CN109143520B - Tension telescoping device for laying optical fiber and measuring method thereof - Google Patents
Tension telescoping device for laying optical fiber and measuring method thereof Download PDFInfo
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- CN109143520B CN109143520B CN201810966369.6A CN201810966369A CN109143520B CN 109143520 B CN109143520 B CN 109143520B CN 201810966369 A CN201810966369 A CN 201810966369A CN 109143520 B CN109143520 B CN 109143520B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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Abstract
The invention discloses a tension telescopic device for laying optical fibers, which belongs to the technical field of optical fiber grating monitoring and comprises a tension telescopic pipe and a fixed main body, wherein at least one end of the tension telescopic pipe is fixed on an object to be detected, and the tension telescopic pipe comprises a non-telescopic tension telescopic pipe and a telescopic tension telescopic pipe; when the object to be detected is a telescopic body, the fixing main body is a telescopic fixing main body; when the object to be measured is a rotating body, the fixed main body is a rotary fixed main body, and the rotating body comprises a non-rotating body and a rotating rear rotating body. By adopting the tension telescopic pipe device, the optical fiber can well pass through the movable structure, effectively transmit signals, implement monitoring and the like, and the integral laying performance of an optical fiber laying object with the movable structure is realized; another object of the invention is to provide a measuring method of the device which facilitates the control of the length of the tension bellows, minimizing the space requirements required by the invention during monitoring.
Description
Technical Field
The invention belongs to the technical field of fiber bragg grating monitoring, and particularly relates to a tension telescoping device for laying optical fibers and a measuring method thereof.
Background
At present, optical fiber monitoring technology mainly lays optical fibers inside or on the surface of a structure, and the whole string of optical fibers is required to be fixed on the surface or inside of the structure in the laying process.
Because the optical fiber is very fragile, the stretchability and the folding resistance are very poor, when a movable structure is encountered, the traditional arrangement method cannot monitor the movable structure, such as a jack with a certain range, and according to the traditional optical fiber arrangement method, the optical fiber cannot pass through the jack to carry out the integral monitoring of the structures at the two ends of the jack; for example, the movable parts of the airplane wing, such as leading edge slat, trailing edge flap and aileron, can rotate within 90 ° during the operation process, and the stretchability of the optical fiber cannot meet the rotation angle.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems in the prior art, the invention provides a tension telescopic device for laying optical fibers, which can well realize that the optical fibers pass through a movable structure, effectively transmit signals, implement monitoring and the like, and realize the integral laying performance of an optical fiber laying object with the movable structure. Another object of the present invention is to provide a measuring method of the device.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme:
a tension telescoping device for laying optical fibers comprises a tension telescoping tube and a fixing main body, wherein at least one end of the tension telescoping tube is fixed on an object to be measured, and the tension telescoping tube comprises a non-telescoping tension telescoping tube and a telescoping tension telescoping tube; when the object to be detected is a telescopic body, the fixed main body is a telescopic fixed main body; when the object to be measured is a rotating body, the fixed main body is a rotary fixed main body, and the rotating body comprises a non-rotating body and a rotating rear rotating body.
The two ends of the tension telescopic pipe are respectively provided with a perforated rubber plug for plugging the two ends of the tension telescopic pipe, and the middle part of the perforated rubber plug is provided with a perforated rubber plug hole.
Two ends of the tension telescopic pipe are fixed on an object to be measured through a binding belt, one end of the binding belt is fixed at the end part of the tension telescopic pipe, and the other end of the binding belt is connected with the fixing foot through a binding belt head; two anchor holes are arranged on the fixed feet, and a band hole is arranged between the fixed feet and the band head.
The ribbon be nylon material or stainless steel material, the ribbon head forms with fixed foot integral type preparation.
When the object to be measured is a telescopic body, the telescopic body is arranged on one side of the telescopic fixing main body, the telescopic body is a one-way telescopic body, and two ends of the tension telescopic pipe, into which the optical fiber is placed, are respectively fixed on the telescopic fixing main body and the telescopic body through binding belts.
When the object to be measured is a telescopic body, the telescopic body is arranged on two sides of the telescopic fixed main body, the telescopic body is a bidirectional telescopic body, one tension telescopic pipe is arranged, and two ends of the tension telescopic pipe, into which the optical fiber is placed, are respectively fixed on the telescopic bodies on the two sides through binding belts.
When the object to be measured is the telescopic body, the telescopic body set up in telescopic fixed main part's both sides, the telescopic body is two-way telescopic body, the flexible pipe of tension be two and the symmetry sets up, will put into the flexible both ends of the flexible pipe of tension after the optic fibre and fix respectively on telescopic fixed main part and telescopic body through the ribbon.
When the object to be measured is the rotator, fixed main part be the fixed main part of rotation type, set up the rotation axis in the one end of the fixed main part of rotation type, the flexible pipe both ends of tension that do not stretch out and draw back set up respectively on the fixed main part of rotation type and the rotatory rotator of not rotating, after the rotatory rotator of not rotating, the flexible pipe both ends of tension after stretching out and drawing back set up respectively on the fixed main part of rotation type and the rotatory back rotator through the ribbon.
When the object to be measured is the rotator, fixed main part be the fixed main part of rotation type, the fixed main part and the rotation axis interval of rotation type set up, the flexible pipe both ends of tension that do not stretch out and draw back set up respectively on the fixed main part of rotation type and the rotatory rotator of not rotating, after the rotatory rotator of not rotating, the flexible pipe both ends of tension after stretching out and drawing back set up respectively on the fixed main part of rotation type and the rotatory back rotator through the ribbon.
The measuring method of the tension telescoping device for laying the optical fiber comprises the following steps:
1) assembling a corresponding tension telescopic device according to an object to be detected; in the installation process, the optical fiber penetrates through a rubber plug and the tension telescopic pipe, the tension telescopic pipe keeps a straight line at the moment, the rubber plug is plugged at the corresponding end of the tension telescopic pipe and is sealed by epoxy resin glue or quick-drying glue, and hydraulic oil or other lubricating oil liquid is filled into the pipe when the pipe is stable; then the binding belt is used for fixing the end; in the same way, the other end of the tension telescopic pipe is installed; then, according to the determined fixed positions, the two fixed feet are correspondingly fixed on the movable structure and the fixed main body structure by using quick-drying glue, and the two ends of the fixed feet are sealed and fixed by using epoxy resin glue;
2) when one tension telescopic tube is adopted, an object to be measured is a unidirectional telescopic body, the telescopic body is stretched in a unidirectional mode, the distance between two fixed legs is determined to be D, the maximum travel of the telescopic body is assumed to be L, and a tolerance value delta L is set to be (1% -5%) L, so that the length of the tension telescopic tube, namely the arc length c of an arc is more than or equal to L + D + delta L;
3) when one tension telescopic tube is adopted, an object to be measured is a bidirectional telescopic body, the telescopic body is stretched bidirectionally, the distance between two fixed feet is determined to be D, the maximum travel of the telescopic body is assumed to be L, and a tolerance value delta L is set to be (1% -5%) L, so that the length of the tension telescopic tube, namely the arc length c of an arc is more than or equal to L + D + delta L;
4) when the two tension extension tubes are used and the object to be measured is a bidirectional extension body, the extension body is bidirectional extension, and the distance between two fixed feet of the two tension extension tubes is D1、D2Assuming that the maximum travel of the telescopic body is L and a tolerance value DeltaL is (1% -5%) L, the lengths of the tension telescopic pipes are respectively equal to or longer than L + D as the arc length c of the arc1+ΔL、c≥L+D2+ΔL；
5) When the object to be measured is a rotating body, a rotating shaft is arranged at the end part of the rotating type fixing main body, the distance D between the fixing legs is determined, and assuming that the thickness of the position of the rotating body is t after the rotating body is not rotated or rotated, the radian c of the tension extension tube is more than or equal to D +2 t;
6) when the object to be measured is a rotating body, rotating shafts are arranged at intervals at one end of the rotary fixed main body, the positions of fixing feet arranged on the fixed main body and the rotating body are determined, the distance from the rotating shafts to the fixed main body is D, and the radian c of the tension telescopic pipe is larger than or equal to 2D + t.
Has the advantages that: compared with the prior art, the tension telescopic pipe device for laying the optical fibers can well realize that the optical fibers pass through the movable structure, effectively transmit signals, implement monitoring and the like, and realize the integral laying performance of an optical fiber laying object with the movable structure; another object of the invention is to provide a measuring method of the device which facilitates the control of the length of the tension bellows, minimizing the space requirements required by the invention during monitoring.
Drawings
FIG. 1 shows a perforated rubber ring;
FIG. 2 is a cross-sectional view of the rubber ring with the hole;
FIG. 3 is a cross-sectional view of a stainless steel or nylon cable tie with a securing foot;
FIG. 4 is a top view of a stainless steel or nylon cable tie with securing feet;
FIG. 5 is the layout of the tension extension tubes of the unidirectional telescopic body (jack);
FIG. 6 shows the layout of the tension extension tubes of the two-way telescopic body (jack) (both fixed legs are mounted on the telescopic body);
FIG. 7 shows the layout of the tension extension tubes of the two-way telescopic body (jack) (the fixing legs are respectively installed on the fixing main body and the telescopic body);
fig. 8 is a tension expansion and contraction layout of the rotary shaft at the contact position of the fixed body (main wing) and the rotary body (aileron);
fig. 9 is a tension expansion and contraction layout in which the rotation axis is away from the contact position of the fixed body (main wing) and the rotating body (flap).
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1-8, the reference numbers are: a telescopic fixed main body 1, a telescopic body 2, a non-telescopic tension telescopic pipe 3, a telescopic tension telescopic pipe 4, a rotary fixed main body 5, a non-rotary body 6, a rotary rear rotary body 7 and a rotary shaft 8; a holed rubber plug 11, a holed rubber plug hole 12, a cable tie 21, a cable tie head 22, a fixing foot 23, an anchor hole 24 and a cable tie hole 25. Ribbon 21 is nylon material or stainless steel material, and ribbon head 22 forms with fixed foot 23 integral type preparation, sets up two anchor eyes 24 on fixed foot 23.
The tension telescopic pipe has two states, one is a tension telescopic pipe 3 which is not stretched, and the other is a tension telescopic pipe 4 which is stretched; as shown in fig. 1-2, both ends of the tension telescopic tube are provided with a holey rubber plug 11, the middle part of the holey rubber plug 11 is provided with a holey rubber plug hole 12, the holey rubber plugs 11 plug both ends of the tension telescopic tube, the holey rubber plug hole 12 allows the optical fiber to penetrate out, and the holey rubber plug 11 is used for plugging the inner part of the tension telescopic tube by adding lubricating oil or hydraulic oil and the like which can protect the optical fiber.
As shown in fig. 3-4, two ends of the tension telescopic tube are fixed on the object to be measured through a binding band 21, one end of the binding band 21 is fixed at the end of the tension telescopic tube, the other end of the binding band 21 is connected with a fixing foot 23 through a binding head 22, two anchor holes 24 are arranged on the fixing foot 23, and a binding hole 25 is arranged between the fixing foot 23 and the binding band head 22.
The ribbon 21 is used for binding the tension telescopic tube with the fixing foot 23; other methods are possible, such as a jack, without the strap 21, by making holes directly in the two ends of the jack, placing the tension extension tube inside and then closing it with a sealing collar, in the same principle as the strap 21.
A tension telescoping device for laying optical fibers comprises a tension telescoping tube and a fixed main body, wherein at least one end of the tension telescoping tube is fixed on an object to be measured, and the tension telescoping tube comprises a non-telescoping tension telescoping tube 3 and a telescoping tension telescoping tube 4; when the object to be measured is the telescopic body 2, the fixing main body is the telescopic fixing main body 1; when the object to be measured is a rotating body, the fixed body is a rotating fixed body 5, and the rotating body comprises a non-rotating body 6 and a rotating rear rotating body 7.
The telescopic body 2 is arranged on one side or two sides of the telescopic fixing main body 1; when the telescopic body 2 is arranged at one side of the telescopic fixed main body 1, the telescopic body 2 is a one-way telescopic body; when the telescopic body 2 is arranged on two sides of the telescopic fixing main body 1, the telescopic body 2 is bidirectional.
And determining the length and the fixed position of the tension telescopic pipe according to the size and the stroke of the movable structure to be traversed. In the installation process, the optical fiber passes through a rubber plug 11 and the tension telescopic pipe, the tension telescopic pipe keeps a straight line at the moment, the rubber plug 11 is plugged at the corresponding end of the tension telescopic pipe and is sealed by epoxy resin glue or quick-drying glue, and hydraulic oil or other lubricating oil liquid is filled into the pipe when the pipe is stable; this end is then secured by a tie 21. In the same way, the other end of the tension bellows is installed. Then, according to the previously determined fixing positions, the two fixing feet 23 are fixed on the movable structure and the fixed main structure correspondingly by using quick-drying glue, and the two ends are sealed and fixed by using epoxy resin glue.
When one tension telescopic tube is arranged, the distance between the two fixing feet 23 is D; when two tension telescopic tubes are provided, the distance between the two fixing feet 23 of each of the two tension telescopic tubes is D1、D2。
Example 1 one tension expansion tube and one unidirectional expansion body 2 as the object to be measured
As shown in fig. 5, when the telescopic body 2 is disposed at one side of the telescopic fixing body 1, the object to be measured is the unidirectional telescopic body 2; the telescopic fixing main body 1 is fixed, the telescopic body 2 is telescopic, and two ends of the tension telescopic pipe with the optical fiber placed in are respectively fixed on the telescopic fixing main body 1 and the telescopic body 2 through the binding belts 21, namely the tension telescopic device for laying the optical fiber.
In the method for measuring the tension telescopic device for laying the optical fiber, the telescopic body 2 is stretched in one direction, the tension telescopic tube keeps a certain radian, the distance between the two fixed feet 23 is determined to be D, and if the maximum stroke of the telescopic body 2 is L and a tolerance value delta L is set to be (1% -5%) L, the length of the tension telescopic tube, namely the arc length c of the arc is more than or equal to L + D + delta L.
Example 2 one tension expansion pipe and two-way expansion body 2 as the object to be measured
As shown in fig. 6, when the telescopic body 2 is disposed on both sides of the telescopic fixing body 1, the object to be measured is the bidirectional telescopic body 2; the telescopic fixing main body 1 is fixed, the telescopic body 2 is telescopic, and two ends of the tension telescopic pipe with the optical fiber placed in are respectively fixed on the telescopic bodies 2 at two sides through the binding belts 21, namely the tension telescopic device for laying the optical fiber.
In the method for measuring the tension telescopic device for laying the optical fiber, the distance between the two fixed legs 23 is determined to be D, and if the maximum stroke of the telescopic body 2 is L and a tolerance value delta L is set to be (1% -5%) L, the length of the tension telescopic tube, namely the arc length c of the arc is more than or equal to L + D + delta L.
Example 3 two tension telescopic tubes and the object to be measured is a bidirectional telescopic body 2
As shown in fig. 7, when the telescopic body 2 is disposed on both sides of the telescopic fixing body 1, the object to be measured is the bidirectional telescopic body 2; the telescopic fixing main body 1 is fixed, the telescopic body 2 can be telescopic, the two tension telescopic pipes are symmetrically arranged, and two ends of the tension telescopic pipe, into which the optical fiber is put, are respectively fixed on the telescopic fixing main body 1 and the telescopic body 2 through the binding belt 21, namely the tension telescopic device for laying the optical fiber.
In the method for measuring the tension expansion device for laying the optical fiber, the expansion body 2 is stretched in two directions, the tension expansion pipes keep a certain radian, and the distances between the two fixing feet 23 of the two tension expansion pipes are respectively D1、D2Assuming that the maximum stroke of the telescopic body is L and one tolerance value DeltaL is (1% -5%) L, the lengths of the two tension telescopic pipes, namely the arc lengths of the arcs are respectively c ≥ L + D1+ΔL、c≥L+D2+ΔL。
Example 4 a rotating shaft 8 is provided at one end of a rotating stationary body 5 and an object to be measured is a rotating body
As shown in fig. 8, the rotary fixing body 5 is fixed, the non-rotary body 6 is rotatably connected with the rotary fixing body 5 through the rotary shaft 8, two ends of the non-telescopic tension telescopic tube 3 are respectively arranged on the rotary fixing body 5 and the non-rotary body 6 through the bands 21, and after the non-rotary body 6 is rotated, two ends of the telescopic tension telescopic tube 4 after being stretched are respectively arranged on the rotary fixing body 5 and the rotary post-rotary body 7 through the bands 21.
According to the measuring method of the tension telescopic device for laying the optical fiber, the rotating shaft 8 is the contact position of the rotary fixed main body 5 and the non-rotary body 6, before non-rotary movement, namely the included angle between the rotary fixed main body 5 and the non-rotary body 6 is 0 degrees, one end of the fixed foot is arranged at the contact end of the rotary fixed main body 5 and the non-rotary body 6, the distance D between the fixed feet 23 is determined according to the rotary angle range, the thickness of the non-rotary body 6 or the position of the rotary body 7 after rotation is t, the radian c of the tension telescopic tube is larger than or equal to D +2t, and the radian size and the fixed foot distance are determined according to the rotary angle range and the position of a sensor point in. The tension telescopic pipe is required to be arranged at the other side of the rotating direction of the rotating body.
Example 5 the rotating shaft 8 and the rotating stationary body 5 are disposed at an interval and the object to be measured is a rotating body
As shown in fig. 9, the rotary fixing body 5 is fixed, the non-rotary body 6 is rotatably connected to the rotary shaft 8, the non-rotary body 6 and the rotary fixing body 5 are arranged at an interval, both ends of the non-telescopic tension extension tube 3 are respectively arranged on the rotary fixing body 5 and the non-rotary body 6 through bands 21, and after the non-rotary body 6 is rotated, both ends of the telescopic tension extension tube 4 are respectively arranged on the rotary fixing body 5 and the rotary post-rotary body 7 through the bands 21.
If the rotating shaft 8 is the position where the rotating body is far away from the rotating fixed body 5 and the non-rotating body 6, before the non-rotating movement, namely the included angle between the rotating fixed body 5 and the non-rotating body 6 is 0 degree, the positions of the fixed feet arranged on the fixed body and the rotating body are determined according to the rotating angle range, the distance from the rotating shaft 8 to the fixed body 5 is D, the radian c of the tension telescopic tube is more than or equal to 2D + t, and the specific radian is determined according to the rotating range and the position of the point of the sensor in the arrangement process. The tension bellows needs to be disposed at one side of the rotation direction of the rotating body.
In examples 1 to 3, the technical means of the present invention will be described in detail by taking, as an example, a tension expansion/contraction device in which the optical fiber is attached to a hydraulic cylinder (fixed body) and a rigid jack (expansion/contraction body) of a hydraulic jack.
As shown in fig. 5-7, if referring to fig. 5 in one direction, and if referring to fig. 6 and 7 in two directions, depending on the type of travel of the jack. Determining the fixed spacing D of the telescopic tubes according to the optical fiber layout requirement (if the distance is D in one direction, the distance is D in two directions1Or D2) And a fixed position, wherein the length of the tension telescopic pipe, namely the arc length is determined to be c ═ L + (1% -5%) L + D (or D) according to the stroke L of the jack1Or D2). The diameter of the tension extension tube is 4-9 mm, and the thickness of the tension extension tube is 2-8 mm; straightening the tension telescopic pipe, penetrating the optical fiber through the rubber plug with the hole and the tension telescopic pipe, filling hydraulic oil, plugging the two ends, sealing the two ends by using quick-drying glue or epoxy resin glue, and fixing the two ends by using a stainless steel binding belt with fixing pins to finish the manufacturing of the optical fiber tension telescopic device; wherein, the size of rubber buffer and hole is decided according to the size of flexible pipe and the type of optic fibre. Fixing the fixing feet of the manufactured tension telescopic pipes on the positions of a hydraulic cylinder and a rigid jacking device which are designed in advance, and installing a plurality of tension telescopic pipes on a hydraulic jack according to the layout and monitoring requirements; adjusting the hydraulic jack to the desired position and laying it in connection with the jackHe holds the optical fiber on the body; and connecting the tension telescopic pipe with other optical fibers to form an integral optical fiber distribution and monitoring circuit.
In examples 4 to 5, the technical means of the present invention will be described in detail by taking, as an example, a tension retractor for attaching an optical fiber to a wing body (fixed body) and an outer flap (rotating body) of an aircraft.
As shown in fig. 8-9, see fig. 8 if the axis of rotation is at the point where the wing body and aileron contact; if the axis of rotation is away from the point of contact of the wing body and the aileron, see FIG. 9. Determining the fixed distance D and the installation position of two fixed feet of the telescopic pipe according to the arrangement requirement of optical fiber layout and monitoring design, and calculating the maximum rotation radian C of the outer aileron according to the rotation angle range of the outer aileron and a radian formula0Selecting a tolerance value deltaC of maximum rotation radian0＝(2％～6％)C0And determining the arc length of the tension telescopic pipe as C ═ C0+ΔC0+ D, manufacturing the tension telescopic pipe according to the parameters and the design; the dimensions of the tension expansion pipe are the same as those of the first embodiment, and the tension expansion device is manufactured as the first embodiment. Fixing the fixing feet of the manufactured tension telescopic pipes on the positions of the wing main body and the outer aileron which are designed in advance, and installing a plurality of tension telescopic pipes on two surfaces of the wing main body and the outer aileron according to the layout and monitoring requirements; adjusting the wing main body and the outer aileron to required positions, and laying and installing optical fibers on other fixed main bodies connected with the wing main body and the wing; and connecting the tension telescopic pipe with other optical fibers to form an integral optical fiber distribution and monitoring circuit.
Claims (8)
1. A method for measuring a tension telescopic device for laying an optical fiber is characterized in that: the method comprises the following steps: the tension expansion device for laying the optical fiber comprises a tension expansion pipe and a fixing main body, wherein the tension expansion pipe is divided into an unexpanded tension expansion pipe (3) and an expanded tension expansion pipe (4), and two ends of the tension expansion pipe are respectively fixed on the fixing main body and an object to be measured through fixing feet (23); when the object to be measured is the telescopic body (2), the fixed main body is the telescopic fixed main body (1); when the object to be detected is a rotating body, the fixed main body is a rotary fixed main body (5), and the rotating body is divided into an unrotated rotating body (6) and a rotated rear rotating body (7); the measuring method comprises the following steps:
1) assembling a corresponding tension telescopic device according to an object to be detected;
2) when one tension telescopic tube is adopted, an object to be detected is a one-way telescopic body (2), the telescopic body (2) is stretched in one direction, the distance between two fixed feet (23) is determined to be D, the maximum stroke of the telescopic body (2) is assumed to be L, a tolerance value delta L = (1% -5%) L is set, and the length of the tension telescopic tube, namely the arc length c of an arc is more than or equal to L + D + delta L;
3) when the two tension extension tubes are used and the object to be measured is the two-way extension body (2), the extension body (2) is stretched in two directions, and the distance between the two fixed feet (23) of the two tension extension tubes is D1、D2Assuming that the maximum stroke of the telescopic body is L and a tolerance value Delta L = (1% -5%) L is set, the lengths of the tension telescopic pipes are respectively equal to or more than L + D of the arc length c1 of the arc1+ΔL、c2≥L+ D2+ΔL；
4) When the object to be measured is a rotating body, a rotating shaft (8) is arranged at the end part of the rotary fixing main body (5), the distance D between the fixing legs (23) is determined, and assuming that the thickness of the rotary fixing main body (5) is t, the arc length c of the tension telescopic tube is more than or equal to D +2 t;
5) when the object to be measured is a rotating body, rotating shafts (8) are arranged at one end of the rotary fixing main body (5) at intervals, the positions of fixing pins (23) arranged on the fixing main body and the rotating body are determined, the distance between the fixing pins (23) is determined to be D, and the arc length c of the tension telescopic pipe is more than or equal to 2D + t if the thickness of the rotary fixing main body (5) is t.
2. A method of measuring a tension telescopic device for laying an optical fiber according to claim 1, wherein: the two ends of the tension telescopic pipe are respectively provided with a perforated rubber plug (11) for plugging the two ends of the tension telescopic pipe, and the middle part of the perforated rubber plug (11) is provided with a perforated rubber plug hole (12).
3. A method of measuring a tension telescopic device for laying an optical fiber according to claim 1, wherein: two ends of the tension telescopic pipe are fixed through a binding belt (21), one end of the binding belt (21) is fixed at the end part of the tension telescopic pipe, and the other end of the binding belt is connected with a fixing foot (23) through a binding belt head (22); two anchor holes (24) are arranged on the fixed foot (23), and a tie hole (25) is arranged between the fixed foot (23) and the tie head (22).
4. A method of measuring a tension telescopic device for laying an optical fiber according to claim 3, wherein: the binding belt (21) is made of nylon materials or stainless steel materials, and the binding belt head (22) and the fixing feet (23) are integrally manufactured.
5. A method of measuring a tension telescopic device for laying an optical fiber according to claim 3, wherein: when the object to be measured is the telescopic body (2), the telescopic body (2) is arranged on one side of the telescopic fixing main body (1), the telescopic body (2) is the one-way telescopic body (2), and two ends of the tension telescopic pipe which is put into the optical fiber are respectively fixed on the telescopic fixing main body (1) and the one-way telescopic body (2) through the binding belts (21).
6. A method of measuring a tension telescopic device for laying an optical fiber according to claim 3, wherein: when the object to be measured is the telescopic body (2), the telescopic body (2) is arranged on two sides of the telescopic fixed main body (1), the telescopic body (2) is the bidirectional telescopic body (2), the tension telescopic pipes are symmetrically arranged, and two ends of the tension telescopic pipe after the optical fiber is placed in are respectively fixed on the telescopic fixed main body (1) and the bidirectional telescopic body (2) through the binding belts (21).
7. A method of measuring a tension telescopic device for laying an optical fiber according to claim 3, wherein: when the object to be measured is the rotator, fixed main part (5) for the rotation type, one end at fixed main part (5) of rotation type sets up rotation axis (8), and the both ends of the flexible pipe of tension (3) that do not stretch out and draw back are passed through ribbon (21) and are set up respectively on fixed main part (5) and the rotatory rotator of rotation (6) of rotation type, do not rotate the back in rotator (6), and the both ends of the flexible pipe of tension (4) after stretching out and drawing back still set up respectively on fixed main part (5) of rotation type and rotatory back rotator (7) through ribbon (21).
8. A method of measuring a tension telescopic device for laying an optical fiber according to claim 3, wherein: when the object to be measured is the rotator, fixed main part be the fixed main part (5) of rotation type, the fixed main part (5) and the rotation axis (8) interval of rotation type set up, the both ends of the flexible pipe of tension (3) that do not stretch out and draw back pass through ribbon (21) and set up respectively on fixed main part (5) and the rotatory rotator of rotation type (6), do not rotate the rotator (6) rotatory back, the both ends of the flexible pipe of tension (4) after stretching out and drawing back still set up respectively on fixed main part (5) of rotation type and rotatory back rotator (7) through ribbon (21).
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| CN201810966369.6A CN109143520B (en) | 2018-08-23 | 2018-08-23 | Tension telescoping device for laying optical fiber and measuring method thereof |
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| CN201810966369.6A CN109143520B (en) | 2018-08-23 | 2018-08-23 | Tension telescoping device for laying optical fiber and measuring method thereof |
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| CN109143520B true CN109143520B (en) | 2021-07-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365570A (en) * | 2009-03-27 | 2012-02-29 | 3M创新有限公司 | Low profile fiber drop point of entry system and method of installing |
| CN203033150U (en) * | 2012-12-24 | 2013-07-03 | 陈思语 | Strap capable of being fixed on wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3308916B2 (en) * | 1998-11-11 | 2002-07-29 | 株式会社ピー・エス | Ring cable insertion device for shield segment |
| US6915058B2 (en) * | 2003-02-28 | 2005-07-05 | Corning Cable Systems Llc | Retractable optical fiber assembly |
| KR100952825B1 (en) * | 2005-12-30 | 2010-04-15 | 주식회사 케이티 | Optical cable and tension member supporting apparatus of optical cable |
| CN102607787B (en) * | 2012-03-23 | 2017-05-17 | 中国海洋大学 | Method for testing influences of internal flow to dynamic property of marine risers |
| JP6293035B2 (en) * | 2014-10-22 | 2018-03-14 | 新日鉄住金エンジニアリング株式会社 | cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365570A (en) * | 2009-03-27 | 2012-02-29 | 3M创新有限公司 | Low profile fiber drop point of entry system and method of installing |
| CN203033150U (en) * | 2012-12-24 | 2013-07-03 | 陈思语 | Strap capable of being fixed on wall |
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