CN204689886U - A kind of 6 meters of overlength optical fiber prefabricated rods - Google Patents
A kind of 6 meters of overlength optical fiber prefabricated rods Download PDFInfo
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- CN204689886U CN204689886U CN201520351546.1U CN201520351546U CN204689886U CN 204689886 U CN204689886 U CN 204689886U CN 201520351546 U CN201520351546 U CN 201520351546U CN 204689886 U CN204689886 U CN 204689886U
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- Prior art keywords
- tail pipe
- plug
- pipe
- sleeve
- sleeve pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The utility model provides a kind of 6 meters of overlength optical fiber prefabricated rods, comprise sleeve pipe, plug, prolongation tail pipe and tail pipe filling glass post, its middle sleeve and plug all at least two, plug is all enclosed within two sleeve pipes, another by being welded to connect between adjacent casing, extend tail pipe with telescopic joint after end be connected, and coaxially distribute with sleeve pipe, tail pipe filling glass post is embedded in and extends in tail pipe and offset with plug, its manufacturing process comprises sleeved, cored, connects and extends four steps such as tail pipe and filling tail pipe filling glass post.The utility model contributes to the production efficiency improving single optical wand length of string, optical wand utilising efficiency and wire-drawing equipment on the one hand, and the utility model can make single optical wand length of string reach 15000km, the manufacturing cost of about 3% ~ 5% is saved compared with traditional technology, there is the phenomenon that is subjected to displacement in sleeve pipe and glides that the ultra-long mandrel overcoming 6 meters of traditional length easily occurs in drawing process on the other hand, thus contribute to the constant product quality improving single optical wand wire drawing production.
Description
Technical field
The utility model relates to a kind of 6 meters of overlength optical fiber prefabricated rods, belongs to optical fiber production processing technique field.
Background technology
Along with popularizing of optical-fibre communications and bundle, current fibre circuit obtains and uses widely, but find in only using, owing to needing when fibre circuit connects to carry out melting welding connection, connect difficulty large, and link node quality is not easily controlled, therefore in order to improve fibre circuit operation stability, more and more higher to the length requirement of simple optical fiber on market, and it is current main in the processing of optical fiber, the principal element of restriction simple optical fiber length is the useful length of the plug preparing optical fiber for wire drawing, but find the increase of plug length in producing, in drawing process, and generation plug is subjected to displacement downslide phenomenon in sleeve pipe, thus cause wire drawing production efficiency low and constant product quality is poor, therefore in order to ensure quality product, the current plug length for drawing optical fibers processing is all at about 3 meters, but far can not meet the needs of market to simple optical fiber length, therefore plug stability in optical fiber prefabricating plug length and drawing process how is improved, become the important factor that restriction improves simple optical fiber quality, for this present situation, in the urgent need to developing a kind of production technique realizing preparing the prefabricated plug length of overlength optical fiber completely newly, with the needs that satisfied reality uses.
Utility model content
The purpose of this utility model is to provide the utility model and provides a kind of 6 meters of overlength optical fiber prefabricated rods.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of 6 meters of overlength optical fiber prefabricated rods, comprise sleeve pipe, plug, extend tail pipe and tail pipe filling glass post, its middle sleeve and plug all at least two, and length is identical, previous stage sleeve pipe is little compared with rear stage casing inner diameter at least 3 millimeters, plug is all enclosed within two sleeve pipes, and coaxially distribute with sleeve pipe, another by being welded to connect between adjacent casing, and casing axis is distributed in same rectilinear direction, extend tail pipe with telescopic joint after end be connected, and coaxially distribute with sleeve pipe, tail pipe filling glass post is embedded in and extends in tail pipe and offset with plug, tail pipe filling glass post is another coaxially to distribute with prolongation tail pipe.
Further, described sleeve pipe and plug length error are not more than 0.3 meter.
Further, described sleeve outer size deviation is not more than 1 millimeter, and inner diameter deviation is not more than 1.5 millimeters, and plug outside diameter tolerance is not more than 1 millimeter.
The utility model structural stability, production technique is simple, and controllability and good stability, thus contribute to the production efficiency improving single optical wand length of string, optical wand utilising efficiency and wire-drawing equipment on the one hand, and the utility model can make single optical wand length of string reach 15000km, the manufacturing cost of about 3% ~ 5% is saved compared with traditional technology, there is the phenomenon that is subjected to displacement in sleeve pipe and glides that the ultra-long mandrel overcoming 6 meters of traditional length easily occurs in drawing process on the other hand, thus contribute to the constant product quality improving single optical wand wire drawing production.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model manufacturing process flow diagram.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing of the present utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The 6 meters of overlength optical fiber prefabricated rods of one as shown in Figure 1, comprise sleeve pipe 1, plug 2, extend tail pipe 3 and tail pipe filling glass post 4, its middle sleeve 1 and plug 2 all at least two, and length is identical, previous stage sleeve pipe 1 is little at least 3 millimeters compared with rear stage sleeve pipe 1 internal diameter, plug 2 is all enclosed within two sleeve pipes 1, and coaxially distribute with sleeve pipe 1, another by being welded to connect between adjacent casing 1, and sleeve pipe 1 axis is distributed in same rectilinear direction, end after prolongation tail pipe 3 is connected with sleeve pipe 1 connects, and coaxially distribute with sleeve pipe 1, tail pipe filling glass post 4 is embedded in and extends in tail pipe 3 and offset with plug 2, tail pipe filling glass post 4 is another coaxially to distribute with prolongation tail pipe 3.
Further, described sleeve pipe and plug length error are not more than 0.3 meter.
Further, described sleeve outer size deviation is not more than 1 millimeter, and inner diameter deviation is not more than 1.5 millimeters, and plug outside diameter tolerance is not more than 1 millimeter.
The step during manufacture of a kind of 6 meters of overlength optical fiber prefabricated rods is as shown in Figure 2 as follows:
The first step, sleeved, select two length 3 meters, external diameter is 200mm external diameter, and in two sleeve pipes, front end sleeve bore is 49 millimeters, and rear end sleeve pipe is 52 millimeters, then sleeve pipe to be placed on horizontal table and to be located by fixture, make two casing axis in same rectilinear direction, then with blowtorch, melting welding is carried out to two sleeve interface, and by graphite, face of weld is smoothed at two sleeve pipe welds in melting welding simultaneously;
Second step, cored, to complete and after cooling telescopic joint, then in hydrofluoric acid, sleeve pipe and plug are cleaned 30 minutes, and dry 3 hours, then successively two plugs are placed into inside pipe casing, and by positioning fixture, plug and sleeve pipe are coaxially distributed, wherein previous stage mandrel tip and sleeve pipe seam crossing keep 0.5 millimeter of spacing, described rear stage plug front end be positioned at sleeve pipe seam crossing and with cover tube seam clamping;
3rd step, connects and extends tail pipe, after completing plug installation, be installed in cannula end by prolongation tail pipe, and prolongation tail pipe and sleeve pipe coaxially distributes;
4th step, filling tail pipe filling glass post, after completing the installation extending tail pipe and sleeve pipe, loads tail pipe filling glass post and extends in tail pipe, and tail pipe filling glass post front end and mandrel tip are offseted and compacting, then seal with vacuum seal.
In the present embodiment, by after the melting welding of two sleeve pipes 1 in the described the first step, the bow degree after two sleeve pipe docking is less than 0.5.
In the present embodiment, 1 melting welding of described prolongation tail pipe 3 and sleeve pipe is connected.
In the present embodiment, described plug 2, when carrying out bracing wire, is vacuum state in sleeve pipe 1.
Embodiment 2:
The manufacturing process of a kind of 6 meters of overlength optical fiber prefabricated rods as shown in Figure 2 comprises the steps:
The first step, sleeved, select 3 length 2 meters, external diameter is 200mm external diameter, and in two sleeve pipes, front end sleeve bore is 55 millimeters, and rear end sleeve pipe is 60 millimeters, then sleeve pipe to be placed on horizontal table and to be located by fixture, make two casing axis in same rectilinear direction, then with blowtorch, melting welding is carried out to two sleeve interface, and by graphite, face of weld is smoothed at two sleeve pipe welds in melting welding simultaneously;
Second step, cored, to complete and after cooling telescopic joint, then in hydrofluoric acid, sleeve pipe and plug are cleaned 40 minutes, and dry 4 hours, then successively two plugs are placed into inside pipe casing, and by positioning fixture, plug and sleeve pipe are coaxially distributed, wherein previous stage mandrel tip and sleeve pipe seam crossing keep 0.1 millimeter of spacing, described rear stage plug front end be positioned at sleeve pipe seam crossing and with cover tube seam clamping;
3rd step, connects and extends tail pipe, after completing plug installation, be installed in cannula end by prolongation tail pipe, and prolongation tail pipe and sleeve pipe coaxially distributes;
4th step, filling tail pipe filling glass post, after completing the installation extending tail pipe and sleeve pipe, loads tail pipe filling glass post and extends in tail pipe, and tail pipe filling glass post front end and mandrel tip are offseted and compacting, then seal with vacuum seal.
In the present embodiment, by after the melting welding of two sleeve pipes 1 in the described the first step, the bow degree after two sleeve pipe docking is less than 0.5.
In the present embodiment, 1 melting welding of described prolongation tail pipe 3 and sleeve pipe is connected.
In the present embodiment, described plug 2, when carrying out bracing wire, is vacuum state in sleeve pipe 1.
The utility model structural stability, production technique is simple, and controllability and good stability, thus contribute to the production efficiency improving single optical wand length of string, optical wand utilising efficiency and wire-drawing equipment on the one hand, and the utility model can make single optical wand length of string reach 15000km, the manufacturing cost of about 3% ~ 5% is saved compared with traditional technology, there is the phenomenon that is subjected to displacement in sleeve pipe and glides that the ultra-long mandrel overcoming 6 meters of traditional length easily occurs in drawing process on the other hand, thus contribute to the constant product quality improving single optical wand wire drawing production.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (3)
1. 6 meters of overlength optical fiber prefabricated rods, it is characterized in that: 6 meters of described overlength optical fiber prefabricated rods comprise sleeve pipe, plug, extend tail pipe and tail pipe filling glass post, wherein said sleeve pipe and plug all at least two, and length is identical, previous stage sleeve pipe is little compared with rear stage casing inner diameter at least 3 millimeters, described plug is all enclosed within two sleeve pipes, and coaxially distribute with sleeve pipe, another by being welded to connect between described adjacent casing, and casing axis is distributed in same rectilinear direction, described prolongation tail pipe with telescopic joint after end be connected, and coaxially distribute with sleeve pipe, described tail pipe filling glass post is embedded in and extends in tail pipe and offset with plug, described tail pipe filling glass post is another coaxially to distribute with prolongation tail pipe.
2. a kind of 6 meters of overlength optical fiber prefabricated rods according to claim 1, it is characterized in that, described sleeve pipe and plug length error are not more than 0.3 meter.
3. a kind of 6 meters of overlength optical fiber prefabricated rods according to claim 1, it is characterized in that, described sleeve outer size deviation is not more than 1 millimeter, and inner diameter deviation is not more than 1.5 millimeters, and plug outside diameter tolerance is not more than 1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351546.1U CN204689886U (en) | 2015-05-27 | 2015-05-27 | A kind of 6 meters of overlength optical fiber prefabricated rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351546.1U CN204689886U (en) | 2015-05-27 | 2015-05-27 | A kind of 6 meters of overlength optical fiber prefabricated rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204689886U true CN204689886U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520351546.1U Expired - Fee Related CN204689886U (en) | 2015-05-27 | 2015-05-27 | A kind of 6 meters of overlength optical fiber prefabricated rods |
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| Country | Link |
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| CN (1) | CN204689886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860530A (en) * | 2015-05-27 | 2015-08-26 | 江苏亨通光纤科技有限公司 | Six-meter super-long optical fiber preform bar and manufacturing process |
-
2015
- 2015-05-27 CN CN201520351546.1U patent/CN204689886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860530A (en) * | 2015-05-27 | 2015-08-26 | 江苏亨通光纤科技有限公司 | Six-meter super-long optical fiber preform bar and manufacturing process |
| CN104860530B (en) * | 2015-05-27 | 2017-03-22 | 江苏亨通光纤科技有限公司 | Six-meter super-long optical fiber preform bar and manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20180527 |