CN210429362U

CN210429362U - Mineral substance insulation high-temperature-resistant fireproof cable

Info

Publication number: CN210429362U
Application number: CN201921561471.4U
Authority: CN
Inventors: 何建荣; 窦国祥; 吴树谦; 蒋祖良; 何璐; 宗蕾
Original assignee: Jiangsu Hongyun Cable Co ltd
Current assignee: Jiangsu Hongyun Cable Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-04-28
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses an insulating high temperature resistant fireproof cable of mineral substance, including the protective sheath, the protective sheath is the annular array setting, install the electrically conductive filament in the protective sheath, protective sheath externally mounted has the nylon wire, protective sheath externally mounted has fixed knot to construct, the holistic length direction equidistance of fixed knot structure cable along the line sets up, fixed knot constructs by first solid fixed ring, the solid fixed ring of second, hinge and joint post are constituteed, the hinge is installed to the solid fixed ring's of first solid fixed ring and second one end junction, the one end that the hinge was not installed to first solid fixed ring is provided with the joint groove, the solid fixed joint post that is provided with of one end of installing the hinge that does not install of second, joint post and the solid fixed ring integrated. The utility model discloses, it is fixed to make things convenient for the cable after wiring or other operations more.

Description

Mineral substance insulation high-temperature-resistant fireproof cable

Technical Field

The utility model relates to a fireproof cable art field specifically is an insulating high temperature resistant fireproof cable of mineral substance.

Background

Cables are carriers for power transmission, and in order to transmit power over a long distance, the cables need to be cut and connected to each other, and in order to monitor the state of the cables during operation, the cables need to be connected to power equipment.

The utility model discloses an applicant discovers, current mineral substance insulation high temperature resistant fireproof cable is when using, and the length of tailorring can be longer than required length, tailors to be difficult to fix internal conductive wire filament isotructure after connecting, causes to use inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mineral substance insulation high temperature resistant fireproof cable to solve among the prior art mineral substance insulation high temperature resistant fireproof cable when using, the length of tailorring can be longer than required length, tailors the problem that is difficult to fix internal conductive wire filament isotructure after connecting.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an insulating high temperature resistant fireproof cable of mineral substance, includes the protective sheath, the protective sheath is the annular array setting, install the electrically conductive filament in the protective sheath, protective sheath externally mounted has the nylon wire, protective sheath externally mounted has fixed knot to construct, the holistic length direction equidistance of fixed knot cable along the line sets up, fixed knot constructs by first solid fixed ring, the solid fixed ring of second, hinge and joint post are constituteed, the hinge is installed to the one end junction of first solid fixed ring and the solid fixed ring of second, the one end that the hinge was not installed to first solid fixed ring is provided with the joint groove, the fixed joint post that is provided with of the solid fixed ring one end of installing the hinge of second, joint post and the solid fixed ring integrated into.

Preferably, the whole L font that is of joint post, joint groove and joint post phase-match, the one end of joint post sets up the arch, the joint inslot be provided with the protruding assorted of joint post sunken.

Preferably, fixed knot constructs's outside parcel has fire-retardant layer, fire-retardant layer's outside parcel has high temperature resistant layer, high temperature resistant layer's outside parcel has the wearing layer, the outside parcel of wearing layer has mineral insulating layer, mineral insulating layer's outside parcel has insulating surrounding layer.

Preferably, the outer part of the insulating outer cladding layer is provided with reinforcing grooves which are equidistantly arranged along the whole length direction of the cable and are in one-to-one correspondence with the fixed structures, and metal reinforcing rings are arranged in the reinforcing grooves.

Preferably, the inner side of the reinforcing groove is annularly provided with a limiting recess, the inner side of the metal reinforcing ring is annularly provided with a limiting protrusion, and the limiting protrusion is matched with the limiting recess.

Preferably, the inner side shapes of the first fixing ring and the second fixing ring are matched with the nylon wire and the protective sleeve, and a notch used for installing the hinge and rotating is formed in the joint of one end of the first fixing ring and the one end of the second fixing ring.

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

1. carry out the rigidity of protective sheath and nylon wire through fixed knot structure, avoid conducting wire silk and nylon wire offset, fixed knot structure can be dismantled and shift position, and the cable after convenient wiring more or other operations is fixed.

2. The metal reinforcing ring is installed in the reinforcing groove on the outer side of the insulating outer cladding layer, positioning is carried out through the positioning recess and the positioning protrusion, the position of the fixing structure is determined, and the strength of the cable is also enhanced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the structure of the insulating wrapping of the present invention;

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

fig. 4 is a schematic structural view of the fixing structure of the present invention;

fig. 5 is a schematic view illustrating the connection between the first fixing ring and the second fixing ring according to the present invention;

fig. 6 is an enlarged schematic view of the area a of the present invention.

In the figure: 1. a metal reinforcing ring; 2. an insulating outer cladding; 3. a fixed structure; 31. a first retaining ring; 32. a second retaining ring; 33. a hinge; 34. a clamping column; 35. a clamping groove; 4. a nylon thread; 5. a protective sleeve; 6. a conductive wire; 7. a reinforcing groove; 8. limiting and sinking; 9. a limiting bulge; 10. a flame retardant layer; 11. a high temperature resistant layer; 12. a wear layer; 13. a mineral insulating layer.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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. 1-6, in an embodiment of the present invention, a mineral insulated high temperature resistant fireproof cable includes a protective sheath 5, the protective sheath 5 is disposed in an annular array, a conductive filament 6 is installed in the protective sheath 5, a nylon wire 4 is installed outside the protective sheath 5, a fixing structure 3 is installed outside the protective sheath 5, the fixing structure 3 is disposed along the entire length direction of the cable at equal intervals, the fixing structure 3 is composed of a first fixing ring 31, a second fixing ring 32, a hinge 33 and a clamping column 34, a hinge 33 is installed at a joint of one ends of the first fixing ring 31 and the second fixing ring 32, inner shapes of the first fixing ring 31 and the second fixing ring 32 are both matched with the nylon wire 4 and the protective sheath 5, a gap for installing the hinge 33 and rotating is disposed at a joint of one ends of the first fixing ring 31 and the second fixing ring 32, a clamping groove 35 is disposed at an end of the first fixing ring 31, the end of the second fixing ring 32, which is not provided with the hinge 33, is fixedly provided with a clamping column 34, the clamping column 34 and the second fixing ring 32 are integrally formed, the whole clamping column 34 is L-shaped, a clamping groove 35 is matched with the clamping column 34, the connection of the first fixing ring 31 and the second fixing ring 32 is realized through the clamping of the clamping groove 35 and the clamping column 34, one end of the clamping column 34 is provided with a bulge, a depression matched with the bulge of the clamping column 34 is arranged in the clamping groove 35, the stability of the clamping column 34 and the clamping groove 35 is enhanced through the bulge and the depression, the fixed structure 3 is externally wrapped with a flame-retardant layer 10, the flame-retardant layer 10 is externally wrapped with a high-temperature-resistant layer 11, the high-temperature-resistant layer 11 is externally wrapped with a wear-resistant layer 12, the exterior of the wear-resistant layer 12 is wrapped with a mineral insulating layer 13, the exterior of, the reinforcing grooves 7 are equidistantly arranged along the length direction of the whole cable and correspond to the fixed structures 3 one by one, the metal reinforcing rings 1 are installed in the reinforcing grooves 7, the positions of the fixed structures 3 are determined through the positions of the metal reinforcing rings 1, limiting recesses 8 are annularly arranged on the inner sides of the reinforcing grooves 7, limiting protrusions 9 are annularly arranged on the inner sides of the metal reinforcing rings 1, the limiting protrusions 9 are matched with the limiting recesses 8, and positioning is carried out through the positioning recesses 8 and the positioning protrusions 9; protective sheath 5 and nylon wire 4 carry out the rigidity through fixed knot constructs 3, and then the position of fixed conducting wire filament 6, metal reinforcing ring 1 is installed in reinforcing groove 7, fix a position through location sunken 8 and location arch 9, the one end of the solid fixed ring of first fixed ring 31 and the solid fixed ring of second 32 is connected through hinge 33, the other end of the solid fixed ring of first fixed ring 31 and the solid fixed ring of second 32 is connected through the joint of joint post 34 with joint groove 35, cutting out the cable, connect after the operation such as, can dismantle and remove fixed knot constructs 3's position with fixed required position.

The utility model discloses a theory of operation and use flow: protective sheath 5 and nylon wire 4 carry out the rigidity through fixed knot constructs 3, and then the position of fixed conducting wire filament 6, metal reinforcing ring 1 is installed in reinforcing groove 7, fix a position through location sunken 8 and location arch 9, the one end of the solid fixed ring of first fixed ring 31 and the solid fixed ring of second 32 is connected through hinge 33, the other end of the solid fixed ring of first fixed ring 31 and the solid fixed ring of second 32 is connected through the joint of joint post 34 with joint groove 35, cutting out the cable, connect after the operation such as, can dismantle and remove fixed knot constructs 3's position with fixed required position.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high temperature resistant fireproof cable of mineral substance insulation, includes protective sheath (5), its characterized in that: the protective sleeve (5) is arranged in an annular array, the conductive wires (6) are arranged in the protective sleeve (5), the nylon wire (4) is arranged outside the protective sleeve (5), the fixing structure (3) is arranged outside the protective sleeve (5), the fixing structures (3) are arranged at equal intervals along the length direction of the whole cable, the fixing structures (3) are composed of a first fixing ring (31), a second fixing ring (32), a hinge (33) and a clamping column (34), a hinge (33) is arranged at the joint of one end of the first fixing ring (31) and one end of the second fixing ring (32), one end of the first fixing ring (31) which is not provided with the hinge (33) is provided with a clamping groove (35), the one end that hinge (33) were not installed in solid fixed ring of second (32) is fixed and is provided with joint post (34), joint post (34) and solid fixed ring of second (32) integrated into one piece.

2. The mineral insulated high temperature resistant fireproof cable of claim 1, wherein: the joint post (34) is wholly L-shaped, the joint groove (35) is matched with the joint post (34), one end of the joint post (34) is provided with a bulge, and a recess matched with the bulge of the joint post (34) is formed in the joint groove (35).

3. The mineral insulated high temperature resistant fireproof cable of claim 1, wherein: the outside parcel of fixed knot structure (3) has fire-retardant layer (10), the outside parcel of fire-retardant layer (10) has high temperature resistant layer (11), the outside parcel of high temperature resistant layer (11) has wearing layer (12), the outside parcel of wearing layer (12) has mineral insulating layer (13), the outside parcel of mineral insulating layer (13) has insulating surrounding layer (2).

4. The mineral insulated high temperature resistant fireproof cable of claim 3, wherein: the outer part of the insulating outer cladding layer (2) is provided with reinforcing grooves (7), the reinforcing grooves (7) are arranged at equal intervals along the length direction of the whole cable and are in one-to-one correspondence with the fixed structures (3), and metal reinforcing rings (1) are installed in the reinforcing grooves (7).

5. The mineral insulated high temperature resistant fireproof cable of claim 4, wherein: the inner side of the reinforcing groove (7) is annularly provided with a limiting recess (8), the inner side of the metal reinforcing ring (1) is annularly provided with a limiting protrusion (9), and the limiting protrusion (9) is matched with the limiting recess (8).

6. The mineral insulated high temperature resistant fireproof cable of claim 1, wherein: the inboard shape of first solid fixed ring (31), the solid fixed ring of second (32) all with nylon wire (4), protective sheath (5) phase-match, the one end junction of first solid fixed ring (31) and the solid fixed ring of second (32) is provided with and is used for installing hinge (33) and pivoted breach.