CN210896705U

CN210896705U - High-strength aluminum core cable

Info

Publication number: CN210896705U
Application number: CN201921909326.0U
Authority: CN
Inventors: 李伟群; 李明德
Original assignee: Jiangxi Guangtong Cable Co ltd
Current assignee: Jiangxi Guangtong Cable Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-30
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a high strength aluminium core cable, including the restrictive coating, filling layer and aluminium core conductor, aluminium core conductor sets up in the inner chamber of filling layer, the filling layer sets up in the inner chamber of protective sheath, the protective sheath is by outer shielding sheath, silica gel circle and internal shield sheath are constituteed, the fixed cup joint in the outer wall of silica gel circle of outer shielding sheath, internal shield sheath fixed connection is in the inner wall of silica gel circle, the middle part of silica gel circle is a plurality of first spring steel wires of annular array interval fixedly connected with, the middle part fixed interlude of asbestos filling layer is connected with the rubber tube, the outer wall of rubber tube is the three rubber slab of Y style of calligraphy array fixedly connected with, the middle part of asbestos filling layer is three aluminium core conductor of triangle array fixed interlude connection. The utility model discloses utilize the silica gel cover and a plurality of first spring steel wires that set up between outer shield cover and the interior shield cover can strengthen the resistance of restrictive coating and become the ability to improve the bulk strength of cable, make the cable be difficult to bend, and then improved the life of cable.

Description

High-strength aluminum core cable

Technical Field

The utility model relates to a cable field, in particular to high strength aluminium core cable.

Background

A cable is generally a rope-like cable formed by twisting several or several groups of conductors (at least two in each group), each group of conductors being insulated from each other and usually twisted around a center, the entire outer surface being covered with a highly insulating covering, the cable being characterized by internal energization and external insulation, wherein the aluminum core cable is a cable with aluminum wires as conductor cores.

Most of the existing aluminum core cables use rubber jackets as protective layers of conductor cores of the cables, but the cables are low in strength and easy to bend when subjected to extrusion force, and the cables are easy to crease or crack after being bent due to the fact that resistance variable capacity is reduced when the cables are bent, so that the cables are difficult to recover after being bent, the cable protective sleeves are easily damaged, and the service life of the cables is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength aluminium core cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength aluminium core cable, includes restrictive coating, filling layer and aluminium core conductor, the aluminium core conductor sets up in the inner chamber of filling layer, the filling layer sets up in the inner chamber of protective sheath, the protective sheath comprises outer shielding sheath, silica gel circle and inner shielding sheath, outer shielding sheath is fixed cup joints in the outer wall of silica gel circle, inner shielding sheath fixed connection is in the inner wall of silica gel circle, the middle part of silica gel circle is a plurality of first spring steel wires of ring array interval fixedly connected with.

Preferably, the filling layer includes the asbestos filling layer, the middle part fixed interlude of asbestos filling layer is connected with the rubber tube, the outer wall of rubber tube is the three rubber slab of Y style of calligraphy array fixedly connected with, and three the rubber slab is connected with the fixed interlude of asbestos filling layer, the middle part of asbestos filling layer is three aluminium core conductor that the fixed interlude of triangle-shaped array is connected with.

Preferably, a hard rubber sleeve is inserted between the asbestos filling layer and the inner shielding sheath.

Preferably, the aluminum core conductor comprises an insulating sleeve and a plurality of aluminum wires, and the aluminum wires are uniformly inserted into the inner cavity of the insulating sleeve.

Preferably, the inner cavity of the rubber tube is provided with a second spring steel wire in an inserting manner.

Preferably, the outer wall of second spring steel wire is three backup pad of triangle array fixedly connected with, and is three the one end fixedly connected with arc of backup pad, and three the arc sets up with the inner wall laminating of rubber tube respectively.

The utility model discloses a technological effect and advantage:

1. the utility model utilizes the silica gel sleeve and the plurality of first spring steel wires arranged between the outer shielding sleeve and the inner shielding sleeve to enhance the resistance of the sheath layer, thereby improving the overall strength of the cable, making the cable difficult to bend and further prolonging the service life of the cable;

2. the utility model discloses utilize setting up of rubber tube, second spring steel wire, backup pad and arc can improve the inside support intensity of cable, increase the resistance variable energy ability of cable to further improve the intensity of cable, further prolong the life of cable.

Drawings

Fig. 1 is a schematic view of the partial cross-sectional structure of the present invention.

Fig. 2 is a schematic front sectional view of the present invention.

Fig. 3 is a schematic view of a part of an enlarged structure of fig. 2 according to the present invention.

In the figure: 1. an outer shielding sheath; 2. a silica gel ring; 3. a first spring wire; 4. an inner shielding sheath; 5. a hard rubber sleeve; 6. an asbestos-filled layer; 7. an aluminum core conductor; 701. an insulating sleeve; 702. aluminum wires; 8. a rubber tube; 9. a rubber plate; 10. a second spring wire; 11. a support plate; 12. an arc-shaped plate.

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.

The utility model provides a high-strength aluminum core cable as shown in figures 1-3, which comprises a sheath layer, a filling layer and an aluminum core conductor 7, wherein the protective sleeve consists of an outer shielding sheath 1, a silica gel ring 2 and an inner shielding sheath 4, the outer shielding sheath 1 is fixedly sleeved on the outer wall of the silica gel ring 2, the inner shielding sheath 4 is fixedly connected with the inner wall of the silica gel ring 2, the middle part of the silica gel ring 2 is in an annular array and is fixedly connected with a plurality of first spring steel wires 3 at intervals, the arrangement of the inner shielding sheath 4 and the outer shielding sheath 1 realizes double-sheath protection inside the cable, thereby improving the protection strength inside the cable, meanwhile, the silica gel ring 2 mainly plays a role in buffering and damping, and plays a role in positioning the plurality of first spring steel wires 3, and the arrangement of the first spring steel wires 3 can enhance the resistance to deformation of the cable by utilizing the resistance to deformation and elastic restoring force of the first spring steel wires;

the aluminum core conductor 7 is arranged in the inner cavity of the filling layer, the aluminum core conductor 7 comprises an insulating sleeve 701 and a plurality of aluminum wires 702, the aluminum wires 702 are uniformly inserted into the inner cavity of the insulating sleeve 701, and the insulating sleeve 701 can play a role in insulating protection on the aluminum wires 702;

the filling layer is arranged in an inner cavity of the protective sleeve, the filling layer comprises an asbestos filling layer 6, a flame-retardant effect can be achieved, spontaneous combustion of the aluminum core conductor 7 is prevented, a rubber tube 8 is fixedly and alternately connected to the middle of the asbestos filling layer 6, a supporting effect is achieved on the middle of the cable, the compression resistance of the middle of the cable is enhanced, three rubber plates 9 are fixedly connected to the outer wall of the rubber tube 8 in a Y-shaped array mode, the supporting strength of the three rubber plates 9 is enhanced by means of the character, the compression resistance of the cable is enhanced, the three rubber plates 9 are fixedly and alternately connected with the asbestos filling layer 6, three aluminum core conductors 7 are fixedly and alternately connected to the middle of the asbestos filling layer 6 in a triangular array mode, and the three aluminum core conductors 7 can enhance the power;

a hard rubber sleeve 5 is inserted between the asbestos filling layer 6 and the inner shielding sheath 4, and the strength of the cable can be further enhanced due to the arrangement of the hard rubber sleeve 5;

the inner chamber of rubber tube 8 alternates and is provided with second spring steel wire 10, the setting of second spring steel wire 10 can play a resistance to compression effect jointly with the outside to the middle part of cable with the cooperation of first spring steel wire 3, thereby improve the resistance variable energy ability of cable, the outer wall of second spring steel wire 10 is three backup pad 11 of triangle array fixedly connected with, the one end fixedly connected with arc 12 of three backup pad 11, and three arc 12 sets up with the inner wall laminating of rubber tube 8 respectively, backup pad 11 and arc 12 set up and can play a supporting role to rubber tube 8, improve the whole compressive capacity of cable.

This practical theory of operation: when aluminium core cable uses, because the elastic buffer characteristic of silica gel circle 2 and the resistance of first spring steel wire 3 become the ability, make aluminium core cable compare in traditional cable and need bigger bending force when buckling, and the degree of buckling is big more time, first spring steel wire 3 and the big more of second spring steel wire 10 degree of deformation, the elastic restoring force of production also can be big more, thereby further increase aluminium core cable and continue crooked degree, play a fine guard action to aluminium core cable, simultaneously rubber slab 9, backup pad 11 and arc 12 all are the stability that three jia settings can make aluminium core cable's inner chamber keep supporting, increase the inside support intensity of aluminium core cable, make aluminium core cable can the idol bear external bigger pressure, thereby make aluminium core cable be difficult to damage, the life of extension aluminium core cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high strength aluminium core cable, includes restrictive coating, filling layer and aluminium core conductor (7), its characterized in that: aluminium core conductor (7) set up in the inner chamber of filling layer, the filling layer sets up in the inner chamber of protective sheath, the protective sheath comprises outer shielding sheath (1), silica gel circle (2) and internal shield sheath (4), outer shielding sheath (1) is fixed cup joints in the outer wall of silica gel circle (2), internal shield sheath (4) fixed connection is in the inner wall of silica gel circle (2), the middle part of silica gel circle (2) is a plurality of first spring steel wires (3) of ring array interval fixedly connected with.

2. A high strength aluminum core cable according to claim 1, wherein: the filling layer includes asbestos filling layer (6), the middle part fixed interlude of asbestos filling layer (6) is connected with rubber tube (8), the outer wall of rubber tube (8) is three rubber slab (9) of Y style of calligraphy array fixedly connected with, and three rubber slab (9) are connected with the fixed interlude of asbestos filling layer (6), the middle part of asbestos filling layer (6) is three aluminium core conductor (7) of three triangle-shaped array fixed interlude connection.

3. A high strength aluminum core cable according to claim 2, wherein: and a hard rubber sleeve (5) is inserted between the asbestos filling layer (6) and the inner shielding sheath (4).

4. A high strength aluminum core cable according to claim 2, wherein: the aluminum core conductor (7) comprises an insulating sleeve (701) and a plurality of aluminum wires (702), and the aluminum wires (702) are uniformly inserted into an inner cavity of the insulating sleeve (701).

5. A high strength aluminum core cable according to claim 3, wherein: and a second spring steel wire (10) is inserted into the inner cavity of the rubber tube (8).

6. A high strength aluminum core cable according to claim 5, wherein: the outer wall of second spring steel wire (10) is three backup pad (11), three of triangle-shaped array fixedly connected with arc (12) of backup pad (11), and is three arc (12) set up with the inner wall laminating of rubber tube (8) respectively.