CN207525607U - It is a kind of to prevent from radially climbing and moving past big prior-warning device based on girder lateral Displacement - Google Patents
It is a kind of to prevent from radially climbing and moving past big prior-warning device based on girder lateral Displacement Download PDFInfo
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- CN207525607U CN207525607U CN201721320226.5U CN201721320226U CN207525607U CN 207525607 U CN207525607 U CN 207525607U CN 201721320226 U CN201721320226 U CN 201721320226U CN 207525607 U CN207525607 U CN 207525607U
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- girder
- fixed frame
- warning device
- prior
- radially
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Abstract
It prevents from radially climbing and moving past big prior-warning device based on girder lateral Displacement the utility model discloses a kind of, including prior-warning device and limiting device, prior-warning device and limiting device are set between girder and bent cap；Prior-warning device includes the first fixed frame and the second fixed frame, and first fixed frame one end is embedded in girder, and the other end is equipped with strain gauge contact；Second fixed frame one end is embedded in bent cap, and the other end is equipped with rubber block, and rubber block is equipped with strain gauge, and strain gauge is connect with central processing system；The device of the utility model is used in camber beam, when girder is radially outer to be moved, prior-warning device sensing displacement distance on the outside of girder, steel plate is contacted with rubber block, strain gauge connects circuit, central processing unit excites alarm signal, and pipe is made to support unit and receive warning information and takes further measure to take.While early warning is sent out, limiting device is started to work, and limits the further development of lateral deflection.
Description
Technical field
The utility model belongs to bridge field, is related to the device of curve bridge lateral Displacement, and in particular to one kind is based on master
Beam lateral Displacement prevents from radially climbing and moving past big prior-warning device.
Background technology
Expressway ramp, city intersection curve bridge superstructure radial direction climb shifting problem the later stage operation during be
It happens occasionally, and radially climbs that move past be one of its Major Diseases form greatly.It radially climbs and moves past conference and cause at bridge expanssion joint
Misplace disablement, bearing is shear-deformable excessive and fails, cause bridge can not normal use grider overturning even occurs
Accident.Based on this, after curved box-girder is open to the traffic, setting in time radially climb move warning device and to the radial displacement of bridge into
Row limitation supports unit timely processing bridge defect for pipe and ensures that the normal use of bridge is just particularly important.
Invention content
The defects of for existing technology of preparing and deficiency, the purpose of this utility model are to provide one kind and are laterally limited based on girder
Position prevents from radially climbing and moving past big prior-warning device, can effectively limit the radial displacement of bridge main beam and provide timely early warning.
To achieve these goals, the utility model adopts the following technical solution is achieved：
It is a kind of to prevent from radially climbing and moving past big prior-warning device based on girder lateral Displacement, it is filled including prior-warning device and limiting
It puts, the prior-warning device and limiting device are set between girder and bent cap；
The prior-warning device includes the first fixed frame and the second fixed frame, and one end of first fixed frame is embedded in
In girder, the other end of the first fixed frame is equipped with strain gauge contact；
One end of second fixed frame is embedded in bent cap, and the other end of the second fixed frame is equipped with rubber block, described
Rubber block be equipped with strain gauge and strain gauge contact, the strain gauge connect with central processing system；
The limiting device includes the first connecting plate and the second connecting plate, and first connecting plate is embedded in girder
Interior, second connecting plate is embedded in bent cap, and flexural pivot connects between the first connecting plate and the second connecting plate.
The utility model also has following distinguishing feature：
First fixed frame includes steel plate and spiral, and the spiral is set on the first fixed frame, with
Between steel plate in 60 °~75 ° angles it is embedding with girder in；Second fixed frame is identical with the structure of the first fixed frame.
The steel plate width is 0.8 times of bent cap width.
The spiral has multiple, and the length of spiral is 25~40cm.
Steel strand wires are connected on first connecting plate, bulb is connected on the steel strand wires, described second connects
Fishplate bar is equipped with ball seat, and the bulb is installed with ball seat cooperation.
On first connecting plate and bolt is additionally provided on the second connecting plate, the bolt is embedded in girder and bent cap
In.
The central processing system is connect with solar heat-collection plate.
The girder is camber beam, and the prior-warning device is set on the outside of girder, and the limiting device is set on master
The inside of beam.
The spacing between the strain gauge contact on strain gauge contact and the second fixed frame on first fixed frame is
The 80% of bearing allowable strain distance.
Compared with prior art, the beneficial effects of the utility model are：
(1) device of the utility model is used in camber beam, when girder is radially outer to be moved, the early warning on the outside of girder
The mobile distance of device sensing, the further movement of the limiting device restraint beam on the inside of girder.When radial shift makes steel plate
Contacted with rubber block, strain gauge connect circuit, central processing unit excitation alarm signal, make pipe support unit receive warning information so as to
It takes and takes further measure.While prior-warning device sends out early warning, the limiting device on the inside of girder is started to work, and limitation is radially
The further development of displacement.
(2) steel strand wires in the limiting device of the utility model are connect with bent cap connecting pin using flexural pivot, and steel strand wires have
Standby certain deformability while radial deflection is limited, will not influence the normal longitudinal direction displacement of girder；And steel strand wires and master
Beam connects the fixation of one end, and limiting device, which is started to work, when radial displacement is more than prescribed limits limits radial displacement.
(3) utility model uses solar heat-collection plate to be connect with central processing system as self-power supply device, do not need to be special
The power supply unit of door, low cost are easy for construction.
Description of the drawings
Fig. 1 is the overall structure front view of the utility model.
Fig. 2 is the lateral plan of Fig. 1.
Fig. 3 is the prior-warning device schematic diagram of the utility model.
Fig. 4 is the limiting device schematic diagram of the utility model.
Fig. 5 is the scheme of installation that the utility model device is mounted on camber beam.
The meaning of each label in attached drawing：1- girders, 2- bent caps, 3- prior-warning devices, 4- limiting devices, 5- strain gauge contacts,
6- rubber blocks, 7- strain gauges, 8- central processing systems, 9- solar heat-collection plates, 10- bearings；
(3-1)-the first fixed frame, (3-2)-the second fixed frame；(3-1-1)-steel plate, (3-1-2)-spiral；
(4-1)-the first connecting plate, (4-2)-the second connecting plate, (4-3)-steel strand wires, (4-4)-bulb, (4-5)-ball
Seat, (4-6)-bolt.
Explanation is further explained in detail to the particular content of the utility model with reference to embodiments.
Specific embodiment
Specific embodiment of the utility model is given below, it should be noted that the utility model is not limited to following tool
In body embodiment, all equivalents done on the basis of technical scheme each fall within the scope of protection of the utility model.
Embodiment 1
If Fig. 1 to Fig. 5 shows, the present embodiment provides and a kind of prevents from radially climbing and moving past big early warning based on girder lateral Displacement
Device, including prior-warning device 3 and limiting device 4, prior-warning device 3 and limiting device 4 are set between girder 1 and bent cap 2；Girder 1
For camber beam, prior-warning device 3 is set on the outside of girder, and limiting device 4 is set on the inside of girder 1, and the both sides of each bearing 10 are each
If there are one limiting devices 4.
Prior-warning device 4 includes the first fixed frame 3-1 and the second fixed frame 3-2, and one end of the first fixed frame 3-1 is embedded in
In girder 1, the other end of the first fixed frame is equipped with strain gauge contact 5；One end of second fixed frame 3-2 is embedded in bent cap 2, the
The other end of two fixed frames is equipped with rubber block 6, and rubber block 6 is equipped with strain gauge 7 and strain gauge contact 5, strain gauge 7 and centre
Reason system 8 connects；Bearing 10 is equipped between girder 1 and bent cap 2, the fixation of strain gauge contact 5 and second on the first fixed frame 3-1
The spacing between strain gauge contact 5 on frame 3-2 is the 80% of 10 allowable strain distance of bearing.
First fixed frame 3-1 includes steel plate 3-1-1 and spiral 3-1-2, and spiral 3-1-2 is set on the first fixed frame
It is embedding in girder 1, screw thread can be prevented in certain inclination angle in this way in 60 °~75 ° angles between steel plate 3-1-1 on 3-1
Reinforcing bar comes off from girder；Second fixed frame 3-2 is identical with the structure of the first fixed frame 3-1.Steel plate 3-1-1 width is bent cap 2
0.8 times of width.Spiral 3-1-2 has multiple, and the length of spiral is 25~40cm.
Limiting device 4 is embedded in girder 1 including the first connecting plate 4-1 and the second connecting plate 4-2, the first connecting plate 4-1
Interior, the second connecting plate 4-2 is embedded in bent cap 2, and flexural pivot connects between the first connecting plate 4-1 and the second connecting plate 4-2.
Steel strand wires 4-3 is connected on first connecting plate 4-1, bulb 4-4, the second connecting plate 4-2 are connected on steel strand wires 4-3
It is equipped with ball seat 4-5, bulb 4-4 and ball seat 4-5 cooperation installation.
Another technical solution and embodiment 1 difference lies in：It is gone back on first connecting plate 4-1 and on the second connecting plate 4-2
Equipped with bolt 4-6, bolt is embedded in girder 1 and bent cap 2.
Another technical solution and embodiment 1 difference lies in：Central processing system 8 is connect with solar heat-collection plate 9.
The course of work of the utility model：
When girder 1 moves radially, and the displacement be more than allowable strain 80% when, radial shift make inside steel plate
3-1-1 is contacted with rubber block 6, strain gauge 7 connect circuit, central processing unit 8 excite alarm signal, make pipe support unit receive it is pre-
Alert information takes further measure to take.While prior-warning device 3 sends out early warning, the limiting device 4 on the inside of girder starts
Work, the further displacement between girder 1 and bent cap 2 is limited by steel strand wires 4-3.
Claims (9)
1. a kind of prevent from radially climbing and moving past big prior-warning device based on girder lateral Displacement, it is characterised in that：It is filled including early warning
(3) and limiting device (4) are put, the prior-warning device and limiting device are set between girder (1) and bent cap (2)；
The prior-warning device (3) includes the first fixed frame (3-1) and the second fixed frame (3-2), the first fixed frame (3-
1) one end is embedded in girder (1), and the other end of the first fixed frame is equipped with strain gauge contact (5)；
One end of second fixed frame (3-2) is embedded in bent cap (2), and the other end of the second fixed frame is equipped with rubber block
(6), the rubber block (6) is equipped with strain gauge (7) and strain gauge contact (5), the strain gauge (7) and central processing system
System (8) connection；
The limiting device (4) includes the first connecting plate (4-1) and the second connecting plate (4-2), the first connecting plate (4-
1) it is embedded in girder (1), second connecting plate (4-2) is embedded in bent cap (2), the first connecting plate (4-1) and second
Flexural pivot connects between connecting plate (4-2).
2. preventing from radially climbing and moving past big prior-warning device based on girder lateral Displacement as described in claim 1, feature exists
In：First fixed frame (3-1) includes steel plate (3-1-1) and spiral (3-1-2), the spiral (3-1-
2) it is embedding interior with girder (1) in 60 °~75 ° angles between steel plate (3-1-1) on the first fixed frame (3-1)；
Second fixed frame (3-2) is identical with the structure of the first fixed frame (3-1).
3. preventing from radially climbing and moving past big prior-warning device based on girder lateral Displacement as claimed in claim 2, feature exists
In：Described steel plate (3-1-1) width is 0.8 times of bent cap (2) width.
4. preventing from radially climbing and moving past big prior-warning device based on girder lateral Displacement as claimed in claim 2, feature exists
In：The spiral (3-1-2) has multiple, and the length of spiral is 25~40cm.
5. preventing from radially climbing and moving past big prior-warning device based on girder lateral Displacement as described in claim 1, feature exists
In：Steel strand wires (4-3) are connected on first connecting plate (4-1), bulb (4- is connected on the steel strand wires (4-3)
4), second connecting plate (4-2) is equipped with ball seat (4-5), and the bulb (4-4) is installed with ball seat (4-5) cooperation.
6. it prevents from radially climbing and moving past big prior-warning device, feature based on girder lateral Displacement as described in claim 1 or 5
It is：On first connecting plate (4-1) and bolt (4-6) is additionally provided on the second connecting plate (4-2), the bolt is embedding
In girder (1) and bent cap (2).
7. preventing from radially climbing and moving past big prior-warning device based on girder lateral Displacement as described in claim 1, feature exists
In：The central processing system (8) is connect with solar heat-collection plate (9).
8. preventing from radially climbing and moving past big prior-warning device based on girder lateral Displacement as described in claim 1, feature exists
In：The girder (1) is camber beam, and the prior-warning device (3) is set set on the outside of girder, the limiting device (4)
In the inside of girder.
9. preventing from radially climbing and moving past big prior-warning device based on girder lateral Displacement as described in claim 1, feature exists
In：Strain gauge contact (5) on first fixed frame (3-1) and the strain gauge contact (5) on the second fixed frame (3-2) it
Between spacing be bearing (10) allowable strain distance 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320226.5U CN207525607U (en) | 2017-10-13 | 2017-10-13 | It is a kind of to prevent from radially climbing and moving past big prior-warning device based on girder lateral Displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721320226.5U CN207525607U (en) | 2017-10-13 | 2017-10-13 | It is a kind of to prevent from radially climbing and moving past big prior-warning device based on girder lateral Displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207525607U true CN207525607U (en) | 2018-06-22 |
Family
ID=62569514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721320226.5U Expired - Fee Related CN207525607U (en) | 2017-10-13 | 2017-10-13 | It is a kind of to prevent from radially climbing and moving past big prior-warning device based on girder lateral Displacement |
Country Status (1)
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|---|---|
| CN (1) | CN207525607U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281258A (en) * | 2018-11-02 | 2019-01-29 | 董小瑞 | A kind of bracing means of Reinforced Concrete Bridge and floorings |
| CN111172859A (en) * | 2019-12-12 | 2020-05-19 | 广州大学 | Bridge limiting device |
-
2017
- 2017-10-13 CN CN201721320226.5U patent/CN207525607U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281258A (en) * | 2018-11-02 | 2019-01-29 | 董小瑞 | A kind of bracing means of Reinforced Concrete Bridge and floorings |
| CN109281258B (en) * | 2018-11-02 | 2019-10-08 | 董小瑞 | A kind of bracing means of Reinforced Concrete Bridge and floorings |
| CN111172859A (en) * | 2019-12-12 | 2020-05-19 | 广州大学 | Bridge limiting device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20181013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |