阅读说明：本技术 一种架空绝缘抗拉防鸟啄型电缆 (Overhead insulating tensile bird pecking prevention type cable ) 是由 吴学明 吴迪 于 2019-08-07 设计创作，主要内容包括：本发明涉及架空电缆应用技术领域,且公开了一种架空绝缘抗拉防鸟啄型电缆,包括缆芯,所述缆芯的外部包裹有电缆填充层,所述电缆填充层的外部包裹有电缆绝缘层,所述电缆绝缘层的外部包裹有电缆阻燃层,所述电缆阻燃层的外部包裹有电缆无机纤维层,所述电缆无机纤维层的外部包裹有电缆复合抗拉层。该架空绝缘抗拉防鸟啄型电缆,通过缆芯的外层设有外保护层和防啄层在线段处进行保护,且对接接口处设有安装环和对接环进行保护,同时其外侧安装有稳定套环和防啄套环防止鸟类破坏其边缘处,进而有效防止鸟类破坏等外部干扰因素,从而有效的解决了架空电缆会经常遭受鸟啄且其耐受能力较为一般的问题。(The invention relates to the technical field of aerial cable application, and discloses an aerial insulated tensile bird pecking-resistant cable which comprises a cable core, wherein a cable filling layer is wrapped outside the cable core, a cable insulating layer is wrapped outside the cable filling layer, a cable flame-retardant layer is wrapped outside the cable insulating layer, a cable inorganic fiber layer is wrapped outside the cable flame-retardant layer, and a cable composite tensile layer is wrapped outside the cable inorganic fiber layer. This overhead insulating tensile prevents bird pecking type cable is equipped with the outer protective layer through the skin of cable core and prevents pecking the layer and protect at line segment department, and the butt joint kneck is equipped with the collar and protects with the collar, and its outside is installed simultaneously and is stabilized the lantern ring and prevent pecking the lantern ring and prevent that birds from destroying its edge, and then effectively prevents external disturbance factors such as birds destruction to the effectual overhead cable of having solved can often suffer the bird pecking and its ability comparatively general problem.)

1. The utility model provides an aerial insulation tensile prevents bird pecking type cable, includes cable core (1), its characterized in that: the cable comprises a cable core (1), a cable filling layer (2) is wrapped outside the cable core (1), a cable insulating layer (3) is wrapped outside the cable filling layer (2), a cable flame-retardant layer (4) is wrapped outside the cable insulating layer (3), a cable inorganic fiber layer (5) is wrapped outside the cable flame-retardant layer (4), a cable composite tensile layer (6) is wrapped outside the cable inorganic fiber layer (5), an outer protective layer (7) is wrapped outside the cable composite tensile layer (6), an anti-pecking layer (8) is wrapped outside the outer protective layer (7), a butt cable (9) is attached to the top of the anti-pecking layer (8), a mounting ring (10) is sleeved outside the joint of the anti-pecking layer (8) and the butt cable (9), a butt ring (11) is connected to the outside of the mounting ring (10) through threads, and an insulating adhesive tape (12) is wrapped outside the butt ring (11), the outside of insulating adhesive tape (12) has cup jointed and has stabilized lantern ring (13), the fixed paster of outside fixedly connected with (14) of stabilizing lantern ring (13), the inside threaded connection of fixed paster (14) has first bolt (15), the outside of docking ring (11) has cup jointed prevents pecking lantern ring (16), prevent pecking spacing paster (17) of the outside fixedly connected with of lantern ring (16), the inside threaded connection of spacing paster (17) has second bolt (18).

2. An overhead insulated tensile bird pecking prevention cable according to claim 1, wherein: the cable comprises a cable core (1) and a cable filling layer (2), wherein the cable core (1) is of a hard aluminum cable core structure, the cable filling layer (2) is a PP (polypropylene) rope filling layer, stretch-resistant fibers are filled in the cable filling layer, a thin insulating layer covers the inner side of the cable filling layer (2), and the thin insulating layer is attached to the outer portion of the cable core (1).

3. An overhead insulated tensile bird pecking prevention cable according to claim 1, wherein: the cable insulation layer (3) is an insulation rubber layer, the thickness of the cable insulation layer is 0.3mm to 0.8mm, and the thickness of the cable filling layer (2) is equal to that of the cable insulation layer (3).

4. An overhead insulated tensile bird pecking prevention cable according to claim 1, wherein: the cable flame-retardant layer (4) is a flexible polyvinyl chloride layer, the thickness of the flexible polyvinyl chloride layer is 0.4mm to 0.9mm, and a thin anticorrosive layer wraps the outer portion of the cable flame-retardant layer (4).

5. An overhead insulated tensile bird pecking prevention cable according to claim 1 or 4, wherein: the cable inorganic fiber layer (5) is made of chlorinated polyethylene, the thickness of the cable inorganic fiber layer is 0.6mm to 0.8mm, soft inorganic fibers are sprayed on the outer portion of the cable inorganic fiber layer, and the inner side of the cable inorganic fiber layer (5) is attached to the outer portion of the thin anticorrosive layer.

6. An overhead insulated tensile bird pecking prevention cable according to claim 1, wherein: the cable composite tensile layer (6) is a tensile fiber layer, soft insulating layers are attached to the outer side and the inner side of the cable composite tensile layer, and the thickness of each soft insulating layer is 0.1mm to 0.3 mm.

7. An overhead insulated tensile bird pecking prevention cable according to claim 1, wherein: the outer protective layer (7) is a soft PVC layer, the pecking prevention layer (8) is a soft thin rubber layer, and the insulating adhesive tape (12) is uniformly wound at the joint of the pecking prevention layer (8), the butt cable (9) and the butt ring (11).

8. An overhead insulated tensile bird pecking prevention cable according to claim 1, wherein: the stabilizing sleeve ring (13) is formed by butting two semicircular sleeve rings and is attached to the outer part of the insulating adhesive tape (12), and the stabilizing sleeve ring (13), the fixing patch (14) and the first bolt (15) are all of insulating hard plastic structures.

9. An overhead insulated tensile bird pecking prevention cable according to claim 1, wherein: the pecking prevention lantern ring (16) is composed of two semicircular semi-insulating ceramic rings, the limiting patch (17) is an insulating ceramic patch, and the pecking prevention lantern ring (16) and the limiting patch (17) are of an integrated structure.

Technical Field

The invention relates to the technical field of aerial cable application, in particular to an aerial insulated tensile bird pecking prevention cable.

Background

The overhead cable is an overhead conductor with an insulating layer and a protective sheath, is a special cable manufactured by adopting a production process similar to a crosslinked cable, is a novel power transmission mode between the overhead conductor and an underground cable, is single-core, can be divided into a duralumin wire structure, a harddrawing copper wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core texture structure and the like according to different structures, and has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like.

Chinese patent CN 106448888A proposes a water-blocking overhead insulated cable, in the invention, a layer-by-layer closed surrounding effect is formed between middle layers and water-blocking layers through a water-blocking yarn layer and a water-blocking tape layer, so as to achieve the best water-blocking purpose, so that an independent closed ring is formed in each pitch of a conductor, thereby ensuring the axial waterproof and water-blocking purposes, and improving the service life of the cable.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the overhead insulated tensile anti-bird pecking cable which has the advantages of strong anti-bird pecking capability and the like, and solves the problems that the overhead cable is frequently subjected to bird pecking and has relatively common tolerance capability.

(II) technical scheme

In order to achieve the purpose of strong bird pecking prevention capability, the invention provides the following technical scheme: the utility model provides an overhead insulating tensile bird pecking prevention type cable, includes the cable core, the outside parcel of cable core has the cable filling layer, the outside parcel of cable filling layer has the cable insulation layer, the outside parcel of cable insulation layer has the cable fire-retardant layer, the outside parcel of cable fire-retardant layer has the cable inorganic fiber layer, the outside parcel of cable inorganic fiber layer has cable composite tensile layer, the outside parcel of cable composite tensile layer has the outer protective layer, the outside parcel of outer protective layer has the pecking prevention layer, the top laminating of pecking prevention layer has the butt joint cable, the outside of pecking prevention layer and butt joint cable junction has cup jointed the collar, the outside threaded connection of collar has the butt joint ring, the outside parcel of butt joint ring has the insulating tape, the outside of insulating tape has cup jointed the stabilization lantern ring, the outside fixedly connected with fixed paster of the stabilization lantern ring, the inside threaded connection of fixed paster has first bolt, the pecking-preventing lantern ring has been cup jointed to the outside of docking ring, the spacing paster of the outside fixedly connected with of pecking-preventing lantern ring, the inside threaded connection of spacing paster has the second bolt.

Preferably, the cable core is of a hard aluminum cable core structure, the cable filling layer is a PP rope filling layer, stretch-resistant fibers are filled in the PP rope filling layer, the inner side of the cable filling layer is covered with a thin insulating layer, and the thin insulating layer is attached to the outer portion of the cable core.

Preferably, the cable insulation layer is an insulation rubber layer, the thickness of the insulation rubber layer is 0.3mm to 0.8mm, and the thickness of the cable filling layer is equal to that of the cable insulation layer.

Preferably, the cable flame-retardant layer is a flexible polyvinyl chloride layer, the thickness of the cable flame-retardant layer is 0.4mm to 0.9mm, and the thin anticorrosive layer wraps the outside of the cable flame-retardant layer.

Preferably, the cable inorganic fiber layer is made of chlorinated polyethylene, the thickness of the cable inorganic fiber layer is 0.6mm to 0.8mm, soft inorganic fibers are sprayed on the outer portion of the cable inorganic fiber layer, and the inner side of the cable inorganic fiber layer is attached to the outer portion of the thin anti-corrosion layer.

Preferably, the cable composite tensile layer is a tensile fiber layer, soft insulating layers are attached to the outer side and the inner side of the cable composite tensile layer, and the thickness of each soft insulating layer is 0.1mm to 0.3 mm.

Preferably, the outer protective layer is a soft PVC layer, the pecking prevention layer is a soft thin rubber layer, and the insulating adhesive tape is uniformly wound on the pecking prevention layer and the joint of the butt cable and the butt ring.

Preferably, the stabilizing lantern ring is two semicircular lantern ring docks and laminates in the outside of insulating sticky tape, stabilizing lantern ring, fixed paster and first bolt are insulating rigid plastic structure.

Preferably, the pecking prevention lantern ring is composed of two semicircular semi-insulating ceramic rings, the limiting patch is an insulating ceramic patch, and the pecking prevention lantern ring and the limiting patch are of an integrated structure.

(III) advantageous effects

Compared with the prior art, the invention provides an overhead insulated tensile bird pecking prevention cable which has the following beneficial effects:

1. this bird pecking type cable is prevented to aerial insulation tensile, the skin through the cable core is equipped with the outer protective layer and prevents pecking the layer and protect at line section department, and the butt joint kneck is equipped with the collar and protects with the collar, its outside is installed simultaneously and is stabilized the lantern ring and prevent pecking the lantern ring and prevent that birds from destroying its edge, and then effectively prevent external interference factors such as birds destruction, the effect that bird pecking ability is strong has been reached, the junction through stabilizing the lantern ring and preventing pecking the lantern ring is equipped with fixed paster and spacing paster respectively, and install first bolt and second bolt and fix, can make this cable overall structure stability good.

2. This bird pecking type cable is prevented to aerial insulation tensile, the outside through the cable core is equipped with cable insulation layer, the fire-retardant layer of cable, cable inorganic fiber layer and the compound tensile layer of cable insulate, external protection such as fire-retardant and stretch-proofing, can effectively avoid this cable to appear the unstable problem of structure under permanent use, be insulating rigid plastic structure through stabilizing the lantern ring, and prevent pecking the lantern ring and be insulating ceramic ring, can effectively strengthen preventing pecking ability and insulating ability of above-mentioned lantern ring, and then guarantee that the protectiveness of this cable is good, thereby the effectual overhead cable of having solved can often suffer the bird pecking and its ability problem comparatively general.

Drawings

Fig. 1 is a schematic structural view of an overhead insulated tensile bird pecking prevention cable according to the present invention;

fig. 2 is a schematic cross-sectional view of an overhead insulated tensile bird pecking prevention cable according to the present invention;

fig. 3 is a cross-sectional view of a connection structure of a butt ring in an overhead insulated cable with tensile strength and bird pecking resistance according to the present invention.

In the figure: the cable comprises a cable core 1, a cable filling layer 2, a cable insulating layer 3, a cable flame-retardant layer 4, a cable inorganic fiber layer 5, a cable composite tensile layer 6, an outer protective layer 7, an anti-pecking layer 8, a butt cable 9, a mounting ring 10, a butt ring 11, an insulating tape 12, a stabilizing lantern ring 13, a fixing paster 14, a first bolt 15, a pecking-preventing lantern ring 16, a limiting paster 17 and a second bolt 18.

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. 1-3, an overhead insulated tensile anti-bird pecking cable comprises a cable core 1, a cable filling layer 2 is wrapped outside the cable core 1, the cable core 1 is a hard aluminum cable core structure, the cable filling layer 2 is a PP rope filling layer, tensile fibers are filled inside the cable filling layer, a thin insulating layer covers the inner side of the cable filling layer 2 and is attached to the outside of the cable core 1, a cable insulating layer 3 is wrapped outside the cable filling layer 2, the cable insulating layer 3 is an insulating rubber layer with a thickness of 0.3mm to 0.8mm, the thickness of the cable filling layer 2 is equal to that of the cable insulating layer 3, a cable flame retardant layer 4 is wrapped outside the cable insulating layer 3, the cable flame retardant layer 4 is a flexible polyvinyl chloride layer with a thickness of 0.4mm to 0.9mm, a thin anti-corrosion layer is wrapped outside the cable flame retardant layer 4, and a cable inorganic fiber layer 5 is wrapped outside the cable flame retardant layer 4, the cable inorganic fiber layer 5 is made of chlorinated polyethylene, the thickness of the cable inorganic fiber layer is 0.6mm to 0.8mm, soft inorganic fibers are sprayed on the outer side of the cable inorganic fiber layer 5, the inner side of the cable inorganic fiber layer 5 is attached to the outer side of the thin anti-corrosion layer, the cable inorganic fiber layer 5 is wrapped with the cable composite tensile layer 6, the cable composite tensile layer 6 is a tensile fiber layer, the outer side and the inner side of the cable composite tensile layer are both attached with soft insulating layers, the thickness of the soft insulating layers is 0.1mm to 0.3mm, the outer side of the cable composite tensile layer 6 is wrapped with the outer protective layer 7, the outer side of the outer protective layer 7 is wrapped with the anti-pecking layer 8, the top of the anti-pecking layer 8 is attached with the butt-joint cable 9, the outer part at the joint of the anti-pecking layer 8 and the butt-joint cable 9 is sleeved with the installation ring 10, the outer thread of the installation ring 10 is connected with the butt-joint ring 11, the outer part of the butt-joint ring, an insulating adhesive tape 12 is uniformly wound on the pecking-proof layer 8 and the joint of the butt cable 9 and the butt ring 11, a stabilizing sleeve ring 13 is sleeved outside the insulating adhesive tape 12, a fixed patch 14 is fixedly connected to the outside of the stabilizing sleeve ring 13, a first bolt 15 is connected to the inner thread of the fixed patch 14, the stabilizing sleeve ring 13 is formed by butting two semicircular sleeve rings and is attached to the outside of the insulating adhesive tape 12, the stabilizing sleeve ring 13, the fixed patch 14 and the first bolt 15 are all of insulating hard plastic structures, an pecking-proof sleeve ring 16 is sleeved outside the butt ring 11, a limiting patch 17 is fixedly connected to the outside of the pecking-proof sleeve ring 16, the pecking-proof sleeve ring 16 is formed by two semicircular insulating ceramic semi-rings, the limiting patch 17 is an insulating ceramic patch, the pecking-proof sleeve ring 16 and the limiting patch 17 are integrated, a second bolt 18 is connected to the inner thread of the limiting patch 17, and the overhead insulating tensile anti-, the cable insulation layer 3 is arranged outside the cable core 1, the cable flame-retardant layer 4 is arranged outside the cable, the cable inorganic fiber layer 5 and the cable composite tensile layer 6 are insulated, the flame retardance, the tensile resistance and other external protection are realized, the problem that the cable is unstable in structure under long-term use can be effectively solved, the stabilizing sleeve ring 13 is of an insulating hard plastic structure, the pecking prevention sleeve ring 16 is an insulating ceramic ring, the pecking prevention capacity and the insulating capacity of the sleeve ring can be effectively enhanced, the cable is guaranteed to be good in protection performance, and therefore the problem that the overhead cable can be frequently subjected to bird pecking and general in tolerance capacity is effectively solved.

The working principle is as follows: this overhead insulating tensile prevents bird pecking type cable, the skin through cable core 1 is equipped with outer protective layer 7 and prevents pecking layer 8 and protects in line section department, and the butt joint kneck is equipped with collar 10 and butt joint ring 11 and protects, it installs simultaneously and stabilizes the lantern ring 13 and prevent pecking lantern ring 16 and prevent that birds from destroying its edge in its outside, and then effectively prevent external interference factors such as birds destruction, the effect that prevents bird pecking ability reinforce has been reached, the junction through stabilizing lantern ring 13 and preventing pecking lantern ring 16 is equipped with fixed paster 14 and spacing paster 17 respectively, and install first bolt 15 and second bolt 18 and fix, can make this cable overall structure stability good.

To sum up, this bird pecking type cable is prevented to aerial insulation tensile, the outside through cable core 1 is equipped with cable insulation layer 3, the fire-retardant layer 4 of cable, cable inorganic fiber layer 5 and cable composite tensile layer 6 are insulated, external protection such as fire-retardant and stretch-proofing, can effectively avoid this cable to appear the unstable problem of structure under permanent use, be insulating rigid plastic structure through stabilizing lantern ring 13, and prevent pecking lantern ring 16 and be insulating ceramic ring, can effectively strengthen preventing pecking ability and insulating ability of above-mentioned lantern ring, and then guarantee that the protectiveness of this cable is good, thereby the effectual overhead cable that has solved can often suffer the bird pecking and its tolerance ability problem comparatively general.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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.