CN203772205U - Bridge displacement measuring device - Google Patents
Bridge displacement measuring device Download PDFInfo
- Publication number
- CN203772205U CN203772205U CN201420013730.0U CN201420013730U CN203772205U CN 203772205 U CN203772205 U CN 203772205U CN 201420013730 U CN201420013730 U CN 201420013730U CN 203772205 U CN203772205 U CN 203772205U
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- China
- Prior art keywords
- bridge
- measuring device
- displacement measuring
- voltage divider
- resistance scale
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- 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.)
- Expired - Lifetime
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a bridge displacement measuring device, which comprises a base and resistance gauges. The base is arranged on a to-be-measured bridge pier and located in an expansion joint region between adjacent two bridge beam slabs; the resistance gauges are arranged on the base; and the outer end of a voltage divider sliding rod of the resistance gauge is connected with the end surface of the bridge beam slabs. According to the bridge displacement measuring device, a brand new monitoring means is provided for displacement measurement between the bridge beam slab and the bridge pier, the needed hardware is simple, and bridge displacement data can be continuously monitored for a long time in real time.
Description
Technical field
The utility model relates to a kind of bridge safety supervision technology, relates in particular to a kind of bridge displacement measuring device.
Background technology
Beam body on bridge (being also beam slab) is the key parameter in bridge health monitoring with the relative shift of bridge pier, so far, in prior art, also do not have directly to measure the instrument of this displacement, the general mode of artificial regular detection that all adopts is measured, the reliability of manual detection and dirigibility are all poor, not only measuring cost high, and cannot realize real-time measurement, there is certain security risk in work high above the ground simultaneously.
Utility model content
Technical problem to be solved in the utility model has been to provide a kind of bridge displacement measuring device of measuring without artificial scene.
A kind of bridge displacement measuring device provided by the utility model, comprise base and resistance scale, described base is arranged in the expansion joint area on bridge pier to be measured and between two bridge beam slabs adjacent with this bridge pier to be measured, described resistance scale is arranged on base, and the outer end of the voltage divider slide bar of described resistance scale is connected with the end face of a bridge beam slab wherein.
Further, be also provided with communication module on described base, described communication module is sent to remote monitoring platform by wireless network by the detection signal of resistance scale.
Further, on the voltage divider slide bar of described resistance scale, total length is provided with scale.
Further, be also provided with image collecting device on described base, the shooting area of described image collecting device covers the voltage divider slide bar of described resistance scale.
Another bridge displacement measuring device provided by the utility model, comprise base, the first resistance scale and the second resistance scale, described base is arranged in the expansion joint area on bridge pier to be measured and between two bridge beam slabs adjacent with this bridge pier to be measured, described first and second resistance scale is all arranged on base, and the outer end of the voltage divider slide bar of described first and second resistance scale is towards the opposite to be connected with the end face of described two bridge beam slabs respectively.
Further, be also provided with communication module on described base, described communication module is sent to remote monitoring platform by wireless network by the detection signal of first and second resistance scale.
Further, on the voltage divider slide bar of described first and second resistance scale, total length is provided with scale, and the voltage divider slide bar of described first and second resistance scale exists overlapping region on the length direction of each voltage divider slide bar.
Further, be also provided with image collecting device on described base, the shooting area of described image collecting device covers the overlapping region of the voltage divider slide bar of described first and second resistance scale.
Above-mentioned bridge displacement measuring device provides a kind of brand-new monitoring means for the displacement measurement between bridge beam slab and bridge pier, and required hardware is simple, can carry out for a long time bridge displacement data, continuously, monitoring in real time.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing;
Fig. 1 is the structural representation of the better embodiment of the utility model bridge displacement measuring device.
Fig. 2 is the block scheme of the better embodiment of the utility model bridge displacement measuring device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Should be understood that, although can use the terms such as " first ", " second " to describe various elements herein, these elements should not limited by these terms.These terms are only used for distinguishing an element and another element.Therefore " first " element of, below discussing also can be called as " second " element and not depart from instruction of the present utility model.Should be understood that, when mentioning an element " connection " or " connection " to another element, it can directly connect or directly be connected to another element or also can have intermediary element.On the contrary, when mentioning that an element " directly connects " or " directly connecting " arrives another element, there is not intermediary element.
Term is only not intended to conduct to restriction of the present utility model for describing the object of concrete embodiment as used herein.As used herein, unless context clearly point out in addition, singulative intention also comprises plural form.
It should be further understood that, when using in this manual term " to comprise " and/or when " including ", these terms have indicated the existence of described feature, integral body, step, operation, element and/or parts, but also do not get rid of the existence of above other features, integral body, step, operation, element, parts and/or its group and/or add.
Refer to Fig. 1, Fig. 1 is the structural representation of a kind of bridge displacement measuring device of the utility model, the better embodiment of the described bridge displacement measuring device based on resistance scale comprises base 1 and resistance scale 2, described base 1 is fixed on bridge pier to be measured 3, and in the expansion joint area between two bridge beam slabs 4 adjacent with this bridge pier to be measured 3.Described resistance scale 2 is arranged on base 1, and the outer end of the voltage divider slide bar 21 of described resistance scale 2 is connected with the end face of a bridge beam slab 4 wherein.In present embodiment, the effect of described base 1 is contact resistance chi 2 and bridge pier 3 to be measured.In the utility model, because described resistance scale 2 is relative fixing with the position of bridge pier 3 to be measured, and the outer end of the voltage divider slide bar 21 of described resistance scale 2 is connected with the end face of beam slab 4, therefore when being subjected to displacement between bridge beam slab 4 and bridge pier 3, the voltage divider slide bar 21 of described resistance scale 2 will move, by the resistance sizes of measuring on voltage divider, can know the length that voltage divider slide bar 21 is flexible, be also the displacement between bridge beam slab 4 and bridge pier 3.The utility model can carry out long-term, continuous measurement to the displacement between bridge pier 3 and bridge beam slab 4, this has just solved the problem that lacks specialized equipment in prior art, resistance scale can be measured the change in displacement between bridge pier and beam slab in real time, accurately, continuously, can provide reliably for bridge safety supervision, data supporting accurately.
Further, in other embodiments, the quantity of described resistance scale 2 also can be two, and wherein the voltage divider slide bar 21 of two resistance scales 2 is towards the opposite, and the outer end of the voltage divider slide bar 21 of described two resistance scales 2 connects respectively the end face of two bridge beam slabs 4 adjacent with bridge pier to be measured 3.Adopt after the scheme of two resistance scales, can not only measure the displacement data of single beam slab and bridge pier, can also measure to the width at expansion joint that (width at expansion joint is also the gap between adjacent two beam slabs, it can react the displacement between adjacent two beam slabs, and the width at expansion joint is also the important parameter in bridge safety supervision).
Further, on described base 1, be also provided with communication module 6, described communication module 6 outwards sends the detection signal of resistance scale 2 by wireless network.Because the utility model has comprised communication module 6, so the measurement result of resistance scale can transmit to remote monitoring platform by cable, so that monitoring personnel carry out telemonitoring.Wherein, in present embodiment, described communication module 6 is gsm module.
Further, there is overlapping region in the measurement span of the voltage divider slide bar 21 of two resistance scales 2, there is overlapping region at the length direction along voltage divider slide bar 21 in the voltage divider slide bar 21 that is described two resistance scales 2, and on described voltage divider slide bar 21, total length is provided with scale.Because resistance scale belongs to electronic installation, therefore there will be unavoidably fault, but the reliability of its mechanical part (being also voltage divider slide bar and sliding support parts thereof) is higher, Given this, there is overlapping region in the measurement span of the voltage divider slide bar 21 of two resistance scales 2 in the utility model, and on two voltage divider slide bars 21, total length is provided with scale, after adopting this to improve, even if the electric part of resistance scale breaks down, but voltage divider slide bar 21 still can stretch with bridge structure displacement, staff still can read displacement data intuitively by the scale on voltage divider slide bar 21.
Based on aforementioned schemes, for the ease of the long-range scale that reads, on described base 1, be also provided with image collecting device 5, the shooting area of described image collecting device 5 covers described overlapping region, to take the voltage divider slide bar 21 of two resistance scales 2, and can toward remote monitoring platform, send by communication module 6.
Claims (8)
1. a bridge displacement measuring device, it is characterized in that: described bridge displacement measuring device comprises base and resistance scale, described base is arranged in the expansion joint area on bridge pier to be measured and between two bridge beam slabs adjacent with this bridge pier to be measured, described resistance scale is arranged on base, and the outer end of the voltage divider slide bar of described resistance scale is connected with the end face of a bridge beam slab wherein.
2. bridge displacement measuring device as claimed in claim 1, is characterized in that: on described base, be also provided with communication module, described communication module is sent to remote monitoring platform by wireless network by the detection signal of resistance scale.
3. bridge displacement measuring device as claimed in claim 1, is characterized in that: on the voltage divider slide bar of described resistance scale, total length is provided with scale.
4. bridge displacement measuring device as claimed in claim 3, is characterized in that: on described base, be also provided with image collecting device, the shooting area of described image collecting device covers the voltage divider slide bar of described resistance scale.
5. a bridge displacement measuring device, it is characterized in that: described bridge displacement measuring device comprises base, the first resistance scale and the second resistance scale, described base is arranged in the expansion joint area on bridge pier to be measured and between two bridge beam slabs adjacent with this bridge pier to be measured, described first and second resistance scale is all arranged on base, and the outer end of the voltage divider slide bar of described first and second resistance scale is towards the opposite to be connected with the end face of these two bridge beam slabs respectively.
6. bridge displacement measuring device as claimed in claim 5, is characterized in that: on described base, be also provided with communication module, described communication module is sent to remote monitoring platform by wireless network by the detection signal of first and second resistance scale.
7. bridge displacement measuring device as claimed in claim 5, it is characterized in that: on the voltage divider slide bar of described first and second resistance scale, total length is provided with scale, and on the length direction of each voltage divider slide bar, there is overlapping region in the voltage divider slide bar of described first and second resistance scale.
8. bridge displacement measuring device as claimed in claim 7, is characterized in that: on described base, be also provided with image collecting device, the shooting area of described image collecting device covers the overlapping region of the voltage divider slide bar of described first and second resistance scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013730.0U CN203772205U (en) | 2014-01-09 | 2014-01-09 | Bridge displacement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013730.0U CN203772205U (en) | 2014-01-09 | 2014-01-09 | Bridge displacement measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772205U true CN203772205U (en) | 2014-08-13 |
Family
ID=51289388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420013730.0U Expired - Lifetime CN203772205U (en) | 2014-01-09 | 2014-01-09 | Bridge displacement measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750768A (en) * | 2020-07-29 | 2020-10-09 | 五邑大学 | Bridge expansion joint width monitoring and early warning device |
| CN112880544A (en) * | 2021-01-13 | 2021-06-01 | 马洲 | Bridge expansion joint alarm device for road engineering |
-
2014
- 2014-01-09 CN CN201420013730.0U patent/CN203772205U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750768A (en) * | 2020-07-29 | 2020-10-09 | 五邑大学 | Bridge expansion joint width monitoring and early warning device |
| CN112880544A (en) * | 2021-01-13 | 2021-06-01 | 马洲 | Bridge expansion joint alarm device for road engineering |
| CN112880544B (en) * | 2021-01-13 | 2022-09-09 | 马洲 | Bridge expansion joint alarm device for road engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |