in the outside of the second arc
Collectively constitute an elastomer structure with two arcs, and the second sliding panel exists relative to the sliding scale β of the first sliding panel
Within 20 millimeters.
Further, described second sliding panel relative to the sliding scale α of fixed plate within 20 millimeters.
Further, described bottom is divided into lead-rubber layer.
Further, described upper part includes flat board and the butterfly spring of superposition, and its middle plateform is fixed on butterfly spring
Top.
Further, the mode that described top is divided into teflon gasket and copper coin spacer stack to arrange is configured,
And in bed course, inlay lead for retractable pencil post, wherein lead for retractable pencil post is set to multiple, is evenly arranged.
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 60%, it is achieved the flattening of product, more there is during bridge, construction and installation advantage.The reduction of height of support,
It is more beneficial for bridge, the stablizing of building.
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,
Traditional rubber support does not have the effect of friction energy-dissipating.
3, whole bearing shakes in the range of controlled 20 millimeters, and vibrations are the carrying out of the little amplitude of altofrequency, have
Effect building, the main body of bridge are protected.
4, the first sliding panel, be rigid contact between the second sliding panel and fixed plate, and cooperation face is each other will the ladder of sum
Shape projection and trapezoidal groove, so that loaded area doubles above, bearing capacity is outstanding, and has direction controllability,
Under guide effect, it is to avoid the unordered slip of carried thing so that antidetonation process control.
Accompanying drawing explanation
Fig. 1 is the structure chart of invention.
Fig. 2 is the axonometric chart of middle part.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is longitudinal sectional view in Fig. 2.
Fig. 5 is transverse sectional view in Fig. 2.
Fig. 6 is the first sliding panel axonometric chart.
Fig. 7 is the front view of Fig. 6.
Fig. 8 is the front view of fixed plate.
Fig. 9 is the partial perspective view of the first sliding panel.
Figure 10 is the partial sectional view at brake material block position in Fig. 9.
Figure 11 is the acceleration schematic diagram of sliding panel in relative sliding process.
Figure 12 is present invention application in bridge.
In figure: 1 upper part, 11 flat boards, 12 butterfly springs,
Part in 2,21 first sliding panels, 211 bolts hole, 212 first guide parts, 213 first friction parts, 2131 metals
Portion, 2132 brake material blocks, 214 breach, 215 round pins, 216 circular holes, 217 blocks, 218 elastomer structures,
22 second sliding panels, 221 second guide parts, 222 second friction parts, 223 the 3rd guide parts, 224 the 3rd friction parts,
23 fixed plates, 3 lower part, 4 safety pins.
The ultra-thin bearing of A, 10 bridge columns, at the bottom of 101 Bridge Beam.
Detailed description of the invention
As shown in Figure 1 to 11, for existing defect, the protection main body of the present invention is as follows:
Exploitation is a kind of aseismatic bearing, especially a kind of ultrathin aseismatic bearing, under same anti-seismic performance, this
Seat size in the height direction is compressed into few half.
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 in horizontal direction.Lower part 3 is used for and supports
Beam, post are attached.
Wherein, between this ultra-thin bearing A is typically employed at the bottom of bridge column and Bridge Beam, generally it is horizontally disposed with, so
Surface directly carries out contact and coordinates, it is not necessary to carry out special connection.It is contemplated that safety, can upper part and under
High-strength bolt is set in part, 101 is attached with at the bottom of above-mentioned bridge column 10 and Bridge Beam by the way of connection.
Upper part 1 includes flat board 11, butterfly spring 12, and its middle plateform 11 is fixed on the top of butterfly spring, and flat board 11 is used
In contacting with supported object, such as, crossbeam can directly bear against on flat board.
Upper part, it is possible to the mode using teflon gasket and copper coin spacer stack to arrange is configured, and upper
Inlaying lead for retractable pencil post in the bed course stated, wherein lead for retractable pencil post is set to multiple, is evenly arranged, and the general thickness of this upper part controls 5
Within centimetre.
Middle part 2 includes the first sliding panel the 21, second sliding panel 22 and fixed plate 23, and wherein, the first sliding panel 21 is overall
It is a tabular, for rectangle or square, uses steel-casting, four corners of the first sliding panel 21 are provided with four
Bolt 211, is attached with above-mentioned butterfly spring 12 by bolt at bolt hole 211, owing to stress is mainly pressure, so
Shearing force in level is non-existent usually between the two, only just can occurred level shear action when earthquake occurs.
The first guide part 212 and the first friction part 213 of trapezium structure it is provided with in the middle position of the first sliding panel 21 lower surface, its
In the first guide part 212 be and the first sliding panel integrated trapezoidal projection that trapezoidal angle controls at about 60 degree, and first rubs
Wiping portion 213 includes metal portion 2131 and brake material block 2132, and wherein metal portion 2131 is integrated with the first sliding panel,
Brake material block is to be embedded in by the way of secondary pressure is processed between two adjacent metal portions, for increasing brake material
Block 2132 and the adhesion of the first sliding panel, be provided with round pin 215 between, between brake material block and the first sliding panel
Form the structure of slip-off preventing.
It is described in detail below by the machining process of the first sliding panel, deepens the reason to the first sliding panel
Solve:
First making cast steel blank, then two surfaces at blank carry out milling, by the machining side of milling
Formula forms trapezoidal projection that is some equally spaced from each other and that be arranged in parallel, is trapezoidal groove between the most trapezoidal projection, trapezoidal convex
Rising and be arranged at distances from one another with trapezoidal groove, form staggered pattern, two the most adjacent trapezoidal projections are respectively the first guide part
212 and first friction part 213, the first above-mentioned guide part and the first friction part are divided by function, then, by first
Trapezoidal projection in friction part 213 carries out the in-milling of intermittent, forms some breach 214, and bores in each breach
Blind hole, blind hole is used for installing round pin 215, was tight fit, and was fixed by the way of beaing between round pin and blind hole.Complete
After again four corners bore circular hole respectively, form bolt hole 211, for and above-mentioned upper part in butterfly spring carry out even
Connect, it is possible to further boring circular hole 216 on the first sliding panel of trapezoidal elevated regions, be used for safety pin is installed, its
In, the effect of safety pin is to connect the first sliding panel and the second sliding panel, plays the effect of two sliding panels of balance in the early stage.
After above-mentioned work completes, blank is carried out the polish of entirety, then carries out heat treatment, the steel plate tool after process
Standby anti-wear performance just, then carries out essence to the face of the first guide part 212 and the inclined-plane of the first friction part 213 both sides and top
Mill, finally, is placed in special grinding apparatus and uses brake pad material to be filled with the breach in the first friction part, and use forcing press
Carry out hot-forming, form a brake material block 2132.
Generally one tabular of second sliding panel 22, for rectangle or square steel-casting, at the four of the second sliding panel
Individual corner is provided with four pin holes, is used for installing safety pin 4.Four pin holes, two of which pin hole is for limiting the
One sliding panel and second sliding panel geo-stationary within predetermined dynamics, it is sliding that two other pin hole is used for installing restriction second
Dynamic relative slip between plate and fixed plate.
The second guide part 221 and the second friction of trapezium structure it is provided with in the middle position of the second sliding panel 22 upper surface
Portion 222, wherein the second guide part 221 is and the second integrated trapezoidal projection of sliding panel, and the second friction part 222 includes metal
Portion and brake material block, wherein metal portion is integrated with the second sliding panel, and brake material block is to be added by secondary pressure
The mode of work is embedded between two adjacent metal portions.And it is provided with anticreep between brake material block and the second sliding panel
The structure fallen.It is to say, the second guide part and the second friction part in structure and size with the first above-mentioned guide part and
One friction part is identical.
Lower surface at the second sliding panel 22 is provided with and the 3rd guide part 223 and the 3rd friction part 224, Qi Zhong simultaneously
Three guide parts and the 3rd friction part and the second guide part and the second friction part are arranged substantially perpendicular to each other, and structure is the most identical with size.
Manufacturing process on second sliding panel 22 is similar to the first sliding panel.
Fixed plate 23 is identical with the first sliding panel structure, and the 4th guide part 231 that difference is in fixed plate rubs with the 4th
The trend in wiping portion 232 is identical with the 3rd guide part and the 3rd friction part and is fitted to each other.
On the first sliding panel 21, the two ends along the direction of the first guide part are provided with block 217, and block passes through screw
The mode of fastening is fixed on the first sliding panel 21, is provided with first arc near the inner side of the first guide part at block 217
Shape plate, the first arc is fixed on the first block by the form of welding, and fixes one the in the outside of the first arc
Two arcs, the outside of the second arc is fixed a straight plate, straight plate and two arcs and is collectively constituted an elastomer structure
218, for limiting the sliding scale of the first slide plate, the most above-mentioned sliding scale β general control is within 20 millimeters.In like manner,
In fixed plate 23, the two ends along the direction of the 4th guide part are provided with elastomer structure 218 ', for limiting the second sliding panel
Range of activity.
Above-mentioned fixed plate lower surface is plane, and fixes lead-rubber bed course at lower surface, for vertical direction every
Shake, forms lower part 3.
The first above-mentioned slide plate, the structure between the second slide plate and fixed plate, use staggered trapezium structure, can be formed
Reasonable engagement be engaged so that between plate with plate be engaged and carrying dynamics substantially increases, add between the two meanwhile
Bonded area, under equal projected area, the bonded area between plate and plate at least doubles, coordinate brake block rub
Wipe, can further improve friction energy-dissipating, so being conducive to reducing the height of entirety, the beneficially flattening of product.Meanwhile,
Anti-seismic performance is effectively improved.
When earthquake occurs, safety pin 4 can be cut off under the effect of horizontal shear force, and the first sliding panel and second slides
A kind of slip relatively, at the initial stage of slip, during slip, brake can be formed between plate, and the second sliding panel and fixed plate
Friction material contacts with fixed part or guide part, and frictional force during startup is less, it is possible to achieve quickly start, it is to avoid card
Extremely, simultaneously as above-mentioned brake friction material is that many groups are arranged in a crossed manner, when two relative brake friction materials connect each other
When touching, frictional force can be caused to increase suddenly, be formed and slow down, simultaneously because be occlusion structure, rigidity, stability and tilting moment are all
Very well, it is possible to achieve stable deceleration, during accelerating and slowing down, from friction formula, now accelerate relatively big, relatively
Slip is still within boost phase, after brake material block overlap is more than half, owing to the frictional force between brake material block increases,
Have a speed-down action, and substantial amounts of earthquake energy.During due to earthquake, the amplitude of horizontal direction is generally large, enters
Next cycle, in the process, it is ensured that between sliding panel, be used in acceleration repeatedly and moderating process, wherein acceleration a
Form pulse pattern, positive and negative reciprocal switching, the seismic amplitude that big can be divided into multiple little aseismatic bearing self-vibration and shake
Width, and brake material block and brake material block, brake material block can produce substantial amounts of heat with guide part in friction process, right
Vibrational energy consumes, and consumes the energy that earthquake brings, and effect is significantly larger than normally used spring, butterfly spring etc..With
Time by the high amplitude action by a narrow margin of earthquake, switch to the frequency low-amplitude action of building, beneficially the oneself guarantor of building, bridge
Protect.
During above-mentioned, between upper and bottom section, in the vertical direction has a buffering course, is used for offsetting
Gravitional force, its principle is, upper and bottom section can occur elastic deformation, can cause supported object (bridge or house)
It is lifted, and then relies on the gravitional force of self to consume the impact dynamics on vertical direction, the impact of above-mentioned horizontal direction
Impulsive force in power and vertical direction is obtained for and well slows down and eliminate, and anti seismic efficiency is obvious.
With reference to Figure 12, above-mentioned ultra-thin bearing can be widely used in the environment of building, bridge.
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 (6)
- The most ultra-thin aseismatic bearing, size in the height direction is not more than 15 centimetres, and including upper, middle, and lower part, its feature exists In:Described upper part (1) is for connecting with supported object, and described upper part (1) is elastomer,Middle part (2) have on horizontal plane two-dimensional movement ability and during movement consumption level vibrations, impulsive force, Described middle part (2) includes the first sliding panel (21), the second sliding panel (22) and fixed plate (23), wherein,Generally one flat steel-casting of described first sliding panel (21), sets in four corners of the first sliding panel (21) Being equipped with four bolts hole (211), described bolt hole (211) place is attached with upper part by bolt, at the first sliding panel (21) middle position of lower surface is provided with the first guide part (212) and first friction part (213) of trapezium structure, and wherein first Guide part (212) is and the first integrated trapezoidal projection of sliding panel, the first friction part (213) include metal portion (2131) and Brake material block (2132), wherein metal portion (2131) are integrated with the first sliding panel, described brake material block (2132) it is to be embedded in by the way of secondary pressure casts between two adjacent metal portions, and at brake material block And between the first sliding panel, be provided with round pin (215) (2132)；Along the direction of the first guide part on the first sliding panel (21) Two ends are provided with the first block (217), arrange elastomer structure in the inner side of the first block；Generally one tabular steel-casting of described second sliding panel (22), is provided with four in four corners of the second sliding panel Individual pin hole, is provided with the second guide part (221) and second friction part of trapezium structure at the second sliding panel (22) upper surface (222), described second guide part (221) and the second friction part (222) respectively with the first guide part (212) and the first friction part (213) structure is identical and is engaged cooperation, and the lower surface at the second sliding panel (22) is provided with and the 3rd guide part (223) and the 3rd Friction part (224), wherein the 3rd guide part and the 3rd friction part and the second guide part and the second friction part are arranged substantially perpendicular to each other；Generally one tabular steel-casting of described fixed plate (23), the 4th guide part (231) and the 4th in described fixed plate Friction part (232) is identical with the 3rd guide part and the 3rd friction part structure respectively and is fitted to each other, along the 4th in fixed plate The two ends in the direction of guide part are provided with the second block, arrange elastomer structure in the inner side of the second block；Between the first sliding panel and the second sliding panel, and between the second sliding panel and fixed plate, safety pin is set,Described lower part (3) is for being attached with support beam, post, and described bottom is divided into elastomer.
- Ultra-thin aseismatic bearing the most according to claim 1, it is characterised in that described first block (217) is tight by screw Solid mode be fixed on the first sliding panel (21), at the first block (217), the inner side of the first guide part is provided with first Arc, described first arc is fixed on the first block by the form of welding, and fixes in the outside of the first arc One the second arc, the outside of the second arc is fixed a straight plate, straight plate and two arcs and is collectively constituted an elasticity Body structure (218), and the second sliding panel relative to the sliding scale β of the first sliding panel within 20 millimeters.
- Ultra-thin aseismatic bearing the most according to claim 1, it is characterised in that described second sliding panel is relative to fixed plate Sliding scale α is at 20 millimeters.
- Ultra-thin aseismatic bearing the most according to claim 1, it is characterised in that described bottom is divided into lead-rubber layer.
- Ultra-thin aseismatic bearing the most according to claim 1, it is characterised in that described upper part includes the flat board (11) of superposition With butterfly spring (12), its middle plateform (11) is fixed on the top of butterfly spring.
- Ultra-thin aseismatic bearing the most according to claim 1, it is characterised in that described top be divided into teflon gasket with The mode that copper coin spacer stack is arranged is configured, and inlays lead for retractable pencil post in bed course, and wherein lead for retractable pencil post is set to multiple, uniformly Arrange.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610494696.7A CN106087721B (en) | 2016-06-28 | 2016-06-28 | Ultra-thin aseismatic bearing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610494696.7A CN106087721B (en) | 2016-06-28 | 2016-06-28 | Ultra-thin aseismatic bearing |
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| CN106087721A true CN106087721A (en) | 2016-11-09 |
| CN106087721B CN106087721B (en) | 2017-09-12 |
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| CN201610494696.7A Expired - Fee Related CN106087721B (en) | 2016-06-28 | 2016-06-28 | Ultra-thin aseismatic bearing |
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| CN108999308A (en) * | 2017-05-17 | 2018-12-14 | 大连大学 | A kind of sliding damper of grading damper |
| CN111576117A (en) * | 2020-05-13 | 2020-08-25 | 中铁二院工程集团有限责任公司 | Roadbed structure crossing active fault and construction method thereof |
| CN113435062A (en) * | 2021-07-22 | 2021-09-24 | 同济大学 | Novel integrated cantilever type high-frequency vibration absorption device and rapid design method thereof |
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| CN113435062B (en) * | 2021-07-22 | 2023-05-02 | 同济大学 | Integrated cantilever type high-frequency vibration absorbing device and rapid design method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106087721B (en) | 2017-09-12 |
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