CN101435896A - Rotary connecting mechanical device of optical fiber - Google Patents
Rotary connecting mechanical device of optical fiber Download PDFInfo
- Publication number
- CN101435896A CN101435896A CNA2008101876277A CN200810187627A CN101435896A CN 101435896 A CN101435896 A CN 101435896A CN A2008101876277 A CNA2008101876277 A CN A2008101876277A CN 200810187627 A CN200810187627 A CN 200810187627A CN 101435896 A CN101435896 A CN 101435896A
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- optical fiber
- jig
- optical fibre
- clamp
- support
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- Optical Couplings Of Light Guides (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides an optical fibre rotary connecting device, which belongs to a connecting system with free rotation function. The optical fibre connecting device consists of optical fibres, an optical fibre clamp, an adjusting mechanism and a precision shafting, and comprises a bracket, an output optical fibre, a precision shaft, a shaft housing, an A adjusting seat, an A clamp, a flange 7, a B adjusting seat, a B clamp and an input optical fibre. The precision shaft is arranged on the bracket by heating the bearing; the flange is fixed on the bracket by screws and the shafting is ensured to comfortably rotate; and the input optical fibre and the output optical fibre are fixed on the A clamp and the B clamp, and then the A clamp and the B clamp are arranged on the bracket and the shaft housing respectively. The connecting device has the advantages of simple mechanical structure, convenient assembly and adjustment, easy realization of optical coupling, undistorted transmitted optical signals, high signal-to-noise ratio, low device production cost, convenient and flexible use, wide application, and convenient promotion.
Description
Technical field
The present invention proposes a kind of rotary connecting mechanical device of optical fiber, it belongs to the system that is rotationally connected freely, has autocollimatic device joints of optical fibre tool.
Background technology
The signal transmission equipment of optical fiber has that bandwidth is wide, anti-interference, low-loss, in light weight, characteristics such as volume is little and since above characteristics it become desirable signal vehicle in increasing application.The rotation of the light in the transmission course of light is of coupled connections, as between transit turntable and the base, radar antenna and carry between the car, all need freely between industrial robot and the control desk and be rotationally connected, this device wants the strict guarantee signal undistorted, the signal to noise ratio (S/N ratio) height.
Summary of the invention
The object of the present invention is to provide a kind of optical fiber revolving joint, band autocollimatic device joints of optical fibre tool.The physical construction of this coupling arrangement is simple, debug conveniently, optically-coupled is easy to realize.Be widely used in the large-scale ray machine power utilization instrument device.
The objective of the invention is to realize by following scheme.This optical fiber splicing device is made up of optical fiber, optical fiber jig, adjusting mechanism, precision bearing system, adjusts seat 5, A jig 6, an orchid 7, B adjustment seat 8, B jig 9, input optical fibre 10 comprising support 1, output optical fibre 2, precision bearing 3, axle sleeve 4, A;
Wherein stiff end comprises: support 1, A optical fiber 2, A adjustment rack 5, A jig 6, and round end comprises: send out orchid 7, B adjustment rack 8, B jig 9, B optical fiber 10,
Wherein diameter 3.2mm collimating apparatus is equipped with in A optical fiber 2, B optical fiber 10 terminations, be contained in respectively in A jig 6, the B jig 9, and its clearance, back that guarantees to be installed is less than 0.01mm.
According to precision bearing internal diameter size processing support 1 internal diameter, guarantee that interference is between 0.003-0.005mm between the two, attach it on the support by the heating bearing, equally, the sleeve diameter size and the bearing outside diameter size magnitude of interference are between 0.003-0.005mm, be seated by heating, send out axial dimension blue according to actual measurement size correction and guarantee that the magnitude of interference is between 0.005-0.01mm, to send out orchid then is fastened on the support with screw, determine that axle system rotates comfortable, with input optical fibre, output optical fibre is fixed on jig 1, on the jig 2, be installed in respectively on support and the axle sleeve.
Advantage of the present invention: the physical construction of this coupling arrangement is simple, debug conveniently, optically-coupled is easy to realize.Transmitting optical signal is undistorted, signal to noise ratio (S/N ratio) is high, and the device production cost is low.Easy to use flexible, be widely used, be convenient to promote.
Description of drawings
Fig. 1 is an optical fiber revolving joint section of structure
Adjust seat 5, A jig 6, an orchid 7, B adjustment seat 8, B jig 9, input optical fibre 10 comprising support 1, output optical fibre 2, precision bearing 3, axle sleeve 4, A;
Embodiment
The function of optical fiber connecting mechanism for rotating is to make output light propagate into short clearance in mode stably, and not influenced by the platform rotation, and transmitting enough energy light signals, the optical fiber connecting mechanism for rotating comprises three parts: precision bearing system, fiber-coaxial adjusting mechanism, and holder part.
1, precision bearing system: adopt one group of C level angular contact ball bearing 3, form precision bearing system with support member, after installing, adjusting, guarantee axle be diameter run-out less than 0.002mm, axial motion is less than 0.002mm.
2, optical fiber adjusting mechanism: adopt two groups of A, B, adjusting optical fiber collimator respectively, to make its and mechanical axis be coaxial less than 0.01mm, adjusts content and comprise: radially adjustment, axially adjust, and space angle, A, B adjust seat and are used for radially adjusting, and A, B jig are used for adjusting axially and space angle.
3, anchor clamps: the function of A anchor clamps 6, B anchor clamps 9 is to make optical fiber collimator be fixed on axial center by elastic force, semi-spherical shape is adopted in the jig bottom, 3 fixing, the convenient space angle of adjusting optical fiber output (input) end, jig adopts QSn6.5-0.1 to process, and material QSn6.5-0.1 principal feature is high strength, high resiliency.
4, debug technological process:
1) signal input part adjustment
A, with the collimating apparatus anchor clamps of packing into, as signal source, just monitor the collimating apparatus output terminal at 100mm with light emitting diode with optical microscope, rotary axis does radially to adjust that hot spot is in the middle of the crosshair.
B, just monitor the collimating apparatus output terminal with optical microscope at 200mm, rotary axis determines that hot spot is in the middle of the crosshair, does axial adjustment in case of necessity.
2) signal output part adjustment
The output terminal anchor clamps are installed, and the optical fiber collimator of packing into is adjusted axial spacing less than 0.05mm, monitors with Fiber Dynamometer, guarantees the output power maximum, rotation axis system, and the measuring and calculating power swing gets final product less than 10%.
Optical fiber revolving joint of the present invention detects its energy by experiment and loses less than 20% by this device back, can satisfy actual request for utilization.
Claims (4)
1, a kind of rotary connecting mechanical device of optical fiber, it is characterized in that this optical fiber splicing device mainly is divided into three parts: precision bearing system, the fiber-coaxial adjusting mechanism, and holder part, comprise that specifically support (1), output optical fibre (2), precision bearing (3), axle sleeve (4), A adjustment seat (5), an A jig (6), blue (7), B adjust (8), a B jig (9), B input optical fibre (10);
Wherein stiff end comprises: support (1), A optical fiber (2), A adjustment rack (5), A jig (6),
Round end comprises: send out blue (7), B adjustment rack (8), B jig (9), B optical fiber (10),
Wherein diameter 3.2mm collimating apparatus is equipped with in A optical fiber (2), B optical fiber (10) termination, be contained in respectively in A jig (6), the B jig (9),
Precision bearing (3) attaches it on the support (1) by the heating bearing, equally, axle sleeve (4) is seated by heating, to send out orchid then is fastened on the support (1) with screw, determine that axle system rotates freely, input optical fibre (10), output optical fibre (2) are separately fixed on A jig (6), the B jig (9), are installed in again on support (1) and the axle sleeve (4).
2, the rotary connecting mechanical device of a kind of optical fiber according to claim 1, it is characterized in that described precision bearing system: adopt one group of C level angular contact ball bearing, form precision bearing system with support member, after adjustment is installed, guarantee axle be diameter run-out less than 0.002mm, axial motion is less than 0.002mm.
3, the rotary connecting mechanical device of a kind of optical fiber according to claim 1, it is characterized in that described optical fiber adjusting mechanism: adopt two groups of A, B, adjusting optical fiber collimator respectively, to make itself and mechanical axis be coaxial less than 0.01mm, A, B adjust seat and are used for radially adjusting, and A, B jig are used for adjusting axially and space angle.
4, the rotary connecting mechanical device of a kind of optical fiber according to claim 1 is characterized in that described anchor clamps: A anchor clamps 6, B anchor clamps 9 make optical fiber collimator be fixed on axial center by elastic force, and semi-spherical shape is adopted in the jig bottom, and 3 fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101876277A CN101435896B (en) | 2008-12-29 | 2008-12-29 | Rotary connecting mechanical device of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101876277A CN101435896B (en) | 2008-12-29 | 2008-12-29 | Rotary connecting mechanical device of optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101435896A true CN101435896A (en) | 2009-05-20 |
| CN101435896B CN101435896B (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101876277A Expired - Fee Related CN101435896B (en) | 2008-12-29 | 2008-12-29 | Rotary connecting mechanical device of optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101435896B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073106A (en) * | 2010-12-22 | 2011-05-25 | 武汉楚星光纤应用技术有限公司 | Device for processing concentricity of optical fiber connector and processing method thereof |
| CN102590958A (en) * | 2012-03-13 | 2012-07-18 | 武汉理工大学 | Transmission collimation device for optical fiber rotation signal |
| CN108326670A (en) * | 2018-04-09 | 2018-07-27 | 东莞市中创数控设备科技有限公司 | A kind of novel head metal plate deburring machine |
-
2008
- 2008-12-29 CN CN2008101876277A patent/CN101435896B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073106A (en) * | 2010-12-22 | 2011-05-25 | 武汉楚星光纤应用技术有限公司 | Device for processing concentricity of optical fiber connector and processing method thereof |
| CN102073106B (en) * | 2010-12-22 | 2012-12-26 | 武汉楚星光纤应用技术有限公司 | Device for processing concentricity of optical fiber connector and processing method thereof |
| CN102590958A (en) * | 2012-03-13 | 2012-07-18 | 武汉理工大学 | Transmission collimation device for optical fiber rotation signal |
| CN108326670A (en) * | 2018-04-09 | 2018-07-27 | 东莞市中创数控设备科技有限公司 | A kind of novel head metal plate deburring machine |
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| Publication number | Publication date |
|---|---|
| CN101435896B (en) | 2010-10-27 |
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Granted publication date: 20101027 Termination date: 20121229 |