CN218157289U - Optical fiber tension testing device - Google Patents
Optical fiber tension testing device Download PDFInfo
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- CN218157289U CN218157289U CN202222358206.4U CN202222358206U CN218157289U CN 218157289 U CN218157289 U CN 218157289U CN 202222358206 U CN202222358206 U CN 202222358206U CN 218157289 U CN218157289 U CN 218157289U
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Abstract
The application provides an optical fiber tension testing device which comprises a first clamp, a second clamp, a sliding rail and a tension testing mechanism, wherein the first clamp is fixedly arranged and used for clamping one end of an optical fiber to be tested; the first clamp and the second clamp are arranged along the axial direction of the optical fiber to be tested, the height of the first clamp is flush with that of the second clamp, and the second clamp is used for clamping the other end of the optical fiber to be tested; the second clamp is slidably mounted on the slide rail, and the second clamp slides on the slide rail along the axial direction of the optical fiber to be tested; the tension testing mechanism is slidably mounted on the slide rail, a testing end of the tension testing mechanism is connected with one side, deviating from the first clamp, of the second clamp through the universal joint, and the tension testing mechanism is used for driving the second clamp to slide in the direction deviating from the first clamp and detecting tension on the side of the second clamp in real time. Has the advantages of simple structure, convenient operation and accurate measuring result.
Description
Technical Field
The application belongs to the technical field of testing, especially, relate to an optic fibre pulling force testing arrangement.
Background
The optical fiber is widely applied to the inside of a laser, a coating layer on the surface of the optical fiber is usually required to be stripped, the surface of an inner cladding layer of the optical fiber is subjected to mechanical processing or chemical corrosion to obtain a bare fiber, the bare fiber is easy to break after receiving axial tension or radial shear force, the reliability of the laser is greatly influenced, the axial strength of the bare fiber or the optical fiber is required to be tested, a manual handheld tensiometer is generally adopted for testing, deviation exists in the manual force application process due to the axial force application direction, and the measurement result is inaccurate.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an optical fiber tension testing device to there is the deviation because of axial application of force direction in solving current optical fiber test process, leads to the inaccurate problem of measuring result.
In a first aspect, an embodiment of the present application provides an optical fiber tension testing apparatus, including:
the first clamp is fixedly arranged and used for clamping one end of the optical fiber to be tested;
the first clamp and the second clamp are arranged along the axial direction of the optical fiber to be tested, the height of the first clamp is flush with that of the second clamp, and the second clamp is used for clamping the other end of the optical fiber to be tested;
the second clamp is slidably mounted on the slide rail, and the second clamp slides on the slide rail along the axial direction of the optical fiber to be tested;
the tensile force testing mechanism is slidably mounted on the sliding rail, a testing end of the tensile force testing mechanism is connected with one side, deviating from the first clamp, of the second clamp through a universal joint, and the tensile force testing mechanism is used for driving the second clamp to slide towards the direction deviating from the first clamp and detecting the tensile force on the side of the second clamp in real time.
Optionally, the device further comprises a driving part, the driving part is connected with the tension testing mechanism, and the driving part is used for driving the tension testing mechanism to slide along the sliding rail.
Optionally, the sliding rail and the first clamp are fixed on the bottom plate, a mounting plate is further arranged on the bottom plate, the mounting plate is located on one side, deviating from the first clamp, of the sliding rail, and the driving portion is fixed on the mounting plate.
Optionally, the method further includes: the control system is in signal connection with the tension testing mechanism and the driving part;
wherein the control system is configured to:
controlling the driving part to drive the tension testing mechanism to move at a preset speed;
receiving the tension generated by the second clamp side detected by the tension testing mechanism;
and calculating the actual tension when the optical fiber to be tested is broken according to the tension.
Optionally, the control system is configured to control the driving part to drive the tensile testing mechanism to move at a constant speed at a preset speed V;
V＝L/20；
wherein L is the length of the optical fiber to be tested.
Optionally, the control system is configured to calculate an actual tension when the optical fiber to be tested is pulled apart according to a difference between the second tension and the first tension detected by the tension testing mechanism;
wherein, the first tensile force is a tensile force value detected by the tensile force testing mechanism when the second clamp 200 is unloaded and the second clamp 200 slides;
and the second tension is a tension value detected by the tension testing mechanism when the optical fiber to be tested is broken.
Optionally, the first clamp and the second clamp each include:
a base;
the cover plate is hinged to the base, and the cover plate and the base clamp and fix the optical fiber to be tested.
Optionally, a magnet is arranged on the base and adsorbs the cover plate.
Optionally, a screw is arranged on the cover plate, a through screw hole is arranged on the cover plate and the base, and the cover plate and the base are locked through the screw.
Optionally, one side of the base facing the cover plate is provided with a first accommodating groove for accommodating the optical fiber to be tested, a second accommodating groove is arranged at a position of the cover plate opposite to the first accommodating groove, and the cross-sectional shapes of the first accommodating groove and the second accommodating groove are in a V shape.
The utility model provides an optic fibre tensile test device, through the fixed optic fibre that awaits measuring of first anchor clamps and second anchor clamps centre gripping, high durability and convenient operation, be connected through universal joint between tensile test mechanism and the second anchor clamps, tensile test mechanism drives the axial displacement of second anchor clamps along the optic fibre that awaits measuring on the slide rail, the stress point of tensile test mechanism and second anchor clamps side all is located same straight line, measuring result is accurate, there is the deviation because of axial application of force direction in having overcome current optic fibre testing process, lead to the unsafe problem of measuring result, and is simple in structure, high durability and convenient operation, the accurate advantage of measuring result.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.
For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts in the following description.
Fig. 1 is a schematic structural diagram of an optical fiber tension testing apparatus provided in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a first clamp and a second clamp provided in an embodiment of the present application.
Fig. 3 is a side view of fig. 2.
Fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an optical fiber tension testing device to there is the deviation because of axial application of force direction in solving current optical fiber test process, leads to the inaccurate problem of measuring result. The following description will be made with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an optical fiber tension testing apparatus provided in an embodiment of the present application.
An optical fiber tension testing device comprises a first clamp 100, a second clamp 200, a sliding rail 300 and a tension testing mechanism 400.
The first fixture 100 and the second fixture 200 are arranged along the axial direction of the optical fiber 800 to be tested, the height of the first fixture 100 is flush with the height of the second fixture 200, the first fixture 100 is fixedly arranged, the first fixture 100 is used for clamping and fixing one end of the optical fiber 800 to be tested, the second fixture 200 is used for clamping and fixing the other end of the optical fiber 800 to be tested, the optical fiber 800 to be tested is overhead through the first fixture 100 and the second fixture 200, the second fixture 200 is slidably mounted on the sliding rail 300 through a second slider 310, the second fixture 200 slides on the sliding rail 300 along the axial direction of the optical fiber 800 to be tested, the tensile testing mechanism 400 is slidably mounted on the sliding rail 300 through a first slider 320, the tensile testing mechanism 400 can be a push-pull dynamometer, a digital dynamometer, a pointer type force gauge or a tensile force sensor, and the like, the testing end of the tensile testing mechanism 400 is connected with one side of the second fixture 200 departing from the first fixture 100 through a universal joint 500, the universal joint 500 can be arranged on the second fixture 200 or can be arranged on the second slider 310, the situation that the testing end of the tensile testing mechanism 400 and the position of the tensile testing end of the tensile testing mechanism 400 and the tensile joint 500 are located on the same straight line, namely, can be driven by the tensile testing mechanism 200 to generate the tensile testing direction of the second fixture 200, and the tensile testing mechanism 100, and the tensile testing mechanism can be used for detecting the tensile testing mechanism 100 in real-pull testing in real-time.
It can be understood, through fixed examination optic fibre 800 that awaits measuring of first anchor clamps and second anchor clamps centre gripping in this application embodiment, and convenient operation, be connected through universal joint between tensile test mechanism and the second anchor clamps, tensile test mechanism drives the axial displacement of second anchor clamps along examination optic fibre 800 that awaits measuring on the slide rail, make the stress point of tensile test mechanism and second anchor clamps side all be located same straight line, and this straight line is parallel with the axis of examination optic fibre 800 that awaits measuring, and has simple structure, and convenient operation, advantage that the measuring result is accurate.
In the optical fiber tension testing process, the friction force between the second fixture 200 and the slide rail 300 needs to be considered, under the condition that the second fixture 200 does not clamp and fix the optical fiber 800 to be tested, the tension testing mechanism 400 is moved in the direction away from the first fixture 100, the tension testing mechanism 400 drives the second fixture 200 to move in the direction away from the first fixture 100, the tension testing mechanism 400 detects the tension of the side of the second fixture 200 in real time, after the second fixture 200 slides, the tension testing mechanism 400 stops moving, and in the process, the maximum value recorded by the tension testing mechanism 400 is F1; when the optical fiber tension test is carried out, the tension testing mechanism 400 is moved in the direction away from the first clamp 100, the tension testing mechanism 400 drives the second clamp 200 to move in the direction away from the first clamp 100 in the same direction, the optical fiber 800 to be tested on the first clamp 100 and the second clamp 200 is gradually tensioned until the optical fiber 800 to be tested is broken, in the process, the maximum numerical value recorded by the tension testing mechanism 400 is F2, the actual tension of the optical fiber 800 to be tested is calculated according to the difference value of the F2 and the F1, and the test result is accurate.
In some embodiments, the slide rail device further comprises a driving part 600, the driving part 600 is connected to the tensile testing mechanism 400, and the driving part 600 is used for driving the tensile testing mechanism 400 to slide along the slide rail 300. It can also be understood that the device further includes a driving portion 600, the driving portion 600 is connected to the first slider 320, the driving portion 600 drives the first slider 320 to slide along the sliding rail 300 and drives the tensile testing mechanism 400 thereon to move, and the driving portion 600 may be a servo driving motor.
It can be understood that the above-mentioned tensile testing mechanism 400 can be manually operated to slide on the slide rail 300, but the manual operation has the problem of acceleration, which affects the accuracy of the measurement result, therefore, in the embodiment of the present application, the driving portion 600 drives the tensile testing mechanism 400 to slide on the slide rail 300 at a constant speed, which further improves the accuracy of the measurement result, and the operation is simple.
On the basis of the above embodiment, still include bottom plate 700, slide rail 300 and first anchor clamps 100 are fixed in on bottom plate 700, still are equipped with mounting panel 710 on the bottom plate 700, and mounting panel 710 is located the slide rail 300 and deviates from one side of first anchor clamps 100, and drive division 600 is fixed in mounting panel 710.
The base plate 700 is a flat plate, the first clamp 100, the slide rail 300 and the driving part 600 are integrated on the base plate 700, the second clamp 200 and the tension testing mechanism 400 are integrated on the slide rail 300, and the optical fiber tension testing device is compact in overall structure and convenient to move.
In some embodiments, the device further comprises a control system, which is in signal connection with the tensile testing mechanism 400 and the driving portion 600;
wherein the control system is configured to:
controlling the driving part 600 to drive the tension testing mechanism 400 to move at a certain operating speed;
receiving the tension generated on the second clamp 200 side detected by the tension testing mechanism 400;
and calculating the actual tension when the optical fiber 800 to be tested is broken according to the tension.
It can be understood, the optic fibre tension testing arrangement that this application embodiment provided, can read the numerical value that tension testing mechanism 400 tested by the staff, but the reading result probably has the error, therefore, set up control system, through control system control drive portion 600 with the operation of predetermined speed drive tension testing mechanism 400 uniform velocity, tension testing mechanism 400 is tension sensor, tension sensor and control system signal connection, the tension value that control system real-time supervision tension sensor detected, and calculate the actual tension value when awaiting measuring optic fibre 800 is pulled apart according to the tension value, the accuracy of measuring result has further been improved, degree of automation is high.
On the basis of the above embodiment, the control system is configured to control the driving part 600 to drive the tension testing mechanism 400 to move at a constant speed at a preset speed V;
V＝L/20；
where L is the length of the optical fiber 800 to be tested.
It can be understood that the optical fibers 800 to be tested with different lengths drive the tension testing mechanism 400 to move at a constant speed by adopting different speeds, and not only can the longer the length of the optical fiber 800 to be tested is, the larger the speed V is, the similar test efficiency of the optical fibers 800 to be tested with different lengths is obtained, so that the test efficiency is improved, the measurement error caused by acceleration due to manual force application is avoided, and the test precision is improved.
In some embodiments, the control system is configured to calculate an actual tension of the optical fiber 800 to be tested when it is broken according to a difference between the second tension and the first tension detected by the tension testing mechanism; wherein, the first tensile force is a tensile force value detected by the tensile force testing mechanism when the second clamp 200 is unloaded and the second clamp 200 slides; the second tensile force is a tensile force value detected by the tensile force testing mechanism when the optical fiber 800 to be tested is broken.
It can be understood that, in the process of the tension test, the tension value detected by the tension testing mechanism decreases from small to large and is in a parabolic shape, when the first tension test is performed, the control system receives the tension value detected by the tension testing mechanism in real time, and after the tension value is detected to decrease from large to small, the control driving portion 600 stops, the control system automatically selects the maximum tension value as the first tension F1, when the second tension test is performed, the control system receives the tension value detected by the tension testing mechanism in real time, and after the tension value is detected to decrease from large, the control driving portion 600 stops, the control system automatically selects the maximum tension value as the second tension F2, according to the difference between the F2 and the F1, the actual tension value when the optical fiber 800 to be tested is pulled off is calculated, the degree of automation is high, and the test result is accurate.
In addition, in order to prevent the second clamp 200 from impacting the tension testing mechanism 400 and damaging the tension testing mechanism 400 after the test object is pulled off, a stopping portion may be disposed between the tension testing mechanism 400 and the second clamp 200, and the stopping portion is a protrusion disposed on the slide rail 300 and limits the moving position of the second clamp 200. As a modification, the side of the second fixture 200 close to the tensile testing mechanism 400 is provided with a bumper strip.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a first clamp and a second clamp provided in an embodiment of the present application.
In some embodiments, each of the first fixture 100 and the second fixture 200 includes a base 110 and a cover plate 120, the cover plate 120 is hinged to the base 110, and the cover plate 120 and the base 110 clamp and fix the optical fiber 800 to be tested.
It can be understood that the first fixture 100 and the second fixture 200 include a base 110 and a cover plate 120, and the optical fiber 800 to be tested is clamped and fixed by the base 110 and the cover plate 120, so that the replacement of the optical fiber 800 to be tested is facilitated, the operation steps are simple, and the testing efficiency is improved.
The first fixture 100 and the second fixture 200 further include a spacer 130, the base 110 is mounted on the spacer 130, the spacer 130 of the first fixture 100 is fixed on the bottom plate 700, the spacer 130 of the second fixture 200 is fixed on the second slider 310, the base 110 is elevated by the spacer 130, and the optical fiber 800 to be tested is elevated, and the spacer 130 is a height-adjustable structure so as to adjust the height of the optical fiber 800 to be tested to adapt to different tensile testing mechanisms 400.
In addition to the above embodiments, the magnets 112 are provided on the base 110 and the cover 120, and the magnets 112 on the base 110 and the magnets on the cover 120 attract each other.
It can be understood that, in order to increase the clamping force between the base 110 and the cover plate 120 to fix the optical fiber 800 to be tested, the magnet 112 is additionally arranged between the base 110 and the cover plate 120, and the optical fiber 800 to be tested is clamped and fixed by virtue of the attraction force of the magnet 112, so that the operation is simple.
In the above embodiment, the cover plate 120 is provided with the screw 121, the cover plate 120 and the base 110 are provided with the screw hole 122 penetrating therethrough, and the cover plate 120 and the base 110 are fastened by the screw 121.
It can be understood that the cover plate 120 is fixed and locked with the base 110 by the screws 121, so as to improve the firmness of the end fixing of the optical fiber 800 to be tested.
On the basis of the above embodiments, referring to fig. 3 and 4, fig. 3 isbase:Sub>A side view of fig. 2, fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3,base:Sub>A first receiving groove 111 for receiving an optical fiber 800 to be tested is provided onbase:Sub>A side of the base 110 facing the cover plate 120,base:Sub>A second receiving groove 123 is provided atbase:Sub>A position of the cover plate 120 opposite to the first receiving groove 111, and the first receiving groove 111 and the second receiving groove 123 havebase:Sub>A V-shaped cross-section.
It can be understood that, the first receiving groove 111 and the second receiving groove 123 of the V shape are respectively disposed on the base 110 and the cover plate 120, so as to fix the optical fiber 800 to be tested, increase the contact area between the optical fiber 800 to be tested and the base 110 and the cover plate 120, increase the friction force of the optical fiber 800 to be tested, and further improve the firmness of the end fixing of the optical fiber 800 to be tested.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
The optical fiber tensile testing device provided by the embodiment of the present application is described in detail above, and the principle and the implementation of the present application are explained in the present application by applying specific examples, and the description of the above embodiment is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An optical fiber tension testing device, comprising:
the first clamp is fixedly arranged and used for clamping one end of the optical fiber to be tested;
the first clamp and the second clamp are arranged along the axial direction of the optical fiber to be tested, the height of the first clamp is flush with that of the second clamp, and the second clamp is used for clamping the other end of the optical fiber to be tested;
the second clamp is slidably mounted on the slide rail, and the second clamp slides on the slide rail along the axial direction of the optical fiber to be tested;
the testing end of the tension testing mechanism is connected with one side of the second clamp, which deviates from the first clamp, through a universal joint, and the tension testing mechanism is used for driving the second clamp to slide in the direction deviating from the first clamp and detecting the tension of the side of the second clamp in real time.
2. The optical fiber tension testing device according to claim 1, further comprising a driving portion, wherein the driving portion is connected to the tension testing mechanism, and the driving portion is configured to drive the tension testing mechanism to slide along the sliding rail.
3. The optical fiber tension testing device according to claim 2, further comprising a bottom plate, wherein the slide rail and the first clamp are fixed on the bottom plate, a mounting plate is further arranged on the bottom plate, the mounting plate is located on one side, away from the first clamp, of the slide rail, and the driving portion is fixed on the mounting plate.
4. The optical fiber tension testing device according to claim 2, further comprising: the control system is in signal connection with the tension testing mechanism and the driving part;
wherein the control system is configured to:
controlling the driving part to drive the tension testing mechanism to move at a preset speed;
receiving the tension generated by the second clamp side detected by the tension testing mechanism;
and calculating the actual tension when the optical fiber to be tested is broken according to the tension.
5. The optical fiber tension testing device according to claim 4, wherein the control system is configured to control the driving portion to drive the tension testing mechanism to move at a constant speed at a preset speed V;
V＝L/20；
wherein L is the length of the optical fiber to be tested.
6. The optical fiber tension testing device of claim 4, wherein the control system is configured to calculate an actual tension when the optical fiber to be tested is broken according to a difference between the first tension and the second tension detected by the tension testing mechanism;
wherein the first tensile force is a tensile force value detected by the tensile force testing mechanism when the second clamp 200 is unloaded and the second clamp 200 slides;
and the second tension is a tension value detected by the tension testing mechanism when the optical fiber to be tested is broken.
7. The optical fiber tension testing device according to claim 1, wherein the first clamp and the second clamp each comprise:
a base;
the cover plate is hinged to the base, and the cover plate and the base clamp and fix the optical fiber to be tested.
8. The optical fiber tension testing device according to claim 7, wherein a magnet is disposed on the base, and the magnet attracts the cover plate.
9. The optical fiber tension testing device of claim 8, wherein the cover plate is provided with a screw, the cover plate and the base are provided with a through screw hole, and the cover plate and the base are locked by the screw.
10. The optical fiber tension testing device of claim 7, wherein a first receiving groove for receiving the optical fiber to be tested is formed on one side of the base facing the cover plate, a second receiving groove is formed on the cover plate opposite to the first receiving groove, and the cross-sectional shapes of the first receiving groove and the second receiving groove are V-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222358206.4U CN218157289U (en) | 2022-09-02 | 2022-09-02 | Optical fiber tension testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222358206.4U CN218157289U (en) | 2022-09-02 | 2022-09-02 | Optical fiber tension testing device |
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| CN218157289U true CN218157289U (en) | 2022-12-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116359016A (en) * | 2023-04-11 | 2023-06-30 | 江苏西贝电子网络有限公司 | Optical fiber tension testing device |
| CN116990911A (en) * | 2023-09-26 | 2023-11-03 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber etching device |
-
2022
- 2022-09-02 CN CN202222358206.4U patent/CN218157289U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116359016A (en) * | 2023-04-11 | 2023-06-30 | 江苏西贝电子网络有限公司 | Optical fiber tension testing device |
| CN116359016B (en) * | 2023-04-11 | 2023-09-26 | 江苏西贝电子网络有限公司 | Optical fiber tension testing device |
| CN116990911A (en) * | 2023-09-26 | 2023-11-03 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber etching device |
| CN116990911B (en) * | 2023-09-26 | 2023-12-26 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber etching device |
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