CN212303141U

CN212303141U - 0.6KV or 1KV irradiation cross-linked insulating fire-resistant flame-retardant cable for building

Info

Publication number: CN212303141U
Application number: CN202020995426.6U
Authority: CN
Inventors: 杨涛
Original assignee: Jiangsu Dasheng Cable Co ltd
Current assignee: Jiangsu Dasheng Cable Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-05
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a 0.6KV or 1KV irradiation crosslinking insulation fire-resistant flame-retardant cable for construction, which comprises a filling layer, an oxygen isolation layer, an armor layer and an outer sheath; the outer side of the filling layer is fixedly connected with a wrapping layer, and the filling layer wraps the outer side of the insulating layer; the oxygen isolation layer is fixedly connected to the outer side of the wrapping layer; the armor layer is fixedly connected to the outer side of the oxygen barrier layer; the outer sheath is sleeved outside the armor layer; the filling layer comprises an inner filling layer and an outer filling layer, and the outer filling layer is wrapped on the inner filling layer; the wrapping layer is a semiconductive nylon tape with an inner groove vertically and longitudinally processed on the outer wall, the oxygen isolation layer is positioned between the insulating layer and the armor layer and is insulated by a mica tape, and the oxygen isolation layer is coated outside the insulating layer to form an oxygen isolation layer fireproof technology; the outer sheath is the outermost layer of the cable and is a polyethylene insulator sheath. The pipe that the outside was worn is called the protection pipe, and the dense numb of oversheath outermost layer is processed there is the pit arch, plays anti-skidding effect in cable installation or transfer construction occasion.

Description

0.6KV or 1KV irradiation cross-linked insulating fire-resistant flame-retardant cable for building

Technical Field

The utility model belongs to the cable structure field, more specifically say, in particular to 0.6KV or 1KV irradiation crosslinked insulation fire-resistant flame retarded cable for building.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors, at least two in each group, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The device is erected in the air or installed underground or underwater for telecommunication or power transmission. The insulated wire is formed by arranging one or more mutually insulated conductive wire cores in a sealed sheath. It may be coated with a protective coating for transmitting, distributing electrical energy or transmitting electrical signals. The difference between the cable and the common wire is mainly that the cable is large in size and complex in structure. The cable mainly comprises a conductive wire core, an insulating layer, a sealing sheath and a protective covering layer. In order to avoid corrosion of the steel belts and wires by the surrounding medium, they are generally coated with asphalt or wrapped with an impregnated jute layer or an extruded polyethylene or polyvinyl chloride sheath.

The above patent describes that, like the existing cable, the cable is bent many times during use, so that the inner insulating layer and the sealing sheath or the protective covering layer wrapping the insulating layer are easily disconnected, and the strength of the cable is affected.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and 0.6KV or 1KV irradiation crosslinking insulation fire-resistant flame-retardant cable for construction is provided, so as to achieve the purpose of more practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an insulating fire-resistant flame retarded cable of 0.6KV or 1KV irradiation cross-linking for building to solve similar current cable and pass through many times in the use and buckle, make inside insulating layer and the sealed sheath or the protection overburden of parcel insulating layer break away from the connection easily, influence the problem of the intensity of cable.

The utility model discloses purpose and efficiency of 0.6KV or 1KV irradiation crosslinked insulation fire-resistant flame retarded cable for building reach by following specific technological means:

the 0.6KV or 1KV irradiation crosslinking insulating fire-resistant flame-retardant cable for the building comprises a filling layer, an oxygen isolation layer, an armor layer and an outer sheath; the outer side of the filling layer is fixedly connected with a wrapping layer, and the filling layer wraps the outer side of the insulating layer; the oxygen isolation layer is fixedly connected to the outer side of the wrapping layer; the armor layer is fixedly connected to the outer side of the oxygen barrier layer; the outer sheath is sleeved outside the armor layer.

Furthermore, the filling layer comprises an inner filling layer and an outer filling layer, and the outer filling layer is wrapped on the inner filling layer.

Furthermore, the wrapping layer is a semiconductive nylon belt with an inner groove vertically and longitudinally processed on the outer wall.

Further, mica tape materials with outer groove structures are longitudinally arranged on the inner wall of the oxygen isolation layer at intervals and are uniformly processed, and an outer convex strip structure is also processed between two outer grooves on the inner wall of the oxygen isolation layer.

Furthermore, square pit bulges are densely distributed on the outer wall of the outer sheath.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses structural improvement has been carried out on current cable structure, mainly embodied: the filling layer of the structure adopts a double-layer filling layer, the outer filling layer of the polypropylene material wraps the inner filling layer of the non-woven fabric material, so that the impact resistance is further improved, the mechanical property is strong and tough, the corrosion of various organic solvents and acid and alkali is resisted, an inner groove and an outer convex strip are processed at the joint of the wrapping layer and the oxygen isolating layer, the tightness of the connection of the wrapping layer and the oxygen isolating layer can be increased, the friction force is enhanced, the phenomenon that the wrapping layer and an inner conductor are connected and loosened to be pulled away through multiple folding actions is avoided, the oxygen isolating layer of the fireproof cable is positioned between the insulating layer and the armor layer and is insulated by a mica tape, the oxygen isolating layer wraps the insulating layer, and the fireproof technology of the oxygen isolating layer is; the outer sheath is the outermost layer of the cable and is a polyethylene insulator sheath; the pipe worn outside is called a protective pipe, and the dense hemp at the outermost layer of the outer sheath is processed with pits and bulges, so that the pipe can play a role of skid resistance in construction occasions such as cable installation or transfer.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the inner groove structure of the present invention.

Fig. 3 is a partially enlarged view of fig. 1 according to the present invention.

Fig. 4 is a partially enlarged view of fig. 2B according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an insulating layer; 2. a filling layer; 201. an inner filling layer; 202. an outer filling layer; 3. wrapping a covering; 301. an inner groove; 4. an oxygen barrier layer; 401. an outer groove; 402. an outer convex strip; 5. an armor layer; 6. an outer sheath.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like refer to the orientation or positional relationship shown in the drawings, which are for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a 0.6KV or 1KV irradiation crosslinking insulation fire-resistant flame-retardant cable for construction, which comprises a filling layer 2, an oxygen isolation layer 4, an armor layer 5 and an outer sheath 6; the outer side of the filling layer 2 is fixedly connected with a wrapping layer 3, and the filling layer 2 wraps the outer side of the insulating layer 1; the oxygen isolation layer 4 is fixedly connected to the outer side of the wrapping layer 3; the armor layer 5 is fixedly connected to the outer side of the oxygen barrier layer 4; the outer sheath 6 is sleeved outside the armor layer 5.

The filling layer 2 of the structure is shown in fig. 3, the outer filling layer 202 made of polypropylene material wraps the inner filling layer 201 made of non-woven fabric material, so that the impact resistance is further improved, the mechanical property is strong and tough, and the resistance to corrosion of various organic solvents and acid and alkali is further improved.

Wherein, be perpendicular longitudinal processing to have the semiconduction nylon area of inner groovy 301 on the outer wall around covering 3, the mica tape material that has outer recess 401 structure is evenly processed at the longitudinal arrangement interval on the inner wall that separates oxygen layer 4, and it has outer convex 402 structure still to process in the middle of two outer recesses 401 on the inner wall that separates oxygen layer 4, this structure around covering 3 and separate oxygen layer 4 as shown in figure 4, processing has inner groovy 301 and outer convex 402 around the junction of covering 3 and separating oxygen layer 4, the multiplicable compactness of being connected around covering 3 and separating oxygen layer 4, reinforcing frictional force, avoid making to be connected loosely and take place to pull away around covering 3 and inner conductor through folding action many times.

The outer sheath 6 with the structure is shown in figure 1, the outer sheath 6 is the outermost layer of the cable and is a polyethylene insulator sheath, and the outermost layer of the outer sheath 6 is densely provided with the pits and the projections, so that the anti-skid function can be realized in construction occasions such as cable installation or transfer.

The specific use mode and function of the embodiment are as follows:

in the utility model, the outer sheath 6 is the outmost layer of the cable, which is a polyethylene insulator sheath, the pipe worn outside is called a protection pipe, the outmost layer of the outer sheath 6 is processed with hemp protrusions to play the antiskid role in the construction occasions such as cable installation or transfer, the inner side of the outer sheath 6 is provided with the armor layer 5 which can enhance the hardness of the cable, prevent animals from biting and enhance the tensile strength and the anti-deformation capability of the cable, the inner part of the armor layer 5 is provided with the wrapping layer 3 and the oxygen isolation layer 4, the joint of the wrapping layer 3 and the oxygen isolation layer 4 is processed with the inner groove 301 and the outer convex strip 402, the tightness of the connection of the wrapping layer 3 and the oxygen isolation layer 4 can be increased, the friction force is enhanced, the phenomenon that the wrapping layer 3 is loosened together with the connection of the inner conductor and is extracted through a plurality of folding actions is avoided, the oxygen isolation layer 4 of the fireproof cable is positioned between the insulating layer 1 and the armor layer 5, an oxygen barrier layer 4 fireproof technology is formed; the outer filling layer 202 of the propylene material wraps the inner filling layer 201 of the non-woven fabric material, so that the impact resistance is further improved, the mechanical property is high, and the corrosion resistance of various organic solvents and acid and alkali is further improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The 0.6KV or 1KV irradiation crosslinking insulated fire-resistant flame-retardant cable for the building is characterized in that: comprises a filling layer (2), an oxygen isolation layer (4), an armor layer (5) and an outer sheath (6); the outer side of the filling layer (2) is fixedly connected with a wrapping layer (3), and the filling layer (2) wraps the outer side of the insulating layer (1); the oxygen isolation layer (4) is fixedly connected to the outer side of the wrapping layer (3); the armor layer (5) is fixedly connected to the outer side of the oxygen barrier layer (4); the outer sheath (6) is sleeved outside the armor layer (5).

2. The 0.6KV or 1KV irradiation crosslinked insulating fire-resistant flame-retardant cable for construction according to claim 1, wherein: the filling layer (2) comprises an inner filling layer (201) and an outer filling layer (202), and the outer filling layer (202) is wrapped on the inner filling layer (201).

3. The 0.6KV or 1KV irradiation crosslinked insulating fire-resistant flame-retardant cable for construction according to claim 1, wherein: the wrapping layer (3) is a semi-conductive nylon belt with an inner groove (301) vertically and longitudinally machined in the outer wall.

4. The 0.6KV or 1KV irradiation crosslinked insulating fire-resistant flame-retardant cable for construction according to claim 1, wherein: mica tape materials with outer groove (401) structures are longitudinally arranged on the inner wall of the oxygen isolation layer (4) at intervals and are uniformly processed, and an outer convex strip (402) structure is also processed between the two outer grooves (401) on the inner wall of the oxygen isolation layer (4).

5. The 0.6KV or 1KV irradiation crosslinked insulating fire-resistant flame-retardant cable for construction according to claim 1, wherein: square pit bulges are densely distributed on the outer wall of the outer sheath (6).