CN109631944A - A kind of fiber optic loop preparation facilities and preparation method - Google Patents
A kind of fiber optic loop preparation facilities and preparation method Download PDFInfo
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- CN109631944A CN109631944A CN201811499747.0A CN201811499747A CN109631944A CN 109631944 A CN109631944 A CN 109631944A CN 201811499747 A CN201811499747 A CN 201811499747A CN 109631944 A CN109631944 A CN 109631944A
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- fiber optic
- baffle
- optic loop
- screw
- skeleton
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- General Physics & Mathematics (AREA)
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Abstract
The present invention relates to a kind of fiber optic loop preparation facilities and preparation methods.Use of the invention can horizontal adjustment fiber optic loop card slot width in real time, the internal stress generated in fiber optic loop is discharged in fiber optic loop preparation process, keeps the internal stress generated in fiber optic loop distribution more uniform, improves fiber optic loop Gyro Precision.The preparation facilities includes fixing seat, baffle, skeleton, screw rod and positioning pin；Two opposite end faces of fixing seat, baffle and the outer surface of skeleton surround fiber optic loop card slot；Screw rod includes the head set gradually, annular snap groove portion and threaded portion；Fixing seat spiral-lock skeleton one end and fixed by screw, the other end of the baffle spiral-lock in skeleton；Along offering first through hole, the second through-hole and threaded hole on central axis respectively in the baffle, skeleton and fixing seat；Screw rod along axial direction sequentially pass through first through hole, the second through-hole after screw flight portion be threadedly coupled with the threaded hole；Positioning pin is installed on screw rod after passing radially through baffle.
Description
Technical field
The present invention relates to optical fibre gyros, and in particular to a kind of fiber optic loop preparation facilities and preparation method.
Background technique
Optical fibre gyro has many advantages, such as that shock resistance, high sensitivity, the service life is long, dynamic range is big, the starting time is short, wide
It is general to be applied in inertial navigation system.Fiber optic loop is the core component for constituting optical fibre gyro, its own performance directly affects optical fiber
The precision of gyro.During the preparation process, the coiling of fiber optic loop and solidification process can all cause to generate unevenly in optical fiber fiber optic loop
The internal stress of distribution causes the variation of optical fibre refractivity, finally brings nonreciprocity to differ to gyro, reduces Gyro Precision.
Therefore the internal stress generated in fiber optic loop is discharged in fiber optic loop preparation process, makes generation in fiber optic loop
Internal stress distribution is more uniform for improving fiber optic loop Gyro Precision, improving production efficiency and qualification rate important in inhibiting.
But the groove width of the current most of device for being used to prepare fiber optic loop its optical fiber around to positions is fixed, and can not be adjusted
Section, cannot discharge fiber optic loop internal stress produced during the preparation process, influence the uniformity of fiber optic loop internal stress distribution.
In addition, Chinese patent, application No. is 201410585761.8 to provide a kind of fiber preparation apparatus.Such as Fig. 1, including
Fixed ring 01, optical fiber ring skeleton 02, positioning ring 03, adjustment ring 04 and retaining ring 063.Before ring, optical fiber as needed
Length calculates the width of fiber optic loop, then by rotation adjustment ring 04, to adjust the light between adjustment ring 04 and fixed frame
The distance of fine ring skeleton 02；It after the position of adjustment ring 04 is adjusted, is locked by retaining ring 063, to make adjustment ring
04 forms double nuts structure with retaining ring 063, to well fix the position of adjustment ring 04.But the device is in light
Fibre directly rotates adjustment ring before system, and adjustment ring is made to carry out rotary flat in-migration adjustment preparation fiber optic loop card slot width, Bu Neng
Prepare during fiber optic loop horizontal adjustment fiber optic loop card slot width in real time, cannot it is produced during the preparation process to fiber optic loop in answer
Power is discharged, and the uniformity of fiber optic loop internal stress distribution is influenced.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides one kind in fiber optic loop preparation facilities, can Real-time Water Heibei provincial opera
Whole fiber optic loop card slot width, discharges the internal stress generated in fiber optic loop in fiber optic loop preparation process, makes in fiber optic loop
The internal stress distribution of generation is more uniform, improves fiber optic loop Gyro Precision.
In addition, a set of simple, practical fiber optic loop preparation method should be provided based on the device present invention.
The specific technical solution of the present invention is:
A kind of fiber optic loop preparation facilities, including fixing seat, baffle and the skeleton between fixing seat and baffle；It is fixed
The outer surface of seat, baffle opposite two end faces and skeleton surrounds fiber optic loop card slot；
Its improvements is:
It further include screw rod and positioning pin；Screw rod includes the head set gradually, annular snap groove portion and threaded portion；
Fixing seat spiral-lock skeleton one end and fixed by screw, the other end of the baffle spiral-lock in skeleton；The baffle,
Along offering first through hole, the second through-hole and threaded hole on central axis respectively on skeleton and fixing seat；
Screw rod along axial direction sequentially pass through first through hole, the second through-hole after screw flight portion and the threaded hole screw thread connect
It connects；
Positioning pin passes radially through the annular snap groove portion that screw rod is installed on after baffle.
Further, above-mentioned apparatus further includes multiple lock-screws；The multiple lock-screw along the circumferential direction uniformly divides
Cloth is on baffle, and one end of each lock-screw is contacted with the skeleton, and the other end is exposed at outside baffle.
Further, in order to make moving horizontally for baffle adjust more accurate, the head end of the screw rod is equipped with edge
The equally distributed angle groove mark of circumferencial direction.
The working principle of the device is: rotary screw drives baffle trunnion axis mobile by positioning pin, is rotated by screw rod
The screw pitch of the angular marking and screw flight portion crossed quantitatively calculates the axial translation distance of baffle, so accurately adjust fixing seat,
The fiber optic loop card slot width for the preparation fiber optic loop that skeleton, baffle are formed, lock-screw around loop device for that will be locked.
Further, in order to make baffle, movement is more smooth in the horizontal direction, on the contact surface of the skeleton and baffle
It is additionally provided at least one positioning column.
Further, in order to keep the positioning of positioning pin relatively reliable, the positioning pin includes horizontal part and vertical portion；Vertically
Position rectangle and along baffle radially across in the annular slot for being installed on screw rod after baffle；The horizontal part is connected through a screw thread
It is fixed on the baffle.
Further, in order to make optical fiber, coiling facilitates its disassembly after the completion on the apparatus, and the skeleton is split type knot
Structure, including symmetrically arranged two pieces of scallops and two pieces of rectangular portions being arranged between two pieces of scallops.
Further, the length of the positioning column is greater than the length of threaded portion in screw rod.
Structure description based on above-mentioned apparatus, is now introduced the method for using the device to carry out fiber optic loop preparation:
[1] assembly of fiber optic loop preparation facilities
[1.1] fixing seat and skeleton are connected by screw to fixation, then are installed with baffle fit；
[1.2] screw rod is threadedly coupled by screw flight portion with fixing seat after baffle and skeleton, positioning pin passes through
It wears in baffle to the annular snap groove portion of screw rod, then positioning pin is connected through a screw thread and is fixed on baffle；
[1.3] according to fiber optic loop height to be prepared, the width of annular slot is prepared by rotary screw adjustment, then will lock
Tight screw locks baffle；
[1.4] preparation facilities assembled will be finally installed on ring winding machine by fixing seat；
[2] coiling of fiber optic loop
A, the real-time horizontal adjustment in every layer of optical fiber winding process realizes primary stress release；It is surrounding each layer most
When latter circle optical fiber, if the space between circle second from the bottom and baffle is inadequate, the tight screw of releasable lock is to fiber optic loop card slot
Width carries out real-time horizontal adjustment；
B, the realization process of every layer of optical fiber coiling equal turn numbers is as follows:
After the completion of 1st layer of optical fiber coiling, lock-screw is unclamped, rotary screw drives outside baffle after shifting half turn fiber distance,
Lock-screw is tightened, entire preparation facilities is locked；Continue 2 layers of optical fiber of coiling, the 2nd layer of optical fiber coiling to the 1st layer of last circle light
The circles such as layers 1 and 2 optical fiber are realized on the fine gap formed with skeleton；Remaining optical fiber coiling is completed according to prior art,
Remaining every layer of optical fiber coiling equal turn numbers can be realized；
[3] secondary stress discharges
After the completion of fiber optic loop coiling, fiber optic loop preparation facilities is removed from ring winding machine, unclamp lock-screw, rotates spiral shell
Bar drives the horizontal outer half turn fiber distance of moving of baffle to tighten lock-screw again；
[4] rotation and solidification of fiber optic loop
[5] fall off fiber optic loop
Fiber optic loop successively dismantles each seperated and fixing seat of positioning pin, screw rod, baffle, skeleton after the completion of solidifying, obtain
Complete fiber optic loop.
The beneficial effects of the present invention are:
1, the present invention enables baffle in axial direction to move horizontally using the structure of screw rod and positioning pin, avoids baffle
The problem of fiber optic loop card slot width caused by rotating can not adjust in real time itself is done, while avoiding optical fiber and baffle generation excessively
It squeezes, reduces the case where fiber optic loop generation internal stress and internal stress are unevenly distributed in winding process.
2, the present invention is fixed adjustment rear baffle position using lock-screw, so that will not go out in optical fiber winding process
The problem of coiling low precision caused by existing baffle loosens.
3, screw head of the invention setting angle index indicates, the angle index mark and screw rod rotated through by screw rod
The screw pitch of threaded portion quantitatively can directly calculate the axial translation distance of baffle, and then accurately adjust fixing seat, skeleton, baffle shape
At preparation fiber optic loop card slot width.
4, the present invention on skeleton using positioning column is arranged, so that baffle moves axially in the process more steady and smooth.
5, the present invention use horizontal part and vertical portion locating pin structure, not only when positioning pin can quickly be fixed on baffle
And disassembly, while the rectangular design of vertical portion makes the cooperation of positioning pin and annular slot relatively reliable.
6, the present invention uses split type skeleton structure, so that optical fiber on the apparatus can be quickly by it from system after the completion of coiling
It disassembles, improves work efficiency on standby device.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing fiber optic loop preparation facilities.
Fig. 2 is three-dimensional structure diagram of the invention.
Fig. 3 is cross-sectional view of the invention；
Fig. 4 is the perspective view of fixing seat；
Fig. 5 is the cross-sectional view of fixing seat；
Fig. 6 is the perspective view of skeleton；
Fig. 7 is the cross-sectional view of skeleton；
Fig. 8 is the perspective view of baffle；
Fig. 9 is the cross-sectional view of baffle；
Figure 10 is the perspective view of screw rod；
Figure 11 is the perspective view of positioning pin；
Figure 12 is the flow diagram of method.
Appended drawing reference is as follows:
1- fixing seat, 11- annular groove, 12- threaded hole；
2- skeleton, 21- scallop, 22- rectangular portion, the second through-hole of 23-, shaft part on the left of 24-, shaft part on the right side of 25-, in 26-
Between shaft part, 27- positioning column；
3- baffle, 31- first through hole, 32- second annular groove, 33- annular protrusion；
4- screw rod, the head 41-, 42- annular snap groove portion, the threaded portion 43-；
5- positioning pin, 51- horizontal part, the vertical portion 52-；
6- lock-screw, 7 fiber optic loop card slots.
Specific embodiment
Of the invention is described in detail with reference to the accompanying drawing:
The basic specific structure of the invention is as follows:
As shown in Fig. 2, the device mainly includes fixing seat 1, skeleton 2, baffle 3, screw rod 4, positioning pin 5 and lock-screws 6；
Wherein, as shown in Figure 4 and Figure 5,1 one end of fixing seat is connect with ring winding machine, and the other end is one pacifies with skeleton cooperation
The annular groove 11 of dress, and fixing seat 1 is axially disposed threaded hole 12.
As shown in Fig. 3, Fig. 6 and Fig. 7, skeleton 2 is split type structure, including symmetrically arranged two pieces of scallops 21 and is set
Set two pieces of rectangular portions 22 between two pieces of scallops 21.Two pieces of scallops 21 and be arranged between two pieces of scallops 21 two
Block rectangular portion 22 is combined into a hollow three-level stepped shaft structure, and is in axial direction equipped with the second through-hole 23；
The left side shaft part 24 of skeleton 2 and 11 seam allowance of annular groove of fixing seat 1 cooperate, right side shaft part 25 and 3 seam allowance of baffle
Cooperation, intermediate 26 outer surface of shaft part, fixing seat 1 two sides opposite with baffle 3 surround fiber optic loop card slot 7.
As shown in Fig. 3, Fig. 8 and Fig. 9, baffle 3 is along being axially arranged with first through hole 31, wherein one end is one right with skeleton
The second annular groove 32 that side axle section 25 is coupled, the other end are an annular protrusion 33.
As shown in figs. 3 and 10, screw rod 4 includes head 41, annular snap groove portion 42 and the threaded portion 43 set gradually；Spiral shell
Bar 41 along axial direction sequentially pass through first through hole 31, the second through-hole 23 after screw flight portion 41 and 12 screw thread of threaded hole connect
It connects.
Positioning pin 5, which passes radially through, is installed on annular slot 42 of screw rod after the annular protrusion 33 of baffle.
Lock-screw 6 be it is multiple, and be distributed uniformly and circumferentially on baffle 3, one end of each lock-screw 6 with
The skeleton 2 contacts, and the other end is exposed at outside baffle 3, (is fixed as fiber optic loop card slot for fixing 3 position of baffle
Width).
On this basis, preparation facilities of the invention also makes following optimization design:
1, in order to make moving horizontally for baffle 3 adjust more accurate, 41 end face of head of the screw rod is equipped with circumferentially
The equally distributed angle groove mark in direction.
2, in order to make baffle 3, movement is more smooth in the horizontal direction, be additionally provided on the contact surface of skeleton 2 and baffle 3 to
A few positioning column 34.
3, in order to keep the positioning of positioning pin relatively reliable, as in figs. 3 and 11, positioning pin 5 includes horizontal part 51 and erects
Straight portion 52；Vertical portion 52 is for rectangle and along baffle 3 radially across in the annular snap groove portion 42 for being installed on screw rod after baffle 3；Water
Flat portion 51 is fixedly connected on the annular protrusion 33 of the baffle 3 by screw.
4, the length of threaded portion 43 in screw rod will not be directly greater than when in order to translate baffle 3 from the length of positioning column 34.
Prepare fiber optic loop technical process
1, fiber optic loop preparation facilities assembles
Fixing seat and skeleton are connected by screw to fixation first, then installed with baffle fit；
Screw rod is connect installation by screw flight portion with fixing seat after baffle and skeleton again, positioning pin is through gear
The annular protrusion of plate and is fixed on baffle to the annular snap groove portion of screw rod by screw；
Then according to fiber optic loop height to be prepared, the width of annular slot is prepared by rotary screw adjustment, then will lock
Tight screw locks baffle；
The preparation facilities assembled will be finally installed on ring winding machine by fixing seat.
2, fiber optic loop coiling
According to around loop technique index request winding optical fiber ring.
A, the real-time horizontal adjustment in every layer of optical fiber winding process realizes primary stress release；
It, can pine if the space between circle second from the bottom and baffle is inadequate when around each layer last circle optical fiber
Open locking screw carries out real-time horizontal adjustment to the width of fiber optic loop card slot；It avoids optical fiber and baffle or fixing seat from generating excessively to squeeze
Pressure reduces the case where fiber optic loop generation internal stress and internal stress are unevenly distributed in winding process.
B, the realization process of every layer of optical fiber coiling equal turn numbers is as follows:
After the completion of 1st layer of optical fiber coiling, lock-screw is unclamped, rotary screw drives outside baffle after shifting half turn fiber distance,
Lock-screw is tightened, entire preparation facilities is locked；Continue 2 layers of optical fiber of coiling, the 2nd layer of optical fiber coiling to the 1st layer of last circle light
The circles such as layers 1 and 2 optical fiber are realized on the fine gap formed with skeleton；Remaining optical fiber coiling is completed according to prior art,
Remaining every layer of optical fiber coiling equal turn numbers can be realized；
3, secondary stress discharges
After the completion of fiber optic loop coiling, fiber optic loop preparation facilities is removed from ring winding machine, unclamp lock-screw, rotates spiral shell
Bar drives the horizontal outer half turn fiber distance of moving of baffle to tighten lock-screw again；Before making fiber optic loop rotation and the solidification after the completion of coiling
It carries out stress release and keeps internal stress distribution more uniform.
4, fiber optic loop rotation and solidification
With according to technical indicator requiring that fiber optic loop is rotated and solidified.
5, fall off fiber optic loop
Fiber optic loop successively dismantles each seperated and fixing seat of positioning pin, screw rod, baffle, skeleton after the completion of solidifying, obtain
Complete fiber optic loop.
Claims (9)
1. a kind of fiber optic loop preparation facilities, including fixing seat, baffle and the skeleton between fixing seat and baffle；It is fixed
The outer surface of seat, baffle opposite two end faces and skeleton surrounds fiber optic loop card slot；
It is characterized by:
It further include screw rod and positioning pin；Screw rod includes the head set gradually, annular snap groove portion and threaded portion；
Fixing seat spiral-lock skeleton one end and fixed by screw, the other end of the baffle spiral-lock in skeleton；The baffle, skeleton
And along offering first through hole, the second through-hole and threaded hole on central axis respectively in fixing seat；
Screw rod along axial direction sequentially pass through first through hole, the second through-hole after screw flight portion be threadedly coupled with the threaded hole；
Positioning pin is installed on screw rod after passing radially through baffle.
2. a kind of fiber optic loop preparation facilities according to claim 1, it is characterised in that:
The preparation facilities further includes multiple lock-screws；The multiple lock-screw is distributed uniformly and circumferentially on baffle,
Each lock-screw is threadedly coupled with baffle and one end end face of each lock-screw is contacted with the skeleton, and the other end is equal
It is exposed at outside baffle.
3. a kind of fiber optic loop preparation facilities according to claim 2, it is characterised in that: set in the head end of the screw rod
There is the angle groove being distributed uniformly and circumferentially mark.
4. a kind of fiber optic loop preparation facilities according to claim 3, it is characterised in that: the contact surface of the skeleton and baffle
On be additionally provided at least one positioning column.
5. a kind of fiber optic loop preparation facilities according to claim 4, it is characterised in that: the positioning pin include horizontal part and
Vertical portion；Vertical position rectangle and along baffle radially across in the annular slot for being installed on screw rod after baffle；The horizontal part
It is connected through a screw thread and is fixed on the baffle.
6. a kind of fiber optic loop preparation facilities according to claim 5, it is characterised in that: the vertical portion is rectangle.
7. a kind of fiber optic loop preparation facilities according to claim 6, it is characterised in that: the skeleton is split type structure,
Including symmetrically arranged two pieces of scallops and two pieces of rectangular portions being arranged between two pieces of scallops.
8. a kind of fiber optic loop preparation facilities according to claim 7, it is characterised in that: the length of the positioning column is greater than spiral shell
The length of threaded portion in bar.
9. a kind of fiber optic loop preparation method, which is characterized in that use preparation facilities as claimed in claim 8, pass through following step
The rapid coiling for realizing fiber optic loop:
[1] assembly of fiber optic loop preparation facilities
[1.1] fixing seat and skeleton are connected by screw to fixation, then are installed with baffle fit；
[1.2] screw rod is threadedly coupled by screw flight portion with fixing seat after baffle and skeleton, positioning pin is through gear
In plate to the annular snap groove portion of screw rod, then positioning pin is connected through a screw thread and is fixed on baffle；
[1.3] according to fiber optic loop height to be prepared, the width of annular slot is prepared by rotary screw adjustment, then by locking screw
Nail locks baffle；
[1.4] preparation facilities assembled will be finally installed on ring winding machine by fixing seat；
[2] coiling of fiber optic loop；
A, the real-time horizontal adjustment in every layer of optical fiber winding process realizes primary stress release；In last of circular each layer
When circle optical fiber, if the space between circle second from the bottom and baffle is inadequate, width of the tight screw of releasable lock to fiber optic loop card slot
Carry out real-time horizontal adjustment；
B, the realization process of every layer of optical fiber coiling equal turn numbers is as follows:
After the completion of 1st layer of optical fiber coiling, unclamps lock-screw and tightened after rotary screw drives baffle to move half turn fiber distance outside
Lock-screw locks entire preparation facilities；Continue 2 layers of optical fiber of coiling, the 2nd layer of optical fiber coiling to the 1st layer of last circle optical fiber with
The circles such as layers 1 and 2 optical fiber are realized on the gap that skeleton is formed；Remaining optical fiber coiling is completed according to prior art
Realize remaining every layer of optical fiber coiling equal turn numbers；
[3] secondary stress discharges
After the completion of fiber optic loop coiling, fiber optic loop preparation facilities is removed from ring winding machine, unclamps lock-screw, rotary screw band
The dynamic horizontal outer half turn fiber distance of moving of baffle tightens lock-screw again；
[4] rotation and solidification of fiber optic loop；
[5] fall off fiber optic loop；
Fiber optic loop successively dismantles each seperated and fixing seat of positioning pin, screw rod, baffle, skeleton after the completion of solidifying, obtain complete
Fiber optic loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499747.0A CN109631944B (en) | 2018-12-09 | 2018-12-09 | Optical fiber ring preparation device and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811499747.0A CN109631944B (en) | 2018-12-09 | 2018-12-09 | Optical fiber ring preparation device and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109631944A true CN109631944A (en) | 2019-04-16 |
| CN109631944B CN109631944B (en) | 2021-01-12 |
Family
ID=66072185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811499747.0A Active CN109631944B (en) | 2018-12-09 | 2018-12-09 | Optical fiber ring preparation device and preparation method |
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| Country | Link |
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| CN (1) | CN109631944B (en) |
Cited By (4)
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| CN112945265A (en) * | 2019-12-10 | 2021-06-11 | 中国电子科技集团公司第四十六研究所 | Curing method of high-precision polarization maintaining optical fiber ring |
| CN113091725A (en) * | 2021-04-12 | 2021-07-09 | 刘铭 | Zero-mean-value controlled phase modulator for optical fiber gyroscope |
| CN115265593A (en) * | 2022-07-18 | 2022-11-01 | 武汉长盈通光电技术股份有限公司 | High-precision automatic positioning ring sticking equipment |
| CN115950455A (en) * | 2023-03-09 | 2023-04-11 | 中国船舶集团有限公司第七〇七研究所 | Ring winding tool with adjustable ring height |
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| CN115950455A (en) * | 2023-03-09 | 2023-04-11 | 中国船舶集团有限公司第七〇七研究所 | Ring winding tool with adjustable ring height |
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| Publication number | Publication date |
|---|---|
| CN109631944B (en) | 2021-01-12 |
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