CN210516309U

CN210516309U - New forms of energy aerial [ insulated ] cable

Info

Publication number: CN210516309U
Application number: CN201921612010.5U
Authority: CN
Inventors: 刘利春; 张集汇
Original assignee: Individual
Current assignee: Shanghai Wempe Gradually Cable Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-05-12
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a new forms of energy aerial [ insulated ] cable, its characterized in that: comprises a cable, a flame-retardant unit and a fixing unit; cable conductor: the four cables are arranged in a ring array, the inner sides enclosed by the four cables are provided with fixing units, and the outer sides of the cables are connected with flame-retardant units; a fixing unit: the fixing unit comprises reinforcing ribs, a main steel cable and a winding layer, the main steel cable is arranged on the inner side surrounded by the four cables, the winding layer is fixedly sleeved on the outer surface of the main steel cable, and the reinforcing ribs wound in an annular shape are fixedly sleeved on the outer side of the winding layer; the further enhancement protection of main steel cable can be set up through the outward appearance at main steel cable to the winding layer, at the outside annular winding strengthening rib on winding layer, can improve main steel cable atress upper limit and increase the bearing capacity. This new forms of energy aerial [ insulated ] cable line is favorable to the heat dissipation, and the electric power transmission influence is less, is equipped with protection device, and intensity is high, and the wearability is good.

Description

New forms of energy aerial [ insulated ] cable

Technical Field

The utility model relates to the technical field of cables, specifically be a new forms of energy overhead cable line.

Background

With the increasing emphasis on protecting the ecological environment and the health of human beings, higher and more comprehensive requirements are put forward on the safety performance of the cable. Due to the transmission requirement, most cables cannot be sleeved in pipelines and installed underground or in buildings, but need to be erected in the air, and the overhead cables are easily damaged and influence safety due to the influences of weather changes, environmental influences, self weight, erection modes and the like. Factors influencing the safety factor are many, such as the stress of a suspension point is greater than the stress at the lowest point of the sag, the stress needs to be increased for compensating initial elongation, additional stress is generated during vibration, the strength of an overhead line is reduced after strand breakage, the strength is reduced due to corrosion and extrusion damage, errors in design and construction are avoided, and the like, and the overhead cable comprises a conductor, a cable core consisting of an insulating layer, a polyolefin filling layer and an outer sheath layer; the insulating layer conductor is wrapped outside the conductor to form cable cores, polyolefin filling layers are filled between the cable cores to be wrapped to form a cable, and the cable is wrapped by the outer sheath layer; the outer surface of the outer sheath layer is provided with a groove formed by an arc-shaped groove and a circular reinforcing rib, and the depth of the groove is 2-5mm, preferably 3 mm. This aerial [ insulated ] cable is unfavorable for the heat dissipation, and it is great to power transmission influence, does not have protection device, and intensity is low, and wear resistance is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a new forms of energy aerial [ insulated ] cable line, be favorable to the heat dissipation, electric power transmission influences lessly, is equipped with protection device, and intensity is high, and the wearability is good, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a new forms of energy aerial [ insulated ] cable which characterized in that: comprises a cable, a flame-retardant unit and a fixing unit;

cable conductor: the four cables are arranged in a ring array, the inner sides enclosed by the four cables are provided with fixing units, and the outer sides of the cables are connected with flame-retardant units;

a fixing unit: the fixing unit comprises reinforcing ribs, a main steel cable and a winding layer, the main steel cable is arranged on the inner side surrounded by the four cables, the winding layer is fixedly sleeved on the outer surface of the main steel cable, and the reinforcing ribs wound in an annular shape are fixedly sleeved on the outer side of the winding layer; the further enhancement protection of main steel cable can be set up through the outward appearance at main steel cable to the winding layer, at the outside annular winding strengthening rib on winding layer, can improve main steel cable atress upper limit and increase the bearing capacity.

A flame-retardant unit: the flame-retardant unit comprises a flame-retardant outer wall, a partition plate, heat-dissipating oil, an outer slide way, an inner slide way, a flame retardant and a flame-retardant inner wall, wherein the flame-retardant inner wall is arranged inside the flame-retardant outer wall, the outer surface of the flame-retardant inner wall is fixedly connected with the inner slide way, the inner slide way is arranged in an annular array, the inner surface of the flame-retardant outer wall is fixedly connected with the outer slide way, the outer slide way is arranged in nine pieces, the outer slide way is respectively arranged corresponding to the inner slide way on the flame-retardant inner wall, two ends of the partition plate are respectively clamped with the outer slide way and the inner slide way, the partition plate divides the area between the flame-retardant inner wall and the flame-; the outside of four cable conductors is provided with fire-retardant unit, can be with the regional division of fire-retardant inner wall and fire-retardant outer wall into fan-shaped cavity one by one through the baffle, fills fire retardant and heat dissipation oil respectively in two adjacent fan-shaped cavities, and further thermal giving off is favorable to, but also can prevent and treat unexpected burning.

Furthermore, the flame-retardant cable also comprises a steel wire winding, and the steel wire winding is fixedly sleeved on the outer surface of the flame-retardant outer wall. Through the steel wire winding, the heat of the heat dissipation oil can be transferred, the whole flame-retardant unit can be fixed, and the strength is further improved.

Further, the device also comprises a protection unit: the protection unit contains protective sheath, restraint layer and filling layer, the internal surface of protective sheath and the fixed surface of restraint layer are connected, the internal surface of restraint layer and the fixed surface of steel wire winding are connected with the filling layer. The setting of protective sheath can be isolated inside and outside environment, also plays the injury of the friction between cable and the electric wire frame in preventing wind to the cable conductor simultaneously.

Further, still include parcel layer and inside filling layer, the parcel layer is provided with four altogether, and this parcel layer cup joints the surface at every cable conductor respectively, be provided with inside filling layer in the cavity between parcel layer and the fire-retardant inner wall internal surface. Every cable conductor can be insulated each other in the setting of parcel layer, plays the emergence that prevents that the electric wire swing from causing the cable conductor friction to cause wearing and tearing simultaneously.

The end cover unit comprises a cavity cover, an end cover and fixing holes, the cavity cover is fixedly connected to the inner surface of the end cover, the cavity cover is in an annular array and corresponds to the fan-shaped cavity body, and the fixing holes are formed in the annular array on the end cover. The end cover can seal the two ends of the sector cavity, so that the flame-retardant unit and the end of the wire body can be fixed into a whole while the oxidation of the heat dissipation oil is prevented, and the subsequent installation is facilitated.

Furthermore, the cable tie further comprises a tie belt, wherein the tie belt is fixedly sleeved on a wrapping layer sleeved on the outer surfaces of the four cables, and the tie belt is arranged at intervals. The tightening belts arranged at intervals can enable the four cables to be tightly faced with the fixing unit, so that the positions of the cables are further stabilized.

Compared with the prior art, the beneficial effects of the utility model are that: this new forms of energy aerial [ insulated ] cable has following benefit:

1. the heat generated in the power transmission process can be timely dissipated through the arrangement of the heat dissipation oil cavity in the flame-retardant layer, the normal operation state of the cable is protected, the influence of heat accumulation on power transmission is reduced to the minimum, and the power transmission capacity of the cable is greatly improved.

2. The use of the flame retardant in the flame-retardant layer further sets passive safety measures, so that the accident rate is further reduced, the safety is further improved, and the practicability of the flame-retardant flame.

3. This new forms of energy aerial [ insulated ] cable, inside is provided with the steel cable outside and is provided with the protection unit, makes the wearability and the intensity of steel cable higher, makes durability and security performance all be higher than the existing variety in market far away synthetically.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the end face structure of the present invention.

In the figure: the cable comprises a protection unit 1, a protection outer sleeve 11, a restraint layer 12, an external filling layer 13, a flame-retardant unit 2, a flame-retardant outer wall 21, a partition plate 22, heat dissipation oil 23, an external slide 24, an internal slide 25, a flame retardant 26, a flame-retardant inner wall 27, a fixing unit 3, a reinforcing rib 31, a main steel cable 32, a winding layer 33, a wrapping layer 4, a cable 5, an end cover unit 6, a cavity cover 61, an end cover 62, a fixing hole 63, a steel wire winding 7, a tightening belt 8 and an internal filling layer 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a new forms of energy aerial [ insulated ] cable which characterized in that: comprises a cable 5, a flame-retardant unit 2 and a fixing unit 3;

a cable 5: the number of the cables 5 is four, the cables 5 are in an annular array, the inner side enclosed by the four cables 5 is provided with a fixing unit 3, and the outer side of each cable 5 is connected with a flame-retardant unit 2;

the fixing unit 3: the fixing unit 3 comprises reinforcing ribs 31, a main steel cable 32 and a winding layer 33, the main steel cable 32 is arranged on the inner side surrounded by the four cables 5, the winding layer 33 is fixedly sleeved on the outer surface of the main steel cable 32, and the reinforcing ribs 31 wound in an annular shape are fixedly sleeved on the outer side of the winding layer 33; can be to the further enhancement protection of main steel cable 32 through the outward appearance setting winding layer 33 at main steel cable 32, at the outside annular winding strengthening rib 31 of winding layer 33, can improve main steel cable 32 atress upper limit and increase the bearing capacity, still including tightening belt 8, tightening belt 8 is fixed to be cup jointed on the parcel layer 4 that four cables 5 surfaces cup jointed, still include parcel layer 4 and inside filling layer 9, parcel layer 4 is provided with four altogether, and this parcel layer 4 cup joints the surface at every cable 5 respectively, be provided with inside filling layer 9 in the cavity between parcel layer 4 and the fire-retardant inner wall 27 internal surfaces. Every cable conductor 5 can be insulated each other in the setting of parcel layer 4, plays the emergence that prevents that the electric wire swing from causing the cable conductor 5 friction to cause wearing and tearing simultaneously. And the tightening bands 8 are arranged at intervals. The tightening belts 5 arranged at intervals can enable the four cables 5 to be tightly faced with the fixing unit 3, and further stabilize the position of the cables 5. Further comprising a protection unit 1: the protection unit 1 comprises a protection outer sleeve 11, a constraint layer 12 and a filling layer 43, wherein the inner surface of the protection outer sleeve 11 is fixedly connected with the outer surface of the constraint layer 12, and the inner surface of the constraint layer 12 is fixedly connected with the outer surface of the steel wire winding 7 through the filling layer 43. The protective casing 11 can isolate the internal environment from the external environment, and also can prevent the cable 5 from being damaged by the friction between the cable and the wire rack in the wind.

Flame retardant unit 2: the flame-retardant unit 2 comprises a flame-retardant outer wall 21, a partition plate 22, heat-dissipating oil 23, an outer slideway 24, an inner slideway 25, a flame retardant 26 and a flame-retardant inner wall 27, wherein the flame-retardant inner wall 27 is arranged inside the flame-retardant outer wall 21, the outer surface of the flame-retardant inner wall 27 is fixedly connected with the inner slideway 25, the inner slideway 25 is provided with nine annular arrays, the inner surface of the flame-retardant outer wall 21 is fixedly connected with the outer slideway 24, the outer slideway 24 is provided with nine outer slideways, the outer slideway 24 is respectively arranged corresponding to the inner slideway 25 on the flame-retardant inner wall 27, two ends of the partition plate 22 are respectively clamped with the outer slideway 24 and the inner slideway 25, the partition plate 22 divides the area between the flame-retardant inner wall 27 and the flame-retardant outer wall 21 into ten; the outside of four cable conductors 5 is provided with fire-retardant unit 2, can cut apart into fan-shaped cavity one by one through baffle 22 with the region between fire-retardant inner wall 27 and the fire-retardant outer wall 21, still includes end cover unit 6, and end cover unit 6 contains chamber lid 61, end cover 62 and fixed orifices 63, and the internal surface fixedly connected with chamber lid 61 of end cover 62, and this chamber lid 61 is that the annular array corresponds with fan-shaped cavity respectively, and the fixed orifices has been seted up to the annular array on the end cover 62. Still include steel wire winding 7, steel wire winding 7 is fixed to be cup jointed at the surface of fire-retardant outer wall 21. Through steel wire winding 7 not only can transmit the heat of heat dissipation oil 23, also can fix whole fire-retardant unit, further improved intensity end cover 62 and can sealed the both ends of fan-shaped cavity, prevented that the oxidation of heat dissipation oil also can make fire-retardant unit 2 fixed as an organic whole with the tip of the line body simultaneously, the subsequent installation of being convenient for. And the fire retardant 26 and the heat dissipation oil 23 are respectively filled in the two adjacent fan-shaped cavities, so that heat dissipation is further facilitated, and accidental combustion can be prevented and treated.

When in use:

the outer surface of the main steel cable 32 is provided with the winding layer 33 to further strengthen and protect the main steel cable 32, the outer annular winding reinforcing rib 31 of the winding layer 33 can improve the bearing capacity of the main steel cable 32 due to the upper limit of stress, the outer sides of the four cables 5 are provided with the flame-retardant units 2, the area between the flame-retardant inner wall 27 and the flame-retardant outer wall 21 can be divided into fan-shaped cavities through the partition plate 22, the two adjacent fan-shaped cavities are respectively filled with the flame retardant 26 and the heat dissipation oil 23, the heat dissipation is further facilitated, the accidental combustion can be prevented and controlled, the heat of the heat dissipation oil 23 can be transmitted through the steel wire winding 7, the whole flame-retardant unit can be fixed, the strength is further improved, the inner environment and the outer environment can be isolated through the arrangement of the protective outer sleeve 11, and the damage to the cables 5 caused by the friction between the cables and the wire racks in the wind can be prevented, every cable conductor 5 can be insulated each other in the setting of parcel layer 4, play simultaneously and prevent that the electric wire swing from causing the emergence that the cable conductor 5 friction caused wearing and tearing, end cover 62 can seal the both ends in fan-shaped chamber, the oxidation that prevents the cooling oil also can make the fixed an organic whole of tip of fire-retardant unit 2 and the line body simultaneously, subsequent installation of being convenient for, the area 8 of tightening that the interval set up can make four cable conductors 5 closely face each other with fixed unit 3, further the position of cable conductor 5 has been stabilized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a new forms of energy aerial [ insulated ] cable which characterized in that: comprises a cable (5), a flame-retardant unit (2) and a fixing unit (3);

cable (5): the cable comprises four cables (5), the cables (5) are arranged in an annular array, the inner side enclosed by the four cables (5) is provided with a fixing unit (3), and the outer side of each cable (5) is connected with a flame-retardant unit (2);

fixing unit (3): the fixing unit (3) comprises reinforcing ribs (31), a main steel cable (32) and a winding layer (33), the main steel cable (32) is arranged on the inner side surrounded by the four cables (5), the winding layer (33) is fixedly sleeved on the outer surface of the main steel cable (32), and the reinforcing ribs (31) are fixedly sleeved on the outer side of the winding layer (33);

flame-retardant unit (2): the flame-retardant unit (2) comprises a flame-retardant outer wall (21), a partition plate (22), heat-dissipating oil (23), an outer slide way (24), an inner slide way (25), a flame retardant (26) and a flame-retardant inner wall (27), wherein the flame-retardant inner wall (27) is arranged inside the flame-retardant outer wall (21), the outer surface of the flame-retardant inner wall (27) is fixedly connected with the inner slide way (25), the inner slide way (25) is annularly arrayed and is provided with nine pieces, the inner surface of the flame-retardant outer wall (21) is fixedly connected with the outer slide way (24), the outer slide way (24) is provided with nine pieces, the outer slide way (24) is correspondingly arranged with the inner slide way (25) on the flame-retardant inner wall (27), two ends of the partition plate (22) are respectively connected with the outer slide way (24) and the inner slide way (25), and the partition plate (22) separates the area between the flame-retardant, and the flame retardant (26) and the heat dissipation oil (23) are respectively filled in the fan-shaped cavity at intervals.

2. The new energy overhead cable line of claim 1, wherein: the flame-retardant outer wall is characterized by further comprising a steel wire winding (7), wherein the steel wire winding (7) is fixedly sleeved on the outer surface of the flame-retardant outer wall (21).

3. The new energy overhead cable line of claim 2, wherein: further comprising a protection unit (1): protection unit (1) contains protective sheath (11), constraining layer (12) and filling layer (43), the internal surface of protective sheath (11) and the surface fixed connection of constraining layer (12), the internal surface of constraining layer (12) and the surface fixed connection of steel wire winding (7) have filling layer (43).

4. The new energy overhead cable line of claim 1, wherein: still include parcel layer (4) and inside filling layer (9), parcel layer (4) are provided with four altogether, and this parcel layer (4) cup joints the surface at every cable conductor (5) respectively, be provided with inside filling layer (9) in the cavity between parcel layer (4) and fire-retardant inner wall (27) internal surface.

5. The new energy overhead cable line of claim 1, wherein: the end cover unit (6) comprises a cavity cover (61), an end cover (62) and fixing holes (63), the cavity cover (61) is fixedly connected to the inner surface of the end cover (62), the cavity covers (61) are in annular arrays and correspond to the fan-shaped cavities respectively, and the fixing holes are formed in the annular arrays on the end cover (62).

6. The new energy overhead cable line of claim 1, wherein: the cable is characterized by further comprising a tightening belt (8), wherein the tightening belt (8) is fixedly sleeved on a wrapping layer (4) sleeved on the outer surfaces of the four cables (5), and the tightening belt (8) is arranged at intervals.