CN208366511U - A kind of cable force monitoring device based on fiber-optic grating sensor - Google Patents
A kind of cable force monitoring device based on fiber-optic grating sensor Download PDFInfo
- Publication number
- CN208366511U CN208366511U CN201821130315.8U CN201821130315U CN208366511U CN 208366511 U CN208366511 U CN 208366511U CN 201821130315 U CN201821130315 U CN 201821130315U CN 208366511 U CN208366511 U CN 208366511U
- Authority
- CN
- China
- Prior art keywords
- hold assembly
- hole
- drag
- line
- cable force
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of cable force monitoring device based on fiber-optic grating sensor, belongs to technical field of optical fiber sensing.The cable force monitoring device includes clamping components, drag-line and sensor；Clamping components are mounted on drag-line, tightening nut is fixed on clamping components on drag-line；Sensor is mounted on clamping components again, covers cover board, screw is screwed into and clamps sensor.Device described in the utility model for cable force monitoring can make different-diameter clamping components and different length sensor according to demand, have the advantages that easy for installation, measurement accuracy is high, structure novel, long-time stability are good.
Description
Technical field
The utility model relates to a kind of cable force monitoring device based on fiber-optic grating sensor belongs to optical fiber sensing technology neck
Domain, the present apparatus can accurately measure Suo Li variation.
Background technique
Currently, the technology of measurement Suo Li has very much, direct method and indirect method can be divided into.Direct method is mainly logical
It crosses and is embedded to power or strain transducer in drag-line to measure Suo Li variation, such as Resistance Strain Gages Method, such methods are usually by ring
The limitation of border condition, and jitter, sensor survival rate are low；Indirect method is mainly to test some related ginsengs of drag-line
Then number obtains Suo Li variation by theory analysis, such as magnetic flux method, such methods need plurality of devices, and to measurement essence
Degree requires high, influence of the measurement result vulnerable to environmental factors such as temperature.It can be seen that and grind from above-mentioned the problems of the prior art
Study carefully that design a kind of novel cable force monitoring device be very necessary.
Utility model content
For above-mentioned defect in the prior art, the purpose of this utility model is to provide a kind of dresses for cable force monitoring
It sets.The device have easy for installation, high sensitivity, electromagnetism interference, long transmission distance, convenient for protecting and be able to achieve long-range monitoring
The characteristics of.
The technical solution of the utility model includes:
A kind of cable force monitoring device based on fiber-optic grating sensor, including hold assembly, drag-line 4 and FBG sensor 1；
Two groups of hold assembly intervals are mounted on drag-line 4, are fixed on hold assembly on drag-line 4 by nut 5；Described
Hold assembly includes two the second hold assemblies 3 and first hold assembly 2, and three cooperates, and is fixed on the outer of drag-line 4
Circumference；
First hold assembly 2 is the block that inner surface and drag-line 4 are bonded to each other, and both ends are the first through hole
12, outer surface is equipped with hold assembly groove 9, has hank knotting hole 8 in two protrusions of hold assembly groove 9；
Second hold assembly 3 is the block that inner surface and drag-line 4 are bonded to each other, and one end is third through hole
10, the other end is the second through hole 11, and the hole of third through hole 10 and the second through hole 11 is to being mutually perpendicular to；Equally, the second folder
The outer surface for holding component 3 is equipped with hold assembly groove 9, has hank knotting hole 8 in two protrusions of hold assembly groove 9；
The third through hole 10 of two the second hold assemblies 3 is corresponding, and is fixed by the docking of nut 5；First clamping part
Part 2 is docked with the first through hole 12 of the second hold assembly 3 with the second through hole 11, and fixed by pin 7；
FBG sensor 1 is mounted on the hold assembly groove 9 of hold assembly, is fixed by cover board 6 and the cooperation of screw 13,
FBG sensor 1 is fixedly clamped.
6 one side of cover board is lid panel notches 15, for cooperating FBG sensor 1；The both ends of lid panel notches 15 are the
Four through holes 14；
1 length of FBG sensor is designed according to detection requirement.
The internal diameter and drag-line outer diameter of the hold assembly just as.
The utility model has the beneficial effects that
(1) device described in the utility model for cable force monitoring, same position have three FBG sensor monitorings simultaneously
Suo Li variation, can reduce influence of the environmental factor to Suo Li.
(2) device described in the utility model for cable force monitoring, same position have three FBG sensors, can be right
Whether drag-line bends in use and bending direction is differentiated.
(3) device described in the utility model for cable force monitoring, has at low cost, and production is simple, easy for installation, make
With the feature that the service life is long.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model cable force monitoring device.
Fig. 2 is the structural schematic diagram of the utility model cable force monitoring device hold assembly 1.
Fig. 3 is the structural schematic diagram of the utility model cable force monitoring device hold assembly 2.
Fig. 4 is the structural schematic diagram of the utility model cable force monitoring device cover board.
In figure: 1FBG sensor；2 first hold assemblies；3 second hold assemblies；4 drag-lines；5 nuts；6 cover boards；7 pins；8
Hank knotting hole；9 hold assembly grooves；10 third through holes；11 second through holes；12 first through holes；13 screws；14 the 4th run through
Hole；15 lid panel notches.
Specific embodiment
Below in conjunction with technical solution and Figure of description, in detail narration specific embodiment of the present utility model.
Shown in referring to figure 1, figure 2 and figure 3, the utility model embodiment provides a kind of device for cable force monitoring, comprising:
Hold assembly, drag-line 4 and sensor 1.Hold assembly includes two the second hold assemblies 3 and first hold assembly 2, three
It cooperates, is fixed on the excircle of drag-line 4；First hold assembly 2 and the second hold assembly 3 are inner surface and 4 phase of drag-line
The block being mutually bonded, wherein 2 both ends of the first hold assembly are the first through hole 12, and 3 one end of the second hold assembly is run through for third
Hole 10, the other end are the second through hole 11, and the hole of third through hole 10 and the second through hole 11 is to being mutually perpendicular to；First clamping part
Part 2 is docked with the first through hole 12 of the second hold assembly 3 with the second through hole 11, and fixed by pin 7, and bearing uses
Toroidal design, it is ensured that can arbitrarily be rotated between the first hold assembly 2 and the second hold assembly 3, convenient for the installation of hold assembly；
The third through hole 10 of two the second hold assemblies 3 is corresponding, and is fixed by the docking of nut 5, so that hold assembly be fixed
On drag-line 4.
First hold assembly 2 and the second hold assembly are equipped with hold assembly groove 9, hold assembly groove 9 on 3 outer surface
Two protrusions on have hank knotting hole 8；After hold assembly is installed, FBG sensor 1 is mounted on the clamping part of hold assembly
On part groove 9, is fixed by cover board 6 and the cooperation of screw 13, FBG sensor 1 is fixedly clamped.
The above are the preferable embodiments of the utility model, and but protection scope of the utility model is not limited thereto, this
Utility model can be not only used for the cable force monitoring of drag-line, it can also be used to supervise to submarine cable, optical cable, other various line structures
It surveys.All those familiar with the art are according to the present utility model in technical scope disclosed by the utility model
The design of technical solution and its utility model, which is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
Within.
Claims (3)
1. a kind of cable force monitoring device based on fiber-optic grating sensor, which is characterized in that the cable force monitoring device includes
Hold assembly, drag-line (4) and FBG sensor (1)；
Two groups of hold assembly intervals are mounted on drag-line (4), are fixed on hold assembly on drag-line (4) by nut 5；Described
Hold assembly includes two the second hold assemblies (3) and first hold assembly (2), and three cooperates, and is fixed on drag-line
(4) excircle；
First hold assembly (2) is inner surface and the block that drag-line (4) are bonded to each other, and both ends are the first through hole
(12), outer surface is equipped with hold assembly groove (9), has hank knotting hole in two protrusions of hold assembly groove (9)
(8)；
Second hold assembly (3) is inner surface and the block that drag-line (4) are bonded to each other, and one end is third through hole
(10), the other end is the second through hole (11), and the hole of third through hole (10) and the second through hole (11) is to being mutually perpendicular to；Together
The outer surface of sample, the second hold assembly (3) is equipped with hold assembly groove (9), in two protrusions of hold assembly groove (9) respectively
It is provided with hank knotting hole (8)；
The third through hole (10) of two the second hold assemblies (3) is corresponding, and is fixed by the docking of nut 5；First clamping part
Part (2) is docked with the first through hole (12) of the second hold assembly (3) with the second through hole (11), and fixed by pin 7；
FBG sensor (1) is mounted on the hold assembly groove (9) of hold assembly, is cooperated by cover board (6) and screw 13 solid
It is fixed, FBG sensor (1) is fixedly clamped.
2. cable force monitoring device according to claim 1, which is characterized in that cover board (6) one side is that cover board is recessed
Slot (15), for cooperating FBG sensor (1)；The both ends of lid panel notches (15) are the 4th through hole (14).
3. cable force monitoring device according to claim 1 or 2, which is characterized in that the internal diameter of the hold assembly and drawing
Rope (4) outer diameter just as.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130315.8U CN208366511U (en) | 2018-07-17 | 2018-07-17 | A kind of cable force monitoring device based on fiber-optic grating sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821130315.8U CN208366511U (en) | 2018-07-17 | 2018-07-17 | A kind of cable force monitoring device based on fiber-optic grating sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366511U true CN208366511U (en) | 2019-01-11 |
Family
ID=64925471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821130315.8U Expired - Fee Related CN208366511U (en) | 2018-07-17 | 2018-07-17 | A kind of cable force monitoring device based on fiber-optic grating sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680291A (en) * | 2018-07-17 | 2018-10-19 | 大连理工大学 | A kind of cable force monitoring device based on fiber-optic grating sensor |
| WO2021161025A1 (en) * | 2020-02-14 | 2021-08-19 | Trelleborg Offshore Uk Ltd | A device for monitoring strain of an elongate underwater member |
-
2018
- 2018-07-17 CN CN201821130315.8U patent/CN208366511U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680291A (en) * | 2018-07-17 | 2018-10-19 | 大连理工大学 | A kind of cable force monitoring device based on fiber-optic grating sensor |
| CN108680291B (en) * | 2018-07-17 | 2024-01-05 | 大连理工大学 | Cable force monitoring device based on fiber bragg grating sensor |
| WO2021161025A1 (en) * | 2020-02-14 | 2021-08-19 | Trelleborg Offshore Uk Ltd | A device for monitoring strain of an elongate underwater member |
| GB2607820A (en) * | 2020-02-14 | 2022-12-14 | Crp Subsea Ltd | A device for monitoring strain of an elongate underwater member |
| GB2607820B (en) * | 2020-02-14 | 2024-02-21 | Crp Subsea Ltd | A device for monitoring strain of an elongate underwater member |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109520666B (en) | Nondestructive monitoring method for pressure inside pipeline | |
| CN108760109B (en) | Variable-range soil pressure measuring device and method based on Bragg fiber grating | |
| CN208366511U (en) | A kind of cable force monitoring device based on fiber-optic grating sensor | |
| CN105043613A (en) | Cable stress measuring device based on fiber grating sensing technology | |
| CN207050903U (en) | Force measuring device in a kind of drag-line based on cable body strain | |
| CN108680291A (en) | A kind of cable force monitoring device based on fiber-optic grating sensor | |
| CN203572581U (en) | Temperature measuring device for cable terminal | |
| CN104655002A (en) | Rock specimen deformation measurement device and radial and axial deformation measurement method | |
| CN203337352U (en) | Eddy current sensor multi-channel dynamic calibration device | |
| CN206557244U (en) | A kind of vibration sensor based on paired dim light grid | |
| CN102735539A (en) | Resistance strain type eccentric-eliminating extensometer and use method thereof | |
| CN105606295A (en) | Distributed thin film pressure sensor based on optical fiber back Rayleigh scattering | |
| CN104502041A (en) | Device and method for detecting elasticity of elastic ring parts for aeroengine | |
| CN103344562A (en) | Multi-point optical fiber corrosion monitoring device | |
| CN202614435U (en) | Compound optical fiber strain/temperature sensing device | |
| RU153908U1 (en) | MEASURING COMPLEX FOR TESTS OF CONSTRUCTION STRUCTURES, BUILDINGS AND CONSTRUCTIONS | |
| CN203908702U (en) | Multi-point humiture measuring indicator | |
| CN208459149U (en) | A kind of displacement measuring device and testing machine suitable for material tensile test | |
| CN107505069B (en) | Pressure detection system based on capacitive displacement sensor | |
| CN203323666U (en) | Thickness measuring device | |
| CN211262539U (en) | Spring contact finger holding force testing device | |
| CN208568135U (en) | Electric connector keeps force test device | |
| CN204831657U (en) | Cable body stress measurement device based on fiber bragg grating sensor technique | |
| CN109269912B (en) | Mining adhesive tape bending stiffness electronic detector | |
| CN203053808U (en) | Labeled block fixing frame for calibrating test sample measuring mechanism of tensile testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20210717 |