CN201730196U - Ball disc spring vibration isolation device - Google Patents
Ball disc spring vibration isolation device Download PDFInfo
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- CN201730196U CN201730196U CN2010202650001U CN201020265000U CN201730196U CN 201730196 U CN201730196 U CN 201730196U CN 2010202650001 U CN2010202650001 U CN 2010202650001U CN 201020265000 U CN201020265000 U CN 201020265000U CN 201730196 U CN201730196 U CN 201730196U
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Abstract
The utility model relates to a vibration isolation device, in particular to a ball disc spring vibration isolation device which includes a vibration isolation support; the upper end of the vibration isolation support is connected with a damper. The ball disc spring vibration isolation device not only is suitable for a newly built structure, but also is suitable for earthquake hardening and post earthquake maintenance of an original structure, not only is suitable for common civic buildings, but also is suitable for civil engineering like structures, bridges, etc. The ball disc spring vibration isolation device can also be used in floor-added and displaced buildings. The ball disc spring vibration isolation device is suitable for vibration isolation and reduction of instruments and equipment, has a low cost and a broad application prospect.
Description
Technical field
The utility model relates to a kind of earthquake isolating equipment, relates in particular to a kind of combined isolation device.
Background technology
Base isolation mainly contains at present: bearing, combined isolations such as laminated rubber bases, frictional slip shock insulation unit bearing, rolling pendulum, spin, roller bearing.Wherein, laminated rubber bases is most widely used, and reaches more than 90%.
(1) laminated rubber bases
Laminated rubber bases is to be formed by stacking by steel plate and rubber, and the thickness of every layer of rubber and steel plate only is several millimeters, and the centre sticks with glue knot.Such structure makes its vertical bearing capacity very big, also has bigger distortion in the horizontal direction.The shrouding up and down of bearing is thicker, and shrouding connects with being connected between the steel plate by bolt, connects steel plate and links to each other with building by bolt.According in the middle of the laminated rubber whether damping materials such as lead for retractable pencil, carbon are set, laminated rubber bases can be divided into three types: normal stack neoprene bearing, lead rubber bearing, high damping laminated rubber bases.The neoprene bearing of domestic production at present mainly is common and the lead for retractable pencil type, and the high damping type is used less.
Because the restriction of conventional rubber vibration isolation cushion performance makes conventional seismic isolation technology have some more formidable shortcomings.
Elastomeric isolation pad with intermediate layers is by rubber and the sandwich clad steel layering is superimposed forms through high temperature vulcanized bonding.Use in its engineering, problem deserving of attention is as follows:
1. stretching resistance is not very high: rubber is not the very high material of density, and its pulling force is generally not high.Yet structure has very big twisting resistance and vertical seismic forces usually in earthquake, and under shake condition doughtily, vertical earthquake is often very big especially.Phenomenon is often lifted from this feasible basis.
2. manufacture the quality requirement height: because sandwich rubber cushion is the supporting member of whole building structure, its quality and performance are determining the safety in application life of building last 100 years on the one hand.Be its quality and performance on the other hand,, have very strong quality and hide property from being difficult to differentiation in appearance.
3. paste relatively more difficult with other material: the concrete surface of rubber and building generally is difficult to link, and generally uses special cementing agent that rubber is linked to each other with the connection steel plate in rubber vibration isolation cushion, and this has also increased cost.
4. the use experience of material is less relatively: compare with concrete with steel, as the rubber of agent structure material, then lack use experience.
5. has creep properties.
(2) frictional slip isolated component
The frictional slip isolated component mainly is made of friction factor materials with smaller such as some image-stone China inks, mica, grains of sand layer, polyfluortetraethylene plates.Wherein material such as graphite, the grains of sand can simple and effectively improve the anti-seismic performance of farm dwelling, propose by Chinese scholar Li Li, and on the one-storey house of 4 16m2 in Yunnan Province, obtained application, but, architecturally can not use this method higher because the weight capacity of material such as the grains of sand is limited.
(3) elements such as rolling pendulum, spin, roller bearing
This class component mainly is made of roller and chute, and when earthquake took place, roller rolled in slot rolling, and seismic wave is to the transmission of superstructure isolator, and slot rolling can limit the maximum displacement of roller simultaneously.If chute is a spill, device also has from the ability that resets.
Present existing rolling shock insulation device mainly contains spin and adds spring reverse motion and spin band spill restoring board earthquake isolating equipment, under geological process, but relative the rolling taken place and the frictional force earthquake energy of generation between the substrate that spin adds spring reverse motion and the spin, all effective to the frequency band range that the ground input is very wide, lot of domestic and international scholar carried out some theories and experimental study to this.Have good isolating affection though spin adds spring reverse motion, its spacing ability is bad, and when earthquake was strong, spin might roll out under base plate, and the location of spin is also pretty troublesome.Chinese patent as notice of authorization on the 23rd in May calendar year 2001, notification number is CN2431333Y, a kind of novel building shock insulation energy-dissipating device is disclosed, its movable ball that supports is circular spheroid, the anti-skid layer of power consumption spheroid upper surface assembling, the top and the bottom contact surface is a sphere shape, spin band spill restoring board earthquake isolating equipment, because the existence of spin, make it have good damping effect, groove can be controlled the rolling of spin effectively simultaneously, and the location is also convenient and reliable, but owing to there is not the measure of other restriction spin rolling amounts, spin still has the possibility that rolls out from spill restoring board plate.And it is only better to the damping effect of horizontal direction, and vertical damping effect is not good.
The utility model content
Technique effect of the present utility model can overcome above-mentioned defective, and a kind of ball dish spring earthquake isolating equipment is provided, and it constitutes the three-dimensional isolation system with horizontal vibrating and vertical vibrations combination.
For achieving the above object, the utility model adopts following technical scheme: it comprises shock isolating pedestal, and the shock isolating pedestal upper end connects damper.
Ball dish spring earthquake isolating equipment of the present utility model belongs to combined isolation, and the geological process of level of isolation and vertical direction constitutes the three-dimensional isolation system simultaneously, alleviates the earthquake response of structure effectively, and the safety of structure when improving earthquake reduces secondary disaster.During the strenuous exercise on ground, adopt the present invention can make superstructure still can be in normal elastic state, the sense of discomfort when suppressing vibration.Superstructure design is relatively freer, and seismic measures is simple, because only consider earthquake isolating equipment, design and work progress all obtain simplifying.
Damper comprises guide cylinder, and the two ends up and down of guide cylinder are provided with limiting plate respectively, along the guide cylinder circumferencial direction butterfly spring are set between two limiting plates.The top damper adopts disk spring as vertical damper element, utilizes the change stiffness characteristics and the energy dissipation capacity of disk spring, chooses suitable vertical rigidity according to superstructure and place characteristic.Guide cylinder is provided with inlet, by clamp-oning plumbous heart damping material in the guide cylinder of inlet with the dish spring, has increased the vertical damping of damper in the time of the horizontal changing of the relative positions of restriction monolithic dish spring.
Shock isolating pedestal comprises upper bracket plate, lower support plate, and the side correspondence position that the upper bracket plate is relative with lower support plate is provided with groove at interval, and ball is set in the groove, and ball and groove contact surface are spherical.Ball quantity can be provided with arbitrarily, and ball and groove contact surface are the spherical of arc, makes steel ball that certain reset capability be arranged.
Ball preferably adopts spheroid, also can adopt other shape, as long as guarantee that ball and groove contact surface are spherical.
Be provided with the power consumption frictional layer in the groove, the power consumption frictional layer adopts polytetrafluoroethylene (PTFE) or molybdenum bisuphide or Nano diamond or DLC, can increase the torsional effect that damping also suppresses superstructure effectively.
Shape-memory alloy wire arranged in a crossed manner around upper bracket plate and the lower support plate interval is respectively equipped with fixedly cushion block on upper bracket plate and the lower support plate, shape-memory alloy wire is by fixedly cushion block is arranged in a crossed manner.Marmem (Shap Memory Alloy, be called for short SMA), it is a kind of new function material with shape memory effect, superelastic effect and high damping characteristic, compare with the damper that adopts ordinary metallic material to make, passive damping utensil based on the exploitation of super elastic shape memory alloy hysteretic characteristic has durability and corrosion resistance and good, the operating period limit for length, energy dissipation capacity is strong, and distortion is than advantages such as big and distortion can recover.Two-layer seat board intersection is continuous up and down with shape-memory alloy wire around bearing, and shape-memory alloy wire is provided with the position can be corresponding with the ball position.The setting of shape-memory alloy wire, can better solve the reset issues of shake back earthquake isolating equipment, prevent that ball from rolling out, shape-memory alloy wire has the characteristic of super-elasticity and high damping simultaneously, in seismic process, can provide more damping force, a large amount of seismic energies that dissipate play better isolating affection.In order to guarantee alloy silk tension always, need prestretching 2-3% often simultaneously, guarantee that elongation rope and shortening are all in range of stretch at the design shape memory alloy wire.
Be bolted to connection between shock isolating pedestal and the damper, utilize high-strength bolt two parts connection up and down, it is as a whole that damper and shock isolating pedestal are combined into.
The present invention both had been applicable to newly-built structure, also be applicable to the seismic hardening and the maintenance of shake back of original structure thing, both be applicable to general civic building, also be applicable to civil engineerings such as structure, bridge, also can be used for adding in layer and the displacement building, be fit to instrument, base-isolated equipment damping, cheap, application prospect is wide.
Description of drawings
Fig. 1 is a contour structures schematic diagram of the present utility model;
Fig. 2 is a shock isolating pedestal schematic diagram of the present utility model;
Fig. 3 is embodiment 1 a shock isolating pedestal partial schematic diagram of the present utility model;
Fig. 4 is embodiment 2 shock isolating pedestal partial schematic diagrams of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this device is done detailed description:
The present invention includes shock isolating pedestal, the shock isolating pedestal upper end connects damper.
Damper comprises guide cylinder 4, and the two ends up and down of guide cylinder 4 are provided with respectively between limiting plate 2, two limiting plates 2 and along guide cylinder 4 circumferencial directions butterfly spring 3 are set.Guide cylinder 4 is provided with inlet 1.Shock isolating pedestal comprises upper bracket plate 6, lower support plate 5, and upper bracket plate 6 and lower support plate 5 relative side correspondence positions are provided with groove 10 at interval, and ball 8 is set in the groove 10, and ball 8 is a spherical with groove 10 contact surfaces.Be provided with power consumption frictional layer 11 in the groove 10.Power consumption frictional layer 11 adopts polytetrafluoroethylene (PTFE) or molybdenum bisuphide or Nano diamond or DLC.Shape-memory alloy wire 9 arranged in a crossed manner around upper bracket plate 6 and lower support plate 5 intervals.Be respectively equipped with fixedly cushion block 12 on upper bracket plate 6 and the lower support plate 5, shape-memory alloy wire 9 is by fixedly cushion block 12 is arranged in a crossed manner.Fixedly connected by bolt 7 between shock isolating pedestal and the damper.
Embodiment 1
Embodiment 2
Claims (10)
1. a ball dish spring earthquake isolating equipment comprises shock isolating pedestal, it is characterized in that, the shock isolating pedestal upper end connects damper.
2. ball dish spring earthquake isolating equipment according to claim 1 is characterized in that damper comprises guide cylinder, and the two ends up and down of guide cylinder are provided with limiting plate respectively, along the guide cylinder circumferencial direction butterfly spring are set between two limiting plates.
3. ball dish spring earthquake isolating equipment according to claim 2 is characterized in that guide cylinder is provided with inlet.
4. ball dish spring earthquake isolating equipment according to claim 1 and 2, it is characterized in that shock isolating pedestal comprises upper bracket plate, lower support plate, the side correspondence position that the upper bracket plate is relative with lower support plate is provided with groove at interval, ball is set in the groove, and ball and groove contact surface are spherical.
5. ball dish spring earthquake isolating equipment according to claim 4 is characterized in that, is provided with the power consumption frictional layer in the groove.
6. ball dish spring earthquake isolating equipment according to claim 5 is characterized in that, the power consumption frictional layer adopts polytetrafluoroethylene (PTFE) or molybdenum bisuphide or Nano diamond or DLC.
7. ball dish spring earthquake isolating equipment according to claim 4 is characterized in that ball is a spheroid.
8. ball dish spring earthquake isolating equipment according to claim 4 is characterized in that, shape-memory alloy wire arranged in a crossed manner around upper bracket plate and the lower support plate interval.
9. ball dish spring earthquake isolating equipment according to claim 8 is characterized in that, is respectively equipped with fixedly cushion block on upper bracket plate and the lower support plate, and shape-memory alloy wire is by fixedly cushion block is arranged in a crossed manner.
10. ball dish spring earthquake isolating equipment according to claim 1 is characterized in that, is bolted to connection between shock isolating pedestal and the damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202650001U CN201730196U (en) | 2010-07-16 | 2010-07-16 | Ball disc spring vibration isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202650001U CN201730196U (en) | 2010-07-16 | 2010-07-16 | Ball disc spring vibration isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201730196U true CN201730196U (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202650001U Expired - Fee Related CN201730196U (en) | 2010-07-16 | 2010-07-16 | Ball disc spring vibration isolation device |
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| CN (1) | CN201730196U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337761A (en) * | 2010-07-16 | 2012-02-01 | 青岛理工大学 | Ball/disc spring vibration-isolating device |
| CN104032846A (en) * | 2014-03-25 | 2014-09-10 | 北京工业大学 | Tension resisting and twisting resisting combined shock isolation device with self-restoring function |
| CN108457384A (en) * | 2018-01-18 | 2018-08-28 | 同济大学 | A kind of three-dimensional isolation of the adaptive stiffness characteristics of band/shake bearing |
| CN109281416A (en) * | 2018-11-07 | 2019-01-29 | 西安建筑科技大学 | Spin combines multidimensional with marmem and subtracts isolation mounting and its installation method |
| CN112681552A (en) * | 2020-12-24 | 2021-04-20 | 青岛理工大学 | Second-order enhanced type connecting beam type metal damping shock absorption system |
| CN112727976A (en) * | 2020-12-29 | 2021-04-30 | 广东石油化工学院 | Multi-material composite rolling shock isolation device |
| CN112878501A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Device suitable for sliding connection of steel structure and concrete structure |
| CN113585358A (en) * | 2021-08-18 | 2021-11-02 | 南京工业大学 | Bidirectional adjusting support suitable for piled raft foundation and adjusting method thereof |
-
2010
- 2010-07-16 CN CN2010202650001U patent/CN201730196U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337761A (en) * | 2010-07-16 | 2012-02-01 | 青岛理工大学 | Ball/disc spring vibration-isolating device |
| CN104032846A (en) * | 2014-03-25 | 2014-09-10 | 北京工业大学 | Tension resisting and twisting resisting combined shock isolation device with self-restoring function |
| CN104032846B (en) * | 2014-03-25 | 2017-05-10 | 北京工业大学 | Tension resisting and twisting resisting combined shock isolation device with self-restoring function |
| CN108457384A (en) * | 2018-01-18 | 2018-08-28 | 同济大学 | A kind of three-dimensional isolation of the adaptive stiffness characteristics of band/shake bearing |
| CN109281416A (en) * | 2018-11-07 | 2019-01-29 | 西安建筑科技大学 | Spin combines multidimensional with marmem and subtracts isolation mounting and its installation method |
| CN112878501A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Device suitable for sliding connection of steel structure and concrete structure |
| CN112681552A (en) * | 2020-12-24 | 2021-04-20 | 青岛理工大学 | Second-order enhanced type connecting beam type metal damping shock absorption system |
| CN112727976A (en) * | 2020-12-29 | 2021-04-30 | 广东石油化工学院 | Multi-material composite rolling shock isolation device |
| WO2022141728A1 (en) * | 2020-12-29 | 2022-07-07 | 广东石油化工学院 | Multi-material composite rolling seismic isolation device |
| CN113585358A (en) * | 2021-08-18 | 2021-11-02 | 南京工业大学 | Bidirectional adjusting support suitable for piled raft foundation and adjusting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20120716 |