CN119200118A - A cable core back-twisting device and cable core thereof - Google Patents
A cable core back-twisting device and cable core thereof Download PDFInfo
- Publication number
- CN119200118A CN119200118A CN202411633498.5A CN202411633498A CN119200118A CN 119200118 A CN119200118 A CN 119200118A CN 202411633498 A CN202411633498 A CN 202411633498A CN 119200118 A CN119200118 A CN 119200118A
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- cable core
- rotating shaft
- plate body
- frame
- assembly
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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
- G02B6/4439—Auxiliary devices
- G02B6/4471—Terminating devices ; Cable clamps
- G02B6/4478—Bending relief means
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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
- G02B6/443—Protective covering
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to the technical field of optical fibers and discloses a cable core untwisting device and a cable core thereof, wherein a main frame, an untwisting component, a paying-off component and the cable core of the untwisting device are arranged on the untwisting device; the main frame comprises a first plate body and a second plate body, wherein the first plate body and the second plate body extend along a first direction and are arranged at intervals, the second plate body and the first plate body extend along a second direction and are arranged at intervals, a back-torsion space for placing a cable core is formed by interconnection of the first plate body and the second plate body, the back-torsion assembly is arranged in the back-torsion space and comprises a back-torsion frame and a first rotating shaft, the back-torsion frame is arranged in the back-torsion space along the first direction, two ends of the back-torsion frame are respectively connected with the first rotating shafts, one end of each first rotating shaft, which is away from the back-torsion frame, is rotationally connected with the second plate body, the paying-off assembly is arranged in the back-torsion frame, the paying-off assembly comprises a second rotating shaft and a disk tool, the second rotating shaft is arranged in the back-torsion frame along the second direction, the disk tool is sleeved on the periphery of the second rotating shaft, one end of the cable core is wound on the periphery of the disk tool, and the other end of the cable core extends out of the back-torsion space.
Description
Technical Field
The invention relates to the technical field of optical fibers, in particular to a cable core untwisting device and a cable core thereof.
Background
With the continuous development of fiber bragg grating sensor systems, the fiber bragg grating sensor systems are increasingly widely used in large-span cables, intelligent cables and environmental monitoring, and increasingly required, the fiber bragg grating sensor systems comprise a display unit and a cable core, wherein the use performance of the cable core can directly influence the monitoring operation of the fiber bragg grating sensor systems, the use performance of the cable core is monitored particularly, once the cable is damaged, the usability and durability of the structure are reduced, and catastrophic sudden damage accidents and the like of some bearing structures can be caused.
At present, the cable core in the existing fiber bragg grating sensor intelligent monitoring system is grooved on the surface of one or more metal wire units, the fiber bragg grating sensor is stuck in the metal wire unit surface groove of the cable core by using glue, or the fiber bragg grating sensor intelligent monitoring system is wound on the cable core surface, the fiber bragg grating sensor is stuck in the cable by using glue, the used glue is required to be higher, the fiber bragg grating sensor in the cable becomes brittle and hard after the glue is solidified, the fiber bragg grating sensor is easy to brittle and break and cannot play a role in detection when being subjected to external force, the step of sticking the glue cannot be automatically produced at present in the actual production process, manual adhesion is required, the production efficiency is lower, and the method for winding the fiber bragg grating sensor intelligent monitoring system on the cable surface is not suitable for batch production, is easy to suffer from external force extrusion in the cable production stranding and practical application processes, the fiber bragg grating is stressed, the survival rate is lower, and the long-term monitoring cannot be played. Meanwhile, most of the intelligent sensing monitoring unit paying-off devices adopt a cable core winding machine to passively pay off and untwist, and the wire is pulled by the force of the winding machine, so that the speed is uncontrollable. The fiber releasing speed of the back-twist mode is completely dependent on the strength of an operator or a wire winding machine, cannot realize speed control, and is only suitable for scenes with low requirements on speed and precision and simple wire releasing tasks.
Disclosure of Invention
The technical problem to be solved by the invention is that in the prior art, the fiber bragg grating sensor is fixed on the cable core in a bonding and winding mode, the production efficiency is low, the fiber bragg grating sensor is easily affected by external force, and meanwhile, the control of the untwisting speed of the existing cable core untwisting device cannot be realized.
The invention provides a cable core untwisting device which comprises a main frame, untwisting components, paying-off components and a cable core, wherein the main frame comprises a first plate body and a second plate body, the first plate body and the second plate body extend along a first direction and are arranged at intervals, the second plate body extends along a second direction, untwisting spaces for placing the cable core are formed by interconnection of the first plate body and the second plate body, the untwisting components are arranged in the untwisting spaces, the untwisting components comprise untwisting frames and first rotating shafts, the untwisting frames are arranged in the untwisting spaces along the first direction, two ends of the untwisting frames are respectively connected with the first rotating shafts, one end of each first rotating shaft, which is away from the untwisting frames, is connected with the second plate body in a rotating mode, the paying-off components comprise a second rotating shaft and a disc, the second rotating shafts are arranged in the untwisting frames along the second direction, one end of each disc is arranged on the periphery of the second rotating shaft in a surrounding mode, the other end of each cable core penetrates through the second plate body to extend out of the untwisting spaces, the untwisting frames along the first rotating shafts drive the first rotating shafts to rotate the first rotating shafts, and the cable core is driven to rotate along the first rotating shafts along the first direction, and the first rotating shafts rotate along the first rotating shafts, and the first rotating shafts are used for driving the first rotating shafts to rotate shafts along the first rotating shafts along the first direction to eliminate torsion shafts.
In one embodiment, the back-twist assembly further comprises a first motor, the first motor is arranged at one end of the second plate body, which is away from the back-twist space, and a power output end of the first motor penetrates through the second plate body and is connected with the first rotating shaft to drive the first rotating shaft to rotate along the first direction.
In one embodiment, the tray includes support plates respectively disposed at two ends of the tray, and the outer edge diameter of the support plates is larger than the outer edge diameter of the tray.
In one embodiment, the pay-off assembly further comprises a second motor, the second motor is arranged at one end of the support plate, which is away from the disc, and the power output end of the second motor is connected with the disc for driving the disc to rotate along the second direction.
In one embodiment, the second motor is disposed in a control module, and the control module is used for controlling the rotation speed of the disk.
In one embodiment, the main frame further comprises a multi-groove guide wheel set, the multi-groove guide wheel set is arranged on the second plate body, the multi-groove guide wheel set is located at one end of the back-twist space, which is away from the first motor, and one end of the cable core penetrates through the second plate body through the multi-groove guide wheel set.
Based on the cable core untwisting device, the invention also provides a cable core, which comprises a metal hinge wire, an outer sheath, a spiral armor layer and a fiber bragg grating which are sequentially arranged from outside to inside, wherein a plurality of vibration reduction bodies are wound around the fiber bragg grating.
In one embodiment, the material of the outer sheath is an insulating material.
In one embodiment, the number of the metal twisted wires is multiple, the metal twisted wires are arranged around the circumference of the fiber bragg grating, and the metal twisted wires are made of aluminum materials.
Compared with the prior art, the cable core untwisting device and the cable core thereof have the beneficial effects that 1) the untwisting assembly comprises an untwisting frame and a first rotating shaft, the untwisting frame is arranged in the untwisting space along a first direction, two ends of the untwisting frame are respectively connected with the first rotating shaft, and one end of each first rotating shaft, which is away from the untwisting frame, is rotationally connected with the second plate body. The back-twist frame rotates along the first direction, so that the incompleteness of the vertical torsion release of the cable core caused by inconsistent speed generated by manual back-twist is effectively reduced, the fiber grating is influenced by external force, and the service life of the cable core is shortened; 2), the paying-off assembly comprises a second rotating shaft and a coiling tool, the coiling tool rotates along a second direction under the drive of the second rotating shaft so as to drive the cable core to rotate along the same direction, the torsion of the cable core in the horizontal direction is effectively eliminated by the rotating mode, and the technical problems that the cable core is fixed with the fiber grating sensor in a bonding and winding mode in the prior art, the production efficiency is low, the cable core is easily influenced by external force, and meanwhile, the existing cable core untwisting device cannot realize the control of untwisting speed are effectively solved.
Drawings
Fig. 1 is a schematic structural diagram of a cable core untwisting device according to an embodiment of the invention.
Fig. 2 is a schematic structural view of a cable core according to an embodiment of the present invention.
In the figure, 1, a main frame, 11, a first plate body, 12, a second plate body, 13, a multi-groove guide wheel group, 2, a back-twist assembly, 21, a back-twist frame, 22, a first rotating shaft, 23, a first motor, 3, a pay-off assembly, 31, a second rotating shaft, 32, a disk, 33, a supporting plate, 34, a second motor, 4, a cable core, 41, a metal hinge wire, 42, an outer sheath, 43, a spiral armor layer, 44, a fiber bragg grating, 45 and a vibration damper.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "height", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present invention are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used herein for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
As shown in fig. 1, the embodiment of the invention preferably provides a cable core untwisting device, which comprises a main frame 1, an untwisting assembly 2, a paying-off assembly 3 and a cable core 4; the main frame 1 comprises a first plate 11 and a second plate 12, the first plate 11 and the second plate 12 extend along a first direction and are arranged at intervals, the first plate 11 and the second plate 12 are connected with each other to form a back torsion space for placing a cable core 4, the back torsion assembly 2 is arranged in the back torsion space, the back torsion assembly 2 comprises a back torsion frame 21 and a first rotating shaft 22, the back torsion frame 21 is arranged in the back torsion space along the first direction, two ends of the back torsion frame 21 are respectively connected with the first rotating shaft 22, one end of each first rotating shaft 22, which is away from the back torsion frame 21, is in rotary connection with the second plate 12, the pay-off assembly 3 is arranged in the back torsion frame 21, the pay-off assembly 3 comprises a second rotating shaft 31 and a disc 32, the second rotating shaft 31 is arranged in the back torsion frame 21 along the second direction, the disc 32 is sleeved on the periphery of the second rotating shaft 31, one end of the cable core 4 is wound on the periphery of the disc 32, the other end of the cable core 4 penetrates through the second plate 12 to extend out of the back torsion space, wherein the first rotating shaft 22 drives the first rotating shaft 22 to rotate the first rotating shaft 21 along the first rotating shaft 4 to drive the cable 4 along the first direction, and further the first rotating shaft 4 is used for eliminating torsion of the cable 4 along the first rotating direction.
Based on the technical characteristics, the back-twist assembly 2 is arranged, the back-twist assembly 2 comprises a back-twist frame 21 and first rotating shafts 22, the back-twist frame 21 is arranged in a back-twist space along a first direction, two ends of the back-twist frame are respectively connected with the first rotating shafts 22, and one end of each first rotating shaft 22, which is away from the back-twist frame 21, is rotatably connected with the second plate body 12. The back-twist frame 21 rotates along the first direction, so that the defect that the vertical torsion of the cable core 4 is released due to inconsistent speed caused by manual back-twist is effectively reduced, the fiber bragg grating 44 is influenced by external force, the service life of the cable core 4 is reduced, the paying-off assembly 3 comprises a second rotating shaft 31 and a disc 32, the disc 32 rotates along the second direction under the driving of the second rotating shaft 31, and the cable core 4 is driven to rotate along the same direction, and the torsion of the cable core 4 in the horizontal direction is effectively eliminated by the rotating mode.
As some embodiments of the present invention, as shown in fig. 1, the back-twist assembly 2 further includes a first motor 23, where the first motor 23 is disposed at an end of the second plate 12 facing away from the back-twist space, and a power output end of the first motor 23 passes through the second plate 12 and is connected to the first shaft 22 to drive the first shaft 22 to rotate along a first direction. The layout ensures the stable operation of the first motor 23, avoids interference with other components in the back-torque space, and the power output end of the first motor 23 passes through the second plate 12 to be connected with the first rotating shaft 22. This connection ensures that the first motor 23 can directly drive the first shaft 22 to rotate in the first direction.
As some embodiments of the present invention, as shown in fig. 1, the dish 32 includes support plates 33, the support plates 33 are respectively disposed at both ends of the dish 32, and the outer edge diameter of the support plates 33 is larger than the outer edge diameter of the dish 32. By providing the support plate 33, the outer edge diameter of the support plate 33 is larger than the outer edge diameter of the tray 32, and the larger area of the support plate 33 can more effectively disperse the weight of the tray 32 and the articles carried thereby, thereby enhancing the overall stability.
As some embodiments of the present invention, as shown in fig. 1, the pay-off assembly 3 further includes a second motor 34, where the second motor 34 is disposed at an end of the support plate 33 facing away from the disc 32, and a power output end of the second motor 34 is connected to the disc 32 for driving the disc 32 to rotate in a second direction. Through the arrangement of the second motor 34, the second motor 34 is located at one end of the supporting plate 33 away from the disc 32, and the power output end of the second motor 34 is connected with the disc 32 to drive the disc 32 to rotate along the second direction, and the rotation mode effectively eliminates the torsion of the cable core 4 in the horizontal direction and ensures the stability and continuity of the cable core 4 in the paying-off process.
As some embodiments of the present invention, as shown in fig. 1, the second motor 34 is disposed in a control module, and the control module is used to control the rotation speed of the disk 32. Through the setting of control module, the rotational speed of effective control dish utensil 32, and then accurate control unwrapping wire speed, when cable core 4 unwrapping wire tension changed, can adjust in real time, keep tension invariable, ensure that cable core 4 can not appear the condition of stranded wire too tight or too loose.
As some embodiments of the present invention, as shown in fig. 1, the main frame 1 further includes a multi-groove guide wheel set 13, the multi-groove guide wheel set 13 is disposed on the second plate 12, and the multi-groove guide wheel set 13 is located at an end of the untwisting space facing away from the first motor 23, and one end of the cable core 4 passes through the second plate 12 through the multi-groove guide wheel set 13. Through the setting of multislot guide pulley group 13, when this device unwrapping wire speed changed, multislot guide pulley group 13 can play the cushioning effect, prevents that the detection function that the fiber grating 44 sensing unit atress of no surplus length leads to from impaired, can promote the yield of light unit to 98%.
Based on the cable core 4 untwisting device, as shown in fig. 2, the invention also provides a cable core 4, which comprises a metal hinge wire 41, an outer sheath 42, a spiral armor layer 43 and a fiber grating 44 which are sequentially arranged from outside to inside, wherein a plurality of vibration reduction bodies 45 are wound around the circumference of the fiber grating 44. The combination of the metal strands 41, the outer jacket 42 and the spiral armor 43 provides a strong protection and support for the cable core 4 to withstand various harsh environments and mechanical stresses. The fiber bragg grating 44 is introduced to enable the cable core 4 to monitor parameters such as temperature, strain and the like in real time, and important data support is provided for use and maintenance of the cable core 4. The winding of the plurality of vibration reduction bodies 45 effectively improves the vibration resistance of the cable core 4 and protects the integrity and performance of the fiber bragg grating 44.
As shown in fig. 2, the outer sheath 42 is made of an insulating material. The outer sheath 42 is made of insulating material, and is used as a key protection layer, so that the safety and stability of the cable core 4 in the transmission process are effectively ensured.
As some embodiments of the present invention, as shown in fig. 2, the number of metal wires is plural, and the plural metal wires are disposed around the circumference of the fiber bragg grating 44, and the metal wires are made of an aluminum material. A plurality of aluminum twisted wires circumferentially disposed about the fiber grating 44 is an important feature in the design of the cable core 4. This design not only enhances the mechanical strength of the cable core 4, but also improves its overall performance and stability. The metal twisted wire made of the aluminum material has the characteristics of light weight, high strength, good conductivity and corrosion resistance, and further prolongs the service life of the cable core 4.
In summary, the embodiment of the invention provides a cable core untwisting device and a cable core thereof, which have the beneficial effects that compared with the prior art, 1) the untwisting assembly 2 is provided, the untwisting assembly 2 comprises an untwisting frame 21 and first rotating shafts 22, the untwisting frame 21 is arranged in an untwisting space along a first direction, two ends of the untwisting frame 21 are respectively connected with the first rotating shafts 22, and one end of each first rotating shaft 22, which is away from the untwisting frame 21, is rotationally connected with a second plate body 12. The back-twist frame 21 rotates along the first direction, so that the defect that the vertical torsion of the cable core 4 is released due to inconsistent speed caused by manual back-twist is effectively reduced, the fiber bragg grating 44 is influenced by external force, the service life of the cable core 4 is reduced, 2) the paying-off assembly 3 comprises a second rotating shaft 31 and a disc 32, the disc 32 rotates along the second direction under the driving of the second rotating shaft 31, and further the cable core 4 is driven to rotate along the same direction, the torsion of the cable core 4 in the horizontal direction is effectively eliminated by the rotating mode, 3) the cable core 4 is triple-protected by adopting the outer jacket 42, the spiral armor layer 43 and the vibration damper 45 to the fiber bragg grating 44, the brittle failure problem of the fiber bragg grating 44 caused by external force is avoided, the monitoring quality is ensured, and the service life of the fiber bragg grating 44 is ensured. The invention effectively solves the technical problems that the production efficiency is low, the fiber bragg grating 44 sensor is easily affected by external force and the control of the untwisting speed cannot be realized by the existing untwisting device of the cable core 4 in the prior art by fixing the fiber bragg grating 44 sensor by means of bonding and winding.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411633498.5A CN119200118B (en) | 2024-11-15 | 2024-11-15 | A cable core untwisting device and its cable core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411633498.5A CN119200118B (en) | 2024-11-15 | 2024-11-15 | A cable core untwisting device and its cable core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119200118A true CN119200118A (en) | 2024-12-27 |
| CN119200118B CN119200118B (en) | 2026-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411633498.5A Active CN119200118B (en) | 2024-11-15 | 2024-11-15 | A cable core untwisting device and its cable core |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203174424U (en) * | 2013-03-25 | 2013-09-04 | 湖北三江航天江北机械工程有限公司 | Paying off untwisting device for double twisting machine |
| CN205451921U (en) * | 2016-03-25 | 2016-08-10 | 江苏国宁电缆有限公司 | Machine of turning round moves back |
| CN208489046U (en) * | 2018-07-10 | 2019-02-12 | 广东昌宝科技股份有限公司 | The secondary untwisting machine of vertical cable core |
| CN111238710A (en) * | 2020-01-13 | 2020-06-05 | 武汉理工大学 | Bridge cable force state monitoring device and monitoring method based on weak grating array |
| CN210896777U (en) * | 2019-12-15 | 2020-06-30 | 湖南华菱线缆股份有限公司 | Cable manufacture is with moving back and turning round pay-off |
| CN219534157U (en) * | 2022-12-30 | 2023-08-15 | 震雄铜业集团有限公司 | Untwisting paying-off device for stranded copper wire |
-
2024
- 2024-11-15 CN CN202411633498.5A patent/CN119200118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203174424U (en) * | 2013-03-25 | 2013-09-04 | 湖北三江航天江北机械工程有限公司 | Paying off untwisting device for double twisting machine |
| CN205451921U (en) * | 2016-03-25 | 2016-08-10 | 江苏国宁电缆有限公司 | Machine of turning round moves back |
| CN208489046U (en) * | 2018-07-10 | 2019-02-12 | 广东昌宝科技股份有限公司 | The secondary untwisting machine of vertical cable core |
| CN210896777U (en) * | 2019-12-15 | 2020-06-30 | 湖南华菱线缆股份有限公司 | Cable manufacture is with moving back and turning round pay-off |
| CN111238710A (en) * | 2020-01-13 | 2020-06-05 | 武汉理工大学 | Bridge cable force state monitoring device and monitoring method based on weak grating array |
| CN219534157U (en) * | 2022-12-30 | 2023-08-15 | 震雄铜业集团有限公司 | Untwisting paying-off device for stranded copper wire |
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| Publication number | Publication date |
|---|---|
| CN119200118B (en) | 2026-01-30 |
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