CN206410691U - A kind of bridge expansion joint installation deformation detection system - Google Patents
A kind of bridge expansion joint installation deformation detection system Download PDFInfo
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- CN206410691U CN206410691U CN201621476465.5U CN201621476465U CN206410691U CN 206410691 U CN206410691 U CN 206410691U CN 201621476465 U CN201621476465 U CN 201621476465U CN 206410691 U CN206410691 U CN 206410691U
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- gear
- expansion joint
- connecting rod
- rigid body
- body connecting
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Abstract
The utility model discloses a kind of bridge expansion joint installation deformation detection system, including video-stream processor and sensing module；Sensing module includes the first displacement transducer and second displacement sensor, wherein the first displacement transducer is attached at one side of first heterotype steel plate close to expansion joint, second displacement sensor is attached at one side of second heterotype steel plate close to expansion joint；Video-stream processor includes the first signal conditioning circuit, secondary signal modulate circuit, controller and electronic console；First displacement transducer is electrically connected by the first signal conditioning circuit and controller, and second displacement sensor is electrically connected by secondary signal modulate circuit and controller, and controller is electrically connected with electronic console.The utility model is simple in construction, easy to operate, saves the cost of detection and to personal safety non-hazardous, is able to detect that the deformation that naked eyes can not be observed, operating efficiency is improved, measurement result is not easily affected by environmental factors, with wide future in engineering applications.
Description
Technical field
The utility model belongs to Bridge Inspection field, more particularly to a kind of bridge expansion joint installation deformation detection system
System.
Background technology
Bridge for runing the phase, bridge can produce vertical under concrete shrinkage and creep, temperature action, Vehicle Load
To displacement.In order to meet this deformation, it is necessary to be respectively provided between girder beam-ends and abutment, between the beam-ends that two girders are adjacent
Expansion gap device.
Expansion gap device generally comprises the first heterotype steel plate, the second heterotype steel plate and the 3rd heterotype steel plate, wherein first is different
Shape steel plate is connected by the first flexible connecting member with the 3rd heterotype steel plate, and the second heterotype steel plate passes through the second flexible connecting member and
Three heterotype steel plates are connected, and the first heterotype steel plate is with the second heterotype steel plate point positioned at the both sides of the 3rd heterotype steel plate.First deformed steel
Plate and the second heterotype steel plate are both secured on bridge, and broad-adjustable stretch is formed between the first heterotype steel plate and the second heterotype steel plate
Contracting seam.
In bridge structure, expansion gap device not only to meet shrinkage and creep, temperature change, Vehicle Load produce
Displacement, and also to eliminate as two second inner forces of the superstructure caused by differential settlement.Therefore, expansion gap device is bridge knot
Whether important component in structure, its status safety is not only related to the operation of whole bridge structure, also directly influences vehicle and leads to
Cross driving states during bridge.
It is always the weak link of bridge because bridge expansion joint installation stress is complicated, and due to there are design and construction
Defect, management and maintenance be improper and situations such as bridge floor overload of vehicle so that the situation that expansion gap device is damaged in Practical Project
It is more serious.
In the prior art, the deformation detection to bridge expansion joint installation is carried out by the testing staff stood in bridge floor
Naked eyes judge identification, and this detection method has larger safety problem, and the deformation naked eyes of expansion gap device can not be accurate
Ground is observed, is easily judged by accident.Accordingly, it would be desirable to the state to expansion gap device is detected, to find that it is damaged exactly, and
Expansion gap device is repaired or changed in time.
The content of the invention
Existing to there is larger safety problem using the method for visually observing expansion gap device deformation state, the degree of accuracy is very
It is low, easily erroneous judgement.The purpose of this utility model is that there is provided a kind of safe and reliable bridge for above-mentioned the deficiencies in the prior art
Expansion joint installation of girder deformation detection system, the damage of expansion gap device can be found exactly, so as in time to expansion gap device
Repaired or changed.
In order to solve the above technical problems, the technical scheme that the utility model is used is：
A kind of bridge expansion joint installation deformation detection system, including video-stream processor and sensing module；Sensing module includes
First displacement transducer and second displacement sensor, wherein the first displacement transducer is attached at the first deformed steel in expansion gap device
Plate is close to the one side at expansion joint, and second displacement sensor is attached in expansion gap device the second heterotype steel plate close to expansion joint
One side；Video-stream processor includes the first signal conditioning circuit, secondary signal modulate circuit, controller and electronic console；The
One displacement transducer is electrically connected by the first input end of the first signal conditioning circuit and controller, and second displacement sensor passes through
The second input electrical connection of secondary signal modulate circuit and controller, the output end of controller is electrically connected with electronic console.
Due to the end of bridge main beam set expansion gap device purpose be exactly in order to meet girder longitudinally displacement need
Will, therefore, the changing rule of girder end longitudinal displacement just implies the status information of expansion gap device, when expansion gap device is damaged
When hindering, anomalous variation will occur for girder end longitudinal displacement, so as to drive the first heterotype steel plate and the second heterotype steel plate to be subjected to displacement.
Based on this principle, the displacement of the first heterotype steel plate and the second heterotype steel plate is detected by said structure, expansion joint can be reflected
Displacement.Wherein, the first displacement transducer is used for the displacement for sensing the first heterotype steel plate, and the first signal conditioning circuit is used for first
The signal that displacement transducer is sensed carries out signal condition and delivers to controller collection；Second displacement sensor is used to sense second
The displacement of heterotype steel plate, the signal that secondary signal modulate circuit is used to sense second displacement sensor carries out signal condition simultaneously
Deliver to controller collection；Controller can deliver to the displacement of the first heterotype steel plate collected and the displacement of the second heterotype steel plate
Electronic console is shown.
From long-term consideration, the utility model cost savings the cost of detection and to personal safety non-hazardous, Neng Goujian
The deformation that naked eyes can not be observed is measured, operating efficiency is improved, with wide future in engineering applications.
Further, sensing module also includes the first rigid body connecting rod and the second rigid body connecting rod, and video-stream processor is also wrapped
Include to transmit the first rigid body connecting rod of display and the machine driving display device of the second rigid body connecting rod displacement；First displacement is passed
Sensor is attached between one end of the first rigid body connecting rod and the first heterotype steel plate, and second displacement sensor is attached at the second rigid body
Between one end of connecting tube and the second heterotype steel plate；Side of the other end of first rigid body connecting rod along expansion joint extends to bridge bottom
And be connected with the first input end of machine driving display device, another side of the other end of the second rigid body connecting rod along expansion joint
Extend to bridge bottom and be connected with the second input of machine driving display device.
, can when there are the adverse weathers such as sleet because the measurement accuracy of electronic component is larger by such environmental effects
To use the displacement that mechanical system detects the first heterotype steel plate and the second heterotype steel plate.
Further, the machine driving display device includes horizontal survey bar, horizontal bush, dial plate with a scale, table
First gear, second gear, the 3rd gear and the first pointer in disk；One end of measurement bar and the first rigid body connecting rod rigid phase
Connect, the other end of measurement bar is stretched into sleeve and can moved along length sleeve direction by one end of sleeve；Sleeve is connected with dial plate,
The other end of sleeve rigidly connects with the second rigid body connecting rod；First gear is above sleeve, and measurement bar, which is provided with, is located at set
Cylinder opening and the sawtooth portion that is meshed with first gear, first gear are coaxially connected with second gear, second gear and the
Three gears are meshed, and the first pointer is coaxially connected with the 3rd gear.
By said structure, the sawtooth portion in measurement bar drives first gear to rotate, then drives second gear to rotate,
And then the 3rd gear is promoted, it is displaced through the first pointer and shows.
Further, the machine driving display device also includes the 4th gear and the second pointer, second gear and the 4th
The radius of gear is all higher than the radius of the 3rd gear, and the radius of second gear and the 4th gear is all higher than the radius of first gear,
First pointer length is more than the second pointer length；Second gear is meshed by the 3rd gear with the 4th gear；Second pointer with
4th gear is coaxially connected.
By said structure, the sawtooth portion in measurement bar drives first gear to rotate, then drives second gear to rotate,
And then the 3rd gear is promoted, it is displaced through the first pointer and shows；The 3rd gear drives the 4th pinion rotation simultaneously, and displacement is led to
Cross the second pointer show and the second total indicator reading the order of magnitude be more than the first total indicator reading the order of magnitude, can carry out more
Accurate detection.
Further, the clockwork spring for reset is additionally provided with the 4th gear, the clockwork spring is connected with zero button.
When needing to be measured next time, zero button is pressed, drives the first pointer and the second pointer to return by clockwork spring
Zero.
As a kind of preferred embodiment, the number of the sensing module is at least one.
Multiple sensing modules are set, the deformation at the diverse location of expansion joint in expansion gap device can be detected.
Compared with prior art, the utility model is simple in construction, easy to operate, cost savings the cost of detection and right
Personal safety non-hazardous, is able to detect that the deformation that naked eyes can not be observed, improves operating efficiency, measurement result is difficult by ring
Border factor influence, with wide future in engineering applications.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one.
Fig. 2 is sensing module position schematic diagram in Fig. 1.
Fig. 3 is that the utility model detects circuit diagram.
Fig. 4 is machine driving display device structure schematic diagram.
Fig. 5 is the schematic appearance of dial plate.
Wherein, 1 is the first displacement transducer, and 2 be second displacement sensor, and 3 be the first signal conditioning circuit, and 4 be second
Signal conditioning circuit, 5 be controller, and 6 be electronic console, and 7 be the first rigid body connecting rod, and 8 be the second rigid body connecting rod, and 9 are
Machine driving display device, 10 be measurement bar, and 101 be sawtooth portion, and 11 be sleeve, and 12 be dial plate, and 13 be first gear, and 14 be the
Two gears, 15 be the 3rd gear, and 16 be the first pointer, and 17 be the 4th gear, and 18 be the second pointer, and 19 be clockwork spring, and 20 be zero
Button, 21 be power module, and 22 be switch, and 23 be the first pullover, and 24 be the second pullover, and 25 be the first butt joint, and 26 be second
Butt joint, 27 be girder, and 28 be expansion joint, and 29 be the first heterotype steel plate, and 30 be the second heterotype steel plate.
Embodiment
As shown in Figures 1 to 5, an embodiment of the present utility model includes video-stream processor and sensing module；Sensing module
Including the first displacement transducer 1 and second displacement sensor 2, wherein the first displacement transducer 1 is attached in expansion gap device
One heterotype steel plate 29 is close to the one side at expansion joint 28, and second displacement sensor 2 is attached at the second deformed steel in expansion gap device
One side of the plate 30 close to expansion joint 28；Video-stream processor includes the first signal conditioning circuit 3, secondary signal modulate circuit 4, control
Device 5 and electronic console 6 processed；First displacement transducer 1 passes through the first signal conditioning circuit 3 and the first input end of controller 5
Electrical connection, second displacement sensor 2 is electrically connected by the second input of secondary signal modulate circuit 4 and controller 5, controller
5 output end is electrically connected with electronic console 6.Power module 21 is powered for detecting system, opens switch 22, you can examined
Survey.
Sensing module also includes the first rigid body connecting rod 7 and the second rigid body connecting rod 8, and video-stream processor also includes to pass
Pass the first rigid body connecting rod 7 of display and the machine driving display device 9 of the displacement of the second rigid body connecting rod 8；First displacement transducer 1
It is attached between one end of the first rigid body connecting rod 7 and the first heterotype steel plate 29, second displacement sensor 2 is attached at the second rigid body
Between one end of connecting tube and the second heterotype steel plate 30；The other end of first rigid body connecting rod 7 extends to bridge bottom simultaneously along girder 27
It is connected with the first input end of machine driving display device 9, the other end of the second rigid body connecting rod 8 extends to bridge bottom along girder 27
And be connected with the second input of machine driving display device 9.
The machine driving display device 9 includes horizontal survey bar 10, horizontal bush 11, dial plate 12 with a scale, dial plate
First gear 13, second gear 14, the 3rd gear 15, the 4th gear 17, the first pointer 16 and the second pointer 18 in 12；Second
The radius of the gear 17 of gear 14 and the 4th is all higher than the radius of the 3rd gear 15, and the radius of the gear 17 of second gear 14 and the 4th is equal
More than the radius of first gear 13, the length of the first pointer 16 is more than the length of the second pointer 18；One end of measurement bar 10 passes through first
Pullover 23 connects with the rigidity of the first rigid body connecting rod 7, and the other end of measurement bar 10 is stretched into sleeve 11 simultaneously by one end of sleeve 11
It can be moved along the length direction of sleeve 11；Sleeve 11 is connected with dial plate 12, and the other end of sleeve 11 passes through the second pullover 24 and second
The rigidity of rigid body connecting rod 8 connects；First gear 13 is located at the top of sleeve 11, and measurement bar 10, which is provided with, is located at the opening of sleeve 11
And the sawtooth portion being meshed with first gear 13, first gear 13 and second gear 14 are coaxial to be connected, and second gear 14 passes through the
Three gears 15 are meshed with the 4th gear 17, and the 3rd gear 15 is located between the gear 17 of second gear 14 and the 4th；First refers to
Pin 16 and the 3rd gear 15 are coaxial connected, and the second pointer 18 and the 4th gear 17 are coaxial connected.The readout units of second pointer 18
For centimetre, the readout units of the first pointer 16 are millimeter.
The clockwork spring 19 for reset is additionally provided with 4th gear 17, the clockwork spring 19 is connected with zero button 20.
The number of the sensing module is three.As shown in Fig. 2 the first heterotype steel plate 29 posts three the first displacement sensings
Device 1, the second heterotype steel plate 30 posts three second displacement sensors 2, and the first displacement transducer 1 and second displacement sensor 2 are felt
The displacement information that should be arrived is delivered to the first signal condition unit and secondary signal conditioning unit by signal transmssion line respectively.Signal
Transmission line is converted by service cable, the overall length of signal transmssion line, according to field condition and in the future detection demand
Depending on situation.
As shown in Fig. 2 the first heterotype steel plate 29 three first rigid body connecting rods 7 of correspondence, the second heterotype steel plate 30 correspondence three
The second rigid body of root connecting rod 8.First rigid body connecting rod 7 and the second rigid body connecting rod 8 are fixed in expansion joint 28, above play first different
The middle part of 29 or second heterotype steel plate of shape steel plate 30, along expansion joint 28 downwards to main bridge bottom surface, then bolt knot is in bridge bottom.First rigid body
The length of the rigid body connecting rod 8 of connecting rod 7 and second, according to field condition and in the future depending on the situation of detection demand.By signal
Transmission line is placed in the first rigid body connecting rod 7 and the second rigid body connecting rod 8, can be with protection signal transmission line.
First rigid body connecting rod 7 is divided into two sections by the first butt joint 25, and the second rigid body connecting rod 8 passes through the second butt joint
26 are divided into two sections.When not detecting usually, detecting system is removed at the first butt joint 25 and the second butt joint 26, by first pair
The butt joint 26 of joint 25 and second packages to avoid breakage.During measurement, connected using the first butt joint 25 and the second butt joint 26
Measuring system is connected, by docking the sensing module at diverse location, the deformation feelings of expansion joint 28 at diverse location can be detected
Condition.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than limitation, this area it is common
Technical staff is not departing from the utility model objective and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within protection domain of the present utility model.
Claims (6)
1. a kind of bridge expansion joint installation deformation detection system, it is characterised in that including video-stream processor and sensing module；Sensing
Module includes the first displacement transducer（1）With second displacement sensor（2）, wherein the first displacement transducer（1）It is attached at flexible
Stitch the first heterotype steel plate in device（29）Close to expansion joint（28）One side, second displacement sensor（2）It is attached at expansion joint
Second heterotype steel plate in device（30）Close to expansion joint（28）One side；Video-stream processor includes the first signal conditioning circuit
（3）, secondary signal modulate circuit（4）, controller（5）And electronic console（6）；First displacement transducer（1）Pass through the first letter
Number modulate circuit（3）And controller（5）First input end electrical connection, second displacement sensor（2）Nursed one's health by secondary signal
Circuit（4）And controller（5）The second input electrical connection, controller（5）Output end and electronic console（6）Electrical connection.
2. bridge expansion joint installation deformation detection system as claimed in claim 1, it is characterised in that sensing module also includes the
One rigid body connecting rod（7）With the second rigid body connecting rod（8）, video-stream processor is also including to transmit the first rigid body connecting rod of display
（7）With the second rigid body connecting rod（8）The machine driving display device of displacement（9）；First displacement transducer（1）It is attached at first firm
Body connecting rod（7）One end and the first heterotype steel plate（29）Between, second displacement sensor（2）It is attached at the second rigid body connecting tube
One end and the second heterotype steel plate（30）Between；First rigid body connecting rod（7）The other end along expansion joint（28）Side extension
To bridge bottom and with machine driving display device（9）First input end be connected, the second rigid body connecting rod（8）The other end along flexible
Seam（28）Another side extend to bridge bottom and with machine driving display device（9）The second input be connected.
3. bridge expansion joint installation deformation detection system as claimed in claim 2, it is characterised in that the machine driving is shown
Device（9）Including horizontal survey bar（10）, horizontal bush（11）, dial plate with a scale（12）, dial plate（12）Interior first gear
（13）, second gear（14）, the 3rd gear（15）With the first pointer（16）；
Measurement bar（10）One end and the first rigid body connecting rod（7）Rigidity connects, measurement bar（10）The other end by sleeve（11）
One end stretch into sleeve（11）It is interior and can be along sleeve（11）Length direction is moved；Sleeve（11）With dial plate（12）It is connected, sleeve
（11）The other end and the second rigid body connecting rod（8）Rigidity connects；First gear（13）Located at sleeve（11）Top, measurement bar
（10）It is provided with and is located at sleeve（11）Opening and and first gear（13）The sawtooth portion being meshed, first gear（13）With
Two gears（14）It is coaxial to be connected, second gear（14）With the 3rd gear（15）It is meshed, the first pointer（16）With the 3rd gear
（15）It is coaxial to be connected.
4. bridge expansion joint installation deformation detection system as claimed in claim 2, it is characterised in that the machine driving is shown
Device（9）Also include the 4th gear（17）With the second pointer（18）, second gear（14）With the 4th gear（17）Radius it is big
In the 3rd gear（15）Radius, second gear（14）With the 4th gear（17）Radius be all higher than first gear（13）Half
Footpath, the first pointer（16）Length is more than the second pointer（18）Length；Second gear（14）Pass through the 3rd gear（15）With the 4th tooth
Wheel（17）It is meshed；Second pointer（18）With the 4th gear（17）It is coaxial to be connected.
5. bridge expansion joint installation deformation detection system as claimed in claim 4, it is characterised in that the 4th gear（17）
Inside it is additionally provided with the clockwork spring for reset（19）, the clockwork spring（19）With zero button（20）It is connected.
6. the bridge expansion joint installation deformation detection system as described in any one of claim 1 to 5, it is characterised in that the sense
The number for surveying module is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476465.5U CN206410691U (en) | 2016-12-30 | 2016-12-30 | A kind of bridge expansion joint installation deformation detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476465.5U CN206410691U (en) | 2016-12-30 | 2016-12-30 | A kind of bridge expansion joint installation deformation detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206410691U true CN206410691U (en) | 2017-08-15 |
Family
ID=59552738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621476465.5U Expired - Fee Related CN206410691U (en) | 2016-12-30 | 2016-12-30 | A kind of bridge expansion joint installation deformation detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206410691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357649A (en) * | 2018-11-16 | 2019-02-19 | 浙江全华实业有限公司 | A kind of test platform for bridge expansion joint installation |
| CN113137915A (en) * | 2021-04-22 | 2021-07-20 | 淮南市公路管理局直属分局 | Highway bridge flatness detection equipment |
-
2016
- 2016-12-30 CN CN201621476465.5U patent/CN206410691U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357649A (en) * | 2018-11-16 | 2019-02-19 | 浙江全华实业有限公司 | A kind of test platform for bridge expansion joint installation |
| CN109357649B (en) * | 2018-11-16 | 2024-03-01 | 宁波路宝交通设施有限公司 | Test platform for bridge expansion joint device |
| CN113137915A (en) * | 2021-04-22 | 2021-07-20 | 淮南市公路管理局直属分局 | Highway bridge flatness detection equipment |
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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: 20170815 Termination date: 20171230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |