CN212458841U - Optical fiber ribbon residual torsion test device - Google Patents
Optical fiber ribbon residual torsion test device Download PDFInfo
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- CN212458841U CN212458841U CN202021897499.8U CN202021897499U CN212458841U CN 212458841 U CN212458841 U CN 212458841U CN 202021897499 U CN202021897499 U CN 202021897499U CN 212458841 U CN212458841 U CN 212458841U
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Abstract
The utility model discloses a remaining torsion test device of optical fiber ribbon, including the test bench, locate the locking station of test bench top and locate the load station of test bench below, the locking station is used for providing a clamping-force for the optical fiber ribbon, and is fixed with the one end locking of optical fiber ribbon, and the load station is applied load to optical fiber ribbon bottom portion and is used for measuring the angle of torsion of optical fiber ribbon. In this way, the utility model discloses the remaining torsion test device of optical fiber ribbon can easily the fixed mounting of optical fiber ribbon through the locking station, and the remaining torsion test easy operation of optical fiber ribbon is convenient, and the testing of the remaining torsion performance of easy optical fiber ribbon is convenient for in time detect the phenomenon that the optical fiber attenuation is big on the left that probably appears in the discovery optical cable work progress, guarantees the transmission performance of optic fibre in the optical fiber ribbon.
Description
Technical Field
The utility model relates to a communication optical cable auxiliary device technical field especially relates to a remaining torsion test device of optical fiber ribbon.
Background
The length of the ribbon stranded in the cable is equal to the length of the optical fibers in the cable, and the cables used in the feeder and distribution in the access network are subjected to a wide range of temperature and humidity effects, particularly at the cable splice or above-ground standard termination point or closure, where the ribbons must be in a non-twisted state to maintain their dimensional integrity, allowing for rearrangement or limiting attenuation increases due to macroscopic bending caused by fiber twisting.
The residual torsion performance of the optical fiber ribbon cable is a key index influencing the optical fiber splicing of the optical fiber ribbon, and the phenomenon of optical fiber attenuation increase easily occurs when the residual torsion performance of the optical fiber ribbon cable does not reach the standard, so that the transmission performance of the optical fiber ribbon cable is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a remaining torsion test device of optical fiber ribbon, can easily the fixed mounting of optical fiber ribbon through the locking station, the remaining torsion test easy operation of optical fiber ribbon is convenient, and the test of the remaining torsion performance of easy optical fiber ribbon is convenient for in time detect the phenomenon that the optical fiber attenuation is big on the left side that probably appears in the discovery optical cable work progress, guarantees the transmission performance of optic fibre in the optical fiber ribbon.
In order to solve the technical problem, the utility model discloses a technical scheme be: provided is an optical fiber ribbon residual torsion testing device, comprising:
the test bed comprises an upper cover plate and a lower cover plate, wherein an accommodating space for freely placing the optical fiber tape from one end to the other end is formed between the upper cover plate and the lower cover plate;
the locking station is arranged above the test bed and used for providing a clamping force for the optical fiber and locking and fixing one end of the optical fiber ribbon;
and the load station is arranged below the test bed, applies load to the bottom end part of the optical fiber ribbon and is used for measuring the torsion angle of the optical fiber ribbon.
In a preferred embodiment of the present invention, the upper cover plate and the lower cover plate are matched in shape and size, the upper cover plate and the lower cover plate are disposed in parallel, and the four corners are locked and fixed by the vertically disposed support rods.
In a preferred embodiment of the present invention, the locking station comprises a first locking block and a second locking block, the bottom end portion of the first locking block is fastened to the surface of the upper cover plate, and the second locking block is fixedly connected to the first locking block.
In a preferred embodiment of the present invention, the first locking piece has a first protrusion at the center of the side thereof, the second locking piece has a second protrusion at the center of the side thereof, and the outer surface of the second protrusion is attached to the outer surface of the first protrusion.
In a preferred embodiment of the present invention, the optical fiber ribbon passes between the outer surface of the first protrusion and the outer surface of the second protrusion, and the second locking portion is locked to the first locking portion to tightly hold the optical fiber ribbon.
In a preferred embodiment of the present invention, the loading station comprises a loading body composed of a first loading block and a second loading block, the first loading block is disposed in a semicircular shape, and the shape and size of the second loading block are matched with those of the first loading block.
In a preferred embodiment of the present invention, both sides of the first load block are locked to the lower cover plate, a groove is formed in the center of the side surface of the first load block in the height direction, and the side surface of the second load block is attached to the side surface of the first load block.
In a preferred embodiment of the present invention, the bottom end of the optical fiber ribbon extends into the groove between the first load block and the second load block, and the load is applied to the bottom end of the optical fiber ribbon through the load body.
In a preferred embodiment of the present invention, the lower cover plate is further provided with a dial arranged along the circumferential direction, the load main body is located at the center of the dial, and the rotation angle of the optical fiber ribbon is measured by the dial.
The utility model has the advantages that: the utility model discloses the remaining torsion test device of optical fiber ribbon is through the fixed mounting of the easy optical fiber ribbon of locking station, and the remaining torsion test easy operation of optical fiber ribbon is convenient, and the testing of the remaining torsion performance of easy optical fiber ribbon is convenient for in time detect the phenomenon that the optical fiber attenuation is bigger than normal that probably appears in the discovery optical cable work progress, guarantees the transmission performance of optic fibre in the optical fiber ribbon.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the residual torsion testing apparatus for optical fiber ribbon of the present invention;
FIG. 2 is a front view of a first locking block of the residual twist testing apparatus for optical fiber ribbons of the present invention;
FIG. 3 is a top view of a first locking block of the fiber optic ribbon residual torsion testing apparatus of the present invention;
FIG. 4 is a front view of a second locking block of the residual torsion testing apparatus for optical fiber ribbons of the present invention;
FIG. 5 is a top view of a second locking block of the residual twist testing apparatus for optical fiber ribbons of the present invention;
FIG. 6 is a front view of a first load block of the residual torsion testing apparatus for optical fiber ribbons of the present invention;
FIG. 7 is a top view of a first load block of the fiber optic ribbon residual torsion testing apparatus of the present invention;
FIG. 8 is a front view of a second load block of the residual twist testing apparatus for optical fiber ribbons of the present invention;
FIG. 9 is a top view of a second load block of the fiber optic ribbon residual torsion testing apparatus of the present invention;
the parts in the drawings are numbered as follows: 1. the test bench comprises an upper cover plate, 2, a support rod, 3, a lower cover plate, 4, a first locking block, 401, a first protruding block, 5, a second locking block, 501, a second protruding block, 6, a dial, 7, a first load block, 701, a groove, 8, a second load block, 9, an optical fiber ribbon, 10, a test bench, 11, a locking station, 12 and a load station.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 9, an embodiment of the present invention includes:
the utility model provides a remaining torsion test device of optic fibre area, includes test bench 10, locates the locking station 11 of test bench 10 top and locates load station 12 of test bench 10 below, and locking station 11 is used for providing a clamping-force for the optic fibre area, and is fixed with the one end locking of optic fibre area, and load station 12 applies the torsion angle that the load is used for measuring the optic fibre area to optic fibre area bottom portion.
The test bed 10 comprises an upper cover plate 1 and a lower cover plate 3, the upper cover plate 1 is matched with the lower cover plate 3 in shape and size, the upper cover plate 1 and the lower cover plate 3 are placed in parallel, four top corners are locked and fixed through support rods 2 which are vertically arranged, and an accommodating space for enabling the optical fiber tape 9 to be freely placed from one end to the other end is formed between the upper cover plate 1 and the lower cover plate 3.
Specifically, locking station 11 includes first latch segment 4 and second latch segment 5, and the bottom of first latch segment 4 is fastened on upper cover plate 1 surface, and second latch segment 5 and first latch segment 4 fixed connection.
Further, the first protrusion 401 is disposed in the center of the side surface of the first locking block 4, the second protrusion 501 is disposed in the center of the side surface of the second locking block 5, the outer surface of the second protrusion 201 is attached to the outer surface of the first protrusion 401, and the optical fiber ribbon 9 can be fixed more conveniently by the protrusions on the surfaces of the first locking block 4 and the second locking block 5.
The optical fiber ribbon 9 passes between the outer side surface of the first bump 401 and the outer side surface of the second bump 501, and the second locking block 5 is locked with the first locking block 4 to tightly clamp the optical fiber ribbon 9.
Specifically, the loading station 12 comprises a loading body consisting of a first loading block 7 and a second loading block 8, wherein the first loading block 7 is arranged in a semicircular shape, and the second loading block 8 is matched with the first loading block 7 in shape and size.
The two sides of the first load block 7 are locked on the lower cover plate 3, the right center of the side surface of the first load block 7 is provided with a groove 701 which penetrates along the height direction, and the side surface of the second load block 8 is attached to the side surface of the first load block 7.
The bottom end of the optical fiber ribbon 9 extends into the groove 701 between the first load block 7 and the second load block 8, and the bottom end of the optical fiber ribbon is loaded by the load main body.
Still be provided with the calibrated scale 13 of arranging along circumference on the apron 3 down, calibrated scale 13 is 0~360, and the load main part is located the positive center of calibrated scale 13, through observing the rotation number of degrees of fibre optic ribbon 9, realizes the measurement of fibre optic ribbon 9 rotation angle.
The principle of measuring the residual torsion of the optical fiber ribbon 9 is that a load of 1N is hung at the bottom of the tested optical fiber ribbon 9, so that the optical fiber ribbon 9 is twisted, a torsion angle theta is measured, and the residual torsion of the optical fiber ribbon can be calculated by dividing the torsion angle theta by the sample length of the optical fiber ribbon 9.
The method for testing the residual torsion of the optical fiber ribbon by the optical fiber ribbon residual torsion testing device comprises the following steps:
a. fixing the optical fiber ribbon 9: the optical fiber ribbon is fixed at a locking station above the test stand 10, the length of the optical fiber ribbon is recorded as L,
the optical fiber ribbon 9 passes through the centers of the first locking block 4 and the second locking block 5, the first locking block 4 and the second locking block 5 are fixed through screws, and the optical fiber ribbon is tightly clamped through the tight fit of the outer side surface of the first bulge block 401 and the outer side surface of the second bulge block 501;
b. applying a load: applying a load below the optical fiber ribbon 9, hanging a first load block 7 and a second load block 8 below the optical fiber ribbon 9, enabling the bottom end of the optical fiber ribbon 9 to extend into a groove between the two load blocks, and recording the position of the optical fiber ribbon at the moment through a dial 13;
c. measuring a torsion angle: the load is unloaded, the optical fiber ribbon 9 is twisted, and the twisting angle theta is measured through the dial 13;
d. calculating the residual torsion: the residual twist of the fiber optic ribbon is calculated by dividing the twist angle θ by the length L of the fiber optic ribbon.
The utility model discloses remaining torsion test device of optical fiber ribbon's beneficial effect is:
through the fixed mounting that the locking station easily had the optical fiber ribbon, the remaining torsion test of optical fiber ribbon easy operation is convenient, and the test of the remaining torsion performance of easy optical fiber ribbon is convenient for in time detect the phenomenon that the optical fiber attenuation that probably appears is bigger than normal in the discovery optical cable work progress, guarantees the transmission performance of optical fiber ribbon.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (9)
1. A residual torsion test device of optical fiber ribbon is characterized by comprising:
the test bed comprises an upper cover plate and a lower cover plate, wherein an accommodating space for freely placing the optical fiber tape from one end to the other end is formed between the upper cover plate and the lower cover plate;
the locking station is arranged above the test bed and used for providing a clamping force for the optical fiber and locking and fixing one end of the optical fiber ribbon;
and the load station is arranged below the test bed, applies load to the bottom end part of the optical fiber ribbon and is used for measuring the torsion angle of the optical fiber ribbon.
2. The residual torsion testing device for the optical fiber ribbon as claimed in claim 1, wherein the upper cover plate and the lower cover plate are matched in shape and size, the upper cover plate and the lower cover plate are arranged in parallel, and four corners are locked and fixed by vertically arranged support rods.
3. The fiber ribbon residual torsion testing device according to claim 1, wherein the locking station comprises a first locking block and a second locking block, a bottom end portion of the first locking block is fastened to the surface of the upper cover plate, and the second locking block is fixedly connected with the first locking block.
4. The fiber optic ribbon residual torsion testing device according to claim 3, wherein a first protrusion is provided at a midpoint of a side surface of the first locking block, a second protrusion is provided at a midpoint of a side surface of the second locking block, and an outer side surface of the second protrusion is attached to an outer side surface of the first protrusion.
5. The fiber optic ribbon residual torsion testing apparatus according to claim 4, wherein the fiber optic ribbon passes between the outer surface of the first bump and the outer surface of the second bump, and the second locking block is locked to the first locking block to tightly hold the fiber optic ribbon.
6. The fiber optic ribbon residual torsion testing apparatus of claim 1, wherein the load station includes a load body comprised of a first load block and a second load block, the first load block being disposed in a semicircular configuration and the second load block being sized and shaped to mate with the first load block.
7. The residual torsion test device of the optical fiber ribbon as claimed in claim 6, wherein two sides of the first load block are locked on the lower cover plate, a groove penetrating in the height direction is formed at the midpoint of the side surface of the first load block, and the side surface of the second load block is attached to the side surface of the first load block.
8. The fiber optic ribbon residual torsion testing apparatus of claim 7, wherein the fiber optic ribbon bottom end extends into the groove between the first load block and the second load block, and the load is applied to the fiber optic ribbon bottom end through the load body.
9. The residual torsion testing device for the optical fiber ribbon according to claim 8, wherein the lower cover plate is further provided with a dial arranged along the circumferential direction, the load main body is located at the center of the dial, and the rotation angle of the optical fiber ribbon is measured by the dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897499.8U CN212458841U (en) | 2020-09-03 | 2020-09-03 | Optical fiber ribbon residual torsion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021897499.8U CN212458841U (en) | 2020-09-03 | 2020-09-03 | Optical fiber ribbon residual torsion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212458841U true CN212458841U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021897499.8U Active CN212458841U (en) | 2020-09-03 | 2020-09-03 | Optical fiber ribbon residual torsion test device |
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| Country | Link |
|---|---|
| CN (1) | CN212458841U (en) |
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- 2020-09-03 CN CN202021897499.8U patent/CN212458841U/en active Active
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