CN205426061U - Bridge structures deflection measurement device - Google Patents
Bridge structures deflection measurement device Download PDFInfo
- Publication number
- CN205426061U CN205426061U CN201620226724.2U CN201620226724U CN205426061U CN 205426061 U CN205426061 U CN 205426061U CN 201620226724 U CN201620226724 U CN 201620226724U CN 205426061 U CN205426061 U CN 205426061U
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- bridge
- deflection
- level indicator
- bar
- measuring
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Abstract
The utility model discloses a bridge structures deflection measurement device, including measuring stick, spirit level, angle changer, box, 485 transmission line, AD transition card and industrial control computer, the upper end of measuring stick is fixed on the amount of deflection monitoring point, the amount of deflection monitoring point at least one to the amount of deflection monitoring point is located the different positions on the pontic, rotates at the lower extreme of measuring stick and is connected with the spirit level, and the lower extreme of measuring stick is located the intermediate position of spirit level, the angle changer sets up the junction at measuring stick and spirit level, box and pontic fixed connection to measuring stick, spirit level and angle changer all set up inside the box, 485 transmission line's one end is connected with the AD transition card with angle changer electric connection, 485 transmission line's the other end, AD transition card and industrial control computer electric connection. Have high accuracy and real -time, realized the continuous amount of deflection monitoring of bridge, provide objective reliable data to the trend analysis of bridge.
Description
Technical field
This utility model relates to the bridge deflection monitoring appliance arrangement technical field of science of bridge building, is specially a kind of device for measuring structural deflection of bridge.
Background technology
In the prior art, deflection metrology in science of bridge building structure, the monitoring of bridge vertical displacement typically uses total powerstation, reflecting mirror method or level gauge, these methods cannot realize the Continuous Observation of deflection of bridge span, also the automatic business processing of deflection of bridge span cannot be realized, only as a kind of means of bridge periodic monitoring, and exist and participate in link increases, artificial, the defect that error produces.Less for its amount of deflection of medium and small span bridge, general unattended duty bridge deflection monitoring uses level gauging to realize, the method of level gauging has a lot, such as direct-reading method, buoyancy method, static pressure method, capacitance method, radioisotope method, supercritical ultrasonics technology, microwave method and laser method etc..But relatively big because of amount of deflection for Longspan Bridge, the deflection monitoring of unmanned Bridge Long Period Health Monitoring is always difficult point, it is achieved get up the most relatively difficult.
Summary of the invention
The purpose of this utility model is to provide a kind of device for measuring structural deflection of bridge, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model following technical scheme of offer: a kind of device for measuring structural deflection of bridge, including measuring bar, level indicator, angle transmitter, casing, 485 transmission lines, A/D transition card and industrial control computer；The upper end of described measurement bar is fixed on deflection monitoring point, described deflection monitoring point at least one, and the diverse location that deflection monitoring point is positioned on pontic, is rotatably connected to level indicator in the lower end measuring bar, and the lower end measuring bar is positioned at the centre position of level indicator；Described angle transmitter is arranged on measurement bar and the junction of level indicator；Described casing and pontic are fixing to be connected, and measures bar, level indicator and angle transmitter and be arranged at box house；One end of described 485 transmission lines is electrically connected with angle transmitter, and the other end of 485 transmission lines is connected with A/D transition card；Described A/D transition card is electrically connected with industrial control computer.
Further, described measurement bar is vertical stratification with the junction of level indicator, measures the vertical structure of bar.
Further, described 485 transmission lines use Shielded Twisted Pair.
Further, described measurement bar and level indicator all use and have thermostability and resistant material is made.
Compared with prior art, the beneficial effects of the utility model are: have accuracy and the real-time of height, it is achieved that the continuous deflection monitoring of bridge, the trend analysis of bridge is provided objective reliable data；It is easy to make and install；There is the reliability of height, according to the different design of bridge, construction requirements, in conjunction with requirements such as angle transmitter range and precision size, service lifes, can rationally select the pressure transmitter of different accuracy and range to measure.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is measurement bar of the present utility model and the connection diagram of level indicator；
In figure: 1-measures bar, 2-level indicator, 3-angle transmitter, 4-casing, 5-485 transmission line, 6-A/D transition card, 7-industrial control computer, 8-deflection monitoring point, 9-pontic.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1-2, a kind of embodiment that this utility model provides: a kind of device for measuring structural deflection of bridge, including measuring bar 1, level indicator 2, angle transmitter 3, casing 4,485 transmission line 5, A/D transition card 6 and industrial control computer 7；The upper end of described measurement bar 1 is fixed on deflection monitoring point 8, described deflection monitoring point 8 at least one, and deflection monitoring point 8 is positioned at the diverse location on pontic 9, it is rotatably connected to level indicator 2 in the lower end measuring bar 1, and the lower end measuring bar 1 is positioned at the centre position of level indicator 2；Described angle transmitter 3 is arranged on measurement bar 1 and the junction of level indicator 2；Described casing 4 and pontic 9 is fixing to be connected, and measures bar 1, level indicator 2 and angle transmitter 3 and be arranged at inside casing 4；One end of described 485 transmission lines 5 is electrically connected with angle transmitter 3, and the other end of 485 transmission lines 5 is connected with A/D transition card 6；Described A/D transition card 6 is electrically connected with industrial control computer 7.
As optimisation technique scheme of the present utility model: described measurement bar 1 is vertical stratification with the junction of level indicator 2, measures the vertical structure of bar 1.
As optimisation technique scheme of the present utility model: described 485 transmission lines 5 use Shielded Twisted Pair.
As optimisation technique scheme of the present utility model: described measurement bar 1 and level indicator 2 all use has thermostability and resistant material is made.
Specifically used mode: in utility model works, first the upper end measuring bar 1 is arranged at deflection monitoring point 8, and measure bar 1 and horizontal plane, it is rotationally connected with level indicator 2 in the bottom measuring bar 1, the initial state measuring bar 1 and level indicator 2 after installation is vertical stratification, and it is provided with angle transmitter 3 measuring the bar 1 junction with level indicator 2, it is output as zero in initial state angle transmitter 3 acquiescence；When side bridge pier has vertical displacement, measurement bar 1 changes with the angle of level indicator 2, and the angle of change is passed to A/D transition card 6 by angle transmitter 3 in the form of electric current, after A/D transition card 6 processes, signal is passed to industrial control computer 7, demonstrate after process by industrial control computer 7 that a bridge pier has the size of vertical displacement, thus judge danger.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
Claims (4)
1. a device for measuring structural deflection of bridge, including measuring bar (1), level indicator (2), angle transmitter (3), casing (4), 485 transmission lines (5), A/D transition card (6) and industrial control computer (7)；It is characterized in that: the upper end of described measurement bar (1) is fixed in deflection monitoring point (8), described deflection monitoring point (8) at least one, and deflection monitoring point (8) is positioned at the diverse location on pontic (9), it is rotatably connected to level indicator (2) in the lower end measuring bar (1), and the lower end measuring bar (1) is positioned at the centre position of level indicator (2)；Described angle transmitter (3) is arranged on measurement bar (1) and the junction of level indicator (2)；Described casing (4) and pontic (9) are fixing to be connected, and measures bar (1), level indicator (2) and angle transmitter (3) and be arranged at inside casing (4)；One end of described 485 transmission lines (5) is electrically connected with angle transmitter (3), and the other end of 485 transmission lines (5) is connected with A/D transition card (6)；Described A/D transition card (6) is electrically connected with industrial control computer (7).
A kind of device for measuring structural deflection of bridge the most according to claim 1, is characterized in that: described measurement bar (1) is vertical stratification with the junction of level indicator (2), measures bar (1) vertically structure.
A kind of device for measuring structural deflection of bridge the most according to claim 1, is characterized in that: described 485 transmission lines (5) use Shielded Twisted Pair.
A kind of device for measuring structural deflection of bridge the most according to claim 1, is characterized in that: described measurement bar (1) and level indicator (2) all use has thermostability and resistant material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620226724.2U CN205426061U (en) | 2016-03-23 | 2016-03-23 | Bridge structures deflection measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620226724.2U CN205426061U (en) | 2016-03-23 | 2016-03-23 | Bridge structures deflection measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205426061U true CN205426061U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620226724.2U Expired - Fee Related CN205426061U (en) | 2016-03-23 | 2016-03-23 | Bridge structures deflection measurement device |
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| CN (1) | CN205426061U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525366A (en) * | 2016-11-23 | 2017-03-22 | 广西交通科学研究院 | Magnetic suspension type bridge deflection measuring device and measuring method thereof |
| CN107192520A (en) * | 2017-07-13 | 2017-09-22 | 重庆三峡学院 | A kind of deflection of bridge span detection means |
| CN111289195A (en) * | 2020-03-04 | 2020-06-16 | 中国铁道科学研究院集团有限公司基础设施检测研究所 | Bridge deflection measuring system and measuring method |
| CN113432650A (en) * | 2021-07-07 | 2021-09-24 | 苏州瑞茨柏工程监测技术有限公司 | Monitoring system of high and large formwork supporting system |
-
2016
- 2016-03-23 CN CN201620226724.2U patent/CN205426061U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525366A (en) * | 2016-11-23 | 2017-03-22 | 广西交通科学研究院 | Magnetic suspension type bridge deflection measuring device and measuring method thereof |
| CN107192520A (en) * | 2017-07-13 | 2017-09-22 | 重庆三峡学院 | A kind of deflection of bridge span detection means |
| CN107192520B (en) * | 2017-07-13 | 2018-12-11 | 重庆三峡学院 | A kind of deflection of bridge span detection device |
| CN111289195A (en) * | 2020-03-04 | 2020-06-16 | 中国铁道科学研究院集团有限公司基础设施检测研究所 | Bridge deflection measuring system and measuring method |
| CN113432650A (en) * | 2021-07-07 | 2021-09-24 | 苏州瑞茨柏工程监测技术有限公司 | Monitoring system of high and large formwork supporting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20200323 |