CN208818450U - A deflection measuring device for bridge monitoring - Google Patents
A deflection measuring device for bridge monitoring Download PDFInfo
- Publication number
- CN208818450U CN208818450U CN201821869670.7U CN201821869670U CN208818450U CN 208818450 U CN208818450 U CN 208818450U CN 201821869670 U CN201821869670 U CN 201821869670U CN 208818450 U CN208818450 U CN 208818450U
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- Prior art keywords
- bridge
- telescope
- baffle
- bracket
- deflection
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- Expired - Fee Related
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 37
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000009411 base construction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of deflection measuring apparatus for bridge monitoring, including measuring ontology, pedestal, bracket, scale, the top of device is arranged in measurement ontology, second baffle is provided at left and right sides of measurement ontology, first baffle, operation panel is provided on the outside of first baffle, telescope is provided among measurement ontology, the intermediate vertical of telescope is provided with fixed block, fixed block is fixedly connected with telescope, fixed block left and right ends respectively with second baffle, first baffle is connected by shaft, the downside of measurement ontology is arranged in pedestal, pass through screw connection between pedestal and measurement ontology, the downside of pedestal is arranged in bracket, bracket is connect with pedestal by screw threads for fastening, scale is arranged at bridge amount of deflection position to be measured, this kind for the deflection measuring apparatus of bridge monitoring can solve when having water under bridge can not with displacement meter into Row directly measurement and the inconvenient problem of optics instrument measurement when bridge is open to traffic.
Description
Technical field
The utility model relates to bridge monitoring technical field, specially a kind of deflection measuring apparatus for bridge monitoring.
Background technique
The basic intension of bridge health monitoring is by the monitoring and assessment to bridge structure situation, is bridge special
It issues warning signal under weather, transportation condition or when bridge operation situation is extremely serious, determines for the maintenance and repair and management of bridge
Plan provides foundation and guidance.However, bridge structural health monitoring is monitored and is assessed not only for configuration state, information feedback
It is that construction design method and corresponding codes and standards etc. are likely to be obtained improvement in the more profound significance of structure design.Have again
It is exactly bridge health monitoring bring is not only monitoring system and the self-examination to certain specific Bridge Design, it is also possible to and should be at
For " the field experiment room " of bridge research.
Currently, generally use dial gauge during bridge deflection monitoring or displacement meter directly measures, but this method needs
A fixed point is found, can not directly be measured when having water under bridge；Or it is surveyed by optics instrument such as level, total stations
Amount, but this method is needed by levelling rod or prism, when bridge is open to traffic, work is inconvenient.
How a kind of deflection measuring apparatus for bridge monitoring is designed, and becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of deflection measuring apparatus for bridge monitoring to solve above-mentioned background
It proposes directly be measured with displacement meter when having water under bridge in technology and optics instrument measures not side when bridge is open to traffic
Just the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of deflection metrology for bridge monitoring
The top of described device is arranged in device, including measurement ontology, pedestal, bracket, scale, the measurement ontology, and the measurement is originally
It is provided with second baffle, first baffle at left and right sides of body, operation panel is provided on the outside of the first baffle, the measurement is originally
Telescope is provided among body, the intermediate vertical of the telescope is provided with fixed block, and the fixed block and the telescope are solid
Fixed connection, the fixed block left and right ends are connect with the second baffle, first baffle by shaft respectively, the pedestal setting
In the downside of the measurement ontology, by screw connection between the pedestal and the measurement ontology, the bracket is arranged in institute
The downside of pedestal is stated, the bracket is connect with the pedestal by screw threads for fastening, and the scale is arranged in bridge amount of deflection position to be measured
Set place.
Further, the rear end of the telescope is provided with eyepiece, and focusing screw is provided in front of the eyepiece, described
The front end of telescope is provided with object lens, and the first rangefinder, the object lens and first ranging are provided with above the object lens
By screw connection between instrument, it is electrically connected between first rangefinder and the operation panel.
Further, turntable is provided with above the pedestal, the top surface of the turntable is provided at marginal position
Circular bubble is provided with chassis below the turntable, passes through shaft between the turntable and the chassis and connects, the chassis
Lower section be provided with convex block, by screw connection between the convex block and the chassis, the periphery of the convex block is provided with outer spiral shell
Line is provided with the second rangefinder at the bottom centre position of the convex block, between second rangefinder and the operation panel
It is electrically connected.
Further, be provided with fixed disk at the top of the bracket, the fixed disk center position be provided with it is described
The internal screw thread that external screw thread matches, there are three telescopic rod, the upper ends of the telescopic rod for the lower section spaced set of the fixed disk
Pin is connect between the fixed disk.
Further, the fixed block is internally provided with high-precision inclinometer, the high-precision inclinometer and the behaviour
Make to be electrically connected between panel.
Further, the scale is separately positioned at bridge l/8, l/4, l/2 span location, and the scale passes through epoxy
Resin pastes the web outside in bridge.
Further, first rangefinder is internally provided with large range laser distance measuring sensor, the sensor model number
It is RLM-S70.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, the rear end of telescope is provided with eyepiece, and focusing screw is provided in front of eyepiece, telescope
Front end is provided with object lens, and the first rangefinder is provided with above object lens, passes through screw connection between object lens and the first rangefinder, the
It is electrically connected between one rangefinder and operation panel, this device is shown the data that the first rangefinder measures in real time
Out.
In the utility model, turntable is provided with above pedestal, the top surface of turntable is provided with round water at marginal position
Quasi- device is provided with chassis below turntable, is connected between turntable and chassis by shaft, is provided with convex block below chassis, convex
By screw connection between block and chassis, the periphery of convex block is provided with external screw thread, and the is provided at the bottom centre position of convex block
Two rangefinders are electrically connected between the second rangefinder and operation panel, this device is allowed accurately to obtain measurement point to
Know the distance of elevational point.
In the utility model, fixed disk is provided at the top of bracket, fixed disk center position is provided with and external screw thread phase
Matched internal screw thread, the lower section spaced set of fixed disk is there are three telescopic rod, pin between the upper end and fixed disk of telescopic rod
Connection, so that this device is in stable working condition, and can according to need and shift one's position.
In the utility model, fixed block is internally provided with high-precision inclinometer, high-precision inclinometer and operation panel it
Between be electrically connected, this device allow shows the angle of telescope in real time, facilitates record.
In the utility model, scale is separately positioned at bridge l/8, l/4, l/2 span location, and scale passes through epoxy resin
The web outside in bridge is pasted, this device is allowed accurately to measure the amount of deflection at bridge key position.
In the utility model, the first rangefinder is internally provided with large range laser distance measuring sensor, and sensor model number is
RLM-S70, allow this device accurately obtain measurement point to known elevational point distance.
Detailed description of the invention
Fig. 1 is the single unit system schematic diagram of the utility model；
Fig. 2 is the telescope configuration schematic diagram of the utility model；
Fig. 3 is the base construction schematic diagram of the utility model；
Fig. 4 is the supporting structure schematic diagram of the utility model；
Fig. 5 is the scale structure schematic diagram of the utility model；
Fig. 6 is the schematic diagram one of the bridge deflection measurement of the utility model；
Fig. 7 is the schematic diagram two of the bridge deflection measurement of the utility model；
In figure: 1- measures ontology；2- pedestal；3- bracket；4- telescope；5- first baffle；6- operation panel；7- justifies level
Device；8- fixed block；9- object lens；10- eyepiece；11- second baffle；The first rangefinder of 12-；The second rangefinder of 13-；14- turntable；
The chassis 15-；16- external screw thread；17- convex block；18- telescopic rod；19- fixed disk；20- internal screw thread；21- scale；22- focusing screw.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of deflection metrology dress for bridge monitoring
It sets, including measurement ontology 1, pedestal 2, bracket 3, scale 21, the top of described device, the survey is arranged in the measurement ontology 1
The left and right sides of amount ontology 1 is provided with second baffle 11, first baffle 5, is provided with operation panel 6 on the outside of the first baffle 5,
Telescope 4 is provided among the measurement ontology 1, the intermediate vertical of the telescope 4 is provided with fixed block 8, the fixed block 8
It is fixedly connected with the telescope 4,8 left and right ends of fixed block pass through with the second baffle 11, first baffle 5 respectively
Shaft connection, the pedestal 2 are arranged in the downside of the measurement ontology 1, pass through between the pedestal 2 and the measurement ontology 1
The downside of the pedestal 2 is arranged in screw connection, the bracket 3, and the bracket 3 is connect with the pedestal 2 by screw threads for fastening,
The scale 21 is arranged at bridge amount of deflection position to be measured.
Further, the rear end of the telescope 4 is provided with eyepiece 10, and the front of the eyepiece 10 is provided with focusing screw
22, the front end of the telescope 4 is provided with object lens 9, and the top of the object lens 9 is provided with the first rangefinder 12, the object lens 9 with
By screw connection between first rangefinder 12, it is electrically connected between first rangefinder 12 and the operation panel 6,
This device is shown the data that the first rangefinder 12 measures in real time.
Further, the top of the pedestal 2 is provided with turntable 14, and the top surface of the turntable 14 is set at marginal position
It is equipped with circular bubble 7, the lower section of the turntable 14 is provided with chassis 15, by turning between the turntable 14 and the chassis 15
Axis connection, the lower section on the chassis 15 are provided with convex block 17, pass through screw connection, institute between the convex block 17 and the chassis 15
The periphery for stating convex block 17 is provided with external screw thread 16, and the second rangefinder 13, institute are provided at the bottom centre position of the convex block 17
It states and is electrically connected between the second rangefinder 13 and the operation panel 6, this device is allowed accurately to obtain measurement point to
Know the distance of elevational point.
Further, the top of the bracket 3 is provided with fixed disk 19,19 center position of fixed disk be provided with
The internal screw thread 20 that the external screw thread 16 matches, there are three telescopic rods 18 for the lower section spaced set of the fixed disk 19, described
Pin connects between the upper end of telescopic rod 18 and the fixed disk 19, so that this device is in stable working condition, and can
To shift one's position as needed.
Further, the fixed block 8 is internally provided with high-precision inclinometer, the high-precision inclinometer and the behaviour
Make to be electrically connected between panel 6, this device allow shows the angle of telescope in real time, facilitates record.
Further, the scale 21 is separately positioned at bridge l/8, l/4, l/2 span location, and the scale 21 passes through
Epoxy resin pastes the web outside in bridge, this device is allowed accurately to measure the amount of deflection at bridge key position.
Further, first rangefinder 12 is internally provided with large range laser distance measuring sensor, the sensor type
Number be RLM-S70, allow this device accurately obtain measurement point to known elevational point distance.
Working principle: firstly, the device is placed on known elevational point, by adjusting the telescopic rod 18 of 3 lower section of bracket
So that the bubble in circular bubble 7 is located at center, measurement ontology 1 is then measured to known height by the second rangefinder 13
The distance h of journey point1, then adjust telescope 4 and use focusing screw 22 that eyepiece 10 is made to can be seen clearly that each control is cut simultaneously
Face scale 21 records scale a corresponding to scale 21 at this time, then measures measurement ontology 1 to the quarter using the first rangefinder 12
The distance L of degree1, while writing down and showing the angle [alpha] of telescope 4 at this time on control panel 61；After a period of use to bridge, make
The device is adjusted with same method, telescope 4 is adjusted to the corresponding scale a of last time measurement, is then measured again
Ontology 1 arrives the distance h of known elevational point2, measurement ontology 1 arrive the scale distance L2, display telescope 4 angle [alpha] at this time2, lead to
Cross formula Δ=h1+L1cosα1-h2-L2cosα2Acquire amount of deflection Δ of this section of Bridges in time at each controlling sections position.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869670.7U CN208818450U (en) | 2018-11-14 | 2018-11-14 | A deflection measuring device for bridge monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869670.7U CN208818450U (en) | 2018-11-14 | 2018-11-14 | A deflection measuring device for bridge monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818450U true CN208818450U (en) | 2019-05-03 |
Family
ID=66280780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821869670.7U Expired - Fee Related CN208818450U (en) | 2018-11-14 | 2018-11-14 | A deflection measuring device for bridge monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465849A (en) * | 2021-07-22 | 2021-10-01 | 广东合众路桥科技股份有限公司 | Bridge multi-point deflection synchronous test system |
| CN120313511A (en) * | 2025-06-18 | 2025-07-15 | 中交路桥建设有限公司 | Deflection monitoring system and method in continuous beam bridge construction |
-
2018
- 2018-11-14 CN CN201821869670.7U patent/CN208818450U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465849A (en) * | 2021-07-22 | 2021-10-01 | 广东合众路桥科技股份有限公司 | Bridge multi-point deflection synchronous test system |
| CN113465849B (en) * | 2021-07-22 | 2023-08-15 | 广东合众路桥科技股份有限公司 | Synchronous test system for multi-point deflection of bridge |
| CN120313511A (en) * | 2025-06-18 | 2025-07-15 | 中交路桥建设有限公司 | Deflection monitoring system and method in continuous beam bridge construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20191114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |