CN106840063A - Underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer - Google Patents
Underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer Download PDFInfo
- Publication number
- CN106840063A CN106840063A CN201611213864.7A CN201611213864A CN106840063A CN 106840063 A CN106840063 A CN 106840063A CN 201611213864 A CN201611213864 A CN 201611213864A CN 106840063 A CN106840063 A CN 106840063A
- Authority
- CN
- China
- Prior art keywords
- displacement transducer
- expansion joint
- displacement
- ball head
- seal pipe
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer, including two bearings, ball head universal, two seal pipes, two displacement transducers, V supports, ball head universal is respectively mounted on two bearings；Ball head universal is respectively mounted on two support arms of V supports, the measurement end of each displacement transducer is by a sealing seal of tube, the other end of displacement transducer is connected with the ball head universal on V supports, seal pipe is connected with the ball head universal on bearing, perpendicular to expansion joint direction, another displacement transducer is in 45 degree of angles with expansion joint direction to one of displacement transducer.The present invention realizes the real-time measurement at tunnel bottom expansion joint, it is to avoid because of sensor waterlogged damage lead to not the problem of measurement data.
Description
Technical field
The invention belongs to Structural Engineering Security monitoring field, and in particular to a kind of underwater concrete engineering expansion joint exists
Line monitoring device, it is especially useful in monitor on-line at subway tunnel expansion joint.
Background technology
In existing concrete structure, such as underground engineering such as checkdam, cistern, subway, culvert, sluice, tunnel
In, due to being unable to continuous placing or the deformation due to settlement of foundation (earthquake), or the concrete structure caused due to the change of temperature
The reason such as expand with heat and contract with cold of part, leave often the expansion joints such as movement joint, construction joint pouring.In order to ensure engineering safety, it is necessary to
Expansion joint is monitored.It is general that displacement transducer is arranged on concrete works, expansion joint is gathered by displacement acquisition device
Displacement, so as to realize on-line monitoring.Traditional movement sensors can be measured under without hydraulic pressure or low hydraulic pressure state, but traditional bit
It is water-bed that displacement sensor can not be arranged on deep water, and near riverine, inside water pressure is higher, and Traditional movement sensors are easy for subway tunnel
Failure.Other hydraulic pressure underwater concrete engineerings high there is also this problem.
The content of the invention
It is an object of the invention to provide a kind of underwater concrete engineering expansion joint on-line monitoring based on displacement transducer
Device, to solve the problems, such as the water-bed multidirectional displacement measurement between subway tunnel expansion joint, realizes that tunnel bottom is stretched at high water pressures
Contract the real time on-line monitoring for stitching, for subway tunnel structure safety monitoring provides effective foundation.
The present invention is realized by following technical proposals.
A kind of underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer, including bearing, bulb ten thousand
Xiang Jie, seal pipe, displacement transducer, support, it is characterised in that：Ball head universal is installed on the bearing, the ball head universal
It is connected with one end of seal pipe；Ball head universal is installed, the ball head universal is connected with displacement transducer, displacement sensing on support
The measurement end of device is placed in seal pipe, and displacement transducer is sealed by seal pipe, and displacement transducer leads to displacement data collector
Letter connection.
Further preferably, the bearing includes the first bearing and the second bearing, pacifies respectively on the first bearing and the second bearing
Equipped with ball head universal, the support is V-type support, and ball head universal is separately installed with two support arms of V-type support, described
Seal pipe includes the first seal pipe and the second seal pipe, and institute's displacement sensors include that the first displacement transducer and second displacement are passed
Sensor, one end of the first seal pipe is connected with the ball head universal on the first bearing, and the measurement end of the first displacement transducer is placed in
In first seal pipe, the other end of the first displacement transducer is connected with the ball head universal of a wherein support arm of V-type support, the
One end of two seal pipes is connected with the ball head universal on the second bearing, and the measurement end of second displacement sensor is placed in the second sealing
In pipe, the other end of second displacement sensor is connected with the ball head universal of another support arm of V-type support.
Further preferably, first displacement transducer is perpendicular to expansion joint direction, the second displacement sensor with stretch
Contracting seam direction is in 45 degree of angles.
Further preferably, institute's seal pipe passes through sealing ring design of Sealing Structure row into dynamic sealing with displacement transducer, i.e.,
Seal pipe can the relative measurement slided, realize tunnel bottom displacement with displacement transducer.
A kind of underwater concrete engineering expansion joint on-line monitoring method based on displacement transducer, is distinguished using said apparatus
Measure the displacement perpendicular to the displacement in expansion joint direction and with expansion joint direction in angle of 45 degrees.
The ball head universal at two ends can enable displacement transducer each to activity in the present invention, while identical by two
Measurement apparatus, the displacement measurement perpendicular to expansion joint direction and 45 degree of directions can be measured respectively, when expansion joint produce phase
During to displacement, displacement data can be accurately inquired, and early warning is provided when displacement reaches early warning value.
The present invention solves the problems, such as that Traditional movement sensors can not be arranged on the deep water bottom, and subway tunnel is riverine attached
Closely, inside water pressure is higher, the real-time measurement at tunnel bottom expansion joint is realized by this kind of mode, it is to avoid intake because of sensor and damaged
Badly lead to not the problem of measurement data.
Brief description of the drawings
Fig. 1 is tunnel expansion joint on-Line Monitor Device scheme of installation (vertical view)；
Fig. 2 is tunnel expansion joint on-Line Monitor Device scheme of installation (facing).
Specific embodiment
In order to better illustrate the present invention, so that those skilled in the art practice, with reference to the accompanying drawings and examples
Elaborate.
Measured with water-bed subway tunnel expansion joint, under hydraulic pressure high as a example by crack real-time displacement on-line monitoring.By two bearings
(1) side at tunnel expansion joint is fixed in advance, and V-type support (5) is fixed on the opposite side at tunnel expansion joint, V-type support in advance
(5) ball head universal (2) is respectively mounted on two support arms, two support arms of V-type support (5) are in 45 degree of angles, two bearings
(1) ball head universal (2) is also respectively mounted on, the ball head universal (2) on two support arms respectively with a displacement transducer (4)
One end be connected, the other end (i.e. measurement end) of displacement transducer (4) is placed in seal pipe (3), seal pipe (3) and corresponding branch
Ball head universal (2) on seat (1) is connected.One of displacement transducer (4) is perpendicular to tunnel expansion joint direction, another position
Displacement sensor (4) is in 45 degree of angles with tunnel expansion joint direction.Certainly, two displacement transducers (4) and tunnel expansion joint direction
Angular relationship can change, such as select 60 degree of angles.Displacement transducer (4) is communicated to connect with displacement data collector, displacement
Data acquisition unit obtains displacement data and is processed and be uploaded to PC ends.
In the present invention, the dynamic sealing between seal pipe (3) and displacement transducer (4), when tunnel expansion joint occurs relatively
During displacement, displacement transducer (4) is relative with seal pipe (3) also generation to be slided, and the thimble at displacement sensor end produces contraction
Or elongation, displacement signal is now produced, the displacement at this can just be measured by PC ends software.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
Claims (6)
1. a kind of underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer, including bearing, bulb are universal
Section, seal pipe, displacement transducer, support, it is characterised in that：Ball head universal is installed on the bearing, the ball head universal with
One end of seal pipe is connected；Ball head universal is installed, the ball head universal is connected with displacement transducer, displacement transducer on support
Measurement end be placed in seal pipe, displacement transducer is sealed by seal pipe, displacement transducer communicates with displacement data collector
Connection.
2. the underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer according to claim 1, its
It is characterised by：The bearing includes the first bearing and the second bearing, and bulb ten thousand is separately installed with the first bearing and the second bearing
Xiang Jie, the support is V-type support, and ball head universal is separately installed with two support arms of V-type support, and the seal pipe includes
First seal pipe and the second seal pipe, institute's displacement sensors include the first displacement transducer and second displacement sensor, first
One end of seal pipe is connected with the ball head universal on the first bearing, and the measurement end of the first displacement transducer is placed in the first seal pipe
Interior, the other end of the first displacement transducer is connected with the ball head universal of a wherein support arm of V-type support, the second seal pipe
One end is connected with the ball head universal on the second bearing, and the measurement end of second displacement sensor is placed in the second seal pipe, and second
The other end of displacement transducer is connected with the ball head universal of another support arm of V-type support.
3. the underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer according to claim 1 and 2,
It is characterized in that：First displacement transducer is perpendicular to expansion joint direction, the second displacement sensor and expansion joint direction
In 45 degree of angles.
4. the underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer according to claim 1 and 2,
It is characterized in that：Institute's seal pipe carries out dynamic sealing with displacement transducer by sealing ring sealing structure.
5. a kind of underwater concrete engineering expansion joint on-line monitoring method based on displacement transducer, it is characterised in that：Using power
Profit requires that the device described in 3 measures the position perpendicular to the displacement in expansion joint direction and with expansion joint direction in angle of 45 degrees respectively
Move.
6. a kind of underwater concrete engineering expansion joint on-line monitoring method based on displacement transducer, it is characterised in that：For ground
Monitor on-line at iron tunnel expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213864.7A CN106840063A (en) | 2016-12-23 | 2016-12-23 | Underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213864.7A CN106840063A (en) | 2016-12-23 | 2016-12-23 | Underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106840063A true CN106840063A (en) | 2017-06-13 |
Family
ID=59136305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611213864.7A Pending CN106840063A (en) | 2016-12-23 | 2016-12-23 | Underwater concrete engineering expansion joint on-Line Monitor Device based on displacement transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106840063A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007431A (en) * | 2017-12-23 | 2018-05-08 | 苏交科集团股份有限公司 | Obtain Rectangular Tunnel segment seam horizontal distortion amount and the method for differential settlement |
| CN110849237A (en) * | 2019-12-04 | 2020-02-28 | 王俊华 | Monitoring and connecting device for highway bridge expansion joint |
| CN113218309A (en) * | 2021-01-15 | 2021-08-06 | 同济大学 | Structure and method for monitoring relative displacement between concrete road surface layers |
| CN115371612A (en) * | 2022-08-11 | 2022-11-22 | 南京森特智能科技有限公司 | Bidirectional joint meter and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514193U (en) * | 2009-10-10 | 2010-06-23 | 国网电力科学研究院 | Sealing structure of vibrating string joint meter |
| CN204177372U (en) * | 2014-09-26 | 2015-02-25 | 葛洲坝集团试验检测有限公司 | A kind of crack gauge stretching device |
| CN104988884A (en) * | 2015-05-19 | 2015-10-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Void deformation monitoring device for face rockfill dam and mounting method |
-
2016
- 2016-12-23 CN CN201611213864.7A patent/CN106840063A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514193U (en) * | 2009-10-10 | 2010-06-23 | 国网电力科学研究院 | Sealing structure of vibrating string joint meter |
| CN204177372U (en) * | 2014-09-26 | 2015-02-25 | 葛洲坝集团试验检测有限公司 | A kind of crack gauge stretching device |
| CN104988884A (en) * | 2015-05-19 | 2015-10-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Void deformation monitoring device for face rockfill dam and mounting method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007431A (en) * | 2017-12-23 | 2018-05-08 | 苏交科集团股份有限公司 | Obtain Rectangular Tunnel segment seam horizontal distortion amount and the method for differential settlement |
| CN110849237A (en) * | 2019-12-04 | 2020-02-28 | 王俊华 | Monitoring and connecting device for highway bridge expansion joint |
| CN110849237B (en) * | 2019-12-04 | 2020-06-12 | 王俊华 | Monitoring and connecting device for highway bridge expansion joint |
| CN113218309A (en) * | 2021-01-15 | 2021-08-06 | 同济大学 | Structure and method for monitoring relative displacement between concrete road surface layers |
| CN115371612A (en) * | 2022-08-11 | 2022-11-22 | 南京森特智能科技有限公司 | Bidirectional joint meter and using method |
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Application publication date: 20170613 |
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