CN208105020U - Bridge construction stage Temporary Piers support reaction monitoring device - Google Patents
Bridge construction stage Temporary Piers support reaction monitoring device Download PDFInfo
- Publication number
- CN208105020U CN208105020U CN201721741972.1U CN201721741972U CN208105020U CN 208105020 U CN208105020 U CN 208105020U CN 201721741972 U CN201721741972 U CN 201721741972U CN 208105020 U CN208105020 U CN 208105020U
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- China
- Prior art keywords
- temporary piers
- displacement meter
- meter
- support reaction
- transverse distribution
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- Bridges Or Land Bridges (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of bridge construction stage Temporary Piers support reaction monitoring device, is provided with transverse distribution beam between the top of adjacent steel pipe Temporary Piers；One group of surface strain meter is laid from center to upper and lower two sides at the span centre of transverse distribution beam side；In transverse distribution soffit from laying one group of displacement meter to both ends at span centre；Displacement meter is fixed by displacement meter bracket, and displacement meter bracket both ends are separately fixed on two adjacent steel pipe Temporary Piers；Displacement meter, surface strain meter are connect by signal wire with strain acquirement instrument, strain acquirement instrument is transferred to data processing system after converting the signal that displacement meter, surface strain meter acquire, and data processing system goes out the support reaction of steel pipe Temporary Piers by the Deformation calculation of collected transverse distribution beam.For the utility model when steel pipe Temporary Piers top carries out main girder construction, girder load makes transverse distribution beam deformed, by test transverse distribution deflection of beam stress, amount of deflection can inverse pier top support reaction at this, and manufacturing cost is cheap, data are accurate in real time.
Description
Technical field：
The utility model relates to Temporary Piers counter-force the field of test technology, in particular to a kind of bridge construction stage Temporary Piers branch
Counter-force monitoring device.
Background technique：
In bridge construction, the interim bridge pier set up for structure stress and safely is seen everywhere.Temporary Piers are as lower part
The important component of support construction, its effect, importance and main pier have par during pushing tow.In girder steel pushing tow
In the process, not only support reaction changes greatly Temporary Piers, and pressure pattern is changeable.No. 3 Temporary Piers of such as flat victory bridge are in girder
Support reaction reaches maximum when pushing tow is to 165 operating condition, and value is 12000kN or so, in the 200th~the 285th operating condition of girder pushing tow
When support reaction be zero；For the L2 Temporary Piers of two or seven Yangtze Bridge when girder is total to pushing tow 140m operating condition, girder is to L2 Temporary Piers slideway
Pressure be uniformly abound with slideway length, but when girder is total to pushing tow 180m operating condition (not crossing pier), girder is to L2 Temporary Piers slideway
Pressure is two-fold line load and load length only has 80cm or so.
On the other hand, although having carried out intensity and stability meter to interim pier structure in main beam supporting or before pouring
Calculate, but engineering in practice, often due to exploration is insufficient, so that how much the parameter and theoretical value of the soil body will appear deviation.For
For the sake of safety, the bridge construction being placed on for a long time on Temporary Piers especially for girder very must to the monitoring of Temporary Piers counter-force
It wants.The construction technology in China realized rapid development in recent years, but to still no at present specific of the monitoring of Temporary Piers counter-force
Method.
Summary of the invention：
The purpose of this programme is to provide a kind of bridge construction stage Temporary Piers support reaction monitoring device, to solve due to calculating
Error and the excessive bring damage of support reaction caused by the different construction stages.
A kind of bridge construction stage Temporary Piers support reaction monitoring device, including：Displacement meter, surface strain meter, strain acquirement
Instrument, data processing system, displacement meter bracket, power supply unit；Wherein, transverse direction is provided between the top of adjacent steel pipe Temporary Piers
Distribution beam；One group of surface strain meter, and transverse distribution are laid from center to upper and lower two sides at the span centre of transverse distribution beam side
The center position of beam upper and lower side lays a surface strain meter；In transverse distribution soffit from laying one group of position to both ends at span centre
Meter is moved, and a displacement meter is laid in transverse distribution soffit span centre position；Displacement meter is fixed by displacement meter bracket, displacement meter branch
Frame both ends are separately fixed on two adjacent steel pipe Temporary Piers；Displacement meter, surface strain meter pass through signal wire and strain acquirement instrument
Connection, strain acquirement instrument are transferred to data processing system, data processing after converting the signal that displacement meter, surface strain meter acquire
System goes out the support reaction of steel pipe Temporary Piers by the Deformation calculation of collected transverse distribution beam；Power supply unit is used for as displacement
Meter, surface strain meter, strain acquirement instrument provide electric power.
Preferably, data processing system is fixed on steel pipe Temporary Piers.
Preferably, bridge construction stage Temporary Piers support reaction monitoring device further includes wireless signal transceiver, and strain is adopted
Collection instrument is transferred at the data of distal end after converting the signal that displacement meter, surface strain meter acquire by wireless signal transceiver
Reason system；Wireless signal transceiver is powered by power supply unit.
Preferably, power supply unit includes rechargeable battery, charging circuit, photovoltaic mould group；Photovoltaic mould group electricity passes through charging
Circuit is that rechargeable battery charges to solve the problems, such as building site breakpoint.
Preferably, displacement is calculated as 3, and the displacement meter for being located at two sides is separately positioned on 1/4 away from adjacent steel pipe Temporary Piers
Place.
Preferably, surface strain is calculated as 3, and the surface strain meter for being located at two sides is separately positioned on the 1/4 of upper and lower two sides
Place.
Preferably, data processing system is personal computer system or the PLC with display panel.Data processing system is logical
It crosses force equation and calculates steel pipe Temporary Piers support reaction, and shown by display panel, issued when support reaction is more than preset value
Alarm.
For the utility model when steel pipe Temporary Piers top carries out main girder construction, girder load becomes transverse distribution beam deflection
Shape, by test transverse distribution deflection of beam stress, amount of deflection can inverse pier top support reaction at this, and manufacturing cost is cheap, data
It is accurate in real time.
Detailed description of the invention：
Attached drawing 1 is the structural representation of the bridge construction stage Temporary Piers support reaction monitoring device of a width better embodiment
Figure.
In figure：Displacement meter 1, surface strain meter 2, strain acquirement instrument 3, data processing system 4, displacement meter bracket 5, for Denso
Set 6, steel pipe Temporary Piers 8, transverse distribution beam 9.
Specific embodiment：
As shown in Fig. 1, a kind of bridge construction stage Temporary Piers support reaction monitoring device, including：Displacement meter 1, surface are answered
Become meter 2, strain acquirement instrument 3, data processing system 4, displacement meter bracket 5, power supply unit 6；Wherein, in adjacent steel pipe Temporary Piers 8
Top between be provided with transverse distribution beam 9；One group is laid from center to upper and lower two sides at the span centre of 9 side of transverse distribution beam
Surface strain meter 2, and the center position of 9 upper and lower side of transverse distribution beam lays a surface strain meter 2；At 9 bottom of transverse distribution beam
Face is from laying one group of displacement meter 1 to both ends at span centre, and a displacement meter 1 is laid in 9 bottom surface span centre position of transverse distribution beam；Displacement
Meter 1 is fixed by displacement meter bracket 5, and 5 both ends of displacement meter bracket are separately fixed on two adjacent steel pipe Temporary Piers 8；Displacement meter
1, surface strain meter 2 is connect by signal wire (figure middle polyline) with strain acquirement instrument 3, and strain acquirement instrument 3 is by displacement meter 1, surface
It is transferred to data processing system 4 after the signal conversion that strain gauge 2 acquires, data processing system 4 passes through collected transverse distribution
The Deformation calculation of beam 9 goes out the support reaction of steel pipe Temporary Piers 8；Power supply unit 6 is 2 based on for displacement meter 1, surface strain, strain
Acquisition Instrument 3 provides electric power.
In the present embodiment, data processing system 4 is fixed on steel pipe Temporary Piers 8；Power supply unit 6 includes charging electricity
Pond, charging circuit, photovoltaic mould group；Photovoltaic mould group electricity is that rechargeable battery charges to solve building site breakpoint by charging circuit
Problem.Displacement meter 1 is 3, and the displacement meter 1 for being located at two sides is separately positioned at 1/4 away from adjacent steel pipe Temporary Piers 8.Surface
Strain gauge 2 is 3, and the surface strain meter 2 for being located at two sides is separately positioned at the 1/4 of upper and lower two sides.Data processing system 4 is
Personal computer system or PLC with display panel.
In another embodiment, bridge construction stage Temporary Piers support reaction monitoring device further includes wireless signal transmitting-receiving
Device, the signal that strain acquirement instrument 3 acquires displacement meter 1, surface strain meter 2 are transmitted after converting by wireless signal transceiver
To the data processing system of distal end；Wireless signal transceiver is powered by power supply unit 6.
Claims (7)
1. a kind of bridge construction stage Temporary Piers support reaction monitoring device, which is characterized in that including：Displacement meter, surface strain meter,
Strain acquirement instrument, data processing system, displacement meter bracket, power supply unit；Wherein, in the structure of an essay at the top of adjacent steel pipe Temporary Piers
Equipped with transverse distribution beam；One group of surface strain meter is laid from center to upper and lower two sides at the span centre of transverse distribution beam side, and
The center position of transverse distribution beam upper and lower side lays a surface strain meter；Transverse distribution soffit from span centre to both ends cloth
If one group of displacement meter, and a displacement meter is laid in transverse distribution soffit span centre position；Displacement meter is fixed by displacement meter bracket,
Displacement meter bracket both ends are separately fixed on two adjacent steel pipe Temporary Piers；Displacement meter, surface strain meter pass through signal wire and answer
Becoming Acquisition Instrument connection, strain acquirement instrument is transferred to data processing system after converting the signal that displacement meter, surface strain meter acquire,
Data processing system goes out the support reaction of steel pipe Temporary Piers by the Deformation calculation of collected transverse distribution beam；Power supply unit is used
In providing electric power for displacement meter, surface strain meter, strain acquirement instrument.
2. bridge construction stage Temporary Piers support reaction monitoring device as described in claim 1, which is characterized in that data processing system
System is fixed on steel pipe Temporary Piers.
3. bridge construction stage Temporary Piers support reaction monitoring device as described in claim 1, which is characterized in that bridge construction rank
Section Temporary Piers support reaction monitoring device further includes wireless signal transceiver, and strain acquirement instrument adopts displacement meter, surface strain meter
The data processing system of distal end is transferred to after the signal conversion of collection by wireless signal transceiver；Wireless signal transceiver by
Power supply unit power supply.
4. bridge construction stage Temporary Piers support reaction monitoring device as claimed in claim 2 or claim 3, which is characterized in that for Denso
It sets including rechargeable battery, charging circuit, photovoltaic mould group；Photovoltaic mould group electricity is rechargeable battery charging by charging circuit.
5. the bridge construction stage Temporary Piers support reaction monitoring device as described in claims 1 to 3 any one, feature exist
In displacement is calculated as 3, and the displacement meter for being located at two sides is separately positioned at 1/4 away from adjacent steel pipe Temporary Piers.
6. the bridge construction stage Temporary Piers support reaction monitoring device as described in claims 1 to 3 any one, feature exist
In surface strain is calculated as 3, and the surface strain meter for being located at two sides is separately positioned at the 1/4 of upper and lower two sides.
7. bridge construction stage Temporary Piers support reaction monitoring device as claimed in claim 2 or claim 3, which is characterized in that at data
Reason system is personal computer system or the PLC with display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741972.1U CN208105020U (en) | 2017-12-14 | 2017-12-14 | Bridge construction stage Temporary Piers support reaction monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741972.1U CN208105020U (en) | 2017-12-14 | 2017-12-14 | Bridge construction stage Temporary Piers support reaction monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208105020U true CN208105020U (en) | 2018-11-16 |
Family
ID=64130824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721741972.1U Expired - Fee Related CN208105020U (en) | 2017-12-14 | 2017-12-14 | Bridge construction stage Temporary Piers support reaction monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208105020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362007A (en) * | 2020-09-19 | 2021-02-12 | 郑州大学 | Pipeline bracket safety real-time monitoring and early warning system |
-
2017
- 2017-12-14 CN CN201721741972.1U patent/CN208105020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362007A (en) * | 2020-09-19 | 2021-02-12 | 郑州大学 | Pipeline bracket safety real-time monitoring and early warning system |
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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: 20181116 Termination date: 20191214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |