CN214624497U

CN214624497U - Ultralow temperature-resistant environment-friendly cross-linked polyolefin cable for wind power generation

Info

Publication number: CN214624497U
Application number: CN202121144124.9U
Authority: CN
Inventors: 徐长鹤; 徐长柏
Original assignee: Anhui Sitong Instrument Cable Co ltd
Current assignee: Anhui Sitong Instrument Cable Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-05
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a cross-linked polyolefin cable for ultra-low temperature resistant environment-friendly wind power generation, which comprises a sheath, the inside fixed mounting of sheath has the armor, gap department fixed mounting between sheath and the armor has interior sheath, the inside fixed mounting of armor has four outer rubber layers, the inside equal fixed mounting of shell on outer rubber layer has the reinforcement inner circle. The utility model discloses a mode of sheath in the position installation of sheath and armor contact makes the device wearing and tearing of armor to the sheath when using reduce, prevents that the hardness of armor from leading to the sheath to grind through, causes unexpected circumstances such as electric leakage, and still can make the low temperature unable conductor to cable inside exert an influence, prevents that the device can't work under low temperature environment. By the mode of installing the reinforcing inner ring in the shell of the outer rubber layer, the device can ensure that the shape of the inner cable is not obviously changed through the reinforcing inner ring when being recovered, and internal parts can be recycled.

Description

Ultralow temperature-resistant environment-friendly cross-linked polyolefin cable for wind power generation

Technical Field

The utility model relates to a cable manufacture technical field specifically is an ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation.

Background

With the rapid development of social economy, the use of the cable has also been popularized as one of the most common articles, and the crosslinked polyolefin cable is particularly common, and the crosslinked polyethylene insulated cable is a cable suitable for the fields of power distribution networks and the like, and has incomparable advantages compared with the PVC insulated cable. It has simple structure, light weight, high heat resistance, high load capacity, no smelting, high chemical corrosion resistance and high mechanical strength. The crosslinked polyethylene insulated cable is produced by chemical or physical process to convert the insulating polyethylene molecule from linear molecular structure to main netted molecular structure, i.e. thermoplastic polyethylene is converted to thermosetting crosslinked polyethylene, so that it has greatly raised heat resistance and mechanical performance, reduced shrinkage, no melting after being heated and excellent electric performance maintained.

However, the existing crosslinked polyolefin cable is often exposed to the outside air, which easily damages the outer surface rubber layer of the cable and further causes the overall damage or electric leakage of the cable, and the existing crosslinked polyolefin cable is difficult to work in an ultralow temperature environment, the cable shell is damaged at low temperature, and the cable is difficult to recycle; therefore, the existing requirements are not met, and the ultralow temperature-resistant environment-friendly cross-linked polyolefin cable for wind power generation is provided for the people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cross-linked polyolefin cable for resistant ultra-low temperature environment-friendly wind power generation to the cross-linked polyolefin cable who proposes in solving above-mentioned background art often exposes under the outside air, causes the damage and then leads to cable bulk damage or electric leakage to the surface rubber layer of cable easily, and current cross-linked polyolefin cable is difficult to work under the ultra-low temperature environment, and low temperature can lead to the cable jacket to damage, and the cable itself is difficult to recycle scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cross-linked polyolefin cable for ultra-low temperature resistant environment-friendly wind power generation, includes the sheath, the inside fixed mounting of sheath has the armor, gap department fixed mounting between sheath and the armor has interior sheath, the inside fixed mounting of armor has four outer rubber layers, the inside equal fixed mounting of shell on outer rubber layer has the reinforcement inner circle, the inside intermediate position fixed mounting of armor has the inner rubber layer, the inside fixed mounting on inner rubber layer has the abrasionproof layer, the inside fixed mounting of abrasionproof layer has the insulating layer.

Preferably, a plurality of outer conductors are fixedly mounted inside the outer rubber layer.

Preferably, the included angle between the inner rubber layer and the outer rubber layer is fixedly provided with a reinforcing layer, and the reinforcing cores are fixedly arranged in the reinforcing layer.

Preferably, the inner conductor is fixedly mounted inside the insulating layer.

Preferably, the rest positions inside the armor layer are filled with outer fillers.

Preferably, the remaining positions inside the outer rubber layer are all filled with the inner filler.

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

1. the utility model discloses a mode of sheath in the position installation of sheath and armor contact makes the device wearing and tearing of armor to the sheath when using reduce, prevents that the hardness of armor from leading to the sheath to grind through, causes unexpected circumstances such as electric leakage, and still can make the low temperature unable conductor to cable inside exert an influence, prevents that the device can't work under low temperature environment. By installing the reinforcing inner ring in the shell of the outer rubber layer, the device can ensure that the shape of the inner cable is not obviously changed by the reinforcing inner ring when being recovered, so that the internal parts can be recycled;

2. the utility model discloses a mode on position installation abrasionproof layer at inner rubber layer and insulating layer contact prevents that the insulating layer from being extrudeed the friction and leading to wearing and tearing, prevents that the inner conductor electric leakage from influencing the outer conductor. The cable is protected by the four reinforcing cores inside the device, and the influence on the inner conductor when the cable is bent is effectively prevented.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is an overall front view of the present invention;

fig. 3 is a cross-sectional side view of the utility model as a whole;

fig. 4 is a schematic view of a partial structure of the inner rubber layer of the present invention.

In the figure: 1. a sheath; 2. an armor layer; 3. an outer rubber layer; 4. an outer conductor; 5. an outer filler; 6. an inner filler; 7. a reinforcement layer; 8. an inner rubber layer; 9. an insulating layer; 10. an inner conductor; 11. a reinforcing core; 12. an anti-wear layer; 13. reinforcing the inner ring; 14. an inner sheath 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.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a cross-linked polyolefin cable for environment-friendly wind power generation of nai ultra-low temperature, including sheath 1, the inside fixed mounting of sheath 1 has armor 2, gap department fixed mounting between sheath 1 and the armor 2 has interior sheath 14, the inside fixed mounting of armor 2 has four outer rubber layers 3, the inside equal fixed mounting of shell on outer rubber layer 3 has reinforcement inner circle 13, the inside intermediate position fixed mounting of armor 2 has interior rubber layer 8, the inside fixed mounting of interior rubber layer 8 has abrasionproof layer 12, the inside fixed mounting of abrasionproof layer 12 has insulating layer 9, through the mode of shell internally mounted reinforcement inner circle 13 on outer rubber layer 3, the shape that makes the device accessible reinforcement inner circle 13 guarantee the internal cable when retrieving does not take place obvious change, but make inside spare part recycle once more.

Further, a plurality of outer conductors 4 are fixedly mounted inside the outer rubber layer 3.

Furthermore, the included angle between the inner rubber layer 8 and the outer rubber layer 3 is fixedly arranged on the reinforcing layer 7, the reinforcing cores 11 are fixedly arranged in the reinforcing layer 7, and the reinforcing cores 11 in the reinforcing layer 7 can protect the inner rubber layer 8 and the abutted outer rubber layer 3 in a mode that the four reinforcing layers 7 surround the inner rubber layer 8, so that the influence of the cable on an internal conductor during bending is effectively prevented.

Further, an inner conductor 10 is fixedly mounted inside the insulating layer 9.

Further, the remaining position inside armor 2 all is filled with outer filler 5, fixes the reinforcement through outer filler 5 to armor 2 inside, makes cable structure complete, tends to stably.

Further, the inner filler 6 is filled in the residual position inside the outer rubber layer 3, and the inner filler 6 is used for fixing and reinforcing the inner part of the outer rubber layer 3, so that the cable structure is complete and tends to be stable.

The working principle is as follows: when in use, the device is placed at a designated position, whether each part normally works is checked, the device reduces the abrasion of the armor layer 2 to the sheath 1 when in use by installing the inner protection layer 14 at the position where the sheath 1 is contacted with the armor layer 2, prevents the hardness of the armor layer 2 from causing the abrasion of the sheath 1 to cause the accidental situations of electric leakage and the like, but also can prevent the conductor in the cable from being affected by low temperature and prevent the device from being incapable of working in low temperature environment, by installing the reinforced inner ring 13 in the shell of the outer rubber layer 3, the internal parts can be recycled, through the mode that four back up layers 7 surround inner rubber layer 8, make the inside reinforcing core 11 of back up layer 7 can protect inner rubber layer 8, also can protect the outer rubber layer 3 that supports, the effectual influence to the inner conductor when having prevented buckling of cable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a cross-linked polyolefin cable for ultra-low temperature resistant environment-friendly wind power generation, includes sheath (1), its characterized in that: the utility model discloses a cable sheath, including sheath (1), inner fixed mounting, gap department fixed mounting between sheath (1) and armor (2) has inner sheath (14), the inside fixed mounting of armor (2) has four outer rubber layers (3), the inside equal fixed mounting of shell on outer rubber layer (3) has reinforcement inner circle (13), the inside intermediate position fixed mounting of armor (2) has inner rubber layer (8), the inside fixed mounting of inner rubber layer (8) has abrasionproof layer (12), the inside fixed mounting of abrasionproof layer (12) has insulating layer (9).

2. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: a plurality of outer conductors (4) are fixedly arranged in the outer rubber layer (3).

3. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: and reinforcing layers (7) are fixedly arranged at included angles between the inner rubber layer (8) and the outer rubber layer (3), and reinforcing cores (11) are fixedly arranged in the reinforcing layers (7).

4. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: and an inner conductor (10) is fixedly arranged in the insulating layer (9).

5. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: and the rest positions in the armor layer (2) are filled with outer fillers (5).

6. The ultra-low temperature resistant environment-friendly cross-linked polyolefin cable for wind power generation as claimed in claim 1, wherein: and the rest positions inside the outer rubber layer (3) are filled with inner fillers (6).