CN214152525U

CN214152525U - Oil-resistant composite cable

Info

Publication number: CN214152525U
Application number: CN202120339059.9U
Authority: CN
Inventors: 臧远鹏; 周玉芹; 杜光先; 张慧; 刘金云
Original assignee: Qingdao Hongbo Cable Co ltd
Current assignee: Qingdao Hongbo Cable Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-09-07
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses an resistant oily composite cable, including oversheath, thread groove and earth connection, the oil trap has been seted up on the oversheath, and the oil trap with lead oil groove interconnect to lead the oil groove and set up on the oversheath, be connected with the inner sheath in the oversheath simultaneously, the copper shield in-connection has the copper conductor, thread groove sets up on the first insulation layer, and thread groove and spacing ring interconnect to the spacing ring is fixed on the second insulation layer, be fixed with the strengthening rib in the protective sheath, the earth connection sets up in the filler. This resistant oily composite cable adopts gathering water conservancy diversion mechanism cooperation resistant oily material to constitute the overcoat, can realize resistant oily anticorrosive effect, can collect the discharge to the greasy dirt of bonding on the overcoat again, avoids the greasy dirt to bond, cooperates strengthening rib and safeguard mechanism, can increase the anti ability of buckling of cable itself, can spacing again to the internal group, avoids the cable distortion to cause the wire fracture.

Description

Oil-resistant composite cable

Technical Field

The utility model relates to the technical field of cables, specifically be an resistant oily composite cable.

Background

The cable is mainly a carrier for transmitting electric energy or signals, is generally formed by combining a plurality of groups of conducting wires, is mainly woven by copper wires in order to ensure the stability and rapidity of signal transmission, and is widely applied in life at present.

With the development of society and the progress of industry, the application of cable is also more and more, and in order to satisfy different construction requirements, the requirement to the cable is also higher and more, wherein resistant oily cable is just one of them, mainly by wide use in the industrial and mining industries such as metallurgy, petroleum, chemical industry and power plant, current resistant oily cable mainly utilizes simple grease proofing corrosion resistant material to make the protective sheath, thereby realize resistant oily function, this kind of protection mode has simple structure, inconvenient water conservancy diversion when greasy dirt bonds the top, avoid the influence of greasy dirt, and when using the cable buckle distortion easy fracture and lack protective structure scheduling problem, so need improve traditional resistant oily composite cable structure to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an resistant oily composite cable to propose among the above-mentioned background art that the greasy dirt bonds easy fracture and lack protection machanism's problem when being difficult for the water conservancy diversion, buckling the distortion.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an resistant oily composite cable, includes oversheath, thread groove and earth connection, the oil trap has been seted up on the oversheath, and oil trap and lead oil groove interconnect to lead the oil groove and set up on the oversheath, be connected with the inner sheath in the oversheath simultaneously, the inner sheath is connected with fire-retardant layer, and is provided with the filler in the fire-retardant layer to be provided with the first insulation layer in the filler, be provided with the copper shielding in the first insulation layer simultaneously, copper shielding in-connection has the copper conductor, thread groove sets up on the first insulation layer, and thread groove and spacing ring interconnect to the spacing ring is fixed on the second insulation layer, and the second insulation in-connection lag simultaneously, be fixed with the strengthening rib in the protective sheath, the earth connection sets up in the filler.

Preferably, the outer sheath is made of PUR, and the thickness of the outer sheath is 3-5 mm.

Preferably, the first insulating layer, the copper shield and the copper conductor are integrally extruded, and the first insulating layer, the copper shield and the copper conductor are distributed at equal angles with respect to the circle center of the reinforcing rib.

Preferably, the copper conductors are made of tinned copper wires, and adjacent copper conductors are connected in a twisted mode.

Preferably, the thread groove and the limiting ring are connected in a nested manner, and are distributed at equal intervals.

Preferably, the reinforcing ribs are made of flexible steel wires, and the diameter of each reinforcing rib is 5-10 mm.

Compared with the prior art, the beneficial effects of the utility model are that: this resistant oily composite cable adopts gathering water conservancy diversion mechanism cooperation resistant oily material to constitute the overcoat, can realize resistant oily anticorrosive effect, can collect the discharge to the greasy dirt of bonding on the overcoat again, avoids the greasy dirt to bond, cooperates strengthening rib and safeguard mechanism, can increase the anti ability of buckling of cable itself, can spacing again to the internal group, avoids the cable distortion to cause the wire fracture.

1. When using resistant oily cable, through the effect of oversheath, oil gathering hole and oil guide groove, can realize avoiding the greasy dirt to bond to the gathering and the discharge of greasy dirt, and then reduce the corrosive action of greasy dirt to the cable, the life of extension cable.

2. Through the effect on oil guide groove, second insulating layer, spacing ring, thread groove and first insulating layer, can improve the toughness of whole cable, and through the nested effect of thread groove and spacing ring, can avoid the inside group winding fracture of cable.

Drawings

Fig. 1 is a schematic view of the front view structure of the outer sheath of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic side view of the outer sheath of the present invention;

fig. 4 is a schematic side view of the outer sheath of the present invention.

In the figure: 1. an outer sheath; 2. an oil collecting hole; 3. an oil guide groove; 4. steel armor; 5. an inner sheath; 6. a flame retardant layer; 7. a filler; 8. a first insulating layer; 9. shielding copper; 10. a copper conductor; 11. a threaded groove; 12. a limiting ring; 13. a second insulating layer; 14. a protective sleeve; 15. reinforcing ribs; 16. and a ground line.

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. 1-4, the present invention provides a technical solution: an oil-resistant composite cable comprises an outer sheath 1, an oil collecting hole 2, an oil guide groove 3, a steel armor 4, an inner sheath 5, a flame-retardant layer 6, a filler 7, a first insulating layer 8, a copper shield 9, a copper conductor 10, a threaded groove 11, a limiting ring 12, a second insulating layer 13, a protective sheath 14, a reinforcing rib 15 and a grounding wire 16, wherein the outer sheath 1 is provided with the oil collecting hole 2, the oil collecting hole 2 is mutually connected with the oil guide groove 3, the oil guide groove 3 is arranged on the outer sheath 1, the outer sheath 1 is internally connected with the inner sheath 5, the inner sheath 5 is internally connected with the flame-retardant layer 6, the filler 7 is arranged in the flame-retardant layer 6, the filler 7 is internally provided with the first insulating layer 8, the copper shield 9 is arranged in the first insulating layer 8, the copper shield 9 is internally connected with the copper conductor 10, the threaded groove 11 is arranged on the first insulating layer 8, and the threaded groove 11 is mutually connected with the limiting ring 12, and the spacing ring 12 is fixed on the second insulating layer 13, meanwhile, a protective sleeve 14 is connected in the second insulating layer 13, a reinforcing rib 15 is fixed in the protective sleeve 14, and a grounding wire 16 is arranged in the filler 7.

The outer sheath 1 is made of PUR, the thickness of the outer sheath 1 is 3-5mm, when the cable is used, the oil-resistant effect can be achieved through the effect of the outer sheath 1, and the cable is prevented from being damaged due to the fact that oil stains penetrate into the cable in a corroded mode.

The first insulating layer 8, the copper shield 9 and the copper conductor 10 are integrally extruded and molded, the first insulating layer 8, the copper shield 9 and the copper conductor 10 are distributed at equal angles relative to the circle center of the reinforcing rib 15, the first insulating layer 8, the copper shield 9 and the copper conductor 10 are tightly connected together through integral molding manufacturing, damage caused by sliding between the copper conductor 10 and the first insulating layer 8 is prevented, and stability of signal transmission is guaranteed through the effect of the multiple groups of copper conductors 10.

Copper conductor 10's material is the tinned copper wire, and is connected for the transposition between the adjacent copper conductor 10, twists through a plurality of copper conductor 10 to increase copper conductor 10's overall diameter, and then increase copper conductor 10's toughness, avoid copper conductor 10 fracture.

The threaded groove 11 and the limiting ring 12 are connected in a nested mode, the threaded groove 11 and the limiting ring 12 are distributed at equal intervals, the relative position between the first insulating layer 8 and the second insulating layer 13 can be limited and protected through the nested effect between the threaded groove 11 and the limiting ring 12, and the cable damage caused by the fact that the first insulating layer 8 and the second insulating layer 13 are twisted together is avoided.

The material of strengthening rib 15 is flexible steel wire, and the diameter of strengthening rib 15 is 5-10mm, through setting up strengthening rib 15, can make interior line group more closely laminate together, can increase the anti deformability of cable again, avoids the cable damage.

The working principle is as follows: as shown in fig. 1-4, when the oil-resistant composite cable is used, the cable is firstly installed and connected, when oil contamination is contaminated, the oil contamination is bonded on the surface of an outer sheath 1, the cable is protected by the outer sheath 1, the cable is prevented from being corroded and damaged by the oil contamination, the oil contamination on the outer sheath 1 is collected by the action of gravity through the action of an oil collecting hole 2, the oil contamination is discharged downwards through an oil guide groove 3, the oil contamination is prevented from being bonded on the outer sheath 1, the service life of the outer sheath 1 is prolonged, the steel armor 4 in the figure is used for supporting and protecting the whole cable, the integrity of the cable and the pressure resistance of the cable are ensured, the oil contamination is inflammable when encountering fire, the flame-retardant layer 6 can effectively perform flame-retardant and fire-proof functions, and the filler 7 in the figure is used for filling gaps in the cable, so as to ensure the integrity of the cable;

when the cable is installed, the bending resistance of the cable can be increased through the action of the reinforcing ribs 15, the reinforcing ribs 15 are prevented from being damaged due to bending, when the cable is twisted, the threaded groove 11 on the first insulating layer 8 is nested with the limiting ring 12 on the second insulating layer 13, thereby avoiding large angular variations between the first insulating layer 8 and the second insulating layer 13, and thus, to avoid cable damage, the copper conductor 10 is shown to serve as a power or signal transmission, the copper shield 9 in the figure is used for blocking and shielding an external signal source and preventing the external signal from influencing the signal transmitted by the cable, the protective sleeve 14 in the figure is used for fixing the reinforcing rib 15, and the second insulating layer 13 is protected, and the second insulating layer 13 is prevented from being damaged by the reinforcing ribs 15, which is the working principle of the oil-resistant composite cable.

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 an resistant oily composite cable, includes oversheath (1), thread groove (11) and earth connection (16), its characterized in that: the oil collecting hole (2) is formed in the outer sheath (1), the oil collecting hole (2) is connected with the oil guiding groove (3), the oil guiding groove (3) is formed in the outer sheath (1), the inner sheath (5) is connected in the outer sheath (1), the flame retardant layer (6) is connected in the inner sheath (5), the filler (7) is arranged in the flame retardant layer (6), the first insulating layer (8) is arranged in the filler (7), the copper shield (9) is arranged in the first insulating layer (8), the copper conductor (10) is connected in the copper shield (9), the threaded groove (11) is formed in the first insulating layer (8), the threaded groove (11) is connected with the limiting ring (12), the limiting ring (12) is fixed on the second insulating layer (13), and the anti-sheath (14) is connected in the second insulating layer (13), and reinforcing ribs (15) are fixed in the protective sleeve (14), and the grounding wire (16) is arranged in the filler (7).

2. The oil resistant composite cable of claim 1, wherein: the outer sheath (1) is made of PUR, and the thickness of the outer sheath (1) is 3-5 mm.

3. The oil resistant composite cable of claim 1, wherein: the first insulating layer (8), the copper shield (9) and the copper conductor (10) are integrally extruded and formed, and the first insulating layer (8), the copper shield (9) and the copper conductor (10) are distributed in an equal angle mode relative to the circle center of the reinforcing rib (15).

4. The oil resistant composite cable of claim 1, wherein: the copper conductors (10) are made of tinned copper wires, and adjacent copper conductors (10) are connected in a twisted mode.

5. The oil resistant composite cable of claim 1, wherein: the thread groove (11) and the limit ring (12) are connected in a nested manner, and the thread groove (11) and the limit ring (12) are distributed at equal intervals.

6. The oil resistant composite cable of claim 1, wherein: the reinforcing ribs (15) are made of flexible steel wires, and the diameter of each reinforcing rib (15) is 5-10 mm.