CN208384197U - Self-bearing type protection against rodents leading in cable - Google Patents
Self-bearing type protection against rodents leading in cable Download PDFInfo
- Publication number
- CN208384197U CN208384197U CN201821146720.9U CN201821146720U CN208384197U CN 208384197 U CN208384197 U CN 208384197U CN 201821146720 U CN201821146720 U CN 201821146720U CN 208384197 U CN208384197 U CN 208384197U
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- Prior art keywords
- cable
- self
- metal reinforcement
- protection against
- optical communication
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Abstract
The utility model belongs to communications optical cable technical field, is related to a kind of self-bearing type protection against rodents leading in cable.Optical cable includes 2 identical optical communication elements, 3 non-metal reinforcement members are twisted around fixed pipe progress SZ and form an optical communication element, non-metal reinforcement member is the GFRP or FRP of mouse bite preventing, one layer of bundle yarn layer to block water of cladding is with fire resistance characteristic after non-metal reinforcement member is twisted, on oversheath sealing-in two high-intensitive messenger wires, enhance the self-bearing capacity and survivability of optical cable.The utility model is greater than the high-intensitive messenger wire of 1800MPa using dual optical communication unit and tensile strength, and the tensile strength of optic communication high reliablity, optical cable is high, and self-bearing capacity is strong and mouse bite preventing performance is good, and it is strong to resist the natural calamities ability such as earthquake, mud-rock flow, flood.The optic communication place for the special dimension that the utility model requires rank high especially suitable for safety coefficients such as national treasury, military warehouses.
Description
Technical field
The utility model belongs to communications optical cable technical field, in particular to a kind of self-bearing type protection against rodents leading in cable.
Background technique
With deepening continuously for national defense construction, the continuous enhancing of national economic strength, leading in cable is answered special
With also more extensively.Military blindage, various long-range missile Interception Air Defense launching silos, the spy earth's core either deep-cut in mountain
Go deep into laboratory or bank finance center national treasury, valuable trophy strong-room, tightened up technology all is proposed to leading in cable
It is required that.Because worm mouse biology baits corrosion, these sternnesses of the natural calamities such as earthquake mountain torrents are examined in the bombing for facing war artillery fire
When testing, leading in cable, which is applied, just necessarily exhibits " special ability " in special dimension, needs a kind of for spies such as military affairs, national treasuries
The self-bearing type protection against rodents leading in cable of different technical field of photo communication.
Utility model content
The technical problem to be solved by the present invention is to be directed to above-mentioned extreme environment challenge, a kind of self-bearing type protection against rodents is provided
Optical cable, the optical cable self-supporting performance is good, and Anti-pull-press ability is strong, and not only Water-proof mouse is stung but also possesses dual communication unit, spare communication
Unit can be when extreme event occurs, enabling when destroying one of communication unit.
The technical solution of the utility model are as follows:
Self-bearing type protection against rodents leading in cable includes 2 optical communication elements, and the structure of the optical communication element is, in fixed pipe 1
Coat the fiber optic bundle or fibre ribbon of 1~6 optical fiber, the tangent shape of identical 2 outer circle of circular cross section non-metal reinforcement member of 3 outer diameters
At center cavity, fixed pipe 1 is placed in center cavity, and 3 non-metal reinforcement members 2 are used after SZ is twisted centered on fixed pipe 1
It pricks yarn layer 3 to coat, and fills cable cream in the gap between non-metal reinforcement member 2, form optical communication element;2 optic communication lists
Member is parallel to each other and is coated after S is twisted with water blocking layer 5 with gasket for packing 4, between optical communication element and gasket for packing 4 between
Cable cream is filled in gap, constitutes the cable core of circular cross section;Cable core is coated by the oversheath 6 of circular cylindrical cross-section, and 2 messenger wires 7 exist
The both ends of the same diameter of 6 outer circle of oversheath are protected along the axial and parallel to each other of cable core with jacket material sealing-in outside
On set 6;
The non-metal reinforcement member 2 is the cylindrical reinforcer of 2.0~8.0mm of diameter, and section is that round and surface is round and smooth,
Integral strength is high;The diameter error allowed band of non-metal reinforcement member 2 is positive and negative 0.05mm, and the material of non-metal reinforcement member 2 is
The fiberglass reinforced plastics (GFRP) or fibre reinforced plastics (FRP) of mouse bite preventing;
It is 65~250mm that 3 non-metal reinforcement members 2, which are the twisted twisting pitch of center SZ with fixed pipe 1,;
The material for pricking yarn layer 3 is water blocking yarn;
The material of the water blocking layer 5 is water blocking yarn or waterstop;
The twisting pitch that 2 optical communication elements and gasket for packing 4 use S twisted is 150~300mm;
The thickness of the oversheath 6 is not less than 1.6mm;The material of oversheath 6 is flame-proof polyethylene (ZRPE), middle density is poly-
Ethylene (MDPE) or Halogen-free flame retardant sheath material (LSZH);
The messenger wire 7 is the extraordinary intensity phosphating steel wire messenger wire that tensile strength is greater than 1800Mpa.
The utility model has the following characteristics: three non-metal reinforcement members are carried out around fixed pipe, SZ is twisted to form a light
Communication unit;One layer of bundle yarn layer to block water of cladding is with fire resistance characteristic after non-metal reinforcement member is twisted;Every self-bearing type is anti-
Mouse leading in cable has 2 identical optical communication elements, one of optical communication element be it is spare, when special emergency occurs
It enables;Cladding water blocking layer constitutes cable core after two optical communication elements are twisted by S, and cable core outer surface is coated with oversheath;Outer shield
Put on sealing-in the messenger wire of two Gent kind intensity, enhance the self-bearing capacity and survivability of optical cable;Due to nonmetallic reinforcement
Part is mouse bite preventing GFRP or FRP, and messenger wire can also prevent mouse from biting, therefore optical cable is provided with good mouse bite preventing and tension
Performance.
The beneficial effects of the utility model are that the utility model is greater than using dual optical communication unit and tensile strength
The high-intensitive messenger wire of 1800MPa, optic communication high reliablity, the tensile strength of optical cable is high, and self-bearing capacity is strong and mouse bite preventing
It can be good.When the utility model requires the high special dimension of rank for safety coefficients such as national treasury, military warehouses, can support
The natural calamities abilities such as imperial earthquake, mud-rock flow, flood are stronger.Self-bearing capacity is ensured, when optical cable is squeezed by earthquake collapse object
When pressure, mud-rock flow flood pull, messenger wire can reduce optic fibre force to greatest extent again, protect optical cable.The utility model is suitable for army
The leading in cable in the special optic communication place such as thing, national treasury.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of self-bearing type protection against rodents leading in cable.
In figure, the fixed pipe of 1--, 2-- non-metal reinforcement member, 3-- pricks yarn layer, 4-- gasket for packing, and 5-- water blocking layer protects outside 6--
Set, 7-- messenger wire
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention will be further described.
The present embodiment is a kind of self-bearing type protection against rodents leading in cable, and optical cable includes 2 optical communication elements.The knot of optical communication element
Structure is the fiber optic bundle of 6 optical fiber of cladding, the identical 2 outer circle phase of circular cross section non-metal reinforcement member of 3 outer diameters in fixed pipe 1
It cuts to form center cavity, fixed pipe 1 is placed in center cavity, and 3 non-metal reinforcement members 2 are twisted through SZ centered on fixed pipe 1
Afterwards with the cladding of yarn layer 3, and filling cable cream in the gap between non-metal reinforcement member 2 is pricked, optical communication element is formed.2 light are logical
Believe that unit is parallel to each other and is coated after S is twisted with water blocking layer 5 with gasket for packing 4, between optical communication element and gasket for packing 4
Cable cream is filled in gap, constitutes the cable core of circular cross section.Cable core is coated by the oversheath 6 of circular cylindrical cross-section, 2 messenger wires 7
At the both ends of the same diameter of 6 outer circle of oversheath, along the axial and parallel to each other of cable core, outside with jacket material sealing-in
On sheath 6.
Non-metal reinforcement member 2 is the cylindrical reinforcer of diameter 8.0mm, and section is that round and surface is round and smooth, integral strength
It is high;The diameter error 0.04mm of non-metal reinforcement member 2, the material of non-metal reinforcement member 2 are that the glass fiber reinforcement of mouse bite preventing is moulded
Expect (GFRP).
It is 250mm that 3 non-metal reinforcement members 2, which are the twisted twisting pitch of center SZ with fixed pipe 1,.
The material for pricking yarn layer 3 is water blocking yarn.
The material of water blocking layer 5 is waterstop.
The twisting pitch that 2 optical communication elements and gasket for packing 4 use S twisted is 300mm.
Oversheath 6 with a thickness of 2mm;The material of oversheath 6 is flame-proof polyethylene (ZRPE).
Messenger wire 7 is the extraordinary intensity phosphating steel wire messenger wire that tensile strength is greater than 1800Mpa.
The utility model is suitable for the leading in cable in the special optic communication places such as military affairs, national treasury.
Claims (5)
1. a kind of self-bearing type protection against rodents leading in cable, which is characterized in that self-bearing type protection against rodents leading in cable includes 2 optical communication elements,
The structure of the optical communication element is that the fiber optic bundle or fibre ribbon of 1~6 optical fiber of cladding, 3 outer diameters are identical in fixed pipe (1)
The tangent formation center cavity of circular cross section non-metal reinforcement member (2) outer circle, fixed pipe (1) is placed in center cavity, and 3 are non-
Metal reinforcement (2) centered on fixed pipe (1) after SZ is twisted with pricking yarn layer (3) cladding, and non-metal reinforcement member (2) it
Between gap in fill cable cream, form optical communication element;2 optical communication elements are parallel to each other and twisted through S with gasket for packing (4)
It is coated afterwards with water blocking layer (5), cable cream is filled in the gap between optical communication element and gasket for packing (4), constitute circular cross section
Cable core;Cable core is coated by the oversheath (6) of circular cylindrical cross-section, and 2 messenger wires (7) are straight in the same of oversheath (6) outer circle
The both ends of diameter, along the axial and parallel to each other of cable core, with jacket material sealing-in on oversheath (6);
The non-metal reinforcement member (2) is the cylindrical reinforcer of 2.0~8.0mm of diameter;The diameter of non-metal reinforcement member (2) misses
Poor allowed band is positive and negative 0.05mm;
It is 65~250mm that 3 non-metal reinforcement members (2), which are the twisted twisting pitch of center SZ with fixed pipe (1),;
The twisting pitch that 2 optical communication elements and gasket for packing (4) use S twisted is 150~300mm;
The thickness of the oversheath (6) is not less than 1.6mm;
The messenger wire (7) is the extraordinary intensity phosphating steel wire messenger wire that tensile strength is greater than 1800Mpa.
2. self-bearing type protection against rodents leading in cable according to claim 1, which is characterized in that the non-metal reinforcement member (2)
Material is the fiberglass reinforced plastics or fibre reinforced plastics of mouse bite preventing.
3. self-bearing type protection against rodents leading in cable according to claim 1, which is characterized in that it is described prick yarn layer (3) material be
Water blocking yarn.
4. self-bearing type protection against rodents leading in cable according to claim 1, which is characterized in that the material of the water blocking layer (5)
For water blocking yarn or waterstop.
5. self-bearing type protection against rodents leading in cable according to claim 1, which is characterized in that the material of the oversheath (6)
For flame-proof polyethylene, medium density polyethylene or Halogen-free flame retardant sheath material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821146720.9U CN208384197U (en) | 2018-07-19 | 2018-07-19 | Self-bearing type protection against rodents leading in cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821146720.9U CN208384197U (en) | 2018-07-19 | 2018-07-19 | Self-bearing type protection against rodents leading in cable |
Publications (1)
Publication Number | Publication Date |
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CN208384197U true CN208384197U (en) | 2019-01-15 |
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ID=64961365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821146720.9U Expired - Fee Related CN208384197U (en) | 2018-07-19 | 2018-07-19 | Self-bearing type protection against rodents leading in cable |
Country Status (1)
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CN (1) | CN208384197U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108627933A (en) * | 2018-07-19 | 2018-10-09 | 北京亨通斯博通讯科技有限公司 | Self-bearing type protection against rodents leading in cable |
-
2018
- 2018-07-19 CN CN201821146720.9U patent/CN208384197U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108627933A (en) * | 2018-07-19 | 2018-10-09 | 北京亨通斯博通讯科技有限公司 | Self-bearing type protection against rodents leading in cable |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210719 |
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CF01 | Termination of patent right due to non-payment of annual fee |