CN210657968U - Friction pendulum support with displacement measurement and monitoring functions - Google Patents
Friction pendulum support with displacement measurement and monitoring functions Download PDFInfo
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- CN210657968U CN210657968U CN201921110126.9U CN201921110126U CN210657968U CN 210657968 U CN210657968 U CN 210657968U CN 201921110126 U CN201921110126 U CN 201921110126U CN 210657968 U CN210657968 U CN 210657968U
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- 239000003086 colorant Substances 0.000 description 4
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- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a friction pendulum support with displacement measurement and monitoring function comprises upper supporting plate, spherical crown, optical emission collection part, lower support reflection part. The optical emission collecting component consists of a light emitter, a photoreceptor and a signal processing and conducting component, and the lower curved surface of the spherical crown is contacted with the upper curved surface of the lower supporting and reflecting component to form a friction pair. The optical emission collecting component is collected by the photoreceptor and converted into an electric signal by the signal processing conducting component to be output. The lower supporting reflection component consists of a lower support plate and a reflection layer, wherein the reflection layer is divided into a normal reflection area and an early warning reflection area. When the spherical crown of the support slides to reach the early warning reflection area or is separated from the lower support, the optical emission acquisition component acquires and sends out an alarm electric signal. The utility model discloses a but the horizontal displacement of real-time measurement support is put to friction with displacement measurement and monitoring function to utensil monitoring support inefficacy's early warning function.
Description
Technical Field
The utility model relates to a building support field especially relates to a friction pendulum support with displacement measurement and monitor function.
Background
The friction pendulum support is a friction sliding shock isolation device, is arranged between an upper structure and a structure foundation, can reduce the horizontal vibration transmitted to the structure by earthquake load, and reduces the damage of the earthquake to the structure.
The invention patent with application number of 201610565650.X discloses a friction pendulum vibration isolation support, an intelligent support and a support monitoring system, wherein the friction pendulum vibration isolation support comprises a top support plate, a bottom support plate, a top hinge part, a bottom hinge part and a base plate, the base plate is stacked with the top support plate or the bottom support plate, a pressure sensing unit is arranged between the top support plate and the base plate or between the bottom support plate and the base plate, the stress condition of the support can be monitored in real time, the pressure sensing unit is convenient to replace without influencing the overall mechanical property of the support, and the health state of the support can be monitored and reflected in real time.
The invention patent with application number 201710447986.0 discloses a bridge health monitoring support, which comprises an upper support plate, a middle lining plate and a lower support plate, wherein two oil passages communicated with an oil cavity are arranged on the side surface of the lower support plate, a pressure sensor is arranged on any one oil passage, a travel switch is arranged on the lower support plate or the middle lining plate, and early warning can be given out when the pressure sensor records an overlarge numerical value or triggers the travel switch.
The invention patent with application number 201610846253.X discloses an intelligent bridge support, which comprises a support body, a pressure sensor, a side support, a displacement sensor and a wireless signal emitter, wherein the displacement sensor is arranged on the side surface of the support, the pressure sensor is arranged in a concave position at the bottom of the support, the acquired data is transmitted through the wireless signal emitter connected through a lead, and the pressure and displacement conditions of the support can be monitored in real time.
The slippage of the friction pendulum support caused by different vibration intensities can be different, if a large earthquake or vibration occurs, the speed and the slippage can be increased, and the structure can be collapsed when the slippage is too large and even exceeds the boundary of the support. Therefore, a friction pendulum support with displacement measurement and monitoring functions is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a friction pendulum support with displacement measurement and monitoring function to the volume of sliding between the unable upper bracket board of monitoring of friction pendulum support among the solution prior art and the bottom suspension bedplate can lead to the problem that the building collapsed when the volume of sliding is too big.
Do the utility model discloses a technical scheme of friction pendulum support with displacement measurement and monitor function does:
a friction pendulum support with displacement measurement and monitoring functions comprises an upper support plate, a spherical crown, an optical emission acquisition component and a lower support reflection component; the spherical cap comprises a support body and a wear-resistant layer arranged on the lower side of the support body; the spherical crown is arranged between the upper supporting plate and the lower supporting reflection part, the lower curved surface of the spherical crown is in contact with the upper curved surface of the lower supporting reflection part to form a friction pair, the side surface of the spherical crown is fastened with the optical emission collection part, the optical emission collection part comprises a shell, a light emitter, a photoreceptor and a signal processing conduction part, an imaging hole is formed in the bottom of the shell, the photoreceptor is used for receiving an image reflected by light of the light emitter at the imaging hole, the signal processing conduction part is in signal connection with the photoreceptor, the signal processing conduction part is used for collecting the image of the photoreceptor according to a set time interval and comparing the image in the set time interval to determine the slippage of the upper supporting plate in the horizontal direction, the lower supporting reflection part comprises a supporting plate and a reflection layer arranged on the top of the supporting plate, and the reflection layer is divided into a normal reflection area, The early warning reflecting area, the reflecting layer include the normal reflecting area of inboard and the early warning reflecting area in the outside, have arranged the early warning sign on the early warning reflecting area.
Further, the reflective layer of the lower supporting reflective member is a diffuse reflective layer.
Further, warning colors are arranged on the warning reflection area, and the warning marks are formed by the warning colors.
Further, the optical emission collection components are at least two and are uniformly distributed around the swing axis of the upper supporting plate.
Furthermore, the bottom of the optical emission collection component is close to the lower supporting reflection component, and the optical emission collection component and the lower supporting reflection component can relatively slide and move.
Furthermore, all be equipped with the screw on upper bracket board and the bedplate.
The utility model has the advantages of as follows:
the utility model discloses a friction pendulum support with displacement measurement and monitor function, illuminator light generation on the optical emission collection part passes the formation of image hole after reflecting through the reflection stratum and gets into the photoreceptor, the photoreceptor gathers the image of light in order to form the reflection stratum, the image that the signal processing conducting part formed with the setting time interval collection photoreceptor, the amount of sliding of upper support plate on the horizontal direction can be confirmed through the difference of the image in the comparative interval time, the horizontal displacement condition of friction pendulum support can real-time supervision, thereby judge the health condition of friction pendulum support, it is less to the mechanical properties influence of friction pendulum support. Compared with the prior art, the horizontal displacement condition of the friction pendulum support can be monitored in real time, and when the spherical crown of the support slides to reach an early warning reflection area or is separated from the lower supporting reflection component, the optical emission acquisition component acquires and sends out an alarm electric signal.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the friction pendulum support with displacement measurement and monitoring functions according to the present invention;
FIG. 2 is a top view of the spherical cap and lower support reflector of the friction pendulum support of FIG. 1 with displacement measurement and monitoring;
FIG. 3 is a schematic diagram of the spherical cap and optical emission collection component of the friction pendulum support with displacement measurement and monitoring functions of FIG. 1;
FIG. 4 is a schematic diagram of the lower support reflector of the friction pendulum support of FIG. 1 with displacement measurement and monitoring;
fig. 5 is a schematic structural diagram of the optical emission collector of the friction pendulum support with displacement measurement and monitoring functions in fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In embodiment 1 of the friction pendulum support with displacement measurement and monitoring functions of the present invention, as shown in fig. 1 to 5, the friction pendulum support with displacement measurement and monitoring functions includes an upper support plate 100, a spherical cap 200, a lower support reflection component 300, and an optical emission collection component 400; the spherical cap 200 is disposed between the upper support plate 100 and the lower support reflection member 300.
As shown in fig. 2, in the friction pendulum support 10 with displacement measurement and monitoring functions, 4 optical emission collection components 400 are respectively fastened to four directions of the side surface of the spherical cap 200, the 4 optical emission collection components 400 are uniformly arranged around the center line of the spherical cap 200, and the 4 optical emission collection components 400 are used for monitoring the slippage of the spherical cap 200 in different directions of the horizontal plane.
As shown in fig. 3, the spherical cap 200 includes a support 201 and a wear-resistant layer 202 disposed at the bottom of the support 201, in this embodiment, the wear-resistant layer 202 is a ceramic layer, and in other embodiments, the wear-resistant layer 202 may also be a silicon carbide coating or a polyurethane layer.
The wear resistant layer 202 in the spherical cap 200 forms a friction pair with the upper surface of the lower supporting reflective member 300.
As shown in fig. 4, the lower supporting reflection member 300 is composed of a lower supporting plate 301, a normal reflection region 302, and an early warning reflection region 303, and the normal reflection region 302 and the early warning reflection region 303 form a reflection layer on the top of the lower supporting plate 301. The upper supporting plate 100 and the support plate 301 are provided with screw holes for connecting with an external structure.
As shown in fig. 5, the optical emission collection member 400 is composed of a housing 401, a support plate 402, a lens assembly 403, a photoreceptor 404, a mirror surface 405, a light emitter 406, and a signal processing conducting member 407. The bottom of the shell 401 is provided with an imaging hole, and the signal processing conducting component 407 is connected with a signal output and power supply conducting wire and is connected with an external signal acquisition and amplification device.
The friction pendulum support 10 with displacement measurement and monitoring functions can be used between the upper structure and the foundation of engineering or equipment, and the spherical cap 200 is embedded in the containing cavity of the upper supporting plate 100 and forms a friction pair with the upper surface of the lower supporting reflection part 300. When the horizontal vibration load of the structure exceeds the static friction force of the friction pair, the spherical cap 200 and the lower support reflection component 300 in the friction pendulum support 10 with displacement measurement and monitoring functions slide relatively. At this point, the illuminator 406 emits the desired type of light, which is refracted by the mirror 405, passes through the imaging aperture and falls on the reflective layer of the friction pendulum support reflector, illuminating the light through the lens assembly 403 of the detection window and into the photoreceptor 404. The photoreceptor 404 is responsible for collecting, receiving and synchronously imaging the light transmitted by the lens assembly 403, and then the photoreceptor 404 will send the image generated frame by frame to the digital signal processor inside for operation and comparison, and analyze and process a series of images captured on the moving track. The digital signal processor generates a measurement image according to the collected light, and the acquisition time interval of the digital signal processor can be adjusted by setting a system clock of the digital signal processor. The signal processing and conducting component analyzes the change of the positions of the characteristic points on the images to judge the moving direction and the moving distance of the friction pendulum. The output of the signal processing conducting part can output the measurement data to an external electronic device through the electric lead.
During specific implementation, the inner area of the reflecting layer of the lower supporting reflecting component is a normal reflecting area 302, the outer area of the reflecting layer is an early warning reflecting area 303, warning colors are arranged on the early warning reflecting area, and the warning colors form early warning marks. When the spherical crown of the support slides to reach the early warning reflection area 303 or is separated from the lower supporting reflection part 300, the optical emission collection part 400 collects and sends out an alarm electric signal.
In specific implementation, 4 optical emission collection components 400 are respectively fastened to four directions of the side surface of the spherical cap 200 for data collection and correction, and the bottom of the optical emission collection component 400 should be made of wear-resistant material and should be tightly attached to the upper surface of the lower supporting reflection component 300.
The friction pendulum support 10 with the displacement measurement and monitoring functions has the advantages that the horizontal motion of the spherical crown 200 can be measured in real time, and when the spherical crown 200 of the friction pendulum support slides to reach the early warning reflection area 303 or is separated from the lower supporting reflection component 300, the optical emission collection component 400 collects and sends out an alarm electric signal. The utility model discloses a but the horizontal displacement of real-time measurement support is put to friction with monitor function to utensil monitor support alarming function that became invalid, the cost is low, advantages such as simple installation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (6)
1. A friction pendulum support with displacement measurement and monitoring functions comprises an upper support plate, a spherical crown, an optical emission acquisition component and a lower support reflection component; the spherical cap comprises a support body and a wear-resistant layer arranged on the lower side of the support body; the spherical cap is arranged between the upper supporting plate and the lower supporting reflection part, the lower curved surface of the spherical cap is contacted with the upper curved surface of the lower supporting reflection part to form a friction pair, the spherical cap is characterized in that the side surface of the spherical cap is fastened with the optical emission collection part, the optical emission collection part comprises a shell, a light emitter, a photoreceptor and a signal processing conduction part, an imaging hole is formed in the bottom of the shell, the photoreceptor is used for receiving an image reflected by light of the light emitter at the imaging hole, the signal processing conduction part is in signal connection with the photoreceptor, the signal processing conduction part is used for collecting the image of the photoreceptor according to a set time interval and comparing the image in the set time interval to determine the slippage of the upper supporting plate in the horizontal direction, and the lower supporting reflection part comprises a supporting plate and a reflection layer arranged on the top of the supporting plate, the reflecting layer is divided into a normal reflecting area and an early warning reflecting area, the reflecting layer comprises an inner normal reflecting area and an outer early warning reflecting area, and early warning marks are arranged on the early warning reflecting area.
2. The friction pendulum support with displacement measuring and monitoring functions of claim 1, wherein: the reflective layer of the lower supporting reflective member is a diffuse reflective layer.
3. The friction pendulum support with displacement measurement and monitoring function of claim 1, wherein an alarm color is disposed on the early warning reflection area, and the early warning mark is formed by the alarm color.
4. The frication pendulum support with displacement measurement and monitoring function of any one of claims 1-3, wherein the optical emission collection component has at least two and is evenly distributed around the swing axis of the upper support plate.
5. A friction pendulum support with displacement measuring and monitoring functions according to any of claims 1 to 3, wherein: the bottom of the optical emission collection component is close to the lower supporting reflection component, and the optical emission collection component and the lower supporting reflection component can relatively slide and move.
6. The friction pendulum support with displacement measuring and monitoring functions of claim 1, wherein: and the upper supporting plate and the supporting plate are respectively provided with a screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110126.9U CN210657968U (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 |
|---|---|---|---|
| CN201921110126.9U CN210657968U (en) | 2019-07-15 | 2019-07-15 | Friction pendulum support with displacement measurement and monitoring functions |
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| CN210657968U true CN210657968U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921110126.9U Withdrawn - After Issue CN210657968U (en) | 2019-07-15 | 2019-07-15 | Friction pendulum support with displacement measurement and monitoring functions |
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| CN (1) | CN210657968U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438891A (en) * | 2019-07-15 | 2019-11-12 | 广州大学 | Friction pendulum support with displacement measurement and monitoring function |
| 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 |
-
2019
- 2019-07-15 CN CN201921110126.9U patent/CN210657968U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438891A (en) * | 2019-07-15 | 2019-11-12 | 广州大学 | Friction pendulum support with displacement measurement and monitoring function |
| CN110438891B (en) * | 2019-07-15 | 2024-04-02 | 广州大学 | Friction pendulum support with displacement measurement and monitoring functions |
| 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 |
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