CN114941675A - On-line monitoring viscous damping shock absorber - Google Patents
On-line monitoring viscous damping shock absorber Download PDFInfo
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- CN114941675A CN114941675A CN202210631713.2A CN202210631713A CN114941675A CN 114941675 A CN114941675 A CN 114941675A CN 202210631713 A CN202210631713 A CN 202210631713A CN 114941675 A CN114941675 A CN 114941675A
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- cylinder body
- shock absorber
- damper
- pressure sensor
- data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3264—Arrangements for indicating, e.g. fluid level; Arrangements for checking dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3292—Sensor arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses an on-line monitoring viscous damping shock absorber which comprises a cylinder body, a piston rod, a left connecting ear ring and a right connecting ear ring, wherein the left connecting ear ring is connected with the piston rod; a piston rod is arranged in the cylinder body, and two ends of the cylinder body are respectively connected with the left connecting earring and the right connecting earring; a first pressure sensor is arranged between the left connecting ear ring and the piston rod, and a first pressure sensor is arranged between the cylinder body and the right connecting ear ring; the first pressure sensor and the second pressure sensor are connected with a data acquisition unit through data lines, and the data acquisition unit is connected with a monitoring system through signals. The online monitoring viscous damping shock absorber provided by the invention can acquire the performance state of the damper in real time through the acquisition, analysis and processing of monitoring data, such as the residual sealing life of the damper predicted by pressure judgment and statistical accumulated displacement, the performance evolution rule of the damper and the like, so that the health management of the whole life cycle of the damper is realized, the timely follow-up maintenance of the damper by engineering personnel is greatly facilitated, and the damper is ensured to be always in a good working state.
Description
Technical Field
The invention relates to the technical field of building shock absorption, in particular to an on-line monitoring viscous damping shock absorber.
Background
Along with the continuous emergence of various ultra-high and ultra-large complex buildings and large bridges, the accompanying vibration problem during the use of the buildings and the bridges is increasingly prominent. In order to protect the high-rise building and the bridge from being damaged by earthquake and strong wind, viscous damping shock absorbers are arranged between the upright post and the cross beam of the high-rise building and between the bridge span and the bridge pier of the bridge to solve the problem. The viscous damper can provide additional damping for buildings and bridge structures, dissipate vibration energy of the structures quickly and efficiently, reduce seismic reaction of the structures, and effectively solve the engineering anti-seismic problems of large destructiveness and small occurrence probability.
Viscous dampers are generally in severe and concealed engineering environments, the performance state is not clear in the service period, manual regular inspection is needed, many problems caused by the limitation of a manual inspection method cannot be found and processed in time, failed dampers cannot be maintained in the first time, and whether the dampers can play roles or not in the coming earthquake cannot be predicted.
Disclosure of Invention
The invention aims to provide a monitoring system for monitoring a viscous damping shock absorber on line, which can master the working performance of the shock absorber in real time and ensure the reliable operation of the shock absorber in a service period.
In order to achieve the purpose, the invention adopts the following technical scheme:
an on-line monitoring viscous damping shock absorber comprises a cylinder body, a piston rod, a left connecting earring and a right connecting earring; a piston rod is arranged in the cylinder body, and two ends of the cylinder body are respectively connected with the left connecting earring and the right connecting earring; a first pressure sensor is arranged between the left connecting ear ring and the piston rod, and a first pressure sensor is arranged between the cylinder body and the right connecting ear ring; the first pressure sensor and the second pressure sensor are connected with a data acquisition unit through data lines, and the data acquisition unit is connected with a monitoring system through signals.
Preferably, a displacement sensor is arranged on the cylinder body and connected with a data acquisition unit through a data line, and the data acquisition unit is connected with a monitoring system through a signal.
Preferably, a temperature sensor is arranged on the cylinder body, the temperature sensor is connected with a data acquisition unit through a data line, and the data acquisition unit is connected with a monitoring system through a signal.
Preferably, the monitoring system comprises an information processor, and the information processor is connected with the management terminal through a server.
Preferably, the data of the information processor is connected with the management terminal through INTERNET.
The online monitoring viscous damping shock absorber provided by the invention can acquire the performance state of the shock absorber in real time through the acquisition, analysis and processing of monitoring data, such as the residual sealing life of the shock absorber predicted by pressure judgment and statistical accumulated displacement, the performance evolution rule of the shock absorber and the like, so that the health management of the whole life cycle of the shock absorber is realized, the timely follow-up maintenance of the shock absorber by engineering personnel is greatly facilitated, and the good working state of the shock absorber is ensured all the time.
Drawings
Fig. 1 is a schematic structural diagram of an on-line monitoring viscous damping shock absorber according to the present invention.
Reference numbers in the figures:
1. a cylinder body; 2. a piston rod; 3. a left connecting earring; 4. a right connecting ear ring; 51. a first pressure sensor; 52. a second pressure sensor; 6. a displacement sensor; 7. a temperature sensor; 8. a data line; 9. a data acquisition unit; 10. an information processor; 11. INTERNET; 12. and managing the terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1, the on-line monitoring viscous damping shock absorber provided by the invention comprises a cylinder body 1, a piston rod 2, a left connecting ear ring 3 and a right connecting ear ring 4; a piston rod 2 is arranged in the cylinder body 1, and two ends of the cylinder body 1 are respectively connected with a left connecting earring 3 and a right connecting earring 4; a first pressure sensor 51 is arranged between the left connecting earring 3 and the piston rod 2, a first pressure sensor 5.2 is arranged between the cylinder body 1 and the right connecting earring 4, the damping force parameters monitored by the damping force monitoring device are indirectly measured by the pressure sensors, and the real-time damping force can be calculated according to the pressure difference at the two ends of the cylinder barrel. The top of the cylinder body 1 is provided with a displacement sensor 6 and a temperature sensor 7; the pressure sensor I51, the pressure sensor II 52, the displacement sensor 6 and the temperature sensor 7 are respectively connected with a data acquisition unit 9 through data lines 8, and the data acquisition unit 9 is connected with a monitoring system.
The monitoring system provided by the invention adopts the information processor 10, and the data of the information processor 10 is connected with the management terminal 12 through the INTERNET 11. The monitoring system not only can remotely acquire the real-time response (displacement and damping force) of the damper, but also has the capability of further analyzing the performance state of the monitoring system and self-diagnosing the monitoring system. The residual sealing life of the damper can be predicted by continuously recording the accumulated displacement of the damper; the theoretical damping force is calculated by the speed data subjected to differential processing of the displacement data, the theoretical damping force is compared with the actually measured damping force, and the deviation trend is recorded, so that engineering personnel can know the performance evolution rule in the actual application process of the damper conveniently. Meanwhile, the management terminal 12 can record and retain data in real time for management.
Furthermore, the displacement sensor 6 adopted by the invention is a high-precision magnetostrictive sensor for direct measurement, and further processes and analyzes displacement data, and the running speed of the damper can be obtained.
The online monitoring viscous damping shock absorber provided by the invention can acquire the performance state of the damper in real time through the acquisition, analysis and processing of monitoring data, such as the residual sealing life of the damper predicted by pressure judgment and statistical accumulated displacement, the performance evolution rule of the damper and the like, so that the health management of the whole life cycle of the damper is realized, the timely follow-up maintenance of the damper by engineering personnel is greatly facilitated, and the damper is ensured to be always in a good working state.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. An on-line monitoring viscous damping shock absorber comprises a cylinder body (1), a piston rod (2), a left connecting ear ring (3) and a right connecting ear ring (4); a piston rod (2) is arranged in the cylinder body (1), and two ends of the cylinder body (1) are respectively connected with a left connecting earring (3) and a right connecting earring (4); the hydraulic cylinder is characterized in that a first pressure sensor (51) is arranged between the left connecting earring (3) and the piston rod (2), and a first pressure sensor (5.2) is arranged between the cylinder body (1) and the right connecting earring (4); the pressure sensor I (51) and the pressure sensor II (52) are connected with the data acquisition unit (9) through a data line (8), and the data acquisition unit (9) is connected with the monitoring system through signals.
2. An on-line monitoring viscous damping shock absorber of claim 1, characterized in that, be equipped with displacement sensor (6) on cylinder body (1), displacement sensor (6) pass through data line (8) and connect data collection station (9), data collection station (9) pass through signal connection monitoring system.
3. An on-line monitoring viscous damping shock absorber as defined in any one of claims 1 or 2, characterized in that a temperature sensor (7) is arranged on the cylinder body (1), the temperature sensor (7) is connected with a data collector (9) through a data line (8), and the data collector (9) is connected with a monitoring system through a signal.
4. An on-line monitoring viscous damping shock absorber according to claim 1, characterized in that, the monitoring system comprises an information processor (10), the information processor (10) is connected with a management terminal (12) through a server.
5. An on-line monitoring viscous damping shock absorber of claim 4, characterized in that, the data of the information processor (10) is connected with the management terminal (12) through INTERNET (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631713.2A CN114941675A (en) | 2022-06-07 | 2022-06-07 | On-line monitoring viscous damping shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631713.2A CN114941675A (en) | 2022-06-07 | 2022-06-07 | On-line monitoring viscous damping shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114941675A true CN114941675A (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210631713.2A Pending CN114941675A (en) | 2022-06-07 | 2022-06-07 | On-line monitoring viscous damping shock absorber |
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| CN (1) | CN114941675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116950267A (en) * | 2023-09-21 | 2023-10-27 | 江苏安之恒振控科技有限公司 | Damper for remote control and test system thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201884537U (en) * | 2010-11-20 | 2011-06-29 | 柳州东方工程橡胶制品有限公司 | Intelligent viscous damper |
| CN202248354U (en) * | 2011-07-25 | 2012-05-30 | 中国航空规划建设发展有限公司 | Viscous damper with function of automatically monitoring hysteretic performance for building |
| CN105102846A (en) * | 2013-02-15 | 2015-11-25 | 哈金森公司 | Instrumented damper and performance monitoring system comprising such damper |
| CN208347033U (en) * | 2018-04-13 | 2019-01-08 | 智性科技南通有限公司 | Intelligent viscous damper |
| US20200025274A1 (en) * | 2018-07-19 | 2020-01-23 | Ride Control, Llc | Shock absorber service life sensor |
| CN112943835A (en) * | 2021-02-02 | 2021-06-11 | 中交公路长大桥建设国家工程研究中心有限公司 | Multi-stage displacement control type damper with intelligent monitoring function |
-
2022
- 2022-06-07 CN CN202210631713.2A patent/CN114941675A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201884537U (en) * | 2010-11-20 | 2011-06-29 | 柳州东方工程橡胶制品有限公司 | Intelligent viscous damper |
| CN202248354U (en) * | 2011-07-25 | 2012-05-30 | 中国航空规划建设发展有限公司 | Viscous damper with function of automatically monitoring hysteretic performance for building |
| CN105102846A (en) * | 2013-02-15 | 2015-11-25 | 哈金森公司 | Instrumented damper and performance monitoring system comprising such damper |
| CN208347033U (en) * | 2018-04-13 | 2019-01-08 | 智性科技南通有限公司 | Intelligent viscous damper |
| US20200025274A1 (en) * | 2018-07-19 | 2020-01-23 | Ride Control, Llc | Shock absorber service life sensor |
| CN112943835A (en) * | 2021-02-02 | 2021-06-11 | 中交公路长大桥建设国家工程研究中心有限公司 | Multi-stage displacement control type damper with intelligent monitoring function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116950267A (en) * | 2023-09-21 | 2023-10-27 | 江苏安之恒振控科技有限公司 | Damper for remote control and test system thereof |
| CN116950267B (en) * | 2023-09-21 | 2023-12-08 | 江苏安之恒振控科技有限公司 | Damper for remote control and test system thereof |
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