CN112433315A - Can prevent optical cable of snow - Google Patents
Can prevent optical cable of snow Download PDFInfo
- Publication number
- CN112433315A CN112433315A CN202011380855.3A CN202011380855A CN112433315A CN 112433315 A CN112433315 A CN 112433315A CN 202011380855 A CN202011380855 A CN 202011380855A CN 112433315 A CN112433315 A CN 112433315A
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- China
- Prior art keywords
- optical cable
- snow
- fastener
- cable body
- arcwall face
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The application discloses can prevent optical cable of snow, including optical cable body and the snow spare of preventing of overcoat on the optical cable body, prevent that snow spare includes last fastener and lower fastener of mutual lock, it can form the round hole with fastener lock back down to go up the fastener, prevent through the round hole that snow spare can rotate around the optical cable body, the upper surface of going up the fastener has two first arcwall faces and the second arcwall face that are connected, first arcwall face and second arcwall face are located the both sides of fastener respectively, and the area of second arcwall face is 1.5 ~ 4 times of first arcwall face, one side that the second arcwall face was kept away from to lower fastener is inlayed and is equipped with the counter weight strip, make through the counter weight strip and prevent that snow spare installs behind the optical cable body, under the effect of self gravity, the boundary line of first arcwall face and second arcwall face is directly over the central line of optical cable body. The utility model provides an prevent snow spare can rotate relative optical cable body, makes most snow or even whole snow on first arcwall face and the second arcwall face drop to effectively protect the optical cable body.
Description
Technical Field
The invention relates to the field of optical cables, in particular to an optical cable capable of preventing snow.
Background
With the continuous change of climate and the continuous destruction of environment, extremely severe weather is more and more common. In winter, a large amount of snow tends to fall in cold areas, which causes a large amount of snow to be accumulated on the aerial optical cable, and finally the weight of the snow greatly exceeds the weight of the optical cable, so that the snow is broken.
In the prior art, in order to improve the snow problem, the outer sheath of the optical cable is designed into a triangular structure. However, this structure not only greatly increases the size of the outer sheath, resulting in high cost and heavy weight of the cable, but also has a problem of snow accumulation when snow is heavy, and this structure cannot actively remove the snow accumulation.
Disclosure of Invention
The present invention has been made to solve the above problems and to overcome at least one of the disadvantages, and an optical cable capable of preventing snow accumulation is provided.
The technical scheme adopted by the invention is as follows:
the utility model provides an optical cable that can prevent snow, includes optical cable body and overcoat snow prevention spare on the optical cable body, prevent that the snow spare includes last fastener and lower fastener of mutual lock, goes up the fastener and can form the round hole down behind the fastener lock, through the round hole prevents that the snow spare can rotate around the optical cable body, the upper surface of going up the fastener has two first arcwall faces and the second arcwall face that are connected, first arcwall face with the second arcwall face is located the both sides of fastener respectively, and the area of second arcwall face is 1.5 ~ 4 times of first arcwall face, one side that the second arcwall face was kept away from to the fastener is inlayed and is equipped with the counter weight strip down, through the counter weight strip makes snow prevention spare install behind the optical cable body, under the effect of self gravity, the boundary line of first arcwall face and second arcwall face is directly over the optical cable body central line.
The working principle of the application is as follows: the snow is difficult for to the structure of first arcwall face and second arcwall face, when snow is great produces snow, because the area of second arcwall face is big than the area of first arcwall face, and the snow volume is bigger promptly to lead to the focus of whole snow-proof spare to produce the skew, the snow-proof spare can rotate relative to the optical cable body, makes most snow on first arcwall face and the second arcwall face or even whole snow drop, thereby effectively protects the optical cable body.
Last fastener and lower fastener of mutual lock are easy to assemble, during actual operation, can prevent snow spare before the optical cable body is laid or lay the back installation.
In one embodiment of the present invention, the upper fastening member and the lower fastening member are made of foam.
The adoption of the foaming material can effectively reduce the quality of the snow-accumulation-preventing part.
In one embodiment of the present invention, the upper and lower fastening members have a cavity therein.
The cavity is arranged, so that the mass can be further reduced, and the burden of the optical cable body is reduced.
In one embodiment of the present invention, the lower surface of the upper fastener has an anti-slip pillar, the end of the anti-slip pillar has a radius or a chamfer, and the upper surface of the lower fastener has an anti-slip groove matched with the anti-slip pillar.
In one embodiment of the invention, the outer side wall of the optical cable body is provided with annular grooves at intervals, the snow accumulation preventing members are divided into two groups, one group is a movable group, the other group is a positioning group, and the circular hole side wall of the snow accumulation preventing member of the positioning group is provided with a convex ring which is used for extending into the corresponding annular groove, so that the snow accumulation preventing member and the optical cable body are relatively fixed in the axial direction.
Through the cooperation of bulge loop and annular groove, can play location, spacing effect. During the actual application, can have the snow protection spare of bulge loop at the both ends installation of one section optical cable body, the middle snow protection spare that does not have the bulge loop of installation can make the snow protection spare of a whole section can not scurry on the optical cable body of other sections like this.
In an embodiment of the present invention, the first fastener and the second fastener are mounted on the optical cable body by a mounting tool, and the mounting tool includes:
a frame;
one end of the fixed seat is fixed with the rack, and a positioning groove for the lower fastener to be installed is formed in the fixed seat;
the movable pressing block is arranged on the rack in a vertically sliding mode and located above the fixing base, and the movable pressing block is used for pressing the upper fastener, so that the upper fastener and the lower fastener are fastened and fixed mutually.
In one embodiment of the present invention, the left and right sides of the lower fastening member have first vertical planes, and the positioning slot has a matching sidewall matching with the corresponding first vertical plane; the movable pressing block is provided with an arc-shaped pressing surface matched with the upper fastener.
Through the cooperation of first vertical plane and cooperation lateral wall, can realize the quick location to lower fastener.
During the in-service use, one side of going up the fastener has the vertical plane of second, through the cooperation of the vertical plane of second and frame, can realize going up the quick counterpoint of fastener.
In one embodiment of the invention, the mounting tool further comprises a return spring, and the return spring is used for being matched with the movable pressing block, so that the movable pressing block can be returned to one side far away from the fixed seat when the movable pressing block is not subjected to external force.
In one embodiment of the present invention, the installation tool further includes an electric lifting element, and the electric lifting element is used for controlling the movable pressing block to slide up and down.
In one embodiment of the present invention, the electric lifting element is a linear motor or a ball screw pair mechanism.
The invention has the beneficial effects that: the snow is difficult for to the structure of first arcwall face and second arcwall face, when snow is great produces snow, because the area of second arcwall face is big than the area of first arcwall face, and the snow volume is bigger promptly to lead to the focus of whole snow-proof spare to produce the skew, the snow-proof spare can rotate relative to the optical cable body, makes most snow on first arcwall face and the second arcwall face or even whole snow drop, thereby effectively protects the optical cable body.
Description of the drawings:
FIG. 1 is a schematic view showing the structure of the snow-protected optical cable according to example 1;
FIG. 2 is a schematic view of a snow guard;
FIG. 3 is a schematic view of a lower fastener;
FIG. 4 is a schematic view of an upper fastener;
FIG. 5 is an exploded view of the optical cable capable of preventing snow according to example 2;
FIG. 6 is a schematic structural view of the installation tool;
fig. 7 is a schematic view of the mounting tool in cooperation with the snow guard.
The figures are numbered:
1. an optical cable body; 2. snow accumulation preventing parts; 3. an upper fastener; 4. a lower fastener; 5. a circular hole; 6. a first arc-shaped surface; 7. a second arcuate surface; 8. a weight strip; 9. a boundary line; 10. an anti-drop column; 11. a drop-proof groove; 12. an annular groove; 13. a convex ring; 14. installing a tool; 15. a frame; 16. a fixed seat; 17. positioning a groove; 18. a movable pressing block; 19. a first vertical plane; 20. a mating sidewall; 21. pressing the surface in an arc shape; 22. a second vertical plane.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2, 3 and 4, an optical cable capable of preventing snow comprises an optical cable body 1 and a snow-proof member 2 covering the optical cable body 1, wherein the snow-proof member 2 comprises an upper fastening member 3 and a lower fastening member 4 which are fastened with each other, a round hole 5 can be formed after the upper fastening member 3 and the lower fastening member 4 are fastened, the snow-accumulation-preventing part 2 can rotate around the optical cable body 1 through the round hole 5, the upper surface of the upper fastener 3 is provided with a first arc-shaped surface 6 and a second arc-shaped surface 7 which are connected, the first arc-shaped surface 6 and the second arc-shaped surface 7 are respectively positioned at two sides of the upper fastener 3, the area of the second arc-shaped surface 7 is 1.5-4 times of that of the first arc-shaped surface 6, a counterweight strip 8 is embedded on one side of the lower fastener 4 far away from the second arc-shaped surface 7, the snow accumulation preventing part 2 is arranged behind the optical cable body 1 through the counterweight strip 8, under the action of self gravity, the boundary line 9 of the first arc-shaped surface 6 and the second arc-shaped surface 7 is right above the central line of the optical cable body 1.
The working principle of the application is as follows: the difficult snow of structure of first arcwall face 6 and second arcwall face 7, when snow great production snow, because the area of second arcwall face 7 is big than the area of first arcwall face 6, the snowaccumulation volume is bigger promptly, thereby lead to whole gravity center production skew of preventing snow spare 2, prevent that snow spare 2 can rotate relative to optical cable body 1, make most snow on first arcwall face 6 and the second arcwall face 7 drop whole snow even, thereby effectively protect optical cable body 1.
In this embodiment, the upper and lower fastening members 3 and 4 are made of foam. Adopt the foaming material can effectively reduce the quality of preventing snow spare 2.
In actual use, the upper fastener 3 and the lower fastener 4 have cavities inside. The arrangement of the cavity can further reduce the mass and reduce the burden of the optical cable body 1.
As shown in fig. 3 and 4, in the present embodiment, the lower surface of the upper fastening member 3 has an anti-slip pillar 10, the end of the anti-slip pillar 10 has a round or chamfer, and the upper surface of the lower fastening member 4 has an anti-slip groove 11 matched with the anti-slip pillar 10.
Example 2
As shown in fig. 5, the difference between this embodiment and embodiment 1 is that annular grooves 12 are formed at intervals on the outer side wall of the optical cable body 1, the snow accumulation preventing members 2 are divided into two groups, one group is a movable group, the other group is a positioning group, a protruding ring 13 is arranged on the side wall of the circular hole 5 of the snow accumulation preventing member 2 of the positioning group, and the protruding ring 13 is used for extending into the corresponding annular groove 12, so that the snow accumulation preventing member 2 and the optical cable body 1 are relatively fixed in the axial direction.
The convex ring 13 and the annular groove 12 are matched to play a role in positioning and limiting. During practical use, the snow-proof parts 2 with the convex rings 13 can be arranged at two ends of one section of the optical cable body 1, and the snow-proof parts 2 without the convex rings 13 are arranged in the middle of the optical cable body, so that the whole section of the snow-proof parts 2 can not be crossed to the optical cable bodies 1 of other sections.
Example 3
As shown in fig. 6 and 7, the present embodiment discloses an installation tool 14 used in embodiments 1 and 2, wherein a first fastener and a second fastener are installed on a cable body 1 by the installation tool 14, and the installation tool 14 includes:
a frame 15;
one end of the fixed seat 16 is fixed with the frame 15, and the fixed seat 16 is provided with a positioning groove 17 for the lower fastener 4 to be installed;
the movable pressing block 18 is arranged on the frame 15 in a vertically sliding mode and located above the fixing seat 16, and the movable pressing block 18 is used for pressing the upper fastener 3 to enable the upper fastener 3 and the lower fastener 4 to be fastened and fixed with each other.
As shown in fig. 6, in the present embodiment, the lower fastening member 4 has first vertical planes 19 on both left and right sides, and the positioning slot 17 has a matching sidewall 20 matching with the corresponding first vertical plane 19; the movable pressing block 18 has an arc-shaped pressing surface 21 which is matched with the upper fastener 3.
By the cooperation of the first vertical plane 19 and the mating side wall 20, a quick positioning of the lower fastening 4 can be achieved.
During the actual use, go up fastener 3's one side and have second vertical plane 22, through the cooperation of second vertical plane 22 with frame 15, can realize going up fastener 3's quick counterpoint.
In practical use, the installation tool 14 may further include a return spring, and the return spring is configured to cooperate with the movable pressing block 18, so that the movable pressing block 18 can be returned to a side away from the fixed seat 16 when no external force is applied.
In practice, the installation tool 14 may further include a motorized lift element for controlling the up-and-down sliding of the movable press block 18. The electric lifting element is a linear motor or a ball screw pair mechanism.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (10)
1. An optical cable capable of preventing snow from being accumulated is characterized by comprising an optical cable body and a snow preventing piece sleeved on the optical cable body, the snow accumulation preventing part comprises an upper fastener and a lower fastener which are mutually buckled, a round hole can be formed after the upper fastener and the lower fastener are buckled, the circular hole snow accumulation preventing part can rotate around the optical cable body, the upper surface of the upper fastener is provided with a first arc-shaped surface and a second arc-shaped surface which are connected, the first arc-shaped surface and the second arc-shaped surface are respectively positioned at two sides of the upper fastener, the area of the second arc-shaped surface is 1.5-4 times of that of the first arc-shaped surface, a counterweight strip is embedded on one side of the lower fastener far away from the second arc-shaped surface, the snow accumulation preventing part is arranged behind the optical cable body through the counterweight strip, under the effect of self gravity, the boundary line of the first arc-shaped surface and the second arc-shaped surface is right above the central line of the optical cable body.
2. The optical cable capable of preventing snow as claimed in claim 1, wherein the upper and lower seizing means are made of foamed material.
3. The optical cable capable of preventing snow cover according to claim 2, wherein the upper and lower seizing means have a cavity therein.
4. The optical cable capable of preventing snow cover according to claim 1, wherein the lower surface of the upper fastener has an anti-slip post, an end of the anti-slip post has a radius or a chamfer, and the upper surface of the lower fastener has an anti-slip groove engaged with the anti-slip post.
5. The optical cable capable of preventing snow cover according to claim 1, wherein the outer sidewall of the optical cable body is provided with annular grooves at intervals, the snow-proof member is divided into two groups, one group is a movable group, the other group is a positioning group, and the circular hole sidewall of the snow-proof member of the positioning group is provided with a convex ring for extending into the corresponding annular groove to relatively fix the snow-proof member and the optical cable body in the axial direction.
6. The optical cable capable of preventing snow cover according to claim 1, wherein the first fastener and the second fastener are mounted on the optical cable body by a mounting tool, the mounting tool comprising:
a frame;
one end of the fixed seat is fixed with the rack, and a positioning groove for the lower fastener to be installed is formed in the fixed seat;
the movable pressing block is arranged on the rack in a vertically sliding mode and located above the fixing base, and the movable pressing block is used for pressing the upper fastener, so that the upper fastener and the lower fastener are fastened and fixed mutually.
7. The snow-protected optical cable according to claim 6, wherein the lower fastener has first vertical planes on both left and right sides thereof, and the positioning groove has a fitting sidewall to be fitted with the corresponding first vertical plane; the movable pressing block is provided with an arc-shaped pressing surface matched with the upper fastener.
8. The snow-covered optical cable according to claim 7, wherein the mounting tool further comprises a return spring for cooperating with the movable pressing piece so that the movable pressing piece can be returned to a side away from the fixed base when the movable pressing piece is not subjected to an external force.
9. The snow-covered optical cable according to claim 7, wherein the mounting tool further comprises a motorized elevating member for controlling the movable pressing piece to slide up and down.
10. The optical cable capable of preventing snow cover according to claim 9, wherein the electric lifting member is a linear motor or a ball screw pair mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380855.3A CN112433315B (en) | 2020-11-30 | 2020-11-30 | Optical cable capable of preventing snow accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380855.3A CN112433315B (en) | 2020-11-30 | 2020-11-30 | Optical cable capable of preventing snow accumulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112433315A true CN112433315A (en) | 2021-03-02 |
| CN112433315B CN112433315B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011380855.3A Active CN112433315B (en) | 2020-11-30 | 2020-11-30 | Optical cable capable of preventing snow accumulation |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201263075Y (en) * | 2008-10-07 | 2009-06-24 | 浙江汉通电缆有限公司 | Cable hasp for snow resistance |
| JP2009165233A (en) * | 2007-12-28 | 2009-07-23 | Nippon Telegraph & Telephone East Corp | Snow accretion resistant cover |
| JP2011109796A (en) * | 2009-11-17 | 2011-06-02 | Viscas Corp | Snow accumulation prevention device of aerial cable |
| CN106159864A (en) * | 2016-08-29 | 2016-11-23 | 国网山东省电力公司商河县供电公司 | Rotary type electric wire snow protection device |
| CN106324782A (en) * | 2016-11-22 | 2017-01-11 | 广东亨通光电科技有限公司 | Ice-snow resisting aerial optical cable |
| US20190345719A1 (en) * | 2018-05-08 | 2019-11-14 | Gregory A. Header | Heated Snow Guard |
| CN111244865A (en) * | 2020-03-17 | 2020-06-05 | 郑州铁路职业技术学院 | Cable ice and snow protection device |
-
2020
- 2020-11-30 CN CN202011380855.3A patent/CN112433315B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009165233A (en) * | 2007-12-28 | 2009-07-23 | Nippon Telegraph & Telephone East Corp | Snow accretion resistant cover |
| CN201263075Y (en) * | 2008-10-07 | 2009-06-24 | 浙江汉通电缆有限公司 | Cable hasp for snow resistance |
| JP2011109796A (en) * | 2009-11-17 | 2011-06-02 | Viscas Corp | Snow accumulation prevention device of aerial cable |
| CN106159864A (en) * | 2016-08-29 | 2016-11-23 | 国网山东省电力公司商河县供电公司 | Rotary type electric wire snow protection device |
| CN106324782A (en) * | 2016-11-22 | 2017-01-11 | 广东亨通光电科技有限公司 | Ice-snow resisting aerial optical cable |
| US20190345719A1 (en) * | 2018-05-08 | 2019-11-14 | Gregory A. Header | Heated Snow Guard |
| CN111244865A (en) * | 2020-03-17 | 2020-06-05 | 郑州铁路职业技术学院 | Cable ice and snow protection device |
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| Publication number | Publication date |
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| CN112433315B (en) | 2023-06-02 |
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