CN208685843U - Multifunctional adaptive answers friction-pendulum shock-insulation support - Google Patents
Multifunctional adaptive answers friction-pendulum shock-insulation support Download PDFInfo
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- CN208685843U CN208685843U CN201820012529.9U CN201820012529U CN208685843U CN 208685843 U CN208685843 U CN 208685843U CN 201820012529 U CN201820012529 U CN 201820012529U CN 208685843 U CN208685843 U CN 208685843U
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- friction
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- insulation support
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- sliding
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Abstract
The utility model provides multifunctional adaptive and answers friction-pendulum shock-insulation support, including top plate and bottom plate and sliding block, it is characterized by: being equipped with sliding surface on the top plate and bottom plate, telescopic limiter and/or marmem rope limiter are set between the top plate and bottom plate, the sliding block is arranged between two sliding surfaces, and the sliding block can slide on described two sliding surfaces.The multifunctional adaptive of the utility model answers friction-pendulum shock-insulation support; the effect of limit energy consumption may be implemented by the way that sleeve limiter and marmem rope limiter are arranged between top plate and bottom plate; limit support level excessive under severe earthquake action, vertical displacement; support is protected not to be damaged; preferably play its isolating affection; two sliding surfaces of branch seat tool simultaneously, improve displacement output ability.
Description
Technical field
The utility model belongs to building structure shock insulation control field, it particularly relates to which multifunctional adaptive answers friction pendulum
Shock isolating pedestal.
Background technique
The Aseismic Design of traditional building, bridge relies primarily on the intensity, rigidity and ductility of component itself to meet antidetonation
It is required that still, being continuously increased with structural system complexity in recent years, conventional Seismic Design Method be increasingly difficult to
Meet the requirement of safety of structure and applicability.And structure can be better met to anti-seismic performance using vibration control technology
It is required that.Seismic isolation technology is a kind of effective vibration control technology, has been widely used in building, science of bridge building.Friction pendulum
Support is a kind of shock insulation sliding system, makes it have Self-resetting mechanism and good stability by specific arc surface.Extend
Free vibration period of structure slides isolation seismic energy by internal sliding block, utilizes contact friction earthquake energy.Multiple friction pendulum
Support is a kind of novel shock isolating pedestal, has upper and lower two sliding surfaces, under identical parameter, compared to rubbing for single sliding surface
Pendulum support is wiped, displacement capacity can be improved one times.
Notification number discloses a kind of bi-concave friction pendulum support for the Chinese utility model patent of CN202577134U, including
Pass sequentially through top concave surface slide plate, central rotational block, intermediate slider and bottom concave surface slide plate that spherical surface is slidably matched, the centre
Polytetrafluoroethylene (PTFE) slide plate, the lower peripheral surface of intermediate slider are installed between the upper spherical surface of rotating block and the concave spherical surface of top concave surface slide plate
Polytetrafluoroethylene (PTFE) slide plate is installed between the concave spherical surface of bottom concave surface slide plate, what intermediate slider and central rotational block were slidably matched
Spherical surface, the spherical surface of central rotational block and the cooperation of top concave surface slide plate slides and intermediate slider and bottom concave surface slide plate slides cooperate
Spherical surface use stainless steel material；The periphery of support is equipped with dust cover.
The Chinese utility model patent that notification number is CN204224979U discloses a kind of composite friction pendulum support, including top
Plate, bottom plate and sliding block.The top plate has and the first concave surface to be supported for putting fixed the first supporting surface contacted and indent；The bottom plate
With the second concave surface corresponding and indent with the first concave surface of top plate and with the second supporting surface of point contact to be fixed；The sliding seat
Including ball seat and bulb；One end of bulb is that the sphere curved surface other end of protrusion is corresponding and evagination with the first concave surface of top plate
First surface；One end of ball seat is spherical concave surface corresponding and indent with the sphere curved surface of bulb, and the other end is the with bottom plate
Second curved surface of two concave surfaces correspondence and protrusion.
Friction pendulum support improves displacement capacity again above, but is the absence of effective limiting device, under severe earthquake action, branch
Seat phenomenon of toppling and dislocate may occur because generating excessive displacement, influence the isolation property of support.
Utility model content
It may be under severe earthquake action, because generating over-large displacement, out in order to solve the above friction pendulum support of answering in the prior art
The phenomenon that now toppling and dislocate, the technical issues of so as to cause support damage, the utility model provides multifunctional adaptive and rubs again
Pendulum shock isolating pedestal is wiped, support displacement is limited by setting sleeve limiter and marmem rope limiter, support is avoided to exist
It is destroyed under severe earthquake action because generating larger displacement.Improve the isolation property of support.
In order to reach the goals above, the utility model adopts the following technical solution: multifunctional adaptive answers friction-pendulum shock-insulation
Support, including top plate and bottom plate and sliding block are equipped with sliding surface on the top plate and bottom plate, are arranged between the top plate and bottom plate
Bushing type limiter and/or marmem rope limiter, the sliding block are arranged between two sliding surfaces, the sliding block energy
It is slided on described two sliding surfaces.Sleeve limiter and marmem rope limiter are set, limitation support displacement is played,
The effect of earthquake energy protects support, mentions so that support will not generate excessive displacement under severe earthquake action
Its high isolation property.Two sliding surfaces are set simultaneously, improve the displacement capacity of support.
Preferably, the radius of curvature of described two sliding surfaces is identical.
Any of the above-described scheme is preferably, and the radius of curvature of described two sliding surfaces is not identical, when the song of two sliding surfaces
When rate radius is different, the adaptivity of the multi-functional multiple friction-pendulum shock-insulation support is improved.
Any of the above-described scheme is preferably, and described two sliding surfaces include upper and lower two sliding surfaces.
Any of the above-described scheme is preferably, described sleeve pipe formula limiter be arranged in the multifunctional adaptive answer friction pendulum every
At the angle of the adjacent edge intersection of shake support and/or the marmem rope limiter is arranged in the multifunctional adaptive
On each side of multiple friction-pendulum shock-insulation support.
Any of the above-described scheme is preferably, and described sleeve pipe formula limiter is arranged in outside, the marmem rope limit
Position device is arranged in inside；Or, described sleeve pipe formula limiter and the marmem rope limiter are alternately arranged.
Any of the above-described scheme is preferably, and the sliding block is overall structure or separate structure.
Any of the above-described scheme is preferably, and the sliding surface is concave surface, and the face that the sliding block cooperates with the sliding surface is
Convex surface.
Any of the above-described scheme is preferably, and it is cuboid that the sliding block, which is by main structure, the portion of cube or cylinder
Part is processed to obtain.
Any of the above-described scheme is preferably, and convex surface is coated with polytetrafluoroethylene (PTFE) friction material to the sliding block up and down.
Detailed description of the invention
Fig. 1 is the structure that a preferred embodiment of friction-pendulum shock-insulation support is answered according to the multifunctional adaptive of the utility model
Schematic diagram.
Fig. 2 is the top view that multifunctional adaptive shown in Fig. 1 answers friction-pendulum shock-insulation support.
Fig. 3 is the amplification for the marmem rope limiter that multifunctional adaptive shown in Fig. 1 answers friction-pendulum shock-insulation support
Figure.
Fig. 4 is the preferred embodiment that the sliding block of friction-pendulum shock-insulation support is answered according to the multifunctional adaptive of the utility model
Structural schematic diagram.
Fig. 5 is another preferred implementation that the sliding block of friction-pendulum shock-insulation support is answered according to the multifunctional adaptive of the utility model
The structural schematic diagram of example.
Fig. 6 is the motion state diagram that multifunctional adaptive shown in Fig. 1 answers friction-pendulum shock-insulation support.
Wherein, the meaning of each label is as follows:
1: top plate；2: bottom plate；3: sliding block；4: bushing type limiter；5: marmem institute limiter；6: bushing type limit
The coupling part of position device and top plate and bottom plate；7: the coupling part of marmem rope limiter and top plate and bottom plate.
Specific embodiment
In order to it is clearer, correctly understand the content of the utility model, carried out combined with specific embodiments below with attached drawing
It further illustrates, illustrate.
Embodiment 1
In the present embodiment, a kind of multifunctional adaptive is provided and answers friction pendulum support, as shown in Figure 1 to Figure 2, including on to
Under the top plate 1, sliding block 3, the bottom plate 2 that are sequentially stacked, the bushing type limiter 4 being arranged between top plate 1 and bottom plate 2, shape memory close
Golden rope limiter 5.The lower end curved surface of top plate 1 is adapted with the upper end curved surface of sliding block 3, forms a pair of of circular sliding surface.Sliding block 3
Upper end curved surface can be slided along the lower end curved surface of top plate 1.The upper end curved surface of bottom plate 2 is adapted with the lower end curved surface of sliding block 3, forms one
To sliding surface, the lower end curved surface of sliding block 3 can be slided along the upper end curved surface of bottom plate 2.Between the top plate 1 and bottom plate 2 peripherally uniformly
It is disposed with bushing type limiter 4 and marmem rope limiter 5.Bushing type limiter 4 passes through itself and top plate 1 and bottom plate 2
The part 6 of connection is connect with top plate 1 and bottom plate 2；The upper and lower side of marmem rope limiter 5 passes through flexural pivot and top plate respectively
1 and bottom plate 2 connect part 7 be fixedly connected with top plate 1, bottom plate 2.
In the present embodiment, the multifunctional adaptive is answered friction pendulum support shape and is square, and top and bottom have phase
Same structure.Bushing type limiter 4, marmem rope limiter 5 are arranged in the multifunctional adaptive and answer friction pendulum branch
The periphery of seat, both ends are fixedly connected with top plate 1 and bottom plate 2 respectively, and bushing type limiter 4 is arranged in inside, and shape memory closes
Golden rope limiter 5 is arranged in outside.
In the present embodiment, sliding block 3 is set as cylinder, and the song with certain curvature radius is processed into two end faces of cylinder
Face is then coated with polytetrafluoroethylene (PTFE) friction material, then respectively with the sliding surface slide fit on top plate 1 and bottom plate 2, sliding block 3 and top
The radius of curvature of the curved surface of the sliding surface slide fit of plate 1 is identical with the radius of curvature of the sliding surface of top plate 1, correspondingly, sliding block 3 and bottom
The radius of curvature of the curved surface of the sliding surface slide fit of plate 1 is identical with the radius of curvature of the sliding surface of bottom plate 1.
In the present embodiment, the radius of curvature of the sliding surface of the radius of curvature and top plate 1 of the sliding surface of bottom plate 1 is arranged to identical
's.
Marmem rope limiter 5, as shown in figure 3, being made of the winding of multiply shape-memory alloy wire.Geological process
Under, support cover board translates, and alloy wire is stretched therewith, plays the role of energy consumption limit.Constitute marmem rope
The number of share of stock of shape-memory alloy wire does not have fixed value, and its diameter is 1mm, 0.5mm, 1.5mm or wherein several combinations.
After shape-memory alloy wire winding constitutes marmem rope, it is fixed together by pouring with connector, connector top
For half flexural pivot, half flexural pivot, which is placed in the spherical processing groove of top plate and bottom plate, forms marmem rope limiter 5, then
Marmem rope limiter 5 is rotatably coupled by the connector with top plate 1 and bottom plate 2.
Sliding block 3 can do integral, separate structure that can also be as shown in Figure 4, Figure 5 or other conjunctions as shown in FIG. 1
The structure of reason.
Its working principle (motion state) is as shown in fig. 6, when an earthquake occurs, the multifunctional adaptive answers friction pendulum branch
Seat is generated displacement by geological process, top plate 1, and sliding block 2 starts to slide, and seismic energy is isolated by the sliding of sliding block 2, by rubbing
Wipe contact earthquake energy.Meanwhile bushing type limiter 4 and marmem rope 5 also generate displacement therewith.Shape memory
Alloy rope limiter 5 starts to stretch, and provides restoring force and tensile capacity, while playing the role of energy consumption.When bushing type limiter 4
After reaching predetermined displacement amplitude, the high-strength bolt in casing is in contact with cannula tip with the inner wall of bottom end, prevent top plate 1 from after
Continuous to generate displacement, to play the position-limiting action to entire support, protection support will not be destroyed because displacement is excessive.
Embodiment 2
Multifunctional adaptive answers friction pendulum support, unlike the first embodiment, the radius of curvature of the sliding surface of bottom plate 1 and
The radius of curvature of the sliding surface of top plate 1 is arranged to different, makes in varied situations, the rigidity and damping characteristic of friction pendulum support
It can change with the movement of friction pendulum support, improve adaptivity.
Embodiment 3
Multifunctional adaptive answers friction pendulum support, and unlike the first embodiment, the main structure of sliding block 3 is cuboid, but
It is that the curved surface with certain curvature radius is processed into two end faces of cuboid length direction, is then coated with polytetrafluoroethylene (PTFE) and rubs
Wipe material, then respectively with the sliding surface slide fit on top plate 1 and bottom plate 2, the curved surface of the sliding surface slide fit of sliding block 3 and top plate 1
Radius of curvature is identical with the radius of curvature of the sliding surface of top plate 1, correspondingly, the curved surface of the sliding surface slide fit of sliding block 3 and bottom plate 1
Radius of curvature is identical with the radius of curvature of the sliding surface of bottom plate 1.
Embodiment 4
Multifunctional adaptive answers friction pendulum support, and unlike the first embodiment, the main structure of sliding block 3 is cube, but
It is that the curved surface with certain curvature radius is processed into the end face that any two of cube are parallel to each other, is then coated with polytetrafluoro
Ethylene friction material, then respectively with the sliding surface slide fit on top plate 1 and bottom plate 2, the sliding surface slide fit of sliding block 3 and top plate 1
The radius of curvature of curved surface is identical with the radius of curvature of the sliding surface of top plate 1, correspondingly, the sliding surface slide fit of sliding block 3 and bottom plate 1
The radius of curvature of curved surface is identical with the radius of curvature of the sliding surface of bottom plate 1.
Embodiment 5
Multifunctional adaptive answers friction pendulum support, and unlike the first embodiment, bushing type limiter 4 is arranged in outside, shape
Shape memory alloys rope limiter 5 is arranged in inside.
Embodiment 6
Multifunctional adaptive answers friction pendulum support, and unlike the first embodiment, bushing type limiter 4 and shape memory close
The position of golden rope limiter 5 is alternately arranged, that is, is partially bushing type limiter 4 in inside, marmem rope limiter 5
On the outside, another part be bushing type limiter 4 on the outside, marmem rope limiter 5 is in inside.
Embodiment 7
Multifunctional adaptive answers friction pendulum support, and unlike the first embodiment, limiting device is only with bushing type limiter
4, play the role of limiting energy consumption.
Embodiment 8
Multifunctional adaptive answers friction pendulum support, and unlike the first embodiment, limiting device is only with marmem
Rope limiter 5 plays the role of limiting energy consumption.
It is different from above embodiments, can also directly on the basis of the friction pendulum support of existing single sliding surface,
Marmem rope limiter 5 and bushing type limiter 4 are set, play the role of limiting energy consumption.
It should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should manage
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills
Art feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. multifunctional adaptive answers friction-pendulum shock-insulation support, including top plate and bottom plate and sliding block, it is characterised in that: the top plate and
It is equipped with sliding surface on bottom plate, bushing type limiter and/or the limit of marmem rope are set between the top plate and bottom plate
Device, the sliding block are arranged between two sliding surfaces, and the sliding block can slide on described two sliding surfaces.
2. multifunctional adaptive as described in claim 1 answers friction-pendulum shock-insulation support, it is characterised in that: described two sliding surfaces
Radius of curvature it is identical.
3. multifunctional adaptive as described in claim 1 answers friction-pendulum shock-insulation support, it is characterised in that: described two sliding surfaces
Radius of curvature it is not identical.
4. multifunctional adaptive as claimed in claim 2 or claim 3 answers friction-pendulum shock-insulation support, it is characterised in that: described two cunnings
Dynamic face includes upper and lower two sliding surfaces.
5. multifunctional adaptive as claimed in claim 4 answers friction-pendulum shock-insulation support, it is characterised in that: the limit of described sleeve pipe formula
Device is arranged at the angle for the adjacent edge intersection that the multifunctional adaptive answers friction-pendulum shock-insulation support and/or the shape memory
Alloy rope limiter is arranged in the multifunctional adaptive and answers on each side of friction-pendulum shock-insulation support.
6. multifunctional adaptive as claimed in claim 5 answers friction-pendulum shock-insulation support, it is characterised in that: the limit of described sleeve pipe formula
Device is arranged in outside, and the marmem rope limiter is arranged in inside；Or, described sleeve pipe formula limiter and the shape
Memorial alloy rope limiter is alternately arranged.
7. multifunctional adaptive as described in claim 1 or 6 answers friction-pendulum shock-insulation support, it is characterised in that: the sliding block is
Overall structure or separate structure.
8. multifunctional adaptive as claimed in claim 7 answers friction-pendulum shock-insulation support, it is characterised in that: the sliding surface is recessed
The face of face, the sliding block and sliding surface cooperation is convex surface.
9. multifunctional adaptive as claimed in claim 8 answers friction-pendulum shock-insulation support, it is characterised in that: the sliding block is by leading
Body structure is that the component processing of cuboid, cube or cylinder obtains.
10. the multifunctional adaptive as described in claim 1 or 9 answers friction-pendulum shock-insulation support, it is characterised in that: the sliding block
Upper and lower convex surface is coated with polytetrafluoroethylene (PTFE) friction material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012529.9U CN208685843U (en) | 2018-01-04 | 2018-01-04 | Multifunctional adaptive answers friction-pendulum shock-insulation support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012529.9U CN208685843U (en) | 2018-01-04 | 2018-01-04 | Multifunctional adaptive answers friction-pendulum shock-insulation support |
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| CN208685843U true CN208685843U (en) | 2019-04-02 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397175A (en) * | 2019-07-02 | 2019-11-01 | 广州大学 | A kind of SMA negative stiffness damping device |
| CN110453956A (en) * | 2019-07-18 | 2019-11-15 | 同济大学 | A kind of resistance to plucking based on double link answers friction-pendulum shock-insulation support |
| CN111058545A (en) * | 2020-01-02 | 2020-04-24 | 株洲时代新材料科技股份有限公司 | Anti-pulling device and shock insulation protection method |
| CN112160237A (en) * | 2020-10-16 | 2021-01-01 | 同济大学 | Compound friction pendulum isolation bearing based on high damping rubber |
| CN112696076A (en) * | 2020-12-26 | 2021-04-23 | 北京工业大学 | SMA is from restoring to throne isolation bearing |
| CN113914475A (en) * | 2021-09-28 | 2022-01-11 | 哈尔滨工业大学 | Friction pendulum type shock insulation layer and large span space assembly |
| IT202100025130A1 (en) * | 2021-09-30 | 2023-03-30 | Univ Degli Studi Roma La Sapienza | Multidirectional hysteretic negative stiffness heatsink |
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2018
- 2018-01-04 CN CN201820012529.9U patent/CN208685843U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397175A (en) * | 2019-07-02 | 2019-11-01 | 广州大学 | A kind of SMA negative stiffness damping device |
| CN110397175B (en) * | 2019-07-02 | 2021-09-28 | 广州大学 | SMA negative stiffness damping device |
| CN110453956A (en) * | 2019-07-18 | 2019-11-15 | 同济大学 | A kind of resistance to plucking based on double link answers friction-pendulum shock-insulation support |
| CN111058545A (en) * | 2020-01-02 | 2020-04-24 | 株洲时代新材料科技股份有限公司 | Anti-pulling device and shock insulation protection method |
| CN111058545B (en) * | 2020-01-02 | 2021-04-16 | 株洲时代新材料科技股份有限公司 | Anti-pulling device and shock insulation protection method |
| CN112160237A (en) * | 2020-10-16 | 2021-01-01 | 同济大学 | Compound friction pendulum isolation bearing based on high damping rubber |
| CN112696076A (en) * | 2020-12-26 | 2021-04-23 | 北京工业大学 | SMA is from restoring to throne isolation bearing |
| CN112696076B (en) * | 2020-12-26 | 2021-11-26 | 北京工业大学 | SMA is from restoring to throne isolation bearing |
| CN113914475A (en) * | 2021-09-28 | 2022-01-11 | 哈尔滨工业大学 | Friction pendulum type shock insulation layer and large span space assembly |
| CN113914475B (en) * | 2021-09-28 | 2022-12-27 | 哈尔滨工业大学 | Friction pendulum type shock insulation layer and large span space assembly |
| IT202100025130A1 (en) * | 2021-09-30 | 2023-03-30 | Univ Degli Studi Roma La Sapienza | Multidirectional hysteretic negative stiffness heatsink |
| WO2023053074A1 (en) * | 2021-09-30 | 2023-04-06 | Universita' Degli Studi Di Roma "La Sapienza" | Multidirectional hysteretic damper endowed with negative stiffness |
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