CN209804300U

CN209804300U - High-strength control cable

Info

Publication number: CN209804300U
Application number: CN201920727436.9U
Authority: CN
Inventors: 王佳伟; 杨洪新; 徐大伟
Original assignee: Jiangsu Hongfeng Cable Group Co Ltd
Current assignee: Jiangsu Hongfeng Cable Group Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2019-12-17
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a high strength control cable relates to cable technical field, often receives mechanical damage for solving current control cable in use, and life is short, the big problem of potential safety hazard. The cable comprises a cable body and is characterized in that a first central conductor is arranged inside the cable body, a first cable core is arranged inside the first central conductor, a fixing groove is formed in the outer portion of the first central conductor, a second cable core is arranged inside the fixing groove, a second central conductor is arranged inside the second cable core, a first insulating layer is arranged outside the second central conductor, a semiconductor shielding layer is arranged outside the first insulating layer, a second insulating layer is arranged outside the second cable core, a filling layer is arranged between the second insulating layer and the second cable core, an armor layer is arranged outside the second insulating layer, a bunch is arranged outside the armor layer, and a fire-resistant layer is arranged outside the bunch.

Description

High-strength control cable

Technical Field

The utility model relates to the technical field of cables, specifically a high strength control cable.

Background

Cables are generally rope-like cables made up of several or groups of at least two twisted conductors, each group being insulated from each other and often twisted around a center to be entirely surrounded by a highly insulating covering, and are generally classified into the following categories: the electric wire and cable products adopted by the electric power system mainly comprise overhead bare wires, busbars, electric power cables, rubber sleeve cables, overhead insulated cables, branch cables, electromagnetic wires and electric equipment wires and cables for electric power equipment, and the control cable is usually suitable for industrial and mining enterprises and energy traffic departments.

However, the existing control cable is often damaged mechanically in use, so that the service life is short and the potential safety hazard is large; thus, the existing requirements are not met, and a high-strength control cable is proposed for the same.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength control cable to current control cable in use who proposes in solving above-mentioned background often receives mechanical damage, and life is short, the big problem of potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength control cable comprises a cable body, a first central conductor is arranged in the cable body, a first cable core is arranged inside the first central conductor, a fixing groove is arranged outside the first central conductor, a second cable core is arranged in the fixing groove, a second central conductor is arranged in the second cable core, a first insulating layer is arranged outside the second central conductor, a semiconductor shielding layer is arranged outside the first insulating layer, a second insulating layer is arranged outside the second cable core, a filling layer is arranged between the second insulating layer and the second cable core, an armor layer is arranged outside the second insulating layer, a wire harness is arranged outside the armor layer, the outer portion of the wire harness is provided with a fire-resistant layer, the outer portion of the fire-resistant layer is provided with a sheath, and the outer portion of the sheath is provided with a reinforcing rib.

Preferably, the fixing grooves are provided in six, and the second cable core is provided in six.

Preferably, the sheath and the reinforcing ribs are arranged to be of an integrally formed structure, and the number of the reinforcing ribs is six.

Preferably, the surface of first insulating layer and semiconductor shielding layer is laminated completely, first insulating layer and semiconductor shielding layer are glued to be connected, the surface of second insulating layer and armor is laminated completely, the second insulating layer is connected with the armor glue to be connected, the surface of flame retardant coating and sheath is laminated completely, the flame retardant coating is connected with the sheath glue to be connected.

Preferably, the armor is fixedly connected with the wire harness.

Preferably, the first central conductor and the second cable core are connected through a clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model discloses a be provided with the strengthening rib in the outside of sheath, on the one hand strengthen the overall structure intensity of cable, reduce the mechanical damage of cable, on the other hand, avoid the sheath to directly contact with ground when the cable falls to the ground, strengthen the cable corrosion resistance, play the guard action to the cable, the sheath adopts the halogen-free material of environment-friendly to make, the cable is more environmental protection;

2. The utility model discloses an it improves the fire behavior of cable to be provided with the flame retardant coating, and cable strength is higher, and the packing layer is filled with fire-resistant glass fibre, when having guaranteed the compactedness of inner structure, has improved the fire-resistant flame retardant property of cable, and the security is higher, improves the shielding effect of cable through being provided with the semiconductor shielding layer, has increased the life of cable, reduces cable potential safety hazard;

3. The utility model discloses a bundle line is further fixed to inside second cable core, makes the second cable core can not take place the displacement, guarantees the bulk strength of cable, adopts and gathers perfluor ethylene propylene as first insulation layer and second insulating layer, has improved fire behaviour well.

Drawings

fig. 1 is a schematic structural view of a high-strength control cable according to the present invention;

fig. 2 is a schematic structural diagram of a first central conductor according to the present invention;

FIG. 3 is a schematic structural view of the reinforcing rib of the present invention;

fig. 4 is a schematic structural view of the wire harness according to the present invention.

In the figure: 1. a cable body; 2. a first center conductor; 3. a first cable core; 4. fixing grooves; 5. a second cable core; 6. a second center conductor; 7. a first insulating layer; 8. a semiconductor shielding layer; 9. a second insulating layer; 10. a filling layer; 11. an armor layer; 12. a wire harness; 13. a refractory layer; 14. a sheath; 15. and (5) reinforcing ribs.

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.

referring to fig. 1-4, the present invention provides an embodiment: a high-strength control cable comprises a cable body 1, wherein a first central conductor 2 is arranged inside the cable body 1, a first cable core 3 is arranged inside the first central conductor 2, a fixing groove 4 is arranged outside the first central conductor 2, a second cable core 5 is arranged inside the fixing groove 4, a second central conductor 6 is arranged inside the second cable core 5, a first insulating layer 7 is arranged outside the second central conductor 6, a semiconductor shielding layer 8 is arranged outside the first insulating layer 7, a second insulating layer 9 is arranged outside the second cable core 5, a filling layer 10 is arranged between the second insulating layer 9 and the second cable core 5, an armor layer 11 is arranged outside the second insulating layer 9, a wire harness 12 is arranged outside the armor layer 11, the second cable core 5 inside is further fixed through the wire harness 12, so that the second cable core 5 cannot be displaced, the outside of bunch 12 is provided with flame retardant coating 13, and the outside of flame retardant coating 13 is provided with sheath 14, and the outside of sheath 14 is provided with strengthening rib 15, strengthens the overall structure intensity of cable on the one hand, reduces the mechanical damage of cable, and on the other hand avoids sheath 14 direct and ground contact when the cable drops ground because of external influence, reinforcing cable corrosion protection performance.

Further, the fixing grooves 4 are provided with six, the second cable cores 5 are provided with six, the fixing grooves 4 fix the second cable cores 5, and the fixing mode is simple.

Further, sheath 14 sets up to the integrated into one piece structure with strengthening rib 15, and strengthening rib 15 is provided with six, strengthens the overall structure intensity of cable on the one hand, reduces the mechanical damage of cable, and on the other hand avoids sheath 14 direct and ground contact when the cable drops ground because of external influence, reinforcing cable corrosion protection performance.

Further, the surfaces of the first insulating layer 7 and the semiconductor shielding layer 8 are completely attached, the first insulating layer 7 is connected with the semiconductor shielding layer 8 in a bonding mode, the surface of the second insulating layer 9 is completely attached to the surface of the armor layer 11, the second insulating layer 9 is connected with the armor layer 11 in a bonding mode, the surface of the flame retardant coating 13 is completely attached to the surface of the sheath 14, the flame retardant coating 13 is connected with the sheath 14 in a bonding mode, the utilization rate of materials is high, the cost is low, stress concentration on all bonding surfaces is small, and therefore the anti-fatigue performance is good, and the sealing performance, the insulating performance and the anti-.

Further, the armor layer 11 is fixedly connected to the harness 12, and the second cable core 5 inside is further fixed by the harness 12, so that the second cable core 5 is not displaced.

Furthermore, the first central conductor 2 is connected with the second cable core 5 through a clamping groove, so that the connection mode is simple, and the fixing is firm and convenient.

The working principle is as follows: when in use, the reinforcing rib 15 is arranged outside the sheath 14, on one hand, the overall structural strength of the cable body 1 is enhanced, the mechanical damage of the cable body 1 is reduced, on the other hand, when the cable body 1 falls off the ground due to external influence, the sheath 14 is prevented from directly contacting the ground, the corrosion resistance of the cable body 1 is enhanced, the cable body 1 is protected, the sheath 14 is made of environment-friendly halogen-free materials, the cable body 1 is more environment-friendly, the fire resistance of the cable body 1 is improved by the fire-resistant layer 13, the strength of the cable body 1 is higher, the filling layer 10 is filled with fire-resistant glass fibers, the compactness of the internal structure is ensured, the fire resistance and the flame resistance of the cable body 1 are improved, the safety is higher, the shielding effect of the cable body 1 is improved by the arrangement of the semiconductor shielding layer 8, the service life of the cable body 1 is prolonged, further fixing inside second cable core 5 through bunch 12, making second cable core 5 can not take place the displacement, guaranteeing cable body 1's bulk strength, adopting and gathering perfluor ethylene propylene as first insulation layer 7 and second insulating layer 9, having improved fire behaviour well, armor 11 protects cable body 1, and cable body 1's intensity is higher.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A high strength control cable, includes cable body (1), its characterized in that: the cable comprises a cable body (1), wherein a first central conductor (2) is arranged in the cable body (1), a first cable core (3) is arranged in the first central conductor (2), a fixing groove (4) is arranged outside the first central conductor (2), a second cable core (5) is arranged inside the fixing groove (4), a second central conductor (6) is arranged inside the second cable core (5), a first insulating layer (7) is arranged outside the second central conductor (6), a semiconductor shielding layer (8) is arranged outside the first insulating layer (7), a second insulating layer (9) is arranged outside the second cable core (5), a filling layer (10) is arranged between the second insulating layer (9) and the second cable core (5), an armor layer (11) is arranged outside the second insulating layer (9), and a wire harness (12) is arranged outside the armor layer (11), the outer portion of the wire harness (12) is provided with a fire-resistant layer (13), the outer portion of the fire-resistant layer (13) is provided with a sheath (14), and the outer portion of the sheath (14) is provided with a reinforcing rib (15).

2. A high strength control cable according to claim 1, wherein: six fixing grooves (4) are arranged, and six second cable cores (5) are arranged.

3. a high strength control cable according to claim 1, wherein: the sheath (14) and the reinforcing ribs (15) are arranged to be of an integrally formed structure, and six reinforcing ribs (15) are arranged.

4. a high strength control cable according to claim 1, wherein: the surface of first insulating layer (7) and semiconductor shielding layer (8) is laminated completely, first insulating layer (7) and semiconductor shielding layer (8) are glued joint, the surface of second insulating layer (9) and armor (11) is laminated completely, second insulating layer (9) and armor (11) are glued joint, the surface of flame retardant coating (13) and sheath (14) is laminated completely, flame retardant coating (13) and sheath (14) are glued joint and are connected.

5. A high strength control cable according to claim 1, wherein: the armor layer (11) is fixedly connected with the wire harness (12).

6. A high strength control cable according to claim 1, wherein: the first central conductor (2) is connected with the second cable core (5) through a clamping groove.