CN207113840U - A kind of bridge displacement measurement apparatus - Google Patents
A kind of bridge displacement measurement apparatus Download PDFInfo
- Publication number
- CN207113840U CN207113840U CN201721023130.2U CN201721023130U CN207113840U CN 207113840 U CN207113840 U CN 207113840U CN 201721023130 U CN201721023130 U CN 201721023130U CN 207113840 U CN207113840 U CN 207113840U
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- CN
- China
- Prior art keywords
- measurement
- face
- pedestal
- box
- firm banking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of bridge displacement measurement apparatus,Its structure includes measurement pedestal,Connect metal shaft,Firm banking,Signal launch-box,Wave filter,Miniature displacement sensing sliding block,Slide bar bulb,Connecting shaft,Attaching nut,Connection metal shaft is fixedly connected on the right end face of measurement pedestal,Firm banking fixes the rear surface for being welded in measurement pedestal,The inside of signal launch-box is provided with cavity,Wave filter is by being electrically connected in the internal cavities of signal launch-box,Miniature displacement sensing sliding block is movably connected on the upper end face of measurement pedestal,Wave filter is by device outer case,Connecting plate,Fixing hole,Connect sheet metal,Inductance element forms,The utility model is during the displacement to bridge carries out actual measurement,Application of the multi-sampling rate filtering technique in sense measuring device can be realized,So as to control its frequency filtering,Algorithm rate,It ensure that the precision of sensing measurement signal,Effectively increase the intelligence degree and unfailing performance of equipment.
Description
Technical field
The utility model is a kind of bridge displacement measurement apparatus, belongs to displacement measurement technology field.
Background technology
Now prestressing force is used in the construction such as the bridge of LONG-SPAN RAILWAY and highway, crane girder, geotechnical anchor engineering
Concrete structure, reinforcing bar or steel strand wires for prestressed concrete mainly do arrangement of reinforcement use, show suitable for what large span, large bay were built
Pour floor, the precast beam of big load and other unique constructions.Very high, the reinforced bar stretching length for reinforcing bar mechanical property requirements itself
There is respective standard requirement with pulling force, control inaccuracy can have a strong impact on the quality of prestressed girder.Beam body and bridge pier on bridge
Relative shift be key parameter in bridge health monitoring, lack the instrument for being capable of the direct measurement displacement in the prior art
Device.
Prior art published application number is a kind of CN201720062503.0 bridge displacement measurement apparatus, including is fixed on
Measurement apparatus housing on bridge pier between left beam slab and right beam slab, the inside of measurement apparatus housing are provided with measuring mechanism；Measurement
Mechanism includes parallel the first fixed seat and the second fixed seat for being fixed on measurement apparatus enclosure interior, and the first fixed seat and second are consolidated
Expansion link is coated with the axis hole of reservation, the excircle fixed cover of the expansion link between the first fixed seat and the second fixed seat is equipped with
Annular boss, the excircle of the expansion link between annular boss and the first fixed seat are set with the first spring, annular boss and
The excircle of expansion link between two fixed seats is set with second spring, and expansion link one end is worn from the side wall of measurement apparatus housing
After going out with corresponding left beam slab or right beam slab corresponding to end face be fixedly connected, expansion link is provided with graduation mark vertically.Present application
Measurement apparatus realizes the detection of beam slab and bridge pier relative position, simple in construction, stable performance by the cooperation of expansion link and spring.
But prior art can not realize that multi-sampling rate filtering technique is passing during the displacement to bridge carries out actual measurement
Application in sensed quantity device, frequency filtering, algorithm rate may be caused uncontrolled, the precision deficiency of sensing measurement signal
Consequence, intelligence degree deficiency.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of bridge displacement measurement apparatus, with solution
Certainly prior art can not realize that multi-sampling rate filtering technique is surveyed in sensing during the displacement to bridge carries out actual measurement
The application in device is measured, frequency filtering, algorithm rate may be caused uncontrolled, after the precision deficiency of sensing measurement signal
Fruit, the problem of intelligence degree deficiency.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of bridge displacement is surveyed
Device is measured, its structure includes measurement pedestal, connection metal shaft, firm banking, signal launch-box, wave filter, miniature displacement sensing
Sliding block, slide bar bulb, connecting shaft, attaching nut, the connection metal shaft is fixedly connected on the right end face of measurement pedestal, described
Firm banking fixes the rear surface for being welded in measurement pedestal, and the upper end face of the firm banking is embedded with connecting hole, described
Signal launch-box connects the right end face of metal shaft by being electrically connected to, and the inside of the signal launch-box is provided with cavity, described
For wave filter by being electrically connected in the internal cavities of signal launch-box, the miniature displacement sensing sliding block is movably connected on measurement base
The upper end face of seat, the wave filter is made up of device outer case, connecting plate, fixing hole, connection sheet metal, inductance element, described
Connecting plate is fixedly connected on the front-end surface of device outer case, and the fixing hole is embedded in the front-end surface of connecting plate, the device
The front-end surface of shell caves inward to form groove, and the connection sheet metal is by being electrically connected to the interior grooves of device outer case
In, the inductance element is by being electrically connected to the front-end surface of device outer case, and the connection sheet metal, inductance element are from top to bottom
It is arranged in order, the slide bar bulb is movably connected on the upper end face of miniature displacement sensing sliding block, and the connecting shaft is fixedly connected
In the front-end surface of signal launch-box, the attaching nut is movably connected on the front-end surface of connecting shaft.
Further, the left and right portion in outer surface of the measurement pedestal is nested with annular boss, the upper end of the measurement pedestal
Surface is fixedly connected with graduation mark.
Further, it is connected between the annular boss and measurement pedestal by the way of interference fit.
Further, it is in mutually orthogonal relationship between the firm banking and measurement pedestal, the number of the firm banking
Measure as 2.
Further, the outer surface of the connecting shaft is arranged with external screw thread, in the inner surface of the attaching nut is arranged with
Screw thread, the connecting shaft are connected with attaching nut by engaging between external screw thread and internal thread.
Further, the slide bar bulb is flexibly connected by screw with the upper end face of miniature displacement sensing sliding block, institute
The internal diameter for stating slide bar bulb is 6-8mm.
Further, the material of the measurement pedestal is medium carbon steel/high-carbon steel.
The beneficial effects of the utility model：By provided with wave filter, in the actual process measured of the displacement to bridge
In, it is possible to achieve application of the multi-sampling rate filtering technique in sense measuring device, so as to control its frequency filtering, algorithm
Rate, the precision of sensing measurement signal is ensure that, effectively increase the intelligence degree and unfailing performance of equipment.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of bridge displacement measurement apparatus of the utility model.
Fig. 2 is the structural representation of the utility model wave filter.
In figure：Measure pedestal -1, connection metal shaft -2, firm banking -3, signal launch-box -4, wave filter -5, miniature position
Move sensing sliding block -6, slide bar bulb -7, connecting shaft -8, attaching nut -9, connecting hole -30, device outer case -50, connecting plate -51,
Fixing hole -52, connection sheet metal -53, inductance element -54, annular boss -10, graduation mark -11.
Embodiment
Refer to Fig. 1-Fig. 2, the utility model provides a kind of bridge displacement measurement apparatus, its structure include measurement pedestal 1,
Connect metal shaft 2, firm banking 3, signal launch-box 4, wave filter 5, miniature displacement sensing sliding block 6, slide bar bulb 7, connecting shaft
8th, attaching nut 9, the connection metal shaft 2 are fixedly connected on the right end face of measurement pedestal 1, and the firm banking 3 fixes weldering
The rear surface of measurement pedestal 1 is connected to, the upper end face of the firm banking 3 is embedded with connecting hole 30, the signal launch-box 4
By being electrically connected to the right end face of connection metal shaft 2, the inside of the signal launch-box 4 is provided with cavity, and the wave filter 5 is logical
Cross and be electrically connected in the internal cavities of signal launch-box 4, the miniature displacement sensing sliding block 6 is movably connected on measurement pedestal 1
Upper end face, the wave filter 5 is by device outer case 50, connecting plate 51, fixing hole 52, connection sheet metal 53,54 groups of inductance element
Into the connecting plate 51 is fixedly connected on the front-end surface of device outer case 50, before the fixing hole 52 is embedded in connecting plate 51
End surfaces, the front-end surface of the device outer case 50 cave inward to form groove, and the connection sheet metal 53 is by being electrically connected to
In the interior grooves of device outer case 50, the inductance element 54 is by being electrically connected to the front-end surface of device outer case 50, the company
Connect sheet metal 53, inductance element 54 is arranged in order from top to bottom, the slide bar bulb 7 is movably connected on miniature displacement sensing sliding block
6 upper end face, the connecting shaft 8 are fixedly connected on the front-end surface of signal launch-box 4, and the attaching nut 9 is flexibly connected
In the front-end surface of connecting shaft 8, the left and right portion in outer surface of the measurement pedestal 1 is nested with annular boss 10, the measurement pedestal
1 upper end face is fixedly connected with graduation mark 11, between the annular boss 10 and measurement pedestal 1 by the way of interference fit
It is connected, is in mutually orthogonal relationship between the firm banking 3 and measurement pedestal 1, the quantity of the firm banking 3 is 2,
The outer surface of the connecting shaft 8 is arranged with external screw thread, and the inner surface of the attaching nut 9 is arranged with internal thread, the connecting shaft 8
It is connected with attaching nut 9 by engaging between external screw thread and internal thread, the slide bar bulb 7 passes through screw and miniature displacement
The upper end face for sensing sliding block 6 is flexibly connected, and the internal diameter of the slide bar bulb 7 is 6-8mm, and the material of the measurement pedestal 1 is
Medium carbon steel/high-carbon steel.
The filter circuit that wave filter described in this patent is made up of electric capacity, inductance and resistance.Wave filter can be to power supply
Frequency in line beyond the frequency of specific frequency or the frequency is effectively filtered out, and obtains the power supply signal of a specific frequency,
Or eliminate the power supply signal after a specific frequency.
In use, first checking for the whether firm connection of each several part, after confirming Plant in good condition, equipment is placed on suitably
Position, in place of the present apparatus is fixed on into beam body and bridge pier generation relative displacement, the miniature displacement sensing sliding block of slidable adjustment equipment,
The slide bar bulb of adjustment equipment is stirred, the equipment can start normal work afterwards.
It is of the present utility model measurement pedestal -1, connection metal shaft -2, firm banking -3, signal launch-box -4, wave filter -5,
Miniature displacement sensing sliding block -6, slide bar bulb -7, connecting shaft -8, attaching nut -9, connecting hole -30, device outer case -50, connection
Plate -51, fixing hole -52, connection sheet metal -53, inductance element -54, annular boss -10, graduation mark -11, part is general
The part that standard component or those skilled in the art know, its structure and principle all can be obtained for this technology personnel by technical manual
Know or known by normal experiment method, the utility model solves the problems, such as it is that prior art carries out reality in the displacement to bridge
During measurement, application of the multi-sampling rate filtering technique in sense measuring device can not be realized, may cause frequency filtering,
Algorithm rate is uncontrolled, the consequence of the precision deficiency of sensing measurement signal, intelligence degree deficiency, and the utility model passes through
Above-mentioned part is combined with each other, by provided with wave filter, during the displacement to bridge carries out actual measurement, it is possible to achieve
Application of the multi-sampling rate filtering technique in sense measuring device, so as to control its frequency filtering, algorithm rate, it ensure that biography
The precision of sensed quantity signal, the intelligence degree and unfailing performance of equipment are effectively increased, it is described in detail below：
The inside of the signal launch-box 4 is provided with cavity, and the wave filter 5 is by being electrically connected in signal launch-box 4
In portion's cavity, the miniature displacement sensing sliding block 6 is movably connected on the upper end face of measurement pedestal 1, and the wave filter 5 is by device
Shell 50, connecting plate 51, fixing hole 52, connection sheet metal 53, inductance element 54 form, and the connecting plate 51 is fixedly connected on device
The front-end surface of part shell 50, the fixing hole 52 are embedded in the front-end surface of connecting plate 51, the front end of the device outer case 50
Surface caves inward to form groove, and the connection sheet metal 53 is described by being electrically connected in the interior grooves of device outer case 50
Inductance element 54 by being electrically connected to the front-end surface of device outer case 50, the connection sheet metal 53, inductance element 54 on to
Under be arranged in order.
In embodiment 1 of the present utility model, the internal diameter of the slide bar bulb is 6mm, and the material of the measurement pedestal is
Carbon steel；
In embodiment 2 of the present utility model, the internal diameter of the slide bar bulb is 8mm, and the material of the measurement pedestal is height
Carbon steel.
In summary, when the internal diameter of slide bar bulb of the present utility model uses 8mm, when measuring the material of pedestal and using high-carbon steel,
Durability of the present utility model is stronger, reaches optimum state to the measurement efficiency of bridge displacement measurement.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of bridge displacement measurement apparatus, its structure includes measurement pedestal（1）, connection metal shaft（2）, firm banking（3）, letter
Number launch-box（4）, wave filter（5）, miniature displacement sensing sliding block（6）, slide bar bulb（7）, connecting shaft（8）, attaching nut（9）,
It is characterized in that：
The connection metal shaft（2）It is fixedly connected on measurement pedestal（1）Right end face, the firm banking（3）Fixed welding
In measurement pedestal（1）Rear surface, the firm banking（3）Upper end face be embedded with connecting hole（30）, the signal hair
Penetrate box（4）By being electrically connected to connection metal shaft（2）Right end face, the signal launch-box（4）Inside be provided with cavity, institute
State wave filter（5）By being electrically connected to signal launch-box（4）Internal cavities in, the miniature displacement sensing sliding block（6）Activity
It is connected to measurement pedestal（1）Upper end face；
The wave filter（5）By device outer case（50）, connecting plate（51）, fixing hole（52）, connection sheet metal（53）, inductance element
（54）Composition, the connecting plate（51）It is fixedly connected on device outer case（50）Front-end surface, the fixing hole（52）It is embedded in
Connecting plate（51）Front-end surface, the device outer case（50）Front-end surface cave inward to form groove, the connection metal
Piece（53）By being electrically connected to device outer case（50）Interior grooves in, the inductance element（54）By being electrically connected to outside device
Shell（50）Front-end surface, the connection sheet metal（53）, inductance element（54）It is arranged in order from top to bottom；
The slide bar bulb（7）It is movably connected on miniature displacement sensing sliding block（6）Upper end face, the connecting shaft（8）It is fixed
It is connected to signal launch-box（4）Front-end surface, the attaching nut（9）It is movably connected on connecting shaft（8）Front-end surface.
A kind of 2. bridge displacement measurement apparatus according to claim 1, it is characterised in that：The measurement pedestal（1）It is outer
The left and right portion in surface is nested with annular boss（10）, the measurement pedestal（1）Upper end face be fixedly connected with graduation mark（11）.
A kind of 3. bridge displacement measurement apparatus according to claim 2, it is characterised in that：The annular boss（10）With survey
Measure pedestal（1）Between using interference fit by the way of be connected.
A kind of 4. bridge displacement measurement apparatus according to claim 1, it is characterised in that：The firm banking（3）With survey
Measure pedestal（1）Between be in mutually orthogonal relationship, the firm banking（3）Quantity be 2.
A kind of 5. bridge displacement measurement apparatus according to claim 1, it is characterised in that：The connecting shaft（8）Appearance
Face is arranged with external screw thread, the attaching nut（9）Inner surface be arranged with internal thread, the connecting shaft（8）With attaching nut（9）
It is connected by engaging between external screw thread and internal thread.
A kind of 6. bridge displacement measurement apparatus according to claim 1, it is characterised in that：The slide bar bulb（7）Pass through
Screw and miniature displacement sensing sliding block（6）Upper end face be flexibly connected, the slide bar bulb（7）Internal diameter be 6-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023130.2U CN207113840U (en) | 2017-08-16 | 2017-08-16 | A kind of bridge displacement measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023130.2U CN207113840U (en) | 2017-08-16 | 2017-08-16 | A kind of bridge displacement measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207113840U true CN207113840U (en) | 2018-03-16 |
Family
ID=61579034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721023130.2U Expired - Fee Related CN207113840U (en) | 2017-08-16 | 2017-08-16 | A kind of bridge displacement measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207113840U (en) |
-
2017
- 2017-08-16 CN CN201721023130.2U patent/CN207113840U/en not_active Expired - Fee Related
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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: 20180316 Termination date: 20180816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |