CN217767888U

CN217767888U - Flame-retardant power cable

Info

Publication number: CN217767888U
Application number: CN202221985900.2U
Authority: CN
Inventors: 梁骥; 许美娇
Original assignee: Jiangsu Tiandi Cable Co ltd
Current assignee: Jiangsu Tiandi Cable Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-08
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a fire resistance power cable, including the cable main part, one side on cable main part top and one side of bottom are all fixed to be equipped with and connect the montant, and every one side of connecting the montant is all fixed to be equipped with and connects the horizontal pole, and two one ends of connecting the horizontal pole respectively with be connected the top and the bottom fixed connection that keep off cover one side, the middle part of cable main part outer wall alternates and is equipped with the lag. The utility model discloses a connection montant that the cable main part is connected with the connection horizontal pole of being connected with the fender cover and being connected, the lag is connected and is connected with fender ring and outer spiral ring respectively, interior spiral cover is connected with the arc fixed block, can make this power cable protecting effect better, after two power cable's wire core is connected, the outer spiral ring that the accessible protection casing is connected with interior spiral cover cooperation, thereby make the lag protect the connection position, avoid connecting the position seepage scheduling problem to appear, avoid the cable electric leakage, short circuit scheduling problem, the security that the improvement cable used, the life of extension cable.

Description

Flame-retardant power cable

Technical Field

The utility model relates to a power cable technical field, in particular to fire resistance power cable.

Background

A power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, and the like. The power cable type effectively solves the problems that the existing power cable is easy to generate electric leakage and short circuit, poor in safety performance and short in service life of the cable.

And the power cable protective effect in the above-mentioned patent is not good, power cable is when connecting, two power cable's wire core is connected, this process need peel off the outside insulating material of cable, after the cable junction, the cable conductive part exposes, need protect the connection part, can't guarantee the protection to the connection part, easily lead to the easy infiltration scheduling problem that appears in cable junction position, cause cable electric leakage, short circuit scheduling problem, easily produce the potential safety hazard, power cable flame retardant property in the above-mentioned patent is not good simultaneously, lead to its life to reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire resistance power cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire resistance power cable, includes cable body, one side on cable body top and one side of bottom are all fixed to be equipped with connects the montant, every connect one side of montant all fixed be equipped with connect the horizontal pole, two the one end of connecting the horizontal pole respectively with be connected the top and the bottom fixed connection that keep off cover one side, the middle part of cable body outer wall alternates and is equipped with the lag, the avris of lag one end and the avris fixed connection that keeps off ring one end, the inner wall that keeps off the ring alternates with one side of cable body outer wall and is connected, the fixed outer spiro that is equipped with in one side of lag outer wall, one side of cable body outer wall alternates and is equipped with interior spiral cover, the top and the bottom of interior spiral cover one side are all fixed and are equipped with the arc fixed block.

Preferably, the middle part of the outer wall of the protective sleeve is connected with the inner wall of the connecting blocking cover in an inserting mode, and the outer diameter of the blocking ring is matched with the inner diameter of the connecting blocking cover.

Preferably, the outer diameter of the outer spiral ring is matched with the inner diameter of the inner spiral cover in the radial direction, one end of each arc-shaped fixing block is provided with a notch, and a positioning bolt is in threaded connection with a positioning screw hole formed in the inner wall of each notch.

Preferably, the cable main body includes a filling layer, a plurality of first insulating sleeves are fixedly arranged on an inner wall of the filling layer, and a conductor core is fixedly arranged on an inner wall of each first insulating sleeve.

Preferably, the outer wall of the filling layer is fixedly provided with a first flame-retardant layer, and the outer wall of the first flame-retardant layer is fixedly provided with a second flame-retardant layer.

Preferably, a second insulating sleeve is fixedly arranged on the outer wall of the second flame-retardant layer, and a wear-resistant protective layer is fixedly arranged on the outer wall of the second insulating sleeve.

The utility model discloses a technological effect and advantage:

(1) The connecting vertical rods connected through the cable main body are connected with the connecting cross rods connected with the connecting retaining covers, the protecting sleeves are connected with the retaining rings and the outer spiral rings respectively, the inner spiral cover is connected with the arc-shaped fixing blocks, so that the power cable has better protection effect, and after the wire cores of the two power cables are connected, the outer spiral rings connected through the protecting covers are matched and connected with the inner spiral cover, so that the protecting sleeves protect the connecting parts, the problems of water seepage and the like at the connecting parts are avoided, the problems of electric leakage, short circuit and the like of the cables are avoided, the use safety of the cables is improved, and the service lives of the cables are prolonged;

(2) Make by the polypropylene material through the filling layer, first insulating cover is made by the polyvinyl chloride material, first fire-retardant layer is made by the glass fiber material, the fire-retardant layer of second is made by the silica gel material, first fire-retardant layer cooperates with the fire-retardant layer of second, can improve the fire behaviour of cable, improve the life of cable, the insulating cover of second is made by rubber materials, wear-resisting inoxidizing coating is made by the polyurethane material, the insulating cover of second cooperates with wear-resisting inoxidizing coating, it is better to guarantee the outside wear-resisting effect of cable.

Drawings

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

fig. 2 is an enlarged schematic view of the present invention at a in fig. 1;

fig. 3 is a schematic structural view of the cable main body of the present invention.

In the figure: 1. a cable main body; 2. connecting the vertical rods; 3. connecting the cross bars; 4. connecting a blocking cover; 5. a baffle ring; 6. a protective sleeve; 7. an exo-spiro ring; 8. an inner screw cover; 9. an arc-shaped fixing block; 10. slotting; 11. positioning a bolt; 12. a filling layer; 13. a first insulating sleeve; 14. a wire core; 15. a first flame retardant layer; 16. a second flame retardant layer; 17. a second insulating sleeve; 18. and a wear-resistant protective layer.

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.

The utility model provides a fire resistance power cable as shown in fig. 1-fig. 3, including cable main part 1, one side on cable main part 1 top and one side of bottom are all fixed to be equipped with and connect montant 2, every one side of connecting montant 2 is all fixed to be equipped with and connects horizontal pole 3, two one ends of connecting horizontal pole 3 respectively with be connected the top and the bottom fixed connection that keep off cover 4 one side, the middle part interlude of cable main part 1 outer wall is equipped with lag 6, the avris of lag 6 one end and the avris fixed connection that keeps off ring 5 one end, the inner wall that keeps off ring 5 alternates with one side of cable main part 1 outer wall and is connected, the fixed outer spiro ring 7 that is equipped with in one side of lag 6 outer wall, the one side interlude of cable main part 1 outer wall is equipped with interior spiral shell 8, the top and the bottom of interior spiral shell 8 one side are all fixed to be equipped with arc fixed block 9, the middle part of lag 6 outer wall alternates with the inner wall that is connected and is kept off cover 4 and is connected, the external diameter looks adaptation of ring 5, the external diameter of spiral shell 8 and the internal diameter of spiral shell 8 adaptation, the external diameter of external screw thread is equipped with positioning bolt 11, the equal seting 10 of seting is seted up.

The cable main body 1 comprises a filling layer 12, the filling layer 12 is made of a polypropylene material, a plurality of first insulation sleeves 13 are fixedly arranged on the inner wall of the filling layer 12, the first insulation sleeves 13 are made of a polyvinyl chloride material, a conductor core 14 is fixedly arranged on the inner wall of each first insulation sleeve 13, a first flame-retardant layer 15 is fixedly arranged on the outer wall of the filling layer 12, the first flame-retardant layer 15 is made of a glass fiber material, a second flame-retardant layer 16 is fixedly arranged on the outer wall of the first flame-retardant layer 15, the second flame-retardant layer 16 is made of a silica gel material, the first flame-retardant layer 15 is matched with the second flame-retardant layer 16, the flame-retardant performance of the cable can be improved, a second insulation sleeve 17 is fixedly arranged on the outer wall of the second flame-retardant layer 16, the second insulation sleeve 17 is made of a rubber material, a wear-resistant protective layer 18 is fixedly arranged on the outer wall of the second insulation sleeve 17, the wear-resistant protective layer 18 is made of a polyurethane material, the second insulation sleeve 17 is matched with the wear-resistant protective layer 18, and the outer wear-resistant effect of the cable is better.

The utility model discloses the theory of operation: when the power cable is used, a lead wire core 14 of a cable main body 1 is connected with another cable, after the two cables are connected, a person sleeves an inner spiral cover 8 on the other cable, then pulls a protective sleeve 6, the protective sleeve 6 moves in a connecting blocking cover 4, so that the protective sleeve 6 covers the cable connecting part, after a blocking ring 5 connected with the protective sleeve 6 moves into the connecting blocking cover 4, a connecting vertical rod 2 connected with the cable main body 1 is connected with a connecting horizontal rod 3, the connecting horizontal rod 3 is connected with the connecting blocking cover 4, the fixing of the connecting blocking cover 4 can be ensured, the blocking ring 5 is clamped into the connecting blocking cover 4 to be blocked, then the person aligns the connecting spiral ring 7 of the protective sleeve 6 with the inner spiral cover 8, rotates the outer spiral ring 7 to be in threaded connection with the inner spiral cover 8, after the outer spiral ring 7 is tightly connected with the inner spiral cover 8, the person tightens the inner spiral cover 8, then tightens a positioning bolt 11, the positioning bolt 11 rotates in a positioning screw hole formed in a groove 10, the positioning bolt 11 can be fixed on another cable by matching with the arc-shaped fixing block 9 to ensure the protection of the cable connection part, the cable main body 1 comprises a filling layer 12, the filling layer 12 is made of polypropylene material, the filling layer 12 is connected with a plurality of first insulating sleeves 13, the first insulating sleeves 13 are made of polyvinyl chloride material, the inner wall of each first insulating sleeve 13 is provided with a wire core 14, the outer wall of the filling layer 12 is connected with a first flame-retardant layer 15, the first flame-retardant layer 15 is made of glass fiber material, the outer wall of the first flame-retardant layer 15 is connected with a second flame-retardant layer 16, the second flame-retardant layer 16 is made of silica gel material, the first flame-retardant layer 15 is matched with the second flame-retardant layer 16 to improve the flame-retardant property of the cable, the outer wall of the second flame-retardant layer 16 is connected with a second insulating sleeve 17, the second insulating sleeve 17 is made of rubber material, the outer wall of the second insulating sleeve 17 is connected with a wear-resistant protective layer 18, the wear-resistant protective layer 18 is made of a polyurethane material, and the second insulating sleeve 17 is matched with the wear-resistant protective layer 18, so that the outer wear-resistant effect of the cable is better.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A flame-retardant power cable comprising a cable main body (1), characterized in that: one side on cable main part (1) top and one side of bottom are all fixed and are equipped with connection montant (2), every the one side of connecting montant (2) is all fixed and is equipped with connection horizontal pole (3), two the one end of connecting horizontal pole (3) respectively with be connected the top and the bottom fixed connection that keep off cover (4) one side, the middle part of cable main part (1) outer wall alternates and is equipped with lag (6), the avris of lag (6) one end and the avris fixed connection that keeps off ring (5) one end, the inner wall that keeps off ring (5) alternates with one side of cable main part (1) outer wall and is connected, one side of lag (6) outer wall is fixed and is equipped with outer spiro (7), one side of cable main part (1) outer wall alternates and is equipped with interior spiral cover (8), the top and the bottom of interior spiral cover (8) one side are all fixed and are equipped with arc fixed block (9).

2. A flame retardant power cable according to claim 1, wherein: the middle of the outer wall of the protecting sleeve (6) is connected with the inner wall of the connecting blocking cover (4) in a penetrating mode, and the outer diameter of the blocking ring (5) is matched with the inner diameter of the connecting blocking cover (4).

3. A flame retardant power cable according to claim 1, wherein: the outer diameter of the outer spiral ring (7) is matched with the inner diameter of the inner spiral cover (8) in a radial mode, one end of each arc-shaped fixing block (9) is provided with a notch (10), and a positioning bolt (11) is connected into a positioning screw hole formed in the inner wall of each notch (10) in a threaded mode.

4. A flame retardant power cable according to claim 1, wherein: the cable body (1) comprises a filling layer (12), a plurality of first insulating sleeves (13) are fixedly arranged on the inner wall of the filling layer (12), and a conductor core (14) is fixedly arranged on the inner wall of each first insulating sleeve (13).

5. A flame retardant power cable according to claim 4, wherein: the outer wall of filling layer (12) is fixed and is equipped with first fire-retardant layer (15), the outer wall of first fire-retardant layer (15) is fixed and is equipped with second fire-retardant layer (16).

6. A flame retardant power cable according to claim 5, wherein: and a second insulating sleeve (17) is fixedly arranged on the outer wall of the second flame-retardant layer (16), and a wear-resistant protective layer (18) is fixedly arranged on the outer wall of the second insulating sleeve (17).