CN201983915U - Bridge dynamic deflection detection device - Google Patents
Bridge dynamic deflection detection device Download PDFInfo
- Publication number
- CN201983915U CN201983915U CN2011200268943U CN201120026894U CN201983915U CN 201983915 U CN201983915 U CN 201983915U CN 2011200268943 U CN2011200268943 U CN 2011200268943U CN 201120026894 U CN201120026894 U CN 201120026894U CN 201983915 U CN201983915 U CN 201983915U
- Authority
- CN
- China
- Prior art keywords
- bridge
- reserve tank
- dynamic deflection
- liquid reserve
- micro
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
Abstract
The utility model discloses a bridge dynamic deflection detection device which comprises a liquid storage tank, an adjustable bracket, a support seat, a connecting pipeline, a micro pressure difference sensor and a signal acquirer, wherein the liquid storage tank is fixed on the side wall of the bridge end through the adjustable bracket and the support seat, one end of the connecting pipeline is communicated with the bottom of the liquid storage tank, the other end of the connecting pipeline is connected with the micro pressure difference sensor, and the micro pressure difference sensor is fixed on a point to be detected of a bridge and is communicated with the signal acquirer. In the bridge dynamic deflection detection device, variation of liquid pressure difference is detected with the utilization of the micro pressure difference sensor so that a self position variation of the point to be detected is perceived, and detection information is transferred into the external signal acquirer at any time so as to supply a data basis for accurately and timely grasping variation of the bridge dynamic deflection, the bridge dynamic deflection detection device has simple and convenient detection process, strong real-time performance and accurate and reliable detection result, is particularly suitable for real-time and continuous detection of the point to be detected and has wide applicability and generality.
Description
Technical field
The utility model relates to a kind of device that bridge is carried out the dynamic deflection detection, particularly a kind of bridge dynamic deflection pick-up unit that utilizes connecting pipe to carry out the physical principle monitoring.
Background technology
With respect to the highway foundation Facilities Construction, the cost height of bridge, complex structure, difficulty of construction are big, and the status is important in whole traffic and transport field, and influences huge.Bridge is under arms in the process, is subjected to the loading that constantly changes, and the influence of material aging and fatigue effect, corrosion effect, deflection deformation will certainly occur.Deflection deformation is the most direct reaction of the rigidity of structure, and dynamic deflection more can real time reaction goes out the stiffness variation and the bearing capacity of bridge and changes, it is the macro manifestations of structural safety, also be the important indicator that guarantees the bridge security operation, the accurate test of this parameter directly has influence on the evaluation of structural bearing capacity and to the assessment of structural damage deterioration.
Nowadays, to the detection of deflection of bridge span distortion, promptly to the quiet deformation monitoring of structure relative displacement, technology is ripe relatively, and checkout equipment commonly used comprises dial gauge, spirit-leveling instrument, electronic ruler, UNICOM's formula static level etc., adopts and manually carries out field survey, simply, conveniently, precision is higher; And dynamic deflection, be that dynamic deformation detects, owing to be subjected to the restriction of technical conditions and testing environment, can only carry out some simple test and tests, and accuracy is lower, is difficult to form a kind of permanently effective monitoring mechanism, brings certain difficulty for the dynamic deflection monitoring and evaluation of bridge structure, be unfavorable for understanding at any time the health condition of bridge, bring serious hidden danger to safe handling.
How the dynamic deflection situation of change to bridge detects and information transmission in real time, improves safety in utilization, just becomes matter of utmost importance to be solved in the utility model.
Summary of the invention
In view of above-mentioned existing situation, the utility model aims to provide a kind of accuracy of detection height, detect effective, testing result accurately, bridge dynamic deflection pick-up unit reliably, to reach the purpose that bridge security uses.
The utility model is achieved through the following technical solutions:
A kind of bridge dynamic deflection pick-up unit, comprise liquid reserve tank, adjustable support and bearing, liquid reserve tank is fixed on the adjustable support, adjustable support is fixed on the bearing, bearing is fixed on the wall of bridge end, adjustable support is used to adjust the height of liquid reserve tank in vertical direction, also comprise a connecting tube, a micro-pressure sensor and a signal picker, connecting tube is provided with sleeve pipe, connecting tube one end is communicated with the liquid reserve tank bottom, the other end is connected on the micro-pressure sensor, and micro-pressure sensor is fixed on the tested point of bridge, micro-pressure sensor and signal picker signal communication.
Also be provided with the liquid level observer on the described liquid reserve tank outer wall.
Described liquid reserve tank is a tubbiness, and the tubbiness liquid reserve tank is provided with bung, covers and is provided with bleeder vent.
It is cursory also to be placed with on the liquid level of described liquid reserve tank, and cursory below is sealed with silicone oil.
Can be pure water or anti freezing solution in the described liquid reserve tank.
A kind of bridge dynamic deflection pick-up unit described in the utility model, by a micro-pressure sensor is fixed on the bridge tested point, utilize connecting tube that the liquid reserve tank of stationkeeping is communicated with micro-pressure sensor, along with the distortion of tested point dynamic deflection, thereby micro-pressure sensor can be surveyed the pressure reduction change of liquid and be converted into the tested point distortion, and detection information is sent in the outer signals collector at any time, forming the dynamic deflection frame shows, for accurately, in time grasp the variation of bridge dynamic deflection the data foundation is provided, testing process is simple, convenient, real-time, testing result is accurate, reliably, be particularly suitable for tested point is carried out in real time, continuous detecting has extensive applicability and versatility.And the cursory and sealing silicone oil that is positioned on the liquid reserve tank liquid level can further prevent slosh and volatilization, keeps liquid level steady, reduces the self-vibration of liquid in the case, avoids the influence of dynamic excitation to test result, has guaranteed the accuracy and the reliability of testing result.
Description of drawings
Fig. 1 is the mounting structure synoptic diagram of the utility model when detecting.
Embodiment
Be further described below in conjunction with 1 pair of the utility model of accompanying drawing:
A kind of bridge dynamic deflection pick-up unit described in the utility model comprises liquid reserve tank 1, adjustable support 2, bearing 3, connecting tube 4, a micro-pressure sensor 5 and a signal picker 6.Wherein, liquid reserve tank 1 is a tubbiness, and tubbiness liquid reserve tank 1 is provided with bung 7, and bung 7 is provided with bleeder vent 8, and bleeder vent 8 can guarantee that barrel interior minute-pressure difference and the outer atmospheric pressure of bucket are consistent, and avoid producing the phenomenon that builds the pressure.For preventing that liquid in bucket from rocking or fluctuate, influence the minute-pressure difference and detect, it is cursory 9 also to be placed with on the liquid level of liquid reserve tank 1, and cursory 9 belows are sealed with silicone oil 10.Cursory 9 is the light plastic goods, corrosion-resistant, difficult aging.And be to observe liquid level, in time understand liquid level position in the bucket, on the outer wall of liquid reserve tank 1, also be provided with liquid level observer 11, made things convenient for use.Liquid reserve tank 1 is fixed on the adjustable support 2, and adjustable support 2 is fixed on the bearing 3, and bearing 3 is fixed on as on the distolateral wall 12 of the bridge of reference point, and the position of reference point keeps relative fixed constant.Adjustable support 2 is used to adjust the height of liquid reserve tank 1 in vertical direction, realizes that the height of 1 pair of reference point of liquid reserve tank is regulated.Connecting tube 4 one ends are communicated with liquid reserve tank 1 bottom, and the other end is connected on the micro-pressure sensor 5, are the durability of protection connecting tube 4, prolong the serviceable life of connecting tube 4, also are with sleeve pipe 13 on connecting tube 4.The electric elements that micro-pressure sensor 5 is surveyed as dynamic deflection are fixed on the tested point of case beam 14.The signal output part of micro-pressure sensor 5 is communicated with signal picker 6 by lead, finishes the real-time transmission of detectable signal, even also can adopt wireless mode and signal picker 6 to realize wireless transmission.
In the actual detected, put into pure water or anti freezing solution in the liquid reserve tank 1, after liquid level reaches and detects the height that requires, with silicone oil 10 sealings, it is cursory 9 to put, and covers bung 7, is subjected to cursory 9 and the sealing function of silicone oil 10, liquid level can not produce local vibration, has guaranteed the harmony and the accuracy of liquid level minute-pressure difference.When case beam 14 compressive deformations, micro-pressure sensor 5 position height that are fixed on the case beam 14 change, because micro-pressure sensor 5 is communicated with liquid reserve tank 1 by connecting tube 4, under the situation that liquid reserve tank 1 position remains unchanged, micro-pressure sensor 5 can detect the variation of hydraulic pressure in the connecting tube 4 because of the self-position height change, by lead information is sent in the signal picker 6 at any time, form continually varying dynamic deflection frame 6 li of signal pickers, realize the real-time detection of dynamic deflection, reproduced the dynamic deflection change procedure.Certainly,, a plurality of detecting units also can be installed simultaneously on different detection positions, detect in real time with the multiple spot of finishing bridge according to detecting needs, simple, convenient, fast.
Claims (5)
1. bridge dynamic deflection pick-up unit, comprise liquid reserve tank, adjustable support and bearing, described liquid reserve tank is fixed on the adjustable support, adjustable support is fixed on the bearing, bearing is fixed on the wall of bridge end, adjustable support is used to adjust the height of liquid reserve tank in vertical direction, it is characterized in that, also comprise a connecting tube, a micro-pressure sensor and a signal picker, described connecting tube is provided with sleeve pipe, connecting tube one end is communicated with the liquid reserve tank bottom, and the other end is connected on the micro-pressure sensor; Described micro-pressure sensor is fixed on the tested point of bridge, micro-pressure sensor and signal picker signal communication.
2. a kind of bridge dynamic deflection pick-up unit according to claim 1 is characterized in that, also is provided with the liquid level observer on the described liquid reserve tank outer wall.
3. according to claim 1 or 2 described a kind of bridge dynamic deflection pick-up units, it is characterized in that described liquid reserve tank is a tubbiness, the tubbiness liquid reserve tank is provided with bung, covers to be provided with bleeder vent.
4. a kind of bridge dynamic deflection pick-up unit according to claim 3 is characterized in that it is cursory also to be placed with on the liquid level of described liquid reserve tank, and cursory below is sealed with silicone oil.
5. a kind of bridge dynamic deflection pick-up unit according to claim 1 is characterized in that, can be pure water or anti freezing solution in the described liquid reserve tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200268943U CN201983915U (en) | 2011-01-27 | 2011-01-27 | Bridge dynamic deflection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200268943U CN201983915U (en) | 2011-01-27 | 2011-01-27 | Bridge dynamic deflection detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983915U true CN201983915U (en) | 2011-09-21 |
Family
ID=44611374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200268943U Expired - Fee Related CN201983915U (en) | 2011-01-27 | 2011-01-27 | Bridge dynamic deflection detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201983915U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089602A (en) * | 2014-07-11 | 2014-10-08 | 中冶建筑研究总院有限公司 | Method for measuring dynamic deflection through fiber grating differential pressure gauges |
| CN104139836A (en) * | 2014-07-24 | 2014-11-12 | 江苏驷博电气有限公司 | Measuring device for deflection of floating dock |
| CN108801567A (en) * | 2018-04-04 | 2018-11-13 | 中铁大桥科学研究院有限公司 | A kind of liquid level communicating pipe influenced test device and test method by structure oscillation crosswise |
| CN109813509A (en) * | 2019-01-14 | 2019-05-28 | 中山大学 | The method that high-speed rail bridge vertically moves degree of disturbing measurement is realized based on unmanned plane |
-
2011
- 2011-01-27 CN CN2011200268943U patent/CN201983915U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089602A (en) * | 2014-07-11 | 2014-10-08 | 中冶建筑研究总院有限公司 | Method for measuring dynamic deflection through fiber grating differential pressure gauges |
| CN104139836A (en) * | 2014-07-24 | 2014-11-12 | 江苏驷博电气有限公司 | Measuring device for deflection of floating dock |
| CN108801567A (en) * | 2018-04-04 | 2018-11-13 | 中铁大桥科学研究院有限公司 | A kind of liquid level communicating pipe influenced test device and test method by structure oscillation crosswise |
| CN109813509A (en) * | 2019-01-14 | 2019-05-28 | 中山大学 | The method that high-speed rail bridge vertically moves degree of disturbing measurement is realized based on unmanned plane |
| CN109813509B (en) * | 2019-01-14 | 2020-01-24 | 中山大学 | Method for realizing measurement of vertical dynamic disturbance degree of high-speed rail bridge based on unmanned aerial vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103292774B (en) | A kind of dynamic deflection metrology method of bridge | |
| CN102494670A (en) | Method for monitoring foundation settlement by using static water level gauge and static water level gauges used in method | |
| CN201983915U (en) | Bridge dynamic deflection detection device | |
| CN102080980B (en) | Measuring method of oil level/ intensity of airplane fuel oil | |
| EP4239283A3 (en) | System and method for providing information on fuel savings, safe operation, and maintenance by real-time predictive monitoring and predictive controlling of aerodynamic and hydrodynamic environmental internal/external forces, hull stresses, motion with | |
| CN201662420U (en) | Integrated dry-gas holder counter metering and piston gradient detecting device | |
| CN105466521A (en) | Method for measuring liquid level of liquid in container | |
| CN103336320A (en) | Intelligent alarm rain gauge | |
| CN104061983A (en) | Tilting pendulum type float ball liquid level meter | |
| CN104457890A (en) | Canned intelligent volume monitoring device | |
| CN202119509U (en) | Liquidometer suitable for underground pond with large area | |
| CN102392635A (en) | Underground well water level observation device | |
| JP4523904B2 (en) | Water level measuring device and water level measuring system using this water level measuring device | |
| CN104501911A (en) | Spiral spring wire pulling liquid level measurement instrument and measurement method thereof | |
| US7603900B2 (en) | Leakage inspection apparatus for liquid storage tank technical field | |
| CN206974511U (en) | A kind of ultrasonic water level gauge for adapting to water level fluctuation | |
| CN103759791A (en) | Portable multifunctional liquid level measuring device and method based on laser and pressure | |
| CN210089805U (en) | Transducer and buoy liquid level meter | |
| CN104280097A (en) | Floating roof tank liquid level measuring device and measurement method using measurement device | |
| CN203420292U (en) | Direct-reading type pile foundation displacement detection device | |
| CN203422141U (en) | Liquid level measuring device | |
| CN204330087U (en) | Spiral clockwork spring line draws fluid level measuring instrument | |
| KR20130106560A (en) | Automatic oil leak detector of oil storage tank | |
| CN204101134U (en) | Pendulum-type of inclining floating ball lever meter | |
| CN105571564A (en) | Height measuring sensor and hydraulic support using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI PROVINCE EXPRESSWAY MANAGEMENT BUREAU Free format text: FORMER OWNER: BEIJING XINZHI JIAOKE TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20130207 Owner name: BEIJING XINZHI JIAOKE TECHNOLOGY DEVELOPMENT CO., Effective date: 20130207 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Junliang Inventor after: Kang Yanmin Inventor after: Wang Guoqing Inventor after: Li Huizhen Inventor after: Li Sujuan Inventor after: Guo Li Inventor after: Hu Daxin Inventor before: Gao Junliang Inventor before: Hu Daxin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100088 HAIDIAN, BEIJING TO: 050011 SHIJIAZHUANG, HEBEI PROVINCE Free format text: CORRECT: INVENTOR; FROM: GAO JUNLIANG HU DAXIN TO: GAO JUNLIANG KANG YANMIN WANG GUOQING LI HUIZHEN LI SUJUAN GUO LI HU DAXIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130207 Address after: 050011 No. 509 East Yuhua Road, Hebei, Shijiazhuang Patentee after: HEBEI PROVINCE EXPRESSWAY MANAGEMENT BUREAU Patentee after: Beijing Xinzhi Jiaoke Technology Development Co., Ltd. Address before: 100088, room 220, building 19, Bao Sheng, Haidian District, Beijing Patentee before: Beijing Xinzhi Jiaoke Technology Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20160127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |