CN111879213B - Auxiliary tool for rapidly checking static curvature radius of optical cable in transformer substation - Google Patents
Auxiliary tool for rapidly checking static curvature radius of optical cable in transformer substation Download PDFInfo
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- CN111879213B CN111879213B CN202010799704.5A CN202010799704A CN111879213B CN 111879213 B CN111879213 B CN 111879213B CN 202010799704 A CN202010799704 A CN 202010799704A CN 111879213 B CN111879213 B CN 111879213B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 50
- 230000003068 static effect Effects 0.000 title claims abstract description 29
- 238000005452 bending Methods 0.000 claims abstract description 61
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims 2
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/213—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring radius of curvature
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an auxiliary tool for quickly checking static curvature radius of an optical cable in a transformer substation, which comprises a flexible bending measurement ring, wherein the flexible bending measurement ring is provided with a limiting device, two fixed disks are arranged inside the flexible bending measurement ring, the two fixed disks are connected with each other through a plurality of connecting columns, and the fixed disks are connected with adjusting columns through adjusting devices. The invention adjusts the bending angles of the opposite side walls of the flexible bending measuring ring respectively through the knobs arranged on the upper and lower fixed disks of the flexible bending measuring ring, thereby changing the curvature of the flexible bending measuring ring, so that the flexible bending measuring ring can be adjusted when the static curvatures of optical cables of different standards are met, and the flexible bending measuring ring can be used for testing the static curvatures of different optical cables; through observing the position that the optical cable produced the bending, through flexible crooked measuring ring lateral wall laminating clearance, whether come out the optical cable and accord with the standard to accelerate inspection personnel's inspection speed.
Description
Technical Field
The invention relates to the technical field of optical cable static curvature radius measurement, in particular to an auxiliary tool for quickly checking optical cable static curvature radius in a transformer substation.
Background
The rapid development of optical fiber communication technology has impacted all of today's communication technology areas. Optical fiber is now laid around the world in hundreds of millions of kilometers, and optical fiber communication is not only used on land, but also forms submarine optical cable lines across the atlantic and pacific, with the cable almost surrounding the entire earth. From our country's wishes, "fifteen" plans that the total length of the optical cable in our country will reach 250 ten thousand km, nearly two years, and the average optical cable laid in our country is about 30 ten thousand km every year, and in the next 5 years, the total amount of the domestic optical cable demand will reach 250 ten thousand km; when optical fibers are laid in an optical cable, the cable is usually bent for various reasons; the following conclusions can be drawn through statistics of the causes of the cable faults: a significant portion of cable failures are caused by excessive bending of the cable as it is being laid. The static bend radius of the cable should not be less than 15 times the outer diameter of the cable too small of a radius of curvature, as required by the relevant standards, and will cause a change in the light propagation path, rendering light from the fiber less tradable through the cladding and possibly even leaking outwardly through the cladding.
There are two main methods for measuring the static bending radius of the optical cable during project acceptance. The first method is that a technician judges whether the curvature radius of the optical cable at the corner part is qualified or not according to the calculated minimum curvature radius and practical experience, but the method has high professional requirements on the technician, strong subjectivity and larger deviation of results. Secondly, a professional instrument is adopted to measure the optical cable at the corner part on site, the method has accurate measurement result but complex operation, and enterprises have more rigorous standards on the curvature of the optical cable for ensuring the quality of the optical cable; an auxiliary tool for rapidly checking the static curvature radius of an optical cable in a transformer substation is provided.
Disclosure of Invention
The invention aims to solve the defects of inaccurate detection effect and complex operation of the existing detection mode, and provides an auxiliary tool for quickly checking the static curvature radius of an optical cable in a transformer substation, which can realize quick detection of the static curvature radius of the optical cable and ensure the detection accuracy.
In order to achieve the purpose, the invention adopts the following technical scheme:
an auxiliary tool for quickly checking the static curvature radius of an optical cable in a transformer substation comprises a flexible bending measurement ring, wherein one side of the flexible bending measurement ring is provided with an arc-shaped corresponding groove, the other side of the flexible bending measurement ring is provided with a limiting device, two fixing discs are arranged in the flexible bending measurement ring from top to bottom, the two fixing discs are connected with each other through a plurality of connecting columns, the fixing discs are connected with adjusting columns through adjusting devices, each adjusting device comprises a through hole formed in each fixing disc, the side wall of each fixing disc at the through hole is rotatably connected with a knob, a display device is arranged on each knob, the inner side wall of each knob is in threaded connection with a threaded column, and the bottom of each threaded column is rotatably connected with the top of each adjusting column; the display device comprises a dial gauge arranged at the end part of the knob, and an arrow is carved on the fixed disc positioned at one side of the knob;
the adjusting column is connected with a movable plate through a linkage device, the side wall of the movable plate is fixedly connected with a fixed column, the end part of the fixed column is fixedly connected with a main collision ball, and the side wall of the movable plate is provided with collision devices.
Preferably, the limiting means comprises two oppositely disposed L-shaped limiting rings fixedly attached to one side wall of the flexible bend measurement ring.
Preferably, the linkage device comprises a fixing ring fixedly connected with the outer side wall of the adjusting column, linkage rods are rotatably connected to the opposite side walls of the fixing ring, a connecting piece is fixedly connected with the side wall of the moving plate, and the other ends of the linkage rods are rotatably connected with the connecting piece.
Preferably, conflict device is including seting up the shifting chute on the movable plate lateral wall, be provided with the restriction ring in the shifting chute, the restriction ring passes through spring and shifting chute bottom fixed connection, restriction ring tip fixedly connected with runs through the conflict post of shifting chute lateral wall, conflict post tip fixedly connected with is from conflicting the ball.
Preferably, the main interference ball is located within two L-shaped confinement rings.
Preferably, the fixing ring and the connecting piece are both provided with grooves, the opposite side walls in the grooves are fixedly connected with fixing shafts, and the linkage rod is provided with through holes penetrating through the side walls and sleeved with the fixing shafts.
Compared with the prior art, the invention has the beneficial effects that:
the bending angles of opposite side walls of the flexible bending measuring ring are respectively adjusted through knobs arranged on upper and lower fixed disks of the flexible bending measuring ring, so that the curvature of the flexible bending measuring ring is changed, the flexible bending measuring ring is adjusted when the static curvatures of optical cables of different standards are met, and the flexible bending measuring ring can be used for detecting the static curvatures of different optical cables; through observing the position that the optical cable produced the bending, through flexible crooked measuring ring lateral wall laminating clearance, whether come out the optical cable and accord with the standard to accelerate inspection personnel's inspection speed.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary tool for rapidly checking a static curvature radius of an optical cable in a substation according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic front structural view of an auxiliary tool for rapidly checking a static radius of curvature of an optical cable in a substation according to the present invention;
fig. 4 is a schematic top sectional view of an auxiliary tool for rapidly calibrating a static radius of curvature of an optical cable in a substation according to the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
fig. 6 is a schematic top view of an auxiliary tool for rapidly calibrating a static radius of curvature of an optical cable in a substation according to the present invention.
In the figure: the flexible bending measuring device comprises a flexible bending measuring ring 1, a fixed disc 2, a connecting column 3, an adjusting column 4, a movable plate 5, a fixed column 6, a main abutting ball 7, an 8L-shaped limiting ring 9, a knob 10, a threaded column 10, a fixed ring 11, a linkage rod 12, a connecting piece 13, a movable groove 14, a limiting ring 15, a abutting column 16, a secondary abutting ball 17, a dial gauge 18, an arrow 19 and a fixed shaft 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an appurtenance for quick check-up transformer substation internal optical cable static curvature radius, including flexible bending measurement ring 1, flexible bending measurement ring 1 all adopts flexible alloy material to produce with the L type restriction ring of fixed connection in its both sides, it can be crooked in certain extent, thereby conveniently the atress when adjusting bending angle, arcuation corresponding groove has been seted up to flexible bending measurement ring 1 one side, the opposite side is provided with limiting device, wherein arcuation corresponding groove can laminate with the cable, conveniently observe optical cable static curvature radius, furthermore, limiting device includes two L type restriction rings 8 that set up relatively on flexible bending measurement ring 1 one side lateral wall, through set up L type restriction ring 8 in flexible bending measurement ring 1 both sides, carry out restriction main conflict ball 7 and from taking off conflict ball 17 and flexible bending measurement ring 1 and conflict the space that L type restriction ring 8 and flexible bending measurement ring 1 produced, conflict ball 8 and flexible bending measurement ring 1 Separating;
two fixing discs 2 are arranged in the flexible bending measuring ring 1 in an up-down mode, the two fixing discs 2 are connected with each other through a plurality of connecting columns 3, two ends of each connecting column 3 are fixedly connected with the side wall of each fixing disc 2, the connecting columns 3 do not affect movement of the linkage rods 12, the connecting columns 3 and the linkage columns 12 are arranged in a staggered mode, the fixing discs 2 are connected with adjusting columns 4 through adjusting devices, furthermore, each adjusting device comprises a through hole formed in each fixing disc 2, the side wall of each fixing disc 2 at the through hole is rotatably connected with a knob 9, a display device is arranged on each knob 9, the inner side wall of each knob 9 is in threaded connection with a threaded column 10, each threaded column 10 penetrates through the side wall of the through hole, the bottom of each threaded column 10 is rotatably connected with the top of the adjusting column 4, and the adjusting columns 4 and the threaded columns 10 can be rotatably connected through bearings;
still further, the display device comprises a dial gauge 18 arranged at the end part of the knob 9, the adjustment of the curvature can be more accurate by arranging the dial gauge 18, and an arrow 19 is carved on the fixed disc 2 positioned at one side of the knob 9;
the adjusting column 4 is connected with a moving plate 5 through a linkage device, further, the linkage device comprises a fixing ring 11 fixedly connected with the outer side wall of the adjusting column 4, linkage rods 12 are rotatably connected to the opposite side walls of the fixing ring 11, a connecting piece 13 is fixedly connected to the side wall of the moving plate 5, the other end of the linkage rod 12 is rotatably connected with the connecting piece 13, grooves are formed in the fixing ring 11 and the connecting piece 13, a fixing shaft 20 is fixedly connected to the opposite side walls in the grooves, a through hole penetrating through the side walls and sleeved with the fixing shaft 20 is formed in the linkage rod 12, the linkage rod 12 is sleeved on the fixing shaft 20 through a through hole, so that the rotary connection is realized, and the vertical force is converted into the horizontal force;
the side wall of the moving plate 5 is fixedly connected with a fixed column 6, the end part of the fixed column 6 is fixedly connected with a main collision ball 7, and collision devices are arranged on the side walls of the moving plate 5 positioned on the two sides of the fixed column 6; further, the abutting device comprises a moving groove 14 formed in the outer side wall of the moving plate 5, a limiting ring 15 is arranged in the moving groove 14, the limiting ring 15 is fixedly connected with the bottom of the moving groove 14 through a spring, an abutting column 16 penetrating through the side wall of the moving groove 14 is fixedly connected to the end portion of the limiting ring 15, and a secondary abutting ball 17 is fixedly connected to the end portion of the abutting column 16; through the conflict post 16 that sets up spring coupling for receiving when exerting great pressure to flexible bending measurement ring 1 department at main conflict ball 7, can cushion the pressure that flexible bending measurement ring 1 crooked produced through the setting from conflict ball 17 in both sides, and guarantee crooked angle, avoid producing the breaking point, influence measurement, main conflict ball 7 all is located two L type retainer rings 8 with from conflict ball 17.
Note: the calculation formula related in the device is that when the knob 9 rotates for one circle, the moving distance of the threaded column 10 in threaded connection with the knob 9 is a, the adjusting column 4 driven by the threaded column 10 moves downwards, the horizontal downward moving angle of the adjusting rod is a, under the action of the linkage rod 12, the horizontal downward moving distance of the adjusting rod can obtain the moving horizontal distance of the moving plate 5 connected with the linkage rod 12 through a connecting piece through the trigonometric function relationship as b, the distance between the moving plate 5 and the flexible bending measuring ring 1 is L, and the original distance of the moving plate 5 is c, namely, at the moment, the radius of the flexible bending measuring ring 1 is R + L + c + b, wherein the variable b is related to the number of rotation turns of the knob 9, so that the variable b is controlled by setting a scale on the knob 9 and controlling the number of rotation turns of the knob 9, thereby controlling the radius R of the flexible bending measuring ring 1, where the curvature K of the flexible bend measurement ring 1 is 1/R (in differential geometry, the inverse of curvature is the radius of curvature, i.e. R is 1/K. the curvature of a planar curve is the rate of rotation of the tangential angle to the arc length for a point on the curve, defined by the differential, indicating the extent to which the curve deviates from a straight line, for a curve it is equal to the radius of the arc of the curve closest to that point).
In the invention, when the static curvature radius of the optical cable is detected, the bending amount of the flexible bending measuring ring 1 is adjusted in advance according to the minimum curvature of the detected optical cable, specifically, the position of the movable plate 5 is adjusted according to the formula R between the diameter and the curvature which is 1/K to change and adjust the bending of the flexible bending measuring ring 1, the knob 9 arranged on the fixed plate 2 at one side is rotated, the knob 9 is finely adjusted through a scale marked on the knob 9, so that the threaded column 10 in threaded connection with the inner side wall of the knob 9 moves, when the threaded column 10 moves, the adjusting column 4 fixedly connected with the threaded column is driven to move, one end of the linkage rod 12 rotationally connected with the fixed ring 11 on the outer side wall of the adjusting column 4 moves up and down, so that the linkage rod 12 drives the connecting piece 13 rotationally connected with the other end to move horizontally, when the moving plate 5 moves horizontally, the main interference balls 7 arranged on the moving plate 5 and connected through the fixed columns 6 act on the flexible bending measurement ring 1 and the L-shaped limiting ring 8, so that the flexible bending measurement ring 1 moves, and the flexible bending measurement ring 1 moves relative to the side walls of the two sides simultaneously under the simultaneous action of the two sides;
when the knob 9 on the fixed disk 2 on one side is adjusted, the knob 9 on the fixed disk 2 on the other side is also adjusted, so that the rotating directions of the two knobs 9 are opposite, the force acting on the other two sides of the flexible bending measuring ring 1 is opposite to the force acting on the two sides of the flexible bending measuring ring 1, the change of the bending degree of the flexible bending measuring ring 1 is realized, and the bending degree can be flexibly adjusted according to the standards of different optical cables;
when the bending degree of the flexible bending measurement ring 1 is well adjusted, the outer side wall arc-shaped corresponding groove of the flexible bending measurement ring 1 is attached at the position where the optical cable is bent, whether the static curvature radius of the optical cable meets the standard or not is detected in an auxiliary mode by observing the position where the optical cable is attached to the arc-shaped corresponding groove, when the minimum curvature position of the flexible bending measurement ring 1 and the side wall of the optical cable at the minimum curvature position have the attachment position, the optical cable is proved to meet the standard, when the optical cable is not attached to the flexible bending measurement ring 1 at the minimum curvature position, the optical cable is proved to have too small curvature, namely, the optical cable does not meet the standard, and therefore the detection speed of a detector is accelerated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An auxiliary tool for rapidly checking the static curvature radius of an optical cable in a transformer substation comprises a flexible bending measurement ring (1), it is characterized in that one side of the flexible bending measuring ring (1) is provided with an arc-shaped corresponding groove, the other side is provided with a limiting device, the flexible bending measuring ring (1) is internally provided with two fixing discs (2) which are arranged up and down, the two fixing discs (2) are mutually connected through a plurality of connecting columns (3), the fixed disc (2) is connected with an adjusting column (4) through an adjusting device, the adjusting device comprises a through hole arranged on the fixed disc (2), the side wall of the fixed disc (2) positioned at the through hole is rotatably connected with a knob (9), a display device is arranged on the knob (9), a threaded column (10) is connected with the inner side wall of the knob (9) in a threaded manner, the bottom of the threaded column (10) is rotatably connected with the top of the adjusting column (4); the display device comprises a dial gauge (18) arranged at the end part of the knob (9), and an arrow (19) is carved on the fixed disc (2) positioned on one side of the knob (9);
the adjusting device is characterized in that the adjusting column (4) is connected with a movable plate (5) through a linkage device, the side wall of the movable plate (5) is fixedly connected with a fixed column (6), the end part of the fixed column (6) is fixedly connected with a main collision ball (7), and the side wall of the movable plate (5) is provided with a collision device.
2. Auxiliary tool for the rapid verification of the static radius of curvature of optical cables in substations according to claim 1, characterized in that the limiting device comprises two oppositely arranged L-shaped limiting rings (8) fixedly connected to one side wall of the flexible bending measuring ring (1).
3. The auxiliary tool for rapidly verifying the static curvature radius of the optical cable in the transformer substation as claimed in claim 1, wherein the linkage device comprises a fixing ring (11) fixedly connected with the outer side wall of the adjusting column (4), linkage rods (12) are rotatably connected to the opposite side walls of the fixing ring (11), a connecting piece (13) is fixedly connected to the side wall of the moving plate (5), and the other end of each linkage rod (12) is rotatably connected with the connecting piece (13).
4. The auxiliary tool for rapidly verifying the static curvature radius of the optical cable in the substation according to claim 1, wherein the interference device comprises a moving groove (14) formed in the outer side wall of the moving plate (5), a limiting ring (15) is arranged in the moving groove (14), the limiting ring (15) is fixedly connected with the bottom of the moving groove (14) through a spring, an interference column (16) penetrating through the side wall of the moving groove (14) is fixedly connected to the end of the limiting ring (15), and a secondary interference ball (17) is fixedly connected to the end of the interference column (16).
5. Auxiliary tool for the rapid verification of the static radius of curvature of optical cables in substations according to claim 2, characterized in that the main interference ball (7) is located in two L-shaped confinement rings (8).
6. The auxiliary tool for rapidly verifying the static curvature radius of the optical cable in the substation according to claim 3, wherein the fixing ring (11) and the connecting piece (13) are respectively provided with a groove, a fixing shaft (20) is fixedly connected to the opposite side wall in each groove, and the linkage rod (12) is provided with a through hole penetrating through the side wall and sleeved with the fixing shaft (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010799704.5A CN111879213B (en) | 2020-08-11 | 2020-08-11 | Auxiliary tool for rapidly checking static curvature radius of optical cable in transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010799704.5A CN111879213B (en) | 2020-08-11 | 2020-08-11 | Auxiliary tool for rapidly checking static curvature radius of optical cable in transformer substation |
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| CN111879213A CN111879213A (en) | 2020-11-03 |
| CN111879213B true CN111879213B (en) | 2021-08-03 |
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| CN116147461B (en) * | 2023-04-24 | 2023-09-08 | 山东飘扬家具有限公司 | Automatic measuring device and control method for necking size of steel pipe for furniture |
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