CN206504700U - A kind of bridge deflection test device - Google Patents
A kind of bridge deflection test device Download PDFInfo
- Publication number
- CN206504700U CN206504700U CN201720123472.5U CN201720123472U CN206504700U CN 206504700 U CN206504700 U CN 206504700U CN 201720123472 U CN201720123472 U CN 201720123472U CN 206504700 U CN206504700 U CN 206504700U
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- China
- Prior art keywords
- bucket
- windproof
- test device
- stop plug
- lifting rope
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Abstract
The utility model discloses a kind of bridge deflection test device, including lifting rope, height adjusting unit and amount of deflection detection unit；Height adjusting unit includes external disk, lubrication groove, axle, handle and stop plug, and amount of deflection detection unit includes windproof bucket, displacement transducer and balancing weight, and one end of lifting rope is connected to Liang Dishang, and the other end of lifting rope is connected in the lubrication groove of height adjusting unit；Axle and lubrication groove can be rotated around external disk, and the length of lifting rope is adjusted from the cooperation of different stop holes by stop plug；Test device messenger wire adjustable in length of the present utility model, it is adaptable to elevation under any bridge；And windproof bucket is provided with, good protection effect is served, makes measurement result more accurate.
Description
Technical field
The utility model belongs to deflection of bridge span testing field, and in particular to a kind of bridge deflection test device.
Background technology
With the fast development of China's transport development cause, bridge as a kind of special Highway Structural Material of leap landform,
Construction scale and ratio in whole transport development also more and more higher.Either newly building bridge final acceptance of construction or old bridge
Maintenance, all be unable to do without Test on Bridge Loading.However, the measurement in Test on Bridge Loading to amount of deflection, at present using most
Be still traditional level gage measurement method, and the method is needed to expend substantial amounts of manpower and time, and modern bridge can not be adapted to
The requirement of loading test.Some deflection of bridge span test new method has been developed in present China, such as with dial gauge measurement or displacement
Meter measurement, but these new methods still have some insoluble problems, it is not yet ripe.The displacement produced with Wuhan Hua Yan
Exemplified by sensor, the displacement meter needs to be fixed on reinforcing bar or steel-tube construction, and this is accomplished by building scaffold in advance, by displacement meter
It is installed on scaffold, this considerably increases the cost of loading test, adds the expenditure of manpower, time and instrument；And pin hand
The problem of frame has one very big, is exactly easily to occur rocking or shake, and this has had a strong impact on the precision of measurement；Moreover, displacement
Mensuration is counted without good windproof method, being measured when having wind under bridge can not often be carried out.
The content of the invention
For defect present in prior art, the purpose of this utility model is to provide a kind of bridge deflection test device,
The device is transmitted deflection of bridge span using adjustable messenger wire, and is effective against the influence of wind-force, solve with
Toward method of testing measurement accuracy it is not high the problem of.
In order to solve the above-mentioned technical problem, the utility model, which is adopted the following technical scheme that, is achieved：
A kind of bridge deflection test device, including lifting rope, height adjusting unit and amount of deflection detection unit；
Described height adjusting unit includes external disk, lubrication groove, axle, handle and stop plug, and described external disk is arranged on axle
Two ends, described lubrication groove is arranged on the axle between external disk；Multiple stop holes are machined with along the circumference of external disk；Described handle
One end is connected on axle, and the other end of described handle connects stop plug, and described stop plug is elastomeric element；
Described amount of deflection detection unit includes windproof bucket, displacement transducer and balancing weight, and described windproof bucket is placed in lifting rope
On the ground of underface, described windproof bucket includes bucket wall and bottom；Described displacement transducer is placed in the bottom of windproof bucket；Institute
The balancing weight stated is connected in the external disk of height adjusting unit, and described balancing weight is placed in windproof bucket；
One end of described lifting rope is connected to Liang Dishang, and the other end of described lifting rope is connected to the interior of height adjusting unit
On wheel；
Described axle and lubrication groove can be rotated around external disk, and the length of lifting rope is adjusted from the cooperation of different stop holes by stop plug
Degree.
The utility model also has following distinguishing feature：
Described handle is provided with hole, and described stop plug is mounted in the bore, and stop plug is moved back and forth along hole, detachably
Be arranged on handle on.
Described stop plug be hollow and thin-walled cylindrical structure, stop plug be connected with hole on the cylindrical wall of one end be machined with it is multiple
Groove, enables stop plug to be extracted to contract from stop hole, and the end of the stop plug in insertion stop hole is provided with limited block, prevents
Stop plug is skidded off from stop hole.
Described external disk is provided with connecting plate, and described connecting plate is provided with suspension ring, described suspension ring connection balancing weight.
The bottom of described windproof bucket is the arc of right-angled intersection, and described displacement transducer is placed in windproof bottom of the barrel arc
On shape plate.
Beam bottom is provided with block, and described block is provided with suspension ring, and one end of described lifting rope is connected on suspension ring.
The bucket wall of described windproof bucket is provided with transparency window, and described transparency window is retractable.
Described transparency window is arranged on bucket wall by hinge.
Handle is additionally provided with described transparency window.
One end that described lifting rope is connected with beam bottom is provided with suspension hook.
Compared with prior art, the beneficial effects of the utility model are：
Test device messenger wire adjustable in length of the present utility model, it is adaptable to elevation under any bridge；And it is provided with windproof bucket,
Good protection effect is served, makes measurement result more accurate.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the windproof barrel structure schematic diagram of the utility model.
Fig. 3 is the front view of the utility model height adjusting unit.
Fig. 4 is the side view of the utility model height adjusting unit.
Fig. 5 is the structural representation of the utility model stop plug.
Fig. 6 is the schematic diagram of the utility model balancing weight.
Each label is expressed as in figure：1- lifting ropes, 4- suspension ring, 5- blocks；
(1-1)-suspension hook；(2-1)-external disk, (2-2)-lubrication groove, (2-3)-axle, (2-4)-handle, (2-5)-stop plug；
(2-1-1)-stop hole, (2-1-2)-connecting plate；(2-4-1)-hole；(2-5-1)-groove, (2-5-2)-limited block；
(3-1)-windproof bucket, (3-2)-displacement transducer, (3-3)-balancing weight；
(3-1-1)-bucket wall, (3-1-2)-bottom, (3-1-3)-transparency window, (3-1-4)-hinge, (3-1-5)-handle.
Explanation is further explained in detail to particular content of the present utility model below in conjunction with the drawings and specific embodiments.
Embodiment
The utility model before the test, needs first with sand paper polishing beam bottom, removes the dust of concrete surface, then use AB glue
Or block 5 (i.e. wooden unit) is pasted on beam bottom by cloud stone glue.
The lower surface of block 5 of the present utility model is provided with suspension ring 4, and the suspension hook 1-1 of lifting rope 1 is connected with suspension ring 4；Pass through lubrication groove
The length of lifting rope 1 is adjusted to correct position, the stop plug 2-5 on handle 2-4 is pushed into the stop hole 2-1-1 on external disk 2-1,
So as to fixed lifting rope length, stop plug 2-5 is elastomeric element；If elevation is excessive under bridge, lifting rope is finished, and can add a height
Adjustment unit, is together in series with first height adjusting unit.
Stop plug 2-5 of the present utility model is hollow and thin-walled cylindrical structure, and stop plug (2-5) is connected one with hole (2-4-1)
Multiple grooves (2-5-1) are machined with the cylindrical wall at end, stop plug (2-5) is extracted to contract from stop hole (2-1-1) is middle,
The end for the stop plug (2-5) inserted in stop hole (2-1-1) is provided with limited block (2-5-2), prevents stop plug (2-5) from stop
Skidded off in hole (2-1-1).
Stop plug 2-5 of the present utility model is the cylindrical structure of metal thin-wall, and the limited block on stop plug 2-5 top is ring
Stop plug, can be stuck in the stop hole of external disk, prevent stop plug from skidding off by shape sheet metal.Stop plug need to be exited, only hand need to be used
By stop plug 2-5, it is set to be extracted to contract from stop hole 2-1-1., can when stop plug 2-5 is extracted from stop hole 2-1-1
As handle, facilitate in the rotation of handle, stop plug insertion stop hole, fixing axle 2-3 rotation,
Windproof bucket 3-1 of the present utility model is placed on the underface ground of lifting rope 1, and balancing weight is closely pasted with windproof bucket entrance
Close, prevent rocking for balancing weight (i.e. counterweight), resist the influence of wind.
The windproof bucket 3-1 of the utility model bottom is the curved plate of right-angled intersection, and displacement transducer 3-2 wire can be from
Drawn at the hole of windproof bottom of the barrel arc formation, curved plate is engaged with displacement transducer shape on the market, displacement
Sensor can be by magnetic absorption on curved plate.
Balancing weight 3-3 of the present utility model is suspended on the suspension ring 4 below external disk 2-1, and balancing weight is above windproof bucket
Entrance is put into, and messenger wire length is adjusted again, so as to be suitable for instrument test；The transparent glass window 3-1-2 of windproof bucket is convenient to be observed
And conditioning instrumentation.
Specific embodiment of the invention given below is, it is necessary to which explanation is that the invention is not limited in implement in detail below
Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Embodiment 1
With reference to Fig. 1 to Fig. 6, the present embodiment provides a kind of bridge deflection test device, including lifting rope 1, height adjusting unit
With amount of deflection detection unit；
Height adjusting unit includes external disk 2-1, lubrication groove 2-2, axle 2-3, handle 2-4 and stop plug 2-5, described external disk 2-
1 is arranged on axle 2-3 two ends, and lubrication groove 2-2 is arranged on the axle 2-3 between external disk 2-1；It is machined with along external disk 2-1 circumference many
Individual stop hole 2-1-1；Handle 2-4 one end is connected on axle 2-3, handle 2-4 other end connection stop plug 2-5, stop plug
(2-5) is elastomeric element；
Amount of deflection detection unit includes windproof bucket 3-1, displacement transducer 3-2 and balancing weight 3-3, windproof bucket 3-1 are placed in lifting rope 1
On the ground of underface, windproof bucket 3-1 includes bucket wall 3-1-1 and bottom 3-1-2；Displacement transducer 3-2 is placed in the bottom of windproof bucket
Portion 3-1-2；Balancing weight 3-3 is connected on the external disk 2-1 of height adjusting unit, and balancing weight 3-3 is placed in windproof bucket 3-1；
One end of lifting rope 1 is connected to Liang Dishang, and the other end of lifting rope 1 is connected on the lubrication groove 2-2 of height adjusting unit；
Axle 2-3 and lubrication groove 2-2 can be rotated around external disk 2-1, by stop plug 2-5 and different stop hole 2-1-1 cooperation come
The length of lifting rope 1 is adjusted, makes the suspension ring 4 below lubrication groove 2-2 apart from ground about 30cm；
Handle 2-4 is provided with hole 2-4-1, and described stop plug 2-5 is arranged in the 2-4-1 of hole, and stop plug 2-5 is along hole 2-
4-1 is moved back and forth, and is detachably arranged on handle 2-4；
Stop plug 2-5 is hollow and thin-walled cylindrical structure, and stop plug 2-5 is connected on the cylindrical wall of one end with hole 2-4-1 and processed
There are multiple groove 2-5-1, stop plug 2-5 is extracted to contract from stop hole 2-1-1, stopping in insertion stop hole 2-1-1
Dynamic plug 2-5 end is provided with limited block 2-5-2, prevents stop plug 2-5 from being skidded off from stop hole 2-1-1.
Windproof bucket 3-1 bottom is the arc of right-angled intersection, and displacement transducer 3-2 is placed in windproof bucket 3-1 bottoms arc
On plate；
Beam bottom is provided with block 5, and described block 5 is provided with suspension ring 4, and one end of lifting rope 1 is connected on suspension ring 4；
Windproof bucket 3-1 bucket wall 3-1-1 is provided with transparency window 3-1-3, and transparency window 3-1-3 is arranged on by hinge 3-1-4
On bucket wall 3-1-1, handle 3-1-5 is additionally provided with transparency window 3-1-3.
The course of work of the present utility model：
Before experiment, need first with sand paper polishing beam bottom, remove the dust of concrete surface, then will be marked with AB glue or cloud stone glue
Quasi- wooden unit is pasted on beam bottom.The lower end of block 5 is suspension ring 4, now discharges lifting rope 1, suspension hook 1-1 is connected with suspension ring 4；Pass through height
Adjustment unit adjusts the length of lifting rope 1, makes the suspension ring 4 below lubrication groove 2-2 at ground about 30cm, now by stop plug 2-5
It is pushed into the stop hole 2-1-1 on external disk 2-1, stop plug is blocked by fixation by the limited block 2-5-2 in stop plug, so that solid
Determine the length of lifting rope 1；If elevation is excessive under bridge, lifting rope is finished, and can add a height adjusting unit, is adjusted with first height
Section unit is together in series, and need to only connect the suspension ring 4 below suspension hook 1-1 and lubrication groove 2-2.Then by windproof bucket 3-1
It is placed on the underface ground of block 5, dial gauge or displacement meter can be placed in windproof bucket, only need to be by it in bucket if placing dial gauge
Inside place, adjusted by opening the windowpane on bucket wall；If place displacement meter, using Wuhan Hua Yan displacement transducer as
Example, the displacement transducer is needed by magnetic absorption on reinforcing bar or steel pipe, and windproof bottom of the barrel is the curved plate of simulation steel pipe,
Arrange, displacement meter need to be only fixed on curved plate, the wire of displacement transducer can be from windproof bucket bottom in right-angled intersection
Hole at draw.Then balancing weight (counterweight) is hung on the suspension ring 4 below lubrication groove 2-2, the entrance above windproof bucket 3-1
It is put into, the length of lifting rope 1 is adjusted again, so as to be suitable for instrument test, is observed by the windowpane of windproof bucket and conditioning instrumentation.
Claims (10)
1. a kind of bridge deflection test device, it is characterised in that：Including lifting rope (1), height adjusting unit and amount of deflection detection unit；
Described height adjusting unit includes external disk (2-1), lubrication groove (2-2), axle (2-3), handle (2-4) and stop plug (2-5),
Described external disk (2-1) is arranged on the two ends of axle (2-3), and described lubrication groove (2-2) is arranged on the axle (2- between external disk (2-1)
3) on；Multiple stop holes (2-1-1) are machined with along the circumference of external disk (2-1)；One end of described handle (2-4) is connected to axle
On (2-3), the other end of described handle (2-4) connects stop plug (2-5), and described stop plug (2-5) is elastomeric element；
Described amount of deflection detection unit includes windproof bucket (3-1), displacement transducer (3-2) and balancing weight (3-3), and described is windproof
Bucket (3-1) is placed on the ground immediately below lifting rope (1), and described windproof bucket (3-1) includes bucket wall (3-1-1) and bottom (3-1-
2)；Described displacement transducer (3-2) is placed in the bottom (3-1-2) of windproof bucket；Described balancing weight (3-3) is connected to height and adjusted
In the external disk (2-1) for saving unit, described balancing weight (3-3) is placed in windproof bucket (3-1)；
One end of described lifting rope (1) is connected to Liang Dishang, and the other end of described lifting rope (1) is connected to height adjusting unit
In lubrication groove (2-2)；
Described axle (2-3) and lubrication groove (2-2) can be rotated around external disk (2-1), pass through stop plug (2-5) and different stop hole (2-
Cooperation 1-1) adjusts the length of lifting rope (1).
2. bridge deflection test device as claimed in claim 1, it is characterised in that：Described handle (2-4) is provided with hole (2-
4-1), described stop plug (2-5) is arranged in hole (2-4-1), and stop plug (2-5) is moved back and forth along hole (2-4-1), removable
That unloads is arranged on handle (2-4).
3. bridge deflection test device as claimed in claim 1 or 2, it is characterised in that：During described stop plug (2-5) is
Empty thin wall cylindrical structure, stop plug (2-5) is connected on the cylindrical wall of one end with hole (2-4-1) and is machined with multiple grooves (2-5-1), makes
Stop plug (2-5) can be extracted to contract from stop hole (2-1-1) is middle, the stop plug (2-5) in insertion stop hole (2-1-1)
End is provided with limited block (2-5-2), prevents stop plug (2-5) from being skidded off from stop hole (2-1-1).
4. bridge deflection test device as claimed in claim 1, it is characterised in that：Described external disk (2-1) is provided with connection
Plate (2-1-2), described connecting plate (2-1-2) is provided with connection balancing weight (3-3) on suspension ring (4), described suspension ring (4).
5. bridge deflection test device as claimed in claim 1, it is characterised in that：The bottom of described windproof bucket (3-1) is
The arc of right-angled intersection, described displacement transducer (3-2) is placed on the arc of windproof bucket (3-1) bottom.
6. bridge deflection test device as claimed in claim 1, it is characterised in that：Beam bottom is provided with block (5), described block
Body (5) is provided with suspension ring (4), and one end of described lifting rope (1) is connected on suspension ring (4).
7. bridge deflection test device as claimed in claim 1, it is characterised in that：Bucket wall (the 3- of described windproof bucket (3-1)
Transparency window (3-1-3) 1-1) is provided with, described transparency window (3-1-3) is retractable.
8. bridge deflection test device as claimed in claim 7, it is characterised in that：Described transparency window (3-1-3) is by closing
Page (3-1-4) is arranged on bucket wall (3-1-1).
9. bridge deflection test device as claimed in claim 7, it is characterised in that：Also set on described transparency window (3-1-3)
There is handle (3-1-5).
10. bridge deflection test device as claimed in claim 1, it is characterised in that：What described lifting rope (1) was connected with beam bottom
One end is provided with suspension hook (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123472.5U CN206504700U (en) | 2017-02-10 | 2017-02-10 | A kind of bridge deflection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123472.5U CN206504700U (en) | 2017-02-10 | 2017-02-10 | A kind of bridge deflection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206504700U true CN206504700U (en) | 2017-09-19 |
Family
ID=59833270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720123472.5U Expired - Fee Related CN206504700U (en) | 2017-02-10 | 2017-02-10 | A kind of bridge deflection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206504700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111541A (en) * | 2021-11-24 | 2022-03-01 | 长安大学 | Bridge dynamic deflection testing system and method based on stress rigidization effect |
-
2017
- 2017-02-10 CN CN201720123472.5U patent/CN206504700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111541A (en) * | 2021-11-24 | 2022-03-01 | 长安大学 | Bridge dynamic deflection testing system and method based on stress rigidization effect |
| CN114111541B (en) * | 2021-11-24 | 2024-01-19 | 长安大学 | Bridge dynamic deflection test system and method based on stress rigidization effect |
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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: 20170919 Termination date: 20180210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |