CN209055826U - One kind being used for bridge construction intelligence stress monitor device - Google Patents
One kind being used for bridge construction intelligence stress monitor device Download PDFInfo
- Publication number
- CN209055826U CN209055826U CN201821940326.2U CN201821940326U CN209055826U CN 209055826 U CN209055826 U CN 209055826U CN 201821940326 U CN201821940326 U CN 201821940326U CN 209055826 U CN209055826 U CN 209055826U
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- China
- Prior art keywords
- strain gauge
- bridge
- electrically connected
- data collector
- compensation block
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Abstract
The utility model discloses one kind to be used for bridge construction intelligence stress monitor device, including test device, analytical equipment, compensation block, test device is set on bridge, analytical equipment is set to monitoring center, compensation block is set to inside bridge box and beam, is connected between test device and analytical equipment by wireless signal;Test device is made of the first strain gauge, the second strain gauge, data collector, first strain gauge is bound respectively on the reinforcing bar at bridge top plate and bottom plate position, second strain gauge is set in compensation block, data collector is placed in inside bridge box and beam, it is electrically connected between first strain gauge and data collector, it is electrically connected between second strain gauge and data collector, data collector is internally provided with signal projector;This kind for bridge construction intelligence stress monitor device can solve conventional stress monitor means workload it is huge while test data reliability also hardly result in guarantee the problem of.
Description
Technical field
The utility model relates to bridge monitoring technical fields, specially a kind of to fill for bridge construction intelligence stress monitor
It sets.
Background technique
Construction monitoring is to ensure that bridge embodies a kind of means of mentality of designing in construction or service stage perfection, especially closely
In the past few years, bridge span, structural shape have very big breakthrough, with conventional calculating or measurement means, are difficult accurately to obtain
Force-bearing situation of the bridge under various operating conditions, it is necessary to introduce monitoring and make auxiliary control means, be played in the construction of large bridge
The effect of guidance and adjustment sequence of construction.
Conventional stress monitor means are to be measured using strain testing instrument to pre-buried strain gauge, then deduct coagulation
Then strain caused by native shrinkage and creep acquires current construction stage stress variation value by constitutive equation, and by itself and reason
It is compared by value;In the process, it excludes to influence caused by environment temperature and humidity, needs the high-frequency survey of staff
Amount, the reliability of test data also hardly results in guarantee while workload is huge.
How one kind is designed for bridge construction intelligence stress monitor device, and becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide one kind for bridge construction intelligence stress monitor device to solve above-mentioned back
The reliability of test data also hardly results in guarantor while the conventional stress monitor means workload proposed in scape technology is huge
The problem of card.
To achieve the above object, the utility model provides the following technical solutions: one kind is supervised for bridge construction intelligence stress
Device is controlled, including test device, analytical equipment, compensation block, the test device are set on bridge, the analytical equipment setting
In monitoring center, the compensation block is set to inside the bridge box and beam, is led between the test device and the analytical equipment
Cross wireless signal connection;The test device is made of the first strain gauge, the second strain gauge, data collector, and described first answers
Become on the reinforcing bar that meter is bound respectively at bridge top plate and bottom plate position, second strain gauge is set in the compensation block, institute
It states data collector to be placed in inside the bridge box and beam, electrically connect between first strain gauge and the data collector
It connects, is electrically connected between second strain gauge and the data collector, the data collector is internally provided with signal
Transmitter.
Further, the analytical equipment is internally provided with signal receiver, A/D converter, microprocessor, the signal
It is electrically connected between receiver and the A/D converter, is electrically connected between the A/D converter and the microprocessor, institute
The outside for stating analytical equipment is provided with display, operation panel, is electrically connected between the display and the microprocessor, institute
It states and is electrically connected between operation panel and the microprocessor, the microprocessor internal is integrated with data storage, the number
It is electrically connected according between memory and the microprocessor.
Further, the data storage internal reservoir has gross data, and the gross data is by bridge finite element fraction
It analyses software and calculates gained.
Further, first strain gauge along bridge lateral be respectively arranged at away from the bottom plate bottom surface position 10cm,
At the top plate top surface position 10cm, the first strain gauge number described in each cross section is no less than 6.
Further, first strain gauge, the second strain gauge select flush type vibratory strain ga(u)ge.
Further, the compensation block is filled with concrete identical with beam-ends to be poured, the compensation block and the bridge
It is not acted in identical temperature humidity and by external loads.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, analytical equipment can receive data collector by wireless signal in real time and measure strain value,
Then processing is carried out to strain data by microprocessor and is converted to stress value, staff can be by operation panel by stress
Value is stored in data storage, and the reliability of test data is also guaranteed while improving working efficiency.
In the utility model, data storage internal reservoir has gross data, and gross data is soft by bridge finite element analysis
Part calculates gained;It is compared convenient for analytical equipment is handled obtained stress value with gross data.
In the utility model, the first strain gauge along bridge lateral be respectively arranged at away from the position 10cm of bottom plate bottom surface, away from top
At the position plate top surface 10cm, each the first strain gauge of cross section number is no less than 6;This device is reduced due to strain
Error caused by reason itself is counted, test data is more reliable.
In the utility model, the first strain gauge, the second strain gauge select flush type vibratory strain ga(u)ge;Therefore the line of strain gauge
Property degree and durability are relatively good.
In the utility model, compensation block is filled with concrete identical with beam-ends to be poured, and compensation block is in identical with bridge
Temperature humidity in and do not acted on by external loads;Environment temperature, wet is excluded during analytical calculation convenient for analytical equipment
Spend the strain that caused strain gauge generates.
Detailed description of the invention
Fig. 1 is the single unit system schematic diagram of the utility model;
Fig. 2 is the analytical equipment structural schematic diagram of the utility model;
Fig. 3 is the circuit block diagram of the utility model;
In figure: 1- test device;2- analytical equipment;The first strain gauge of 3-;The second strain gauge of 4-;5- data collector;6-
Signal projector;7- signal receiver;8-A/D converter;9- data storage;10- microprocessor;11- display;12- behaviour
Make panel;13- top plate;14- compensation block;15- bottom plate.
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. 1-3 is please referred to, the utility model provides a kind of technical solution: one kind is filled for bridge construction intelligence stress monitor
It sets, including test device 1, analytical equipment 2, compensation block 14, the test device 1 is set on bridge, and the analytical equipment 2 is set
It is placed in monitoring center, the compensation block 14 is set to inside the bridge box and beam, the test device 1 and the analytical equipment 2
Between pass through wireless signal connect;The test device 1 is made of the first strain gauge 3, the second strain gauge 4, data collector 5,
First strain gauge 3 is bound respectively on the reinforcing bar at bridge top plate 13,15 position of bottom plate, and second strain gauge 4 is arranged
In the compensation block 14, the data collector 5 is placed in inside the bridge box and beam, first strain gauge 3 with it is described
It is electrically connected, is electrically connected between second strain gauge 4 and the data collector 5, the data between data collector 5
Collector 5 is internally provided with signal projector 6.
Further, the analytical equipment 2 is internally provided with signal receiver 7, A/D converter 8, microprocessor 10, institute
It states and is electrically connected between signal receiver 7 and the A/D converter 8, between the A/D converter 8 and the microprocessor 10
It is electrically connected, the outside of the analytical equipment 2 is provided with display 11, operation panel 12, the display 11 and micro- place
It is electrically connected, is electrically connected between the operation panel 12 and the microprocessor 10, the microprocessor 10 between reason device 10
It has been internally integrated data storage 9, has been electrically connected between the data storage 9 and the microprocessor 10;Analytical equipment 2 can
To receive data collector 5 in real time by wireless signal and measure strain value, then by microprocessor 10 to strain data into
Row processing is converted to stress value, and stress value can be stored in data storage 9 by staff by operation panel 12,
The reliability of test data is also guaranteed while improving working efficiency.
Further, 9 internal reservoir of data storage has gross data, and the gross data is by bridge finite element fraction
It analyses software and calculates gained;It is compared convenient for analytical equipment 2 is handled obtained stress value with gross data.
Further, first strain gauge 3 is respectively arranged at along bridge lateral away from the 15 bottom surface position 10cm of bottom plate
Place, away from the 13 top surface position 10cm of top plate at, 3 numbers of the first strain gauge described in each cross section no less than 6;So that this
Device can reduce due to strain gauge itself caused by error so that test data is more reliable.
Further, first strain gauge 3, the second strain gauge 4 select flush type vibratory strain ga(u)ge;Therefore strain gauge
The linearity and durability are relatively good.
Further, the compensation block 14 is filled with concrete identical with beam-ends to be poured, the compensation block 14 with it is described
Bridge is in identical temperature humidity and is not acted on by external loads;It is arranged during analytical calculation convenient for analytical equipment 2
The strain generated except strain gauge caused by environment temperature, humidity.
Working principle: firstly, pouring between beam-ends concrete, by the first strain gauge 3 bind respectively in bridge top plate 13,
On reinforcing bar at 15 position of bottom plate, the second strain gauge 4 is placed in barreled container, and by conducting wire draw with data collector 5 into
Row connection, in casting process will in container full of concrete identical with beam-ends as compensation block 14, and place it in and bridge
In identical temperature humidity environment, when the pending subsequent construction stage, staff can according to need collects first in real time
Strain gauge 3 measures the strain of the generation of temperature humidity measured by total strain, the second strain gauge 4, the microprocessor in analytical equipment 2
10 can deduct straining caused by environment temperature, humidity and concrete shrinkage and creep, then be acquired currently by constitutive equation
Construction stage stress variation value, and it is compared with the gross data in data storage 9 finally judges bridge at this time
Whether stress normal, this device greatly reduces the measurement work of staff, and can guarantee test data can
By property.
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 (6)
1. one kind is used for bridge construction intelligence stress monitor device, including test device (1), analytical equipment (2), compensation block
(14), it is characterised in that: the test device (1) is set on bridge, and the analytical equipment (2) is set to monitoring center, institute
It states compensation block (14) to be set to inside the bridge box and beam, passes through nothing between the test device (1) and the analytical equipment (2)
The connection of line signal;The test device (1) is made of the first strain gauge (3), the second strain gauge (4), data collector (5), institute
It states on the reinforcing bar that the first strain gauge (3) is bound respectively at bridge top plate (13), bottom plate (15) position, second strain gauge
(4) it is set in the compensation block (14), the data collector (5) is placed in inside the bridge box and beam, and described first answers
Become between meter (3) and the data collector (5) and be electrically connected, second strain gauge (4) and the data collector (5) it
Between be electrically connected, the data collector (5) is internally provided with signal projector (6).
2. according to claim 1 a kind of for bridge construction intelligence stress monitor device, it is characterised in that: the analysis
Device (2) is internally provided with signal receiver (7), A/D converter (8), microprocessor (10), the signal receiver (7) with
It is electrically connected between the A/D converter (8), is electrically connected between the A/D converter (8) and the microprocessor (10),
The outside of the analytical equipment (2) is provided with display (11), operation panel (12), the display (11) and the micro process
Device is electrically connected between (10), is electrically connected between the operation panel (12) and the microprocessor (10), the micro process
Device (10) has been internally integrated data storage (9), is electrically connected between the data storage (9) and the microprocessor (10)
It connects.
3. according to claim 2 a kind of for bridge construction intelligence stress monitor device, it is characterised in that: the data
Memory (9) internal reservoir has gross data, and the gross data calculates gained by bridge finite element analysis software.
4. according to claim 1 a kind of for bridge construction intelligence stress monitor device, it is characterised in that: described first
Strain gauge (3) along bridge lateral be respectively arranged at away from the bottom plate (15) bottom surface position 10cm, away from the top plate (13) top surface
At the position 10cm, the first strain gauge (3) number described in each cross section is no less than 6.
5. according to claim 1 a kind of for bridge construction intelligence stress monitor device, it is characterised in that: described first
Strain gauge (3), the second strain gauge (4) select flush type vibratory strain ga(u)ge.
6. according to described in claim 1 a kind of for bridge construction intelligence stress monitor device, it is characterised in that: the compensation block
(14) it is filled with concrete identical with beam-ends to be poured, the compensation block (14) and the bridge are in identical temperature humidity
And it is not acted on by external loads.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821940326.2U CN209055826U (en) | 2018-11-23 | 2018-11-23 | One kind being used for bridge construction intelligence stress monitor device |
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CN201821940326.2U CN209055826U (en) | 2018-11-23 | 2018-11-23 | One kind being used for bridge construction intelligence stress monitor device |
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Publication Number | Publication Date |
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CN209055826U true CN209055826U (en) | 2019-07-02 |
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CN201821940326.2U Expired - Fee Related CN209055826U (en) | 2018-11-23 | 2018-11-23 | One kind being used for bridge construction intelligence stress monitor device |
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CN (1) | CN209055826U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111089711A (en) * | 2019-11-25 | 2020-05-01 | 中铁十四局集团第一工程发展有限公司 | Cast-in-place support strain monitoring system and method |
CN112681511A (en) * | 2020-12-14 | 2021-04-20 | 许琦 | Reinforced concrete structure construction method using section steel to replace part of reinforcing steel bars |
CN113280953A (en) * | 2021-04-06 | 2021-08-20 | 丁忠园 | Bridge construction stress detection system based on block chain |
-
2018
- 2018-11-23 CN CN201821940326.2U patent/CN209055826U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111089711A (en) * | 2019-11-25 | 2020-05-01 | 中铁十四局集团第一工程发展有限公司 | Cast-in-place support strain monitoring system and method |
CN111089711B (en) * | 2019-11-25 | 2022-06-10 | 中铁十四局集团第一工程发展有限公司 | Cast-in-place support strain monitoring system and method |
CN112681511A (en) * | 2020-12-14 | 2021-04-20 | 许琦 | Reinforced concrete structure construction method using section steel to replace part of reinforcing steel bars |
CN112681511B (en) * | 2020-12-14 | 2022-05-27 | 许琦 | Reinforced concrete structure construction method using section steel to replace part of reinforcing steel bars |
CN113280953A (en) * | 2021-04-06 | 2021-08-20 | 丁忠园 | Bridge construction stress detection system based on block chain |
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Granted publication date: 20190702 Termination date: 20191123 |
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