CN113126225B - Optical cable torsion correcting device - Google Patents
Optical cable torsion correcting device Download PDFInfo
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- CN113126225B CN113126225B CN202110398426.7A CN202110398426A CN113126225B CN 113126225 B CN113126225 B CN 113126225B CN 202110398426 A CN202110398426 A CN 202110398426A CN 113126225 B CN113126225 B CN 113126225B
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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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
Abstract
The invention relates to an optical cable torsion correcting device, which comprises a releasing component, a torsion component and a torsion detecting component, wherein the torsion detecting component is provided with a means for detecting the torsion angle of an optical cable; the releasing assembly is hinged to the twisting assembly and used for fixing the optical cable disc wound with the optical cable; and the torsion assembly is hinged on the rack, is parallel to or coincided with the hinged axis of the rack and the axis of the optical cable, has rotary power and synchronously rotates according to the torsion angle. The invention can prevent the optical cable from being distorted due to the overlarge torsion angle of the optical cable; the gravity center of the optical cable disc can vertically penetrate through the axis line of the torsion driving shaft, so that the torque generated by the gravity of the optical cable disc to the torsion driving shaft is smaller in the rotation process of the torsion assembly, and the synchronous rotation of the torsion assembly according to the torsion angle is favorably ensured.
Description
Technical Field
The invention relates to an optical cable torsion correction device.
Background
In the process of laying the optical cable, the optical cable reel W2 wound with the optical cable W1 is usually placed on the ground through an optical cable rack, and the hinged axes of the optical cable rack and the optical cable reel W2 are usually horizontal and fixed. After the optical cable W1 is pulled out from the optical cable drum W2, the optical cable W1 may rotate around the axis of the optical cable W1 to generate torsion (which may be generated by a winding process in a factory or may be generated by rotation of the optical cable drum W2), which may cause the optical cable W1 itself to be twisted, and is not favorable for ensuring the life and performance of the optical cable W1. This phenomenon is particularly remarkable when the length of the optical cable W1 is long.
Disclosure of Invention
The invention aims to provide an optical cable twist correction device which can prevent an optical cable from twisting due to an overlarge optical cable twist angle.
The detailed technical scheme adopted by the invention is as follows: the optical cable torsion correcting device comprises a releasing component, a torsion component and a torsion detecting component, wherein,
a torsion detection assembly having a means for detecting a torsion angle of the optical cable;
the releasing assembly is hinged to the twisting assembly and used for fixing the optical cable disc wound with the optical cable;
and the torsion assembly is hinged on the rack, is parallel to or coincided with the hinged axis of the rack and the axis of the optical cable, has rotary power and synchronously rotates according to the torsion angle.
When the optical cable released from the optical cable disc is twisted, namely, the optical cable disc is rotated by a twisting angle relative to the initial position around the axial lead of the optical cable, the twisting assembly drives the disc to synchronously rotate around the optical cable disc with the optical cable, so that the twisting of the optical cable is reduced or eliminated, and the optical cable can be prevented from being twisted due to the overlarge twisting angle of the optical cable.
According to a further technical scheme, the release assembly comprises a release center pillar and at least two abutting pieces, and at least one of the abutting pieces can be far away from an axis line of the release center pillar.
Facilitating the securing of the cable drum to the release assembly.
Further technical scheme, the release subassembly still includes guide arm, locking power spare, and the locking sleeve of cover on the release center pillar, and locking sleeve, release center pillar are connected with locking power spare respectively, and locking sleeve and guide arm laminating, every support the piece and articulate with the one end of the locking arm that is parallel to each other respectively, and locking sleeve articulates with the other end of the locking arm that is parallel to each other.
The inner wall of the optical cable disc can be uniformly stressed, and the fixing effect is ensured.
According to the further technical scheme, the torsion assembly comprises a torsion driving disc and a torsion driving shaft which is fixedly connected with the torsion driving disc and has the same axis with the torsion driving disc; during the rotation of the torsion assembly, the hinge axis of the release assembly and the torsion assembly always passes through the axis of the torsion driving shaft.
The gravity center of the optical cable disc can vertically penetrate through the axis line of the torsion driving shaft, so that the moment generated by the gravity of the optical cable disc to the torsion driving shaft is small in the rotation process of the torsion assembly, and the torsion assembly can be ensured to synchronously rotate according to the torsion angle.
According to a further technical scheme, the torsion detection assembly comprises a rotary sliding piece, an angle detection device and a torsion frame fixedly connected with an inner ring of the rotary sliding piece; the angle detection device comprises a coded disc sensor and a coded disc which is coaxial with the rotary sliding piece, and the torsion frame is hinged with at least two clamping wheels; the coded disc sensor and the coded disc are respectively fixed on the outer rings of the twisting frame and the rotating sliding piece, and the coded disc sensor corresponds to the coded disc.
The torsion angle of the optical cable is detected.
According to the further technical scheme, the number of the clamping wheels is two, grooves are formed in the clamping wheels, the rotary sliding part further comprises a clamping wheel frame, a screw rod and a sliding block, the screw rod is hinged with the torsion frame and is in threaded connection with the sliding block respectively, the clamping wheels are hinged with the clamping wheel frame respectively, and the clamping wheel frame is connected with the sliding block respectively; when the screw rod is rotated, the moving directions of the two sliding blocks are opposite.
The distance between the two clamping wheels can be adjusted by rotating the screw rod, so that the clamping degree of the optical cable can be conveniently adjusted, and the slipping of the optical cable and the clamping wheels around the axial lead of the optical cable is reduced or eliminated.
According to a further technical scheme, the torsion detection assembly further comprises a synchronous block and two synchronous rods, the synchronous block is in linear sliding connection with the clamping wheel carrier, and the clamping wheel carrier is hinged with the sliding block respectively; the synchronous rods are hinged with the torsion frame respectively, one ends of the two synchronous rods are hinged with each other, the other ends of the two synchronous rods are connected with the linear sliding wheels of the synchronous blocks respectively, and the sliding blocks are connected with the synchronous blocks through linear power parts.
The synchronous rotation of the two clamping wheel frames can be ensured, and the optical cable can be prevented from twisting due to the difference of friction force between the optical cable and the two clamping wheels; the optical cable can be in an S shape, the friction force between the optical cable and the clamping wheel is improved, and therefore slipping around the axis of the optical cable between the optical cable and the clamping wheel can be reduced or eliminated.
According to a further technical scheme, the rotary sliding part and the torsion driving shaft are coaxial, the rack is hinged with a pre-correction wheel, and the top end face of the pre-correction wheel and the axial lead of the torsion driving shaft are located at the same horizontal height.
The optical cable entering the rotary sliding piece can pass through or approximately pass through the axis line of the rotary sliding piece, and the accuracy of the detected torsion angle is ensured.
The technical scheme is further characterized by comprising an output component; the output assembly comprises an output frame, an output elastic part and at least three output guide rods uniformly distributed around the central line of the output frame, the output guide rods are respectively connected with the output wheel frame in a linear sliding mode, the output elastic part is respectively connected with the output guide rods and the output wheel frame, the output wheel frame is enabled to have a trend of being far away from the output guide rods, and each output wheel frame is hinged with at least two output wheels along the axial lead of the optical cable.
The posture of the optical cable output from the optical cable torsion correction device can be ensured, and torsion cannot occur.
The technical scheme is further characterized by comprising a control device; the control device is electrically connected with the torsion assembly and the torsion detection assembly respectively.
The technical scheme has the following advantages or beneficial effects:
1) The optical cable can be prevented from being twisted due to the overlarge twisting angle of the optical cable;
2) The gravity center of the optical cable disc can vertically penetrate through the axis line of the torsion driving shaft, so that the moment generated by the gravity of the optical cable disc to the torsion driving shaft is small in the rotation process of the torsion assembly, and the torsion assembly can be ensured to synchronously rotate according to the torsion angle;
3) The synchronous rotation of the two clamping wheel frames can be ensured, and the optical cable can be prevented from twisting due to the difference of friction force between the optical cable and the two clamping wheels; the optical cable can be in an S shape, the friction force between the optical cable and the clamping wheel is improved, and therefore slipping around the axis of the optical cable between the optical cable and the clamping wheel can be reduced or eliminated.
Drawings
FIG. 1 is a schematic perspective view of a cable twist correction apparatus according to an embodiment of the present invention; the torsion detection unit 3 and the output unit 4 are not shown.
FIG. 2 is a perspective view of another perspective of a cable twist correction apparatus according to an embodiment of the present invention; the torsion detecting unit 3 and the output unit 4 are not shown.
FIG. 3 is a schematic perspective view of a cable twist correction apparatus according to an embodiment of the present invention; the thick dotted line indicates the optical cable W1, and the thick dotted arrow indicates the moving direction of the optical cable W1 at the time of release; the thick solid line indicates the boundary of the drum W2, and the thick solid line arrow indicates the rotation direction of the drum W2 at the time of release.
Fig. 4 is a perspective view of the torsion detecting assembly 3 according to the embodiment of the present invention.
Fig. 5 is a schematic half-section view of the torsion detection assembly 3 according to an embodiment of the present invention.
Fig. 6 is a schematic cross-sectional view of the torsion detection assembly 3 according to an embodiment of the present invention.
Fig. 7 is a perspective view of output assembly 4 according to an embodiment of the present invention.
Fig. 8 is a schematic half-section of an output assembly 4 according to an embodiment of the invention.
Fig. 9 and 10 are schematic diagrams of the control device 8 according to the embodiment of the present invention.
The release assembly 1; releasing the center pillar 11; a holding piece 12; a locking arm 13; a locking sleeve 131; a locking power member 132; a guide arm 14; a guide groove 141; a torsion assembly 2; a torsion drive shaft 21; a torsion drive disk 211; a hinge bracket 212; a torsion drive 219; a load bearing support 22; a torsion detection assembly 3; a rotary slide member 31; a gripping wheel 311; a clamping wheel carrier 312; a twist stand 319; an angle detection device 32; a code wheel sensor 321; a code wheel 322; a screw 33; a slider 331; a synchronization block 34; the synchronization lever 341; a pre-correction wheel 39; an output assembly 4; an output wheel 41; an output wheel carrier 42; an output elastic member 43; an output frame 49; an output guide 491; a control device 8; an electric control 81; a servo driver 82; a frame 9; a torsion drive apparatus table 99; an optical cable W1; and a cable drum W2.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings of the embodiments of the present invention.
The optical cable torsion correcting device of one embodiment of the invention comprises a releasing component 1, a torsion component 2 and a torsion detecting component 3, wherein,
a torsion detection unit 3 having a means for detecting a torsion angle of the optical cable W1 (i.e., an angle of rotation of the optical cable W1 about the axis of the optical cable W1 with respect to an initial position);
the releasing component 1 is hinged on the twisting component 2 and used for fixing a cable tray W2 wound with the optical cable W1;
the torsion unit 2 is hinged to the frame 9, is parallel to or overlaps with the hinge axis of the frame 9 and the axis of the optical cable W1, has rotational power, and rotates synchronously according to the torsion angle (that is, the selected angle of the torsion unit 2 from the initial position is equal to the torsion angle).
The working principle is as follows: when the optical cable W1 is laid, dragging the optical cable W1 and releasing the optical cable W1 by the releasing component 1; when the optical cable W1 released from the optical cable drum W2 is twisted, that is, rotated by a twist angle relative to the initial position around the axial line of the optical cable W1, during the movement of the optical cable W1 along the axial line of the optical cable W1, the twisting unit 2 drives the optical cable drum W2 around which the optical cable W1 is wound to synchronously rotate, and reduces or eliminates the twist of the optical cable W1, so that the optical cable W1 can be prevented from being twisted due to an excessively large twist angle of the optical cable W1.
Preferably, the releasing component 1 comprises a releasing center pillar 11 and at least two abutting pieces 12, and at least one of the abutting pieces 12 can be far away from the axis line of the releasing center pillar 11. The damping disc is sleeved outside the abutting piece 12, and then the abutting piece 12 is far away from the axial lead of the release center pillar 11 to abut against the optical cable disc W2, so that the optical cable disc W2 is conveniently fixed on the release assembly 1.
Preferably, the releasing assembly 1 further includes a guiding arm 14, a locking arm 13, a locking power member 132, and a locking sleeve 131 sleeved on the releasing central pillar 11, the locking sleeve 131 and the releasing central pillar 11 are respectively connected to the locking power member 132, the locking sleeve 131 is attached to the guiding arm 14, each of the supporting pieces 12 is respectively hinged to one end of the locking arm 13 which is parallel to each other, and the locking sleeve 131 is hinged to the other end of the locking arm 13 which is parallel to each other. Generally, the locking dynamic member 132 is a bolt threadedly coupled to the release center pillar 11, and a bolt head of the locking dynamic member 132 abuts against the locking sleeve 131, so that the locking sleeve 131 and the release center pillar 11 are coupled to the locking dynamic member 132, respectively. The locking power member 132 drives the locking sleeve 131 to move along the releasing center post 11, so that each abutting piece 12 is respectively far away from the axial lead of the releasing center post 11 and abuts against the inner wall of the cable drum W2, the inner wall of the cable drum W2 can be uniformly stressed, and the fixing effect can be ensured.
Preferably, the torsion assembly 2 comprises a disc-shaped torsion driving disc 211 and a torsion driving shaft 21 which is fixedly connected with the torsion driving disc 211 and has the same axis with the torsion driving disc 211; the frame 9 is hinged with a plurality of bearing supporting pieces 22, and the bearing supporting pieces 22 are respectively propped against the torsion driving disc 211; during the rotation of the torsion assembly 2, the hinge axis of the release assembly 1 and the torsion assembly 2 always passes through the axis of the torsion driving shaft 21. The gravity center of the cable drum W2 can vertically penetrate (or nearly penetrate, namely, a small distance exists between the gravity center and the axis of the torsion driving shaft 21) through the axis of the torsion driving shaft 21 (namely, the gravity direction of the gravity center penetrating through the cable drum W2), so that the moment generated by the gravity of the cable drum W2 on the torsion driving shaft 21 is small in the rotation process of the torsion assembly 2, and the synchronous rotation of the torsion assembly 2 according to the torsion angle is favorably ensured.
Preferably, the torsion detecting assembly 3 includes a rotary slider 31, an angle detecting device 32, and a torsion frame 319 fixedly connected to an inner ring of the rotary slider 31; the angle detection device 32 comprises a code wheel sensor 321 and a code wheel 322 coaxial with the rotary sliding piece 31, and the torsion rack 319 is hinged with at least two clamping wheels 311; the code wheel sensor 321 and the code wheel 322 are respectively fixed on the torsion rack 319 and the outer ring of the rotary sliding piece 31, and the code wheel sensor 321 corresponds to the code wheel 322 (generally, the code wheel sensor is opposite to the code wheel holes uniformly distributed on the code wheel 322 around the axis of the code wheel). Typically, the rotary slide 31 is a bearing, and the inner ring is slidable with respect to the outer ring. The optical cable W1 penetrates through the clamping wheels 311, the clamping wheels 311 clamp the optical cable W1, and the inner ring of the rotary sliding piece 31 and the coded disc 322 are driven to rotate when the optical cable W1 is twisted, so that the twisting angle of the optical cable W1 is detected.
Preferably, the two clamping wheels 311 are provided with grooves (not shown in the drawings), the rotary sliding member 31 further includes a clamping wheel frame 312, a screw 33 and a sliding block 331, the screw 33 is hinged with the torsion frame 319 and is respectively in threaded connection with the sliding block 331, the clamping wheels 311 are respectively hinged with the clamping wheel frame 312, and the clamping wheel frame 312 is respectively connected with the sliding block 331; the two sliders 331 move in opposite directions when the screw 33 is rotated. Generally, the screw 33 has opposite thread directions of the portions screwed to the two sliders 331. The distance between the two clamping wheels 311 can be adjusted by rotating the screw 33, so that the clamping degree of the optical cable W1 can be adjusted conveniently, and the slippage between the optical cable W1 and the clamping wheels 311 around the axis line of the optical cable W1 is reduced or eliminated.
Preferably, the torsion detecting assembly 3 further includes a synchronizing block 34 and two synchronizing rods 341, the synchronizing block 34 is linearly slidably connected to the clamping wheel carrier 312 (the synchronizing block 34 is provided with a linear sliding slot, the clamping wheel 311 is provided with a protrusion, and the protrusion is embedded into the linear sliding slot of the synchronizing block 34), and the clamping wheel carrier 312 is respectively hinged to the sliding block 331; the synchronous rods 341 are hinged to the torsion frame 319, one ends of the two synchronous rods 341 are hinged to each other, the other ends of the two synchronous rods are connected to the linear sliding wheels of the synchronous block 34, and the sliding block 331 and the synchronous block 34 are connected through a linear power member (not shown in the drawings, generally, a bolt head is inserted into the synchronous block 34 and is in threaded connection with the sliding block, the linear power member may be only one, or two and respectively corresponding to the two synchronous blocks 34). The synchronous block 34 is moved up and down by the linear power member, and the two clamping wheel frames 312 can be ensured to rotate synchronously under the action of the synchronous rod 341, so that the optical cable W1 can be prevented from twisting due to the difference of the friction force between the optical cable W1 and the two clamping wheels 311; meanwhile, after the clamping wheel carrier 312 synchronously rotates for a certain angle to enable the axis of the clamping wheel 311 to be non-vertical, the optical cable W1 can be in an S shape, the friction force between the optical cable W1 and the clamping wheel 311 is improved, and therefore slipping around the axis of the optical cable W1 between the optical cable W1 and the clamping wheel 311 can be reduced or eliminated.
Preferably, the rotary slider 31 is coaxial with the torsion drive shaft 21, the frame 9 is hinged with a pre-correction wheel 39, and the top end face of the pre-correction wheel 39 is at the same level as the axial lead of the torsion drive shaft 21. The optical fiber cable W1 entering the rotary slide member 31 can be made to pass through or approximately pass through the axial center line of the rotary slide member 31, ensuring the accuracy of the detected torsion angle.
Further, an output component 4 is also included; the output assembly 4 includes an output frame 49, an output elastic member 43, and at least three output guide rods 491 uniformly distributed around the central line of the output frame 49 (the central line of the output frame 49 is the axial line of the optical cable W1, the output frame 49 may be circular ring-shaped or rectangular overall, etc.), the output guide rods 491 are respectively connected with the output wheel frames 42 in a linear sliding manner, the output elastic member 43 is respectively connected with the output guide rods 491 and the output wheel frames 42, so that the output wheel frames 42 tend to be away from the output guide rods 491, and each output wheel frame 42 is hinged with at least two output wheels 41 along the axial line of the optical cable W1. The posture of the optical cable W1 output from the optical cable twisting correction device can be ensured without twisting.
Further, the device also comprises a control device 8; the control device 8 is electrically connected with the torsion assembly 2 and the torsion detection assembly 3 respectively. Generally, the control device 8 includes an electrical control 81 which is a PLC, and a servo driver 82 electrically connected to the electrical control 81; the encoder sensor 321 is electrically connected to the electronic control unit 81, and the servo driver 82 is electrically connected to a torsion driving device 219 (typically, a servo motor) for driving the torsion driving shaft 21. So as to achieve a synchronous rotation of the torsion assembly 2 according to said torsion angle (i.e. the selected angle of the torsion assembly 2 from the initial position is equal to the torsion angle).
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Claims (8)
1. The optical cable torsion correcting device is characterized by comprising a releasing component (1), a torsion component (2) and a torsion detecting component (3), wherein,
a torsion detection module (3) having means for detecting the torsion angle of the optical cable (W1);
the releasing assembly (1) is hinged to the twisting assembly (2) and used for fixing a cable tray (W2) wound with an optical cable (W1);
the torsion assembly (2) is hinged on the rack (9), is parallel to or overlapped with a hinged axis of the rack (9) and an axis of the optical cable (W1), has rotary power and synchronously rotates according to the torsion angle;
the release assembly (1) comprises a release center pillar (11) and at least two abutting pieces (12), wherein at least one of the abutting pieces (12) can be far away from the axis line of the release center pillar (11);
release subassembly (1) still includes guiding arm (14), locking arm (13), locking power spare (132) and overlaps and establish locking sleeve (131) on release center pillar (11), locking sleeve (131), release center pillar (11) are connected with locking power spare (132) respectively, and locking sleeve (131) and guiding arm (14) laminating, every support and hold piece (12) and articulate with the one end of the locking arm (13) that is parallel to each other respectively, and locking sleeve (131) are articulated with the other end of the locking arm (13) that is parallel to each other.
2. The cable twisting correction device of claim 1, wherein the twisting assembly (2) comprises a twisting drive disk (211) and a twisting drive shaft (21) which is fixedly connected with the twisting drive disk (211) and has a coaxial axis; during the rotation of the torsion assembly (2), the hinge axis of the release assembly (1) and the torsion assembly (2) always passes through the axis of the torsion driving shaft (21).
3. The cable torsion correction device according to claim 2, wherein the torsion detecting unit (3) includes a rotary slider (31), an angle detecting device (32), and a torsion frame (319) fixedly connected to an inner ring of the rotary slider (31); the angle detection device (32) comprises a coded disc sensor (321) and a coded disc (322) coaxial with the rotary sliding piece (31), and the torsion frame (319) is hinged with at least two clamping wheels (311); the coded disc sensor (321) and the coded disc (322) are respectively fixed on the outer rings of the torsion frame (319) and the rotary sliding piece (31), and the coded disc sensor (321) corresponds to the coded disc (322).
4. The cable torsion correcting device according to claim 3, wherein the clamping wheels (311) are two and are provided with grooves, the rotary sliding member (31) further comprises a clamping wheel frame (312), a screw (33) and a sliding block (331), the screw (33) is hinged with the torsion frame (319) and is respectively in threaded connection with the sliding block (331), the clamping wheels (311) are respectively hinged with the clamping wheel frame (312), and the clamping wheel frames (312) are respectively connected with the sliding block (331); when the screw rod (33) is rotated, the moving directions of the two sliding blocks (331) are opposite.
5. The cable torsion correcting device according to claim 4, wherein the torsion detecting component (3) further comprises a synchronizing block (34) and two synchronizing rods (341), the synchronizing block (34) is linearly slidably connected with the clamping wheel frames (312), and the clamping wheel frames (312) are respectively hinged with the sliding blocks (331); the synchronous rods (341) are respectively hinged with the twisting frame (319), one ends of the two synchronous rods (341) are mutually hinged, the other ends of the two synchronous rods are respectively connected with the linear sliding wheel of the synchronous block (34), and the sliding block (331) is connected with the synchronous block (34) through a linear power part.
6. A cable twist correction device as claimed in claim 3, characterized in that the rotary slider (31) is coaxial with the twist drive shaft (21), the frame (9) is hinged with a pre-correction wheel (39), the top end face of the pre-correction wheel (39) being at the same level as the axial line of the twist drive shaft (21).
7. A cable twist correction device according to claim 1, further comprising an output assembly (4); the output assembly (4) comprises an output frame (49), an output elastic part (43) and at least three output guide rods (491) which are uniformly distributed around the central line of the output frame (49), the output guide rods (491) are respectively connected with the output wheel frame (42) in a linear sliding manner, the output elastic part (43) is respectively connected with the output guide rods (491) and the output wheel frame (42), so that the output wheel frame (42) tends to be far away from the output guide rods (491), and each output wheel frame (42) is hinged with at least two output wheels (41) along the axial line of the optical cable (W1).
8. A cable twist correction device according to any one of claims 1 to 7, characterized by further comprising control means (8); the control device (8) is electrically connected with the torsion assembly (2) and the torsion detection assembly (3) respectively.
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| CN202110398426.7A CN113126225B (en) | 2021-04-11 | 2021-04-11 | Optical cable torsion correcting device |
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| CN203100674U (en) * | 2012-12-04 | 2013-07-31 | 合肥合宁电工设备有限公司 | Submarine cable vertical cabling machine discharge rotation disk angle detection mechanism |
| CN211237816U (en) * | 2020-01-03 | 2020-08-11 | 乐庭电线工业（惠州）有限公司 | Constant tension back-twisting machine |
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| US8912889B2 (en) * | 2009-09-16 | 2014-12-16 | Prysmian S.P.A. | Monitoring method and system for detecting the torsion along a cable provided with identification tags |
| CN104016191A (en) * | 2013-02-28 | 2014-09-03 | 武汉烽火锐光科技有限公司 | Automatic optical fiber untwisting device and method |
| JP5764625B2 (en) * | 2013-09-10 | 2015-08-19 | 昭和電線ケーブルシステム株式会社 | Optical fiber cable twist inspection method and twist inspection apparatus |
| CN105621157B (en) * | 2016-03-25 | 2018-08-28 | 武汉长盈通光电技术有限公司 | A kind of optical fiber back-twist device |
| RS62300B1 (en) * | 2016-10-03 | 2021-09-30 | Komax Holding Ag | Method and device for rotational alignment of preconfigured cable ends of a wire harness |
| CN209133995U (en) * | 2018-12-14 | 2019-07-19 | 杭州晟冠科技有限公司 | A kind of cable laying device with on-line monitoring function |
| CN111599535A (en) * | 2020-05-20 | 2020-08-28 | 上海立则线缆有限公司 | Stranded conductor device is used in cable production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203100674U (en) * | 2012-12-04 | 2013-07-31 | 合肥合宁电工设备有限公司 | Submarine cable vertical cabling machine discharge rotation disk angle detection mechanism |
| CN211237816U (en) * | 2020-01-03 | 2020-08-11 | 乐庭电线工业（惠州）有限公司 | Constant tension back-twisting machine |
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