CN216119726U - Line column type porcelain insulator - Google Patents
Line column type porcelain insulator Download PDFInfo
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- CN216119726U CN216119726U CN202122543408.1U CN202122543408U CN216119726U CN 216119726 U CN216119726 U CN 216119726U CN 202122543408 U CN202122543408 U CN 202122543408U CN 216119726 U CN216119726 U CN 216119726U
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Abstract
The utility model relates to the technical field of insulators, in particular to a line column type porcelain insulator which comprises a porcelain piece and a steel cap, wherein a wire groove is formed in the upper end of the porcelain piece, a plurality of umbrella skirts are arranged in the middle of the porcelain piece, the steel cap is sleeved at the lower end of the porcelain piece, a stud is connected to the lower end of the steel cap, an adhesive is poured between the inner wall of the steel cap and the outer wall of the lower end of the porcelain piece, a plurality of first protrusion groups are arranged on the inner side wall of the steel cap, each first protrusion group comprises a plurality of vertically distributed first protrusions, a plurality of second protrusion groups are arranged on the outer wall of the lower end of the porcelain piece, each second protrusion group comprises a plurality of vertically distributed second protrusions, and the first protrusion groups and the second protrusion groups are distributed in a staggered mode. According to the utility model, the first bulges and the second bulges are embedded in the adhesive in a staggered manner, so that the contact area between the steel cap and the adhesive as well as between the ceramic piece and the adhesive is increased, the connection stability is improved, and the steel cap can be stably connected with the ceramic piece even if the contact surface between the adhesive and the steel cap or the ceramic piece is loosened.
Description
Technical Field
The utility model relates to the technical field of insulators, in particular to a line column type porcelain insulator.
Background
The column type porcelain insulator is an insulator of a column type made of electrical ceramics and used for fixing a distribution line. At present, the column type porcelain insulator comprises a porcelain piece, one end of the porcelain piece is provided with a groove matched with a steel-cored aluminum conductor, the other end of the porcelain piece is provided with a steel cap through a pouring adhesive, and the steel cap is connected with a bolt. The column type porcelain insulator is usually with steel-cored aluminum conductor embedding to this recess when fixed distribution lines to use the aluminium wire as the ligature, with steel-cored aluminum conductor ligature on column type porcelain insulator, and the other end that does not have the steel-cored wire then passes the fixed orifices that sets up on the high voltage transmission tower with the bolt, screws the nut on the bolt, with fix column type porcelain insulator on the high voltage transmission tower. Because the insulator is usually arranged outside and is influenced by natural environment, the binding wire can be gradually loosened along with the increase of the use time, and when the binding wire is completely loosened, the steel core aluminum conductor falls off to cause potential safety hazards; and under the action of micro-vibration, the situation that the bonding surface of the adhesive between the steel cap and the porcelain piece is loosened can also occur, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a line column type porcelain insulator.
The utility model adopts the following technical scheme: the utility model provides a line column type porcelain insulator, includes porcelain spare and steel cap, the upper end of porcelain spare is equipped with the wire casing, the middle part of porcelain spare is equipped with a plurality of full skirts, the lower pot head of porcelain spare is equipped with the steel cap, the lower extreme of steel cap is connected with the double-screw bolt, it has the adhesive to pour into between the inner wall of steel cap and the outer wall of porcelain spare lower extreme, be equipped with a plurality of first protruding groups on the inside wall of steel cap, first protruding group is including a plurality of first archs of vertical distribution, the outer wall of porcelain spare lower extreme is equipped with the protruding group of a plurality of seconds, the protruding group of second is protruding including a plurality of seconds of vertical distribution, first protruding group and the protruding group's of second dislocation distribution.
Preferably, the length of the first protrusion and the second protrusion is less than the distance from the inner side wall of the steel cap to the outer wall of the lower end of the porcelain piece and is more than one half of the distance.
Preferably, a plurality of adjusting holes which correspond to each other and a plurality of positioning pins which run through the adjusting holes are arranged on two side walls of the wire casing, positioning nuts which are in threaded connection with the positioning pins are arranged at two ends of the positioning pins, and the positioning nuts are abutted to the outer side wall of the wire casing.
Preferably, the adjusting holes are vertically arranged strip-shaped holes, and two ends of the adjusting holes are arc-shaped structures matched with the positioning pins.
Preferably, the side wall of the lower end of the porcelain piece is provided with a convex ring, the lower end of the convex ring is attached to the adhesive, and a certain gap is formed between the outer side wall of the convex ring and the inner wall of the steel cap in the horizontal direction.
Preferably, a groove is formed in the lower end face of the ceramic piece, the upper end of the stud penetrates through the steel cap, a connecting plate is arranged at the upper end of the stud, the connecting plate is embedded in the groove, and an adhesive is poured between the lower end face of the ceramic piece and the inner bottom face of the steel cap.
Preferably, the cement is cement.
The utility model has at least one of the following beneficial effects:
according to the utility model, the first bulges and the second bulges are embedded in the adhesive in a staggered manner, so that the contact area between the steel cap and the adhesive as well as between the porcelain piece and the adhesive is increased, the connection stability is improved, and the steel cap can be stably connected with the porcelain piece even if the contact surface between the adhesive and the steel cap or between the adhesive and the porcelain piece is loosened, so that the insulator can work safely and stably.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of detail A of FIG. 1;
FIG. 3 is a schematic side view of the preferred embodiment of the present invention;
FIG. 4 is a schematic structural view of a stud in a preferred embodiment of the utility model;
fig. 5 is a schematic view of the structure of the porcelain piece in the upward direction in the preferred embodiment of the present invention.
Description of reference numerals:
10 porcelain pieces, 11 umbrella skirts, 12 line grooves, 13 second protrusion groups, 131 second protrusions, 14 adjusting holes, 15 positioning pins, 16 positioning nuts, 17 convex rings, 18 grooves, 20 steel caps, 21 studs, 211 connecting plates, 22 glue, 23 first protrusion groups and 231 first protrusions.
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.
In the description of the present invention, it is to be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present invention and simplifying the description, and do not refer to or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Referring to fig. 1 to 5, in a preferred embodiment of the present invention, a line post type porcelain insulator includes a porcelain 10 and a steel cap 20, a wire groove 12 is formed at an upper end of the porcelain 10, a plurality of umbrella skirts 11 are disposed at a middle portion of the porcelain 110, the steel cap 20 is sleeved at a lower end of the porcelain 10, a stud 21 is connected to a lower end of the steel cap 20, an adhesive 22 is poured between an inner wall of the steel cap 20 and an outer wall of the lower end of the porcelain 10, a plurality of first protrusion groups 23 are disposed on an inner side wall of the steel cap 20, the first protrusion groups 23 include a plurality of vertically distributed first protrusions 231, a plurality of second protrusion groups 13 are disposed on an outer wall of the lower end of the porcelain 10, the second protrusion groups 13 include a plurality of vertically distributed second protrusions 131, and the first protrusion groups 23 and the second protrusion groups 13 are distributed in a staggered manner. In the utility model, the first protrusions 231 and the second protrusions 131 are embedded in the adhesive 22 in a staggered manner, so that the contact area between the steel cap 20 and the ceramic element 10 and the adhesive 22 is increased, the connection stability is improved, and even if the contact surface between the adhesive 22 and the steel cap 20 or the ceramic element 10 is loosened, the steel cap 20 can be stably connected with the ceramic element 10, so that the insulator can safely and stably work.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
the length of the first protrusion 231 and the second protrusion 131 is less than the distance from the inner side wall of the steel cap 20 to the outer wall of the lower end of the porcelain 10, and is more than half of the distance, so that the connection between the steel cap 20 and the porcelain 10 is more stable; in this embodiment, the single-row first projection group 23 includes three first projections 231, and the single-row second projection group 13 includes two second projections 131.
A plurality of adjusting holes 14 which correspond to each other and a plurality of positioning pins 15 which run through the adjusting holes 14 are arranged on two side walls of the wire casing 12, positioning nuts 16 which are in threaded connection with the positioning pins 15 are arranged at two ends of each positioning pin 15, the positioning nuts 16 are abutted against the outer side wall of the wire casing 12, when the steel-cored aluminum conductor is placed in the wire casing 12, the positioning pins 15 run through the adjusting holes 14 on the two side walls of the wire casing 12, so that the steel-cored aluminum conductor is positioned in the wire casing 12 at the lower end of each positioning pin 15, then the positioning nuts 16 are screwed, and the positioning pins 15 are fixed, and finally the steel-cored aluminum conductor is fixed in the wire casing 12 without wire binding, and can be stably positioned in the wire casing 12; in this embodiment, three adjusting holes 14 are provided on a single side wall of the wire casing 12, and there are three corresponding positioning pins 15.
The adjusting hole 14 is a vertically arranged strip-shaped hole, the two ends of the adjusting hole are arc-shaped structures matched with the positioning pin 15, and the positioning pin 15 can move up and down in the adjusting hole 14, so that the distance from the middle of the positioning pin 15 to the bottom of the wire slot 12 can be adjusted, that is, the adjusting hole can adapt to steel core aluminum wires with different sizes, and the structures at the two ends of the adjusting hole 14 can enable the positioning pin 15 to be fixed more stably; in this embodiment, the outer diameter of the positioning nut 16 is larger than the width of the adjusting hole 14, and the diameter of the positioning pin 15 is slightly smaller than the width of the adjusting hole 14.
The side wall of the lower end of the porcelain 10 is provided with a convex ring 17, the lower end of the convex ring 17 is attached to the adhesive 22, a certain gap is formed between the outer side wall of the convex ring 17 and the inner wall of the steel cap 20 in the horizontal direction, the structure of the convex ring 17 can prevent the adhesive 22 filled between the porcelain 10 and the steel cap 20 from flowing out, the normal injection of the adhesive 20 is not influenced, the mechanical strength of the lower end of the porcelain 10 can be improved, and the integral strength of the ceramic insulator is higher.
A groove 18 is formed in the lower end face of the porcelain 10, the upper end of the stud 21 penetrates through the steel cap 20, a connecting plate 211 is arranged at the upper end of the stud 21, the connecting plate 211 is embedded in the groove 18, an adhesive 22 is poured between the lower end face of the porcelain 10 and the inner bottom face of the steel cap 20, and the connecting plate 211 embedded in the groove 18 is sealed by the adhesive 22, so that the connection between the stud 21 and the steel cap 20 is more stable; in this embodiment, the connection plate 211 is circular, and in concrete implementation, it may be square, pentagonal, hexagonal, or the like, but is not limited thereto.
The cement 22 is a cement that effectively bonds the porcelain 10 to the steel cap 20.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.
Claims (7)
1. A line column type porcelain insulator comprises a porcelain piece (10) and a steel cap (20), it is characterized in that the upper end of the porcelain piece (10) is provided with a wire groove (12), the middle part of the porcelain piece (10) is provided with a plurality of umbrella skirts (11), the lower end of the porcelain piece (10) is sleeved with a steel cap (20), the lower end of the steel cap (20) is connected with a stud (21), a binding agent (22) is filled between the inner wall of the steel cap (20) and the outer wall of the lower end of the porcelain piece (10), a plurality of first bulge groups (23) are arranged on the inner side wall of the steel cap (20), the first bulge group (23) comprises a plurality of first bulges (231) which are vertically distributed, a plurality of second bulge groups (13) are arranged on the outer wall of the lower end of the porcelain piece (10), the second protrusion group (13) comprises a plurality of second protrusions (131) which are vertically distributed, the first bulge group (23) and the second bulge group (13) are distributed in a staggered mode.
2. A line post porcelain insulator according to claim 1, wherein the length of the first protrusion (231) and the second protrusion (131) is less than the distance from the inner side wall of the steel cap (20) to the outer wall of the lower end of the porcelain piece (10), and is greater than half of the distance.
3. The post type porcelain insulator of claim 1, wherein a plurality of adjusting holes (14) corresponding to each other and a plurality of positioning pins (15) penetrating through the adjusting holes (14) are arranged on two side walls of the wire casing (12), positioning nuts (16) in threaded connection with the positioning pins (15) are arranged at two ends of the positioning pins (15), and the positioning nuts (16) are abutted against the outer side wall of the wire casing (12).
4. The post type porcelain insulator of claim 3, wherein the adjusting hole (14) is a vertically arranged strip-shaped hole, and the two ends of the adjusting hole are arc-shaped structures matched with the positioning pins (15).
5. The post type porcelain insulator of claim 1, wherein the side wall of the lower end of the porcelain piece (10) is provided with a convex ring (17), the lower end of the convex ring (17) is attached with an adhesive (22), and the outer side wall of the convex ring (17) has a certain gap with the inner wall of the steel cap (20) in the horizontal direction.
6. A line column type porcelain insulator according to claim 1, wherein the lower end face of the porcelain piece (10) is provided with a groove (18), the upper end of the stud (21) penetrates through the steel cap (20) and the upper end of the stud is provided with a connecting plate (211), the connecting plate (211) is embedded in the groove (18), and an adhesive (22) is poured between the lower end face of the porcelain piece (10) and the inner bottom face of the steel cap (20).
7. A post insulator according to claim 1, wherein said binder (22) is cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543408.1U CN216119726U (en) | 2021-10-21 | 2021-10-21 | Line column type porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543408.1U CN216119726U (en) | 2021-10-21 | 2021-10-21 | Line column type porcelain insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119726U true CN216119726U (en) | 2022-03-22 |
Family
ID=80694458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122543408.1U Active CN216119726U (en) | 2021-10-21 | 2021-10-21 | Line column type porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119726U (en) |
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2021
- 2021-10-21 CN CN202122543408.1U patent/CN216119726U/en active Active
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