CN210467352U - High-conductivity copper rod for high-voltage cable - Google Patents

Abstract

The utility model discloses a high-conductivity copper rod for high-voltage cable in the technical field of cable, which comprises a copper rod, wherein the outer wall of the copper rod is wrapped with a dip-coating copper layer, the outer wall of the dip-coating copper layer is sleeved with an insulating layer, the outer wall of the insulating layer is fixedly provided with a snap ring, the outer wall of the insulating layer is sleeved with a sheath, the sheath comprises a first sheath and a second sheath, the inner wall circumferences of the first sheath and the second sheath are provided with clamping grooves, the visual wall circumferences of the first sheath and the second sheath are both fixedly provided with an extension cylinder, the outer wall of the extension cylinder of the first sheath is contacted with the inner wall of the extension cylinder of the second sheath, the outer walls of the first sheath and the second sheath are clamped with bolts, the outer wall of a screw rod in the bolt is sleeved with a connecting spring, the two ends of the connecting spring are respectively contacted with the outer wall of a nut and the sheath in the bolt, the outer wall, effectively improve the compactness of copper pole junction, avoid the copper pole junction to take place contact failure's phenomenon to take place.

Description

High-conductivity copper rod for high-voltage cable

Technical Field

The utility model discloses a high-tension cable specifically is cable technical field with high electrically conductive copper pole.

Background

The copper rod is generally produced by electrolytic copper, and the resistivity is lower than that of the low-oxygen copper rod, so that the oxygen-free copper rod is more economic in producing products with strict requirements on resistance; the manufacturing of oxygen-free copper rods requires raw materials with higher quality; oxygen-free copper rods are more advantageous for drawing copper wire with a diameter of <0.5MM, 6MM oxygen-free copper rods are used for producing flat copper wire.

The copper pole generally adopts electrolytic copper production, and resistivity is less than hypoxemia copper pole, the condition of contact failure appears easily when nevertheless current copper pole uses, and current copper pole and the junction of copper pole, expose easily in the air, contact with the oxygen in the air for a long time, make the copper wire oxidation cause corrosion to the life of copper pole has been reduced, and make the current leakage through the copper pole easily, thereby the result of use of messenger's copper pole is not good, and has reduced the security performance of copper pole.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-tension cable is with high electrically conductive copper pole to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-conductivity copper rod for a high-voltage cable comprises a copper rod, wherein a dip-coating copper layer is wrapped on the outer wall of the copper rod, an insulating layer is sleeved on the outer wall of the dip-coating copper layer, a clamping ring is fixedly mounted on the outer wall of the insulating layer, a sheath is sleeved on the outer wall of the insulating layer and comprises a first sheath and a second sheath, clamping grooves are formed in the circumferences of the inner walls of the first sheath and the second sheath, extension cylinders are fixedly mounted on the circumferences of the visual walls of the first sheath and the second sheath, the outer wall of the extension cylinder of the first sheath is in contact with the inner wall of the extension cylinder of the second sheath, bolts are clamped on the outer walls of the first sheath and the second sheath, a connecting spring is sleeved on the outer wall of a screw rod in each bolt, two ends of the connecting spring are in contact with the outer wall of a nut in each bolt and the outer wall of the sheath respectively, an insulating sleeve is sleeved on the outer, the insulating sleeve is positioned in the inner cavity of the sheath, and the inner wall of the extension cylinder is contacted with the outer wall of the insulating sleeve.

Preferably, the cross sections of the clamping ring and the clamping groove are both inverted trapezoids.

Preferably, the outer walls of the two groups of extension cylinders are respectively provided with an anti-twisting strip and an anti-twisting groove.

Preferably, the left outer wall and the right outer wall of the conductive copper plate are both provided with copper rod limiting grooves.

Preferably, the bolts are provided in at least three groups.

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

1) the device is provided with the conductive copper plates and the copper rod limiting grooves, when the copper rod connection part is bent, the end parts of the two groups of copper rods can be always in close contact with the conductive copper plates, and the phenomenon of poor contact between the two groups of copper rods when the copper rods are bent is avoided;

2) the device is provided with a dip-coating copper layer, an insulating sleeve and a sheath, wherein the insulating sleeve is positioned on the outer wall of the insulating layer, so that gaps are prevented from appearing at the end parts of the two groups of insulating layers when the insulating layers are bent, and the contact tightness of the insulating sleeve and the insulating layers is improved by the sheath;

3) this device sets up snap ring, draw-in groove, first sheath, second sheath, bolt and coupling spring, and bolt and coupling spring make first sheath and second sheath have a power that is close to each other, drive two sets of insulating layer tip through first sheath and second sheath and are close to each other, improve the connection stability and the compactness between two sets of copper poles, this device simple structure, convenient to use effectively improves the compactness of copper pole junction, avoids the copper pole junction to take place the phenomenon of contact failure and takes place.

Drawings

FIG. 1 is a schematic front sectional view of a high-conductivity copper rod for a high-voltage cable according to the present invention;

FIG. 2 is a schematic left view of the conductive copper plate of the present invention;

FIG. 3 is a right-side view of the first sheath of the present invention;

fig. 4 is a schematic left view of the second sheath of the present invention.

In the figure: 100 copper rods, 110 dip-coated copper layers, 200 insulating layers, 210 clamping rings, 300 sheaths, 310 first sheaths, 320 second sheaths, 330 clamping grooves, 340 extension cylinders, 341 torsion-proof strips, 342 torsion-proof grooves, 350 bolts, 351 connecting springs, 400 conductive copper plates, 410 insulating sleeves and 420 copper rod limiting grooves.

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.

The utility model provides a high-conductivity copper pole for high-voltage cable effectively improves the compactness of the copper pole junction, avoids the phenomenon of bad contact at the copper pole junction, please refer to fig. 1, including the copper pole 100, the outer wall of the copper pole 100 is wrapped with a dip-coating copper layer 110, the dip-coating copper layer 110 is used for improving the compression resistance and torsion resistance of the copper pole 100;

referring to fig. 1 again, the outer wall of the dip-coated copper layer 110 is sleeved with an insulating layer 200, the outer wall of the insulating layer 200 is fixedly provided with a snap ring 210, and the snap ring 210 is used for installing a sheath 300;

referring to fig. 1, 3 and 4, a sheath 300 is sleeved on an outer wall of an insulating layer 200, the sheath 300 includes a first sheath 310 and a second sheath 320, a clamping groove 330 is formed on the circumference of the inner wall of the first sheath 310 and the second sheath 320, an extension cylinder 340 is fixedly mounted on the circumference of the viewed wall of the first sheath 310 and the second sheath 320, the outer wall of the extension cylinder 340 of the first sheath 310 contacts with the inner wall of the extension cylinder 340 of the second sheath 320, a bolt 350 is clamped on the outer wall of the first sheath 310 and the outer wall of the second sheath 320, a connecting spring 351 is sleeved on the outer wall of a screw rod of the bolt 350, two ends of the connecting spring 351 respectively contact with a nut of the bolt 350 and the outer wall of the sheath 300, the extension cylinder 340 is used for improving the contact tightness between the insulating layer 410 and the insulating layer 200, and the bolt 350 and the connecting spring 351 are used for the first sheath 310 and the second sheath 320 to approach each other, and the insulating layer 200 and the insulating layer 410, A gap is formed between the insulating sleeve 410 and the insulating layer 200;

referring to fig. 1 and 2, an insulating sleeve 410 is sleeved on the outer wall of the insulating layer 200, a conductive copper plate 400 is clamped in an inner cavity of the insulating sleeve 410, the insulating sleeve 410 is located in the inner cavity of the sheath 300, the inner wall of the extension cylinder 340 is in contact with the outer wall of the insulating sleeve 410, and the insulating sleeve 410 is used for bearing and installing the conductive copper plate 400 to prevent the conductive copper plate 400 from moving between the ends of the two groups of copper rods 100;

referring to fig. 1, the cross sections of the snap ring 210 and the snap groove 330 are both inverted trapezoids, so as to prevent the insulating layer 200 from aging and softening to cause a gap between the insulating layer 200 and the sheath 300;

referring to fig. 3 and 4, the outer walls of the two groups of extension cylinders 340 are respectively provided with an anti-twisting strip 341 and an anti-twisting groove 342, and when the copper rod anti-twisting strips 341 and the anti-twisting grooves 342 of the two groups of extension cylinders 340 are connected, the torsion resistance of the copper rod 100 is improved;

referring to fig. 2, the left and right outer walls of the conductive copper plate 400 are both provided with copper rod limiting grooves 420, and when the connection position of the copper rods 100 is bent, the end portions of the two groups of copper rods 100 can always keep close contact with the conductive copper plate 400, so that the phenomenon of poor contact between the two groups of copper rods 100 when the copper rods 100 are bent is avoided;

the bolts 350 are provided with at least three groups, so that the compression resistance and the torsion resistance of the copper rods 100 are improved, and the connection strength between the copper rods 100 is improved.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. The utility model provides a high electrically conductive copper pole for high tension cable which characterized in that: the copper rod comprises a copper rod (100), the outer wall of the copper rod (100) is wrapped by a dip-coating copper layer (110), the outer wall of the dip-coating copper layer (110) is sleeved with an insulating layer (200), the outer wall of the insulating layer (200) is fixedly provided with a clamping ring (210), the outer wall of the insulating layer (200) is sleeved with a sheath (300), the sheath (300) comprises a first sheath (310) and a second sheath (320), the circumferences of the inner walls of the first sheath (310) and the second sheath (320) are provided with clamping grooves (330), the circumferences of the walls of the first sheath (310) and the second sheath (320) are both fixedly provided with extension cylinders (340), the outer wall of the extension cylinder (340) of the first sheath (310) is in contact with the inner wall of the extension cylinder (340) of the second sheath (320), the outer walls of the first sheath (310) and the second sheath (320) are clamped with bolts (350), and the outer wall of a screw rod in the bolts (350) is sleeved with a connecting spring (, the both ends of connecting spring (351) respectively with the outer wall contact of the nut in bolt (350) and sheath (300), insulating cover (410) has been cup jointed to the outer wall of insulating layer (200), the inner chamber joint of insulating cover (410) has electrically conductive copper (400), insulating cover (410) is located the inner chamber of sheath (300), the inner wall of an extension section of thick bamboo (340) contacts with the outer wall of insulating cover (410).

2. The high-conductivity copper rod for high-voltage cables as claimed in claim 1, wherein: the cross sections of the snap ring (210) and the clamping groove (330) are both inverted trapezoids.

3. The high-conductivity copper rod for high-voltage cables as claimed in claim 1, wherein: the outer walls of the two groups of extension cylinders (340) are respectively provided with an anti-twist strip (341) and an anti-twist groove (342).

4. The high-conductivity copper rod for high-voltage cables as claimed in claim 1, wherein: the left outer wall and the right outer wall of the conductive copper plate (400) are both provided with copper rod limiting grooves (420).

5. The high-conductivity copper rod for high-voltage cables as claimed in claim 1, wherein: the bolts (350) are provided with at least three sets.

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