CN209148924U - A kind of platypelloid type protection against rodents dragging optical cable - Google Patents
A kind of platypelloid type protection against rodents dragging optical cable Download PDFInfo
- Publication number
- CN209148924U CN209148924U CN201822009462.6U CN201822009462U CN209148924U CN 209148924 U CN209148924 U CN 209148924U CN 201822009462 U CN201822009462 U CN 201822009462U CN 209148924 U CN209148924 U CN 209148924U
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- China
- Prior art keywords
- fiber
- optical cable
- protection against
- stainless steel
- against rodents
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Abstract
The utility model discloses a kind of platypelloid type protection against rodents dragging optical cables, include two fiber units and oversheath, two fiber units are set side by side, oversheath is set on the outside of two fiber units, every fiber unit includes tight tube fiber, stainless steel tube, aramid fiber enhancement layer and unit sheath, stainless steel tube is set on the outside of tight tube fiber, and aramid fiber enhancement layer is arranged on the outside of stainless steel tube, and unit shield is set on the outside of aramid fiber enhancement layer.The utility model has the mechanical performances such as good tension, resistance to compression, bend resistance, while can use in harsh environment, have protection against rodents gnaw bite, worm ant moth erosion effect, and optical cable has that outer diameter is small, arrangement is compact, laying is convenient.
Description
Technical field
The utility model relates to a kind of dragging optical cable, especially a kind of platypelloid type protection against rodents dragging optical cable.
Background technique
As the 5G epoch build the propulsion of tide in global range, the very fast growth of the conveying capacity of information, as large capacity,
The effective means of long distance transmission, optical fiber cable has obtained largely having extensively, international in base station communication system
Technology is signal baseband part and video section, and isolated the two uses base station communication optical cable in link, and one section connects in base band
In equipment, another maintenance for terminating at video equipment is intracavitary, then signal is docked with radio-frequency antenna, intracavitary due to safeguarding in this connection
Space is small, and optical fiber is in bending interleaved state for a long time, is easy to produce optical fiber fatigue loss, so that cable lifetime shortens,
Influence transmission performance.
Existing cable configuration is relatively simple, is made of tight tube fiber and simple outer shield, there are the machinery such as tension, resistance to compression
Performance difference and bad environments mouse gnaw bite, the moth erosion of worm ant phenomena such as, be easy to cause the even disconnected fibre of the micro- folding of optical fiber in use,
Cause transmission signal impaired.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of platypelloid type protection against rodents dragging optical cables, have good anti-
Drawing, resistance to compression, buckle resistance energy.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of platypelloid type protection against rodents dragging optical cable, it is characterised in that: include two fiber units and oversheath, two optical fiber lists
Member is set side by side, and oversheath is set on the outside of two fiber units, and every fiber unit includes tight tube fiber, stainless steel tube, virtue
Synthetic fibre enhancement layer and unit sheath, stainless steel tube are set on the outside of tight tube fiber, and aramid fiber enhancement layer is arranged on the outside of stainless steel tube, single
Member shield is set on the outside of aramid fiber enhancement layer.
Further, between the oversheath and two fiber units there are in gap and the gap without filling.
Further, the tight tube fiber includes a root multimode fiber and tight sleeve layer, and tight sleeve layer is set in outside multimode fibre
Without filling between side and tight sleeve layer and multimode fibre.
Further, the tight sleeve layer is made of low smoke and zero halogen material.
Further, the stainless steel tube is made of 304 stainless steels.
Further, the stainless steel tube is using tube body made of stainless steel wire armouring spiral winding.
Further, the unit sheath and oversheath are made of low smoke and zero halogen material.
The utility model compared with prior art, has the following advantages that and effect: a kind of platypelloid type of the utility model is anti-
Mouse dragging optical cable has the mechanical performances such as good tension, resistance to compression, bend resistance, while can use in harsh environment, has anti-
Mouse gnaw bite, worm ant moth erosion effect, and optical cable has that outer diameter is small, arrangement is compact, laying is convenient.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of platypelloid type protection against rodents dragging optical cable of the utility model.
Specific embodiment
Below by embodiment, the utility model is described in further detail, and following embodiment is to the utility model
Explanation and the utility model is not limited to following embodiment.
As shown in Figure 1, a kind of platypelloid type protection against rodents dragging optical cable of the utility model, includes two fiber units and oversheath
1, two fiber units are set side by side, and oversheath 1 is set on the outside of two fiber units, and every fiber unit includes fixed light
Fibre, stainless steel tube 4, aramid fiber enhancement layer 3 and unit sheath 2, stainless steel tube 4 are set on the outside of tight tube fiber, and aramid fiber enhancement layer 3 is set
It sets in 4 outside of stainless steel tube, the setting of unit sheath 2 is in 3 outside of aramid fiber enhancement layer.
Between oversheath 1 and two fiber units there are in gap and the gap without filling.
Tight tube fiber includes a root multimode fiber 6 and tight sleeve layer 5, and tight sleeve layer 5 is set on the outside of multimode fibre 6 and fixed
Without filling between layer 5 and multimode fibre 6, disposable strip length is more than 2cm, and tight sleeve layer 5 is made of low smoke and zero halogen material.
Stainless steel tube 4 is made of 304 stainless steels.Stainless steel tube 4 is using made of stainless steel wire armouring spiral winding
Tube body.Spiral shape enhances the mechanical performances such as the flexibility of optical cable, the tension of optical cable, resistance to compression, while adapting in adverse circumstances
Middle work.
Aramid fiber enhancement layer 3 plays the role of the mechanical performances such as optical cable tensile, resistance to compression, while ensure that stainless steel tube and sheath
Between loose tube structure.Unit sheath 2 and oversheath 1 are made of low smoke and zero halogen material.
A kind of manufacturing process of the platypelloid type protection against rodents dragging optical cable of the utility model are as follows:
A, fiber unit makes
Optical fiber is mounted on optical fiber pay-off rack, adjusts 0.8 ~ 1.0N of laying tension, is involved by dancing wheel to waiting at head
With；
Extruding machine temperature control is opened, suitable extruded mould is installed, each area's temperature of extruding machine to be obtained reaches technique requirement
Extrusion molding adjusts eccentric；
Optical fiber is penetrated, restrains at take-up stand, first checks presentation quality, it is desirable that ring, point, de- material etc. can not be visible
Phenomenon checks whether the concentricity of end face is qualified, sampling and testing splitting, and 7cm removing 2cm optical fiber is taken to unshift as qualification.
When apparent size, the stripping performance of product meet technique require that disk production can be gone up.
B, the production of stainless steel tube
Fiber unit is attached to hard-pressed bale fibre pay off rack, adjusting laying tension is 1.5 ~ 2N, according to suitable Pipe making mold system
Helix tube is made, the elasticity of the molding of product surface appearance and gap and fiber unit in pipe is checked, when the appearance of product
Size meets technique and requires that disk production can be gone up.
C, unit sheath makes
Stainless steel unit is attached to unit pay off rack, adjusting laying tension is 2 ~ 2.5N, is involved to stand-by at head；It will be fragrant
Synthetic fibre is installed to pay off rack, adjusts 1 ~ 1.5N of laying tension, involves to stand-by at head；
Extruding machine temperature control is opened, processing temperature is arranged at 130 ~ 165 DEG C, suitable extruded mould is assembled, to extruding machine temperature
After degree reaches requirement, opens extrusion molding and involve optical cable, check the concentricity of product surface presentation quality and each element in end face；
At take-up stand check stainless steel tube whether with sheath adhesion (ensuring not stick together), check again for optical cable apparent size and end
Each element concentricity in face confirms that the errorless disk that can go up produces.
D, oversheath makes
Two root unit sheaths are attached to unit pay off rack, adjusting laying tension is 2.5 ~ 3N, involves to stand-by at head, beats
Extruding machine temperature control is opened, processing temperature is arranged at 140 ~ 170 DEG C, assembles suitable extruded mould, reach requirement to Extruder temperature
Later, it opens extrusion molding and involves optical cable, check the concentricity of product surface presentation quality and each element in end face；At take-up stand
Inspection unit sheath whether with sheath adhesion (ensuring not stick together), check again for optical cable apparent size and each element in end face be same
Heart degree confirms that the errorless disk that can go up produces.
A kind of platypelloid type protection against rodents dragging optical cable of the utility model has the mechanicalnesses such as good tension, resistance to compression, bend resistance
Can, while can use in harsh environment, have protection against rodents gnaw bite, worm ant moth erosion effect, and optical cable has that outer diameter is small, arrangement is tight
It gathers, lay conveniently.Institute is produced suitable for base station wiring use, indoor building cabling, video monitoring, interior conduit laying etc..
Above content is only illustrate to examples for clearly illustrating the present invention described in this specification.The utility model
Person of ordinary skill in the field can do various modifications or supplement to described specific embodiment or use similar side
Formula substitution, content without departing from the utility model specification or beyond the scope defined by this claim should all
Belong to the protection scope of the utility model.
Claims (7)
1. a kind of platypelloid type protection against rodents dragging optical cable, it is characterised in that: include two fiber units and oversheath, two fiber units
It is set side by side, oversheath is set on the outside of two fiber units, and every fiber unit includes tight tube fiber, stainless steel tube, aramid fiber
Enhancement layer and unit sheath, stainless steel tube are set on the outside of tight tube fiber, and aramid fiber enhancement layer is arranged on the outside of stainless steel tube, unit
Shield is set on the outside of aramid fiber enhancement layer.
2. a kind of platypelloid type protection against rodents dragging optical cable described in accordance with the claim 1, it is characterised in that: the oversheath and two light
Between fine unit there are in gap and the gap without filling.
3. a kind of platypelloid type protection against rodents dragging optical cable described in accordance with the claim 1, it is characterised in that: the tight tube fiber includes one
Root multimode fiber and tight sleeve layer, tight sleeve layer are set on the outside of multimode fibre and between tight sleeve layer and multimode fibre without filling.
4. a kind of platypelloid type protection against rodents dragging optical cable described in accordance with the claim 3, it is characterised in that: the tight sleeve layer uses low cigarette
Halogen-free material is made.
5. a kind of platypelloid type protection against rodents dragging optical cable described in accordance with the claim 1, it is characterised in that: the stainless steel tube uses
304 stainless steels are made.
6. according to a kind of platypelloid type protection against rodents dragging optical cable described in claim 1 or 5, it is characterised in that: the stainless steel tube is
Using tube body made of stainless steel wire armouring spiral winding.
7. a kind of platypelloid type protection against rodents dragging optical cable described in accordance with the claim 1, it is characterised in that: the unit sheath and outer shield
Set is made of low smoke and zero halogen material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009462.6U CN209148924U (en) | 2018-12-03 | 2018-12-03 | A kind of platypelloid type protection against rodents dragging optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009462.6U CN209148924U (en) | 2018-12-03 | 2018-12-03 | A kind of platypelloid type protection against rodents dragging optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148924U true CN209148924U (en) | 2019-07-23 |
Family
ID=67288609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822009462.6U Active CN209148924U (en) | 2018-12-03 | 2018-12-03 | A kind of platypelloid type protection against rodents dragging optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148924U (en) |
-
2018
- 2018-12-03 CN CN201822009462.6U patent/CN209148924U/en active Active
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