CN107959260B - 10kV hard combined spliced shielding device - Google Patents
10kV hard combined spliced shielding device Download PDFInfo
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- CN107959260B CN107959260B CN201810014249.6A CN201810014249A CN107959260B CN 107959260 B CN107959260 B CN 107959260B CN 201810014249 A CN201810014249 A CN 201810014249A CN 107959260 B CN107959260 B CN 107959260B
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- shielding cover
- cover
- shielding
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- tail
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention relates to the technical field of shielding of 10KV high-voltage power distribution operation, in particular to a 10kV hard combined spliced shielding device. The head shielding cover is assembled by combining a cross arm shielding cover, a suspension insulator shielding cover, a support plate shielding cover and a head shielding cover; the cross arm shielding cover is formed by sequentially combining and assembling a head shielding cover, a middle shielding cover and a tail shielding cover, and covers the outside of the cross arm; the suspension insulator shielding cover is formed by combining and assembling a large cover body, a small cover body and a bottom baffle, and covers the outside of the suspension insulator; the support plate shielding cover is of a telescopic elastic cylindrical cover body structure and covers the outside of the support plate; the club head shielding cover is of an arch cylinder structure and covers the outside of the club head. The invention realizes insulation shielding and insulation isolation of the cross arm, the suspension insulator, the support plate and the club head; the installation and the disassembly are convenient and quick, and the working efficiency is improved; the universality and applicability are strong.
Description
Technical Field
The invention relates to the technical field of shielding of 10KV high-voltage power distribution operation, in particular to a 10kV hard combined spliced shielding device.
Background
With the rapid development of social economy and the continuous improvement of living standard of people, the requirements on the power supply reliability of the distribution network are higher and higher, and the number of times of live working execution on the distribution network line is increased and higher. In order to ensure the safety of live working personnel, besides insulation protection, an electrified body or a grounding body is insulated and shielded during live working, so that casualties caused by direct contact of a human body with a wire can be avoided.
At present, no special equipment for insulating and shielding the tension-resistant cross arm, the suspension insulator, the support plate and the rod head exists in live working, and operators can only wrap soft insulating tools such as insulating blankets, insulating protective tubes and the like outside the cross rod to insulate and shield the soft insulating tools. The device is easy to wear, short in service life, high in cost and long in installation time; more importantly, the connection and edge angle of the equipment are difficult to shade tightly or the disassembly and assembly difficulty is high because the soft insulating tool is not matched with the equipment, so that the safety risk of operators is increased; and the universality is poor, and the unified specification and interface size are not available.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a 10kV hard combined spliced shielding device for realizing insulating shielding and insulating isolation of a tension cross arm, a suspension insulator, a support plate and a rod head.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the 10kV hard combined spliced shielding device is formed by combining and splicing a cross arm shielding cover, a suspension insulator shielding cover, a support plate shielding cover and a rod head shielding cover; the cross arm shielding cover is formed by sequentially combining and assembling a head shielding cover, a middle shielding cover and a tail shielding cover, and covers the outside of the cross arm; the suspension insulator shielding cover is formed by combining and assembling a large cover body, a small cover body and a bottom baffle, and covers the outside of the suspension insulator; the support plate shielding cover is of a telescopic elastic cylindrical cover body structure and covers the outside of the support plate; the club head shielding cover is of an arch cylinder structure and covers the outside of the club head.
The head shielding cover of the cross arm shielding cover is of a groove-shaped structure, a semicircular hole is formed in the front end of the top surface, arched mounting holes are formed in the side surfaces, and sliding ways are arranged on the two sides of the bottom surface; the head of the middle shielding cover is of a groove-shaped structure, flanges are arranged on two sides of the bottom, the tail of the middle shielding cover is of an L-shaped structure, and an arched wire outlet is formed in the top surface of the middle shielding cover; the head of the tail shielding cover is a plugboard, the tail is of a groove-shaped structure, and the top surface of the tail shielding cover is provided with an arched wire outlet; the head shielding cover covers the outside of the cross arm, the middle shielding cover covers the outside of the head shielding cover, the slide way is placed on the baffle edge, the tail part of the tail shielding cover covers the outside of the middle shielding cover, and the plugboard is inserted into the middle shielding cover and the inside of the head shielding cover and is placed on the slide way.
The plugboard is of a telescopic structure, and the head part of the plugboard is provided with two mutually parallel strip holes.
The head shielding cover, the middle shielding cover, the tail shielding cover, the large shielding body, the small shielding body, the bottom baffle and the club head shielding cover are all made of hard materials for 10KV high-voltage insulation.
The large cover body of the suspension insulator shielding cover is of an arch cover body structure, the front and the back of the large cover body are provided with small arch-shaped slots, and the side face of the large cover body is provided with a strip-shaped slot; the small cover body is of an arch plate structure and is arranged on two sides of the large cover body by being inserted into the small arch slot; the baffle is L-shaped structure and is installed at the bottom of the large cover body by being inserted into the strip-shaped slot.
The baffle is provided with a slot-shaped hole.
The support plate shielding cover is of a telescopic elastic cylindrical cover body structure.
The top of the club head shielding cover is provided with a handle.
Compared with the prior art, the invention has the beneficial effects that:
1) The insulating shielding device is covered outside the cross arm, the insulator and the support plate, so that the insulating isolation problem between the charged body and the tension-resistant cross arm and between the insulators is effectively solved, the insulating strength is high, the insulating drainage wire can directly pass through the insulating shielding cover of the combined cross arm, and the insulating shielding and insulating isolation are tight;
2) The invention is a combined assembly structure, can complete assembly by pushing, pulling and splicing without bolt connection, is convenient and quick to install, saves 30% of operation time, improves the working efficiency and ensures the safety of operation;
3) The combination form is convenient and various, can dismantle the combination to various job sites, and the commonality and the suitability are strong.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a cross arm shield of the present invention;
FIG. 3 is a schematic perspective view of a shield for a suspension insulator of the present invention;
FIG. 4 is a schematic perspective view of a cover for a golf club head according to the present invention;
fig. 5 is a schematic perspective view of the shielding cover of the support plate of the present invention.
In the figure: 1-cross arm shielding cover 2-suspension insulator shielding cover 3-support plate shielding cover 4-rod head shielding cover 5-wire rod 6-rod head 7-head shielding cover 8-middle shielding cover 9-tail shielding cover 10-semicircular hole 11-arched mounting hole 12-slide 13-flange 14-arched wire outlet 15-plugboard 16-strip hole 17-cross arm 18-general cover 19-small cover 20-bottom baffle 21-small arched slot 22-strip slot 23-slot 24-handle 25-support plate
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1, the 10kV hard combined spliced shielding device is formed by combining and splicing a cross arm shielding cover 1, a suspension insulator shielding cover 2, a support plate shielding cover 3 and a club head shielding cover 4. The cross arm shielding cover 1 is formed by sequentially combining and assembling a head shielding cover 7, a middle shielding cover 8 and a tail shielding cover 9, and covers the outside of the cross arm 17. The suspension insulator shielding cover 2 is formed by combining and assembling a large cover body 18, a small cover body 19 and a bottom baffle 20, and covers the outside of the suspension insulator. The support plate shielding cover 3 is of a telescopic elastic cylindrical cover body structure and covers the outside of the support plate 25. The club head shielding cover 4 has an arch cylinder structure and covers the outside of the club head 6.
As shown in fig. 2, the cross arm shielding cover 1 is formed by sequentially combining and assembling a head shielding cover 7, a middle shielding cover 8 and a tail shielding cover 9. The head shielding cover 7, the middle shielding cover 8 and the tail shielding cover 9 are all made of 10KV high-voltage insulating PA66 composite hard materials.
The head shielding cover 7 is of a groove-shaped structure, the front end of the top surface is provided with a semicircular hole 10, and the diameter of the semicircular hole 10 is matched with the diameter of a telegraph pole. The side face is provided with an arch-shaped mounting hole 11, and the two sides of the bottom face are provided with slide ways 12.
The middle part shields cover 8 head and is the recess shape structure, and the bottom both sides are equipped with flange 13, and the afterbody is L shape structure, and L shape structure top surface is equipped with 3 equipartitions's arch electric wire hole 14. The width and the height of the groove of the middle shielding cover 8 are 4-8 mm larger than those of the groove of the head shielding cover 7, so that the head shielding cover 7 can be conveniently placed into the middle shielding cover 8.
The head of the tail shielding cover 9 is provided with the plugboard 15, the plugboard 15 is of a telescopic structure, the plugboard 15 can be lengthened and shortened, the plugboard 15 is convenient to transport after being shortened, the plugboard is convenient to hoist on the cross arm 17, the telescopic structure can adjust the installation size, and the universality is strong. The head of the insert plate 15 is provided with two mutually parallel elongated holes 16. The end of the plugboard 15 is provided with a semicircular hole 10 with the same size of the head shielding cover 7. The tail part of the tail shielding cover 9 is of a groove-shaped structure, the width of the groove is the same as the top edge of the L-shaped structure of the middle shielding cover 8, and the height of the groove is 2-4 mm higher than the top edge of the L-shaped structure of the middle shielding cover 8, so that the tail shielding cover 9 can be conveniently covered outside the middle shielding cover 8. The top surface of the top edge of the L-shaped structure is provided with 3 uniformly distributed arched wire outlet holes 14, and the size of the arched wire outlet holes 14 is the same as that of the arched wire outlet holes 14 of the middle shielding cover 8.
The mounting process of the cross arm shielding cover 1 is as follows: one end of the semicircular hole 10 of the head shield 7 is first placed on the head of the crossbar 17 (i.e. at the wire pole). The semicircular hole 10 is placed outside the wire rod 5, the head shielding cover 7 is covered outside the cross arm 17, the slideway 12 of the head shielding cover 7 is placed on the flange 13 of the middle shielding cover 8 and pushed forward, and the middle shielding cover 8 is covered outside the head shielding cover 7. The insert plate 15 is inserted into the middle shield 8 and the head shield 7, placed on the slide 12, and pushed forward until the semicircular hole 10 of the tail shield 9 is aligned with the semicircular hole 10 of the head shield 7. The tail shielding cover 9 covers the tail outside the middle shielding cover 8. The disassembly process of the cross arm shield 1 is opposite to the installation process.
The cross arm shielding cover 1 is completely covered outside the cross arm 17, has tight insulation and isolation, particularly shields tightly the connection and edges of the cross arm 17, and ensures the absolute safety of live working; the cross arm shielding cover 1 is formed by sequentially combining and assembling a head shielding cover 7, a middle shielding cover 8 and a tail shielding cover 9, so that the volume and the weight of single components are reduced, the installation and the transportation are convenient, and the disassembly and the assembly are convenient in an operation site; the head shielding cover 7, the middle shielding cover 8 and the tail shielding cover 9 are assembled through the sliding ways, and the assembly and the disassembly can be completed through insertion and pushing and pulling, so that the assembly and the disassembly are convenient and quick, the labor intensity is reduced, and the assembly and disassembly operation time is shortened.
As shown in fig. 3, the suspension insulator shielding cover 2 is formed by combining and assembling a large cover body 18, a small cover body 19 and a bottom baffle 20. The large cover 18, the small cover 19 and the bottom baffle 20 are all made of hard materials for 10KV high-voltage insulation.
The large cover 18 has an arch-shaped cover structure, a small arch-shaped slot 21 is arranged at the front and the rear of the large cover, and a strip-shaped slot 22 is arranged at the side of the large cover.
The small cover 19 is of an arch plate structure and is arranged at two sides of the large cover 18 by being inserted into the small arch slot 21. The length of the part of the suspension insulator covered by the small cover body 19 can be adjusted by adjusting the depth of the small cover body 19 inserted into the large cover body 18, and the whole length of the suspension insulator shielding cover 2 can be adjusted, so that the applicability is strong.
The bottom baffle 20 is of an L-shaped plate structure, the bottom baffle 20 is inserted into a strip-shaped slot 22 through the bottom edge and is arranged at the bottom of the large cover body 18, and slot-shaped holes 23 are formed in the side edges, so that the bottom baffle 20 can be pushed and pulled conveniently.
The suspension insulator shielding cover 2 is provided with the bottom baffle 20, and all the surfaces are insulated and isolated, so that the suspension insulator shielding cover is completely covered outside the suspension insulator, the safety is high, and the absolute safety of live working is ensured. The suspension insulator shielding cover 2 is formed by combining and assembling a large cover body 18, a small cover body 19 and a bottom baffle 20, so that the volume and the weight of a single part are reduced, and the suspension insulator shielding cover is convenient to hoist and transport; the assembly and disassembly can be completed through insertion and pushing and pulling, the assembly and disassembly are convenient and quick, the labor intensity is lightened, and the assembly and disassembly operation time is shortened.
As shown in fig. 4, the club head cover 4 has an arch cylinder structure, and a handle 24 is provided at the top thereof, which is convenient for installation.
As shown in fig. 5, the support plate shielding cover 3 has a cylindrical cover body structure and is made of a 10KV high-voltage insulating stretchable elastic material.
The invention effectively solves the insulation and isolation problems between the electrified body and the cross arm and between the insulators, has high insulation strength, and the insulation drainage wire can directly pass through the combined cross arm insulation shielding cover 1, so that the insulation shielding and insulation isolation are tight; the operation time is saved by 30%, the working efficiency is improved, and the operation safety is ensured; the combined form is convenient and various, and the insulation shielding and isolating object is different according to different field operation environments, so that the adaptability problem is solved, the combined type is disassembled and combined according to various operation fields by adopting the unified design specification and the interface size, and the universality and the applicability are strong.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1.10kV hard combination concatenation formula shielding device, its characterized in that: the head shielding cover is assembled by combining a cross arm shielding cover, a suspension insulator shielding cover, a support plate shielding cover and a head shielding cover; the cross arm shielding cover is formed by sequentially combining and assembling a head shielding cover, a middle shielding cover and a tail shielding cover, and covers the outside of the cross arm; the suspension insulator shielding cover is formed by combining and assembling a large cover body, a small cover body and a bottom baffle, and covers the outside of the suspension insulator; the support plate shielding cover is of a telescopic elastic cylindrical cover body structure and covers the outside of the support plate; the club head shielding cover is of an arch cylinder structure and covers the outside of the club head;
the head shielding cover of the cross arm shielding cover is of a groove-shaped structure, a semicircular hole is formed in the front end of the top surface, arched mounting holes are formed in the side surfaces, and sliding ways are arranged on the two sides of the bottom surface; the head of the middle shielding cover is of a groove-shaped structure, flanges are arranged on two sides of the bottom, the tail of the middle shielding cover is of an L-shaped structure, and an arched wire outlet is formed in the top surface of the middle shielding cover; the head of the tail shielding cover is a plugboard, the tail is of a groove-shaped structure, and the top surface of the tail shielding cover is provided with an arched wire outlet; the head shielding cover is covered outside the cross arm, the middle shielding cover is covered outside the head shielding cover, the slide way is placed on the baffle edge, the tail part of the tail shielding cover is covered outside the middle shielding cover, and the plugboard is inserted into the middle shielding cover and the head shielding cover and is placed on the slide way;
the plugboard is of a telescopic structure, and the head part of the plugboard is provided with two strip holes which are parallel to each other;
the head shielding cover, the middle shielding cover, the tail shielding cover, the large cover body, the small cover body, the bottom baffle and the club head shielding cover are all made of hard materials for 10KV high-voltage insulation;
the large cover body of the suspension insulator shielding cover is of an arch cover body structure, the front and the back of the large cover body are provided with small arch-shaped slots, and the side face of the large cover body is provided with a strip-shaped slot; the small cover body is of an arch plate structure and is arranged on two sides of the large cover body by being inserted into the small arch slot; the bottom baffle is of an L-shaped structure and is arranged at the bottom of the large cover body by being inserted into the strip-shaped slot; the bottom baffle is provided with a slot-shaped hole.
2. The 10kV hard combined splice type shielding device according to claim 1, wherein: the support plate shielding cover is of a telescopic elastic cylindrical cover body structure.
3. The 10kV hard combined splice type shielding device according to claim 1, wherein: the top of the club head shielding cover is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014249.6A CN107959260B (en) | 2018-01-08 | 2018-01-08 | 10kV hard combined spliced shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014249.6A CN107959260B (en) | 2018-01-08 | 2018-01-08 | 10kV hard combined spliced shielding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107959260A CN107959260A (en) | 2018-04-24 |
| CN107959260B true CN107959260B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810014249.6A Active CN107959260B (en) | 2018-01-08 | 2018-01-08 | 10kV hard combined spliced shielding device |
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| CN (1) | CN107959260B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988205B (en) * | 2018-08-17 | 2023-07-18 | 国网江西省电力有限公司上饶供电分公司 | Combined 10kV strain insulator string shielding cover |
| CN109038433A (en) * | 2018-08-22 | 2018-12-18 | 山东利安电器有限公司 | Insulating shield, terminal pole and transmission system |
| CN110707594A (en) * | 2019-09-17 | 2020-01-17 | 国网浙江东阳市供电有限公司 | 10kV distribution network ground potential live-line dismantling and overlapping lead shielding tool |
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