CN203561780U - Long glass fiber reinforced bunched pipe for optical cable threading - Google Patents
Long glass fiber reinforced bunched pipe for optical cable threading Download PDFInfo
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- CN203561780U CN203561780U CN201320723101.2U CN201320723101U CN203561780U CN 203561780 U CN203561780 U CN 203561780U CN 201320723101 U CN201320723101 U CN 201320723101U CN 203561780 U CN203561780 U CN 203561780U
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- Prior art keywords
- long glass
- threading
- glass fiber
- optical cable
- reinforced plastic
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- Expired - Lifetime
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- 210000004688 microtubule Anatomy 0.000 claims description 32
- 239000002990 reinforced plastic Substances 0.000 claims description 20
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Abstract
The utility model relates to a long glass fiber reinforced bunched pipe for optical cable threading, and belongs to the technical field of communication equipment. The long glass fiber reinforced bunched pipe comprises a plurality of threading micro tubes, a long glass fibre reinforced plastic reinforcing layer and an outer sheath layer, the plurality of threading micro tubes are arranged in the center of the bunched pipe, the plurality of threading micro tubes are wrapped by the long glass fibre reinforced plastic reinforcing layer, and the long glass fibre reinforced plastic reinforcing layer is wrapped by the outer sheath layer. According to the bunched pipe, the bending-resistant and side pressure resistant abilities can be simultaneously enhanced, and the forming ability of the reinforcing layer formed by long glass fibre reinforced plastics is stronger than the forming ability of matrix plastics so that the restriction of special shapes of the bunched pipe can be performed; the production of the long glass fiber reinforced bunched pipe is easy, the cost of raw materials is low, and the long glass fiber reinforced bunched pipe is also advantaged by outdoor aging resistance, shooting resistance, termite resistance, rat damage resistance, heat resistance, corrosion resistance and the like.
Description
Technical field
The utility model relates to a kind of optical cable threading and strengthens bundle pipes with roving glass fiber, and especially long span hangs, requires the protection bundle pipes for optical cable threading of high anti-pressure ability, high tensile ability, high bend resistance ability, belongs to communication facilities technical field.
Background technology
The antipriming pipe that is applied to optical cable threading has been promoted for many years as 7 hole plum tubes, 9 hole square tubes etc., is subject to the approval of the communications industry and unit in charge of construction with advantages such as its compact conformation, constructabilities, has become pre-buried protection tube conventional in fiber cable laying.Because internal aperture is large, be generally used for dragging of large logarithm optical cable and wear cable.Along with the exploitation of air-blowing micro-cable technology, in large diameter pipeline, blow multiply optical cable, will inevitably cause the mutual winding of optical cable, so not only pneumatic transmission distance is short, also may cause because of the distortion of optical cable that light loss increases.
In order to solve the mutual winding in Installation of Air Blowing Fiber Optic Cable process, make full use of the problem of the useful space simultaneously, existing patented technology has proposed effective solution.Patent CN2690903Y " a kind of high assembled density micro optic fiber cable conduit " proposes a kind of combination of sets beam tube of triple protection, and wherein inner tube is microtubule, in the future for air-blowing optical cable; There is the sub-pipe of light pipe or corrugated tube centre, for built-in microtubule is divided into groups and protected; Outer tube is corrugated tube, plays outer protective effect.Structure, the anti-outside pressure energy power of this design is better, but resistance to tension is limited.Once give birth to notch distortion because laying real estate, or hang and lay middle generation stretching, internal micro-tubes and optical cable are subject to stretching action.
Patent CN201765362U " a kind of bundle pipes for mounting micro cable " proposes a kind of bundle pipes with screen layer, has silicon core pipe microtubule in it, for wearing, send optical cable; Inner tube periphery is coated screen layer, for moistureproof and shielding electromagnetic wave; Screen layer is close to oversheath outward.Screen layer, when playing shielding and moisture-proof role, has the effect that improves bundle pipes stretch-proof ability, but its control process difficulty, during the little screen layer of this rebound resilience of employing aluminium strip, also can be brought and while laying, be difficult to open up straight problem.
Patent CN201917687U " polyethylene silicon bunching pipe " proposes a kind of oversheath with the bundle pipes of wear-resisting interior surface layers, and its center is the silicon core pipe microtubule with trapezoidal intra-striate, for wearing, send optical cable; Peripheral coated inside surface has the oversheath of wearing layer.What wearing layer was outstanding is wear-resisting effect, the raising to tensile strength etc. emphatically.
In cable configuration design, in order to improve tensile strength, used steel wire, fiberglass rod etc. as inner reinforcement, the tensile strength of optical cable to be improved, and had part external sheath layer to adopt long glass fibres reinforced plastic to strengthen.As layer-stranding cable, slotted core cable have started to use in a large number fiberglass rod or fiberglass skeleton, adapt to the enhancing that long-range hangs, especially there is the nonconductive optical fiber cable aspect of the performances such as thunder-lightning.
For external sheath layer, contain long glass fiber reinforced plastic materials and parts to improve the application aspect of optical cable tensile ability, can retrieve the patented technology of relevant application aspect.What wherein, have typicalness is patent CN2648465Y " a kind of glass fibre reinforced strip capable of vertical packing for light cable ".The scheme that this patented technology proposes is that glass fibre is evenly arranged in a flexible shoestring, and flexible banded surface is provided with hot melt adhesive, and wherein flexible shoestring consists of thermoplastic resin.While producing optical cable, with this flexible shoestring is vertical, wrap in outside optical cable loose tube, the heat during by outer squeeze jacket layer makes it form sealing pipe and be bonded into one with oversheath, plays and strengthens and lateral pressure resistant effect.The upper difficulty of scheme production that this patented technology proposes is very large, can cause the significantly raising of production cost.
Summary of the invention
The object of this utility model is to propose a kind of optical cable threading to strengthen bundle pipes with roving glass fiber, change the structure of bundle pipes for existing optical cable threading, so that bundle pipes compact conformation, lightweight, and improve its tensile strength and compressive strength high, optimize its bending resistance.
The optical cable threading the utility model proposes strengthens bundle pipes with roving glass fiber, comprise many threading microtubules, long glass fibres reinforced plastic enhancement Layer and external sheath layer, many described threading microtubules are placed in the center of bundle pipes, described long glass fibres reinforced plastic enhancement Layer is wrapped in the skin of many threading microtubules, and described external sheath layer is wrapped in outside long glass fibres reinforced plastic enhancement Layer.
The optical cable threading the utility model proposes strengthens bundle pipes with roving glass fiber; its advantage is; in this bundle pipes, adopt long glass fibres reinforced plastic as the material of enhancement Layer; glass fibre in material is dispersed in matrix plastic along the continuity of bundle pipes axis direction long-range; and be subject to the protection of matrix plastic around, the humidification of shared to bundle pipes resistance to tension.Due to the layered distribution of long glass fibres, the counter-bending of bundle pipes and lateral pressure resistant ability are improved simultaneously.And because the sizing ability of long glass fibres reinforced plastic composition enhancement Layer is better than the sizing ability of matrix plastic, so can also carry out to bundle pipes the constraint of special shape.And this long glass fibres strengthens bundle pipes and be easy to produce, raw materials cost is cheap, also has anti-outdoor aging, anti-gunshot, termite-proof, mouse bite preventing, the premium properties such as heat-resisting, corrosion-resistant.
Accompanying drawing explanation
Fig. 1 is that the optical cable threading the utility model proposes strengthens the structural representation of bundle pipes with roving glass fiber.
Fig. 2 is an embodiment of the present utility model.
In Fig. 1 and Fig. 2, the 1st, long glass fibres reinforced plastic enhancement Layer, the 2nd, threading microtubule, the 3rd, external sheath layer, the 4th, tight sheath, the 5th, trace lines, the 6th, rip-cord.
Embodiment
The optical cable threading the utility model proposes strengthens bundle pipes with roving glass fiber, and its structure as shown in Figure 1, comprises many threading microtubules 2, long glass fibres reinforced plastic enhancement Layer 1 and external sheath layer 3, described.Many threading microtubules 2 are placed in the center of bundle pipes, and long glass fibres reinforced plastic enhancement Layer 1 is wrapped in the skin of many threading microtubules 2, and described external sheath layer 3 is wrapped in outside long glass fibres reinforced plastic enhancement Layer 1.
The optical cable threading the utility model proposes strengthens bundle pipes with roving glass fiber, in the enhancement Layer of long glass fibres reinforced plastic wherein, by long glass fibres bundle, by Forced Dispersion technology, it is scattered in matrix plastic, then by pre-setting or be directly coated on inner threading microtubule subassembly and form outward.The preferred medium-alkali glass fibre of its glass fibre and alkali-free glass fibre.Its glass fibre Forced Dispersion technology can be the technology of existing long glass fibres Forced Dispersion in plastics, can be also by directly by matrix plastic melt and glass fiber bundle through rolling the simple technique of Forced Dispersion etc.The enhancement Layer that long glass fibres reinforced plastic forms can be that one deck long glass fibres reinforced plastic forms, and can be also that the stack of multilayer long glass fibres reinforced plastic forms.Multilayer long glass fibres reinforced plastic stack composition can be to be compounded to form after online stack, can be also superimposion formation again after producing separately.Glass fibre is dispersed in matrix plastic along the continuity of bundle pipes axis direction long-range, and is subject to the protection of matrix plastic around, the humidification of shared to bundle pipes resistance to tension.Due to the layered distribution of long glass fibres, the counter-bending and lateral pressure resistant ability of bundle pipes is improved simultaneously.The sizing ability that forms enhancement Layer due to long glass fibres reinforced plastic is better than the sizing ability of matrix plastic, can also utilize it bundle pipes to be carried out to the constraint of special shape.
As shown in Figure 2, wherein 4 is tight sheaths to an embodiment of the present utility model, the 5th, and trace lines, the 6th, rip-cord.But, except threading microtubule, can there is at least plastic protective jacket layer of one deck hard-pressed bale, and then the coated enhancement Layer being formed by long glass fibres reinforced plastic.The additional use of this hard-pressed bale oversheath, is mainly used in avoiding thin micro tube to produce local bending may be because of bale breaking state time, causes and wears cable difficulty.
Bundle pipes inside can, according to surveying needs, arrange suitable trace lines or follow the trail of and use magnetic signal element.Trace lines can be the continuous metal wire of 1-2 root, preferably with the copper cash of restrictive coating; Following the trail of can be continuous with magnetic signal element, also can have the fixed cycle to be interrupted.Bundle pipes inside can, according to stripping pipe needs, arrange suitable rip-cord.Rip-cord can be 1-4 root high strength cotton rope or twisting glass filament bundle.
The optical cable threading the utility model proposes strengthens bundle pipes with roving glass fiber, can be that common circle cross-section roving glass fiber strengthens bundle pipes, can be also the bundle pipes in quincunx cross section.For optical cable threading microtubule good rigidly, bundle pipes sheath bed thickness, there is no the bundle pipes of special humidity resistance requirement etc., can use common circle cross-section roving glass fiber to strengthen bundle pipes.Also can be that band hard-pressed bale sheath circle cross-section roving glass fiber strengthens bundle pipes.
For a little less than optical cable threading microtubule rigidity, bundle pipes restrictive coating is thin, have the bundle pipes of special humidity resistance requirement etc., can use band hard-pressed bale sheath circle cross-section roving glass fiber to strengthen bundle pipes.
For the bundle pipes that there is no high critical external compressive resistance requirement, can use ordinary construction hard-pressed bale type roving glass fiber to strengthen bundle pipes.Here alleged ordinary construction hard-pressed bale type roving glass fiber strengthens in bundle pipes ordinary construction for simple structure, and hard-pressed bale type refers to that the outline line of restrictive coating shape and optical cable threading microtubule accumulation profile is similar figures.For example the tightly packed shape of 7 optical cable threading microtubules is the regular hexagons with arc chord angle, and the profile of ordinary construction hard-pressed bale type roving glass fiber enhancing bundle pipes is also the similar regular hexagon with arc chord angle so.
For a little less than optical cable threading microtubule rigidity, bundle pipes restrictive coating is thin, have the bundle pipes of special humidity resistance requirement etc., can use band annex hard-pressed bale type roving glass fiber to strengthen bundle pipes.
The 7 optical cable threading microtubules of take are produced circular oversheath as example.Produce in advance long glass fiber reinforced plastic material and be fixed to the prefabricated pipe with straight line open seam of specifying wall thickness and internal diameter, when roving glass fiber strengthens bundle pipes and produces, with special-purpose slotting device, open and cut open reserved seam and by cutting gap leading in cable threading microtubule open.Prefabricated pipe and the optical cable threading microtubule of having introduced pass through after special-purpose slotting device, and prefabricated pipe can resilience merge gap, by optical cable threading microtubule parcel wherein.The compound tube having completed after parcel program enters oversheath cross-head, carries out the coated of oversheath, can complete the production process of the technical program.Wherein special-purpose slotting device object is successfully to cut open the open seam of prefabricated pipe, and imports smoothly the optical cable threading microtubule that wish is introduced, but can not cause that prefabricated pipe rebound resilience is low goes out resilience requirement.If necessary, can use known method that the compound tube open seam that completes parcel program is carried out to thermofussion welding.
Pre-setting make-up is assured production method: the 7 optical cable threading microtubules of take are produced circular oversheath as example.Produce in advance long glass fiber reinforced plastic material and be fixed to and specify the long of two and half semi arch shape of cross sections of wall thickness and internal diameter to be with, these two long bands can be to being fastened as a prefabricated pipe.When roving glass fiber strengthens bundle pipes production, the optical cable threading microtubule that two and half round belts of prefabricated pipe and wish are introduced is by special-purpose to after buckle device, and the prefabricated pipe that the optical cable threading microtubule that wish is introduced is closed the two and half round belts formation of buckleing is buckled in wherein, forms compound tube.This pipe enters oversheath cross-head, carries out the coated of oversheath, can complete the production process of the technical program.
If necessary, can use known method that the compound tube open seam that completes parcel program is carried out to thermofussion welding.
Embodiment 7 heat are coated production method directly, and the 7 optical cable threading microtubules of take are produced circular oversheath as example.The long glass fiber reinforced plastic material strip of online production appointed thickness simultaneously and width, in its matrix plastic under thermoplasticity state, frontlighting cable threading microtubule is advanced and is wrapped up gradually the microtubule fasolculus of optical cable threading and close up long glass fiber reinforced plastic material strip, finally reach joint close, carry out subsequently air blast cooling cooling, make long glass fiber reinforced plastic material strip cooling and shaping.Compound tube after sizing can enter oversheath cross-head under higher temperature, carries out the coated of oversheath, completes the production process of the technical program.
Because the cost of glass in long glass fiber reinforced plastic material is low, but tensile strength is far above general plastics, and its density is approximately below 1/3rd of steel band, and it is non-conducting material simultaneously, can meet the requirements such as thunder-lightning.
Claims (1)
1. an optical cable threading strengthens bundle pipes with roving glass fiber, it is characterized in that this bundle pipes comprises many threading microtubules, long glass fibres reinforced plastic enhancement Layer and external sheath layer, many described threading microtubules are placed in the center of bundle pipes, described long glass fibres reinforced plastic enhancement Layer is wrapped in the skin of many threading microtubules, and described external sheath layer is wrapped in outside long glass fibres reinforced plastic enhancement Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723101.2U CN203561780U (en) | 2013-11-13 | 2013-11-13 | Long glass fiber reinforced bunched pipe for optical cable threading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723101.2U CN203561780U (en) | 2013-11-13 | 2013-11-13 | Long glass fiber reinforced bunched pipe for optical cable threading |
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| Publication Number | Publication Date |
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| CN203561780U true CN203561780U (en) | 2014-04-23 |
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| CN201320723101.2U Expired - Lifetime CN203561780U (en) | 2013-11-13 | 2013-11-13 | Long glass fiber reinforced bunched pipe for optical cable threading |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898239A (en) * | 2015-05-29 | 2015-09-09 | 成都亨通光通信有限公司 | Anti-rat-bite optical cable |
| CN106154472A (en) * | 2016-09-21 | 2016-11-23 | 太仓市晨洲塑业有限公司 | A kind of high reflection-type optical cable protective tube |
| CN106154473A (en) * | 2016-09-21 | 2016-11-23 | 太仓市晨洲塑业有限公司 | A kind of buffer-type optical cable protective tube |
| CN107065090A (en) * | 2017-01-24 | 2017-08-18 | 帕哈提·吾买尔 | A kind of dismountable seven-hole honeycomb tube |
| CN109709650A (en) * | 2018-11-27 | 2019-05-03 | 广东中讯通讯设备实业有限公司 | A kind of reinforced silicone pipes and preparation method thereof with flame retarding function |
-
2013
- 2013-11-13 CN CN201320723101.2U patent/CN203561780U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898239A (en) * | 2015-05-29 | 2015-09-09 | 成都亨通光通信有限公司 | Anti-rat-bite optical cable |
| CN106154472A (en) * | 2016-09-21 | 2016-11-23 | 太仓市晨洲塑业有限公司 | A kind of high reflection-type optical cable protective tube |
| CN106154473A (en) * | 2016-09-21 | 2016-11-23 | 太仓市晨洲塑业有限公司 | A kind of buffer-type optical cable protective tube |
| CN107065090A (en) * | 2017-01-24 | 2017-08-18 | 帕哈提·吾买尔 | A kind of dismountable seven-hole honeycomb tube |
| CN109709650A (en) * | 2018-11-27 | 2019-05-03 | 广东中讯通讯设备实业有限公司 | A kind of reinforced silicone pipes and preparation method thereof with flame retarding function |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |