CN204788203U - Crooked camber control of dykes and dams condition perception optic fibre and measuring equipment - Google Patents
Crooked camber control of dykes and dams condition perception optic fibre and measuring equipment Download PDFInfo
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- CN204788203U CN204788203U CN201520429123.7U CN201520429123U CN204788203U CN 204788203 U CN204788203 U CN 204788203U CN 201520429123 U CN201520429123 U CN 201520429123U CN 204788203 U CN204788203 U CN 204788203U
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Abstract
The utility model discloses a crooked camber control of dykes and dams condition perception optic fibre and measuring equipment, the device say including crooked platform and guide that the middle part that the guide was said is equipped with the guide channel, and optic fibre is waited to lay in the installation in the guide channel, and the bending section that contains first straightway, second straightway and connect first straightway and second straightway is said in the guide, first straightway is fixed at crooked bench through the locking device of a plurality of groups, and the bending section middle part is inboard to be connected with the reducing platform, and the reducing platform is connected with locking device, install the 2nd locking device on the second straightway, the 2nd locking device extends the bottom has the boss, is equipped with the guide rail groove at crooked bench, is equipped with first radius chi and the second radius chi tangent with the bending section at the bending section. The utility model discloses a set up first radius chi and second radius chi perpendicularly, the crooked curvature radius that will wait to lay optic fibre turns into the reading of first radius chi, but the high accuracy measuration and the crooked curvature radius of optic fibre is waited to lay in nimble convenient control.
Description
Technical field
The utility model relates to a kind of dykes and dams condition perception optical fiber bending curvature and controls and measuring equipment, belongs to hydraulic safety monitoring field.
Background technology
Along with the development of economic society and the progress of science and technology, more and more pay attention to the safety of the great infrastructure and engineering etc. that relate to national economy, require more and more higher, new technology, new method, the new equipments such as such as optical fiber obtain in practical engineering application to be widelyd popularize.
Optical fiber sensing technology is as a kind of new technique of multi-crossed disciplines, the mechanical property good due to it and low production cost, great concern is obtained in hydraulic safety monitoring field, but in practical engineering application, normal occur that institute lays optical fiber and causes because inappropriate flexibility or bending section do not obtain available protecting monitoring accuracy reduction or measured value distortion seriously, even cannot obtain measured value; Inappropriate fiber deployment causes it not meet the requirements such as engineering structure size and Construction Arrangement, and causes unnecessary waste.
A large amount of laboratory experiment and practical implementation case all show, the laying of sensor fibre, the particularly Reasonable adjustment of fibre-optical bending radius-of-curvature and control, become and affected its monitoring accuracy, the important technological problems of serviceable life and construction speed etc., become the key factor hindering this technology widespread use and popularization in the Practical Projects such as dykes and dams, for this reason, a kind of adaptable in the urgent need to developing, the fibre-optical bending curvature control of convenient operation and measuring equipment and method, to reduce the dependence to laying personnel as far as possible, improve the survival rate of laying sensor fibre, increase the service life of sensor fibre, more efficient, perception dykes and dams condition accurately.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of dykes and dams condition perception optical fiber bending curvature to control and measuring equipment, by vertically arranging the first radius ruler and the second radius ruler, high precision measures and the convenient bending curvature radius controlling to treat laying optical fiber.
Technical scheme: for solving the problems of the technologies described above, a kind of dykes and dams condition perception optical fiber bending curvature of the present utility model controls and measuring equipment, comprise bending and be positioned at the guiding road in bending, the middle part in described guiding road is provided with guide channel, install in guide channel and need laying optical fiber, guiding road comprises the first straight-line segment, second straight-line segment and the bending section being connected the first straight-line segment and the second straight-line segment, described first straight-line segment is fixed in bending by some groups of the first locking devices, bending section inside middle portion is connected with reducing platform, reducing platform one end is connected with reducing pedestal, reducing pedestal is through circle guide table, the both sides of circle guide table are provided with the round pedestal be threaded with circle guide table, circle pedestal is connected with circle pedestal handle, the pine that the reducing platform other end and top are provided with circular arc is admittedly filled in and is connected, Song Gu plug is provided with the guide hole that guiding road passes, push pedal is provided with in guide hole, push pedal is connected with push rod, push rod and pine are admittedly filled in and are threaded, described second straight-line segment is provided with the second locking device, boss is extended with bottom second locking device, to be angle be in the boss cross section parallelogram of 45 °, bending being provided with the first straight-line segment and the second straight-line segment angle is the guide-track groove of 45 °, boss moves along guide-track groove, parallelly with the second straight-line segment in bending be provided with vertical scale, the zero point of vertical scale is treat laying optical fiber and the intersection point near the first locking device of bending section, the starting point of guide-track groove is positioned at the zero point of vertical scale, first radius ruler tangent with bending section is provided with at bending section and the first straight-line segment intersection, second radius ruler tangent with bending section is provided with at bending section and the second straight-line segment intersection.
As preferably, described first radius ruler end inner sleeve has the first radius reduced scale, and the second radius ruler end inner sleeve has the second radius reduced scale.
As preferably, described first locking device comprises first company's guide table, the first check lock lever be threaded with first company's guide table and the first in command, described first company's guide table is rectangular parallelepiped block, the first groove passed in guiding road is provided with in the first below connecting guide table, the first pressing plate be positioned at above guiding road is provided with in first groove, the below of the first check lock lever is connected with the first pressing plate, and the top of the first check lock lever is provided with the first in command.
As preferably, described second locking device comprises second company's guide table, the second check lock lever be threaded with second company's guide table and the second in command, the second groove passed in guiding road is provided with in the second below connecting guide table, the second pressing plate be positioned at above guiding road is provided with in second groove, the below of the second check lock lever is connected with the second pressing plate, the top of the second check lock lever is provided with the second in command, is extended with boss below second company's guide table, and second connects guide table both sides is extended with lug.
Beneficial effect: a kind of dykes and dams condition perception optical fiber bending curvature of the present utility model controls and measuring equipment, by vertically arranging the first radius ruler and the second radius ruler, to treat that the radius-of-curvature of laying optical fiber is converted into the reading of the first radius ruler, solve the excessive or bending laying of bending loss of optical fiber and be not inconsistent the problems such as engineering structure size and Construction Arrangement, can regulate voluntarily according to proposing fixed bending curvature radius and control, significantly reduce monitoring cost, ensure that monitoring reliability and accuracy, in practical application etc., there is outstanding advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the first locking device in Fig. 1;
Fig. 3 is the main TV structure schematic diagram of the second locking device in Fig. 1;
Fig. 4 is the back of the body TV structure schematic diagram of the second locking device in Fig. 3;
Fig. 5 is the structural representation of the solid plug of pine in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figures 1 to 5, the present embodiment is lay this device on the rectangular horizontal section of a dam configuration, consider the shape of structure section, determine to use the number of this device to be 2, be separately fixed at two drift angle places of rectangular cross section, consider that place structure section is of a size of 6m × 10m, determine that plan laying optical fiber 2 bending curvature radius to be bent is 0.5m, use R=L*ctan (θ/2) formula, θ is the angle of the first radius ruler 5 and the second radius ruler 9, in the utility model, θ is 90 °, R is for treating the bending curvature radius required by laying optical fiber 2, L is the first radius ruler 5 and the required fixing scale of the second radius ruler 9, draw L=R*tan (θ/2), i.e. L=0.5m*tan (45 °), draw L=0.5m, the scale calculating the first radius ruler 5 on each angle and the second radius ruler 9 is fixed as 0.5m, due to two drift angle place devices installation and arrange flow process just the same, accordingly, only a certain angle is described in detail:
It is long that this bending 1 is of a size of 0.8m, 0.8m is wide, 0.2m is high, the first straight-line segment in guiding road 3 is 0.1m, second straight-line segment is 0.1m, first straight-line segment is fixed in bending 1 by two group of first locking device 4, first locking device 4 comprises first and connects guide table 41, the first check lock lever 42 be threaded with first company's guide table 41 and the first in command 43, described first company's guide table 41 is rectangular parallelepiped block, the first groove passed in guiding road is provided with in the first below connecting guide table 41, the first pressing plate 44 be positioned at above guiding road is provided with in first groove, the below of the first check lock lever 42 is connected with the first pressing plate 44, the top of the first check lock lever 42 is provided with the first in command 43, the first pressing plate 44 is driven to move up and down by rotating the first check lock lever 42, thus compress the first straight-line segment treats laying optical fiber 2.Bending section inside middle portion is connected with reducing platform 6, reducing platform 6 one end is connected with reducing pedestal 12, reducing pedestal 12 is through circle guide table 19, the both sides of circle guide table 19 are provided with the round pedestal 14 be threaded with circle guide table 19, circle pedestal 14 is connected with circle pedestal handle 13, the pine that reducing platform 6 other end and top are provided with circular arc 18 is admittedly filled in and is connected, Song Gu plug is provided with the guide hole 17 that guiding road 3 passes, push pedal 16 is provided with in guide hole 17, push pedal 16 is connected with push rod 15, push rod 15 and pine are admittedly filled in and are threaded, and the mobile of push rod 15 drives push pedal 16 to move.Second straight-line segment is provided with the second locking device 10, second locking device 10 comprises second and connects guide table 101, the second check lock lever 105 be threaded with second company's guide table 101 and the second in command 106, the second groove passed in guiding road 3 is provided with in the second below connecting guide table 101, the second pressing plate 102 be positioned at above guiding road 3 is provided with in second groove, the below of the second check lock lever 105 is connected with the second pressing plate 102, the top of the second check lock lever 105 is provided with the second in command 106, second connects guide table 101 both sides is extended with mounting lug 103, boss 104 is extended with below second company's guide table 101, to be angle be in the boss 104 cross section parallelogram of 45 °, second connects guide table 101 with boss 104 in 45 ° of angles, like this, ensure that the first straight-line segment and the second straight-line segment are 90 ° of angles, eliminate angular error, bending 1 being provided with the first straight-line segment and the second straight-line segment angle is the guide-track groove of 45 °, boss 104 moves along guide-track groove, parallelly with the second straight-line segment in bending 1 be provided with vertical scale 11, the zero point of vertical scale 11 is treat laying optical fiber 2 and the intersection point near the first locking device 4 of bending section, the starting point of guide-track groove is positioned at the place at zero point of vertical scale 11, first radius ruler 5 tangent with bending section is provided with at bending section and the first straight-line segment intersection, second radius ruler 9 tangent with bending section is provided with at bending section and the second straight-line segment intersection, described first radius ruler 5 end inner sleeve has the first radius reduced scale 8, second radius ruler 9 end inner sleeve has the second radius reduced scale 7.
Above-mentioned dykes and dams condition perception optical fiber bending curvature controls, with a method of work for measuring equipment, to comprise the following steps:
(1) position to be bent, laying optical fiber 2 is determined
Based on the horizontal section region to be measured of 6m × 10m in the dam configuration at place, determine that required optical fiber 2 length laid is 30m, according to the rectangular cross section of structure to be measured, determine that required crooked position is two drift angle places, and then determine that the number of bending curvature regulating device is 2, bending curvature regulating device is fixed on two drift angle places by bending 1, be 0.5m based on required bending curvature radius, adjustment range is first radius ruler 5 of 0.5m, first radius reduced scale 8, second radius ruler 9, the reading of the second radius reduced scale 7, to wait to lay ZTT-GYXTW-4A1a type optical fiber 2 through in guiding road 3, and guiding road 3 is connected guide table 41 through first with retangular section structure, using screw to connect guide table 41 by first is fixed in bending 1, rotate the first check lock lever 42, fixedly treat laying optical fiber 2, right-hand member near the first locking device 4 of bending section aligns with vertical scale 11,
(2) coarse adjustment bending curvature radius
Second locking device 10 is enclosed within guiding road 3, bending guiding road 3, according to waiting that laying ZTT-GYXTW-4A1a type optical fiber 2 needs bending curvature radius to be 0.5m, roughly the second locking device 10 is put in guide-track groove by vertical scale 11, first radius ruler 5 tangent with bending section is arranged at bending section and the first straight-line segment intersection, second radius ruler 9 tangent with bending section is arranged at bending section and the second straight-line segment intersection, according to the joint of the first radius ruler 5 and the second radius ruler 9, read the reading of the first radius ruler 5;
(3) accurate adjustment bending curvature radius
Slewing circle pedestal 14, unclamps reducing pedestal 12, mobile reducing pedestal 12 and the second locking device 10, makes the reading of the first radius ruler 5 and the second radius ruler 9 for treating laying optical fiber 2 bending curvature radius value according to the reading of the first radius ruler 5;
(4) laying optical fiber 2 is fixedly treated
Slewing circle pedestal 14, locking reducing pedestal 12, rotating push-rod 15, push pedal 16 is driven fully to contact with guiding road 3 by the mobile of push rod 15, fixing guiding road 3, second locking device 10 is fixed in bending 1 by screw by mounting lug 103, rotates the second check lock lever 105, fixedly treats laying optical fiber 2;
(5) Acquisition Instrument is connected, testing experiment
After first bending curvature regulating device has been arranged, need to wait that laying ZTT-GYXTW-4A1a type optical fiber 2 is connected on SentinelDTS-LR type distributed optical fiber temperature measurement main frame, detect the optical fiber information change situation of crooked position, carry out testing experiment, after treating that above-mentioned work all completes, carry out the layout of next bending curvature device according to above-mentioned same method.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a dykes and dams condition perception optical fiber bending curvature controls and measuring equipment, it is characterized in that: comprise bending and be positioned at the guiding road in bending, the middle part in described guiding road is provided with guide channel, install in guide channel and need laying optical fiber, guiding road comprises the first straight-line segment, second straight-line segment and the bending section being connected the first straight-line segment and the second straight-line segment, described first straight-line segment is fixed in bending by some groups of the first locking devices, bending section inside middle portion is connected with reducing platform, reducing platform one end is connected with reducing pedestal, reducing pedestal is through circle guide table, the both sides of circle guide table are provided with the round pedestal be threaded with circle guide table, circle pedestal is connected with circle pedestal handle, the pine that the reducing platform other end and top are provided with circular arc is admittedly filled in and is connected, Song Gu plug is provided with the guide hole that guiding road passes, push pedal is provided with in guide hole, push pedal is connected with push rod, push rod and pine are admittedly filled in and are threaded, described second straight-line segment is provided with the second locking device, boss is extended with bottom second locking device, to be angle be in the boss cross section parallelogram of 45 °, bending being provided with the first straight-line segment and the second straight-line segment angle is the guide-track groove of 45 °, boss moves along guide-track groove, parallelly with the second straight-line segment in bending be provided with vertical scale, the zero point of vertical scale is treat laying optical fiber and the intersection point near the first locking device of bending section, the starting point of guide-track groove is positioned at the zero point of vertical scale, first radius ruler tangent with bending section is provided with at bending section and the first straight-line segment intersection, second radius ruler tangent with bending section is provided with at bending section and the second straight-line segment intersection.
2. dykes and dams condition perception optical fiber bending curvature according to claim 1 controls and measuring equipment, it is characterized in that: described first radius ruler end inner sleeve has the first radius reduced scale, and the second radius ruler end inner sleeve has the second radius reduced scale.
3. dykes and dams condition perception optical fiber bending curvature according to claim 2 controls and measuring equipment, it is characterized in that: described first locking device comprises first company's guide table, the first check lock lever be threaded with first company's guide table and the first in command, described first company's guide table is rectangular parallelepiped block, the first groove passed in guiding road is provided with in the first below connecting guide table, the first pressing plate be positioned at above guiding road is provided with in first groove, the below of the first check lock lever is connected with the first pressing plate, and the top of the first check lock lever is provided with the first in command.
4. dykes and dams condition perception optical fiber bending curvature according to claim 3 controls and measuring equipment, it is characterized in that: described second locking device comprises second company's guide table, the second check lock lever be threaded with second company's guide table and the second in command, the second groove passed in guiding road is provided with in the second below connecting guide table, the second pressing plate be positioned at above guiding road is provided with in second groove, the below of the second check lock lever is connected with the second pressing plate, the top of the second check lock lever is provided with the second in command, be extended with boss below second company's guide table, second connects guide table both sides is extended with lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429123.7U CN204788203U (en) | 2015-06-19 | 2015-06-19 | Crooked camber control of dykes and dams condition perception optic fibre and measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429123.7U CN204788203U (en) | 2015-06-19 | 2015-06-19 | Crooked camber control of dykes and dams condition perception optic fibre and measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788203U true CN204788203U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520429123.7U Withdrawn - After Issue CN204788203U (en) | 2015-06-19 | 2015-06-19 | Crooked camber control of dykes and dams condition perception optic fibre and measuring equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN204788203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976943A (en) * | 2015-06-19 | 2015-10-14 | 河海大学 | Apparatus and method of controlling and measuring bending curvature of fiber for sensing condition of dam |
| CN116793260A (en) * | 2023-07-01 | 2023-09-22 | 中国矿业大学 | Fiber bragg grating curvature sensing testing device and testing method thereof |
-
2015
- 2015-06-19 CN CN201520429123.7U patent/CN204788203U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976943A (en) * | 2015-06-19 | 2015-10-14 | 河海大学 | Apparatus and method of controlling and measuring bending curvature of fiber for sensing condition of dam |
| CN116793260A (en) * | 2023-07-01 | 2023-09-22 | 中国矿业大学 | Fiber bragg grating curvature sensing testing device and testing method thereof |
| CN116793260B (en) * | 2023-07-01 | 2024-06-07 | 中国矿业大学 | Fiber bragg grating curvature sensing testing device and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |