CN105890510A - Real-time shift detection device for bridge support - Google Patents
Real-time shift detection device for bridge support Download PDFInfo
- Publication number
- CN105890510A CN105890510A CN201610305632.8A CN201610305632A CN105890510A CN 105890510 A CN105890510 A CN 105890510A CN 201610305632 A CN201610305632 A CN 201610305632A CN 105890510 A CN105890510 A CN 105890510A
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- Prior art keywords
- displacement
- real
- detection apparatus
- time detection
- bridge pad
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a real-time shift detection device for a bridge support, and belongs to the field of bridge detection equipment. The device comprises a horizontal plate (4) fixedly connected with a support lower steel plate (2), a displacement sensor (3) is fixedly arranged on the horizontal plate (4), and a probe of the displacement sensor (3) is fixedly connected with a contact plate (7) in contact with a support (1); the displacement sensor (3) is separately connected with a power supply (6) and a data display instrument (5); and the data display instrument (5) is connected with the power supply (6). The device can monitor the shifting support in real time to prevent a bridge from being damaged due to excessive shift of the bridge support and is small in floor space, convenient to install, low in cost and anticorrosive, and each component can be recycled.
Description
Technical field
The present invention relates to Bridge Testing Equipment field, particularly to a kind of bridge pad displacement real-time detection apparatus.
Background technology
Bridge pad is in the critical positions of bridge upper and lower part structure junction point; it is mainly used to superstructure load is delivered to substructure; allow superstructure Free Transform (including axial stretching and rotation) under the factor effects such as load, variations in temperature, concrete shrinkage and creep; the actual loading situation making structure meets design rated figure, and protection beam-ends, pier cap are injury-free.
Bridge pad is typically made up of elastomeric material, and bearing is equipped with steel plate up and down, i.e. bearing upper steel plate and bearing lower steel plate.But in use, due to design, construction and material aging, tend to occur the situation of bearing displacement.
The displacement of bearing easily causes seat empty, will increase the pressure that local is born, then due to the repeated action of load, causes beam slab to produce vibration, finally make the serviceability of bridge be destroyed.Thus, the phenomenon excessive to bridge pad displacement, it is necessary to find timely, carry out reset processing.
In the middle of the maintenance of bridge, river crossed over by a lot of bridges, mountain valley, highway etc., bridge pier is higher, and the disease of bearing off normal is difficult to directly be found by naked eyes, but use bridge inspection vehicle to carry out the cost of regular inspection generally the biggest (machine-team about 10,000 yuan), slight bearing displacement, can affect the least on the normal usage of bridge structure, only excessive when bearing displacement, the when of more than a threshold value, the serviceability of bridge can be damaged.The development of anything is all by the process of quantitative change to qualitative change, so during the periodic detection of bridge, how the bearing having occurred and that displacement is monitored in real time, find that the excessive bearing of off normal carries out reset processing the most in time, in case floorings occur to destroy aobvious particularly important.
Summary of the invention
In order to make up the deficiencies in the prior art, the invention provides a kind of bridge pad displacement real-time detection apparatus.
The technical scheme is that
A kind of bridge pad displacement real-time detection apparatus, including the horizontal plate 4 that be connected fixing with bearing lower steel plate 2, described horizontal plate 4 is fixedly installed displacement transducer 3, and the probe of institute's displacement sensors 3 is fixedly connected with the contact plate 7 contacted with bearing 1；Institute's displacement sensors 3 connects with power supply 6 and digital display meter 5 respectively；Described digital display meter 5 connects with power supply 6.
When specifically installing, can extension lead, power supply 6 and digital display meter 5 are placed on the place of easily observation, and take protective measure.
Data bound can be set on digital display meter 5, when displacement is excessive, exceedes limit value, then can alarm, colleague can connect buzzer, send chimes of doom, in order to remind maintenance personnel carry out bridge maintaining, prevent bridge collapse accident from occurring.
Digital display meter 5 is also connected to computer, after corresponding software installed by computer, can measure Real Time Observation and the transmission of data.
Power supply configures according to the electric demand of displacement transducer 3 and digital display meter 5, can be that common rechargeable 24V accumulator is alternatively solar storage battery.
Preferably, described contact plate 7 is rectangular or circular arc.When bearing 1 is cuboid, contact plate 7 is rectangular, and when bearing 1 is cylindrical, contact plate 7 is curved.Displacement signal, in order to increase the contact area of contact plate 7 and bearing 1, no matter which position is subjected to displacement skew, can be transferred to the probe of displacement transducer 3 by this setting.
Preferably, described contact plate 7 is by being unlikely to deform and corrosion resistant sheet metal is prepared from.It is further preferred that contact plate 7 is made up of lightweight, corrosion-resistant and on-deformable metal material, such as zinc-plated tagger.
Preferably, described contact plate 7 is provided with union joint 8；Described contact plate 7 is detachably fixed by the probe of union joint 8 with displacement transducer 3 and is connected.
Preferably, described horizontal plate 4 is steel plate.
Preferably, institute's displacement sensors 3 is fixed by screws on horizontal plate 4.The Main Function of horizontal plate 4 is fixed displacement sensor 3, it is ensured that with bearing 1 in one plane, horizontal plate 4 can align with the outer edge of bearing lower steel plate 2 and be welded to connect displacement transducer 3.
Preferably, institute's displacement sensors 3 is self-resetting type displacement transducer.Displacement transducer 3 is that built-in spring can automatically reset self-resetting type displacement transducer.
Preferably, described digital display meter 5 shows instrument for XST displacement.
Further, described digital display meter 5 has adjusting function and numeral filter function and possesses Multiple Dots Alarm Rules output.
The invention have the benefit that
The bearing producing displacement can not only be monitored by the present invention in real time, prevents the bridge collapse caused because of bridge pad displacement；And it is little to take up room, easy for installation, cost is little, corrosion-resistant, and wherein equipment can utilize with repetitive cycling.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of structural representation of bridge pad of the present invention displacement real-time detection apparatus；
Fig. 2 is the structural representation of contact plate in the displacement real-time detection apparatus of bridge pad shown in Fig. 1；
Fig. 3 is the another kind of structural representation of bridge pad of the present invention displacement real-time detection apparatus；
Fig. 4 is the structural representation of contact plate in the displacement real-time detection apparatus of bridge pad shown in Fig. 3.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of bridge pad displacement real-time detection apparatus, including the horizontal plate 4 that be connected fixing with bearing lower steel plate 2, horizontal plate 4 is steel plate.
It is fixedly installed displacement transducer 3 by screw on horizontal plate 4.The Main Function of horizontal plate 4 is fixed displacement sensor 3, it is ensured that with bearing 1 in one plane, horizontal plate 4 can align with the outer edge of bearing lower steel plate 2 and be welded to connect displacement transducer 3.Wherein, displacement transducer 3 is that built-in spring can automatically reset self-resetting type displacement transducer.Such as, KTR type displacement transducer.Used by the present embodiment, the parameter of KTR type displacement transducer is as shown in table 1:
The parameter list of KTR type displacement transducer used by table 1 the present embodiment
The probe of displacement transducer 3 is only a round end, and investigative range is the least.In order to increase the contact area of bearing 1 and displacement transducer 3, the probe of displacement transducer 3 is detachably fixed connection contact plate 7 by union joint 8.Contact plate 7 is rectangular or circular arc.As shown in Figure 3, Figure 4, when bearing 1 is cuboid, contact plate 7 is rectangular.As shown in Figure 1 and Figure 2, when bearing 1 is cylindrical, contact plate 7 is curved.The arrangement increases the contact area of contact plate 7 and bearing 1, no matter which position is subjected to displacement skew, displacement signal can be transferred to the probe of displacement transducer 3.It addition, contact plate 7 is made up of lightweight, corrosion-resistant and on-deformable metal material, such as zinc-plated tagger.
Displacement transducer 3 connects with power supply 6 and digital display meter 5 respectively；Digital display meter 5 connects with power supply 6.
When specifically installing, can extension lead, power supply 6 and digital display meter 5 are placed on the place of easily observation, and take protective measure.
Digital display meter is that XST displacement shows instrument.XST displacement display instrument coordinates with sensor, the transmitter of all kinds of analog outputs, completes temperature, pressure, flow, liquid level, composition and the measurement of the physical quantity such as power and displacement, converts, shows, transmits, records and control.
In the present embodiment, the design parameter of digital display meter is as follows:
A. error is less than 0.2%F.S, and possesses adjustment, digital filtering function, can help to reduce sensor, the error of transmitter, be effectively improved the measurement of system, control accuracy.
B. the signal types such as voltage, electric current, thermal resistance, thermocouple, mV, potentiometer, distance-transmission pressure gauge it are applicable to.
C. at most reporting to the police up to 8 and export, optional 10 kinds of type of alarms, warning sensitivity independently sets.Possess delayed alarm function, effectively prevent the reasons such as interference from causing wrong report.
D. the show value after measuring, converting can be exported for miscellaneous equipment by pick-up output with normalized current, voltage form
E. all-transparent, at a high speed, efficient networking communication interface, it is achieved computer and instrument cubicle data transmission completely and control.Exclusive control right transfer function makes the computer can the directly warning output of control instrument and pick-up output.Read the time of one-shot measurement data less than 10ms.Test software, configuration software and application software technology support are provided.
F.BCD code interface
G. possess printing interface and the print unit of band hardware clock, it is achieved manually, regularly, print-on-alarm function, if apolegamy Intelligent printing unit, multiple stage instrument can be realized and share a printer.
Data bound can be set on digital display meter 5, when displacement is excessive, exceedes limit value, then can alarm, colleague can connect buzzer, send chimes of doom, in order to remind maintenance personnel carry out bridge maintaining, prevent Bridge Accidents from occurring.
Digital display meter 5 is also connected to computer, after corresponding software installed by computer, can measure Real Time Observation and the transmission of data.
Power supply configures according to the electric demand of displacement transducer 3 and digital display meter 5, can be that common charging battery is alternatively solar storage battery.
Claims (9)
1. a bridge pad displacement real-time detection apparatus, it is characterized in that: include the horizontal plate (4) that be connected fixing with bearing lower steel plate (2), being fixedly installed displacement transducer (3) on described horizontal plate (4), the probe of institute's displacement sensors (3) is fixedly connected with the contact plate (7) contacted with bearing (1)；Institute's displacement sensors (3) connects with power supply (6) and digital display meter (5) respectively；Described digital display meter (5) connects with power supply (6).
2. as claimed in claim 1 bridge pad displacement real-time detection apparatus, it is characterised in that: described contact plate (7) is rectangular or circular arc.
3. as claimed in claim 2 bridge pad displacement real-time detection apparatus, it is characterised in that: described contact plate (7) is by being unlikely to deform and corrosion resistant sheet metal is prepared from.
4. bridge pad shifts real-time detection apparatus as claimed in claim 1 or 2, it is characterised in that: described contact plate (7) is provided with union joint (8)；Described contact plate (7) is detachably fixed by the probe of union joint (8) with displacement transducer (3) and is connected.
5. bridge pad shifts real-time detection apparatus as claimed in claim 1, it is characterised in that: described horizontal plate (4) is steel plate.
6. bridge pad displacement real-time detection apparatus as described in claim 1 or 5, it is characterised in that: institute's displacement sensors (3) is fixed by screws on horizontal plate (4).
7. bridge pad shifts real-time detection apparatus as claimed in claim 1, it is characterised in that: institute's displacement sensors (3) is self-resetting type displacement transducer.
8. bridge pad displacement real-time detection apparatus as described in claim 1 or 7, it is characterised in that: described digital display meter (5) is that XST displacement shows instrument.
9. bridge pad shifts real-time detection apparatus as claimed in claim 8, it is characterised in that: described digital display meter (5) has adjusting function and numeral filter function and possesses Multiple Dots Alarm Rules output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305632.8A CN105890510A (en) | 2016-05-10 | 2016-05-10 | Real-time shift detection device for bridge support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305632.8A CN105890510A (en) | 2016-05-10 | 2016-05-10 | Real-time shift detection device for bridge support |
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| CN105890510A true CN105890510A (en) | 2016-08-24 |
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| CN201610305632.8A Pending CN105890510A (en) | 2016-05-10 | 2016-05-10 | Real-time shift detection device for bridge support |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168487A (en) * | 2017-12-29 | 2018-06-15 | 哈尔滨工大航博科技有限公司 | A kind of arm-type precision centrifuge Dynamic Radius measuring mechanism |
| CN109839054A (en) * | 2019-04-20 | 2019-06-04 | 河南工程学院 | A kind of visualization bridge deformation monitoring system |
| CN111351899A (en) * | 2020-03-31 | 2020-06-30 | 山东大学 | Monitoring system and method for offshore submarine landslide physical model test |
| CN112880544A (en) * | 2021-01-13 | 2021-06-01 | 马洲 | Bridge expansion joint alarm device for road engineering |
| CN113445414A (en) * | 2021-07-21 | 2021-09-28 | 浙江中路交通设计有限公司 | Bridge seismic strengthening support and assembling working method thereof |
| CN115876070A (en) * | 2023-03-03 | 2023-03-31 | 长安大学 | Monitoring and early warning device for bridge steel plate buckling deformation in fire and installation method |
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| JPS5885607U (en) * | 1981-11-30 | 1983-06-10 | 合田 恵二郎 | Rubber bearing with strain gauge for detecting reaction force of structure bearing |
| CN202274857U (en) * | 2011-08-31 | 2012-06-13 | 王瑜 | Concrete formwork deformation monitoring alarm |
| CN202836497U (en) * | 2012-09-03 | 2013-03-27 | 宝钢集团新疆八一钢铁有限公司 | Improved displacement sensor |
| CN203129006U (en) * | 2013-02-04 | 2013-08-14 | 同济大学 | Intelligent support system |
| CN203732012U (en) * | 2013-11-29 | 2014-07-23 | 上海雷尼威尔技术有限公司 | Displacement sensor used for on-site value reading |
| CN205619870U (en) * | 2016-05-10 | 2016-10-05 | 济南城建集团有限公司 | Bridge beam supports aversion real -time detection device |
-
2016
- 2016-05-10 CN CN201610305632.8A patent/CN105890510A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5885607U (en) * | 1981-11-30 | 1983-06-10 | 合田 恵二郎 | Rubber bearing with strain gauge for detecting reaction force of structure bearing |
| CN202274857U (en) * | 2011-08-31 | 2012-06-13 | 王瑜 | Concrete formwork deformation monitoring alarm |
| CN202836497U (en) * | 2012-09-03 | 2013-03-27 | 宝钢集团新疆八一钢铁有限公司 | Improved displacement sensor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168487A (en) * | 2017-12-29 | 2018-06-15 | 哈尔滨工大航博科技有限公司 | A kind of arm-type precision centrifuge Dynamic Radius measuring mechanism |
| CN109839054A (en) * | 2019-04-20 | 2019-06-04 | 河南工程学院 | A kind of visualization bridge deformation monitoring system |
| CN109839054B (en) * | 2019-04-20 | 2021-01-08 | 河南工程学院 | Visual bridge deformation monitoring system |
| CN111351899A (en) * | 2020-03-31 | 2020-06-30 | 山东大学 | Monitoring system and method for offshore submarine landslide physical model test |
| CN112880544A (en) * | 2021-01-13 | 2021-06-01 | 马洲 | Bridge expansion joint alarm device for road engineering |
| CN112880544B (en) * | 2021-01-13 | 2022-09-09 | 马洲 | Bridge expansion joint alarm device for road engineering |
| CN113445414A (en) * | 2021-07-21 | 2021-09-28 | 浙江中路交通设计有限公司 | Bridge seismic strengthening support and assembling working method thereof |
| CN113445414B (en) * | 2021-07-21 | 2022-09-30 | 浙江中路交通设计有限公司 | Working method of bridge seismic strengthening support |
| CN115876070A (en) * | 2023-03-03 | 2023-03-31 | 长安大学 | Monitoring and early warning device for bridge steel plate buckling deformation in fire and installation method |
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Application publication date: 20160824 |
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