CN207277179U - A kind of bridge overload early warning bearing - Google Patents
A kind of bridge overload early warning bearing Download PDFInfo
- Publication number
- CN207277179U CN207277179U CN201721168013.5U CN201721168013U CN207277179U CN 207277179 U CN207277179 U CN 207277179U CN 201721168013 U CN201721168013 U CN 201721168013U CN 207277179 U CN207277179 U CN 207277179U
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- support body
- bridge
- early warning
- steel
- steel plate
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Abstract
A kind of bridge overload early warning bearing is the utility model is related to, including upper steel plate, support body and lower steel plate, the lower steel plate are concave surface steel basin, set upper convex surface to rotate steel basin between support body and concave surface steel basin；The inductance bridge for sensing support body displacement is provided with support body, and is inductance bridge power supply and the inductance bridge supply lines and data cable of data transfer.The overload early warning bridge pad of the utility model can in vehicle travel process dynamic detection weight, monitor the bearing capacity of bridge in real time, improve bridge security operation and the degree of safety of itself, it is effective to reduce the bridge deformation caused by bridge overloads and collapse, reduce the fund of maintenance and the reconstruction of bridge.
Description
Technical field
It the utility model is related to technical field of bridge engineering, and in particular to a kind of bridge overload early warning bearing.
Background technology
In recent years, with the development of economy and society, bridge transportation vehicle to maximize, pulling, containerzation direction hair
Exhibition.Driven by interests, the overload transportation car travelled on bridge increases year by year, causes serious social danger.Massive overload is transported
Defeated vehicle has directly threatened the bridge security in China, and there are serious safety hazards.Caused by overloaded vehicle bridge
Destruction is recessive and accumulation property, and accumulation can cause destruction, the annual expense that can all appropriate huge number of country to a certain extent
Bridge is safeguarded, but thus trigger bridge break, car crash when accident still can when and occur.And existing bridge overload
Monitoring device is difficult the situation of real-time monitoring bridge floor, improves bridge security operation and the degree of safety of itself.So it is badly in need of a kind of bridge
Beam overloads early warning bearing to solve the above problems.
The content of the invention
The purpose of this utility model is to provide a kind of bridge overload early warning bearing, can dynamically be examined in vehicle travel process
Measured weight, monitors the bearing capacity of bridge in real time.
Technical solution is used by the utility model：
A kind of bridge overload early warning bearing, including upper steel plate, support body and lower steel plate, it is characterised in that：
The lower steel plate is concave surface steel basin, sets upper convex surface to rotate steel basin between support body and concave surface steel basin；
The inductance bridge for sensing support body displacement is provided with support body, and powers and counts for inductance bridge
According to the inductance bridge supply lines and data cable of transmission.
Support body shape is integrally cylindrical；Outermost layer is bearing ring in support body, is the cylindrical shape with top plate
Structure；Innermost layer is bearing ring under support body, and columnar structured with top plate；Bearing ring and bearing in support body
The support body deformable ribs of annular are provided with body between bearing ring；
Bearing ring top board undersurface does not connect on the top and support body of bearing ring and support body deformable ribs under support body
Connect and remaining have deformation space.
Vertical support body opening slot is evenly arranged in support body deformable ribs ring week, between support body opening slot
Form deformable ribs.
The lower surface that upper convex surface rotates steel basin is convex spherical, and cylinder steel pin, cylinder steel pin are provided among upper surface
It is inserted under support body in bearing ring.
Tetrafluoro slide plate is provided between upper steel plate and support body；
Upper convex surface rotates and is provided with lower tetrafluoro slide plate between steel basin and concave surface steel basin.
Upper steel plate edge is provided with preformed hole, is connected by upper anchor bolt with bridge floor girder；
Concave surface steel basin is fixed by lower anchor bolt and bridge floor pier.
Be provided with inductance bridge the foil gauge that can be extended after being under pressure and for measure support body deformable ribs because
The temperature-compensating plate of strain caused by temperature；
Strain gauge adhesion is in the deformable ribs of support body deformable ribs；
Temperature-compensating plate is pasted in support body perforate groove sidewall.
Upper steel plate bottom surface is concave groove, and support body top surface shape adapts to therewith.
The utility model has the following advantages：
A kind of bridge overload early warning seat structure that the utility model is related to, the dynamic detection weight in vehicle travel process
Amount, monitors the bearing capacity of bridge in real time, improves bridge security operation and the degree of safety of itself, effective to reduce because bridge overloads
Caused by bridge deformation and collapse, reduce the fund of maintenance and the reconstruction of bridge.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is structure diagram after the utility model is pressurized.
Fig. 3 is the overlooking the structure diagram of the utility model support body.
Fig. 4 is the overlooking the structure diagram of the utility model upper steel plate.
Fig. 5 is the circuit diagram of the utility model inductance bridge.
In figure, the upper anchor bolts of 1-, 2- upper steel plates, the upper tetrafluoro slide plates of 3-, 4- support bodies, the upper convex surface rotation steel basins of 5-,
Tetrafluoro slide plate under 6-, 7- concave surface steel basins, anchor bolt, 9- inductance bridges supply lines and data cable under 8-, 10- inductance bridges,
11- preformed holes, 12- foil gauges, 13- temperature-compensating plates, bearing ring in 14- support bodies, 15- support body deformable ribs, 16- branch
Seat body opening slot, bearing ring under 17- support bodies.
Embodiment
The utility model is described in detail with reference to embodiment.
A kind of bridge overload early warning bearing, including upper steel plate 2, support body 4 and lower steel plate are the utility model is related to, it is described
Lower steel plate is concave surface steel basin 7, sets upper convex surface to rotate steel basin 5 between support body 4 and concave surface steel basin 7.Upper steel plate 2 and branch
Tetrafluoro slide plate 3 is provided between seat body 4, upper convex surface rotates and is provided with lower tetrafluoro slide plate between steel basin 5 and concave surface steel basin 7
6, it is to reduce frictional force and set.
2 edge of upper steel plate is provided with preformed hole 11, is connected by upper anchor bolt 1 with bridge floor girder；Concave surface steel basin 7 is logical
Anchor bolt 8 is crossed down to fix with bridge floor pier.
2 bottom surface of upper steel plate is alternatively concave groove, and 4 top surface shape of support body adapts to therewith, forms bispherical knot up and down
Configuration formula.
The inductance bridge 10 for sensing 4 displacement of support body is provided with support body 4, and is supplied for inductance bridge 10
The inductance bridge supply lines and data cable 9 of electricity and data transfer.Inductance bridge 10 is by 4 foil gauges 12 and 2 temperature-compensatings
One group of Wheatstone bridge of piece 13 and a collection of diode and measuring resistance composition, the foil gauge 12 in inductance bridge 10 are being subject to
It can be extended after pressure.During implementation, when the change in displacement produced by pressure or other reasons occurs for bridge floor girder, it can cause and bridge floor
2 run-off the straight of the upper steel plate change of girder connection, and being arranged on the upper tetrafluoro slide plate 3 between upper steel plate 2 and support body 4 can subtract
Few horizontal frictional force so that produce horizontal displacement between upper steel plate 2 and support body 4, prevent the bias to vertical force with this
The influence of measurement, when receiving vertical force change, the lower tetrafluoro slide plate 6 that is arranged between convex surface steel basin 5 and concave surface steel basin 7
The frictional force of vertical rotating can be reduced, as described in Figure 2, upper convex surface, which rotates steel basin 5, to have support body 4 support force, make
The inductance bridge 10 that must be arranged in support body 4（As shown in Figure 5）Foil gauge 12 elongation change resistance, cause output electricity
Pressure changes, so that detection data are produced, and the data collected can be by using inductance bridge data line transfer to outside
Computer, carries out data processing and analyzes the pressure and change in displacement situation of bridge.
4 shape of support body is integrally cylindrical, and outermost layer is bearing ring 14 in support body, is the cylinder with top plate
Shape structure, innermost layer are bearing ring 17 under support body, and columnar structured with top plate.Bearing ring 14 in support body
And the support body deformable ribs 15 of annular are provided with support body between bearing ring 17, ring Zhou Jun in support body deformable ribs 15
It is even to be disposed with support body opening slot 16.The top and support body of bearing ring 17 and support body deformable ribs 15 under support body
Upper 14 top board undersurface of bearing ring is not connected to and remaining has deformation space.
It is convex spherical that upper convex surface, which rotates 5 lower surface of steel basin, is cylinder steel pin among upper surface, be can be inserted under support body
In bearing ring 17.The vertical counter-force of bridge substructure pier passes to upper convex surface by concave surface steel basin 7 and lower tetrafluoro slide plate 6
Rotate steel basin 5.Upper convex surface rotates steel basin 5 and is inserted into by top under support body in bearing ring 17, and the vertical counter-force of pier is passed
Support body 4 is passed, while causes the support body deformable ribs 15 of support body 4 that detrusion occurs.Set in support body 4
Support body opening slot 16 be conducive to support body deformable ribs 15 and produce more uniform detrusion, improve measurement accuracy.
4 foil gauges 12 are pasted on four ribs of support body deformable ribs 15 by specific glue and barbola work, are used
The shear strain that support body deformable ribs 15 caused by vertical counter-force in measurement pier occur.Temperature-compensating plate 13 is pasted on branch
On 16 side wall of seat body opening slot, strained for measuring support body deformable ribs 15 caused by temperature.
The content of the utility model is not limited to cited by embodiment, and those of ordinary skill in the art are new by reading this practicality
Type specification and any equivalent conversion taken technical solutions of the utility model, are the claim institute of the utility model
Cover.
Claims (8)
- The early warning bearing 1. a kind of bridge overloads, including upper steel plate（2）, support body（4）And lower steel plate, it is characterised in that：The lower steel plate is concave surface steel basin（7）, support body（4）With concave surface steel basin（7）Between set upper convex surface to rotate steel Basin（5）；Support body（4）On be provided with for sensing support body（4）The inductance bridge of displacement（10）, and be inductance bridge （10）Power supply and the inductance bridge supply lines and data cable of data transfer（9）.
- A kind of 2. bridge overload early warning bearing according to claim 1, it is characterised in that：Support body（4）Shape is integrally cylindrical；Outermost layer is bearing ring in support body（14）, it is the cylinder with top plate Shape structure；Innermost layer is bearing ring under support body（17）, and it is columnar structured with top plate；Bearing ring in support body （14）With bearing ring under support body（17）Between be provided with annular support body deformable ribs（15）；Bearing ring under support body（17）With support body deformable ribs（15）Top and support body on bearing ring（14）Top plate Bottom surface is not connected to and remaining has deformation space.
- A kind of 3. bridge overload early warning bearing according to claim 2, it is characterised in that：Support body deformable ribs（15）Upper ring week is evenly arranged vertical support body opening slot（16）, support body opening slot （16）Between form deformable ribs.
- A kind of 4. bridge overload early warning bearing according to claim 2, it is characterised in that：Upper convex surface rotates steel basin（5）Lower surface be convex spherical, cylinder steel pin is provided among upper surface, cylinder steel pin is inserted Enter bearing ring under support body（17）It is interior.
- A kind of 5. bridge overload early warning bearing according to claim 1, it is characterised in that：Upper steel plate（2）With support body（4）Between be provided with tetrafluoro slide plate（3）；Upper convex surface rotates steel basin（5）With concave surface steel basin（7）Between be provided with lower tetrafluoro slide plate（6）.
- A kind of 6. bridge overload early warning bearing according to claim 1, it is characterised in that：Upper steel plate（2）Edge is provided with preformed hole（11）, pass through upper anchor bolt（1）It is connected with bridge floor girder；Concave surface steel basin（7）Pass through lower anchor bolt（8）Fixed with bridge floor pier.
- A kind of 7. bridge overload early warning bearing according to claim 3, it is characterised in that：Inductance bridge（10）In be provided with the foil gauge that can be extended after being under pressure（12）Deformed with for measuring support body Rib（15）The temperature-compensating plate strained caused by temperature（13）；Foil gauge（12）It is pasted on support body deformable ribs（15）Deformable ribs on；Temperature-compensating plate（13）It is pasted on support body opening slot（16）On side wall.
- A kind of 8. bridge overload early warning bearing according to claim 1, it is characterised in that：Upper steel plate（2）Bottom surface is concave groove, support body（4）Top surface shape adapts to therewith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721168013.5U CN207277179U (en) | 2017-09-13 | 2017-09-13 | A kind of bridge overload early warning bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721168013.5U CN207277179U (en) | 2017-09-13 | 2017-09-13 | A kind of bridge overload early warning bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207277179U true CN207277179U (en) | 2018-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721168013.5U Active CN207277179U (en) | 2017-09-13 | 2017-09-13 | A kind of bridge overload early warning bearing |
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|---|---|
| CN (1) | CN207277179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567027A (en) * | 2021-08-10 | 2021-10-29 | 尹恒 | Road overload grade working condition monitoring method and system |
-
2017
- 2017-09-13 CN CN201721168013.5U patent/CN207277179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567027A (en) * | 2021-08-10 | 2021-10-29 | 尹恒 | Road overload grade working condition monitoring method and system |
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