CN112435781A

CN112435781A - Durable high-efficient insulating aerial [ insulated ] cable of long-life

Info

Publication number: CN112435781A
Application number: CN201910787488.XA
Authority: CN
Inventors: 吴学明; 吴迪
Original assignee: Jiangsu Ruiyang Cable Co ltd
Current assignee: Jiangsu Ruiyang Cable Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2021-03-02

Abstract

The invention discloses a long-life durable high-efficiency insulating aerial cable, which belongs to the technical field of aerial cables and comprises a substrate, wherein six groups of cable cores with the same structure are uniformly arranged on the outer wall of the substrate, one sides of the six groups of cable cores, which are far away from the substrate, are bonded with a waterproof layer, the waterproof layer is made of acrylic acid materials, a first flame-retardant layer is filled between the waterproof layer and the substrate, the outer wall of the waterproof layer is coated with a second flame-retardant layer, the first flame-retardant layer and the second flame-retardant layer are both made of magnesium hydroxide materials, the outer wall of the second flame-retardant layer is coated with a first insulating layer, the first insulating layer is made of polyethylene materials, the outer wall of the first insulating layer is coated with a protective layer, the first flame-retardant layer is arranged, the cable cores can be prevented from being ignited to influence other cable cores, the second flame-retardant layer is, through being provided with the waterproof layer, can play waterproof effect.

Description

Durable high-efficient insulating aerial [ insulated ] cable of long-life

Technical Field

The invention relates to the technical field of overhead cables, in particular to a long-life durable high-efficiency insulated overhead cable.

Background

The aerial cable is an aerial conductor provided with an insulating layer and a protective sheath, is a new power transmission mode between the aerial conductor and an underground cable, has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like, has poor insulating property of the traditional aerial cable, can cause the service life of the cable to be reduced after long-time wind blowing, sunshine and friction during installation, and provides the long-life durable high-efficiency insulating aerial cable.

Disclosure of Invention

The invention aims to provide a long-life durable high-efficiency insulated overhead cable so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the long-life durable high-efficiency insulated overhead cable comprises a base body, six groups of cable cores with the same structure are uniformly arranged on the outer wall of the base body, one sides of the six groups of cable cores, which are far away from the base body, are bonded with a waterproof layer, the waterproof layer is made of acrylic acid materials, a first flame-retardant layer is filled between the waterproof layer and the substrate, the outer wall of the waterproof layer is coated with a second flame-retardant layer, the first flame-retardant layer and the second flame-retardant layer are both made of magnesium hydroxide materials, the outer wall of the second flame-retardant layer is coated with a first insulating layer, the first insulating layer is made of polyethylene material, the outer wall of the first insulating layer is coated with a protective layer which is made of nylon material, be provided with anti-aging layer on the outer wall of protective layer, anti-aging layer is made by the even coating of EVA emulsion, anti-aging layer's top evenly is provided with reinforcing apparatus along length direction.

Preferably, the cable core includes the shielding layer of being connected with waterproof layer inner wall, the shielding layer cladding is on the outer wall of second insulating layer, the cladding of second insulating layer is on the outer wall of conductor.

Preferably, strengthen the device including connecting the connecting plate on ageing resistance layer outer wall, the top swing joint of connecting plate has branch, the top of branch is connected with the retainer plate, swing joint has the rubber pad on the inner wall of retainer plate.

Preferably, the outer wall of the bottom of the supporting rod is provided with an external thread, and the top of the connecting plate is provided with an internal thread matched with the external thread.

Preferably, the thickness of the first insulating layer is three millimeters, and the thickness of the second insulating layer is two millimeters.

Preferably, the top and the bottom of rubber pad all are provided with the lug, and be provided with on the inner wall of retainer plate with lug assorted recess.

Compared with the prior art, the invention has the beneficial effects that:

1. the first insulating layer and the second insulating layer are arranged, so that the insulating effect of the overhead cable is better;

2. the anti-aging cable has the advantages that the first flame-retardant layer is arranged, so that the cable core can be prevented from being ignited to influence other cable cores, the second flame-retardant layer is arranged, so that external ignition can be prevented, internal materials can be burnt out, the waterproof layer is arranged to play a waterproof role, the protective layer is arranged to improve the wear resistance of the aerial cable, so that the friction of the aerial cable during installation can be reduced, the anti-aging layer is arranged to enable the protective layer to resist ultraviolet aging, the service life of the aerial cable is prolonged, and the aerial cable is more durable;

3. through being provided with the retainer plate, the strengthening line of the overhead cable of being convenient for passes to improved overhead cable's mechanical strength, makeed overhead cable more durable.

Drawings

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

FIG. 2 is a schematic structural diagram of a cable core according to the present invention;

FIG. 3 is a schematic view of a reinforcing apparatus according to the present invention.

In the figure: 1. a substrate; 2. a cable core; 21. a shielding layer; 22. a second insulating layer; 23. a conductor; 3. a waterproof layer; 4. a first flame retardant layer; 5. a second flame retardant layer; 6. a first insulating layer; 7. a protective layer; 8. an anti-aging layer; 9. a reinforcement device; 91. a connecting plate; 92. a strut; 93. a stationary ring; 94. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: a long-life durable high-efficiency insulating aerial cable, please refer to fig. 1, which comprises a substrate 1, six groups of cable cores 2 with the same structure are uniformly arranged on the outer wall of the substrate 1, one sides of the six groups of cable cores 2 far away from the substrate 1 are all bonded with a waterproof layer 3, the waterproof layer 3 is made of acrylic acid materials and can play a waterproof role, a first flame-retardant layer 4 is filled between the waterproof layer 3 and the substrate 1 and can prevent the cable cores 2 from firing and influencing other cable cores 2, a second flame-retardant layer 5 is coated on the outer wall of the waterproof layer 3, the first flame-retardant layer 4 and the second flame-retardant layer 5 are both made of magnesium hydroxide materials, the second flame-retardant layer 5 can prevent external fire and burn out internal materials, a first insulating layer 6 is coated on the outer wall of the second flame-retardant layer 5, the first insulating layer 6 is made of polyethylene materials, a protective layer 7 is coated on the outer wall of the, can improve aerial [ insulated ] cable's wearability to can reduce aerial [ insulated ] cable friction when the installation, be provided with anti-aging layer 8 on the outer wall of protective layer 7, anti-aging layer 8 is made by the even coating of EVA emulsion, makes protective layer 7 can ultraviolet-resistant ageing through anti-aging layer 8, thereby improved aerial [ insulated ] cable's life, anti-aging layer 8's top evenly is provided with reinforcing means 9 along length direction, reinforcing means 9 sets up one every three meters.

Referring to fig. 2, the cable core 2 includes a shielding layer 21 connected to an inner wall of the waterproof layer 3, the shielding layer 21 is woven by aluminum foil and can shield signal interference, the shielding layer 21 is coated on an outer wall of the second insulating layer 22, the second insulating layer 22 is made of polyethylene material, the first insulating layer 6 and the second insulating layer 22 are used for improving insulation of the overhead cable, and the second insulating layer 22 is coated on an outer wall of the conductor 23;

referring to fig. 3, the reinforcing device 9 includes a connecting plate 91 connected to the outer wall of the anti-aging layer 8, a supporting rod 92 is movably connected to the top of the connecting plate 91, a fixing ring 93 is connected to the top of the supporting rod 92, so that the reinforcing wire can pass through the fixing ring, the mechanical strength of the overhead cable during erection can be improved, a rubber pad 94 is movably connected to the inner wall of the fixing ring 93, and the outer wall of the reinforcing wire can be prevented from being worn by the rubber pad 94;

referring to fig. 3, the outer wall of the bottom of the supporting rod 92 is provided with an external thread, and the top of the connecting plate 91 is provided with an internal thread matched with the external thread, so that the supporting rod 92 is convenient to mount and dismount;

referring to fig. 1 and 2, the thickness of the first insulating layer 6 is three millimeters, and the thickness of the second insulating layer 22 is two millimeters, so that the insulating effect of the overhead cable is better by arranging the first insulating layer 6 and the second insulating layer 22;

referring to fig. 3, the rubber pad 94 is provided with bumps at the top and bottom, and the inner wall of the fixing ring 93 is provided with grooves matched with the bumps, so as to facilitate installation of the rubber pad 94.

The working principle is as follows: during the use, through first insulating layer 6 and second insulating layer 22, make aerial cable's insulating effect better, through first fire-retardant layer 4, can prevent that cable core 2 from being on fire, influence other cable cores 2, through second fire-retardant layer 5, can prevent that the external world from being on fire, burn out inside material, through being provided with waterproof layer 3, can play waterproof effect, through being provided with protective layer 7, can improve aerial cable's wearability, thereby can reduce the friction when aerial cable installs, through ageing resistant layer 8, make protective layer 7 can be ultraviolet ray ageing resistant, thereby the life of aerial cable has been improved, make aerial cable more durable, pass the enhancement line in the inside of retainer plate 93, mechanical strength when can improving aerial cable and erect, make aerial cable more durable.

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 durable high-efficient insulated overhead cable of long-life, includes base member (1), its characterized in that: the cable comprises a base body (1), wherein six groups of cable cores (2) with the same structure are uniformly arranged on the outer wall of the base body (1), one side, far away from the base body (1), of each cable core (2) is bonded with a waterproof layer (3), each waterproof layer (3) is made of an acrylic acid material, a first flame-retardant layer (4) is filled between each waterproof layer (3) and the base body (1), the outer wall of each waterproof layer (3) is wrapped with a second flame-retardant layer (5), each first flame-retardant layer (4) and each second flame-retardant layer (5) are made of a magnesium hydroxide material, the outer wall of each second flame-retardant layer (5) is wrapped with a first insulating layer (6), each first insulating layer (6) is made of a polyethylene material, the outer wall of each first insulating layer (6) is wrapped with a protective layer (7), each protective layer (7) is made of a nylon material, and the outer wall of each protective layer, the anti-aging layer (8) is made by evenly coating EVA emulsion, and the top of the anti-aging layer (8) is evenly provided with a reinforcing device (9) along the length direction.

2. The long life durable highly efficient insulated overhead cable of claim 1, wherein: the cable core (2) comprises a shielding layer (21) connected with the inner wall of the waterproof layer (3), the shielding layer (21) is coated on the outer wall of the second insulating layer (22), and the second insulating layer (22) is coated on the outer wall of the conductor (23).

3. The long life durable highly efficient insulated overhead cable of claim 1, wherein: strengthen device (9) including connecting plate (91) on ageing resistant layer (8) outer wall, the top swing joint of connecting plate (91) has branch (92), the top of branch (92) is connected with retainer plate (93), swing joint has rubber pad (94) on the inner wall of retainer plate (93).

4. A long life durable highly efficient insulated overhead cable as claimed in claim 3, characterized in that: the outer wall of the bottom of the supporting rod (92) is provided with an external thread, and the top of the connecting plate (91) is provided with an internal thread matched with the external thread.

5. A long life durable highly efficient insulated overhead cable as claimed in claim 2, characterized in that: the thickness of the first insulating layer (6) is three millimeters, and the thickness of the second insulating layer (22) is two millimeters.

6. A long life durable highly efficient insulated overhead cable as claimed in claim 3, characterized in that: the top and the bottom of the rubber pad (94) are both provided with a convex block, and the inner wall of the fixed ring (93) is provided with a groove matched with the convex block.