CN112230360B - Optical cable traction connector capable of reducing core breaking rate of optical cable - Google Patents
Optical cable traction connector capable of reducing core breaking rate of optical cable Download PDFInfo
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- CN112230360B CN112230360B CN202011150927.5A CN202011150927A CN112230360B CN 112230360 B CN112230360 B CN 112230360B CN 202011150927 A CN202011150927 A CN 202011150927A CN 112230360 B CN112230360 B CN 112230360B
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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
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Abstract
The utility model relates to a reduce optical cable of disconnected core rate of optical cable and pull connector belongs to the technical field that the optical cable was pull, and it includes first change, second conversion and centre gripping subassembly, first change can be dismantled and connect on the haulage rope, it has the dwang to rotate on the first change, the one end and the second change fixed connection of first change are kept away from to the dwang, the second change sets up on the optical cable, the centre gripping subassembly sets up on the second change to be used for the centre gripping optical cable. When drawing the optical cable, first change ring is installed on the haulage rope, then starts the centre gripping subassembly, and the optical cable is by the centre gripping of centre gripping subassembly to make the haulage rope be connected with the optical cable, when laying the optical cable, the staff drives the optical cable through the haulage rope and removes, when the haulage rope atress takes place to twist reverse, because the dwang rotates with first change ring and is connected, therefore the emergence rotation that the optical cable can not be easy, thereby reduced the probability that the optical cable takes place to twist reverse, thereby reduced the disconnected core rate of optical cable.
Description
Technical Field
The application relates to the field of optical cable traction, in particular to an optical cable traction connector for reducing the core breaking rate of an optical cable.
Background
Fiber optic cables are currently manufactured to meet optical, mechanical, or environmental performance specifications by utilizing one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass fibers like hair), a plastic protective sleeve and a plastic outer sheath, a cable core is formed by a certain number of optical fibers according to a certain mode, a sheath is wrapped outside the optical fibers, and an outer protective layer is also wrapped outside the optical fibers, so that a communication line for transmitting optical signals is realized.
During the laying construction of the optical cable, the optical cable is generally required to be pulled by using a pulling rope. When the hauling rope is connected with the optical cable, the optical cable is sleeved in the optical cable net sleeve, and then the optical cable and the optical cable net sleeve are directly compressed by a pressing machine, so that the connection between the optical cable and the optical cable net sleeve is realized.
Because the optical cable is directly and fixedly connected with the optical cable traction sleeve, the optical cable is easily driven to be twisted by the traction rope in the process of traction of the optical cable, and the core breaking of the optical cable is caused.
Disclosure of Invention
In order to reduce the core breaking rate of the optical cable, the application provides an optical cable traction connector for reducing the core breaking rate of the optical cable.
The application provides a pair of reduce optical cable of optical cable broken core rate and pull connector adopts following technical scheme:
the utility model provides a reduce optical cable of disconnected core rate of optical cable and pull connector, includes first change, second conversion and centre gripping subassembly, first change can be dismantled and connect on the haulage rope, it has the dwang to rotate on the first change, the one end and the second change fixed connection of first change are kept away from to the dwang, the second change sets up on the optical cable, the centre gripping subassembly sets up on the second change to be used for the centre gripping optical cable.
Through adopting above-mentioned technical scheme, when drawing the optical cable, first change ring is installed on the haulage rope, then start the centre gripping subassembly, the optical cable is by the centre gripping of centre gripping subassembly centre gripping to make the haulage rope be connected with the optical cable, when laying the optical cable, the staff drives the optical cable through the haulage rope and removes, when the haulage rope atress takes place to twist reverse, because the dwang rotates with first change ring and is connected, therefore the optical cable can not be easy emergence rotation, thereby the probability of twisting takes place for the optical cable has been reduced, thereby the disconnected core rate of optical cable has been reduced.
Optionally, the cover is equipped with the butt joint board on the haulage rope, the arrangement groove has been seted up to the terminal surface of butt joint board, and the one end joint of haulage rope is in the arrangement groove, be fixed with the spliced pole on the butt joint board, set up the cavity with external intercommunication on the first change, set up the spliced eye with the cavity intercommunication on the first change, the spliced eye is passed to the one end of spliced pole, spliced pole coaxial thread is connected with lock nut, lock nut and cavity inner wall butt.
Through adopting above-mentioned technical scheme, during the first change of ring of installation, locate the haulage rope with the butt plate cover on, then with the one end joint of haulage rope in the resettlement groove, then butt joint board and first change of ring butt, the spliced pole passes the spliced eye and arranges the cavity in, then screws up lock nut for the butt joint board is locked on first change, thereby realizes the installation between haulage rope and the first change of ring.
Optionally, set up the rotation hole with the cavity intercommunication on the first swivel, the one end that the second swivel was kept away from to the dwang passes and rotates the hole and rotate with first swivel and be connected, threaded connection has two stop nut on the dwang, two stop nut respectively with the inside and outside both sides butt of first swivel.
Through adopting above-mentioned technical scheme, when connecting haulage rope and optical cable, pass the dwang and rotate the hole, then twist two stop nut respectively for two stop nut respectively with the inside and outside both sides butt of first change, thereby carry on spacingly to the position of dwang, make the dwang install on first change, thereby realize being connected of haulage rope and optical cable.
Optionally, the clamping assembly comprises a clamping sleeve, a holding cavity for holding the optical cable is formed in the clamping sleeve, the holding cavity is axially divided into a first clamping half sleeve and a second clamping half sleeve along the holding cavity, the first clamping half sleeve is fixedly connected with the second rotating ring, and the second clamping half sleeve is clamped with the first clamping half sleeve.
Through adopting above-mentioned technical scheme, when installing the second swivel on the optical cable, arrange the optical cable in half cover of first centre gripping, then with half cover of second centre gripping and half set of joint of first centre gripping to make the centre gripping cover carry out preliminary clamp to the optical cable and press from both sides, make the second swivel install on the optical cable.
Optionally, the inner walls of the first clamping half sleeve and the second clamping half sleeve are provided with auxiliary plates, the auxiliary plates are provided with clamping plates in a sliding manner along the surfaces of the auxiliary plates, the clamping plates are fixed on the clamping plates and are abutted against the optical cable, and the first clamping half sleeve and the second clamping half sleeve are internally provided with locking portions for locking the clamping plates.
Through adopting above-mentioned technical scheme, place in first centre gripping half cover back at the optical cable, the grip block slides for grip block and optical cable butt, then start locking portion, locking portion will press from both sides the grip block locking, then with second centre gripping half cover joint in first centre gripping half cover, thereby further strengthened the centre gripping effect of grip block to the optical cable.
Optionally, the locking portion includes two check lock levers and two check lock wheels, two the check lock wheel rotates with two check lock levers respectively and is connected to all with same clamp plate butt, the check lock lever slides on the grip sleeve, and the direction of sliding is perpendicular with the axis of grip sleeve.
Through adopting above-mentioned technical scheme, the clamping sleeve carries out preliminary clamp to the optical cable after, the check lock lever slides for the removal of tight board is pressed from both sides in the locking wheel drive, thereby makes adjacent tight board butt of clamp, thereby presss from both sides the optical cable tightly.
Optionally, the outer wall of the clamping sleeve is fixed with a connecting bolt, the axis of the connecting bolt is perpendicular to the axis of the clamping sleeve, two connecting rods are arranged along the axis of the connecting bolt in a sliding mode and penetrate through the clamping sleeve to be fixedly connected with the two locking rods respectively, sliding holes are formed in the clamping sleeve to allow the connecting rods to slide, a connecting nut is connected to the connecting bolt in a threaded mode, and the connecting nut is abutted to the connecting rods.
Through adopting above-mentioned technical scheme, when drive the locking lever and slide, rotate coupling nut, coupling nut promotes the sliding of connecting rod to drive the removal of locking lever, and then make the locking wheel drive the removal of clamp plate, make half cover of first centre gripping and half cover of second centre gripping clamp plate press from both sides the optical cable tightly.
Optionally, the first clamping half sleeve and the second clamping half sleeve are both provided with annular sliding grooves, the two sliding grooves are communicated end to end, the auxiliary plates slide in the sliding grooves, the auxiliary plates are provided with four auxiliary plates and are uniformly distributed along the circumferential direction of the clamping sleeves, the two auxiliary plates are arranged on the first clamping half sleeve, the other two auxiliary plates are arranged on the second clamping half sleeve, the clamping plates are 1/4 circular, and the adjacent clamping plates are abutted to form a circular shape.
Through adopting above-mentioned technical scheme, set up the purpose that the accessory plate slided, when the too big second swivel that drives of torsion that the haulage rope received rotated, the centre gripping cover rotated to make the accessory plate slide at the inslot that slides, thereby make the clamp plate when pressing from both sides the optical cable tightly, the locking wheel moved on the clamp plate, make the optical cable can not take place to twist reverse.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the clamping assembly is arranged for clamping the optical cable, the second rotating ring is connected with the optical cable, the first rotating ring and the second rotating ring are arranged for rotating, when the optical cable is laid, a worker drives the optical cable to move through the traction rope, when the traction rope is stressed to twist, the rotating rod is rotatably connected with the second rotating ring, so that the optical cable cannot easily rotate, the probability of twisting of the optical cable is reduced, and the core breaking rate of the optical cable is reduced;
2. the clamping plate is arranged for sliding after the optical cable is placed in the first clamping half sleeve, so that the clamping plate is abutted to the optical cable, then the locking part is started, the clamping plate is locked by the locking part, and then the second clamping half sleeve is clamped on the first clamping half sleeve, so that the clamping effect of the clamping sleeve on the optical cable is further enhanced;
3. the purpose that sets up locking wheel and accessory plate and slide is, when the too big second swivel that drives of torsion that the haulage rope received rotated, the centre gripping cover rotated to make the accessory plate slide at the inslot that slides, thereby make the clamp plate when pressing from both sides the optical cable tightly, the locking wheel moved on the clamp plate, make the optical cable can not take place to twist reverse.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an exploded view showing a coupling structure between a traction rope and a first swivel ring.
Fig. 3 is a cross-sectional view with portions of the clamping sleeve cut away to show the structure of the cable clamped therein.
Fig. 4 is an overall structural view of the locking portion.
Description of reference numerals: 100. a hauling rope; 110. a first swivel; 120. a butt joint plate; 121. a plug rod; 122. locking the nut; 123. a placing groove; 200. an optical cable; 210. a second swivel; 300. a clamping assembly; 310. a clamping sleeve; 311. a first clamping half sleeve; 312. a second clamping half sleeve; 313. a clamping block; 314. a clamping groove; 315. connecting blocks; 316. a connecting bolt; 317. a connecting nut; 318. a sliding hole; 319. a connecting rod; 320. an accommodating chamber; 321. a sliding groove; 322. an auxiliary plate; 323. a clamping plate; 324. an auxiliary groove; 325. a clamping plate; 330. a locking portion; 331. a locking lever; 332. a locking wheel; 400. rotating the rod; 410. a limit nut; 420. ball bearings.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses an optical cable traction connector for reducing the core breaking rate of an optical cable.
Referring to fig. 1, the optical cable pulling connector for reducing the core breaking rate of the optical cable comprises a first swivel 110, a second swivel 210 and a clamping assembly 300, wherein the first swivel 110 is detachably connected to a pulling rope 100, the second swivel 210 is arranged on an optical cable 200, a rotating rod 400 is rotated on the first swivel 110, and one end of the rotating rod 400, which is far away from the first swivel 110, is welded with the second swivel 210. The clamping assembly 300 is disposed on the second swivel 210 and is used to clamp the optical cable 200. When laying the optical cable 200, realize the back of being connected of haulage rope 100 and optical cable 200, the staff passes through haulage rope 100 and drives optical cable 200 and remove, and when haulage rope 100 atress took place to twist reverse, first swivel 110 rotated, and second swivel 210 keeps initial state, and optical cable 200 is normally pulled.
Referring to fig. 2, in order to realize the detachability of the first rotating ring 110 and the pulling rope 100, a circular abutting plate 120 is sleeved on the pulling rope 100, a placing groove 123 is formed in an end surface of the abutting plate 120, one end of the pulling rope 100 is clamped in the placing groove 123, and a plug-in rod 121 is welded on the abutting plate 120. A cavity communicated with the outside is formed in the first rotating ring 110, an inserting hole communicated with the cavity is formed in the first rotating ring 110, and one end, far away from the abutting plate 120, of the inserting rod 121 penetrates through the inserting hole, so that the abutting plate 120 abuts against the first rotating ring 110, and the traction rope 100 is pressed tightly. The plug rod 121 is coaxially and threadedly connected with a locking nut 122, and the locking nut 122 abuts against the inner wall of the cavity, so that the abutting plate 120 is locked on the first rotary ring 10.
In order to realize the rotation of the rotating rod 400 and the first rotating ring 110, a rotating hole communicated with the cavity is formed in the first rotating ring 110, a ball bearing 420 is installed in the rotating hole, and one end of the rotating rod 400, which is far away from the second rotating ring 210, penetrates through the ball bearing 420. Two limit nuts 410 are coaxially and threadedly connected to the rotating rod 400, and the two limit nuts 410 are respectively abutted against two end faces of the inner ring of the ball bearing 420.
Referring to fig. 3, the clamping assembly 300 includes a cylindrical clamping sleeve 310, and a cylindrical receiving cavity 320 is formed in the clamping sleeve 310 for receiving the optical cable 200. The clamping sleeve 310 is divided into a first clamping half sleeve 311 and a second clamping half sleeve 312 along the axis of the accommodating cavity 320, and the first clamping half sleeve 311 is welded with the second rotary ring 210. A clamping groove 314 is formed in the first clamping half sleeve 311, a clamping block 313 made of rubber is welded on the second clamping half sleeve 312, and the clamping block 313 is clamped with the clamping groove 314 in an interference fit mode. The optical cable 200 is placed in the first clamping half-sleeve 311, and then the clamping block 313 is clamped in the clamping groove 314, so that the clamping sleeve 310 initially clamps the optical cable 200, and the second rotary ring 210 is installed on the optical cable 200.
In order to further enhance the clamping effect of the clamping sleeve 310 on the optical cable 200, annular sliding grooves 321 are formed in the first clamping half sleeve 311 and the second clamping half sleeve 312, the two sliding grooves 321 are communicated end to end, four inclined auxiliary plates 322 are slidably arranged in the sliding grooves 321, the four auxiliary plates 322 are uniformly distributed along the circumferential direction of the clamping sleeve 310, two auxiliary plates 322 are arranged on the first clamping half sleeve 311, and the other two auxiliary plates 322 are arranged on the second clamping half sleeve 312. Auxiliary grooves 324 are formed in the surface of the auxiliary plate 322 along the inclined direction, clamping plates 323 are slidably arranged in the auxiliary grooves 324, 1/4 circular clamping plates 325 are welded to one side wall of each clamping plate 323, each clamping plate 325 abuts against the optical cable 200, and adjacent clamping plates 325 abut against each other, so that the circular shape is formed. The first clamping half sleeve 311 and the second clamping half sleeve 312 are each provided with a locking portion 330, and the locking portions 330 are used for locking the clamping plate 325. When the optical cable 200 is installed, the clamping plate 325 is slid, so that the optical cable 200 is placed in the accommodating cavity 320, then the clamping plate 325 is slid to abut against the optical cable 200, then the locking part 330 is started, and the clamping plate 325 is locked by the locking part 330, so that the effect of assisting in clamping the optical cable 200 is achieved; when the torsion force of the pulling rope 100 is too large and drives the second rotary ring 210 to rotate, the clamping sleeve 310 rotates, and the auxiliary plate 322 slides in the sliding groove 321 while clamping the optical cable 200, so that the optical cable 200 can be kept in an original state without torsion when the clamping sleeve 310 rotates.
Referring to fig. 3 and 4, the locking part 330 includes two locking rods 331 and two connecting blocks 315, the two connecting blocks 315 are welded to the clamping sleeve 310, the two locking rods 331 respectively slide on the two connecting blocks 315, and the sliding direction is perpendicular to the axis of the clamping sleeve 310. A lock wheel 332 is rotated on the lock lever 331, and the lock wheel 332 abuts against the clamp plate 325. The clamping sleeve 310 is welded with the connecting bolt 316, the length direction of the connecting bolt 316 is perpendicular to the axis of the clamping sleeve 310, two sides of the axis of the connecting bolt 316 are provided with connecting grooves along the axis, connecting rods 319 slide in the two connecting grooves, and one ends of the two connecting rods 319, which are far away from the connecting bolt 316, penetrate through the clamping sleeve 310 and are respectively welded with the locking rods 331. A coupling nut 317 is screwed to the coupling bolt 316, and the coupling nut 317 abuts against the coupling rod 319 to limit the coupling rod 319. The clamping sleeve 310 is provided with a sliding hole 318 along the axis thereof for sliding the connecting rod 319. On the one hand, before placing optical cable 200 in first centre gripping half cover 311, clamping plate 325 slides, make the check lock lever 331 to the axis direction of keeping away from centre gripping cover 310 remove, make optical cable 200 place in first centre gripping half cover 311, optical cable 200 place in first centre gripping half cover 311 back, connecting rod 319 slides, connecting rod 319 drives the removal of check lock lever 331, thereby make clamping plate 325 and optical cable 200 butt, and clamping plate 325 constitutes circularly, then rotate coupling nut 317, coupling nut 317 is spacing to connecting rod 319, make locking wheel 332 press from both sides optical cable 200.
The implementation principle of the optical cable traction connector for reducing the core breaking rate of the optical cable in the embodiment of the application is as follows: before the optical cable 200 is laid, the abutting plate 120 is sleeved on the pulling rope 100, then the pulling rope 100 is clamped in the mounting groove 123, the inserting rod 121 penetrates into the cavity, the abutting plate 120 abuts against the first rotating ring 110, the lock nut 122 is then turned, and the lock nut 122 locks the abutment plate 120 to the first swivel 110, thereby allowing the first swivel 110 to be mounted to the pull-cord 100, the rotating rod 400 is then inserted into the cavity, the stop nut 410 is rotated, thereby achieving the connection of the first swivel 110 with the second swivel 210, the optical cable 200 is placed in the first clamping half 311, then, the clamping blocks 313 on the second clamping half 312 are clamped in the clamping grooves 314, so that the clamping sleeve 310 initially clamps the optical cable 200, the coupling nut 317 is then turned, the coupling nut 317 pushes the movement of the connecting rod 319, so that the locking wheel 332 brings the clamping plate 325 into abutment with the cable 200, thereby clamping the cable 200;
when the optical cable 200 is laid, a worker drives the optical cable 200 to move through the pulling rope 100, when the pulling rope 100 is stressed and twisted, the first rotating ring 110 rotates, and the optical cable 200 keeps an initial state and is continuously pulled; when the pulling rope 100 is subjected to a larger twisting force and drives the second rotary ring 210 to rotate, the clamping sleeve 310 rotates, the auxiliary plate 322 slides in the sliding groove 321, and the locking wheel 332 moves on the clamping plate 323, so that the optical cable 200 is still pulled continuously in an initial state.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (3)
1. The utility model provides a reduce optical cable of optical cable broken core rate and pull connector which characterized in that: the device comprises a first rotating ring (110) and a second converting and clamping assembly (300), wherein the first rotating ring (110) is detachably connected to a traction rope (100), a rotating rod (400) is rotated on the first rotating ring (110), one end, far away from the first rotating ring (110), of the rotating rod (400) is fixedly connected with the second rotating ring (210), the second rotating ring (210) is arranged on an optical cable (200), and the clamping assembly (300) is arranged on the second rotating ring (210) and is used for clamping the optical cable (200);
the traction rope (100) is sleeved with a butt plate (120), a mounting groove (123) is formed in the end face of the butt plate (120), one end of the traction rope (100) is clamped in the mounting groove (123), an insertion rod (121) is fixed on the butt plate (120), a cavity communicated with the outside is formed in the first rotating ring (110), an insertion hole communicated with the cavity is formed in the first rotating ring (110), one end of the insertion rod (121) penetrates through the insertion hole, a locking nut (122) is coaxially connected with the insertion rod (121) in a threaded mode, and the locking nut (122) is abutted to the inner wall of the cavity;
a rotating hole communicated with the cavity is formed in the first rotating ring (110), one end, far away from the second rotating ring (210), of the rotating rod (400) penetrates through the rotating hole to be rotatably connected with the first rotating ring (110), two limiting nuts (410) are in threaded connection with the rotating rod (400), and the two limiting nuts (410) are respectively abutted to the inner side and the outer side of the first rotating ring (110);
the clamping assembly (300) comprises a clamping sleeve (310), an accommodating cavity (320) for accommodating the optical cable (200) is formed in the clamping sleeve (310), the clamping sleeve (310) is divided into a first clamping half sleeve (311) and a second clamping half sleeve (312) along the axis of the accommodating cavity (320), the first clamping half sleeve (311) is fixedly connected with the second rotating ring (210), and the second clamping half sleeve (312) is clamped with the first clamping half sleeve (311);
auxiliary plates (322) are arranged on the inner walls of the first clamping half sleeve (311) and the second clamping half sleeve (312), a clamping plate (323) slides on the surface of the auxiliary plate (322), a clamping plate (325) is fixed on the clamping plate (323), the clamping plate (325) is abutted against the optical cable (200), locking parts (330) are arranged in the first clamping half sleeve (311) and the second clamping half sleeve (312), and the locking parts (330) are used for locking the clamping plate (325);
the locking part (330) comprises two locking rods (331) and two locking wheels (332), the two locking wheels (332) are respectively rotatably connected with the two locking rods (331) and are abutted against the same clamping plate (325), the locking rods (331) slide on the clamping sleeve (310), and the sliding direction is perpendicular to the axis of the clamping sleeve (310).
2. An optical cable pulling connector for reducing core breaking rate of optical cable according to claim 1, wherein: centre gripping cover (310) outer wall is fixed with connecting bolt (316), the axis of connecting bolt (316) is perpendicular with the axis of centre gripping cover (310), follows the axis of connecting bolt (316) slides and has two connecting rod (319), two connecting rod (319) pass centre gripping cover (310) respectively with two check lock lever (331) fixed connection, the hole of sliding (318) has been seted up on centre gripping cover (310) to supply sliding of connecting rod (319), threaded connection has coupling nut (317) on connecting bolt (316), coupling nut (317) and connecting rod (319) butt.
3. An optical cable pulling connector for reducing core breaking rate of optical cable according to claim 2, wherein: the first clamping half sleeve (311) and the second clamping half sleeve (312) are provided with annular sliding grooves (321), the two sliding grooves (321) are communicated end to end, the auxiliary plate (322) slides in the sliding grooves (321), the four auxiliary plates (322) are uniformly distributed along the circumferential direction of the clamping sleeve (310), the two auxiliary plates (322) are arranged on the first clamping half sleeve (311), the other two auxiliary plates (322) are arranged on the second clamping half sleeve (312), the clamping plates (325) are 1/4 circular, and the adjacent clamping plates (325) are abutted and form a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150927.5A CN112230360B (en) | 2020-10-24 | 2020-10-24 | Optical cable traction connector capable of reducing core breaking rate of optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011150927.5A CN112230360B (en) | 2020-10-24 | 2020-10-24 | Optical cable traction connector capable of reducing core breaking rate of optical cable |
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| Publication Number | Publication Date |
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| CN112230360A CN112230360A (en) | 2021-01-15 |
| CN112230360B true CN112230360B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011150927.5A Active CN112230360B (en) | 2020-10-24 | 2020-10-24 | Optical cable traction connector capable of reducing core breaking rate of optical cable |
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| CN112909878B (en) * | 2021-01-22 | 2021-09-28 | 上海锦鑫管业有限公司 | Cable protecting pipe and installation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487654A (en) * | 2019-08-20 | 2019-11-22 | 深圳市铠盛通光电科技有限公司 | Special despatch fiber optic cable twist test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4200865A1 (en) * | 1992-01-15 | 1993-07-22 | Siemens Ag | Cable-drawing device with conical wedge and sleeve - includes insert screwed into sleeve end until traction-resistant strands are gripped between these coaxial parts |
| JP2001004886A (en) * | 1999-06-22 | 2001-01-12 | Mitsubishi Cable Ind Ltd | Pneumatic laying method of optical fiber cable and coupling device for pneumatic laying of optical fiber cable |
| CN201340470Y (en) * | 2009-01-12 | 2009-11-04 | 四川汇源光通信有限公司 | Optical cable drawing head |
| CN207301438U (en) * | 2017-10-23 | 2018-05-01 | 武汉讯华通信设备有限公司 | A kind of communication engineering optical cable installation termination draw-gear |
| CN210572906U (en) * | 2019-08-14 | 2020-05-19 | 宁波盈谷电子科技有限公司 | Optical cable convenient to pull |
| CN211014744U (en) * | 2019-12-12 | 2020-07-14 | 贵州瑞凯通信科技有限公司 | Optical cable traction chuck structure for communication engineering |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487654A (en) * | 2019-08-20 | 2019-11-22 | 深圳市铠盛通光电科技有限公司 | Special despatch fiber optic cable twist test system |
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