CN209515232U - A kind of light rail high flexibility ceramic polyolefin fireproof cable - Google Patents

Abstract

The utility model discloses a kind of light rail high flexibility ceramic polyolefin fireproof cables, including jacket layer and copper wire, the outer surface of the jacket layer is connected with wearing layer, and recess is offered on the inner wall of jacket layer, the inside of the cavity is interspersed with thickness and the identical internal layer of wearing layer thickness, and the rounded insulating layer of longitudal section is evenly distributed on the inside of internal layer, the copper wire is located at the inside of insulating layer, the outer end face of the insulating layer is connected with the first connection ring, and first is provided with inner core on the inside of connection ring, the inside of the inner core is angularly provided with lantern ring, and it is contacted between lantern ring monomer by the second connection ring being connected in lantern ring outer end face, the inside of second connection ring is filled with third fill material.The light rail high flexibility ceramic polyolefin fireproof cable has stronger fire protecting performance, increases the service life of cable, and convenient for assembling to the internal structure of cable.

Description

A kind of light rail high flexibility ceramic polyolefin fireproof cable

Technical field

The utility model relates to field of cable technology, specially a kind of light rail high flexibility ceramic polyolefin fireproof cable.

Background technique

Cable is widely used in the important department such as skyscraper, subway, power plant, nuclear power station and public place, together When many infrastructure projects and light rail construction also using cable, by being laid with cable, can engineering equipment normally be transported Turn, so that normal work is carried out；

But cable on the market is carrying out causing the service life of cable not grown in use, its fire protecting performance is poor, and The internal structure of cable is also cumbersome when being assembled, so it is anti-now to develop a kind of light rail high flexibility ceramic polyolefin Thermoelectricity cable, to solve the above problems.

Utility model content

It is above-mentioned to solve the purpose of this utility model is to provide a kind of light rail high flexibility ceramic polyolefin fireproof cable The cable on the market proposed in background technique is carrying out leading to the service life of cable not in use, its fire protecting performance is poor It is long, and the problem that the internal structure of cable is also cumbersome when being assembled.

To achieve the above object, the utility model provides the following technical solutions: a kind of light rail high flexibility ceramic polyolefin Fireproof cable, including jacket layer and copper wire, the outer surface of the jacket layer are connected with wearing layer, and offer on the inner wall of jacket layer recessed Mouthful, and cavity is formed on the inside of jacket layer, the inside of the cavity is interspersed with thickness and the identical internal layer of wearing layer thickness, and It is evenly distributed with the rounded insulating layer of longitudal section on the inside of internal layer, and is filled with the first filler between internal layer and insulating layer Material；

The copper wire is located at the inside of insulating layer, and copper wire is arranged in the internal symmetry of insulating layer, and insulating layer and copper The second fill material is filled between line, the outer end face of the insulating layer is connected with the first connection ring, and the first connection ring Inside is provided with inner core, and the inside of the inner core is angularly provided with lantern ring, and by being connected to outside lantern ring between lantern ring monomer The second connection ring on end surfaces is contacted, and the inside of second connection ring is filled with third fill material.

Preferably, the connection type of the jacket layer and wearing layer is to paste connection, and recess is in jacket layer spaced at equal angles around.

Preferably, the outer surface of the internal layer is in rectangle projective structure, and the position of inner layer outer surface rectangle projective structure It is corresponded with the position of wearing layer, and the connection type of internal layer and jacket layer is to be connected together.

Preferably, the inner wall of the outer end face of the insulating layer and internal layer paste connection, and the internal end surface of insulating layer and The outer wall of inner core pastes connection, and insulating layer is angularly interspersed in the first connection ring.

Preferably, the connection type of the lantern ring and the second connection ring is welding, and the outer end face of lantern ring is convex in rectangle Shape structure out, and the connection type of lantern ring and inner core is to be connected together.

Compared with prior art, the utility model has the beneficial effects that the anti-thermoelectricity of light rail high flexibility ceramic polyolefin Cable has stronger fire protecting performance, increases the service life of cable, and convenient for assembling to the internal structure of cable；

1, in the inner wall spaced at equal angles around recess of jacket layer, and the outer surface of internal layer is in rectangle convex shape structure, pass through by The rectangle convex shape structure and recess of inner layer outer surface are corresponded to, and facilitate jacket layer and internal layer carrying out corresponding installation, simply It is convenient；

2, it is protected by the combination for the internal layer that jacket layer and material that material is polyolefin are polyurethane, so that the cable is anti- Fire and flame resistance are enhanced, so that the cable greatly reduced damage on fire, increases the service life of cable；

3, by the way that stainless steel wire is passed through lantern ring, it can not only fix stainless steel wire is stable, also increase simultaneously The tensile strength of the cable also increases service life so that the structure enhancing of the cable is hardly damaged.

Detailed description of the invention

Fig. 1 is that the utility model faces schematic cross-sectional view；

Fig. 2 is the utility model jacket structure schematic diagram；

Fig. 3 is enlarged structure schematic diagram at A in the utility model Fig. 1.

In figure: 1, jacket layer；2, wearing layer；3, cavity；4, recess；5, internal layer；6, insulating layer；7, the first fill material；8, Copper wire；9, the second fill material；10, the first connection ring；11, inner core；12, lantern ring；13, the second connection ring；14, third filler Material.

Specific embodiment

Below by the attached drawing in knot and the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of light rail high flexibility ceramic polyolefin fire prevention Cable, including the filling of jacket layer 1, wearing layer 2, cavity 3, recess 4, internal layer 5, insulating layer 6, the first fill material 7, copper wire 8, second The outer surface of material 9, the first connection ring 10, inner core 11, lantern ring 12, the second connection ring 13 and third fill material 14, jacket layer 1 connects It is connected to wearing layer 2, and offers recess 4 on the inner wall of jacket layer 1, and the inside of jacket layer 1 is formed with cavity 3, the inside of cavity 3 It is interspersed with thickness and the identical internal layer 5 of 2 thickness of wearing layer, and the inside of internal layer 5 is evenly distributed with the rounded insulation of longitudal section Layer 6, and the first fill material 7 is filled between internal layer 5 and insulating layer 6, the outer surface of internal layer 5 is in rectangle projective structure, and The position of 5 outer surface rectangle projective structure of internal layer and the position of wearing layer 2 correspond, and the connection side of internal layer 5 and jacket layer 1 Formula is to be connected together, and is convenient for for internal layer 5 and jacket layer 1 being correspondingly connected in this way, it is ensured that stable connection is accurate, the outer end table of insulating layer 6 The inner wall of face and internal layer 5 pastes connection, and the outer wall of the internal end surface of insulating layer 6 and inner core 11 pastes connection, and insulating layer 6 It is angularly interspersed in the first connection ring 10, stable fixation is carried out to insulating layer 6 by the first connection ring 10；

Copper wire 8 is located at the inside of insulating layer 6, and copper wire 8 is arranged in the internal symmetry of insulating layer 6, and insulating layer 6 and copper The second fill material 9 is filled between line 8, the outer end face of insulating layer 6 is connected with the first connection ring 10, and the first connection ring 10 Inside be provided with inner core 11, the inside of inner core 11 is angularly provided with lantern ring 12, and by being connected between 12 monomer of lantern ring The second connection ring 13 in 12 outer end face of lantern ring is contacted, and the connection type of lantern ring 12 and the second connection ring 13 is welding, And the outer end face of lantern ring 12 is in rectangle convex shape structure, and the connection type of lantern ring 12 and inner core 11 is to be connected together, and is led to It crosses lantern ring 12 to be convenient for across stainless steel wire, to reinforce the tensile strength of the cable, the inside of the second connection ring 13 is filled with the Three fill materials 14.

As in Fig. 1 and Fig. 2 the connection type of jacket layer 1 and wearing layer 2 be paste connection, and recess 4 on jacket layer 1 angularly Distribution can increase the wearability of the cable by the wearing layer 2 that material is silica coating, thus prolong the service life, And recess 4 is then attached convenient for jacket layer 1 and internal layer 5.

Working principle: when using the light rail high flexibility ceramic polyolefin fireproof cable, pass through recess 4 and internal layer first The projective structure on 5 surfaces, convenient for internal layer 5 and jacket layer 1 to be attached, and the material of jacket layer 1 is polyolefin, so that the cable Fire protecting performance all arrives enhancing, meanwhile, the material of internal layer 5 is polyurethane, further strengthens the fireproofing of cable performance；

And the wearing layer 2 that material is silica coating increases the wearability of the cable, so that the service life is extended, material Copper wire 8 is wrapped up by the first fill material 7 that material is glass fibre for the insulating layer 6 of rubber, copper wire 8 can be fixed Protection, and series winding is then fixed by the first connection ring 10 between monomer insulating layer 6, meanwhile, lantern ring 12 is by being connected together Mode be mounted on inner core 11, it is convenient to be inserted into stainless steel wire inside lantern ring 12, to increase the tensile strength of the cable, and The material and the first fill material 7 of second fill material 9 and third fill material 14 are identical, carry out to the internal structure of cable Fixed ring protection, here it is the whole process that the light rail high flexibility ceramic polyolefin fireproof cable uses, in this specification not The content being described in detail belongs to the prior art well known to professional and technical personnel in the field.

The standardized element that the utility model uses can commercially, shaped piece according to specification and attached drawing Record can carry out customized, the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering Equal conventional means are connect, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection is using existing Conventional connection type in technology, this will not be detailed here.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of light rail high flexibility ceramic polyolefin fireproof cable, including jacket layer (1) and copper wire (8), it is characterised in that: described The outer surface of jacket layer (1) is connected with wearing layer (2), and recess (4) are offered on the inner wall of jacket layer (1), and jacket layer (1) is interior Side is formed with cavity (3), and the inside of the cavity (3) is interspersed with thickness and the identical internal layer (5) of wearing layer (2) thickness, and interior It is evenly distributed with the rounded insulating layer of longitudal section (6) on the inside of layer (5), and is filled between internal layer (5) and insulating layer (6) First fill material (7)；

The copper wire (8) is located at the inside of insulating layer (6), and copper wire (8) is arranged in the internal symmetry of insulating layer (6), and absolutely The second fill material (9) are filled between edge layer (6) and copper wire (8), the outer end face of the insulating layer (6) is connected with the first company It connects ring (10), and is provided with inner core (11) on the inside of the first connection ring (10), the inside of the inner core (11) is angularly provided with Lantern ring (12), and gone here and there between lantern ring (12) monomer by the second connection ring (13) being connected in lantern ring (12) outer end face Even, the inside of second connection ring (13) is filled with third fill material (14).

2. a kind of light rail high flexibility ceramic polyolefin fireproof cable according to claim 1, it is characterised in that: the set The connection type of layer (1) and wearing layer (2) is to paste connection, and recess (4) is in jacket layer (1) spaced at equal angles around.

3. a kind of light rail high flexibility ceramic polyolefin fireproof cable according to claim 1, it is characterised in that: in described The outer surface of layer (5) is in rectangle projective structure, and the position of the position of internal layer (5) outer surface rectangle projective structure and wearing layer (2) One-to-one correspondence is set, and the connection type of internal layer (5) and jacket layer (1) is to be connected together.

4. a kind of light rail high flexibility ceramic polyolefin fireproof cable according to claim 1, it is characterised in that: described exhausted The inner wall of the outer end face of edge layer (6) and internal layer (5) pastes connection, and the internal end surface of insulating layer (6) and inner core (11) is outer Wall pastes connection, and insulating layer (6) is angularly interspersed on the first connection ring (10).

5. a kind of light rail high flexibility ceramic polyolefin fireproof cable according to claim 1, it is characterised in that: the set The connection type of ring (12) and the second connection ring (13) is welding, and the outer end face of lantern ring (12) is in rectangle convex shape structure, And the connection type of lantern ring (12) and inner core (11) is to be connected together.