CN212111514U

CN212111514U - Line pressing spring of power line fault indicator

Info

Publication number: CN212111514U
Application number: CN202020577063.4U
Authority: CN
Inventors: 余佳达
Original assignee: Wenzhou Heli Spring Manufacture Co ltd
Current assignee: Wenzhou Heli Spring Manufacture Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-08
Anticipated expiration: 2030-04-17

Abstract

The utility model provides a power line fault indicator line ball spring, including line ball spring main part, first spiral portion and second spiral portion are installed relatively to the both sides of line ball spring main part, first spiral portion with one side of second spiral portion all is equipped with connecting portion, two the one end of connecting portion all is equipped with first supporting part, every the second supporting part is all installed to the one end of first supporting part, two be equipped with the bracing piece between the second supporting part, just first spiral portion with the one end of second spiral portion is equipped with first installation department and second installation department respectively, first installation department with the one end of second installation department all is equipped with hook-like portion, every the equal welded fastening in rear of hook-like portion has the positioning disk. The utility model discloses a positioning disk, hook-like portion, connecting portion, first supporting part and second supporting part have reduced the fastener installation after appear sliding and use for a long time the possibility that the pine takes off appears.

Description

Line pressing spring of power line fault indicator

Technical Field

The utility model relates to a technical field of spring specifically is power line fault indicator line ball spring.

Background

The overhead line of the 10kV urban and rural power distribution network in China has more faults, particularly after the distribution network line is insulated, an insulated wire is easy to be broken by lightning, the worldwide problem is not solved at present, and national and south networks have higher requirements on the safety, the economy and the suitability of the power distribution network. At present, each power supply company adopts fault indicators in a large number to reduce the fault finding range on a distribution line, the fault finding efficiency is improved, and the fault finding device has important significance for improving the power supply reliability. Therefore, it is necessary to develop a line pressing spring of the power line fault indicator, and the possibility of slippage after the installation of the line clamp and loosening after long-term use are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a power line fault indicator line ball spring for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a power line fault indicator wire pressing spring comprises a wire pressing spring body, wherein a first spiral part and a second spiral part are oppositely arranged on two sides of the wire pressing spring body, one side of each of the first spiral part and the second spiral part is provided with a connecting part, one end, far away from the first spiral part and the second spiral part, of each of the two connecting parts is provided with a first supporting part, one end, far away from each of the connecting parts, of each of the first supporting parts is provided with a second supporting part, a supporting rod is arranged between the two second supporting parts, two ends of the supporting rod are respectively connected with each of the second supporting parts, one end, far away from each of the connecting parts, of each of the first spiral part and the second spiral part is provided with a first mounting part and a second mounting part respectively, and one ends, far away from the first spiral part and the second spiral part, of the first mounting part and the second mounting part are provided with a hook-, and a positioning disc is welded and fixed at the rear part of each hook-shaped part.

Preferably, the inner side of the wire pressing spring main body is provided with a spring core, and the outer wall of the spring core is provided with a protective layer.

Preferably, the protective layer is sequentially provided with a high-temperature-resistant coating, an insulating layer and a corrosion-resistant layer from inside to outside, and the inner wall of the high-temperature-resistant coating is connected with the outer wall of the spring core.

Preferably, an insulating adhesive layer is arranged on the inner side of the insulating layer, the inner wall of the insulating adhesive layer is bonded and connected with the outer wall of the high-temperature-resistant coating, an epoxy resin film is bonded and connected to the outer side of the insulating adhesive layer, an insulating coating is coated on the outer wall of the epoxy resin film, and insulating oil is coated on the outer wall of the insulating coating.

Preferably, the inner side of the corrosion-resistant layer is provided with a corrosion-resistant coating, and the outer wall of the corrosion-resistant coating is coated with a wear-resistant layer.

Preferably, the first and second spirals have the same pitch.

Preferably, the drawing force of the line pressing spring main body is greater than 10 kg.

Preferably, each of the connecting portions and each of the first supporting portions form an angle of 90 ° to 120 ° with each of the first supporting portions and each of the second supporting portions.

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

the cable clamp comprises a cable, a wire clamp body, a positioning disc, a hook-shaped part, a first supporting part, a second supporting part and a connecting part, wherein the wire clamp body is provided with a hook-shaped part;

secondly, the utility model discloses improve the insulating nature of line ball spring main part through the insulating layer, reduce the possibility of circuit short circuit, stabilize the epoxy resin film through insulating viscose layer, effectively improved the insulating nature of line ball spring main part through the epoxy resin film, strengthen the insulating nature of line ball spring main part through the insulating coating and the insulating oil that set up simultaneously;

third, the utility model discloses a high temperature resistant coating has improved the high temperature resistance of line ball spring main part, and the corrosion-resistant coating that sets up through the corrosion-resistant layer improves the acid and alkali corrosion resistance and the oxidation resistance of line ball spring main part, improves the intensity on corrosion-resistant layer through the wearing layer, has prolonged life.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

fig. 2 is a schematic structural view of a first mounting portion of the present invention;

FIG. 3 is a sectional view of the main structure of the wire pressing spring of the present invention;

fig. 4 is a sectional view of the insulating layer structure of the present invention;

fig. 5 is a schematic structural view of the corrosion-resistant layer of the present invention.

In the figure: 1. a wire pressing spring body; 11. a first spiral portion; 111. a first mounting portion; 12. a second spiral portion; 121. a second mounting portion; 13. a hook portion; 14. a connecting portion; 15. a first support section; 16. a second support portion; 17. a support bar; 18. positioning a plate; 2. a spring core; 3. a protective layer; 31. a high temperature resistant coating; 32. an insulating layer; 321. an insulating adhesive layer; 322. an epoxy film; 323. an insulating coating; 324. insulating oil; 33. a corrosion-resistant layer; 331. a corrosion-resistant coating; 332. and a wear-resistant layer.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-5, the wire pressing spring of the power line fault indicator includes a wire pressing spring main body 1, a first spiral portion 11 and a second spiral portion 12 are installed at two sides of the wire pressing spring main body 1, a connection portion 14 is installed at one side of each of the first spiral portion 11 and the second spiral portion 12, a first support portion 15 is installed at one end of each of the two connection portions 14 far from the first spiral portion 11 and the second spiral portion 12, a second support portion 16 is installed at one end of each of the first support portions 15 far from each of the connection portions 14, a support rod 17 is installed between the two second support portions 16, two ends of the support rod 17 are respectively connected to each of the second support portions 16, and a first installation portion 111 and a second installation portion 121 are respectively installed at one end of each of the first spiral portion 11 and the second spiral portion 12 far from each of the connection portions 14, hook-shaped parts 13 are arranged at one ends of the first mounting part 111 and the second mounting part 121, which are far away from the first spiral part 11 and the second spiral part 12, a positioning disc 18 is fixedly welded at the rear of each hook-shaped part 13, the pitches of the first spiral part 11 and the second spiral part 12 are the same, the drawing force of the wire pressing spring body 1 is greater than 10kg, and the angle formed between each connecting part 14 and each first supporting part 15 and each second supporting part 16 is 90-120 degrees. In the present embodiment, since the pitches of the first spiral part 11 and the second spiral part 12 are the same, uniform stress is achieved.

Please refer to fig. 3-5 heavily, a spring core 2 is disposed on the inner side of the wire pressing spring body 1, a protective layer 3 is disposed on the outer wall of the spring core 2, the protective layer 3 is sequentially disposed with a high temperature resistant coating 31, an insulating layer 32 and a corrosion resistant layer 33 from inside to outside, the inner wall of the high temperature resistant coating 31 is connected to the outer wall of the spring core 2, an insulating adhesive layer 321 is disposed on the inner side of the insulating layer 32, the inner wall of the insulating adhesive layer 321 is bonded to the outer wall of the high temperature resistant coating 31, the outer side of the insulating adhesive layer 321 is bonded to an epoxy resin film 322, an insulating coating 323 is coated on the outer wall of the epoxy resin film 322, an insulating oil 324 is coated on the outer wall of the insulating coating 323, a corrosion resistant coating 331 is disposed on the inner side of the corrosion resistant layer 33, and a wear resistant layer. In the embodiment, the high temperature resistance of the wire pressing spring body 1 is improved through the high temperature resistant coating 31, the high temperature resistant coating 31 is a high temperature resistant coating, the corrosion-resistant coating 331 arranged on the corrosion-resistant layer 33 improves the acid-base corrosion resistance and the oxidation resistance of the wire pressing spring main body 1, prolongs the service life, the strength of the corrosion-resistant layer 33 is improved through the wear-resistant layer 332, the service life of the corrosion-resistant layer is prolonged, the corrosion-resistant coating 331 and the wear-resistant layer 332 are both corrosion-resistant coatings, the insulation of the wire-pressing spring body 1 is improved by the insulation layer 32, the epoxy resin film 322 is stabilized by the insulation adhesive layer 321, the insulation of the wire-pressing spring body 1 is effectively improved by the epoxy resin film 322, meanwhile, the insulation of the wire pressing spring body 1 is enhanced by the arranged insulation coating 323 and the insulation oil 324, the insulation oil 324 also has oxidation resistance, the insulating adhesive layer 321 is an insulating adhesive, and the insulating coating 323 is a polymer inorganic coating.

The utility model discloses a concrete operation as follows:

firstly, the fault indicator is installed on a cable through a wire pressing spring main body 1, in the installation process, the position of the wire pressing spring main body 1 is positioned through a positioning disc 18, the wire pressing spring main body 1 is stabilized, the wire pressing spring main body 1 is fixed through a hook-shaped part 13, the wire pressing spring main body 1 is stabilized through connecting parts 14, a first supporting part 15 and a second supporting part 16 which are arranged at different angles, the possibility of loosening after the installation of a wire clamp and long-term use is reduced, the high temperature resistance of the wire pressing spring main body 1 is improved through a high temperature resistant coating 31, the acid and alkali corrosion resistance and oxidation resistance of the wire pressing spring main body 1 are improved through an corrosion resistant coating 331 arranged on a corrosion resistant layer 33, the service life is prolonged, the strength of the corrosion resistant layer 33 is improved through a wear resistant layer 332, the service life is prolonged, the insulativity of the wire pressing spring, the epoxy resin film 322 is stabilized by the insulating adhesive layer 321, the insulativity of the wire pressing spring main body 1 is effectively improved by the epoxy resin film 322, the insulativity of the wire pressing spring main body 1 is enhanced by the arranged insulating coating 323 and the insulating oil 324, and the insulating oil 324 also has oxidation resistance.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. Power line fault indicator line ball spring, including line ball spring main part (1), its characterized in that, line ball spring main part (1)'s both sides are installed first spiral portion (11) and second spiral portion (12) relatively, first spiral portion (11) with one side of second spiral portion (12) all is equipped with connecting portion (14), two connecting portion (14) are kept away from first spiral portion (11) with the one end of second spiral portion (12) all is equipped with first supporting part (15), every is kept away from to first supporting part (15) second supporting part (16), two are all installed to the one end of connecting portion (14) be equipped with bracing piece (17) between second supporting part (16), the both ends of bracing piece (17) respectively with every second supporting part (16) link to each other, just first spiral portion (11) with every is kept away from to second spiral portion (12) the one end of connecting portion (14) is equipped with first ann respectively Dress portion (111) and second installation department (121), first installation department (111) with second installation department (121) are kept away from first spiral portion (11) with the one end of second spiral portion (12) all is equipped with hook-shaped portion (13), every the rear of hook-shaped portion (13) all welded fastening has positioning disk (18).

2. The power line fault indicator wire clip according to claim 1, characterized in that the inside of the wire clip body (1) is provided with a spring core (2), and the outer wall of the spring core (2) is provided with a protective layer (3).

3. The power line fault indicator wire pressing spring according to claim 2, characterized in that the protective layer (3) is provided with a high temperature resistant coating (31), an insulating layer (32) and a corrosion resistant layer (33) from inside to outside in sequence, and the inner wall of the high temperature resistant coating (31) is connected with the outer wall of the spring core (2).

4. The power line fault indicator wire pressing spring according to claim 3, wherein an insulating adhesive layer (321) is arranged on the inner side of the insulating layer (32), the inner wall of the insulating adhesive layer (321) is in adhesive connection with the outer wall of the high temperature resistant coating (31), an epoxy film (322) is in adhesive connection with the outer side of the insulating adhesive layer (321), an insulating coating (323) is coated on the outer wall of the epoxy film (322), and insulating oil (324) is coated on the outer wall of the insulating coating (323).

5. The power line fault indicator wire pressing spring according to claim 4, characterized in that the corrosion-resistant layer (33) is provided with a corrosion-resistant coating (331) on the inner side, and the corrosion-resistant coating (331) is coated with a wear-resistant layer (332) on the outer wall.

6. The power line fault indicator wire pressing spring according to claim 1, characterized in that the pitch of the first spiral (11) and the second spiral (12) is the same.

7. The power line fault indicator wire clip spring according to claim 1, characterized in that the pull-out force of the wire clip spring body (1) is greater than 10 kg.

8. The power line fault indicator wire clip according to claim 1, characterized in that each of the connecting portions (14) and each of the first supports (15) forms an angle of 90 ° -120 ° with each of the first supports (15) and each of the second supports (16).