CN213091979U

CN213091979U - Connecting device for connecting optical cable and traction rope

Info

Publication number: CN213091979U
Application number: CN202022397805.8U
Authority: CN
Inventors: 刘燕; 李合笃; 亓伟; 亓鹏; 王长斌
Original assignee: Shandong Xicheng Electric Power Construction Co ltd
Current assignee: Shandong Xicheng Electric Power Construction Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-04-30
Anticipated expiration: 2030-10-24

Abstract

The utility model relates to a connecting device of connecting optical cable and haulage rope belongs to the technical field that optical cable and haulage rope are connected, and it includes first change, second change, connecting portion and centre gripping subassembly, first change can dismantle with the haulage rope and be connected, the second change can dismantle with the optical cable and be connected, the centre gripping subassembly sets up on the second change to be used for pressing from both sides the optical cable tightly, the second change passes through connecting portion with first change and rotates to be connected. When the optical cable is paved, the optical cable is connected with the second rotating ring after the pulling rope is connected with the first rotating ring, the clamping assembly is started, the optical cable is clamped tightly by the clamping assembly, and when the pulling rope rotates, the first rotating ring rotates relative to the second rotating ring, so that the rotation of the second rotating ring can not be driven, the rotation of the optical cable can not be driven, and the core breaking rate of the optical cable is reduced.

Description

Connecting device for connecting optical cable and traction rope

Technical Field

The application relates to the field of connection of optical cables and hauling ropes, in particular to a connecting device for connecting optical cables and hauling ropes.

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.

SUMMERY OF THE UTILITY MODEL

In order to reduce the broken core rate of the optical cable, the application provides a connecting device for connecting the optical cable and a traction rope.

The application provides a connecting device of connecting optical cable and haulage rope adopts following technical scheme:

the utility model provides a connecting device of connecting optical cable and haulage rope, includes first change, second change, connecting portion and centre gripping subassembly, first change can dismantle with the haulage rope and be connected, the second change can dismantle with the optical cable and be connected, the centre gripping subassembly sets up on the second change to be used for pressing from both sides the optical cable tight, the second change passes through connecting portion rotation with first change and is connected.

Through adopting above-mentioned technical scheme, when laying the facility to the optical cable, make the haulage rope be connected the back with first change, be connected optical cable and second change, start the centre gripping subassembly, the centre gripping subassembly presss from both sides the optical cable tightly, and when the haulage rope rotated, first change rotated for the second change, consequently can not drive the rotation of second change to can not drive the rotation of optical cable, consequently reduced the disconnected core rate of optical cable.

Optionally, the connecting portion include pivot and stop nut, set up on the second swivel along its radial mounting hole, the one end and the first swivel fixed connection of pivot, the other end wear to arrange in the mounting hole and rotate with the second swivel and be connected, stop nut has two, two stop nut all with the coaxial threaded connection of pivot to arrange the inside and outside both sides of second swivel respectively in.

Through adopting above-mentioned technical scheme, when the haulage rope drove first swivel and rotates, the pivot rotated with the second swivel and is connected to can not drive the rotation of second swivel, two stop nuts carry on spacingly to the position of pivot.

Optionally, the cover is equipped with the butt plate on the haulage rope, set up on the first change along its radial mounting hole, set up the standing groove on the butt plate, the one end joint of haulage rope is in the standing groove, be fixed with the inserted bar on the butt plate, the spliced hole has been seted up on the first change, the inserted bar passes the spliced hole and arranges in the mounting hole, the coaxial threaded connection of inserted bar has lock nut, lock nut and mounting hole inner wall butt.

Through adopting above-mentioned technical scheme, when installing first change ring, locate the haulage rope with the butt plate cover on, then with the one end joint of haulage rope in the standing groove, then make butt plate and first change ring butt for the mounting hole is arranged in to the inserted link, then screws up lock nut, thereby makes butt plate lock on first change ring.

Optionally, the clamping assembly includes a clamping tube, two clamping plates and a locking portion, the clamping tube is fixedly connected to the second rotary ring, the optical cable passes through the clamping tube and penetrates through the second rotary ring, the two clamping plates are symmetrically arranged about the axis of the clamping tube and are hinged to the outer wall of the clamping tube, and the locking portion is arranged on the clamping tube and used for locking the clamping plate.

Through adopting above-mentioned technical scheme, after the optical cable worn to arrange in the second swivel in through the centre gripping pipe, rotate the grip block for the grip block presss from both sides the optical cable tightly, then starts locking portion, realizes the locking of grip block, thereby realizes being connected of optical cable and second swivel.

Optionally, the locking portion includes centre gripping nut, supporting rod, grip ring and connecting rod, the coaxial threaded connection of centre gripping nut and centre gripping pipe, the one end and the grip block of supporting rod are articulated, and the other end is articulated with the grip ring, the spout along its circumference is seted up to the clamping nut lower surface, the one end and the grip ring fixed connection of connecting rod, the other end slide in the spout, the grip ring is coaxial to be located on the centre gripping pipe.

Through adopting above-mentioned technical scheme, when the drive grip block was tight with the optical cable clamp, rotate the centre gripping nut, the centre gripping nut moves down to make the supporting rod drive the rotation of grip block, thereby make the grip block press from both sides the optical cable clamp tightly.

Optionally, a non-slip mat is fixed on one surface of the clamping plate, which is abutted to the optical cable.

Through adopting above-mentioned technical scheme, the purpose that sets up the slipmat is, increases the frictional force between grip block and the optical cable to improve the effect that the grip block pressed from both sides tight optical cable.

Optionally, the side walls at two ends of the diameter of the second rotating ring are provided with auxiliary clamping plates in a sliding manner, the auxiliary clamping plates slide in opposite directions or in a separated manner and are arranged in the second rotating ring, and the second rotating ring is provided with a driving piece which is used for driving the auxiliary clamping plates to slide.

Through adopting above-mentioned technical scheme, wear to arrange in the second swivel in the optical cable to the grip block presss from both sides tight back with the optical cable, starts the driving piece, and the relative slip of two supplementary splint of driving piece drive makes supplementary splint press from both sides the optical cable tightly, thereby further strengthens the fastening between optical cable and the second swivel.

Optionally, the driving piece is two actuating levers, two the actuating lever is equallyd divide and is do not with two auxiliary splint fixed connection to all be connected with the second change, two equal coaxial threaded connection has two drive nuts on the actuating lever, two drive nut can respectively with the second change the interior lateral wall butt of ring.

Through adopting above-mentioned technical scheme, when the supplementary splint of drive removed for drive nut breaks away from the second swivel, then the actuating lever slides, and after supplementary splint pressed from both sides the optical cable tightly, two drive nuts rotated for the inside and outside both sides wall butt of two drive nuts and second swivel, thereby realized the locking that the actuating lever slided.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first rotating ring and the second rotating ring are rotatably connected through the connecting part, so that when the traction rope rotates, the first rotating ring rotates relative to the second rotating ring, the second rotating ring cannot be driven to rotate, the optical cable cannot be driven to rotate, and the core breaking rate of the optical cable is reduced;

2. the clamping plate, the clamping pipe and the clamping nut are arranged, so that the rotation of the clamping plate is adjusted by rotating the clamping nut, and the optical cable is clamped by the clamping plate;

3. the purpose of the auxiliary clamp plate is to further enhance the tightness of the connection between the cable and the second swivel.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view showing the connection relationship between the traction rope and the first swivel ring.

Fig. 3 is a schematic view showing the overall structure of the clamping assembly on the second swivel.

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 placement groove; 130. a connecting portion; 131. a rotating shaft; 132. a limit nut; 200. an optical cable; 210. a second swivel; 211. a drive rod; 212. an auxiliary splint; 213. a drive nut; 300. a clamping assembly; 310. clamping the tube; 311. a clamping plate; 312. a non-slip mat; 320. a locking portion; 321. clamping the nut; 322. a clamp ring; 323. a connecting rod; 324. a chute; 325. a clamping rod; 400. and (7) installing holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a connecting device for connecting an optical cable and a traction rope.

Referring to fig. 1, the apparatus for connecting an optical cable and a pulling rope includes a first swivel 110, a second swivel 210 and a connecting portion 130, and the first swivel 110 and the second swivel 210 are both provided with mounting holes 400 along a radial direction thereof. The first swivel 110 is removably attachable to the pull cord 100 and the second swivel 210 is removably attachable to the fiber optic cable 200. The second rotary ring 210 is provided with a clamping assembly 300, the clamping assembly 300 is used for clamping the optical cable 200, and the second rotary ring 210 is rotatably connected with the first rotary ring 110 through the connecting part 130.

Referring to fig. 2, in order to detachably connect the traction rope 100 and the first rotating ring 110, a circular abutting plate 120 is sleeved on the traction rope 100, a placing groove 123 is formed in an end face of the abutting plate 120, and one end of the traction rope 100 is clamped in the placing groove 123. Two insertion rods 121 are welded on the abutting plate 120, an insertion hole is formed in the first rotating ring 110, and after the abutting plate 120 abuts against the first rotating ring 110, one end, far away from the abutting plate 120, of each insertion rod 121 penetrates through the insertion hole and is arranged in the mounting hole 400. A locking nut 122 is coaxially screwed to the insertion rod 121, and the locking nut 122 abuts against the inner wall of the mounting hole 400, so that the abutting plate 120 is locked to the first rotary ring 110.

Referring to fig. 3, the connection portion 130 includes a rotation shaft 131, one end of the rotation shaft 131 is fixedly connected to the first rotation ring 110, and the other end of the rotation shaft passes through the second rotation ring 210 and is rotatably connected to the second rotation ring 210 through a bearing. Two limit nuts 132 are coaxially and threadedly connected to the rotating shaft 131, and the two limit nuts 132 are respectively arranged on the inner side and the outer side of the second rotating ring 210 and are abutted against the end surface of the bearing inner ring.

A driving member is arranged in the second rotary ring 210, the driving member is two driving rods 211, and the two driving rods 211 are connected in a sliding manner along the radial direction of the second rotary ring 210 and are located at two ends of the diameter of the second rotary ring 210. The two driving rods 211 penetrate through the second rotary ring 210, and are welded with auxiliary clamping plates 212 at one ends, and the two auxiliary clamping plates 212 can clamp the optical cable 200 penetrating through the second rotary ring 210. The two driving rods 211 are coaxially and threadedly connected with two driving nuts 213, and the two driving nuts 213 can be respectively abutted against the inner and outer side walls of the second rotating ring 210.

The clamping assembly 300 includes a clamping tube 310, the clamping tube 310 being welded to the second swivel 210 and coaxial with the second swivel 210. Four clamping plates 311 evenly distributed along the circumferential direction of the clamping tube 310 are hinged to the clamping tube, and anti-slip pads 312 are bonded to the surfaces, abutted to the optical cable 200, of the four clamping plates 311 so as to increase the friction force between the two. A locking portion 320 is provided on the clamp tube 310, and the locking portion 320 is used for locking the four clamp plates 311.

The locking portion 320 includes a clamping nut 321 and a clamping ring 322, and the clamping nut 321 is coaxially screw-coupled with the clamping tube 310. The clamping ring 322 is coaxially sleeved on the clamping tube 310, and has a connecting rod 323 welded to the upper end surface thereof, an annular sliding groove 324 is formed in the lower end surface of the clamping nut 321, and one end of the connecting rod 323 away from the clamping ring 322 slides in the sliding groove 324. Four clamping rods 325 are hinged to the lower surface of the clamping ring 322, and one ends of the four clamping rods 325, which are far away from the clamping ring 322, are hinged to the clamping plate 311 respectively.

The implementation principle of the connecting device for connecting the optical cable and the pulling rope in the embodiment of the application is as follows: when the optical cable 200 is pulled, the abutting plate 120 is sleeved on the pulling rope 100, so that one end of the pulling rope 100 is clamped in the placing groove 123, then the abutting plate 120 abuts against the first rotating ring 110, the inserting rod 121 penetrates through the inserting hole, then the locking nut 122 is screwed, and the locking nut 122 locks the abutting plate 120 on the first rotating ring 120;

then, the optical cable 200 is inserted into the second rotary ring 210 through the clamping tube 310, and then the clamping nut 321 is rotated, the clamping nut 321 drives the clamping ring 322 to move downwards, so that the clamping rod 325 drives the clamping plate 311 to rotate, and the clamping plate 311 clamps the optical cable 200;

then, the sliding of the driving rod 211 is driven, so that the auxiliary clamping plate 212 clamps the optical cable 200, and then the two driving nuts 213 are rotated, so that the two driving nuts 213 are abutted against the inner and outer side walls of the second rotating ring 210, thereby realizing the locking of the sliding of the driving rod 211.

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

1. The utility model provides a connecting device of connecting optical cable and haulage rope which characterized in that: including first swivel (110), second swivel (210), connecting portion (130) and centre gripping subassembly (300), first swivel (110) can be dismantled with haulage rope (100) and be connected, second swivel (210) can be dismantled with optical cable (200) and be connected, centre gripping subassembly (300) set up on second swivel (210) to be used for pressing from both sides optical cable (200) tight, second swivel (210) and first swivel (110) are connected through connecting portion (130) rotation.

2. The apparatus for connecting an optical cable to a pulling rope according to claim 1, wherein: connecting portion (130) are including pivot (131) and stop nut (132), seted up on second swivel (210) along its radial mounting hole (400), the one end and first swivel (110) fixed connection of pivot (131), the other end is arranged in mounting hole (400) and is rotated with second swivel (210) and be connected, stop nut (132) have two, two stop nut (132) all with pivot (131) coaxial thread connection to arrange the inside and outside both sides of second swivel (210) respectively in.

3. The apparatus for connecting an optical cable to a pulling rope according to claim 2, wherein: the cover is equipped with butt plate (120) on haulage rope (100), seted up on first change (110) along its radial mounting hole (400), standing groove (123) have been seted up on butt plate (120), the one end joint of haulage rope (100) is in standing groove (123), be fixed with peg graft pole (121) on butt plate (120), the spliced eye has been seted up on first change (110), peg graft pole (121) pass the spliced eye and arrange mounting hole (400) in, peg graft pole (121) coaxial threaded connection has lock nut (122), lock nut (122) and mounting hole (400) inner wall butt.

4. A device for connecting a fiber optic cable to a pull cord as claimed in claim 3, wherein: the clamping assembly (300) comprises a clamping pipe (310), a clamping plate (311) and a locking portion (320), the clamping pipe (310) is fixedly connected with the second rotating ring (210), the optical cable (200) penetrates through the clamping pipe (310) and penetrates into the second rotating ring (210), the clamping plate (311) is at least two, the clamping plate is symmetrically arranged relative to the axis of the clamping pipe (310) and hinged to the outer wall of the clamping pipe (310), and the locking portion (320) is arranged on the clamping pipe (310) and used for locking the clamping plate (311).

5. The apparatus of claim 4, wherein: locking portion (320) includes clamping nut (321), holding rod (325), grip ring (322) and connecting rod (323), clamping nut (321) and centre gripping pipe (310) coaxial threaded connection, the one end and grip block (311) of holding rod (325) are articulated, and the other end is articulated with grip ring (322), spout (324) along its circumference are seted up to clamping nut (321) lower surface, the one end and grip ring (322) fixed connection of connecting rod (323), the other end slide in spout (324), grip ring (322) coaxial cover is located on the centre gripping pipe (310).

6. The apparatus of claim 5, wherein: and a non-slip pad (312) is fixed on one surface of the clamping plate (311) which is abutted against the optical cable (200).

7. The apparatus of claim 6, wherein: the side walls at two ends of the diameter of the second rotating ring (210) are provided with auxiliary clamping plates (212) in a sliding mode, the auxiliary clamping plates (212) slide in opposite directions or in opposite directions and are arranged in the second rotating ring (210), and the second rotating ring (210) is provided with a driving piece which is used for driving the auxiliary clamping plates (212) to slide.

8. The apparatus for connecting a fiber optic cable to a pull cord of claim 7, wherein: the driving piece is two actuating levers (211), two actuating levers (211) are equallyd divide respectively with two supplementary splint (212) fixed connection to all slide with second change (210) and be connected, two equal coaxial threaded connection has two drive nut (213) on actuating lever (211), two drive nut (213) can respectively with second change (210) inside and outside lateral wall butt.