CN109298496B - On-site quick installation device for sensing optical cable and installation method thereof - Google Patents
On-site quick installation device for sensing optical cable and installation method thereof Download PDFInfo
- Publication number
- CN109298496B CN109298496B CN201811474343.6A CN201811474343A CN109298496B CN 109298496 B CN109298496 B CN 109298496B CN 201811474343 A CN201811474343 A CN 201811474343A CN 109298496 B CN109298496 B CN 109298496B
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- optical cable
- metal panel
- installation
- clamping groove
- sensing optical
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
Abstract
The invention provides a field quick installation device for a sensing optical cable, which comprises a metal panel, wherein a positioning installation hole and a fine adjustment installation hole are respectively formed in the metal panel, an optical cable clamping groove is formed in the lower portion of the metal panel, and a plurality of metal convex points are arranged in the optical cable clamping groove. The invention has the advantages of small volume, simple manufacture, easy operation, rapid installation, low rework rate, low cost, small light path microbending loss and reliable anchoring effect, is suitable for the installation of the sensing optical cables with different sizes, structures and cladding materials, and can effectively fix the sensing optical cables on the surfaces of concrete and steel structures.
Description
The technical field is as follows:
the invention belongs to the technical field of optical cable installation, and particularly relates to a field quick installation device for a sensing optical cable.
Background art:
the optical fiber sensing technology is a novel sensing technology which is developed gradually in recent years, has the characteristics of long distance, corrosion resistance, electromagnetic interference resistance, good durability and the like, is widely applied to the field of large-scale foundation engineering such as underground engineering, side slope engineering, bridge and tunnel engineering, pipeline engineering and the like, obtains good effect, and successfully overcomes the defects of complex layout of measuring points, low survival rate, easy electromagnetic interference and the like of the traditional sensor. The sensing optical cable in the sensing system is not only a sensing element but also an optical signal transmission channel, and is an important component of the whole sensing system, so that the installation of the sensing optical cable is of great importance in engineering monitoring.
At present, many engineering examples for monitoring tunnel deformation, pipeline stress and the like by using sensing optical cables have appeared at home and abroad, but the monitoring range is small and is mostly taken as an engineering demonstration point, the scale length is not completely covered, the reason for the phenomenon is manifold, but the mounting speed of the sensing optical cable is a problem to be solved urgently in large-scale application, so that a new mounting process for effectively improving the mounting speed and precision is needed to be provided to solve the problem.
The existing installation mode of the sensing optical cable mainly comprises a pre-embedded mode, a full-sticking mode, a fixed-point clamp and the like, the pre-embedded mode and the full-sticking mode are sensitive to deformation at a small distance, and if the deformation amount in the small distance is large, the limit strain of the sensing optical cable is extremely easy to reach, so that the damage of a monitoring circuit is caused. Under the condition, a fixed-point laying mode is selected, the strain transmission performance of the sensing optical cable is greatly influenced by simple physical anchoring, the traditional clamp is complex in design, common public sheets and mother sheets are divided, the construction speed is low, and the sensing optical cable is not easy to be laid rapidly in a large area.
The invention content is as follows:
in order to solve the problems, the invention aims to provide a field quick installation device for a sensing optical cable, which has the advantages of simple structure, firm anchoring, simple construction, quick installation and low cost.
The invention provides the following technical scheme:
the utility model provides a be used for on-spot quick installation device of sensing optical cable, includes metal decking, be equipped with location mounting hole and fine setting mounting hole on the metal decking respectively, metal decking has the optical cable draw-in groove, be equipped with a plurality of metal bumps in the optical cable draw-in groove.
Preferably, the positioning and mounting hole is formed in the center of the metal panel.
Preferably, the fine tuning mounting holes comprise a transverse fine tuning mounting hole and a longitudinal fine tuning mounting hole, and the transverse fine tuning mounting hole and the longitudinal fine tuning mounting hole are respectively arranged on the upper portion of the metal panel.
Preferably, the optical cable clamping groove is formed in the lower portion of the metal panel.
Preferably, the groove width of the optical cable clamping groove is larger than the diameter of the sensing optical cable.
Preferably, the metal bumps are uniformly distributed in the optical cable clamping groove.
Preferably, the metal panel is made of high-strength thin-wall steel plates.
Preferably, the metal panels are directly fixed to the surface of the concrete or steel structure by means of drilled rivets, adhesives or welding.
An installation method for a field quick installation device of a sensing optical cable comprises the following steps:
s1: determining the position of a mounting hole, determining the position of the mounting hole on the surface of a measured object, performing fixed-point superposition on the positioning mounting hole and the position of the mounting hole, and preliminarily fixing the metal panel on the surface of the measured object;
s2: fine adjustment is carried out on the device, the position of the metal panel is adjusted by utilizing the fine adjustment mounting hole, and the mounting device is fully fixed on the surface of the object to be measured;
s3: and (3) installing an optical cable, injecting an adhesive into the optical cable clamping groove, clamping the sensing optical cable into the optical cable clamping groove, injecting the adhesive, and completing installation after the optical cable to be transmitted is fully anchored with the adhesive and the installation device.
Preferably, the preliminary fixing in S1 and the sufficient fixing in S2 are one of drill rivet fixing, adhesive fixing, or welding fixing.
Preferably, after the optical fiber cable is sufficiently anchored in S3, the optical fiber cable is guided to both ends of the monitoring line, and the optical fiber cable is pre-tensioned by applying a certain tension, and the optical fiber cable is installed at both ends of the monitoring line according to the steps S1-S3.
The invention has the beneficial effects that: the whole structure is simple, the installation of the sensing optical cable can be conveniently and efficiently realized, the rework rate caused by manual errors is effectively reduced, the installation efficiency of the sensing optical cable is improved, and the whole construction speed is promoted; the single metal panel is adopted, so that the inconvenience that a cover plate needs to be installed secondarily in the traditional fixture is avoided, the advantages of the traditional sensing optical cable installation mode are achieved, and the anchoring mode of the sensing optical cable in the optical fiber sensing field is optimized; the installation mode of the metal panel overcomes the defect that the optical cable is damaged because the dangerous points of the structure easily reach the limit strain of the optical cable in the sensing installation of the pre-embedded mode and the full-sticking mode, and improves the safety of the monitoring circuit; the optical cable clamping groove on the sensing optical cable quick installation device can be customized according to the diameter of the sensing optical cable, so that the requirement of preliminary fixation is met, and the construction is convenient; for different testees, provide multiple mounting means, application scope is wide, easily uses widely in a large scale.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the present invention installed on the surface of a structure under test;
labeled as: 1. a metal panel; 2. positioning the mounting hole; 3. transversely fine-adjusting the mounting holes; 4. longitudinally fine-tuning the mounting hole; 5. an optical cable clamping groove; 6. a metal bump; 7. a sensing optical cable; 8. monitoring a starting end of a line; 9. the surface of the measured object; 10. a redundant optical cable; 11. the line termination is monitored.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, the on-site quick installation device for the sensing optical cable comprises a metal panel 1, wherein a positioning installation hole 2 and a fine adjustment installation hole are respectively formed in the metal panel 1, an optical cable clamping groove 5 is formed below the metal panel 1, and a plurality of metal bumps 6 are arranged in the optical cable clamping groove 5. Further, the metal panel 1 is made of a high-strength thin-walled steel plate.
Furthermore, a positioning installation hole 2 is arranged at the center of the metal panel 1, and plays a role in primarily fixing the device.
Further, the fine setting mounting hole includes horizontal fine setting mounting hole 3 and vertical fine setting mounting hole 4, and horizontal fine setting mounting hole 3 and vertical fine setting mounting hole 4 are established respectively on metal decking's upper portion, provide horizontal and vertical fine setting space respectively, and when the error appears in the drilling position, usable two fine setting mounting holes finely tune 1 position of metal decking, reduce the rate of doing over again, improve the efficiency of construction.
Further, the groove width of the optical cable clamping groove 5 is larger than the diameter of the sensing optical cable, so that the sensing optical cable can be fixed preliminarily.
Furthermore, the metal bumps 6 are uniformly distributed in the optical cable clamping groove 5, so that the contact area between the adhesive and the sensing optical cable and the device is increased, and the anchoring force of the sensing optical cable is further enhanced.
As shown in fig. 1-3, the sensing optical cable quick installation device is directly fixed on the surface 9 of the object to be measured, such as concrete or steel structure, according to the monitoring requirement. The surface of metal panel 1 is equipped with three installation hole site, be located 1 middle part of metal panel for location mounting hole 2, be located 1 upper portion of metal panel for two fine setting mounting holes, location mounting hole 2 is used for preliminary fixed mounting device position, because construction and measuring error, there can be small dislocation in the drilling position, fine setting mounting hole just is used for adjusting 1 position of metal panel, reduce drilling rework rate, guarantee installation success rate and installation rate, sensing optical cable 7 embedding optical cable draw-in groove 5, pour into the high strength adhesive when 7 installations of sensing optical cable, make sensing optical cable 7 by abundant anchor.
As shown in fig. 1-3, an installation method for a field quick installation device of a sensing optical cable comprises the following steps:
s1: determining the position of a mounting hole, determining the position of the mounting hole on the surface 9 of the measured object, performing fixed-point superposition on the positioning mounting hole 2 and the position of the mounting hole, and preliminarily fixing the metal panel 1 on the surface 9 of the measured object;
s2: fine adjustment is carried out on the device, the position of the metal panel 1 is adjusted by utilizing the fine adjustment mounting hole, and the mounting device is fully fixed on the surface 9 of the measured object;
s3: and (3) installing the optical cable, injecting an adhesive into the optical cable clamping groove 5, clamping the sensing optical cable 7 into the optical cable clamping groove 5, then injecting the adhesive, and completing installation after the optical cable 7 to be transmitted is fully anchored with the adhesive and the installation device.
Further, the preliminary fixing in S1 and the sufficient fixing in S2 employ one of drill rivet fixing, adhesive fixing, or welding fixing. For different tested objects, a plurality of installation modes are provided, for example, concrete deformation is monitored, and concrete surface punching and bolt installation modes can be adopted; the steel structure is monitored for deformation, and then the steel structure can be installed by welding or by using an adhesive.
As shown in fig. 1-3, a quick installation device for sensing optical cable on site adopts a drilling rivet fixing installation mode: firstly, determining the position of a mounting hole on the surface 9 of a measured object, then drilling the position of the mounting hole, positioning and coinciding the positioning mounting hole 2 and the predetermined drilling hole when the sensing optical cable mounting device is mounted, simultaneously primarily fixing the mounting device by using a rivet, and fully fixing the mounting device on the surface 9 of the measured object by using a fine-tuning mounting hole. When the sensing optical cable 7 is installed, firstly, the sensing optical cable 7 at the starting end 8 position of the monitoring line is fixed, an adhesive is injected into the optical cable clamping groove 5, the sensing optical cable 7 is clamped into the optical cable clamping groove 5, then, a proper amount of adhesive is injected, the sensing optical cable 7 is led to the other end of the monitoring line after the sensing optical cable 7 to be transmitted is fully anchored with the adhesive and the installation device, a certain pulling force is applied to the sensing optical cable 7 for pre-tensioning, the sensing optical cable 7 in the monitoring line is ensured to be uniform in strain, and later data analysis is facilitated; and anchoring the sensing optical cable 7 at the other end of the monitoring line termination end 11 in the same fixing mode, after the end optical cable is anchored, clamping the sensing optical cable 7 between the two ends of the monitoring line into the optical cable clamping groove 5, and injecting an adhesive to complete the installation of the sensing optical cable 7 of the whole monitoring line. Further, the cable slot 5 of the mounting device can be customized according to the diameter of the sensing cable 7 in actual use.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A device for quickly installing a sensing optical cable on site is characterized by comprising a metal panel, wherein a positioning installation hole and a fine adjustment installation hole are respectively formed in the metal panel, an optical cable clamping groove is formed below the metal panel, a plurality of metal convex points are arranged in the optical cable clamping groove, the positioning installation hole is formed in the center of the metal panel, the fine adjustment installation hole comprises a transverse fine adjustment installation hole and a longitudinal fine adjustment installation hole, the transverse fine adjustment installation hole and the longitudinal fine adjustment installation hole are respectively formed in the upper portion of the metal panel, the optical cable clamping groove is formed in the lower portion of the metal panel, the groove width of the optical cable clamping groove is larger than the diameter of the sensing optical cable, and the metal convex points are uniformly distributed in the optical cable clamping groove; the metal panel is made of a high-strength thin-wall steel plate; the metal panel is directly fixed on the surface of the concrete or steel structure by drilling rivets, adhesives or welding.
2. An installation method for a field quick installation device of a sensing optical cable according to claim 1, characterized by comprising the following steps:
s1: determining the position of a mounting hole, determining the position of the mounting hole on the surface of a measured object, performing fixed-point superposition on the positioning mounting hole and the position of the mounting hole, and preliminarily fixing the metal panel on the surface of the measured object;
s2: fine adjustment is carried out on the device, the position of the metal panel is adjusted by utilizing the fine adjustment mounting hole, and the mounting device is fully fixed on the surface of the object to be measured;
s3: and (3) installing an optical cable, injecting an adhesive into the optical cable clamping groove, clamping the sensing optical cable into the optical cable clamping groove, injecting the adhesive, and completing installation after the optical cable to be transmitted is fully anchored with the adhesive and the installation device.
3. The method of claim 2, wherein the preliminary fixing in S1 and the sufficient fixing in S2 are one of drilling rivet fixing, adhesive fixing or welding fixing.
4. The installation method of a sensor cable field quick installation device according to claim 2, wherein the sensor cable is guided to both ends of the monitoring line after being sufficiently anchored in the step S3, and the sensor cable is pre-tensioned by applying a certain tension to the sensor cable, and the sensor cable is installed at both ends of the monitoring line according to the steps S1-S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474343.6A CN109298496B (en) | 2018-12-04 | 2018-12-04 | On-site quick installation device for sensing optical cable and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474343.6A CN109298496B (en) | 2018-12-04 | 2018-12-04 | On-site quick installation device for sensing optical cable and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109298496A CN109298496A (en) | 2019-02-01 |
| CN109298496B true CN109298496B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811474343.6A Expired - Fee Related CN109298496B (en) | 2018-12-04 | 2018-12-04 | On-site quick installation device for sensing optical cable and installation method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4248724B2 (en) * | 2000-03-17 | 2009-04-02 | 株式会社フジクラ | Installation method of optical fiber sensor |
| CN203191604U (en) * | 2013-04-01 | 2013-09-11 | 上海藤仓光维通信器材有限公司 | Optical cable fixing plate and optical cable fixing device |
| CN205691837U (en) * | 2016-06-22 | 2016-11-16 | 华兴新锐通信科技集团有限公司 | A kind of optical cable fixation with steel wire device |
| CN106091975A (en) * | 2016-08-05 | 2016-11-09 | 南京大学 | Duct pieces of shield tunnel seam fixed point optical cable for sensing two dimension deformation monitoring method |
| CN106679700A (en) * | 2017-02-10 | 2017-05-17 | 南京大学 | Simple and rapid anchoring method and apparatus of distributive sensing optical cable |
| CN208112160U (en) * | 2018-03-26 | 2018-11-16 | 国电建投内蒙古能源有限公司 | Low-voltage cable terminal box fixes bracket |
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Granted publication date: 20201110 Termination date: 20211204 |