CN215643771U - High strength resistance to compression power cable - Google Patents

Abstract

The utility model discloses a high-strength compression-resistant power cable which comprises an outer sheath, wherein a first wrapping layer is arranged on the inner surface of the outer sheath, four inner sheaths are arranged on the inner circle of the first wrapping layer, a woven shielding layer is arranged on the inner surface of the inner sheath, a second wrapping layer is arranged on the inner surface of the woven shielding layer, two insulating layers are arranged on the inner circle of the second wrapping layer, a plurality of strip-shaped grooves are formed in the outer sheath, and compression-resistant mechanisms are arranged in the strip-shaped grooves. According to the utility model, after the compression-resistant strip is pressurized, the rotating rod between the compression-resistant strip and the guide sleeve rotates, the guide sleeve slides on the guide rod, the guide rod extrudes the buffer spring, and the buffer spring buffers the pressurized pressure.

Description

High strength resistance to compression power cable

Technical Field

The utility model relates to the technical field of cable design, in particular to a high-strength compression-resistant power cable.

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. The existing power cable is insufficient in self strength, and the outer sheath or the cable core is easily damaged after a certain pressure is applied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-strength compression-resistant power cable, which solves the following technical problems: the technical problem of power cable intensity is not enough among the prior art, receives certain pressure and causes the oversheath damage or cable core damaged easily is solved.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a high strength resistance to compression power cable, includes the oversheath, the oversheath internal surface is provided with band layer one, band layer inner circle is provided with four inner sheaths, the inner sheath internal surface is provided with the establishment shielding layer, establishment shielding layer inner surface is provided with band layer two, band layer two inner circles are provided with two insulating layers, a plurality of strip grooves have been seted up on the oversheath, the strip inslot is provided with resistance to compression mechanism.

Furthermore, the inner ring of the insulating layer is provided with a conductor, the belting layer II is in contact with the insulating layer, and the belting layer I is in contact with the inner sheath.

Further, resistance to compression mechanism includes the guide bar, the guide bar both ends are all overlapped and are equipped with buffer spring, buffer spring one side is provided with the uide bushing, uide bushing slidable mounting is on the guide bar, install articulated seat one on the uide bushing, it installs the rotary rod to rotate on the articulated seat one, the rotary rod is kept away from articulated seat one end and is rotated and connect articulated seat two, two fixed connection anti-layering of articulated seat.

Furthermore, four inner sheaths are arranged on an inner ring of the belting layer in an equal radian mode, and a plurality of strip-shaped grooves are arranged on the outer surface of the outer sheath in an equal radian mode.

The utility model has the beneficial effects that:

according to the high-strength compression-resistant power cable, after the compression-resistant strip is subjected to pressure, the rotating rod between the compression-resistant strip and the guide sleeve rotates, the guide sleeve slides on the guide rod, the guide rod extrudes the buffer spring, and the buffer spring buffers the pressure, so that the compression-resistant strip is ensured to be subjected to pressure before the surface of the outer sheath is subjected to pressure through the design of the compression-resistant strip, the condition that the outer sheath is damaged due to the pressure is prevented, the pressure applied to the whole cable can be effectively buffered through the design of the compression-resistant mechanism, and the strength of the whole power cable is increased.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a high strength crush resistant power cable of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the construction of the inner sheath of the present invention;

FIG. 4 is a cross-sectional view of the outer sheath of the present invention;

FIG. 5 is a schematic view of the compression resistance mechanism of the present invention;

fig. 6 is an enlarged view of the utility model at a in fig. 5.

In the figure: 1. an outer sheath; 2. a first wrapping layer; 3. an inner sheath; 4. weaving a shielding layer; 5. an insulating layer; 6. a conductor; 7. a second wrapping layer; 8. a strip-shaped groove; 9. a compression resistance mechanism; 10. a guide bar; 11. a buffer spring; 12. a guide sleeve; 13. a first hinge seat; 14. rotating the rod; 15. a second hinge seat; 16. and (5) resisting pressing strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the utility model is a high-strength compression-resistant power cable, which comprises an outer sheath 1, wherein a first wrapping tape layer 2 is arranged on the inner surface of the outer sheath 1, four inner sheaths 3 are arranged on the inner rings of the first wrapping tape layer 2, a braided shielding layer 4 is arranged on the inner surface of each inner sheath 3, a second wrapping tape layer 7 is arranged on the inner surface of each braided shielding layer 4, two insulating layers 5 are arranged on the inner rings of the second wrapping tape layer 7, a plurality of strip-shaped grooves 8 are formed in the outer sheath 1, and compression-resistant mechanisms 9 are arranged in the strip-shaped grooves 8.

Specifically, the inner ring of the insulating layer 5 is provided with the conductor 6, the second wrapping layer 7 is in contact with the insulating layer 5, the first wrapping layer 2 is in contact with the inner sheath 3, and through the design of the anti-pressing strip 16, the anti-pressing strip 16 can be guaranteed to be firstly pressed before the surface of the outer sheath 1 is pressed, so that the outer sheath 1 is prevented from being damaged due to pressure.

Resistance to compression mechanism 9 includes guide bar 10, the equal cover in guide bar 10 both ends is equipped with buffer spring 11, buffer spring 11 one side is provided with uide bushing 12, uide bushing 12 slidable mounting is on guide bar 10, install articulated seat 13 on the uide bushing 12, it installs rotary rod 14 to rotate on articulated seat 13, rotary rod 14 is kept away from articulated seat 13 one end and is rotated and connect articulated seat two 15, articulated seat two 15 fixed connection anti-depression bar 16, resistance to compression mechanism 9's design can carry out effectual buffering to the pressure that whole cable received, increase whole power cable's intensity.

The four inner sheaths 3 are arranged on the inner ring 2 of the belting layer in an equal radian mode, the plurality of strip-shaped grooves 8 are arranged on the outer surface of the outer sheath 1 in an equal radian mode, and the arrangement of the plurality of strip-shaped grooves 8 ensures that the anti-pressing strips 16 buffer multipoint stress on the surface of the outer sheath 1.

Referring to fig. 1-6, the high strength compression-resistant power cable of the present embodiment has the following compression resistance:

when the anti-pressing strip 16 is pressed, the rotating rod 14 between the anti-pressing strip 16 and the guide sleeve 12 rotates, the guide sleeve 12 slides on the guide rod 10, the guide rod 10 presses the buffer spring 11, and the buffer spring 11 buffers the pressed force.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (4)

1. The utility model provides a high strength resistance to compression power cable, includes oversheath (1), its characterized in that, oversheath (1) internal surface is provided with band layer (2), band layer (2) inner circle is provided with four inner sheath (3), inner sheath (3) internal surface is provided with establishment shielding layer (4), establishment shielding layer (4) internal surface is provided with band layer two (7), band layer two (7) inner circle is provided with two insulating layer (5), a plurality of strip groove (8) have been seted up on oversheath (1), be provided with resistance to compression mechanism (9) in strip groove (8).

2. A high strength crush resistant power cable as claimed in claim 1 wherein the inner circumference of the insulation layer (5) is provided with conductors (6), the second wrapping layer (7) is in contact with the insulation layer (5) and the first wrapping layer (2) is in contact with the inner sheath (3).

3. The high-strength compression-resistant power cable as claimed in claim 1, wherein the compression-resistant mechanism (9) comprises a guide rod (10), buffer springs (11) are sleeved at both ends of the guide rod (10), a guide sleeve (12) is arranged on one side of each buffer spring (11), the guide sleeve (12) is slidably mounted on the guide rod (10), a first hinged seat (13) is mounted on the guide sleeve (12), a rotating rod (14) is rotatably mounted on the first hinged seat (13), one end of the rotating rod (14), which is far away from the first hinged seat (13), is rotatably connected with a second hinged seat (15), and a second hinged seat (15) is fixedly connected with a compression-resistant strip (16).

4. A high strength compression resistant power cable as claimed in claim 1, characterized in that four inner sheaths (3) are provided at an equal arc on the inner circumference of the first (2) of the wrapping layer, and a plurality of strip grooves (8) are provided at an equal arc on the outer surface of the outer sheath (1).

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