CN206349154U - A kind of high pressure spring cable - Google Patents

Abstract

The utility model discloses a high-voltage spring cable, which comprises an outer sheath, an inner lining, a shielding layer, an inner sheath, a semi-conductive layer, an insulating layer, a conductor, an inner tensile member, an outer tensile member, an end line segment, a spring line segment; the spring cable is integrally connected by two end line segments and a spring line segment, and the spring cable is provided with an outer sheath, an inner lining layer, a shielding layer and an inner sheath in turn; the inner core of the spring cable is powered by a high-voltage power The transmission core and the outer tensile member are twisted together; the high-voltage power transmission core is provided with a semiconductive layer, an insulating layer, a conductor and an inner tensile member in sequence; the semiconductive layer is a semiconductive PVC material layer, and the The inner sheath is a semi-conductive PVC material layer; the shielding layer is wound or woven with fine soft annealed copper wire; the outer sheath is made of special PU material; the new model has the advantages of prolonging the practical life and ensuring safety; highly wear-resistant, The characteristics of fast movement and excellent bending performance are suitable for applications in harsh industrial environments.

Description

A high voltage spring cable

technical field

The utility model relates to the technical equipment field of spring cables, in particular to a high-voltage spring cable.

Background technique

With the continuous and rapid development of industrial automation, electrical equipment that moves back and forth at high speed and at a large angle has been widely used. The connection between electrical equipment and the transmission of power and signals are inseparable from cables. Due to the complexity and integration of the workplace, local electrical equipment may require high voltage to work completely, and ordinary low-voltage spring cables can no longer meet the requirements. equipment needs.

Utility model content

In order to solve the above technical problems, the utility model provides a high-voltage spring cable. Aiming at the deficiencies in the prior art, a multi-core stranded spring cable is used, which is matched with an inner tensile member and an outer tensile member, and squeezed on the surface of the insulating layer. Covered with semi-conductive PVC material layer; to meet the needs of local electrical equipment for high-voltage spring cables.

In order to achieve the above object, the technical scheme of the utility model is as follows: a high-voltage spring cable, including an outer sheath, an inner lining, a shielding layer, an inner sheath, a semi-conductive layer, an insulating layer, a conductor, an inner tensile member, an outer Tensile member, end line segment, spring line segment, characterized in that:

The spring cable is integrally connected by two end wire segments and a spring wire segment surrounded by the same diameter in the middle, and the outside of the spring cable is provided with an outer sheath, an inner lining layer, a shielding layer and an inner sheath in sequence from the outside to the inside; The inner core of the spring cable is provided with a high-voltage power transmission core and an outer tensile member twisted with each other; the high-voltage power transmission core is sequentially provided with a semiconductive layer, an insulating layer, a conductor and an inner tensile member from the outside to the inside; The conductor is twisted by a plurality of strands of fine soft annealed copper wires, the insulating layer is composed of a layer of PP material extruded outside the conductor, which plays the role of high insulation performance; the semi-conductive layer is extruded A layer of semi-conductive PVC material layer is formed on the surface of the insulating layer; the inner sheath is made of extruded layer of semi-conductive PVC material; the shielding layer is wound or woven with fine soft annealed copper wire; the outer sheath The layer is made of special PU material.

The spring cable is provided with at least one high-voltage power transmission core.

There is at least one outer tensile member, and the outer tensile member can be placed as a single unit in the center of the spring cable or in the gap between high-voltage power transmission cores; the inner tensile member is built in the center of the conductor.

The inner sheath is fully distributed between the shielding layer and the high-voltage power transmission core.

The working principle of the utility model is as follows: the spring cable increases the ability to withstand voltage by increasing the thickness of the insulating layer; and extrudes a semi-conductive layer on the surface of the insulating layer to homogenize the electromagnetic field; The inner and outer tensile members are arranged inside to improve the tensile strength; the spring cable is provided with an inner sheath, a shielding layer, an inner lining and an outer sheath; it is characterized in that the core conductor of the spring cable is composed of multiple Strands of fine soft annealed copper wires are stranded, and a layer of PP material is extruded on the outside to achieve high insulation performance; the inner sheath is made of a layer of semi-conductive PVC material layer extruded outside the semi-conductive layer; the shielding layer is made of fine Soft annealed copper wire winding or braiding; the outer sheath is made of special PU material.

Through the above-mentioned technical solution, the beneficial effect of the technical solution of the utility model is: adopt the multi-core stranded spring cable, cooperate with the inner tensile member and the outer tensile member, and extrude a semi-conductive PVC material layer on the surface of the insulating layer; The equipment needs high-voltage spring cables; improve the ability of spring cables to withstand voltage and increase the tensile strength of spring cables; Highly wear-resistant, fast moving, and excellent bending performance, it can adapt to harsh industrial environments.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of a front view of a high-voltage spring cable disclosed in an embodiment of the present invention;

Fig. 2 is a schematic cross-sectional view of a high-voltage spring cable disclosed by an embodiment of the utility model.

The corresponding part names indicated by numbers and letters in the figure:

1. Outer sheath 2. Inner lining 3. Shielding layer 4. Inner sheath

5. Semiconducting layer 6. Insulating layer 7. Conductor 8. Inner tensile member

9. Outer tensile member 10. End line segment 11. Spring line segment

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

According to Figure 1 and Figure 2, the utility model provides a high-voltage spring cable, including an outer sheath 1, an inner lining 2, a shielding layer 3, an inner sheath 4, a semiconductive layer 5, an insulating layer 6, a conductor 7, Inner tensile member 8, outer tensile member 9, end line segment 10, spring line segment 11.

The spring cable is integrally connected by two end line segments 10 and a spring line segment 11 surrounded by the same diameter in the middle. The outside of the spring cable is provided with an outer sheath 1, an inner lining layer 2, and a shielding layer 3 in sequence from the outside to the inside. and an inner sheath 4; the inner core of the spring cable is provided with a high-voltage power transmission core and an outer tensile member 9 twisted together; the high-voltage power transmission core is sequentially provided with a semiconductive layer 5 and an insulating layer from the outside to the inside 6. The conductor 7 and the inner tensile member 8; the conductor 7 is twisted from a plurality of strands of fine soft annealed copper wires, and the insulating layer 6 is composed of a layer of PP material extruded outside the conductor 7 to play the role of The effect of high insulation performance; the semiconductive layer 5 is composed of a layer of semiconductive PVC material layer extruded on the surface of the insulating layer 6; the inner sheath 4 adopts a layer of semiconductive PVC material layer extruded; the shielding Layer 3 is wound or woven with fine soft annealed copper wire; the outer sheath 1 is made of special PU material.

The spring cable is provided with three high-voltage power transmission cores.

There are four outer tensile members 9, and the outer tensile member 9 is placed as a unit in the gap between the center of the spring cable and the high-voltage power transmission core; the inner tensile member 8 is built in the center of the conductor 7.

The inner sheath 4 is fully distributed between the shielding layer 3 and the high voltage power transmission core.

The specific operation steps of the utility model are as follows: the spring cable is integrally connected by two end line segments 10 and a spring line segment 11 surrounded by the same diameter in the middle; Conductive layer 5, insulating layer 6, conductor 7 composed of wire core; conductor 7 is twisted by a plurality of strands of fine soft annealed copper wire; , Insulation layer 6, and the center or gap formed by twisting the wire cores composed of conductor 7; Extrude a layer of PP material layer outside the conductor 7 to play the role of high insulation performance; Extrude a layer outside the insulation layer 6 A layer of semi-conductive PVC material layer plays the role of homogenizing the electromagnetic field; the shielding layer 3 is made of fine soft annealed copper wire winding or braiding; the spring cable is covered with an outer sheath 1 and an inner lining layer from outside to inside 2. The shielding layer 3 and the inner protective layer 4; the inner protective layer 4 is made of extruded layer of semi-conductive PVC material; the outer protective layer 1 is made of extruded layer of special PU material.

Through the above-mentioned specific embodiments, the beneficial effects of the utility model are: adopt multi-core stranded spring cables, cooperate with inner tensile members and outer tensile members, and extrude a semi-conductive PVC material layer on the surface of the insulating layer; satisfy local electrical equipment Demand for high-voltage spring cables; improve the ability of spring cables to withstand voltage and increase the tensile strength of spring cables; the semi-conductive layer and semi-conductive inner sheath play a role in homogenizing the electromagnetic field, and the outer sheath is made of PU material, which has a high With the characteristics of wear resistance, fast movement and excellent bending performance, it can adapt to harsh industrial environment applications.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. a kind of high pressure spring cable, it is characterised in that including outer jacket, inner liner, screen layer, sheath, semi-conductive layer, absolutely Edge layer, conductor, interior tension member, outer tension member, end line section, spring line segment；The spring cable is by two end line sections with Between equidiameter ring around spring line segment integral type be formed by connecting, be disposed with from outside to inside outside the spring cable outer jacket, Inner liner, screen layer and sheath；The spring cable inner core is provided with high power transmission lines core and outer tension member is mutual It is stranded to form；The high power transmission lines core is disposed with semi-conductive layer, insulating barrier, conductor and interior tension structure from outside to inside Part；The conductor is formed by the fine soft annealing copper wire of multiply is stranded, and the insulating barrier is by one layer of PP material being extruded in outside conductor Matter layer is constituted, and plays a part of high insulating property；The semi-conductive layer is by being extruded in one layer of semiconductive PVC material of surface of insulating layer Matter layer is constituted；The sheath uses and extrudes one layer of semiconductive PVC material layers；The screen layer is twined using fine soft annealing copper wire Around or braiding form；The outer jacket uses speciality PU materials.

2. a kind of high pressure spring cable according to claim 1, it is characterised in that the spring cable is at least provided with one Root high power transmission lines core.

3. a kind of high pressure spring cable according to claim 1, it is characterised in that the outer tension member at least provided with One, the outer tension member can be placed between spring cable center or high power transmission lines core separately as a unit In gap；The interior tension member is built in conductor center.

4. a kind of high pressure spring cable according to claim 1, it is characterised in that the sheath be abound with screen layer and Between high power transmission lines core.