CN205474827U - Anchor head moisture absorption and monitoring devices - Google Patents
Anchor head moisture absorption and monitoring devices Download PDFInfo
- Publication number
- CN205474827U CN205474827U CN201620049256.6U CN201620049256U CN205474827U CN 205474827 U CN205474827 U CN 205474827U CN 201620049256 U CN201620049256 U CN 201620049256U CN 205474827 U CN205474827 U CN 205474827U
- Authority
- CN
- China
- Prior art keywords
- water
- anchor head
- fiber grating
- shell
- permeable shell
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an anchor head moisture absorption and monitoring devices, including cyclic annular fiber grating, cavity ring -type permeate water shell and column water absorbent resin, fiber grating ring cover is outside the shell that permeates water, and in the shell that permeates water was located to the water absorbent resin cover, the shell week side of permeating water was formed with a plurality of holes, and permeates water the shell and made by the material of easy deformation, still be used for warping the transmission fiber that signal transmission gave outside demodulated equipment with it including connecting fiber grating. The utility model discloses with the help of water absorbent resin's water absorption character, realized the initiative dehumidification of anchor head, reduce the corruption infringement of ponding to the anchor head. As this resin water expansion's sensing device, fiber grating have small, sensitivity is high, advantage such as anticorrosive, the environment survival down that can be corroded by ponding at the anchor head. Compared with the prior art, it has a simple to operate, initiative protection, on -line monitoring's advantage.
Description
Technical field
This utility model relates to bridge technical field of anticorrosion, especially relates to a kind of bridge
Cable anchor head moisture absorption and monitoring device.
Background technology
Along with the accelerated development of China's capital construction, the quantity of bridge construction is constantly
Increasing, rope bridge is also developing progressively as a kind of important bridge type.Cable is as
The supporting member of crucial most fragile, rotten at heavily stressed, bridge floor alternate load and environment
Under the common effect of erosion medium, it is easily caused overcoat and lost efficacy, make steel wire suffer erosion,
Thus have influence on durability and the safety of whole bridge.When cable protection coating materials is sent out
Raw cracking, cable is directly exposed in rainwater and dampness to be corroded.Tighter
Weight situation be rainwater along cable direction, build up the anchor head relatively concentrated in stress ratio
Position, and then cause corrosion fatigue damage.The cave-in accident of rope bridge comes from this more, no
Only bring serious economic loss, even cause the injures and deaths of personnel.Damaged by anchor head corrosion
The bridge collapse that causes of wound in recent years both at home and abroad time have been reported that.In order to protect anchor head not by
Corrosion, existing anchor head aseptic technic mainly has a following two: 1, zinc-plated or application,
For preventing zinc-plated rear generation hydrogen embrittlement from destroying, strict dehydrogenation should be carried out after zinc-plated process
Process.2, perfusion oils and fats in anchor head, i.e. with being full of the anchor cup of oils and fats by whole anchor head
Cover, make anchor head and steam isolation.The weak point of the method be oils and fats water and its
Can lose efficacy under the effect of its corrosive medium.Prior art is all confined to passive protection,
And can not carry out on one's own initiative steam being absorbed and hydrops being monitored.
Summary of the invention
In order to solve above-mentioned technical problem, the utility model proposes a kind of anchor head moisture absorption and
Monitoring device, it is possible to actively moisture absorption hydrops is monitored.
The technical solution of the utility model is achieved in that
A kind of anchor head moisture absorption and monitoring device, including annular fiber grating, hollow and annular
Permeable shell and column water-absorbing resin, described fiber grating is located on described permeable shell
Outward, described water-absorbing resin is sheathed in described permeable shell, described permeable shell week side
It is formed with some holes, and described permeable shell is made up of the material being easily deformed；Also
Including connecting described fiber grating for its deformation signal being transferred to the demodulation of outside
The Transmission Fibers of equipment.
Further, described permeable shell is made up of the elastomeric material being easily deformed.
Further, described fiber grating is circular, and described permeable shell is hollow
Cylindric, described water-absorbing resin is cylindrical.
Further, described fiber grating hoop is pasted on all sides of described permeable shell
On face.
Further, some described holes are arranged into lattice-shaped.
The beneficial effects of the utility model are: this utility model provides a kind of anchor head moisture absorption
And monitoring device, can supplementing as existing anchor head aseptic technic.By in week side
Water-absorbing resin is set in there is the permeable shell of some holes, and in side of permeable shell week
It is arranged circumferentially fiber grating, and connects fiber grating and outside demodulation by sensor fibre
Equipment, it is possible to realize actively moisture absorption the function that hydrops is monitored.Its work is former
Manage as follows: utilize the superior water suction of water-absorbing resin and the performance of expansion, at anchor head
Steam and accumulated water absorbing, it is achieved thereby that the Active dehumidification of anchor head, reduce hydrops to anchor
The corrosion attack of head.While water suction, this water-absorbing resin expands, due to permeable
Shell has deformability characteristics, and the deformation of permeable shell causes the deformation of fiber grating,
As the senser element of this water-absorbing resin imbibition, fiber grating have volume little,
The advantage such as highly sensitive, anticorrosive, can survive in the environment of anchor head is corroded by hydrops,
The on-line real time monitoring of anchor head hydrops can be realized.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model Structure of cross section schematic diagram.
In conjunction with accompanying drawing, make the following instructions:
The 1 permeable shell of fiber grating 2
3 water-absorbing resin 4 Transmission Fibers
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to this reality for enabling this utility model to become apparent from
It is described in detail by novel detailed description of the invention.
As depicted in figs. 1 and 2, a kind of anchor head moisture absorption and monitoring device, including ring-type
The permeable shell of fiber grating 1, hollow and annular 2 and column water-absorbing resin 3, described light
Fine grating is located on outside described permeable shell, and described water-absorbing resin is sheathed on described permeable
In shell, described permeable shell week side be formed with some holes, and described permeable shell
It is made up of the material being easily deformed；Also include connecting described fiber grating for being become
Shape signal is transferred to the Transmission Fibers 4 of the demodulated equipment of outside.So, by week
Side arranges water-absorbing resin in having the permeable shell of some holes, and outside permeable shell
All sides are arranged circumferentially fiber grating, and connect fiber grating and outside by sensor fibre
Demodulated equipment, it is possible to realize actively moisture absorption the function that hydrops is monitored.
Its operation principle is as follows: utilize the superior water suction of water-absorbing resin and the property of expansion
Can, by the steam at anchor head and accumulated water absorbing, it is achieved thereby that the Active dehumidification of anchor head,
Reduce the hydrops corrosion attack to anchor head.While water suction, this water-absorbing resin occurs swollen
Swollen, owing to permeable shell has deformability characteristics, the deformation of permeable shell causes optical fiber
The deformation of grating, as the senser element of this water-absorbing resin imbibition, fiber grating
There is the advantages such as volume is little, highly sensitive, anticorrosive, can be corroded by hydrops at anchor head
In the environment of survive, the on-line real time monitoring of anchor head hydrops can be realized.
Preferably, described permeable shell is made up of the elastomeric material being easily deformed.
Preferably, described fiber grating is circular, and described permeable shell is hollow circle
Column, described water-absorbing resin is cylindrical.
Preferably, described fiber grating hoop is pasted on all sides of described permeable shell
On.
Preferably, some described holes are arranged into lattice-shaped.
The manufacture method of this utility model anchor head moisture absorption and monitoring device is as follows:
First, columned water-absorbing resin is inserted the permeable shell of hollow cylindrical
In, this permeable shell is made by quality of rubber materials, and therefore shell can be along with the water suction of resin
Expand and deform simultaneously.Permeable shell be arranged circumferentially grid hole, with convenient
The infiltration of hydrops.Then, the outer circumferential side hoop at permeable shell pastes fiber grating,
The expansive force produced with monitoring water-absorbing resin.
To sum up, this utility model is by the water absorption character of water-absorbing resin, it is achieved that anchor head
Active dehumidification, reduce the hydrops corrosion attack to anchor head.Swollen as the water suction of this resin
Swollen senser element, it is little, highly sensitive, anticorrosive etc. excellent that fiber grating has volume
Point, can survive in the environment of anchor head is corroded by hydrops, can realize anchor head hydrops
Line is monitored in real time.
Above example is referring to the drawings, carries out preferred embodiment of the present utility model
Describe in detail.Those skilled in the art is by carrying out various forms to above-described embodiment
On amendment or change, but without departing substantially from essence of the present utility model in the case of, all fall
Within protection domain of the present utility model.
Claims (5)
1. an anchor head moisture absorption and monitoring device, it is characterised in that: include ring-shaped light
Fine grating (1), the permeable shell of hollow and annular (2) and column water-absorbing resin (3),
Described fiber grating is located on outside described permeable shell, and described water-absorbing resin is sheathed on institute
State in permeable shell, described permeable shell week side be formed with some holes, and described
Water shell is made up of the material being easily deformed；Also include connecting described fiber grating for
Its deformation signal is transferred to the Transmission Fibers (4) of the demodulated equipment of outside.
A kind of anchor head moisture absorption the most according to claim 1 and monitoring device, its
It is characterised by: described permeable shell is made up of the elastomeric material being easily deformed.
A kind of anchor head moisture absorption the most according to claim 1 and monitoring device, its
Being characterised by: described fiber grating is circular, described permeable shell is hollow circuit cylinder
Shape, described water-absorbing resin is cylindrical.
A kind of anchor head moisture absorption the most according to claim 1 and monitoring device, its
It is characterised by: described fiber grating hoop is pasted on all sides of described permeable shell
On.
A kind of anchor head moisture absorption the most according to claim 1 and monitoring device, its
It is characterised by: some described holes are arranged into lattice-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620049256.6U CN205474827U (en) | 2016-01-19 | 2016-01-19 | Anchor head moisture absorption and monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620049256.6U CN205474827U (en) | 2016-01-19 | 2016-01-19 | Anchor head moisture absorption and monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205474827U true CN205474827U (en) | 2016-08-17 |
Family
ID=56670271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620049256.6U Withdrawn - After Issue CN205474827U (en) | 2016-01-19 | 2016-01-19 | Anchor head moisture absorption and monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205474827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544387A (en) * | 2016-01-19 | 2016-05-04 | 江苏三川智能科技有限公司 | Anchor head moisture absorbing and monitoring device |
| CN107794842A (en) * | 2017-10-20 | 2018-03-13 | 宁波大学 | A kind of high-performance durable anti-corrosion dragline anchorage and its construction method |
-
2016
- 2016-01-19 CN CN201620049256.6U patent/CN205474827U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544387A (en) * | 2016-01-19 | 2016-05-04 | 江苏三川智能科技有限公司 | Anchor head moisture absorbing and monitoring device |
| CN107794842A (en) * | 2017-10-20 | 2018-03-13 | 宁波大学 | A kind of high-performance durable anti-corrosion dragline anchorage and its construction method |
| CN107794842B (en) * | 2017-10-20 | 2023-05-05 | 宁波大学 | High-performance durable anti-corrosion inhaul cable anchorage device and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205474827U (en) | Anchor head moisture absorption and monitoring devices | |
| US8425111B2 (en) | Bridge intelligent cable system with built-in fiber grating sensor | |
| CN108221670B (en) | Intelligent parallel steel wire rope suitable for stay ropes, suspension ropes and hanging rod ropes | |
| CN201535705U (en) | Fiber bragg grating pipeline stress hoop | |
| WO2008140032A1 (en) | Fluid pouring type actuator | |
| CN102235921A (en) | Optical fiber sensor for detecting strain and temperature change simultaneously | |
| CN209470718U (en) | A kind of fibre system being preset in shield tunnel | |
| CN204945097U (en) | Waveguide rod for acoustic emission detection | |
| CN103277387A (en) | Intelligent bolt for optical fiber grating sensor | |
| CN105544387B (en) | Anchor head moisture absorption and monitoring device | |
| CN105841843A (en) | Optical fiber grating network arrangement structure in battery pack | |
| CN112031845B (en) | Coal rock interface stability measuring device of fiber grating composite construction | |
| CN202720372U (en) | Tight sleeve fiber bragg grating string sensing fiber cable | |
| CN205842075U (en) | A kind of bypass straight tube pressure-type expansion joint of band leakage monitoring function | |
| CN101694372A (en) | Intelligent cable fiber grating strain sensor | |
| CN107367239A (en) | A kind of loop configuration high-temperature pipe outer wall strain detecting fiber-optic grating sensor part | |
| CN106568390A (en) | Concrete freeze-thaw expansion strain sensor | |
| CN104777572A (en) | Aerial high-temperature-resistant loose optical cable and preparation method thereof | |
| CN207176495U (en) | A kind of bridge machinery attending device | |
| CN204457829U (en) | Rockbolt stress state rapid evaluation device | |
| CN203502022U (en) | Optical fiber sensing coil preparation device capable of releasing internal winding stress | |
| CN103873140A (en) | Repairing method for optical fiber sensing network based on ring topology structure | |
| CN205301090U (en) | Sand control screen pipe water pressure test device | |
| CN204556926U (en) | The high temperature resistant loosely shielded optical cable of aviation | |
| CN106918294A (en) | The method that application distribution formula bare optical fibers and bare optical gratings carry out building structure health monitoring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20171027 |