CN104343186B - 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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- CN104343186B CN104343186B CN201310330842.9A CN201310330842A CN104343186B CN 104343186 B CN104343186 B CN 104343186B CN 201310330842 A CN201310330842 A CN 201310330842A CN 104343186 B CN104343186 B CN 104343186B
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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, it is to be related to one kind to have certainly with real-time monitoring health status
The friction pendulum isolation mounting of diagnostic function and its pressure monitoring structure.
Background technology
Shock isolating pedestal commonly used at present mainly includes lead-rubber isolation mounting, high-damping rubber isolation mounting and rubs
Wipe pendulum isolation mounting.But the bearing that various quality of rubber materials are made is relatively low due to vertical bearing capacity, durability is poor it is impossible to independent should
For, in very heavy and larger to the horizontal displacement requirement large-scale structures of superstructure, now, friction pendulum vibration isolation dress just need to be used
Put.
Friction pendulum isolation mounting is a kind of effective dry friction sliding and shock isolation system, has good mechanical property, and energy
Obtain preferable isolating affection.Its cardinal principle is to isolate structures with ground, is extended using the design of sliding surface and constructs
The vibration period of thing, so that the power augmentation effect of structural earthquake effect is greatly reduced, it be also with sliding surface and slide block it
Between friction carry out consumed energy, reduce the destruction to structures for the seismic energy.
From the point of view of the destruction situation of conventional bridge, most of destruction occurs at the isolation mounting of bridge, and isolation mounting is made
For main Force transmission partses, isolation mounting lost efficacy and will lead to the total Collapse of whole bridge, caused immeasurable serious consequence,
The long-time stability of isolation mounting performance bridge overall security is had great importance.
But at present, also there is no a kind of equipment that can monitor bearing health status, or there is pressure monitoring work(
The isolation mounting of energy, also once attempted to detect the stressing conditions of isolation mounting using sensor, but general sensor
Cannot be put in isolation mounting, even if the stress that isolation mounting also can be affected to isolation mounting can be put, produce bad shadow
Ring.
Content of the invention
The technical problem to be solved is, provides a kind of friction pendulum isolation mounting and its pressure monitoring structure,
Can be with the stressing conditions of real-time monitoring friction pendulum isolation mounting, thus judging the health status of friction pendulum isolation mounting；Have relatively
Good fatigue performance, stability is high；Small volume is less to the Effect on Mechanical Properties of isolation mounting.
In order to solve above-mentioned technical problem, the invention discloses a kind of pressure monitoring knot for friction pendulum isolation mounting
Structure, comprising: be installed in the top support slide that friction pendulum isolation mounting has or bottom supports resistance alloys in slide, alloy electricity
Resistance supports slide to be integrally connected by molecular link with top support slide or bottom, is formed and supports and slide in order to sense top support slide or bottom
The alloy firm strain unit of the Wheatstone bridge of seat vertical pressure, wherein: extraneous load action props up in top support slide or bottom
Alloy firm is caused to strain the deformation of unit on support slide, alloy firm strain unit will produce in order to monitor friction pendulum vibration isolation dress
Put the voltage signal of vertical pressure；Top support slide or bottom support slide to include the support plate and slidable connection hinge on bearing
Connect slide block, alloy firm strain unit is located between support plate and hinged slide block, and hinged slide block side is coated with low-friction material
Or low-friction coating, in order to support the sliding surface of slide to contact with top support slide or bottom；
Alloy firm strain unit is inlaid on hinged slide block, keeps concordant with the cambered surface of hinged slide block.
Preferably, the sliding surface of support plate is curved surface, and a side surface of hinged slide block is set to cambered surface, its cunning with support plate
Dynamic face has identical radius of curvature；Low-friction material or low-friction coating include polytetrafluoroethylmaterial material.
For solving above-mentioned technical problem, another kind of technical scheme that the present invention adopts is: one kind is for friction pendulum vibration isolation dress
The pressure monitoring structure put, comprising: rustless steel diaphragm, in order to be inlaid in the top support slide that friction pendulum isolation mounting has or
Bottom supports the extraneous load of sensing in slide, top support slide or bottom to support slide to include bearing and slidable connection and cuts with scissors on bearing
Connect slide block；It is installed in the resistance alloys on rustless steel diaphragm, resistance alloys is integrally connected with rustless steel diaphragm by molecular link, shape
Become and support the alloy firm of the Wheatstone bridge of slide vertical pressure to strain unit in order to sense top support slide or bottom, wherein:
The side that rustless steel diaphragm has resistance alloys is coated with low-friction material or low-friction coating, in order to top support slide or bottom
Support the sliding surface contact of slide, rustless steel diaphragm and resistance alloys to be inlaid on hinged slide block, protect with the cambered surface of hinged slide block
Maintain an equal level neat；Extraneous load action supports in top support slide or bottom and causes alloy firm to strain the deformation of unit, alloy on slide
Thin film strain unit will produce in order to monitor the voltage signal of friction pendulum isolation mounting vertical pressure.
Preferably, the sliding surface of support plate is curved surface, and a side surface of hinged slide block is set to cambered surface, its cunning with support plate
Dynamic face has identical radius of curvature.
Preferably, low-friction material or low-friction coating include polytetrafluoroethylmaterial material.
For solving above-mentioned technical problem, another kind of technical scheme that the present invention adopts is: a kind of friction pendulum isolation mounting, bag
Include: top support slide and the bottom that is hinged on top support slide support slide, bottom supports slide to have bottom support plate and slidably
The bottom hinge that is connected on the support plate of bottom of adaptation connect slide block it is characterised in that bottom hinge connects slide block towards bottom support plate sliding surface
Side embeds rustless steel diaphragm, and rustless steel diaphragm is installed resistance alloys, and resistance alloys passes through molecular link with rustless steel diaphragm even
Connect one, formed and support the alloy firm strain of slide vertical pressure Wheatstone bridge single in order to sense top support slide or bottom
Unit, wherein: be inlaid in the cambered surface that the rustless steel diaphragm that bottom hinge connects on slide block connects slide block with resistance alloys and bottom hinge and keep concordant, bottom
Hinged slide block is embedded in rustless steel diaphragm and the side of resistance alloys is coated with low-friction material or low-friction coating, low-friction material
Or low-friction coating is contacted with the sliding surface of bottom support plate；Extraneous load action supports in top support slide or bottom and draws on slide
Play the deformation that alloy firm strains unit, alloy firm strain unit will produce in order to monitor friction pendulum isolation mounting vertical pressure
Voltage signal；The sliding surface of bottom support plate is set to curved surface.
Preferably, bottom hinge connects slide block and installs the side of rustless steel diaphragm and resistance alloys and is set to cambered surface, itself and bottom support plate
Sliding surface there is identical radius of curvature.
Preferably, low-friction material or low-friction coating include polytetrafluoroethylmaterial material.
Preferably, the crown hinge that top support slide includes topmast seat board and slidably adaptation is connected on topmast seat board connects cunning
Block, topmast seat board has the sliding surface being set to curved surface, and crown hinge connects slide block and is set to arc towards sliding surface one side surface of topmast seat board
Shape, it has identical radius of curvature with the sliding surface of topmast seat board, and contacts with the sliding surface of topmast seat board.
Preferably, crown hinge connects the bottom of slide block and is provided with concave spherical surface, and bottom hinge connects the convex spherical watch that the top of slide block is provided with
Face, protrudent sphere surface is connected formation one rotation ball pivot with concave sphere surface adaptation, so that topmast seat board connects slide block the bottom of along in bottom hinge
Level is kept when the sliding surface of support plate slides.
Preferably, the sliding surface of topmast seat board and crown hinge connect and are coated with low-friction material or low-friction coating between slide block.
Preferably, the edge of topmast seat board and/or bottom support plate is provided with to limit that crown hinge connects slide block and/or bottom hinge connects cunning
The stopping means of block sliding scale.
Preferably, crown hinge connects slide block or bottom hinge connects slide block and is provided with straining, for alloy firm, the high-temperature shielding that unit has
The micropore that superfine wire is drawn.
A kind of friction pendulum isolation mounting provided by the present invention and its pressure monitoring structure, have the advantages that head
First, can be with the stressing conditions of real-time monitoring isolation mounting, thus judging the health status of isolation mounting.And can be by prison
Warning function is realized in the later stage process surveying data, that is, when bearing stress exceedes permissible value or rigidity changes suddenly, can
Automatic alarm, it is to avoid the collapsing of the building such as bridge, it is to avoid the generation of tragedy.
Secondly, setting alloy firm strain unit in the friction pendulum isolation mounting have arc-shaped curved surface, alloy firm should
Scribbling low-friction material between the sliding surface of change unit and bearing becomes an entirety；Alloy firm strains unit and passes through its back side
Rustless steel diaphragm is linked together with hinged slide block, combines together with whole friction pendulum isolation mounting, and alloy firm strain is single
Elementary volume is less, does not affect the mechanical property of isolation mounting.
Again, the alloy firm strain unit in the present invention has preferable fatigue behaviour, and alternate stress cycle-index is permissible
More than 50,000,000 times, can work in -40～150 degrees Celsius of stable at operating temperature over a long time.One kind of the present invention is rubbed
Wipe pendulum isolation mounting and its pressure monitoring structure, simple structure, low cost, be widely used.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are 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.
Specific embodiment
Below with reference to the accompanying drawings the preferred embodiments of the present invention are described.
In conjunction with referring to the embodiment one shown in Fig. 1-Fig. 3, being friction pendulum isolation mounting of the present invention.
Friction pendulum isolation mounting in the present embodiment, comprising: top support slide 1 and the bottom being hinged on top support slide 1
Support slide 2, bottom supports the bottom hinge that slide 2 has bottom support plate 21 and slidably adaptation is connected on bottom support plate 21 to connect cunning
Block 22, bottom hinge connects slide block 22 and installs pressure monitoring structure towards the side of bottom support plate sliding surface 211.This pressure monitoring structure bag
Include rustless steel diaphragm 31 (as shown in Figure 3), and be installed in the resistance alloys 32 on rustless steel diaphragm 31, resistance alloys 32 passes through
Molecular link is integrally connected with rustless steel diaphragm 31, is formed thin in order to sense the alloy of the Wheatstone bridge of earthquake isolating equipment vertical pressure
Membrane strain unit 3.
Friction pendulum isolation mounting as shown in Figure 1, top support slide 1 includes topmast seat board 11 and slidably adaptation connection
Crown hinge on topmast seat board 11 connects slide block 12, and the bottom that crown hinge connects slide block 12 is provided with concave spherical surface 122, and bottom hinge connects slide block
The convex spherical surface 222 that 22 top is provided with, protrudent sphere surface 222 is connected formation one roating sphere with concave sphere surface 122 adaptation
Hinge so that topmast seat board 11 bottom hinge connect slide block 22 along bottom support plate 21 sliding surface 211 slide when holding level.
It is understood that crown hinge connects slide block 12 and bottom hinge connects slide block 22 and is respectively provided with concave sphere surface 122 and convex spherical
The position on surface 222 can mutually be turned, and connect slide block 12 in crown hinge and arrange convex spherical surface 222, and bottom hinge connects slide block 22 and arranges
Concave sphere surface 122, enables two bearings to be adapted connection and forms rotation ball pivot, do not affect to implement.
Bottom supports the bottom hinge that slide 2 has bottom support plate 21 and slidably adaptation is connected on bottom support plate 21 to connect slide block
22, bottom support plate 21 has a sliding surface 211 being set to curved surface.
As shown in figure 3, being the generalized section of the pressure monitoring structure of friction pendulum isolation mounting in the present embodiment, bottom hinge connects
Slide block 22 embeds rustless steel diaphragm 31 towards the side of bottom support plate sliding surface 211, and rustless steel diaphragm 31 is installed resistance alloys
32, resistance alloys 32 is integrally connected with rustless steel diaphragm 31 by molecular link, is formed in order to sense earthquake isolating equipment vertical pressure
The alloy firm of Wheatstone bridge strains unit 3, and the effect that alloy firm strains unit 3 is, when extraneous load action is in topmast
When support slide 1 or bottom support the deformation causing alloy firm strain unit 3 on slide 2, generation is used by alloy firm strain unit 3
To monitor the voltage signal of friction pendulum isolation mounting vertical pressure that is to say, that working as the diaphragm generation that alloy firm strains unit 3
During small deformation, electric bridge produces the voltage signal that a highly linear being directly proportional to the pressure also is directly proportional to driving voltage,
This signal, through processing, just can be changed into the pressure data of readable form.
When being embodied as, this alloy firm strain unit 3 includes thin-film pressure sensor or sputtered film pressure passes
Corresponding construction part in two kinds of structures of sensor.Alloy firm strain unit 3 connects on the curved surfaces of slide block 22 positioned at bottom hinge, and with
The sliding surface 211 of bottom support plate 21 contacts.
Further, the bottom hinge in the present embodiment connects slide block 22 installing rustless steel diaphragm 31 and the side of resistance alloys 32 sets
For cambered surface 221, it has identical radius of curvature with the sliding surface 211 of bottom support plate 21；It is inlaid in bottom hinge to connect on slide block 22
Rustless steel diaphragm 31 keeps concordant with resistance alloys 32 with the cambered surface 221 of hinged slide block 22.
Further, the bottom hinge in the present embodiment connects slide block 22 setting-in rustless steel diaphragm 31 and the side of resistance alloys 32 is complete
Portion or part are coated with low-friction material or low-friction coating 4, the cunning of low-friction material or low-friction coating 4 and bottom support plate 21
Dynamic face 211 contacts.Low-friction material in the present embodiment or low-friction coating 4 are the low frictions such as politef (Teflon)
Material.
Setting low-friction material or the effect of low-friction coating 4 are: make bottom hinge connect between slide block 22 and bottom support plate 21
Small amplitude slip can be produced under temperature load and seismic loading, come release temperature load and earthquake load.
Specifically, the sliding surface 211 of the bottom bearing of friction pendulum isolation mounting is set to curved surface so that top support slide 1 and
Bottom hinge connects slide block 22 and can rely on the weight component of superstructure as the power of automatically replying.Under geological process, when top support is slided
When seat 1 and bottom hinge connect the inertia force of slide block 22 and exceed the stiction on sliding surface 211, top support slide 1 and bottom hinge connect slide block
22 inertia force can promote bottom hinge to connect slide block 22 (cambered surface 221) to enter line slip, top support slide in the range of sliding surface 211
1 and bottom hinge connect slide block 22 dissipation seismic energy in sliding process；After geological process, isolation mounting can be subject at itself
Initial rest position is automatically replied under vertical uniform load q.
Further, can the edge of topmast seat board 11 in the present embodiment and bottom support plate 21 arrange in order to limit top
Hinged slide block 12 and bottom hinge connect the stopping means 114,214 of slide block 22 sliding scale.Stopping means 114,214 effect be in order to
Isolation mounting is under big shake acts on it is ensured that bottom hinge connects slide block 22 will not skid off in the sliding surface 211 of bottom support plate 21.
Further, can bottom hinge in the present embodiment connect arrange on slide block 22 with for alloy firm strain unit 3
The micropore 223 that the superfine wire of high-temperature shielding 33 having is drawn.
Further, can install on friction pendulum isolation mounting in the present embodiment and be connected with friction pendulum isolation mounting
Signal handling equipment data transmitting device (not shown), the Monitoring Data of isolation mounting can be transmitted to control during enforcement
Room.Specifically, alloy firm strain unit produces in order to monitor the voltage signal of friction pendulum isolation mounting vertical pressure, this signal
Through conducting the signal handling equipment data transmitting device to outside isolation mounting by the superfine wire of high-temperature shielding 33, it is changed into
The Monitoring Data of readable form is transmitted to control room, and the later stage carrying out data is processed, and permits when the value of compressive stress of isolation mounting exceeds
Permitted value of compressive stress or rigidity is sent safety alarm when undergoing mutation.
Referring to Fig. 4, it is the embodiment two of friction pendulum isolation mounting of the present invention.
The present embodiment is with the difference of above-described embodiment one: top support slide 1 includes topmast seat board 11 and can slide
The crown hinge that dynamic adaptation is connected on topmast seat board 11 connects slide block 12, and topmast seat 11 plate has the sliding surface 111 being set to curved surface, top
Hinged slide block 12 is set to arc towards sliding surface 111 1 side surface of topmast seat board 11, its sliding surface 111 with topmast seat board 11
There is identical radius of curvature, and contact with the sliding surface 111 of topmast seat board 11.
When earthquake occurs, topmast seat 11 plate is connect with crown hinge and can relative slide between slide block 12 this embodiment, reduces top
Support the coupling stiffness of slide 1, play and subtract function of shock insulation, topmast seat 11 plate and crown hinge are connect slide block 12 and is set to be adapted to the arc being connected
Face structure, be for earthquake after, crown hinge connects the position that slide block 12 can return to initial balance.
Further, in the present embodiment, can connect in the sliding surface 111 of topmast seat board 11 and crown hinge and apply between slide block 12
It is provided with low-friction material or low-friction coating (identical with the low-friction material in embodiment one or low-friction coating 4 structure), be
The low-friction materials such as politef (Teflon), make crown hinge connect between slide block 12 and topmast seat 11 in temperature load and earthquake lotus
Slip can be produced under load effect, come release temperature load and earthquake load, and after geological process, isolation mounting is easier
Automatically reply initial rest position under the vertical uniform load q itself being subject to.
In the other embodiment of friction pendulum isolation mounting of the present invention, alloy firm strain unit 3 can not contain stainless
Steel diaphragm 31, resistance alloys 32 passes through molecular link and directly supports slide 2 to be integrally connected with top support slide 1 or bottom, alloy firm
The embodiment that strain unit 3 monitors friction pendulum isolation mounting vertical pressure voltage signal is identical with above-mentioned embodiment.Additionally,
In this kind of embodiment, the other structures in addition to alloy firm strains unit 3 structure can be by above-described embodiment one and embodiment two
Embodiment enter line translation or combination.
In the other embodiment of friction pendulum isolation mounting of the present invention, alloy firm strain unit 3 can be located at slip even
The topmast seat board 11 connecing and crown hinge connect between slide block 12, and its mounting means is arranged on bottom support plate 21 and bottom hinge connects slide block with above-mentioned
Embodiment between 22 is identical.When being embodied as, this alloy firm strain unit 3 also include thin-film pressure sensor or
Corresponding construction part in two kinds of structures of sputtered thin film pressure transducer.
Implement friction pendulum isolation mounting and its pressure monitoring structure of the present invention, it is possible, firstly, to real-time monitoring isolation mounting
Stressing conditions, thus judging the health status of isolation mounting.And can by later stage of Monitoring Data is processed realize pre-
Alert function, that is, when bearing stress exceedes permissible value or rigidity changes suddenly, being capable of automatic alarm, it is to avoid bridge etc. is built
Collapse, it is to avoid the generation of tragedy.
Secondly, setting alloy firm strain unit in the friction pendulum isolation mounting have arc-shaped curved surface, alloy firm should
Scribbling low-friction material between the sliding surface of change unit and bearing becomes an entirety；Alloy firm strains unit and passes through its back side
Rustless steel diaphragm is linked together with hinged slide block, combines together with whole friction pendulum isolation mounting, does not affect the mechanics of bearing
Performance, and alloy firm strain unit volume is less, does not affect the mechanical property of bearing.
Again, the alloy firm strain unit in the present invention has preferable fatigue behaviour, and alternate stress cycle-index is permissible
More than 50,000,000 times, can work in -40～150 degrees Celsius of stable at operating temperature over a long time.One kind of the present invention is rubbed
Wipe pendulum isolation mounting and its pressure monitoring structure, simple structure, low cost, be widely used.
Above disclosed be only present pre-ferred embodiments, certainly the right model of the present invention can not be limited with this
Enclose, therefore equivalent variations, still belong to the scope that the present invention is covered.
Claims (13)
1. a kind of pressure monitoring structure for friction pendulum isolation mounting is it is characterised in that include:
It is installed in the top support slide that friction pendulum isolation mounting has or bottom supports resistance alloys in slide, described alloy electricity
Resistance supports slide to be integrally connected by molecular link with described top support slide or described bottom, is formed and slides in order to sense described top support
Seat or described bottom support the alloy firm of the Wheatstone bridge of slide vertical pressure to strain unit, wherein:
Extraneous load action supports in described top support slide or described bottom and causes described alloy firm to strain unit on slide
Deformation, described alloy firm strain unit will produce in order to monitor the voltage signal of friction pendulum isolation mounting vertical pressure；
It is hinged on described support plate that described top support slide or described bottom support slide to include support plate and slidable connection
Slide block, described alloy firm strain unit is located between described support plate and described hinged slide block, and its side is coated with low friction
Material or low-friction coating, in order to support the sliding surface of slide to contact with described top support slide or described bottom；
Described alloy firm strain unit is inlaid on described hinged slide block, keeps concordant with the cambered surface of described hinged slide block.
2. it is used for as claimed in claim 1 the pressure monitoring structure of friction pendulum isolation mounting it is characterised in that described support plate
Sliding surface be curved surface, a side surface of described hinged slide block is set to cambered surface, and it has with the sliding surface of described support plate identical
Radius of curvature；
Described low-friction material or described low-friction coating include polytetrafluoroethylmaterial material.
3. a kind of pressure monitoring structure for friction pendulum isolation mounting is it is characterised in that include:
Rustless steel diaphragm, supports in slide and feels in order to be inlaid in the top support slide that described friction pendulum isolation mounting has or bottom
Extraneous load, described top support slide or described bottom is answered to support slide to include support plate and slidable connection on described support plate
Hinged slide block；
It is installed in the resistance alloys on described rustless steel diaphragm, described resistance alloys passes through molecular link with described rustless steel diaphragm even
Connect one, formed and support the alloy of the Wheatstone bridge of slide vertical pressure thin in order to sense described top support slide or described bottom
Membrane strain unit, wherein:
The side that described rustless steel diaphragm has resistance alloys is coated with low-friction material or low-friction coating, in order to described top
Slide or described bottom is supported to support the sliding surface contact of slide, described rustless steel diaphragm and described resistance alloys to be inlaid in described hinge
Connect on slide block, keep concordant with the cambered surface of described hinged slide block；
Extraneous load action supports in described top support slide or described bottom and causes described alloy firm to strain unit on slide
Deformation, described alloy firm strain unit will produce in order to monitor the voltage signal of friction pendulum isolation mounting vertical pressure.
4. it is used for as claimed in claim 3 the pressure monitoring structure of friction pendulum isolation mounting it is characterised in that described support plate
Sliding surface be curved surface, a side surface of described hinged slide block is set to cambered surface, and it has with the sliding surface of described support plate identical
Radius of curvature.
5. it is used for as claimed in claim 4 the pressure monitoring structure of friction pendulum isolation mounting it is characterised in that described low friction
Material or described low-friction coating include polytetrafluoroethylmaterial material.
6. a kind of friction pendulum isolation mounting, comprising: top support slide and the bottom being hinged on described top support slide support slide,
Described bottom supports the bottom hinge that slide has bottom support plate and slidably adaptation is connected on the support plate of described bottom to connect slide block, and it is special
Levy and be, described bottom hinge connects slide block and embeds rustless steel diaphragm towards the side of bottom support plate sliding surface, on described rustless steel diaphragm
Installing resistance alloys, described resistance alloys is integrally connected with described rustless steel diaphragm by molecular link, is formed described in order to sense
Top support slide or described bottom support the alloy firm of the Wheatstone bridge of slide vertical pressure to strain unit, wherein:
It is inlaid in the described rustless steel diaphragm that described bottom hinge connects on slide block and described resistance alloys and described bottom hinge connects the arc of slide block
Face keeps concordant, and described bottom hinge connects the slide block described rustless steel diaphragm of setting-in and the side of described resistance alloys is coated with low friction material
Material or low-friction coating, described low-friction material or low-friction coating are contacted with the described sliding surface of described bottom support plate；
Extraneous load action supports in described top support slide or described bottom and causes described alloy firm to strain unit on slide
Deformation, described alloy firm strain unit will produce in order to monitor the voltage signal of friction pendulum isolation mounting vertical pressure；
The described sliding surface of described bottom support plate is set to curved surface.
7. friction pendulum isolation mounting as claimed in claim 6 installs described rustless steel it is characterised in that described bottom hinge connects slide block
The side of diaphragm and described resistance alloys is set to cambered surface, and it has identical curvature half with the described sliding surface of described bottom support plate
Footpath.
8. friction pendulum isolation mounting as claimed in claim 6 is it is characterised in that described low-friction material or described low friction apply
Layer includes polytetrafluoroethylmaterial material.
9. friction pendulum isolation mounting as claimed in claim 6 it is characterised in that described top support slide include topmast seat board and
The crown hinge that slidably adaptation is connected on described topmast seat board connects slide block, and described topmast seat board has the slip being set to curved surface
Face, described crown hinge connects slide block and is set to arc towards described sliding surface one side surface of described topmast seat board, itself and described topmast seat
The described sliding surface of plate has identical radius of curvature, and contacts with the described sliding surface of described topmast seat board.
10. friction pendulum isolation mounting as claimed in claim 6 it is characterised in that described crown hinge connect slide block bottom be provided with recessed
Spherical surface, described bottom hinge connects the convex spherical surface that the top of slide block is provided with, described protrudent sphere surface and described concave sphere surface
Adaptation connects formation one rotation ball pivot, so that described topmast seat board connects slide block along the described cunning of described bottom support plate in described bottom hinge
Level is kept when slip in dynamic face.
11. friction pendulum isolation mountings as claimed in claim 10 it is characterised in that the described sliding surface of described topmast seat board with
Described crown hinge connects and is coated with low-friction material or low-friction coating between slide block.
12. friction pendulum isolation mountings according to claim 6 are it is characterised in that described topmast seat board and/or described bottom are propped up
The edge of seat board is provided with to limit that described crown hinge connects slide block and/or described bottom hinge connects the stopping means of slide block sliding scale.
13. friction pendulum isolation mountings according to claim 6 are it is characterised in that described crown hinge connects slide block or described bottom hinge
Connect slide block and be provided with the micropore with straining the high-temperature shielding superfine wire extraction that unit has for alloy firm.
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| CN201310330842.9A CN104343186B (en) | 2013-08-01 | 2013-08-01 | Friction pendulum vibration isolation device and pressure monitoring structure thereof |
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| CN201310330842.9A CN104343186B (en) | 2013-08-01 | 2013-08-01 | Friction pendulum vibration isolation device and pressure monitoring structure thereof |
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| CN104343186B true CN104343186B (en) | 2017-01-18 |
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| CN112681854B (en) * | 2020-12-10 | 2021-11-30 | 清华大学 | Double-friction pendulum three-dimensional vibration isolation support |
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