CN213752081U

CN213752081U - Insulating polyvinyl chloride sheath power cable convenient to rolling

Info

Publication number: CN213752081U
Application number: CN202023100446.1U
Authority: CN
Inventors: 徐惠平; 夏涛; 徐广宇
Original assignee: Jiangsu Yujiu Cable Technology Co ltd
Current assignee: Jiangsu Yujiu Cable Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-07-20
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses an insulating polyvinyl chloride sheath power cable convenient to rolling relates to power cable technical field, and is comparatively loaded down with trivial details, the problem of inconvenient rolling for solving current power cable and rolling dish connection. The utility model discloses a power cable, including power cable main part, red copper joint, couple, magnetic lining, oxygen barrier, power cable main part, red copper joint, and red copper joint and power cable main part sealing connection, the one end that red copper connects is provided with the screw thread wall, threaded wall installs the nut, and nut and screw thread wall threaded connection, the couple is installed to the lower extreme of nut, and couple and nut welded connection, install the magnetic lining on the inner wall of couple, be provided with the polyvinyl chloride oversheath on the outer wall of power cable main part, be provided with aluminium system armor on the inner wall of polyvinyl chloride oversheath, be provided with on the inner wall of aluminium system armor and separate the oxygen layer, be provided with non-woven fabrics band on the inner wall that separates the oxygen layer.

Description

Insulating polyvinyl chloride sheath power cable convenient to rolling

Technical Field

The utility model relates to a power cable technical field specifically is an insulating polyvinyl chloride sheath power cable convenient to rolling.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. Since the first cable invented by edison of the inventor in the united states in 1879, there has been a history of more than one hundred years. With the wider and wider application of electric energy, the industry has also gained a high-speed development. Along with the high-speed development of industry, high-power single-machine equipment is more and more, in China, single-machine equipment with rated voltage of 0.38KV and power of 500KW or even higher is more and more common, the specification of cables is more and more large, most of cables are directly buried and laid in consideration of construction difficulty and construction environment, and sometimes, no cable bridge or cable trench special for cable laying exists, so that a certain amount of requirements are met for single-core steel-tape armored cables.

However, the existing power cable is connected with the winding disc more complexly and is inconvenient to wind; therefore, the existing requirements are not met, and an insulated polyvinyl chloride sheathed power cable convenient to roll is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating polyvinyl chloride sheath power cable convenient to rolling to current power cable that proposes in solving above-mentioned background art is connected comparatively loaded down with trivial details with the rolling dish, the problem of inconvenient rolling.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating polyvinyl chloride sheath power cable convenient to rolling, includes the power cable main part, its characterized in that: the utility model discloses a power cable, including power cable main part, red copper joint, couple, magnetic lining, oxygen barrier, power cable main part, red copper joint, and red copper joint and power cable main part sealing connection, the one end that red copper connects is provided with the screw thread wall, threaded wall installs the nut, and nut and screw thread wall threaded connection, the couple is installed to the lower extreme of nut, and couple and nut welded connection, install the magnetic lining on the inner wall of couple, be provided with the polyvinyl chloride oversheath on the outer wall of power cable main part, be provided with aluminium system armor on the inner wall of polyvinyl chloride oversheath, be provided with on the inner wall of aluminium system armor and separate the oxygen layer, be provided with non-woven fabrics band on the inner wall that separates the oxygen layer.

Preferably, the outer wall of the polyvinyl chloride outer sheath is provided with an anilox mechanism, and the anilox mechanism and the polyvinyl chloride outer sheath are of an integrated structure.

Preferably, the inner wall of the non-woven fabric belting is provided with a high water-absorbent resin filling layer.

Preferably, be provided with electrically conductive core bundle on the inner wall of super absorbent resin filling layer, the inside of electrically conductive core bundle is provided with the copper line, and the copper line is provided with a plurality of, and a plurality of copper line articulated connection each other.

Preferably, an insulating layer is arranged on the outer wall of the conductive core bundle.

Preferably, the aluminum armor is arranged between the polyvinyl chloride outer sheath and the oxygen barrier layer.

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

1. the utility model discloses an at the nut department installation couple that power cable red copper connects, when being connected with the rolling machine, can be with the couple lock on the buckle of rolling machine, the magnetic lining through the couple inner wall realizes fixed with the absorption of buckle, can be connected with the rolling machine, makes things convenient for the rolling operation, compares in conventional power cable, and the connected mode is convenient high-efficient more.

2. Through setting up non-woven fabrics band and super absorbent resin filling layer in power cable's inside, and the non-woven fabrics band is around the outer wall of package at super absorbent resin filling layer, the non-woven fabrics band has certain effect of blocking water, its inside super absorbent resin filling layer, can extrude electrically conductive core bundle on the one hand, improve electrically conductive stability, on the other hand, because of its can absorb the water than the big hundreds of times of self weight very fast, so can effectively avoid moisture infiltration into electric core department, the condition that leads to the damage takes place.

3. Through the inside setting at power cable separate the oxygen layer, separate the oxygen layer and be the aluminium hydroxide filler, can release the crystal water under the high temperature condition to reach the effect of fire prevention.

Drawings

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

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

Fig. 3 is a schematic side view of the present invention.

In the figure: 1. a power cable body; 2. a red copper joint; 3. a threaded wall; 4. a nut; 5. hooking; 6. a magnetic liner; 7. a polyvinyl chloride outer sheath; 8. a reticulate pattern mechanism; 9. aluminum armor; 10. an oxygen barrier layer; 11. a non-woven fabric belting; 12. a super absorbent resin filling layer; 13. an insulating layer; 14. a conductive core bundle; 15. copper wire.

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. 1-3, the present invention provides an embodiment: the utility model provides an insulating polyvinyl chloride sheath power cable convenient to rolling, includes power cable main part 1, its characterized in that: red copper connects 2 is installed to power cable main part 1's one end, and red copper connects 2 and 1 sealing connection of power cable main part, red copper connects 2's one end and is provided with screw thread wall 3, install nut 4 on the screw thread wall 3, and nut 4 and 3 threaded connection of screw thread wall, couple 5 is installed to the lower extreme of nut 4, and couple 5 and 4 welded connection of nut, install magnetic lining 6 on couple 5's the inner wall, magnetic lining 6 is the magnetic force piece that magnet was made, be provided with polyvinyl chloride oversheath 7 on the outer wall of power cable main part 1, be provided with aluminium system armor 9 on polyvinyl chloride oversheath 7's the inner wall, be provided with oxygen barrier 10 on aluminium system armor 9's the inner wall, be provided with non-woven fabrics band 11 on oxygen barrier 10's the inner wall.

Furthermore, an anilox mechanism 8 is arranged on the outer wall of the polyvinyl chloride outer sheath 7, the anilox mechanism 8 and the polyvinyl chloride outer sheath 7 are of an integral structure, and the anilox mechanism 8 can improve the tensile property and the bending resistance of the polyvinyl chloride outer sheath 7.

Further, be provided with super absorbent resin filling layer 12 on the inner wall of non-woven fabrics band 11, non-woven fabrics band 11 has certain effect of blocking water, and its inside super absorbent resin filling layer 12 can extrude electrically conductive core bundle 14 on the one hand, improves electrically conductive stability, and on the other hand because of its can absorb the water than self weight is big hundreds of times very fast, so can effectively avoid moisture to permeate into electric core department, lead to the condition of damage to take place.

Further, be provided with conductive core bundle 14 on the inner wall of super absorbent resin filling layer 12, conductive core bundle 14's inside is provided with copper line 15, and copper line 15 is provided with a plurality of, and the mutual articulated connection of a plurality of copper line 15, and copper line 15 is used for playing electrically conductive effect, and a plurality of copper lines are articulated, compares with the single strand of sectional area, possess higher mechanicalness and pliability.

Furthermore, an insulating layer 13 is arranged on the outer wall of the conductive core bundle 14, and the insulating layer 13 is made of polyvinyl chloride and has good flame retardant and insulating properties.

Further, aluminium armour 9 is arranged between the polyvinyl chloride outer sheath 7 and the oxygen barrier layer 10, aluminium is adopted as an armouring material, the strength of the cable is improved, meanwhile, the corrosion resistance is better than that of common metal, and the aluminium armour has excellent shielding performance.

The working principle is as follows: when in use, the hook 5 at one end of the power cable main body 1 is buckled on a buckle of a winding machine, the hook 5 is fixed with the buckle through the magnetic lining 6 on the inner wall of the hook 5, and can be connected with the winding machine to facilitate winding operation, the outer wall of the cable adopts a polyvinyl chloride outer sheath 7 with better insulating and flame retardant properties, the outer wall of the cable is provided with an integrated reticulate mechanism 8 which can improve the tensile and bending resistance, the inner wall of the outer sheath is provided with an aluminum armor 9 which adopts aluminum as an armor material, the strength of the cable is improved, the corrosion resistance is better than that of common metal, and the cable has excellent shielding property, the inner wall of the armor is provided with an oxygen insulation layer 10, the oxygen insulation layer 10 is an aluminum hydroxide filler and can release crystal water under the high temperature condition, thereby achieving the fireproof effect, the inner wall of the oxygen insulation layer 10 is provided with a non-woven fabric belting 11 and a high water absorption resin filling layer 12, non-woven fabrics band 11 has certain effect of blocking water, and its inside super absorbent resin filling layer 12 can extrude electrically conductive core bundle 14 on the one hand, improves electrically conductive stability, and on the other hand because of its water that can absorb very fast than self weight is big hundreds of times, so can effectively avoid moisture infiltration to advance electric core department, lead to the condition of damage to take place.

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 an insulating polyvinyl chloride sheath power cable convenient to rolling, includes power cable main part (1), its characterized in that: one end of the power cable main body (1) is provided with a red copper joint (2), the red copper joint (2) is hermetically connected with the power cable main body (1), one end of the red copper joint (2) is provided with a thread wall (3), a nut (4) is arranged on the thread wall (3), the nut (4) is in threaded connection with the threaded wall (3), the lower end of the nut (4) is provided with a hook (5), the hook (5) is welded with the nut (4), the inner wall of the hook (5) is provided with a magnetic lining (6), a polyvinyl chloride outer sheath (7) is arranged on the outer wall of the power cable main body (1), the inner wall of the polyvinyl chloride outer sheath (7) is provided with an aluminum armor (9), an oxygen isolation layer (10) is arranged on the inner wall of the aluminum armor (9), and a non-woven fabric belting (11) is arranged on the inner wall of the oxygen isolation layer (10).

2. The insulated polyvinyl chloride sheathed power cable convenient to roll up of claim 1, wherein: the outer wall of the polyvinyl chloride outer sheath (7) is provided with a reticulate pattern mechanism (8), and the reticulate pattern mechanism (8) and the polyvinyl chloride outer sheath (7) are of an integrated structure.

3. The insulated polyvinyl chloride sheathed power cable convenient to roll up of claim 1, wherein: the inner wall of the non-woven fabric belting (11) is provided with a super absorbent resin filling layer (12).

4. The insulated polyvinyl chloride sheathed power cable convenient to roll up of claim 3, wherein: be provided with on the inner wall of super absorbent resin filling layer (12) conductive core bundle (14), the inside of conductive core bundle (14) is provided with copper line (15), and copper line (15) are provided with a plurality of, and a plurality of copper line (15) are the splice connection each other.

5. The insulated polyvinyl chloride sheathed power cable convenient to roll up of claim 4, wherein: and an insulating layer (13) is arranged on the outer wall of the conductive core bundle (14).

6. The insulated polyvinyl chloride sheathed power cable convenient to roll up of claim 1, wherein: the aluminum armor (9) is arranged between the polyvinyl chloride outer sheath (7) and the oxygen isolation layer (10).