CN210200421U - Long rod-shaped porcelain insulator - Google Patents
Long rod-shaped porcelain insulator Download PDFInfo
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- CN210200421U CN210200421U CN201921375022.0U CN201921375022U CN210200421U CN 210200421 U CN210200421 U CN 210200421U CN 201921375022 U CN201921375022 U CN 201921375022U CN 210200421 U CN210200421 U CN 210200421U
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- porcelain insulator
- long rod
- insulator
- metal connecting
- insulating rubber
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Abstract
The utility model discloses a long rod-shaped porcelain insulator. This kind of long bar-shaped porcelain insulator includes porcelain insulator, porcelain insulator both ends are connected with metal connecting piece, porcelain insulator is provided with well cavity, be provided with the insulating rubber stick in the well cavity, metal connecting piece is provided with the inner chamber, porcelain insulator's tip is worn to locate in the inner chamber, be provided with the adhesive layer between porcelain insulator lateral wall and the metal connecting piece and bond together through the adhesive layer, it has insulating rubber to fill between porcelain insulator's the terminal surface and the metal connecting piece interior diapire. The utility model discloses a long rod-shaped porcelain insulator has filled insulating rubber between porcelain insulator and metal connecting piece, and insulating rubber has certain elasticity, and when porcelain insulator received external force and assaulted, insulating rubber can cushion most external force, avoids porcelain insulator brittle failure, and when porcelain insulator received great external force and assaulted the fracture, the insulating rubber stick of porcelain insulator cavity intracavity can not fracture to continue to support porcelain insulator.
Description
Technical Field
The utility model relates to a power transmission technical field, concretely relates to long bar-shaped porcelain insulator.
Background
Insulators are devices that are mounted between conductors of different potentials or between a conductor and a ground potential member and are able to withstand the effects of voltage and mechanical stress. The insulating control is a special insulating control and can play an important role in an overhead transmission line. The insulator is mainly used for supporting and fixing the bus and the live conductor and ensuring that the live conductor or the conductor has enough distance and insulation with the ground. The insulator is usually made of glass or ceramic, and the insulator made of ceramic is a porcelain insulator.
For example, patent with application number CN201820096710.2 discloses a rod-shaped suspension porcelain insulator, which comprises a porcelain core column and a plurality of sheds arranged on the porcelain core column, wherein the sheds are internally provided with cavities; the top of the porcelain core column is convexly provided with an inserted rod, the bottom of the porcelain core column is inwards sunken to form an insertion hole, and the inserted rod is in threaded connection with the insertion hole; a first retaining ring and a second retaining ring are arranged on the porcelain core column, the first retaining ring is positioned above the first umbrella skirt at the upper part, the second retaining ring is positioned below the first umbrella skirt at the lower part, threads are arranged on the side wall of the porcelain core column between the top of the porcelain core column and the first retaining ring as well as between the bottom of the porcelain core column and the second retaining ring, a sleeve is sleeved at the bottom of the porcelain core column, and the sleeve is in threaded connection with the top and the bottom of the porcelain core column; the ceramic core column is also sleeved with a movable ring, and the movable ring is connected with the sleeve through a chain; its simple structure utilizes neotype connected mode to replace traditional iron hat, steel foot complex mode, and the equipment is convenient, connect the fastening, provides security and the stability of whole use.
The porcelain insulator of above-mentioned patent has adopted neotype threaded connection mode, connects fastening more, stable, however, the threaded connection mode of the porcelain insulator of this patent is rigid connection, and when porcelain insulator received great external force and assaulted, the easy brittle failure of porcelain core post.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of easy brittle failure of the porcelain core column, the utility model provides a long rod-shaped porcelain insulator.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a long bar-shaped porcelain insulator, includes porcelain insulator, porcelain insulator both ends are connected with metal connecting piece, porcelain insulator is provided with well cavity, be provided with the insulating rubber stick in the well cavity, metal connecting piece is provided with the inner chamber, porcelain insulator's tip is worn to locate in the inner chamber, be provided with the adhesive layer between porcelain insulator lateral wall and the metal connecting piece and bond together through the adhesive layer, leave the space between porcelain insulator's terminal surface and the interior diapire of metal connecting piece, the space intussuseption is filled with insulating rubber.
Furthermore, the end part of the porcelain insulator is conical and the cone shape expands outwards.
Furthermore, a plurality of umbrella skirts are arranged on the porcelain insulator, each umbrella skirt comprises a plurality of large umbrella skirts and a plurality of small umbrella skirts, and the large umbrella skirts and the small umbrella skirts are arranged at intervals.
Furthermore, the width difference between the large umbrella skirt and the small umbrella skirt is 20-40 mm.
Furthermore, the umbrella shapes of the large umbrella skirt and the small umbrella skirt are both smooth structures without edges.
Further, the porcelain insulator is made of aluminum porcelain.
Further, the adhesive layer is made of cement.
Further, an anti-pollution flashover coating layer is arranged on the side wall of the porcelain insulator.
Furthermore, the anti-pollution flashover coating layer is formed by coating RTV coating.
Furthermore, a hydrophobic layer is arranged on the outer side of the anti-pollution flashover coating layer.
It is right by the aforesaid the utility model discloses a description can know, compares with prior art, the utility model discloses a long rod-shaped porcelain insulator has filled insulating rubber in the space between porcelain insulator and metal connecting piece, and insulating rubber has certain elasticity, and when porcelain insulator received external force impact, insulating rubber can cushion most external force, avoids porcelain insulator brittle failure, and when porcelain insulator received great external force impact fracture, the insulating rubber stick of porcelain insulator cavity intracavity can not fracture to continue to support porcelain insulator, and the insulating rubber stick can provide certain buffering elasticity and prevent that porcelain insulator is further cracked, the utility model discloses simple structure, reasonable in design, the practicality is higher.
Drawings
Fig. 1 is a schematic cross-sectional view of a long rod-shaped porcelain insulator according to a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a long rod-shaped porcelain insulator according to a second embodiment of the present invention.
Reference numerals: 1. a porcelain insulator; 2. a metal connecting member; 3. an insulating rubber rod; 4. an adhesive layer; 5. an insulating rubber; 6. an umbrella skirt; 61. a large umbrella skirt; 62. a small umbrella skirt; 7. an anti-pollution flashover coating layer; 8. a hydrophobic layer.
Detailed Description
The technical solution 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1, a long rod-shaped porcelain insulator, including porcelain insulator 1, 1 both ends of porcelain insulator are connected with metal connecting piece 2, porcelain insulator 1 is provided with well cavity, well intracavity is provided with insulating rubber stick 3, metal connecting piece 2 is provided with the inner chamber, the tip of porcelain insulator 1 is worn to locate in the inner chamber, be provided with adhesive layer 4 between porcelain insulator 1 lateral wall and the metal connecting piece 2 and bond together through adhesive layer 4, leave the space between the terminal surface of porcelain insulator 1 and the 2 inner bottom walls of metal connecting piece, the space intussuseption is filled with insulating rubber 5.
The end part of the porcelain insulator 1 is conical and the cone extends outwards, a plurality of umbrella skirts 6 are arranged on the porcelain insulator 1, each umbrella skirt 6 comprises a plurality of large umbrella skirts 61 and a plurality of small umbrella skirts 62, the large umbrella skirts 61 and the small umbrella skirts 62 are arranged at intervals, the width difference between the large umbrella skirts 61 and the small umbrella skirts 62 is 20-40mm, and the large umbrella skirts 61 and the small umbrella skirts 62 adopt the structure of the interval arrangement to prolong the bridging distance, so that the creepage distance of the porcelain insulator is increased, and the electric gap of the porcelain insulator is improved; the umbrella shapes of the large umbrella skirt 61 and the small umbrella skirt 62 are both smooth and arriss structures, and the adoption of the smooth and arriss structures is favorable for wind and rain cleaning, reduces the dust deposition speed, and is convenient for manual washing and cleaning.
The porcelain insulator 1 is made of aluminum porcelain, and the porcelain insulator 1 made of the aluminum porcelain has high strength; the adhesive layer 4 is made of cement, the side wall of the porcelain insulator 1 is provided with an anti-pollution flashover coating layer 7, the anti-pollution flashover coating layer 7 is formed by coating RTV coating, the anti-pollution flashover coating layer 7 formed by coating the RTV coating has good anti-pollution flashover capacity, and the problem of pollution flashover of the porcelain insulator is solved.
The utility model discloses a long rod-shaped porcelain insulator has filled insulating rubber 5 in the space between porcelain insulator 1 and metal connecting piece 2, and insulating rubber 5 has certain elasticity, and when porcelain insulator received external force impact, insulating rubber 5 can cushion most external force, avoids porcelain insulator 1 brittle failure, and when porcelain insulator 1 received great external force impact fracture, insulating rubber stick 3 in the 1 cavity intracavity of porcelain insulator can not fracture to continue to support porcelain insulator 1, and insulating rubber stick 3 can provide certain buffering elasticity and prevent that porcelain insulator 1 from further cracked, the utility model discloses simple structure, reasonable in design, the practicality is higher.
The second embodiment is as follows:
referring to fig. 2, the present embodiment is different from the first embodiment in that: the outer side of the anti-pollution flashover coating layer 7 is provided with the hydrophobic layer 8, and the hydrophobic layer 8 is arranged to prevent the surface of the porcelain insulator from being too wet and not easy to accumulate dust, so that the anti-pollution flashover capacity is improved.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (10)
1. The utility model provides a long rod-shaped porcelain insulator which characterized in that: the ceramic insulator is characterized by comprising a ceramic insulator, wherein metal connecting pieces are connected to two ends of the ceramic insulator, a hollow cavity is formed in the ceramic insulator, an insulating rubber rod is arranged in the hollow cavity, an inner cavity is formed in each metal connecting piece, the end portion of the ceramic insulator is arranged in the inner cavity in a penetrating mode, an adhesive layer is arranged between the side wall of the ceramic insulator and each metal connecting piece and is bonded together through the adhesive layer, a gap is reserved between the end face of the ceramic insulator and the inner bottom wall of each metal connecting piece, and insulating rubber is filled in the gap.
2. The long rod-shaped porcelain insulator according to claim 1, wherein: the end part of the porcelain insulator is conical and the cone is outwards expanded.
3. The long rod-shaped porcelain insulator according to claim 1, wherein: the porcelain insulator is provided with a plurality of umbrella skirts, each umbrella skirt comprises a plurality of large umbrella skirts and a plurality of small umbrella skirts, and the large umbrella skirts and the small umbrella skirts are arranged at intervals.
4. The long rod-shaped porcelain insulator according to claim 3, wherein: the width difference between the large umbrella skirt and the small umbrella skirt is 20-40 mm.
5. The long rod-shaped porcelain insulator according to claim 3, wherein: the umbrella shapes of the large umbrella skirt and the small umbrella skirt are both smooth structures without edges.
6. The long rod-shaped porcelain insulator according to claim 1, wherein: the porcelain insulator is composed of aluminum porcelain.
7. The long rod-shaped porcelain insulator according to claim 1, wherein: the adhesive layer is made of cement.
8. The long rod-shaped porcelain insulator according to claim 1, wherein: and an anti-pollution flashover coating layer is arranged on the side wall of the porcelain insulator.
9. The long rod-shaped porcelain insulator according to claim 8, wherein: the anti-pollution flashover coating layer is formed by coating RTV coating.
10. The long rod-shaped porcelain insulator according to claim 8, wherein: and a hydrophobic layer is arranged on the outer side of the anti-pollution flashover coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921375022.0U CN210200421U (en) | 2019-08-23 | 2019-08-23 | Long rod-shaped porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921375022.0U CN210200421U (en) | 2019-08-23 | 2019-08-23 | Long rod-shaped porcelain insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210200421U true CN210200421U (en) | 2020-03-27 |
Family
ID=69865146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921375022.0U Active CN210200421U (en) | 2019-08-23 | 2019-08-23 | Long rod-shaped porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210200421U (en) |
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2019
- 2019-08-23 CN CN201921375022.0U patent/CN210200421U/en active Active
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