CN110438891A - Friction pendulum support with displacement measurement and monitoring function - Google Patents
Friction pendulum support with displacement measurement and monitoring function Download PDFInfo
- Publication number
- CN110438891A CN110438891A CN201910639892.2A CN201910639892A CN110438891A CN 110438891 A CN110438891 A CN 110438891A CN 201910639892 A CN201910639892 A CN 201910639892A CN 110438891 A CN110438891 A CN 110438891A
- Authority
- CN
- China
- Prior art keywords
- support
- lower support
- monitoring function
- displacement measurement
- optical emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 238000005259 measurement Methods 0.000 title claims abstract description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 108091008695 photoreceptors Proteins 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000003384 imaging method Methods 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003862 health status Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 poly- ammonia Ester Chemical class 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of friction pendulum support with displacement measurement and monitoring function, is made of upper bearing plate, spherical crown, optical emitting acquisition component, lower support reflection component.Optical emitting acquisition component is made of photophore, photoreceptor, signal processing conducting parts, and the lower surface camber of spherical crown contacts to form friction pair with lower support reflection component top-surface camber.Optical emitting acquisition component is acquired by photoreceptor, and is converted into electric signal output by signal processing conducting parts.Lower support reflection component is made of lower support plate, reflecting layer, and wherein reflecting layer is divided into regular reflection area, early warning echo area.When the sliding of the spherical crown of support reaches early warning echo area or is detached from lower support, optical emitting acquisition component acquires and issues alarm electric signal.The friction pendulum support with displacement measurement and monitoring function of the invention can real-time measurement support horizontal displacement, and have the warning function of monitoring support failure.
Description
Technical field
The present invention relates to building support fields, more particularly to a kind of friction pendulum branch with displacement measurement and monitoring function
Seat.
Background technique
Friction pendulum support is a kind of sliding base-isolation device, it is mounted between superstructure and structure basis, can be with
The horizontal vibration for being transmitted to structure by earthquake load is reduced, reduces earthquake to structural damage.
Application No. is the patent of invention of 201610565650.X disclose a kind of friction-pendulum shock-insulation support, intelligent support and
Support monitors system, which includes topmast seat board, bottom support plate, crown hinge socket part, bottom hinge socket part and backing plate,
Backing plate is stacked with topmast seat board or bottom support plate, is equipped between topmast seat board and backing plate or between bottom support plate and backing plate
Pressure sensitive unit can in real time be monitored the force-bearing situation of support, convenient for pressure sensitive unit replacement and do not influence
The mechanical property of support entirety is capable of the health status of real-time monitoring and reflection support.
Application No. is 201710447986.0 patents of invention to disclose a kind of bridge health monitoring support, including upper bracket
Plate, intermediate liner plate and lower support plate, there are two the oil circuit being connected with oil pocket, any one oil circuits for the side setting of lower support plate
On be provided with pressure sensor, travel switch is provided on lower support plate or intermediate liner plate, when pressure sensor records numerical value mistake
It will appear early warning warning when big or triggering travel switch.
A kind of smart bridge support is disclosed application No. is the patent of invention of 201610846253.X, including support body,
Pressure sensor, side supports, displacement sensor and wireless signal transmitter are provided with displacement sensor, In in support side
Rest base recess is provided with pressure sensor, and collected data are emitted by using the wireless signal that conducting wire is connected
Device is transmitted, can pressure to support, misalignment carry out real-time monitoring.
The slippage of friction pendulum support caused by different oscillation intensities will be different, in case of larger earthquake or vibration
When dynamic, speed and slippage can also increase therewith, will cause structural collapse when the excessive even more than support boundary of slippage.By
This explanation, it is necessary to design a kind of friction pendulum support with displacement measurement and monitoring function.
Summary of the invention
The object of the present invention is to provide a kind of friction pendulum support with displacement measurement and monitoring function, to solve existing skill
Friction pendulum support in art is unable to monitor the slippage between upper bracket plate and lower support plate, will lead to building when slippage is excessive
The problem of collapsing.
For the technical solution of the friction pendulum support with displacement measurement and monitoring function of the invention are as follows:
A kind of friction pendulum support with displacement measurement and monitoring function, including the acquisition of upper bearing plate, spherical crown, optical emitting
Component, lower support reflection component；The spherical crown includes supporting mass and the wearing layer that is arranged on the downside of supporting mass；The spherical crown setting
Between the upper bearing plate and lower support reflection component, the lower surface camber of the spherical crown and the lower support reflection component top-surface camber
Contact forms friction pair, optical emitting acquisition component described in the spherical crown side fastening, and the optical emitting acquisition component includes
Shell, photophore, photoreceptor, signal processing conducting parts, the bottom of shell offer imaging hole, and the photoreceptor is for receiving
The image that the light of photophore is reflected back at imaging hole, the signal processing conducting parts are connect with the photoreceptor signal,
Signal processing conducting parts are used for according to the image of setting time interval acquisition photoreceptor and to the image in setting time interval
It is compared to determine the slippage of upper bearing plate in the horizontal direction, the lower support reflection component includes support plate and arrangement
Reflecting layer at the top of support plate, wherein reflecting layer is divided into regular reflection area, early warning echo area, and reflecting layer includes the normal of inside
The early warning echo area of echo area and outside is disposed with early warning mark on early warning echo area.
Further, the reflecting layer of the lower support reflection component is diffusing reflection layer.
Further, warning color is disposed on the early warning echo area, the early warning mark is formed by warning color.
Further, the optical emitting acquisition component at least there are two and it is uniform around the axis of oscillation of the upper bearing plate
Distribution.
Further, the bottom of the optical emitting acquisition component is adopted close to the lower support reflection component, optical emitting
Collect component and lower support reflection component can Relative sliding movement.
Further, screw hole is equipped on the upper bearing plate and support plate.
The present invention has the advantage that
A kind of friction pendulum support with displacement measurement and monitoring function of the invention, the hair in optical emitting acquisition component
Light device occurs light and enters photoreceptor across imaging hole after reflecting layer is reflected, and photoreceptor acquires light to form the figure in reflecting layer
Picture, the image that signal processing conducting parts are formed with setting time interval acquisition photoreceptor, by comparing the figure in interval time
The difference of picture can determine the slippage of upper bearing plate in the horizontal direction, and the horizontal displacement of friction pendulum support can be monitored in real time
Situation, thus judge the health status of friction pendulum support, it is smaller to the Effect on Mechanical Properties of friction pendulum support.With existing technology
Compare, the horizontal displacement situation of friction pendulum support can be monitored in real time, when support spherical crown sliding reach early warning echo area or
When being detached from lower support reflection component, optical emitting acquisition component acquires and issues alarm electric signal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of the friction pendulum support with displacement measurement and monitoring function of the invention；
Fig. 2 is the spherical crown and lower support reflection component of the friction pendulum support with displacement measurement and monitoring function of Fig. 1
Top view；
Fig. 3 is the spherical crown and optical emitting acquisition component of the friction pendulum support with displacement measurement and monitoring function of Fig. 1
Schematic diagram；
Fig. 4 is that the structure of the lower support reflection component of the friction pendulum support with displacement measurement and monitoring function of Fig. 1 is shown
It is intended to；
Fig. 5 is that the structure of the optical emitting collector of the friction pendulum support with displacement measurement and monitoring function of Fig. 1 is shown
It is intended to.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
The embodiment 1 of friction pendulum support with displacement measurement and monitoring function of the invention as shown in Figures 1 to 5 should
Friction pendulum support with displacement measurement and monitoring function include upper bearing plate 100, spherical crown 200, lower support reflection component 300 and
Optical emitting acquisition component 400；Spherical crown 200 is set between upper bearing plate 100 and lower support reflection component 300.
As shown in Fig. 2, this has in the friction pendulum support 10 of displacement measurement and monitoring function, the side of spherical crown 200 four
It is equal around the center line of spherical crown 200 that direction fastens 4 optical emitting acquisition components, 400,4 optical emitting acquisition components 400 respectively
Even arrangement, 4 optical emitting acquisition components 400 are for monitoring slippage of the spherical crown 200 on the different directions of horizontal plane.
As shown in figure 3, spherical crown 200 includes the wearing layer 202 of supporting mass 201 with the bottom that supporting mass 201 is arranged in, at this
In embodiment, wearing layer 202 is ceramic layer, in other embodiments, wearing layer 202 or coat of silicon carbide or poly- ammonia
Ester layer.
It is secondary that wearing layer 202 and 300 upper surface of lower support reflection component in spherical crown 200 constitute friction.
As shown in figure 4, lower support reflection component 300 is by lower support plate 301, regular reflection area 302, early warning echo area 303
Composition, regular reflection area 302 and early warning echo area 303 form the reflecting layer at 301 top of lower support plate.Upper bearing plate 100 and branch
Screw hole is equipped on seat board 301, screw hole with external structure for being connected.
As shown in figure 5, optical emitting acquisition component 400 is by shell 401, support plate 402, lens subassembly 403, photoreceptor
404, mirror surface 405, photophore 406, signal processing conducting parts 407 form.The bottom of shell 401 offers imaging hole,
The conducting wire of the output of 407 connection signal of signal processing conducting parts and power supply is connect with outside acquisition amplified signal device.
This have friction pendulum support 10 of displacement measurement and monitoring function can be used for the superstructure of engineering or equipment with
Between basis, 200 build-in of spherical crown is constituted with the upper surface of lower support reflection component 300 and is rubbed in the cavity of upper bearing plate 100
It wipes secondary.When the horizontal vibrating load that structure is subjected to is more than the secondary stiction of friction, this has displacement measurement and monitoring function
Relative sliding occurs for spherical crown 200 and lower support reflection component 300 in the friction pendulum support 10 of energy.At this point, photophore 406 issues
The light source of type is needed, light passes through the refraction of mirror surface 405, and light falls in the reflection of friction pendulum lower support after passing through imaging hole
Reflecting layer on, irradiation light after testing window lens subassembly 403 enter photoreceptor 404.The responsible acquisition of photoreceptor 404,
It receives the light passed over by lens subassembly 403 and the image generated frame by frame is transferred in synchronous imaging, the then meeting of photoreceptor 404
Its internal digital signal processor carries out operation and compares, by analyzing a series of images absorbed on motion track
Processing.Digital signal processor generates measurement image according to the light of collection, and digital signal processor acquisition time interval can lead to
The system clock for crossing setting digital signal processor is adjusted.Signal processing conducting parts pass through to characteristic point on these images
The variation of position is analyzed, to judge the moving direction and moving distance of friction pendulum.The output end of signal processing conducting parts
Measurement data can be exported by electric lead to external electronic device.
When it is implemented, the interior zone in the reflecting layer of lower support reflection component is regular reflection area 302, perimeter is
Early warning echo area 303, warning color is disposed on early warning echo area, and warning color forms early warning mark.When the spherical crown sliding of support reaches
When to early warning echo area 303 or being detached from lower support reflection component 300, optical emitting acquisition component 400 acquires and issues alarm
Electric signal.
When it is implemented, the side four direction of spherical crown 200 fastens 4 optical emitting acquisition components 400 respectively, for adopting
Collection data and correction, 400 bottom of optical emitting acquisition component should be wear-resistant material and should be close to table on lower support reflection component 300
Face.
This has the advantages that the friction pendulum support 10 of displacement measurement and monitoring function is to be capable of the water of real-time measurement spherical crown 200
Flat movement, when the sliding of the spherical crown 200 of friction pendulum support reaches early warning echo area 303 or is detached from lower support reflection component 300,
Optical emitting acquisition component 400 acquires and issues alarm electric signal.Friction with displacement measurement and monitoring function of the invention
Put support can real-time measurement support horizontal displacement, and have the warning function of monitoring support failure, low cost, simple installation etc. is excellent
Point.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of friction pendulum support with displacement measurement and monitoring function, including upper bearing plate, spherical crown, optical emitting acquisition portion
Part, lower support reflection component；The spherical crown includes supporting mass and the wearing layer that is arranged on the downside of supporting mass；The spherical crown is set to
Between the upper bearing plate and lower support reflection component, the lower surface camber of the spherical crown connects with the lower support reflection component top-surface camber
It is secondary that touching forms friction, which is characterized in that optical emitting acquisition component described in the spherical crown side fastening, the optical emitting acquisition
Component includes shell, photophore, photoreceptor, signal processing conducting parts, and the bottom of shell offers imaging hole, the photoreceptor
The image that light for receiving photophore is reflected back at imaging hole, the signal processing conducting parts and the photoreceptor are believed
Number connection, signal processing conducting parts be used for according to setting time interval acquisition photoreceptor image and to setting time interval
Interior image is compared to determine the slippage of upper bearing plate in the horizontal direction, and the lower support reflection component includes support
Plate and the reflecting layer being arranged at the top of support plate, wherein reflecting layer is divided into regular reflection area, early warning echo area, and reflecting layer includes interior
The regular reflection area of side and the early warning echo area in outside are disposed with early warning mark on early warning echo area.
2. the friction pendulum support described in accordance with the claim 1 with displacement measurement and monitoring function, it is characterised in that: under described
The reflecting layer for supporting reflection component is diffusing reflection layer.
3. the friction pendulum support according to claim 1 with displacement measurement and monitoring function, which is characterized in that described pre-
Warning color is disposed on alert echo area, the early warning mark is formed by warning color.
4. the friction pendulum support according to claim 1-3 with displacement measurement and monitoring function, feature exist
In, the optical emitting acquisition component at least there are two and be uniformly distributed around the axis of oscillation of the upper bearing plate.
5. according to the described in any item friction pendulum supports with displacement measurement and monitoring function of claim 1-3, feature exists
In: the bottom of the optical emitting acquisition component close to the lower support reflection component, optical emitting acquisition component and lower support
Reflection component can Relative sliding movement.
6. the friction pendulum support described in accordance with the claim 1 with displacement measurement and monitoring function, it is characterised in that: on described
Screw hole is equipped on support plate and support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639892.2A CN110438891B (en) | 2019-07-15 | 2019-07-15 | Friction pendulum support with displacement measurement and monitoring functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639892.2A CN110438891B (en) | 2019-07-15 | 2019-07-15 | Friction pendulum support with displacement measurement and monitoring functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110438891A true CN110438891A (en) | 2019-11-12 |
| CN110438891B CN110438891B (en) | 2024-04-02 |
Family
ID=68430452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910639892.2A Active CN110438891B (en) | 2019-07-15 | 2019-07-15 | Friction pendulum support with displacement measurement and monitoring functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110438891B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103546A1 (en) * | 2019-11-29 | 2021-06-03 | 南京毛勒工程材料有限公司 | Vertical rotation angle measuring device for spherical support |
| WO2021103544A1 (en) * | 2019-11-29 | 2021-06-03 | 南京毛勒工程材料有限公司 | Device for measuring displacement of spherical bearing in x-x direction |
| WO2021103545A1 (en) * | 2019-11-29 | 2021-06-03 | 南京毛勒工程材料有限公司 | Device for measuring displacement in y-y direction of spherical bearing |
| CN114892822A (en) * | 2022-06-27 | 2022-08-12 | 福州市规划设计研究院集团有限公司 | Friction pendulum support capable of automatically measuring displacement deflection, mounting method and judging and resetting method |
| CN116007482A (en) * | 2023-03-28 | 2023-04-25 | 中国建筑一局(集团)有限公司 | Building shockproof monitoring method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103546A1 (en) * | 2019-11-29 | 2021-06-03 | 南京毛勒工程材料有限公司 | Vertical rotation angle measuring device for spherical support |
| WO2021103544A1 (en) * | 2019-11-29 | 2021-06-03 | 南京毛勒工程材料有限公司 | Device for measuring displacement of spherical bearing in x-x direction |
| WO2021103545A1 (en) * | 2019-11-29 | 2021-06-03 | 南京毛勒工程材料有限公司 | Device for measuring displacement in y-y direction of spherical bearing |
| CN114892822A (en) * | 2022-06-27 | 2022-08-12 | 福州市规划设计研究院集团有限公司 | Friction pendulum support capable of automatically measuring displacement deflection, mounting method and judging and resetting method |
| CN114892822B (en) * | 2022-06-27 | 2023-05-12 | 福州市规划设计研究院集团有限公司 | Friction pendulum support capable of self-displacing and displacing, installation method and judgment resetting method |
| CN116007482A (en) * | 2023-03-28 | 2023-04-25 | 中国建筑一局(集团)有限公司 | Building shockproof monitoring method |
| CN116007482B (en) * | 2023-03-28 | 2023-08-29 | 中国建筑一局(集团)有限公司 | Building shockproof monitoring method |
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