CN219512454U

CN219512454U - ADSS optical cable capable of preventing cross wind vibration

Info

Publication number: CN219512454U
Application number: CN202320715379.9U
Authority: CN
Inventors: 周翌东; 邱伟丰; 周吉祥
Original assignee: Jiangsu Yurong Photoelectric Technology Co ltd
Current assignee: Jiangsu Yurong Photoelectric Technology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-11
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses an ADSS optical cable capable of preventing cross wind vibration, which provides a buffer effect through a vibration-proof connecting mechanism to resist deflection of an optical cable body and reduce the vibration amplitude and vibration frequency of the optical cable close to a stringing tower, thereby reducing the damage probability of the optical cable. The key points of the technical scheme are as follows: the ADSS optical cable for preventing cross wind vibration comprises an optical cable body and also comprises an anti-vibration connecting mechanism, wherein the anti-vibration connecting mechanism is arranged at the connecting end of the optical cable body and the wire-erecting tower, and the optical cable body is connected with the wire-erecting tower through the anti-vibration connecting mechanism; the vibration-proof connecting mechanism comprises at least one group of vibration-proof connecting components, each vibration-proof connecting component comprises a fixed sleeve, a connecting retaining ring and a buffer connecting structure, the fixed sleeve is sleeved on the optical cable body, a cable penetrating hole for the optical cable body to penetrate through is formed in the middle of the connecting retaining ring, and the inner wall of the cable penetrating hole is connected with the fixed sleeve through the buffer connecting structure.

Description

ADSS optical cable capable of preventing cross wind vibration

Technical Field

The utility model relates to an ADSS optical cable, in particular to an ADSS optical cable capable of preventing cross wind vibration.

Background

An ADSS cable (All-dielectric Self-supporting cable), also known as an All-dielectric Self-supporting cable, is a nonmetallic cable that is composed entirely of dielectric materials, contains the necessary support system itself, and can be directly suspended on an overhead line tower. The ADSS optical cable is mainly used for communication routes of overhead high-voltage transmission systems, can also be used for communication routes under overhead laying environments such as lightning multiple zones, large spans and the like, has AT and PE sheaths, and is suitable for different voltage levels. ADSS optical cables are generally hung on the inner side of a power conductor along a power transmission line independently (the hanging position is mainly determined according to factors such as electric field intensity, ground distance, construction and maintenance convenience and the like at a hanging position, and currently, the ADSS optical cables are hung below the power conductor in many cases) so as to form an optical fiber communication network on the power transmission line. When the ground wires are erected on the power transmission line and the residual service life is quite long, the optical cable system needs to be built as soon as possible with low installation cost, and on the premise of avoiding power failure operation and the like, the ADSS optical cable has great advantages.

ADSS optical cable generally erects on higher electric power iron tower (i.e. overhead line tower), runs into intensity great crosswind easily, when running into the crosswind, the connection part of ADSS optical cable and overhead line tower takes place comparatively violently to deviate the vibration, easily leads to optical cable fatigue, broken strand and gold utensil and shaft tower component damage, influences normal signal transmission. Therefore, how to reduce vibration of the ADSS cable at the junction with the tower becomes a problem to be solved in the art.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and provides an ADSS optical cable for preventing cross wind vibration, which provides a buffer effect through a vibration-proof connecting mechanism to resist deflection of an optical cable body and reduce the amplitude and vibration frequency of the optical cable close to an overhead line tower, thereby reducing the damage probability of the optical cable.

In order to achieve the above object, the present utility model adopts the following technical scheme:

the ADSS optical cable for preventing cross wind vibration comprises an optical cable body and also comprises an anti-vibration connecting mechanism, wherein the anti-vibration connecting mechanism is arranged at the connecting end of the optical cable body and the wire-erecting tower, and the optical cable body is connected with the wire-erecting tower through the anti-vibration connecting mechanism; the vibration-proof connecting mechanism comprises at least one group of vibration-proof connecting components, each vibration-proof connecting component comprises a fixed sleeve, a connecting retaining ring and a buffer connecting structure, the fixed sleeve is sleeved on the optical cable body, a cable penetrating hole for the optical cable body to penetrate through is formed in the middle of the connecting retaining ring, and the inner wall of the cable penetrating hole is connected with the fixed sleeve through the buffer connecting structure.

Further preferably, the buffer connection structure comprises a plurality of tension springs, the tension springs are circumferentially distributed on the periphery of the fixed sleeve at equal angles, two ends of each tension spring are respectively connected with the inner wall of the cable through hole and the fixed sleeve, and the central axis of each tension spring penetrates through the axis of the fixed sleeve.

Further preferably, the outside of the optical cable body is provided with a spiral wrapping part, the spiral wrapping part is positioned at the connecting end of the optical cable body, which is close to the wire erection tower, the spiral wrapping part is formed by a plurality of metal wires or nonmetal wires in a side-by-side spiral surrounding mode, the fixed sleeve is sleeved outside the spiral wrapping part, and a fixed filler is arranged between the inner side of the fixed sleeve and the spiral wrapping part.

Further preferably, the vibration-proof connecting mechanism comprises a plurality of groups of vibration-proof connecting assemblies, a plurality of first reinforcing ropes are arranged between the connecting retaining rings in each vibration-proof connecting assembly, the first reinforcing ropes sequentially penetrate through and fixedly connect each connecting retaining ring, and all the first reinforcing ropes are parallel to the axle center of the fixed sleeve and evenly distributed around the axle center of the fixed sleeve.

Further preferably, the vibration-proof connection mechanism further comprises an end connection assembly and a transition connection assembly, wherein the end connection assembly is arranged at the end part of the optical cable body relative to the vibration-proof connection assembly, and the transition connection assembly is positioned between the end connection assembly and the vibration-proof connection assembly; the end connection assembly comprises an end retention ring, a fixed sleeve and a buffer connection structure, wherein the outer diameter of the end retention ring is larger than that of the connection retention ring; the transition connecting assembly comprises a transition retaining ring, a fixed sleeve and a buffer connecting structure, wherein the outer diameter of the transition retaining ring is between the end retaining ring and the connection retaining ring, and the end retaining ring and the transition retaining ring are respectively provided with a cable penetrating hole with the same hole diameter as the connection retaining ring.

Further preferably, a plurality of first reinforcing ropes are arranged between the connecting retaining ring and the transition retaining ring which are closest to the end part of the optical cable body, a plurality of first reinforcing ropes and a plurality of second reinforcing ropes are arranged between the transition retaining ring and the end retaining ring, the second reinforcing ropes sequentially penetrate through and fixedly connect the transition retaining ring and the end retaining ring, all the second reinforcing ropes are parallel to the axis of the fixed sleeve, the second reinforcing ropes are uniformly distributed around the axis of the fixed sleeve on the periphery of the first reinforcing ropes, and the first reinforcing ropes and the second reinforcing ropes extend out of the end retaining ring and are fixedly connected to the overhead line tower.

Further preferably, the head retaining ring is further provided with a plurality of reinforcing cables for reinforcing connection firmness with the overhead line tower.

Further preferably, the periphery of the fixed sleeve is provided with a plurality of fixed rings, each fixed ring is correspondingly provided with a tension spring, one end of each tension spring is fixedly connected with the inner wall of the cable penetrating hole, the other end of each tension spring is provided with a hook, and the tension springs hook the fixed rings through the hooks to achieve connection with the fixed sleeve.

Compared with the prior art, the ADSS optical cable for preventing cross wind vibration has the following beneficial effects:

1. ADSS optical cable body is through a plurality of tension springs and the overhead line tower indirect connection of circumference distribution, and a plurality of tension springs produce the trend of pulling of a plurality of directions to optical cable body, form the cushioning effect, when meetting the crosswind, optical cable body produces the swing trend of a direction, and the spring of opposite side then can produce the pulling to optical cable body to the swing trend of antagonism optical cable body, thereby slows down the vibration of optical cable body, and optical cable body and overhead line tower's link damages because of the vibration is excessive.

2. Adopt spiral parcel portion parcel optical cable body, play guard action to the optical cable body, avoid fixed sleeve edge extrusion to damage the optical cable body to a certain extent, and have fixed filler between fixed sleeve and the spiral parcel portion, can imbed in the intensive gap of spiral parcel portion, promote fixed fastness, avoid fixed sleeve to slip on the optical cable body.

3. The optical cable body is provided with a plurality of groups of anti-vibration connecting assemblies and is connected through the reinforcing rope, so that the connection firmness is improved, the vibration reduction range of the optical cable body is also improved, and the vibration reduction effect is further improved; the end connection assembly and the transition connection assembly are arranged at the connection part of the vibration-proof connecting mechanism and the overhead line tower, and the overhead line tower is connected through the reinforcing ropes with more reinforcing ropes, so that the load strength of the vibration-proof connecting mechanism can be further improved.

Drawings

Fig. 1 is a schematic diagram of an embodiment of an ADSS cable of the present utility model for preventing cross wind vibration.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a side view of the present embodiment.

Fig. 4 is a schematic cross-sectional view of the vibration-resistant connection assembly of the present embodiment.

Reference numerals: 1. an optical cable body; 10. a spiral wrap; 11. fixing the filler; 2. an anti-vibration connection assembly; 20. fixing the sleeve; 200. a fixing ring; 21. connecting a retention ring; 210. a cable hole; 22. a tension spring; 3. an end connection assembly; 30. an end retention ring; 4. a transition connection assembly; 40. a transition retention ring; 5. a first reinforcement cable; 6. a second reinforcement cable; 7. reinforcing the stay rope.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The ADSS optical cable for preventing cross wind vibration as shown in fig. 1 to 4 comprises an optical cable body 1, and further comprises an anti-vibration connecting mechanism, wherein the anti-vibration connecting mechanism is arranged at the connecting end of the optical cable body 1 and a wire-erecting tower, the optical cable body 1 is connected with the wire-erecting tower through the anti-vibration connecting mechanism, and the anti-vibration connecting mechanism comprises three groups of anti-vibration connecting assemblies 2, one group of end connecting assemblies 3 and one group of transition connecting assemblies 4. The anti-vibration connection assembly 2 comprises a fixed sleeve 20, a connection retaining ring 21 and a buffer connection structure, the fixed sleeve 20 is sleeved on the optical cable body 1, a cable through hole 210 for the optical cable body 1 to pass through is formed in the middle of the connection retaining ring 21, and the inner wall of the cable through hole 210 is connected with the fixed sleeve 20 through the buffer connection structure.

Five fixed rings 200 are arranged on the periphery of the fixed sleeve 20, the five fixed rings 200 are arranged around the axis of the fixed sleeve 20 at equal angles, the buffer connection structure comprises five tension springs 22, each fixed ring 200 is correspondingly provided with one tension spring 22, one end of each tension spring 22 is fixedly connected with the inner wall of the cable penetrating hole 210, the other end of each tension spring 22 is provided with a hook, the tension springs 22 hook the fixed rings 200 through the hooks to achieve connection with the fixed sleeve 20, and the central axis of each tension spring 22 penetrates through the axis of the fixed sleeve 20.

The outside of the optical cable body 1 is provided with a spiral wrapping part 10, the spiral wrapping part 10 is positioned at the connecting end of the optical cable body 1, which is close to the wire erection tower, the spiral wrapping part 10 is formed by a plurality of stainless steel wires spirally wound side by side, a fixed sleeve 20 is sleeved outside the spiral wrapping part 10, the inner side of the fixed sleeve 20 and the front of the spiral wrapping part 10 are provided with fixed fillers 11, and the fixed fillers 11 are acrylate structural adhesives.

A plurality of first reinforcing ropes 5 are arranged between the connecting and retaining rings 21 in each anti-vibration connecting assembly 2, the first reinforcing ropes 5 sequentially penetrate through and are fixedly connected with each connecting and retaining ring 21, and all the first reinforcing ropes 5 are parallel to the axis of the fixed sleeve 20 and evenly distributed around the axis of the fixed sleeve 20.

The end connection assembly 3 is arranged at the end part of the optical cable body 1 relative to the anti-vibration connection assembly 2, and the transition connection assembly 4 is positioned between the end connection assembly 3 and the anti-vibration connection assembly 2; the end connecting assembly 3 comprises an end retaining ring 30, a fixed sleeve 20 and a buffer connecting structure, wherein the outer diameter of the end retaining ring 30 is larger than that of the connecting retaining ring 21; the transition connection assembly 4 comprises a transition retention ring 40, a fixed sleeve 20 and a buffer connection structure, wherein the outer diameter of the transition retention ring 40 is between the end retention ring 30 and the connection retention ring 21, and the end retention ring 30 and the transition retention ring 40 are respectively provided with a cable penetrating hole 210 with the aperture of the connection retention ring 21 being consistent.

A plurality of first reinforcing ropes 5 are arranged between the connecting retaining ring 21 and the transition retaining ring 40 which are closest to the end part of the optical cable body 1, a plurality of first reinforcing ropes 5 and a plurality of second reinforcing ropes 6 are arranged between the transition retaining ring 40 and the end retaining ring 30, the second reinforcing ropes 6 sequentially penetrate through and fixedly connect the transition retaining ring 40 and the end retaining ring 30, all the second reinforcing ropes 6 are parallel to the axis of the fixed sleeve 20, the second reinforcing ropes 6 are uniformly distributed around the axis of the fixed sleeve 20 on the periphery of the first reinforcing ropes 5, the end retaining ring 30 is further provided with a plurality of reinforcing ropes 7 used for reinforcing the connection firmness with the overhead line tower, and the reinforcing ropes 7, the first reinforcing ropes 5 and the second reinforcing ropes 6 extend out of the end retaining ring 30 and are fixedly connected to the overhead line tower.

The above-described technical solution is a preferred embodiment of the present utility model, and it should be understood that those skilled in the art may make several modifications and improvements without departing from the principles of the present utility model, and these should also be considered as the protection scope of the present utility model.

Claims

1. ADSS optical cable of cross wind vibration is prevented, including optical cable body (1), its characterized in that: the optical cable is characterized by further comprising an anti-vibration connecting mechanism, wherein the anti-vibration connecting mechanism is arranged at the connecting end of the optical cable body (1) and the wire-erecting tower, and the optical cable body (1) is connected with the wire-erecting tower through the anti-vibration connecting mechanism; the vibration-proof connecting mechanism comprises at least one group of vibration-proof connecting components (2), the vibration-proof connecting components (2) comprise a fixed sleeve (20), a connecting retaining ring (21) and a buffer connecting structure, the fixed sleeve (20) is sleeved on the optical cable body (1), a cable penetrating hole (210) for the optical cable body (1) to penetrate through is formed in the middle of the connecting retaining ring (21), and the inner wall of the cable penetrating hole (210) is connected with the fixed sleeve (20) through the buffer connecting structure.

2. An ADSS optical cable for preventing cross wind vibration according to claim 1, wherein: the buffering connection structure comprises a plurality of tension springs (22), the tension springs (22) are circumferentially distributed on the periphery of the fixed sleeve (20) at equal angles, two ends of each tension spring (22) are respectively connected with the inner wall of the cable through hole (210) and the fixed sleeve (20), and the central axis of each tension spring (22) penetrates through the axis of the corresponding fixed sleeve (20).

3. An ADSS optical cable for preventing cross wind vibration according to claim 1, wherein: the optical cable body (1) outside is equipped with spiral parcel portion (10), spiral parcel portion (10) are located optical cable body (1) and are close to the link of overhead line tower, and spiral parcel portion (10) are formed by a plurality of wires or non-wire spiral side by side encircleing, fixed sleeve (20) cover is established in spiral parcel portion (10) outside, is equipped with fixed filler (11) before fixed sleeve (20) inboard and spiral parcel portion (10).

4. An ADSS optical cable for preventing cross wind vibration according to claim 1, wherein: the vibration-proof connecting mechanism comprises a plurality of groups of vibration-proof connecting assemblies (2), a plurality of first reinforcing ropes (5) are arranged between connecting retaining rings (21) in each vibration-proof connecting assembly (2), each connecting retaining ring (21) is sequentially penetrated and fixedly connected by the first reinforcing ropes (5), and all the first reinforcing ropes (5) are parallel to the axle center of the fixed sleeve (20) and evenly distributed around the axle center of the fixed sleeve (20).

5. An ADSS cable for preventing cross wind vibration according to claim 4, wherein: the vibration-proof connecting mechanism further comprises an end connecting assembly (3) and a transition connecting assembly (4), wherein the end connecting assembly (3) is arranged at the end part of the optical cable body (1) relative to the vibration-proof connecting assembly (2), and the transition connecting assembly (4) is positioned between the end connecting assembly (3) and the vibration-proof connecting assembly (2); the end connection assembly (3) comprises an end retention ring (30), a fixed sleeve (20) and a buffer connection structure, wherein the outer diameter of the end retention ring (30) is larger than that of the connection retention ring (21); the transition connection assembly (4) comprises a transition retention ring (40), a fixed sleeve (20) and a buffer connection structure, wherein the outer diameter of the transition retention ring (40) is between the end head retention ring (30) and the connection retention ring (21), and the end head retention ring (30) and the transition retention ring (40) are respectively provided with a cable penetrating hole (210) with the same aperture as the connection retention ring (21).

6. An ADSS cable for preventing cross wind vibration according to claim 5, wherein: a plurality of first reinforcement ropes (5) are arranged between a connecting retaining ring (21) and a transition retaining ring (40) which are closest to the end part of the optical cable body (1), a plurality of first reinforcement ropes (5) and a plurality of second reinforcement ropes (6) are arranged between the transition retaining ring (40) and the end retaining ring (30), the second reinforcement ropes (6) sequentially penetrate through and fixedly connect the transition retaining ring (40) and the end retaining ring (30), all the second reinforcement ropes (6) are parallel to the axis of the fixed sleeve (20), the second reinforcement ropes (6) are uniformly distributed on the periphery of the first reinforcement ropes (5) around the axis of the fixed sleeve (20), and the first reinforcement ropes (5) and the second reinforcement ropes (6) are all extended out of the end retaining ring (30) and fixedly connected to the wire-lifting tower.

7. An ADSS cable for preventing cross wind vibration according to claim 6, wherein: the end head retaining ring (30) is also provided with a plurality of reinforcing inhaul cables (7) for reinforcing the connection firmness with the wire erecting tower.

8. An ADSS optical cable for preventing cross wind vibration according to claim 2, wherein: the periphery of fixed sleeve (20) is equipped with a plurality of solid fixed rings (200), and every solid fixed ring (200) corresponds to be provided with a tension spring (22), and tension spring (22) one end fixed connection is threaded hole (210) inner wall, and the other end is provided with the couple, and tension spring (22) are hooked solid fixed ring (200) through the couple and are realized being connected with fixed sleeve (20).