CN205720770U - A kind of optical fiber homogeneous state of stress bringing device - Google Patents
A kind of optical fiber homogeneous state of stress bringing device Download PDFInfo
- Publication number
- CN205720770U CN205720770U CN201620385983.XU CN201620385983U CN205720770U CN 205720770 U CN205720770 U CN 205720770U CN 201620385983 U CN201620385983 U CN 201620385983U CN 205720770 U CN205720770 U CN 205720770U
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- optical fiber
- fixture
- fiber
- slide rail
- line slide
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Abstract
This utility model relates to measuring techniques for optical fiber field, specifically disclose a kind of optical fiber homogeneous state of stress bringing device, including fiber clamp, elastic deformation part and line slide rail, fiber clamp is the first fixture and the second fixture being fixed in opposite directions on line slide rail, first fixture includes slide block structure, can slide on line slide rail, the two ends of elastic deformation part are separately fixed on two fiber clamps, for making two fiber clamp move toward one another, two fiber clamps are parallel with line slide rail to the line of optical fiber bite.This utility model can apply the stress of continuous uniform to optical fiber, makes optical fiber be in stable extended state, it is to avoid fiber optic communication is disturbed by applied stress, it is ensured that test optical fiber quality.
Description
Technical field
This utility model relates to measuring techniques for optical fiber field.
Background technology
Optical fiber is fibre-optic abbreviation.Fiber optic communication is using light wave as information carrier, using optical fiber as a kind of communication mode of transmission medium.In order to study and improve quality of optical fiber communication, need optical fiber is made various Experiments of Optics.Experiment requires optical fiber is in extended state more, so optical fiber must be applied certain homogeneous state of stress.
At present, the device that optical fiber applies stress is varied, is mostly in the light path put up, taking one section of optical fiber, one end is clamped in fibre clip, and the other end lies on another optical fibre frame, hang up the counterweight of certain mass on this fibre clip side, make optical fiber be constantly in extended state.Owing to counterweight is in vacant state, easily rocking, the dynamics making stress produce is uneven, easily breaks optical fiber.Such as, when writing LPFG processed, hanging counterweight mode easily makes optical fiber break, optical fiber minute movement is driven during counterweight rocks simultaneously, causing slant optical fiber, the energy projecting optical fiber is uneven, and then easily causing fiber grating, to write efficiency processed low, poor stability, the bad results such as modulation depth is shallow.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of optical fiber homogeneous state of stress bringing device, it is possible to optical fiber applies the stress of continuous uniform, makes optical fiber be in stable extended state, it is to avoid fiber optic communication is disturbed by applied stress, it is ensured that test optical fiber quality.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of optical fiber homogeneous state of stress bringing device, including fiber clamp, elastic deformation part and line slide rail, described fiber clamp is the first fixture and the second fixture being fixed in opposite directions on described line slide rail, described first fixture includes slide block structure, can slide on line slide rail, the two ends of described elastic deformation part are separately fixed on two fiber clamps, for making the first fixture be opposite in the second clamp movement, two fiber clamps are parallel with described line slide rail to the line of optical fiber bite.
The operation principle of this utility model device is, respectively clamp at the one of optical fiber with the first fixture and the second fixture respectively, when the elastic deformation part of accumulation of energy in advance releases energy, the first fixture is pulled to be opposite in the second clamp movement, the part that optical fiber is positioned at outside this utility model device stretches therewith, after elastic deformation part stress balance, the first fixture and the second fixture are fixed relative to position so that be positioned at the stress by continuous uniform of the optical fiber outside this utility model device.
Described fiber clamp includes the main body that connected by rotating shaft and rotatable fixed part, and described main body and fixed part are equipped with arc-shaped concave at retaining part, for grip optical fiber.
Described main body and rotatable fixed part are Magnet, by magnetic clamping optical fiber between the two.
Line slide rail is provided with protruding rail, and the lower body part of described first fixture is provided with the chute matched with protruding rail.
The lower section of described line slide rail is provided with base.
Described elastic deformation part is stretching spring or gum elastic.
Described stretching spring or gum elastic are positioned at the middle part of fiber clamp, and are positioned at the lower section of optical fiber clamping part.
Use and have the beneficial effects that produced by technique scheme: this utility model utilizes elastic deformation part to exert a force the first fixture, indirectly optical fiber is applied tension, due to elastic deformation part, especially stretch spring, there is certain shock-absorbing capacity, optical fiber will not receive bigger tension moment, it is to avoid optical fiber is by the excessive damage of momentum；Optical fiber is fixed on fiber clamp, due to the first fixture can only on line slide rail for linear motion, rock thus without making optical fiber produce, so that it is guaranteed that optic fibre force is stable and not run-off the straight, it is ensured that Experiments in Fibre Optical accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of this utility model；
Fig. 2 is the first fixture and the attachment structure schematic diagram of line slide rail in Fig. 1；
Fig. 3 is the second fixture and the attachment structure schematic diagram of line slide rail in Fig. 1.
Wherein, the 1, first fixture；2, the second fixture；3, line slide rail；4, elastic deformation part；5, base；11, fixed part；12, main body；13, rotating shaft；14, clamping part；31, protruding rail；121, chute.
Detailed description of the invention
This utility model is the problem solving to use weight stretching optical fiber to be easily caused fibercuts, rock and tilt in the experiment of prior art optical fiber, provide a kind of optical fiber homogeneous state of stress bringing device, by fiber clamp and the elastic deformation part of the motion of linearly slide rail, replace optical fibre frame and the weight of prior art, ensure that the stress suffered by optical fiber is continuous uniform, make optical fiber not break, be in reliable and stable extended state.
The utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of optical fiber homogeneous state of stress bringing device, including fiber clamp, elastic deformation part 4 and line slide rail 3, fiber clamp is the first fixture 1 and the second fixture 2 being fixed in opposite directions on line slide rail 3, first fixture 1 includes slide block structure, can slide on line slide rail 3, second fixture 2 is fixed on line slide rail 3 and does not slides, the two ends of elastic deformation part 4 are separately fixed on two fiber clamps, for making the first fixture be opposite in the second clamp movement, two fiber clamps are parallel with line slide rail 3 to the line of optical fiber bite.Elastic deformation part 4 is stretching spring.
Fiber clamp is provided with otic placode, and the end of stretching spring penetrates that otic placode is fixing with fiber clamp to be connected, it is also possible to directly employing metal stretching spring, is directly welded on fiber clamp at its two ends.
The line of optical fiber bite is parallel with line slide rail 3, make optical fiber direction of pull parallel with line slide rail 3, fiber clamp is both secured on line slide rail 3, rocking outside direction of pull will not occur, ensure optical fiber not run-off the straight, institute's tension stress is not easily susceptible to disturbance, it is ensured that pulling force continuous-stable, does not occur stress intensity change to cause the situation of fibercuts.
The using method of this utility model device is, it is fixedly clamped at the one of optical fiber with the first fixture 1, be fixedly clamped a side end of optical fiber with the second fixture 2, adjust the position of the first fixture 1, stretching spring is made to be in tensile elongation state, length after stretching spring elongation is slightly less than or equal to the length of optical fiber between the first fixture 1 and the second fixture 2, unclamp stretching spring, first fixture 1 Tensile spring tension is opposite in the second fixture 2 and moves, the part that optical fiber is positioned at outside this utility model device stretches therewith, after elastic deformation part 4 stress balance, first fixture 1 is fixed with the second relative position of fixture 2, make to be positioned at the stress by continuous uniform of the optical fiber outside this utility model device.Second fixture 2 is fixed on line slide rail 3 and does not slides.
As preferably, fiber clamp includes that main body 12 and the rotatable fixed part 11 connected by rotating shaft 13, main body 12 and fixed part 11 are equipped with arc-shaped concave, for grip optical fiber clamping part 14.Main body 12 and rotatable fixed part 11 are Magnet, by magnetic clamping optical fiber between the two.Optical fiber laminating being put on the arc-shaped concave of main body 12, rotate fixed part 11 and close close with main body 12, optical fiber is fixed and clamped by the magnetic force attracted each other between fixed part 11 and main body 12.
This utility model embodiment fiber clamp structures is simple and convenient to operate.
As preferably, the slide block structure of the first fixture 1 and line slide rail 3 use protruding rail 31 and the sliding connection structure of chute 121, and wherein, line slide rail 3 is provided with protruding rail 31, and main body 12 bottom of the first fixture 1 is provided with the chute 121 matched with protruding rail 31.Protruding rail 31 penetrates in chute 121, it is achieved the linear slide on protruding rail 31 direction, and the longitudinal section of protruding rail 31 is up big and down small wedge shape, it is possible to ensure that the first fixture 1 slides steadily.First fixture 2 uses the mode of bolt or welding to be fixed on one end of line slide rail 3.
As preferably, the lower section of line slide rail 3 is provided with base 5.Base 5 is trapezoidal, makes slide rail stable.
As preferably, stretching spring is positioned at the middle part of fiber clamp, and is positioned at the lower section of optical fiber clamping part 14.
A kind of optical fiber homogeneous state of stress bringing device provided this utility model above is described in detail; this utility model is applied specific case embodiment of the present utility model is set forth; the explanation of above example is only intended to help and understands this utility model; should be understood that; to those of ordinary skill in the art; on the premise of without departing from this utility model principle; also this utility model can be carried out some improvement, these improvement also fall in this utility model scope of the claims.
Claims (6)
1. an optical fiber homogeneous state of stress bringing device, it is characterized in that: include fiber clamp, elastic deformation part (4) and line slide rail (3), described fiber clamp is the first fixture (1) and the second fixture (2) being fixed in opposite directions on described line slide rail (3), described first fixture (1) includes slide block structure, can be in the upper slip of line slide rail (3), the two ends of described elastic deformation part (4) are separately fixed on two fiber clamps, for making the first fixture (1) be opposite in the second fixture (2) motion, two fiber clamps are parallel with described line slide rail (3) to the line of optical fiber bite.
A kind of optical fiber homogeneous state of stress bringing device the most according to claim 1, it is characterized in that, described fiber clamp includes main body (12) and the rotatable fixed part (11) connected by rotating shaft (13), described main body (12) and fixed part (11) are equipped with arc-shaped concave, for grip optical fiber in clamping part (14) position.
A kind of optical fiber homogeneous state of stress bringing device the most according to claim 2, it is characterised in that described main body (12) and rotatable fixed part (11) are Magnet, by magnetic clamping optical fiber between the two.
A kind of optical fiber homogeneous state of stress bringing device the most according to claim 2, it is characterised in that line slide rail (3) is provided with protruding rail (31), and main body (12) bottom of described first fixture (1) is provided with the chute (121) matched with protruding rail (31).
A kind of optical fiber homogeneous state of stress bringing device the most according to claim 4, it is characterised in that the lower section of described line slide rail (3) is provided with base (5).
A kind of optical fiber homogeneous state of stress bringing device the most according to claim 1, it is characterised in that described elastic deformation part (4) is stretching spring or gum elastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385983.XU CN205720770U (en) | 2016-05-03 | 2016-05-03 | A kind of optical fiber homogeneous state of stress bringing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385983.XU CN205720770U (en) | 2016-05-03 | 2016-05-03 | A kind of optical fiber homogeneous state of stress bringing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205720770U true CN205720770U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620385983.XU Expired - Fee Related CN205720770U (en) | 2016-05-03 | 2016-05-03 | A kind of optical fiber homogeneous state of stress bringing device |
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| Country | Link |
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| CN (1) | CN205720770U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739021A (en) * | 2016-05-03 | 2016-07-06 | 石家庄铁路职业技术学院 | Optical fiber uniform stress applying device |
| CN107843492A (en) * | 2017-12-06 | 2018-03-27 | 张家港市沙源检测技术有限公司 | A kind of metal stresses fixture for testing |
| CN111427127A (en) * | 2020-05-12 | 2020-07-17 | 交通运输部天津水运工程科学研究所 | Optical fiber installation clamp suitable for flexible structure and use method thereof |
| CN111458824A (en) * | 2019-01-18 | 2020-07-28 | 南京双电科技实业有限公司 | Device pressing device of optical fiber fixing element |
-
2016
- 2016-05-03 CN CN201620385983.XU patent/CN205720770U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739021A (en) * | 2016-05-03 | 2016-07-06 | 石家庄铁路职业技术学院 | Optical fiber uniform stress applying device |
| CN107843492A (en) * | 2017-12-06 | 2018-03-27 | 张家港市沙源检测技术有限公司 | A kind of metal stresses fixture for testing |
| CN111458824A (en) * | 2019-01-18 | 2020-07-28 | 南京双电科技实业有限公司 | Device pressing device of optical fiber fixing element |
| CN111427127A (en) * | 2020-05-12 | 2020-07-17 | 交通运输部天津水运工程科学研究所 | Optical fiber installation clamp suitable for flexible structure and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161123 Termination date: 20180503 |