CN109305598B - OPLC construction traction device - Google Patents
OPLC construction traction device Download PDFInfo
- Publication number
- CN109305598B CN109305598B CN201810955307.5A CN201810955307A CN109305598B CN 109305598 B CN109305598 B CN 109305598B CN 201810955307 A CN201810955307 A CN 201810955307A CN 109305598 B CN109305598 B CN 109305598B
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- Prior art keywords
- traction
- shaft
- construction
- plate
- sleeved
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000005452 bending Methods 0.000 claims abstract description 20
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 239000013307 optical fiber Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- -1 polypropylene Polymers 0.000 abstract description 2
- 239000004743 Polypropylene Substances 0.000 abstract 1
- 229920001155 polypropylene Polymers 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
-
- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/32—Optical fibres or optical cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Abstract
The invention discloses a construction traction technology and a construction traction device for OPLC (open polypropylene composite) capable of bending over and back twisting, which comprises a traction shaft, a traction head, a cover plate, a ball shaft, a connecting shaft, a screw, a bottom plate, a limiting plate, a connecting plate, a sealing cover, a net sleeve and a binding piece. The traction shaft is fixed on the traction head to realize traction force transmission; the cover plate penetrates through the tail part of the traction head and screws the ball shaft into the traction head, the cover plate penetrates through a stud at the tail part of the next connecting shaft to be fixed and screws the ball shaft into the connecting shaft, and in the same way, the end is sealed to protect the cable core from being affected with damp; the net sleeve rope buckles are sleeved on the corresponding latch of the connecting plate, and the limiting plate is fixed to the connecting plate; the sealing covers A and C are respectively sleeved on the optical cable core and the cable core corresponding to the OPLC, and the sealing covers B are sleeved outside the optical cable core and the cable core; the net sleeve is sleeved on the OPLC, and the net sleeve is fastened and fixed by using a binding piece so as to achieve the tensile load required by traction. The over-bending capability and the twisting and withdrawing requirements of the movable joint are ensured.
Description
Technical Field
The invention relates to a distribution cable laying and traction technology in the construction process of an electric power system, in particular to a construction traction device with OPLC capable of bending and twisting back.
Background
An optical fiber composite low-voltage cable (OPLC) is one of important cable products in the construction of a smart power grid, and is a multi-network fusion smart cable product with the highest cost performance at present. With the implementation of urban network and rural network transformation, the photoelectric composite cable line is used as a main body for optical communication and network power supply transmission, and the laying amount of the line is more and more; particularly, along with the continuous deepening of city transformation and construction, the proportion of the photoelectric composite cable in the city optical fiber network is larger and larger, and the construction workload of the photoelectric composite cable is increased day by day.
At present, cable construction of cable fiber-to-the-home engineering mainly depends on manual traction and carrying, and not only is the efficiency low, but also certain potential safety hazards exist. In addition, because the OPLC cable does not have a special traction construction tool, the optical unit body is fragile, the number of the electric units is large, and if the OPLC cable is improperly protected, the problems that the protective sleeve is damaged, the optical unit and the electric unit are wetted when water enters, even the cable is broken and the like are easily caused, so that property loss is caused. Therefore, the control of the construction traction of the photoelectric composite cable is an urgent problem to be solved. Therefore, the development of the construction traction device with the OPLC capable of bending over and untwisting has important practical significance.
Disclosure of Invention
In view of the above, the present invention provides a device for drawing a distribution cable to a specified position and realizing cable bending and untwisting in a distribution cable OPLC construction and laying process of an electric power system. The device not only can protect the cable core from being invaded by water and moisture, but also can ensure the cable bending capability and the requirements of twisting and withdrawing, and ensure the safe application of the electric power fiber-to-the-home system.
Based on the above purpose, the invention provides the following technical scheme:
the utility model provides a compound low tension cable of optic fibre construction draw gear, contains draw gear, crooked back-twisting device and net cover fixing device, its characterized in that, draw gear is including drawing axle (1) and drawing head (2), crooked back-twisting device includes that one or more crooked joints are established ties and are overlapped, net cover fixing device includes limiting plate (9), connecting plate (10), net cover (15), strapped member (16). The traction device for the optical fiber composite low-voltage cable construction is characterized by further comprising a sealing protection device, a cable fixing device or a bundling device. The sealing protection device comprises sealing covers A (12), B (13) and C (13), and the sealing covers are of a retractable cap-shaped structure. The traction shaft (1) is fixed on the traction head (2) through threads. The bending joint comprises a cover plate (3), a ball shaft (4) and a connecting shaft (5). The ball shaft (4) is of a ball body structure with two flattened ends and internal threads, the ball shaft (4) is arranged at the rear, and no convex structure exists in the turning process. The cover plate (3) is sleeved on a stud at the tail part of the traction head (2), the ball shaft (4) is screwed into the traction head (2), a front chamfer outside the cover plate (3) is sleeved on the stud at the tail part of the connecting shaft (5), and the ball shaft (4) is screwed into the hollow part of the front spherical surface inside the connecting shaft (5). The limiting plate (9) is fixed on the connecting plate (10), the rope corresponding to the net sleeve (15) is buckled on the corresponding latch of the connecting plate (10), and the tying piece (16) is sleeved on the net sleeve (15) in a sleeved mode to tighten the net sleeve (15). The sealing covers A (12) and C (14) are respectively sleeved on the corresponding optical cables and the corresponding electric cables, and the sealing cover B (13) is sleeved outside the sealing covers A (12) and C (14). The net cover (15) is of a net-shaped woven structure and is adaptive to different cable diameters through net cover assemblies with different specifications.
From the above, compared with the prior art, the construction traction device with the OPLC capable of bending and untwisting provided by the invention has the following beneficial effects:
the cable core is protected from water and moisture by end sealing; through the omnibearing rotation of the ball shaft, the torsion generated by the cable in the traction process is released, and the cable is prevented from deforming and damaging; the steering of the ball shaft within a specified angle realizes the cable bending capacity and the cable back-twisting requirement; through the modularized design of the ball shafts, a plurality of groups of the ball shafts can be overlapped according to the condition of a construction site, so that better bending passing capability is achieved; through the rear design of the ball shaft, no convex structure exists at the joint in the turning process, various complex routes can be passed, the rear end structure is protected, and the service life is prolonged; through module design, the structure of the bending joint can be superposed in series for many times, so that longer bending traction and protection are realized; different cable diameters are adapted through the net sleeve assemblies with different specifications.
Drawings
Fig. 1 is a schematic structural diagram of an OPLC construction traction apparatus according to the present invention.
Reference numbers in the figures: 1. a traction shaft; 2. a traction head; 3. a cover plate; 4. a ball shaft; 5. a connecting shaft; 6. a screw A; 7. a screw B; 8. a base plate; 9. a limiting plate; 10. a connecting plate; 11. a screw C; 12. a sealing cover A; 13. a sealing cover B; 14. a sealing cover C; 15. a net cover; 16. and (4) a binding piece.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the utility model provides an OPLC construction draw gear, includes pulls axle (1), pulls head (2), apron (3), ball axle (4), connecting axle (5), screw A (6), screw B (7), bottom plate (8), limiting plate (9), connecting plate (10), screw C (11), sealed lid A (12), sealed lid B (13), sealed lid C (14), net cover (15), strapping (16).
The traction shaft (1) is fixed on the traction head (2) through threads, the cover plate (3) is sleeved on a stud at the tail part of the traction head (2), the ball shaft (4) is screwed into the traction head, the cover plate (3) is sleeved on the stud at the tail part of the connecting shaft (5), the ball shaft (4) is screwed into the connecting shaft (5), the next connecting shaft (5) is connected with the cover plate (3) in the same way, and the like is performed, so that a bending joint is formed. After the length installation is finished, the cover plate (3) is sleeved on the bottom plate (8) at the tail part of the last section of bending joint, a connecting plate (10) is arranged below the bottom plate (8), the limiting plate (9) is fixed to the connecting plate (10), the net cover (15) penetrates into the connecting plate (10), the rope buckle corresponding to the net cover (15) is sleeved on the clamping teeth corresponding to the connecting plate (10), the sealing cover A (12), the sealing cover C (14) is sleeved on the light and cable core corresponding to the OPLC, the sealing cover B (13) covers the sealing cover A (12), the sealing cover C (14) is external, the net cover (15) is sleeved on the OPLC, the sealing cover B (13) is pushed to the innermost part of the net cover (15), and the ring cover (15) is tightened on the net cover (15) by the bundling piece (16).
The bending joints comprise cover plates (3), connecting shafts (5), ball shafts (4), screws A (6) and screws B (7), and the number of the bending joints is increased through multiple series superposition.
In order to strengthen the stable connection of the ball shaft (4) with the traction head (2) and the connecting shaft (5), in the embodiment, the fixing and the anti-loosening are preferably carried out through a screw B (7).
In order to strengthen the stable connection between the cover plate (3) and the connecting shaft (5) and the bottom plate (8), in the embodiment, the fixing and the looseness prevention are preferably carried out through a screw A (6).
In order to enhance the connection stability of the limiting plate 9 and the connecting plate 10, in the present embodiment, it is preferable that the fixing is performed by a screw C (11).
The tail part of the sealing cover B (13) is required to be wrapped on an outer sheath of the OPLC and contracted, so that the outer sheath of the OPLC, the sealing cover A (12) and the sealing cover C (14) are further protected.
The tail part of the sealing cover B (13) is required to be wrapped on the OPLC outer sheath, so that the OPLC outer sheath, the sealing cover A (12) and the sealing cover C (14) are further protected.
The outer sheath is made of polyethylene or polyvinyl chloride materials which are wrapped on the outermost layer of the cable and have the functions of protection and insulation.
The traction shaft (1) is a cylinder, and the outer circle of one side of the traction shaft is provided with a thread;
the traction head (2) is a cone, a gap is reserved at the end head for placing a steel wire rope buckle, and a stud structure is arranged at the tail part;
the cover plate (3) is of a circular ring structure, the front side of the outer part of the cover plate is provided with a large chamfer, and the rear side of the inner part of the cover plate is hollow in a partial spherical surface;
the ball shaft (4) is of a spherical structure, two ends of the ball shaft are flattened, and an internal thread is arranged in the middle of the ball shaft;
the connecting shaft (5) is of a cup-shaped structure, the front side of the inside of the connecting shaft is a hollow part of spherical surface, and the tail part of the connecting shaft is provided with a stud structure;
the screw A (6) is a common fastener;
the screw B (7) is of a stud structure;
the bottom plate (8) is of a cake-shaped structure, and the front side of the interior of the bottom plate is partially spherical and hollow;
the limiting plate (9) is of a cake-shaped structure;
the connecting plate (10) is of a circular ring structure, and clamping teeth are arranged inside the connecting plate;
the screw C (11) is a common fastener;
the sealing cover A (12), the sealing cover B (13) and the sealing cover C (14) are in cap-shaped structures and can be retracted;
the net sleeve (15) is of a net-shaped woven structure;
the strapping (16) is of a ring configuration, the diameter of which can be varied.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to that embodiment; the embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The traction device for the construction of the optical fiber composite low-voltage cable comprises a traction device, a bending and twisting device and a net sleeve fixing device, and is characterized in that the traction device comprises a traction shaft (1) and a traction head (2), the bending and twisting device comprises one or more bending joints which are serially connected and superposed, and the net sleeve fixing device comprises a limiting plate (9), a connecting plate (10), a net sleeve (15) and a binding piece (16);
the bending joint comprises a cover plate (3), a ball shaft (4) and a connecting shaft (5);
the ball shaft (4) is of a ball structure with two flattened ends and an internal thread, the ball shaft (4) is arranged at the rear, and no convex structure exists in the turning process;
the cover plate (3) is sleeved on a stud at the tail part of the traction head (2), the ball shaft (4) is screwed into the traction head (2), a front chamfer outside the cover plate (3) is sleeved on the stud at the tail part of the connecting shaft (5), and the ball shaft (4) is screwed into the hollow part of the front spherical surface inside the connecting shaft (5).
2. The traction device for construction of the optical fiber composite low-voltage cable as claimed in claim 1, further comprising a sealing protection device, a cable fixing device or a bundling device.
3. The traction device for optical fiber composite low-voltage cable construction as claimed in claim 2, wherein the sealing protection device comprises sealing covers A (12), B (13) and C (13), and the sealing covers are of a retractable cap-shaped structure.
4. The traction device for optical fiber composite low-voltage cable construction as claimed in claim 1, wherein the traction shaft (1) is fixed on the traction head (2) through threads.
5. The traction device for construction of optical fiber composite low-voltage cables as claimed in claim 1, wherein the limiting plate (9) is fixed on the connecting plate (10), the corresponding rope of the net sleeve (15) is buckled on the corresponding latch of the connecting plate (10), and the tying member (16) is looped on the net sleeve (15) to tighten the net sleeve (15).
6. The traction device for optical fiber composite low-voltage cable construction as claimed in claim 3, wherein the sealing covers A (12) and C (14) are respectively sleeved on the corresponding optical and electric cables, and the sealing cover B (13) is sleeved outside the sealing covers A (12) and C (14).
7. The traction device for construction of optical fiber composite low-voltage cable as claimed in claim 1, wherein the net cover (15) is of a net-shaped woven structure, and different cable diameters are adapted through net cover assemblies with different specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955307.5A CN109305598B (en) | 2018-08-21 | 2018-08-21 | OPLC construction traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955307.5A CN109305598B (en) | 2018-08-21 | 2018-08-21 | OPLC construction traction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109305598A CN109305598A (en) | 2019-02-05 |
| CN109305598B true CN109305598B (en) | 2020-09-25 |
Family
ID=65223780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810955307.5A Active CN109305598B (en) | 2018-08-21 | 2018-08-21 | OPLC construction traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109305598B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769073A (en) * | 2021-01-04 | 2021-05-07 | 国网山东省电力公司滨州供电公司 | Cable traction sleeve with steel protective cap |
| CN115236806B (en) * | 2022-07-14 | 2024-04-05 | 中油奥博(成都)科技有限公司 | Optical cable connector capable of adjusting maximum bending angle and installation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05219618A (en) * | 1992-02-03 | 1993-08-27 | Sanwa Tekki Corp | Wire end gripper |
| JP2013183479A (en) * | 2012-02-29 | 2013-09-12 | Sumitomo Electric Ind Ltd | Cable traction tool |
| CN103354336A (en) * | 2013-06-09 | 2013-10-16 | 宁波球冠电缆股份有限公司 | Enhanced cable traction head |
| CN205335756U (en) * | 2015-12-18 | 2016-06-22 | 国家电网公司 | Cable grip connector |
| CN106159811A (en) * | 2016-08-29 | 2016-11-23 | 中天海洋系统有限公司 | A kind of joint type sea cable traction anchoring integrated device of pre-assembled formula |
| CN106505482A (en) * | 2016-11-30 | 2017-03-15 | 山东电力建设第工程公司 | Big specification cable underground buried tube long range laying method |
| CN107294043A (en) * | 2017-06-26 | 2017-10-24 | 江苏亨通高压海缆有限公司 | Flexible protection device of submarine cable for offshore wind power |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9494745B2 (en) * | 2015-01-16 | 2016-11-15 | Senko Advanced Components, Inc. | Sealable communication cable connection assemblies |
-
2018
- 2018-08-21 CN CN201810955307.5A patent/CN109305598B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05219618A (en) * | 1992-02-03 | 1993-08-27 | Sanwa Tekki Corp | Wire end gripper |
| JP2013183479A (en) * | 2012-02-29 | 2013-09-12 | Sumitomo Electric Ind Ltd | Cable traction tool |
| CN103354336A (en) * | 2013-06-09 | 2013-10-16 | 宁波球冠电缆股份有限公司 | Enhanced cable traction head |
| CN205335756U (en) * | 2015-12-18 | 2016-06-22 | 国家电网公司 | Cable grip connector |
| CN106159811A (en) * | 2016-08-29 | 2016-11-23 | 中天海洋系统有限公司 | A kind of joint type sea cable traction anchoring integrated device of pre-assembled formula |
| CN106505482A (en) * | 2016-11-30 | 2017-03-15 | 山东电力建设第工程公司 | Big specification cable underground buried tube long range laying method |
| CN107294043A (en) * | 2017-06-26 | 2017-10-24 | 江苏亨通高压海缆有限公司 | Flexible protection device of submarine cable for offshore wind power |
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| CN109305598A (en) | 2019-02-05 |
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