CN104343186A - Friction pendulum vibration isolation device and pressure monitoring structure thereof - Google Patents
Friction pendulum vibration isolation device and pressure monitoring structure thereof Download PDFInfo
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- CN104343186A CN104343186A CN201310330842.9A CN201310330842A CN104343186A CN 104343186 A CN104343186 A CN 104343186A CN 201310330842 A CN201310330842 A CN 201310330842A CN 104343186 A CN104343186 A CN 104343186A
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Abstract
The invention discloses a friction pendulum vibration isolation device. A stainless steel diaphragm is inlaid in one side, which faces a sliding surface of a bottom support, of a bottom hinging slider; an alloy resistor is arranged on the stainless steel diaphragm and is integrally connected with the stainless steel diaphragm through molecular bonds, so that an alloy film strain unit, which is used for inducing vertical pressure of the support, of a Wheatstone bridge is formed; an external load acts on a top supporting slide seat or a bottom supporting slide seat to cause deformation of the alloy film strain unit; the alloy film strain unit generates a voltage signal for monitoring the vertical pressure of the friction pendulum vibration isolation device; and the sliding surface of a bottom support plate is a curved surface. The invention also discloses a pressure monitoring structure for the friction pendulum vibration isolation device. By the friction pendulum vibration isolation device and the pressure monitoring structure thereof, the stress condition of the friction pendulum vibration isolation device can be monitored in real time, so that the health condition of the friction pendulum vibration isolation device can be judged; the friction pendulum vibration isolation device is high in fatigue resistance, high in stability and small in size; and influence on the mechanical property of the vibration isolation device is low.
Description
Technical field
The present invention relates to isolation mounting field, specifically, relate to a kind ofly Real-Time Monitoring health status can have friction pendulum isolation mounting and the pressure monitoring structure thereof of self-diagnostic function.
Background technology
The shock isolating pedestal generally applied at present mainly comprises lead-rubber isolation mounting, high-damping rubber isolation mounting and friction pendulum isolation mounting.But the bearing made of various quality of rubber materials due to vertical bearing capacity lower, durability is poor, can not be applied to separately superstructure very heavy and in the larger large-scale structure of horizontal movement requirement, now, just need use friction pendulum isolation mounting.
Friction pendulum isolation mounting is a kind of effective dry friction sliding and shock isolation system, has good mechanical property, and can obtain good isolating affection.Its cardinal principle is isolated at structure and ground, utilize the design of slide plane to extend the vibration period of structure, significantly to reduce the power augmentation effect of structural earthquake effect, it also can utilize the friction between slide plane and slide block to carry out consumed energy, reduces seismic energy to the destruction of structure.
From the destruction situation of bridge in the past, major part destroys the isolation mounting place occurring in bridge, isolation mounting is as main Force transmission parts, isolation mounting lost efficacy the total Collapse that will cause whole bridge, cause immeasurable serious consequence, the long-time stability of isolation mounting performance integral bridge safety is had great importance.
But it is just current, also there is no a kind of equipment can monitoring bearing health status, or there is the isolation mounting of pressure monitoring function, also once someone attempts to adopt sensor to detect the stressing conditions of isolation mounting, but general sensor cannot be put in isolation mounting, even if can put in isolation mounting, also can affect the stressed of isolation mounting, produce harmful effect.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of friction pendulum isolation mounting and pressure monitoring structure thereof, can the stressing conditions of Real-Time Monitoring friction pendulum isolation mounting, thus judges the health status of friction pendulum isolation mounting; Have good fatigue performance, stability is high; Volume is little, less to the Effect on Mechanical Properties of isolation mounting.
In order to solve the problems of the technologies described above, the invention discloses a kind of pressure monitoring structure for friction pendulum isolation mounting, comprise: can be installed in topmast support slide that friction pendulum isolation mounting has or the end supports resistance alloys in slide, resistance alloys supports slide or the end by molecular link and topmast and supports slide and be integrally connected, form the alloy firm strain unit of the Wheatstone bridge in order to respond to bearing vertical pressure, wherein: extraneous load action supports on slide at topmast support slide or the end and causes alloy firm to strain the deformation of unit, the voltage signal that alloy firm strain unit will produce in order to monitor friction pendulum isolation mounting vertical pressure, topmast support slide or the end, support slide and comprise support plate and be slidably connected to the hinged slide block on bearing, alloy firm strain unit is located between support plate and hinged slide block, hinged slide block side is coated with low-friction material or low-friction coating, in order to contact with the slide plane of bearing.
Preferably, the slide plane of bearing is curved surface, and a side surface of hinged slide block is set to cambered surface, and it has identical radius of curvature with the slide plane of bearing, and alloy firm strain unit can be inlaid on hinged slide block, keeps concordant with the cambered surface of hinged slide block; Low-friction material or low-friction coating comprise polytetrafluoroethylmaterial material.
For solving the problems of the technologies described above, the another kind of technical scheme that the present invention adopts is: a kind of pressure monitoring structure for friction pendulum isolation mounting, comprise: stainless steel diaphragm, the topmast had in order to be inlaid in friction pendulum isolation mounting supports in slide or end support slide responds to extraneous load; Be installed in the resistance alloys on stainless steel diaphragm, resistance alloys is integrally connected by molecular link and stainless steel diaphragm, form the alloy firm strain unit of the Wheatstone bridge in order to respond to bearing vertical pressure, wherein: extraneous load action supports on slide at topmast support slide or the end and causes alloy firm to strain the deformation of unit, the voltage signal that alloy firm strain unit will produce in order to monitor friction pendulum isolation mounting vertical pressure.
Preferably, topmast support slide or end support slide comprise bearing and are slidably connected to hinged slide block on bearing; The side that stainless steel diaphragm has resistance alloys is coated with low-friction material or low-friction coating, in order to contact with the slide plane of bearing.
Preferably, the slide plane of bearing is curved surface, and a side surface of hinged slide block is set to cambered surface, and it has identical radius of curvature with the slide plane of bearing; Stainless steel diaphragm and resistance alloys can be inlaid on hinged slide block, keep concordant with the cambered surface of hinged slide block.
Preferably, low-friction material or low-friction coating comprise polytetrafluoroethylmaterial material.
For solving the problems of the technologies described above, the another kind of technical scheme that the present invention adopts is: a kind of friction pendulum isolation mounting, comprise: topmast support slide and the end be hinged on topmast support slide support slide, the end support slide have end support plate and slidably adaptation the bottom hinge be connected on end support plate connect slide block, it is characterized in that, bottom hinge connects the side embedding stainless steel diaphragm of slide block towards end support plate slide plane, stainless steel diaphragm installs resistance alloys, resistance alloys is integrally connected by molecular link and stainless steel diaphragm, form the alloy firm strain unit in order to respond to earthquake isolating equipment vertical pressure Wheatstone bridge, wherein: extraneous load action supports on slide at topmast support slide or the end and causes alloy firm to strain the deformation of unit, the voltage signal that alloy firm strain unit will produce in order to monitor friction pendulum isolation mounting vertical pressure, the slide plane of end support plate is set to curved surface.
Preferably, the side that bottom hinge connects slide block installing stainless steel diaphragm and resistance alloys is set to cambered surface, and it has identical radius of curvature with the slide plane of end support plate; Be inlaid in the stainless steel diaphragm that bottom hinge connects on slide block and keep concordant with resistance alloys with the cambered surface of hinged slide block.
Preferably, the side that bottom hinge connects slide block setting-in stainless steel diaphragm and resistance alloys is coated with low-friction material or low-friction coating, and low-friction material or low-friction coating contact with the slide plane of end support plate.
Preferably, low-friction material or low-friction coating comprise polytetrafluoroethylmaterial material.
Preferably, topmast support slide comprise topmast seat board and slidably adaptation the crown hinge be connected on topmast seat board connect slide block, topmast seat has the slide plane being set to curved surface, crown hinge connects slide block and is set to arc towards slide plane one side surface of topmast seat board, it has identical radius of curvature with the slide plane of topmast seat, and contacts with the slide plane of topmast seat.
Preferably, the bottom that crown hinge connects slide block is provided with concave ball shape surface, the convex spherical surface that the top that bottom hinge connects slide block is provided with, protrudent sphere surface is connected to form a rotation ball pivot with concave sphere surface adaptation, connects maintenance level when slide block slides along the slide plane of end bearing to make topmast seat board at bottom hinge.
Preferably, the slide plane of topmast seat and crown hinge connect between slide block and are coated with low-friction material or low-friction coating.
Preferably, the edge of topmast seat and/or end bearing is provided with to limit crown hinge and connects the stopping means that slide block and/or bottom hinge connect skid scope.
Preferably, crown hinge connects slide block or bottom hinge and connects slide block and be provided with the micropore of drawing with the superfine wire of high-temperature shielding had for alloy firm strain unit.
A kind of friction pendulum isolation mounting provided by the present invention and pressure monitoring structure thereof, have following beneficial effect: first, can the stressing conditions of Real-Time Monitoring isolation mounting, thus judge the health status of isolation mounting.And can by realizing warning function to the post-processed of monitored data, namely when bearing stress exceedes permissible value or rigidity changes suddenly, can automatic alarm, avoid collapsing of the buildings such as bridge, avoid the generation of tragedy.
Secondly, alloy firm strain unit is set in the friction pendulum isolation mounting with arc-shaped curved surface, scribbles low-friction material between the slide plane of alloy firm strain unit and bearing and become as a whole; Alloy firm strain unit is linked together by the stainless steel diaphragm at its back side and hinged slide block, combines together with whole friction pendulum isolation mounting, and alloy firm to strain unit volume less, do not affect the mechanical property of isolation mounting.
Again, alloy firm in the present invention strain unit has better fatigue behaviour, and alternating stresses cycle-index can more than 5,000 ten thousand times, can over a long time the stable at operating temperature work of-40 ~ 150 degrees Celsius.A kind of friction pendulum isolation mounting of the present invention and pressure monitoring structure thereof, simple structure, cost is low, is widely used.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the explosion cross-sectional view of friction pendulum isolation mounting embodiment one of the present invention.
Fig. 2 is that friction pendulum isolation mounting embodiment one of the present invention assembles cross-sectional view.
Fig. 3 is the generalized section of pressure monitoring structure in friction pendulum isolation mounting embodiment one of the present invention.
Fig. 4 is the cross-sectional view of friction pendulum isolation mounting embodiment two of the present invention.
Detailed description of the invention
Below with reference to the accompanying drawings the preferred embodiments of the present invention are described.
In conjunction with see shown in Fig. 1-Fig. 3, it is the embodiment one of friction pendulum isolation mounting of the present invention.
Friction pendulum isolation mounting in the present embodiment, comprise: topmast support slide 1 and the end be hinged on topmast support slide 1 support slide 2, the end support slide 2 have end support plate 21 and slidably the adaptive bottom hinge be connected on end support plate 21 connect slide block 22, bottom hinge connects slide block 22 and installs pressure monitoring structure towards the side of end support plate slide plane 211.This pressure monitoring structure comprises stainless steel diaphragm 31(as shown in Figure 3), and the resistance alloys 32 be installed on stainless steel diaphragm 31, resistance alloys 32 is integrally connected by molecular link and stainless steel diaphragm 31, forms the alloy firm strain unit 3 of the Wheatstone bridge responding to earthquake isolating equipment vertical pressure.
Friction pendulum isolation mounting as shown in Figure 1, topmast support slide 1 comprise topmast seat board 11 and slidably adaptation the crown hinge be connected on topmast seat board 11 connect slide block 12, the bottom that crown hinge connects slide block 12 is provided with concave ball shape surface 122, and the convex spherical surface 222 that the top that bottom hinge connects slide block 22 is provided with, protrudent sphere surface 222 is connected to form a rotation ball pivot with concave sphere surface 122 adaptations, connects maintenance level when slide block 22 slides along the slide plane 211 of end support plate 21 to make topmast seat board 11 at bottom hinge.
Be understandable that, crown hinge connects slide block 12 and bottom hinge and connects the position that slide block 22 arranges concave sphere surface 122 and convex spherical surface 222 respectively and can turn mutually, namely connect slide block 12 at crown hinge and convex spherical surface 222 is set, and bottom hinge connects slide block 22 arranges concave sphere surface 122, enable suitable being connected to form of two bearings rotate ball pivot, do not affect enforcement.
The end support slide 2 have end support plate 21 and slidably adaptation the bottom hinge be connected on end support plate 21 connect slide block 22, end support plate 21 has the slide plane 211 that is set to curved surface.
As shown in Figure 3, for the generalized section of the pressure monitoring structure of friction pendulum isolation mounting in the present embodiment, bottom hinge connects the side embedding stainless steel diaphragm 31 of slide block 22 towards end support plate slide plane 211, stainless steel diaphragm 31 is installed resistance alloys 32, resistance alloys 32 is integrally connected by molecular link and stainless steel diaphragm 31, form the alloy firm strain unit 3 of the Wheatstone bridge in order to respond to earthquake isolating equipment vertical pressure, the effect of alloy firm strain unit 3 is, when extraneous load action supports at topmast support slide 1 or the end deformation slide 2 causing alloy firm strain unit 3, the voltage signal that alloy firm strain unit 3 will produce in order to monitor friction pendulum isolation mounting vertical pressure, that is, when the diaphragm of alloy firm strain unit 3 produces small deformation, electric bridge produces a highly linear be directly proportional to pressure, also the voltage signal be directly proportional to driving voltage, this signal is through process, just the pressure data of readable form can be changed into.
During concrete enforcement, this alloy firm strain unit 3 includes the corresponding construction part in thin-film pressure sensor or sputtered thin film pressure transducer two kinds of structures.Alloy firm strain unit 3 is positioned at bottom hinge and connects on the curved surfaces of slide block 22, and contacts with the slide plane 211 of end support plate 21.
Further, the bottom hinge in the present embodiment connects the side that slide block 22 installs stainless steel diaphragm 31 and resistance alloys 32 and is set to cambered surface 221, and it has identical radius of curvature with the slide plane 211 of end support plate 21; Be inlaid in the stainless steel diaphragm 31 that bottom hinge connects on slide block 22 and keep concordant with resistance alloys 32 with the cambered surface 221 of hinged slide block 22.
Further, bottom hinge in the present embodiment connects that the side of slide block 22 setting-in stainless steel diaphragm 31 and resistance alloys 32 is all or part of is coated with low-friction material or low-friction coating 4, and low-friction material or low-friction coating 4 contact with the slide plane 211 of end support plate 21.Low-friction material in the present embodiment or low-friction coating 4 are the low-friction materials such as polytetrafluoroethylene (PTFE) (Teflon).
The effect arranging low-friction material or low-friction coating 4 is: bottom hinge is connect between slide block 22 and end support plate 21 can produce small amplitude slip under temperature load and seismic loading, come release temperature load and seismic load.
Particularly, the slide plane 211 of the end bearing of friction pendulum isolation mounting is set to curved surface, thus makes topmast support slide 1 and bottom hinge to connect slide block 22 weight component of superstructure can be relied on as the power of automatically replying.Under geological process, when the inertia force that topmast support slide 1 and bottom hinge connect slide block 22 exceedes the stiction on slide plane 211, the inertia force that topmast support slide 1 and bottom hinge connect slide block 22 can impel bottom hinge to connect slide block 22(cambered surface 221) slide in the scope of slide plane 211, topmast support slide 1 and bottom hinge connect slide block 22 and to dissipate in sliding process seismic energy; After geological process, isolation mounting can automatically reply initial rest position under the vertical uniform load q self be subject to.
Further, the edge of topmast seat board 11 in the present embodiment and end support plate 21 can arrange and connect in order to limit crown hinge the stopping means 114,214 that slide block 12 and bottom hinge connect slide block 22 sliding scale.Stopping means 114, the effect of 214 is in order to isolation mounting is under large shake effect, ensures that bottom hinge connects slide block 22 and can not skid off in the slide plane 211 of end support plate 21.
Further, the micropore 223 slide block 22 being arranged and draws with the superfine wire 33 of high-temperature shielding had for alloy firm strain unit 3 can be connect by bottom hinge in the present embodiment.
Further, friction pendulum isolation mounting in the present embodiment can install the signal handling equipment and data transmission device (not shown) that are connected with friction pendulum isolation mounting, during enforcement, the monitored data of isolation mounting can be transferred to control room.Particularly, alloy firm strain unit produces the voltage signal in order to monitor friction pendulum isolation mounting vertical pressure, this signal is through conducting to signal handling equipment outside isolation mounting and data transmission device by the superfine wire 33 of high-temperature shielding, the monitored data changing readable form into transfers to control room, carry out the post-processed of data, send safety alarm when the value of compressive stress of isolation mounting exceeds and allows value of compressive stress or rigidity to undergo mutation.
See Fig. 4, it is the embodiment two of friction pendulum isolation mounting of the present invention.
The difference of the present embodiment and above-described embodiment one is: topmast support slide 1 comprise topmast seat board 11 and slidably the adaptive crown hinge be connected on topmast seat board 11 connect slide block 12, topmast seat 11 plate has the slide plane 111 being set to curved surface, crown hinge connects slide block 12 and is set to arc towards slide plane 111 1 side surface of topmast seat board 11, it has identical radius of curvature with the slide plane 111 of topmast seat board 11, and contacts with the slide plane 111 of topmast seat board 11.
This embodiment is when earthquake occurs, topmast seat 11 plate and crown hinge connect between slide block 12 can relative sliding, reduce the coupling stiffness of topmast support slide 1, play and subtract function of shock insulation, topmast seat 11 plate and crown hinge are connect slide block 12 and be set to the adaptive globoidal structure be connected, be in order to after earthquake, crown hinge connects the position that slide block 12 can return to initial balance.
Further, in the present embodiment, can the slide plane 111 of topmast seat board 11 and crown hinge connect to be coated with between slide block 12 be also provided with low-friction material or low-friction coating (with the low-friction material in embodiment one or low-friction coating 4 structure identical), for low-friction materials such as polytetrafluoroethylene (PTFE) (Teflon), crown hinge is connect between slide block 12 and topmast seat 11 can produce slip under temperature load and seismic loading, come release temperature load and seismic load, and after geological process, initial rest position is automatically replied under the easier vertical uniform load q self being subject to of isolation mounting.
In other embodiments of friction pendulum isolation mounting of the present invention, alloy firm strain unit 3 can not contain stainless steel diaphragm 31, resistance alloys 32 directly supports slide 1 or the end by molecular link and supports slide 2 and be integrally connected with topmast, alloy firm strains unit 3, and to monitor the embodiment of friction pendulum isolation mounting vertical pressure voltage signal identical with above-mentioned embodiment.In addition, other structures in this kind of embodiment except alloy firm strain unit 3 structure can be undertaken by the embodiment in above-described embodiment one and embodiment two converting or combining.
In other embodiments of friction pendulum isolation mounting of the present invention, alloy firm strain unit 3 can be located at the topmast seat board 11 that is slidably connected and crown hinge connects between slide block 12, and its mounting means is with above-mentioned to be arranged on the embodiment that end support plate 21 and bottom hinge connect between slide block 22 identical.During concrete enforcement, this alloy firm strain unit 3 also includes the corresponding construction part in thin-film pressure sensor or sputtered thin film pressure transducer two kinds of structures.
Implement friction pendulum isolation mounting of the present invention and pressure monitoring structure thereof, first, can the stressing conditions of Real-Time Monitoring isolation mounting, thus judge the health status of isolation mounting.And can by realizing warning function to the post-processed of monitored data, namely when bearing stress exceedes permissible value or rigidity changes suddenly, can automatic alarm, avoid collapsing of the buildings such as bridge, avoid the generation of tragedy.
Secondly, alloy firm strain unit is set in the friction pendulum isolation mounting with arc-shaped curved surface, scribbles low-friction material between the slide plane of alloy firm strain unit and bearing and become as a whole; Alloy firm strain unit is linked together by the stainless steel diaphragm at its back side and hinged slide block, combines together, do not affect the mechanical property of bearing with whole friction pendulum isolation mounting, and alloy firm to strain unit volume less, do not affect the mechanical property of bearing.
Again, alloy firm in the present invention strain unit has better fatigue behaviour, and alternating stresses cycle-index can more than 5,000 ten thousand times, can over a long time the stable at operating temperature work of-40 ~ 150 degrees Celsius.A kind of friction pendulum isolation mounting of the present invention and pressure monitoring structure thereof, simple structure, cost is low, is widely used.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore equivalent variations, still belongs to the scope that the present invention is contained.
Claims (16)
1. for a pressure monitoring structure for friction pendulum isolation mounting, it is characterized in that, comprising:
Can be installed in topmast support slide that friction pendulum isolation mounting has or the end supports resistance alloys in slide, described resistance alloys supports slide or the described end by molecular link and described topmast and supports slide and be integrally connected, form the alloy firm strain unit of the Wheatstone bridge in order to respond to bearing vertical pressure, wherein:
Extraneous load action supports on slide at described topmast support slide or the described end and causes described alloy firm to strain the deformation of unit, the voltage signal that described alloy firm strain unit will produce in order to monitor friction pendulum isolation mounting vertical pressure;
Described topmast support slide or the described end, support slide and comprise support plate and be slidably connected to the hinged slide block on described support plate, described alloy firm strain unit is located between described support plate and described hinged slide block, its side is coated with low-friction material or low-friction coating, in order to contact with the slide plane of bearing.
2. as claimed in claim 1 for the pressure monitoring structure of friction pendulum isolation mounting, it is characterized in that, the slide plane of described bearing is curved surface, one side surface of described hinged slide block is set to cambered surface, it has identical radius of curvature with the slide plane of described bearing, described alloy firm strain unit can be inlaid on described hinged slide block, keeps concordant with the described cambered surface of described hinged slide block;
Described low-friction material or described low-friction coating comprise polytetrafluoroethylmaterial material.
3. for a pressure monitoring structure for friction pendulum isolation mounting, it is characterized in that, comprising:
Stainless steel diaphragm, the topmast had in order to be inlaid in described friction pendulum isolation mounting supports in slide or end support slide responds to extraneous load;
Be installed in the resistance alloys on described stainless steel diaphragm, described resistance alloys is integrally connected by molecular link and described stainless steel diaphragm, forms the alloy firm strain unit of the Wheatstone bridge responding to bearing vertical pressure, wherein:
Extraneous load action supports on slide at described topmast support slide or the described end and causes described alloy firm to strain the deformation of unit, the voltage signal that described alloy firm strain unit will produce in order to monitor friction pendulum isolation mounting vertical pressure.
4. as claimed in claim 3 for the pressure monitoring structure of friction pendulum isolation mounting, it is characterized in that, described topmast support slide or the described end, support slide and comprise support plate and be slidably connected to the hinged slide block on described support plate;
The side that described stainless steel diaphragm has resistance alloys is coated with low-friction material or low-friction coating, in order to contact with the slide plane of bearing.
5., as claimed in claim 4 for the pressure monitoring structure of friction pendulum isolation mounting, it is characterized in that, the slide plane of described bearing is curved surface, and a side surface of described hinged slide block is set to cambered surface, and it has identical radius of curvature with the slide plane of described bearing;
Described stainless steel diaphragm and described resistance alloys can be inlaid on described hinged slide block, keep concordant with the described cambered surface of described hinged slide block.
6., as claimed in claim 5 for the pressure monitoring structure of friction pendulum isolation mounting, it is characterized in that, described low-friction material or described low-friction coating comprise polytetrafluoroethylmaterial material.
7. a friction pendulum isolation mounting, comprise: topmast support slide and the end be hinged on described topmast support slide support slide, the described end support slide have end support plate and slidably the adaptation bottom hinge be connected on support plate of the described end connect slide block, it is characterized in that, described bottom hinge connects the side embedding stainless steel diaphragm of slide block towards bearing sliding face, the end, described stainless steel diaphragm installs resistance alloys, described resistance alloys is integrally connected by molecular link and described stainless steel diaphragm, form the alloy firm strain unit of the Wheatstone bridge in order to respond to bearing vertical pressure, wherein:
Extraneous load action supports on slide at described topmast support slide or the described end and causes described alloy firm to strain the deformation of unit, the voltage signal that described alloy firm strain unit will produce in order to monitor friction pendulum isolation mounting vertical pressure;
The described slide plane of bearing of the described end is set to curved surface.
8. friction pendulum isolation mounting as claimed in claim 7, is characterized in that, described bottom hinge connects the side that slide block installs described stainless steel diaphragm and described resistance alloys and is set to cambered surface, and it has identical radius of curvature with the described slide plane of bearing of the described end;
Be inlaid in the described stainless steel diaphragm that described bottom hinge connects on slide block and keep concordant with described resistance alloys with the described cambered surface of described hinged slide block.
9. friction pendulum isolation mounting as claimed in claim 7, it is characterized in that, the side that described bottom hinge connects stainless steel diaphragm and described resistance alloys described in slide block setting-in is coated with low-friction material or low-friction coating, and described low-friction material or low-friction coating contact with the described slide plane of support plate of the described end.
10. friction pendulum isolation mounting as claimed in claim 8, it is characterized in that, the side that described bottom hinge connects stainless steel diaphragm and described resistance alloys described in slide block setting-in is coated with low-friction material or low-friction coating, and described low-friction material or low-friction coating contact with the described slide plane of bearing of the described end.
11. friction pendulum isolation mountings as described in claim 9 or 10, it is characterized in that, described low-friction material or described low-friction coating comprise polytetrafluoroethylmaterial material.
12. friction pendulum isolation mountings as claimed in claim 7, it is characterized in that, described topmast support slide comprise topmast seat board and slidably the adaptation crown hinge be connected on described topmast seat connect slide block, described topmast seat board has the slide plane being set to curved surface, described crown hinge connects slide block and is set to arc towards described slide plane one side surface of described topmast seat board, it has identical radius of curvature with the described slide plane of described topmast seat board, and contacts with the described slide plane of described topmast seat board.
13. friction pendulum isolation mountings as described in claim 7 or 12, it is characterized in that, the bottom that described crown hinge connects slide block is provided with concave ball shape surface, the convex spherical surface that the top that described bottom hinge connects slide block is provided with, described protrudent sphere surface is connected to form a rotation ball pivot with described concave sphere surface adaptation, connects maintenance level when slide block slides along the described slide plane of bearing of the described end to make described topmast seat at described bottom hinge.
14. friction pendulum isolation mountings as claimed in claim 12, it is characterized in that, the described slide plane of described topmast seat and described crown hinge connect between slide block and are coated with low-friction material or low-friction coating.
15. friction pendulum isolation mountings according to claim 7, is characterized in that, the edge of described topmast seat and/or bearing of the described end is provided with to limit described crown hinge and connects the stopping means that slide block and/or described bottom hinge connect skid scope.
16. friction pendulum isolation mountings according to claim 7, is characterized in that, described crown hinge connects slide block or described bottom hinge and connects slide block and be provided with the micropore of drawing with the superfine wire of high-temperature shielding had for alloy firm strain unit.
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| CN104912201A (en) * | 2015-06-25 | 2015-09-16 | 哈尔滨工业大学 | Variable friction-type spherical surface-cylindrical surface friction-type support |
| WO2018014427A1 (en) * | 2016-07-18 | 2018-01-25 | 深圳市市政设计研究院有限公司 | Friction pendulum isolation bearing, intelligent isolation bearing, and bearing monitoring system |
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| CN106568706A (en) * | 2016-11-10 | 2017-04-19 | 武汉海润工程设备有限公司 | Sliding material friction performance evaluating method for bridge and building shock isolation devices |
| CN106568706B (en) * | 2016-11-10 | 2017-10-10 | 武汉海润工程设备有限公司 | A kind of bridge and architectural vibration-insulation device sliding material frictional behaviour assessment method |
| CN106759453A (en) * | 2016-11-23 | 2017-05-31 | 同济大学 | A kind of transformer foundation shock isolation system |
| CN109881784A (en) * | 2019-01-22 | 2019-06-14 | 上海大学 | A kind of cambered surface slide type three-dimensional shock isolation support |
| CN110397175A (en) * | 2019-07-02 | 2019-11-01 | 广州大学 | A kind of SMA negative stiffness damping device |
| CN110512646A (en) * | 2019-08-28 | 2019-11-29 | 河南大学 | A kind of Self-resetting shock-absorption system and construction method improving underground station center pillar anti-seismic performance |
| WO2022121622A1 (en) * | 2020-12-10 | 2022-06-16 | 清华大学 | Double-friction pendulum three-dimensional vibration isolation support |
| JP6976471B1 (en) * | 2021-05-28 | 2021-12-08 | 日鉄エンジニアリング株式会社 | Foundation for spherical sliding device and its construction method |
| JP2022182348A (en) * | 2021-05-28 | 2022-12-08 | 日鉄エンジニアリング株式会社 | Foundation for spherical surface sliding device and method for constructing the same |
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