CN210575304U

CN210575304U - Porcelain insulator for extra-high voltage line

Info

Publication number: CN210575304U
Application number: CN201921921639.8U
Authority: CN
Inventors: 刘义敏; 黄硕; 童李晶
Original assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Current assignee: Jiangxi Gao Qinag Ceramic Insulator Group Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-05-19
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a porcelain insulator technical field, and disclose a porcelain insulator for extra-high voltage circuit, solved present porcelain insulator when meeting higher voltage, namely under the condition that meets with flashover thunder and lightning impulse voltage because natural thunder and lightning discharges, intensity is not enough to satisfy the requirement, need to improve the dielectric breakdown strength, and the inconvenient problem of general porcelain insulator installation, it includes base, support column and porcelain insulator, the support column is fixed to be installed on the base, and porcelain insulator installs on the support column, and porcelain insulator includes bar type porcelain pillar, is equipped with a plurality of external insulation umbrella skirt sheaths on the bar type porcelain pillar, and bar type porcelain pillar lower extreme fixedly connected with spliced pole, and movable mounting has a fixing device on the spliced pole, and porcelain insulator passes through fixing device fixed mounting on the support column; the utility model discloses it is fixed firm not only to make porcelain insulator, and the installation of being convenient for moreover is dismantled, improves mechanical strength and flashover intensity greatly.

Description

Porcelain insulator for extra-high voltage line

Technical Field

The utility model belongs to the technical field of porcelain insulator, specifically be a porcelain insulator for extra-high voltage line.

Background

The safe operation of high-voltage overhead lines is achieved by using insulators on the conductors, which serve the function of suspension and insulation.

At present, when the existing porcelain insulator meets higher voltage, namely under the condition of meeting flashover lightning impulse voltage due to natural lightning discharge, the strength is not enough to meet the requirement, the insulation breakdown strength needs to be improved, and the common porcelain insulator is inconvenient to install and fix, so that the porcelain insulator for the extra-high voltage line is needed in the industry to solve the problem facing the industry.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a porcelain insulator for extra-high voltage line, the effectual porcelain insulator that has solved present is when meetting higher voltage, under meeting with flashover lightning impulse voltage's the condition because natural thunder and lightning discharges promptly, intensity is not enough to satisfy the requirement, needs to improve dielectric breakdown strength, and the problem of inconvenient is fixed in the installation of general porcelain insulator moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a porcelain insulator for extra-high voltage line, includes base, support column and porcelain insulator, support column fixed mounting is on the base, and porcelain insulator installs on the support column, and porcelain insulator includes bar type porcelain pillar, is equipped with the outer umbrella skirt sheath of a plurality of groups on the bar type porcelain pillar, and bar type porcelain pillar lower extreme fixedly connected with spliced pole, movable mounting has fixing device on the spliced pole, and porcelain insulator passes through fixing device fixed mounting on the support column.

Preferably, the surface of the porcelain insulator is provided with a plurality of high dielectric constant crystals and a first coating layer, the first coating layer is made of porcelain raw materials, the surface of the first coating layer is coated with a second coating layer, and the second coating layer is made of glaze.

Preferably, the fixing device comprises a first package clamp and a second package clamp, a first fixing sleeve and a second fixing sleeve are respectively arranged on the first package clamp and the second package clamp, a circular clamping sleeve is formed between the first fixing sleeve and the second fixing sleeve, and the circular clamping sleeve is matched with the connecting column and is movably connected with the connecting column.

Preferably, the first and second ends of the first and second clamps are symmetrically provided with two sets of first and second bolt holes, respectively, and a first fixing bolt penetrates between the first and second bolt holes and is fixedly connected with the second clamp through the first fixing bolt.

Preferably, the lower ends of the first bag clamp and the second bag clamp are fixedly connected with a first clamping seat and a second clamping seat respectively.

Preferably, third bolt holes are formed in the first clamping seat and the second clamping seat, a plurality of groups of bolt grooves are formed in the upper end of the supporting column, second fixing bolts penetrate through the third bolt holes and are movably connected with the bolt grooves, and the fixing device is fixedly connected with the supporting column through the second fixing bolts.

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

(1) the utility model discloses a porcelain insulator, including first fixing bolt, first fixed cover, the fixed cover of second, the spliced pole, second fixing bolt, fixing device and support column, in operation, adjust first fixing bolt, adjust the distance between first fixed cover and the fixed cover of second, make the diameter and the spliced pole phase-match of circular clamp cover, and tightly clip the spliced pole, thereby fix porcelain insulator, then can fix fixing device on the support column through second fixing bolt, thereby can be with fixing on the support column of porcelain insulator firmly, so not only make porcelain insulator fixed firm, and the installation of being convenient for is dismantled.

(2) The first coating layer is composed of a porcelain raw material and contributes to improving mechanical strength, and the second coating layer is composed of glaze and can improve flashover strength.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

fig. 2 is a schematic structural view of the middle porcelain insulator of the present invention;

fig. 3 is a schematic view of an installation structure of the fixing device of the present invention;

fig. 4 is a schematic structural view of the fixing device of the present invention;

in the figure: 1. a base; 2. a support pillar; 3. a porcelain insulator; 4. a rod-shaped porcelain pillar; 5. an outer insulating shed sheath; 6. connecting columns; 7. a fixing device; 8. a first holder; 9. a second holder; 10. wrapping and clamping the first; 11. a second wrapping clamp; 12. a first fixing sleeve; 13. a second fixing sleeve; 14. a first bolt hole; 15. a second bolt hole; 16. a first fixing bolt; 17. a third bolt hole; 18. a bolt slot; 19. and a second fixing bolt.

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 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.

Embodiment one, given by figure 1, figure 2, figure 3 and figure 4, the utility model discloses a base 1, support column 2 and

porcelain insulator

3, 2 fixed mounting of support column are on base 1, and porcelain insulator 3 installs on support column 2, and porcelain insulator 3 includes bar type porcelain pillar 4, is equipped with a plurality of external insulation umbrella skirt sheaths 5 of group on the bar type porcelain pillar 4, and 4 lower extreme fixedly connected with spliced poles 6 of bar type porcelain pillar have fixing device 7 in the spliced pole 6 movable mounting, and porcelain insulator 3 passes through fixing device 7 fixed mounting on support column 2.

In the second embodiment, based on the first embodiment, as shown in fig. 1, the surface of the porcelain insulator 3 is provided with a plurality of high-permittivity crystals and a first coating layer, the first coating layer is made of porcelain raw materials, the surface of the first coating layer is coated with a second coating layer, the second coating layer is made of enamels, the first coating layer is made of porcelain raw materials and contributes to improving mechanical strength, and the second coating layer is made of enamels and can improve flashover strength.

In the third embodiment, based on the second embodiment, as shown in fig. 3 and 4, the fixing device 7 includes a first wrapping clip 10 and a second wrapping clip 11, the first wrapping clip 10 and the second wrapping clip 11 are respectively provided with a first fixing sleeve 12 and a second fixing sleeve 13, a circular jacket is formed between the first fixing sleeve 12 and the second fixing sleeve 13, the circular jacket is matched with and movably connected with the connecting column 6, and the first fixing sleeve 12 and the second fixing sleeve 13 form a circular jacket to clamp the connecting column 6.

In the fourth embodiment, on the basis of the third embodiment, as shown in fig. 3 and 4, two groups of first bolt holes 14 and two groups of second bolt holes 15 are symmetrically formed at two ends of the first package clip 10 and the second package clip 11, respectively, a first fixing bolt 16 penetrates through the first bolt holes 14 and the second bolt holes 15, the first package clip 10 and the second package clip 11 are fixedly connected through the first fixing bolt 16, and the first fixing bolt 16 can fix the first package clip 10 and the second package clip 11 together, and can also adjust the distance between the first fixing sleeve 12 and the second fixing sleeve 13, so as to adjust the diameter of the circular jacket until the diameter is matched with the connecting column 6.

In the fifth embodiment, based on the fourth embodiment, as shown in fig. 3, the lower ends of the first bag clip 10 and the second bag clip 11 are respectively and fixedly connected with the first clamping seat 8 and the second clamping seat 9, and the first clamping seat 8 and the second clamping seat 9 play a transitional role.

Sixth embodiment, on the basis of fifth embodiment, as shown in fig. 3, third bolt holes 17 are formed in the first holder 8 and the second holder 9, a plurality of groups of bolt grooves 18 are formed in the upper end of the support column 2, a second fixing bolt 19 penetrates through the third bolt hole 17, the second fixing bolt 19 is movably connected with the bolt grooves 18, the fixing device 7 is fixedly connected with the support column 2 through the second fixing bolt 19, and the fixing device 7 can be fixed on the support column 2 through the second fixing bolt 19.

The working principle is as follows: during operation, adjust first fixing bolt 16, adjust the distance between first fixed cover 12 and the fixed cover 13 of second, make the diameter and the spliced pole 6 phase-match of circular clamp cover to tightly clip spliced pole 6, thereby fix porcelain insulator 3, then can fix fixing device 7 on support column 2 through second fixing bolt 19, thereby can be with the fixing on support column 2 of porcelain insulator 3 firmly.

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.

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 porcelain insulator for extra-high voltage line, includes base (1), support column (2) and porcelain insulator (3), its characterized in that: support column (2) fixed mounting is on base (1), and install on support column (2) porcelain insulator (3), and porcelain insulator (3) are equipped with a plurality of outer insulating umbrella skirt sheaths of group (5) including bar type porcelain pillar (4) on bar type porcelain pillar (4), bar type porcelain pillar (4) lower extreme fixedly connected with spliced pole (6), and movable mounting has fixing device (7) on spliced pole (6), and porcelain insulator (3) are through fixing device (7) fixed mounting on support column (2).

2. The porcelain insulator for the extra-high voltage line according to claim 1, wherein: the surface of the porcelain insulator (3) is provided with a plurality of high dielectric constant crystals and a first coating layer, the first coating layer is made of porcelain raw materials, a second coating layer is coated on the surface of the first coating layer, and the second coating layer is made of glaze.

3. The porcelain insulator for the extra-high voltage line according to claim 2, wherein: the fixing device (7) comprises a first package clamp (10) and a second package clamp (11), a first fixing sleeve (12) and a second fixing sleeve (13) are respectively arranged on the first package clamp (10) and the second package clamp (11), a circular clamping sleeve is formed between the first fixing sleeve (12) and the second fixing sleeve (13), and the circular clamping sleeve is matched with the connecting column (6) and movably connected with the connecting column.

4. The porcelain insulator for the extra-high voltage line according to claim 3, wherein: the first bolt hole (14) and the second bolt hole (15) which are two groups in number are symmetrically formed in two ends of the first wrapping clamp (10) and the second wrapping clamp (11) respectively, a first fixing bolt (16) penetrates through the first bolt hole (14) and the second bolt hole (15), and the first wrapping clamp (10) and the second wrapping clamp (11) are fixedly connected through the first fixing bolt (16).

5. The porcelain insulator for the extra-high voltage line according to claim 4, wherein: the lower ends of the first bag clamp (10) and the second bag clamp (11) are fixedly connected with a first clamping seat (8) and a second clamping seat (9) respectively.

6. The porcelain insulator for the extra-high voltage line according to claim 5, wherein: third bolt holes (17) have all been seted up in first holder (8) and second holder (9), and support column (2) upper end is equipped with a plurality of groups bolt groove (18), has run through second fixing bolt (19) in third bolt hole (17), second fixing bolt (19) and bolt groove (18) swing joint, through second fixing bolt (19) fixed connection between fixing device (7) and support column (2).