CN215069327U

CN215069327U - Protection type insulated cable that water conservancy water and electricity was used

Info

Publication number: CN215069327U
Application number: CN202121564637.5U
Authority: CN
Inventors: 张鹏利; 刘德伟
Original assignee: Shaanxi Province Hanjiang To Weihe River Valley Water Diversion Project Construction Co ltd
Current assignee: Shaanxi Province Hanjiang To Weihe River Valley Water Diversion Project Construction Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-07
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a protection type insulated cable that water conservancy water and electricity was used relates to water conservancy cable line technical field. The cable comprises a cable body and a fixing seat, wherein the fixing seat is clamped on the cable body, the other end of the fixing seat is fixed at an installation position through a screw, the cable body comprises a reinforcing core, a copper conductor, an inner shielding layer, an outer shielding layer, an alloy lead sleeve, an armor layer and an outer sheath, the copper conductor is wound on the reinforcing core, the copper conductor is located in the inner shielding layer, the inner shielding layer is located in the outer shielding layer, and the outer shielding layer is located in the alloy lead sleeve. According to the protective insulated cable for hydraulic power and water, the outer sheath is made of a cable material subjected to radiation crosslinking by a high-energy electron accelerator, so that the cable material has weather-proof, cold-resistant, high-temperature-resistant, friction-resistant, ultraviolet-resistant and reliable insulating properties and mechanical properties, the mechanical strength of the cable material can be greatly improved by matching the armor layer and the reinforcing steel wire, and the service life of the cable material in severe environment is guaranteed.

Description

Protection type insulated cable that water conservancy water and electricity was used

Technical Field

The utility model relates to a water conservancy cable line technical field specifically is a protection type insulated cable that water conservancy water and electricity was used.

Background

Hydraulic engineering is an engineering constructed for controlling and allocating surface water and underground water in the nature to achieve the purpose of removing harm and benefiting, and the hydraulic engineering needs to construct various types of hydraulic buildings such as dams, dikes, spillways, sluice gates, water inlets, channels, transition troughs, rafts, fishways and the like to achieve the aim, so that a large amount of cables are needed for realizing the transportation of water conservancy.

Although the existing cable has good insulating effect and waterproof effect, the cable needs to bear pressure, bending, tension, cross tensile load and strong force impact, and if the strength of a cable sheath is not enough, the cable insulating layer is seriously damaged, so that the service life of the whole cable is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a protection type insulated cable that water conservancy water and electricity was used possesses reliable insulating properties and mechanical strength, has ensured the use under adverse circumstances, and does benefit to the advantage of operation construction to it is not enough to solve current cable strength, influences life's problem.

For realizing reliable insulating properties and mechanical strength, ensured the use under adverse circumstances, and do benefit to the purpose of operation construction, the utility model provides a following technical scheme: a protective insulated cable for hydraulic power and hydropower comprises a cable body and a fixed seat, wherein the fixed seat is clamped on the cable body, and the other end of the fixed seat is fixed at an installation position through a screw;

the cable body comprises a reinforcing core, a copper conductor, an inner shielding layer, an outer shielding layer, an alloy lead sleeve, an armor layer and an outer sheath, wherein the copper conductor is wound on the reinforcing core and is positioned in the inner shielding layer, the inner shielding layer is positioned in the outer shielding layer, the outer shielding layer is positioned in the alloy lead sleeve, the alloy lead sleeve is positioned in the armor layer, and the armor layer is positioned in the outer sheath.

As an optimized technical proposal of the utility model, the upper part of the fixed seat is of an arc-shaped groove structure, and an elastic steel hoop is attached in the arc-shaped groove.

As a preferred technical scheme of the utility model, the both ends of elasticity steel hoop are bending structure, the fixing base passes through elasticity steel hoop tight-fitting joint on the cable body.

As an optimized technical scheme of the utility model, the copper conductor is tinned wire, adopts 6 strands of wire stranded wires to make.

As an optimal technical scheme of the utility model, the internal shield layer is the semiconductor paper tape, the external shield layer is tin-plated copper mesh grid.

As an optimal technical scheme of the utility model, be provided with the enhancement steel wire on the outer loop of armor, and be located between armor and the oversheath, the oversheath is irradiation cross-linking low smoke and zero halogen flame retardant polyolefin plastics.

Compared with the prior art, the utility model provides a protection type insulated cable that water conservancy water and electricity was used possesses following beneficial effect:

1. according to the protective insulated cable for hydraulic power and water, the outer sheath is made of a cable material subjected to radiation crosslinking by a high-energy electron accelerator, so that the cable material has weather-proof, cold-resistant, high-temperature-resistant, friction-resistant, ultraviolet-resistant and reliable insulating properties and mechanical properties, the mechanical strength of the cable material can be greatly improved by matching the armor layer and the reinforcing steel wire, and the service life of the cable material in severe environment is guaranteed.

2. This protection type insulated cable that water conservancy water and electricity was used has been equipped with the cable clamp, and during the installation, through the effect of elasticity steel hoop, does benefit to the fixed of cable, and during later maintenance, also conveniently takes off certain section cable simultaneously to help constructor's operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the cable body of the present invention;

fig. 3 is a side view of the fixing base of the present invention.

In the figure: 1. a cable body; 2. a fixed seat; 3. a reinforcing core; 4. a copper conductor; 5. an inner shield layer; 6. an outer shield layer; 7. an alloy lead sleeve; 8. an armor layer; 9. an outer sheath; 10. an arc-shaped slot; 11. an elastic steel hoop; 12. and reinforcing the steel 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. 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.

Referring to fig. 1-3, the utility model discloses a protection type insulated cable for hydraulic and hydroelectric power, which comprises a cable body 1 and a fixed seat 2, wherein the fixed seat 2 is clamped on the cable body 1, the other end of the fixed seat 2 is fixed at the installation position through a screw, and a cable clamp is provided, during installation, the cable is fixed under the action of an elastic steel hoop 11, and meanwhile, a certain section of cable is taken down conveniently during later maintenance, thereby being beneficial to the operation of constructors;

the cable comprises a cable body 1 and is characterized in that the cable body comprises a reinforcing core 3, a copper conductor 4, an inner shielding layer 5, an outer shielding layer 6, an alloy lead sleeve 7, an armor layer 8 and an outer sheath 9, wherein the copper conductor 4 is wound on the reinforcing core 3, the copper conductor 4 is positioned in the inner shielding layer 5, the inner shielding layer 5 is positioned in the outer shielding layer 6, the outer shielding layer 6 is positioned in the alloy lead sleeve 7, the alloy lead sleeve 7 is positioned in the armor layer 8, the armor layer 8 is positioned in the outer sheath 9, the outer sheath 9 adopts a cable material subjected to radiation crosslinking of a high-energy electron accelerator, has weather resistance, cold resistance, high temperature resistance, friction resistance, ultraviolet resistance and reliable insulating property and mechanical property, and the mechanical strength of the cable body can be greatly improved by matching the armor layer 8 and the reinforcing steel wire 12, so that the service life of the cable under severe environment is guaranteed.

Specifically, the upper portion of the fixing seat 2 is of an arc-shaped groove 10 structure, and an elastic steel hoop 11 is attached to the arc-shaped groove 10.

In this embodiment, cable body 1 is the cylinder structure, conveniently blocks cable body 1 to fixing base 2 through arc wall 10 structure.

Specifically, the both ends of elasticity steel hoop 11 are bending structure, fixing base 2 passes through elasticity steel hoop 11 tight fit joint on cable body 1.

In this embodiment, the elastic feature of the elastic steel band 11 is beneficial to fixing the cable, and meanwhile, the cable at a certain section can be conveniently taken down during later maintenance.

Specifically, the copper conductor 4 is a tinned copper wire and is made of 6 strands of wire stranded wires.

In the embodiment, the flexibility of the cable is greatly increased by adopting the stranded wires, the curvature during bending is not concentrated on one part but distributed on each wire, the smaller the diameter of each wire is, the smaller the bending stress generated during bending is, and therefore, the plastic deformation can not occur under the condition of allowing the bending radius, the insulating layer of the cable can not be damaged, meanwhile, each wire can slide during bending, and the directions of all layers are twisted in opposite directions, so that the tensile force and the pressure applied to the inside and the outside of the whole conductor are decomposed.

Specifically, the inner shielding layer 5 is a semiconductor paper tape, and the outer shielding layer 6 is a tinned copper woven mesh.

In this embodiment, the inner shielding layer 5 is used to eliminate the increase of the electric field intensity on the surface of the conductor caused by the non-smoothness on the surface of the conductor, and the outer shielding layer 6 can greatly reduce the interference of the external magnetic field and the signal, and can also reduce the attenuation of the internal signal and increase the tension of the cable.

Specifically, the outer ring of the armor layer 8 is provided with a reinforcing steel wire 12, and the reinforcing steel wire is positioned between the armor layer 8 and the outer sheath 9, and the outer sheath 9 is irradiation cross-linked low-smoke halogen-free flame-retardant polyolefin plastic.

In this embodiment, cooperation armor 8 and enhancement steel wire 12 can improve its mechanical strength greatly, guarantee life under the adverse circumstances, and oversheath 9 is green product, has no halogen low cigarette, low halogen low cigarette characteristic, in case the fire incident takes place, flame spread slowly, and smog concentration is low, and the visibility is high, and harmful gas release amount is little, and the personnel of being convenient for withdraw to there is more time to handle the conflagration.

The utility model discloses a theory of operation and use flow: when in use, the outer sheath 9 adopts the cable material after radiation crosslinking of a high-energy electron accelerator, has weather resistance, cold resistance, high temperature resistance, friction resistance, ultraviolet resistance and reliable insulating property and mechanical property, the mechanical strength can be greatly improved by matching the armor layer 8 and the reinforcing steel wire 12, the service life under the severe environment is ensured, a cable clamp is equipped, during installation, the effect of the elastic steel hoop 11 is utilized, the fixation of the cable is facilitated, and meanwhile, during later maintenance, a certain section of cable is also conveniently taken down.

In summary, the outer sheath 9 of the protective insulated cable for hydraulic power and hydropower is made of cable materials which are subjected to radiation crosslinking by a high-energy electron accelerator, has weather resistance, cold resistance, high temperature resistance, friction resistance, ultraviolet resistance and reliable insulating property and mechanical property, and can greatly improve the mechanical strength by matching with the armor layer 8 and the reinforcing steel wire 12, thereby ensuring the service life under severe environment; the cable clamp is equipped, during installation, the effect through elasticity steel hoop 11 is favorable to the fixed of cable, and during later maintenance, also conveniently takes off certain section cable simultaneously to help constructor's operation.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a protection type insulated cable that water conservancy water and electricity was used, includes cable body (1) and fixing base (2), its characterized in that: the fixing seat (2) is clamped on the cable body (1), and the other end of the fixing seat (2) is fixed at the installation position through a screw;

the cable comprises a cable body (1) and is characterized in that the cable body comprises a reinforcing core (3), a copper conductor (4), an inner shielding layer (5), an outer shielding layer (6), an alloy lead sleeve (7), an armor layer (8) and an outer sheath (9), wherein the copper conductor (4) is wound on the reinforcing core (3), the copper conductor (4) is located in the inner shielding layer (5), the inner shielding layer (5) is located in the outer shielding layer (6), the outer shielding layer (6) is located in the alloy lead sleeve (7), the alloy lead sleeve (7) is located in the armor layer (8), and the armor layer (8) is located in the outer sheath (9).

2. The protective insulated cable for hydraulic and electric power according to claim 1, characterized in that: the upper part of the fixed seat (2) is of an arc-shaped groove (10) structure, and an elastic steel hoop (11) is attached to the inner side of the arc-shaped groove (10).

3. The protective insulated cable for hydraulic and electric power according to claim 2, characterized in that: the two ends of the elastic steel hoop (11) are of bending structures, and the fixing seat (2) is tightly clamped on the cable body (1) through the elastic steel hoop (11).

4. The protective insulated cable for hydraulic and electric power according to claim 1, characterized in that: the copper conductor (4) is a tinned copper wire and is made of 6 strands of lead stranded wires.

5. The protective insulated cable for hydraulic and electric power according to claim 1, characterized in that: the inner shielding layer (5) is a semiconductor paper tape, and the outer shielding layer (6) is a tinned copper woven mesh.

6. The protective insulated cable for hydraulic and electric power according to claim 1, characterized in that: the outer ring of the armor layer (8) is provided with a reinforcing steel wire (12) and is positioned between the armor layer (8) and the outer sheath (9), and the outer sheath (9) is irradiation cross-linked low-smoke halogen-free flame-retardant polyolefin plastic.