CN111952021A - Ceramic insulator convenient to disassemble during climbing maintenance - Google Patents
Ceramic insulator convenient to disassemble during climbing maintenance Download PDFInfo
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- CN111952021A CN111952021A CN202010925633.9A CN202010925633A CN111952021A CN 111952021 A CN111952021 A CN 111952021A CN 202010925633 A CN202010925633 A CN 202010925633A CN 111952021 A CN111952021 A CN 111952021A
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- limiting
- insulator
- hole
- connecting pipe
- connecting rod
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
- H01B17/40—Cementless fittings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
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- Power Engineering (AREA)
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Abstract
The invention discloses a ceramic insulator convenient to disassemble during climbing maintenance, which comprises a connecting hardware fitting and an insulator arranged on the connecting hardware fitting, wherein the connecting hardware fitting is formed by combining a connecting pipe, a connecting rod and a bottom plate, the bottom plate and the lower end of the connecting pipe are integrally formed, a limiting lug is integrally formed on the bottom plate, the connecting rod is movably arranged in a pipe cavity of the connecting pipe, a first pin shaft hole and a second pin shaft hole are respectively formed in a rod body of the connecting pipe and a rod body of the connecting rod, and the hole body intervals of the first pin shaft hole and the second pin shaft hole are matched; through separately setting up link fitting and insulator to set the link fitting to by connecting pipe, connecting rod and bottom plate, and set to adjustable structure between connecting pipe and the connecting rod, thereby let the staff can adjust its length according to the actual demand, and change the use quantity of insulator according to the demand, thereby realize changing the creepage distance of its structure, thereby improve its flexibility of in-service use.
Description
Technical Field
The invention relates to the technical field of ceramic insulators, in particular to a ceramic insulator which is convenient to disassemble during climbing maintenance.
Background
A device capable of withstanding the action of voltage and mechanical stress, mounted between conductors of different electrical potentials or between a conductor and a grounded member. Insulators are various in types and shapes. Although the structures and the appearances of different types of insulators are greatly different, the insulators are composed of an insulating part and a connecting hardware fitting; the insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not lose efficacy because of the various electromechanical stresses that environment and electrical load condition change lead to, otherwise the insulator just can not produce great effect, will harm the use and the running life of whole circuit, but traditional insulator's insulating part and link fitting all adopt integrative casting shaping, and it not only can't increase or reduce the creepage distance of insulator according to the circuit transformation in the later stage to it is lower to lead to traditional ceramic insulator practicality.
Disclosure of Invention
The invention aims to provide a ceramic insulator which is convenient to disassemble during climbing maintenance, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a ceramic insulator convenient to disassemble during climbing maintenance comprises a connecting hardware fitting and an insulator mounted on the connecting hardware fitting, wherein the connecting hardware fitting is formed by combining a connecting pipe, a connecting rod and a bottom plate, the bottom plate and the lower end of the connecting pipe are integrally formed, a limiting lug is integrally formed on the bottom plate, the connecting rod is movably arranged in a pipe cavity of the connecting pipe, a first pin shaft hole and a second pin shaft hole are respectively formed in a rod body of the connecting pipe and a rod body of the connecting rod, the hole body intervals of the first pin shaft hole and the second pin shaft hole are identical, the connecting pipe and the connecting rod are connected through a pin shaft, an external thread structure is formed in the upper end of the rod body of the connecting rod, a sleeve is sleeved on the rod body of the connecting rod, the connecting pipe and the sleeve are movably sleeved with insulators, the insulators are ceramic insulators and are arranged on the ceramic insulators, the insulators are arranged in, and the upper end of the connecting rod is fixedly arranged in the mounting hole on the electric cross arm through a fixing nut.
Preferably, the number of the pins for connecting the connecting pipes and the connecting rods is not less than two.
Preferably, the inner diameter of the tube body of the sleeve is matched with the diameter of the connecting rod, and the outer diameter of the sleeve is equal to the outer diameter of the tube body of the connecting tube.
Preferably, be provided with the trepanning on the insulator, the diameter of trepanning is identical with the external diameter of connecting pipe, and it establishes on the connecting pipe for the cover, and the lower surface of insulator has seted up the spacing groove, and its upper surface is provided with the stopper, and it is integrated into one piece, and spacing groove, stopper are identical with spacing lug size on the bottom plate, and its cross-section is regular hexagon, and the lower surface of locating plate has seted up spacing notch, and its notch size is identical with the size of stopper, and through notch and lug structure card and be connected between its adjacent insulator.
Preferably, a limiting shaft is fixedly welded on the plate body of the positioning plate, a limiting hole is formed in the electric cross arm, the size and the position of the limiting hole are matched with those of the limiting shaft, and the limiting shaft is embedded in the limiting hole.
Preferably, the position department that lies in the mounting hole on the electric power cross arm has seted up the activity groove, and the notch cross-section in its activity groove is regular hexagon, and the activity groove lean on the upper end both sides edge and has seted up the otic placode groove, and movable mounting has the movable block in the notch in activity groove, the movable block size is identical with the size in activity groove, and its central point puts and has seted up the through-hole, and its both ends integrated into one piece has the otic placode, a set of has been seted up to the otic placode symmetries altogether, and has seted up the screw hole on its plate body, and the notch bottom surface in activity groove has seted up the screw mounting hole, and the position of its screw mounting hole is corresponding with the position in screw mounting hole, and the movable block is fixed.
Preferably, a first limit bump is arranged on the upper surface of the movable block, the first limit bump is a bump structure with a right-angled triangle-shaped cross section, a circle of the first limit bump is arranged on the upper surface of the movable block at equal intervals, and the inclined plane of the first limit bump is arranged towards the counterclockwise direction.
Preferably, the lower surface of the fixing nut is provided with a second limiting bump, the structure of the second limiting bump is the same as that of the first limiting bump, the inclined planes of the second limiting bump and the first limiting bump are oppositely arranged, and the arrangement range of the second limiting bump is located in the arrangement range of the movable groove on the electric cross arm.
Compared with the prior art, the invention has the beneficial effects that:
1. the connecting hardware fitting and the insulators are separately arranged, the connecting hardware fitting is arranged to be composed of the connecting pipe, the connecting rod and the bottom plate, and the connecting pipe and the connecting rod are arranged to be of an adjustable structure, so that a worker can adjust the length of the connecting hardware fitting according to actual requirements and change the using number of the insulators according to requirements, and the creepage distance of the structure of the connecting hardware fitting is changed, so that the flexibility of the actual use of the connecting hardware fitting is improved;
2. the lower surface of the insulator is provided with the limiting groove, and the upper surface of the limiting groove is provided with the limiting block, so that the integral stability between the structures of the insulator is improved through mutual clamping between the limiting groove and the limiting block;
3. the movable groove is formed in the electric cross arm, the movable block is arranged in the groove opening of the electric cross arm, the first limiting convex block is arranged on the upper surface of the movable block, the second limiting convex block is arranged on the lower surface of the fixing nut used for fixing the electric cross arm, and therefore the installation stability of the electric cross arm is improved through the clamping and the effect between the first limiting convex block and the second limiting convex block.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is an enlarged view of the structure at C in FIG. 4;
fig. 6 is a cross-sectional view of the insulator;
FIG. 7 is a schematic view of a link fitting structure;
FIG. 8 is a schematic view of a movable block structure;
fig. 9 is a schematic structural view of the fixing nut.
In the figure: 1 link fitting, 2 insulators, 3 electric power cross arms, 4 fixation nuts, 5 connecting pipes, 6 connecting rods, 7 bottom plates, 8 limit lugs, 9 first pin shaft holes, 10 second pin shaft holes, 11 external thread structures, 12 trepanning holes, 13 limit grooves, 14 limit blocks, 15 pin shafts, 16 sleeves, 17 locating plates, 18 locating bolts, 19 limit holes, 20 movable blocks, 21 lug plates, 22 screw holes, 23 first limit lugs, 24 locating screws and 25 second limit lugs.
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.
Referring to fig. 1-9, the present invention provides a technical solution: a ceramic insulator convenient to disassemble during climbing maintenance comprises a connecting hardware fitting 1 and an insulator 2 installed on the connecting hardware fitting 1, wherein the connecting hardware fitting 1 is formed by combining a connecting pipe 5, a connecting rod 6 and a bottom plate 7, the bottom plate 7 and the lower end of the connecting pipe 5 are integrally formed, a limiting lug 8 is integrally formed on the bottom plate 7, the connecting rod 6 is movably arranged in a pipe cavity of the connecting pipe 5, a first pin shaft hole 9 and a second pin shaft hole 10 are respectively formed in a rod body of the connecting pipe 5 and the connecting rod 6, the hole body spacing of the first pin shaft hole 9 and the second pin shaft hole 10 is matched, the connecting pipe 5 and the connecting rod 6 are connected through a pin shaft 15, an external thread structure 11 is formed at the upper end of the rod body of the connecting rod 6, a sleeve 16 is sleeved on the rod body of the connecting rod 6, the insulator 2 is movably sleeved on the connecting pipe 5 and the sleeve, and it is provided with a plurality ofly altogether, and the insulator 2 of the top is fixed through locating plate 17 and positioning bolt 18, and the upper end of connecting rod 6 is through fixation nut 4 fixed mounting in the mounting hole on electric power cross arm 3, through separately setting up link fitting 1 and insulator 2, and set link fitting 1 to by connecting pipe 5, connecting rod 6 and bottom plate 7, and set the adjustable structure to between connecting pipe 5 and the connecting rod 6, thereby let the staff can adjust its length according to the actual demand, and change the use quantity of insulator 2 according to the demand, thereby realize changing the creepage distance of its structure, thereby improve the flexibility of its actual use.
Furthermore, the number of the pin shafts 15 used for connecting the connecting pipe 5 and the connecting rod 6 is not less than two, so that the integral strength of the connecting pipe is ensured;
further, the inner diameter of the tube body of the sleeve 16 is matched with the diameter of the connecting rod 6, and the outer diameter of the sleeve 16 is equal to the outer diameter of the tube body of the connecting tube 5.
Furthermore, the insulator 2 is provided with a trepan boring 12, the diameter of the trepan boring 12 is matched with the outer diameter of the connecting pipe 5, and is sleeved on the connecting pipe 5, and the lower surface of the insulator 2 is provided with a limit groove 13, the upper surface of the base plate is provided with a limiting block 14 which is integrally formed, the size of the limiting groove 13 and the size of the limiting block 14 are matched with the size of the limiting lug on the base plate 7, the cross section of the positioning plate 17 is regular hexagon, the lower surface of the positioning plate 17 is provided with a limiting notch, the size of the notch is matched with that of the limiting block 14, the adjacent insulators 2 are clamped and connected with each other through the notch and the bump structure, by arranging the limiting groove 13 on the lower surface of the insulator and arranging the limiting block 14 on the upper surface of the limiting groove 13, so that the overall stability between the structures is improved by the mutual engagement between the stopper groove 13 and the stopper 14.
Furthermore, a limiting shaft is fixedly welded on the plate body of the positioning plate 17, a limiting hole 19 is formed in the electric cross arm 3, the size and the position of the limiting hole 19 are matched with those of the limiting shaft, and the limiting shaft is embedded in the limiting hole 19.
Further, the position department that lies in the mounting hole on electric power cross arm 3 has seted up the movable groove, the notch cross-section in its movable groove is regular hexagon, and the movable groove has seted up the otic placode groove on leaning on the upper end both sides limit, and movable mounting has movable block 20 in the notch in movable groove, movable block 20 size is identical with the size in movable groove, and its central point puts and has seted up the through-hole, and its both ends integrated into one piece has otic placode 21, otic placode 21 symmetries has seted up a set ofly, and seted up screw hole 22 on its plate body, and the notch bottom surface in movable groove has seted up the screw mounting hole, the position of its screw mounting hole is corresponding with the position of screw hole 22, and movable block 20 is for fixing in the screw mounting hole through set screw 24.
Further, the upper surface of the movable block 20 is provided with a first limit bump 23, the first limit bump 23 is a bump structure with a right triangle cross section, and a circle of bumps is arranged on the upper surface of the movable block 20 at equal intervals, and the inclined plane of the bump faces in the counterclockwise direction.
Furthermore, the lower surface of the fixing nut 4 is provided with a second limit bump 25, the structure of the second limit bump 25 is the same as that of the first limit bump 23, the inclined surfaces of the second limit bump and the first limit bump are oppositely arranged, the arrangement range of the second limit bump 25 is located in the arrangement range of the movable groove on the electric cross arm 3, the movable groove is arranged on the electric cross arm 3, the movable block 20 is arranged in the notch of the electric cross arm, the first limit bump 23 is arranged on the upper surface of the movable block, and the second limit bump 25 is arranged on the lower surface of the fixing nut 4 for fixing the electric cross arm, so that the stability of installation of the fixing nut is improved through the clamping and the effect between the first limit bump 23 and the second limit bump 25.
The working principle is as follows: during practical use, an operator firstly takes off the pin shaft 15 for positioning the connecting pipe 5 and the connecting shaft 6 on the connecting fitting 1, then adjusts the connecting pipe 5 and the connecting shaft 6 to proper lengths, then fixes the connecting pipe 5 and the connecting shaft 6 through the pin shaft 15, then the operator sequentially sleeves the insulators 2 on the connecting fitting, ensures that the insulators 2 on the first layer are clamped on the limiting lug 8 on the bottom plate 7 through the limiting grooves 13 on the insulators, then ensures that the insulators on the upper end are clamped on the limiting blocks 14 on the insulators on the lower layer through the limiting grooves 13 on the insulators, then the operator positions and fixes the insulators 2 on the insulators through the positioning plates 17 and the positioning bolts 18 on the insulators, sets the movable blocks 20 in the movable grooves on the electric cross arm 3, positions the movable blocks 20 through the positioning screws 24, and then installs the connecting fitting 1 on the electric cross arm 3 through the connecting rod 6 on the electric cross arm In to fix through fixation nut 4, thereby improve the stability of its installation through card and effect between first spacing lug 23 and the spacing lug 25 of second, and when it needs to dismantle, only need to twist down set screw 24, thereby make separation between first spacing lug 23 and the spacing lug 25 of second, then twist down fixation nut 4 and can accomplish the dismantlement.
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 (8)
1. The utility model provides a ceramic insulator who conveniently disassembles during climbing maintenance, includes link fitting (1) and installs insulator (2) on link fitting (1), its characterized in that: the connecting fitting (1) is formed by combining a connecting pipe (5), a connecting rod (6) and a bottom plate (7), the bottom plate (7) and the lower end of the connecting pipe (5) are integrally formed, a limiting lug (8) is integrally formed on the bottom plate (7), the connecting rod (6) is movably arranged in a pipe cavity of the connecting pipe (5), a first pin shaft hole (9) and a second pin shaft hole (10) are respectively formed in a rod body of the connecting pipe (5) and the connecting rod (6), the hole body intervals of the first pin shaft hole (9) and the second pin shaft hole (10) are matched, the connecting pipe (5) and the connecting rod (6) are connected through a pin shaft (15), an external thread structure (11) is formed in the upper end of the rod body of the connecting rod (6), a sleeve pipe (16) is sleeved on the rod body of the connecting rod (6), and an insulator (2) is movably sleeved on the connecting pipe (5) and the sleeve pipe (16, the insulator (2) is a ceramic insulator and is provided with a plurality of insulators, the insulator (2) at the uppermost end is fixed with a positioning bolt (18) through a positioning plate (17), and the upper end of the connecting rod (6) is fixedly installed in an installation hole in the electric cross arm (3) through a fixing nut (4).
2. The ceramic insulator convenient to disassemble during climbing maintenance according to claim 1, wherein: the number of the pin shafts (15) used for connecting the connecting pipes (5) and the connecting rods (6) is not less than two.
3. The ceramic insulator convenient to disassemble during climbing maintenance according to claim 1, wherein: the inner diameter of the tube body of the sleeve (16) is matched with the diameter of the connecting rod (6), and the outer diameter of the sleeve (16) is equal to the outer diameter of the tube body of the connecting tube (5).
4. The ceramic insulator convenient to disassemble during climbing maintenance according to claim 1, wherein: be provided with trepanning (12) on insulator (2), the diameter of trepanning (12) is identical with the external diameter of connecting pipe (5), and it establishes on connecting pipe (5) for the cover, and the lower surface of insulator (2) has seted up spacing groove (13), and its upper surface is provided with stopper (14), and it is integrated into one piece, and spacing groove (13), stopper (14) are identical with the spacing lug size on bottom plate (7), and its cross-section is regular hexagon, and the lower surface of locating plate (17) has seted up spacing notch, and its notch size is identical with the size of stopper (14), and through notch and lug structure card and be connected between its adjacent insulator (2).
5. The ceramic insulator convenient to disassemble during climbing maintenance according to claim 4, wherein: the electric power cross arm is characterized in that a limiting shaft is fixedly welded on a plate body of the positioning plate (17), a limiting hole (19) is formed in the electric power cross arm (3), the size and the position of the limiting hole (19) are matched with those of the limiting shaft, and the limiting shaft is embedded in the limiting hole (19).
6. The ceramic insulator convenient to disassemble during climbing maintenance according to claim 1, wherein: the utility model discloses an electric power cross arm, including electric power cross arm (3), the position department that lies in the mounting hole has seted up the activity groove on electric power cross arm (3), and the notch cross-section in its activity groove is regular hexagon, and the activity groove lean on the upper end both sides edge and has seted up the otic placode groove, and movable mounting has movable block (20) in the notch in activity groove, movable block (20) size is identical with the size in activity groove, and its central point puts and has seted up the through-hole, and its both ends integrated into one piece has otic placode (21), otic placode (21) symmetries altogether has seted up a set ofly, and has seted up screw hole (22) on its plate body, and the screw mounting hole has been seted up to the notch bottom surface in activity groove, and the position of its screw mounting hole is corresponding with the position of screw hole (22.
7. The ceramic insulator convenient to disassemble during climbing maintenance according to claim 6, wherein: first spacing lug (23) have been seted up to the upper surface of movable block (20), first spacing lug (23) are right triangle's lug structure for the cross-section, and its upper surface at movable block (20) equidistant is provided with the round, and the inclined plane of its lug sets up towards anticlockwise.
8. The ceramic insulator convenient to disassemble during climbing maintenance according to claim 1, wherein: the lower surface of the fixing nut (4) is provided with a second limiting lug (25), the structure of the second limiting lug (25) is the same as that of the first limiting lug (23), the inclined planes of the second limiting lug and the first limiting lug are oppositely arranged, and the arrangement range of the second limiting lug (25) is located in the arrangement range of the movable groove on the electric cross arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925633.9A CN111952021B (en) | 2020-09-07 | 2020-09-07 | Ceramic insulator convenient to disassemble during climbing maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925633.9A CN111952021B (en) | 2020-09-07 | 2020-09-07 | Ceramic insulator convenient to disassemble during climbing maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111952021A true CN111952021A (en) | 2020-11-17 |
| CN111952021B CN111952021B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010925633.9A Active CN111952021B (en) | 2020-09-07 | 2020-09-07 | Ceramic insulator convenient to disassemble during climbing maintenance |
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| Country | Link |
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| CN (1) | CN111952021B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5837943A (en) * | 1992-04-09 | 1998-11-17 | Kellett; E. Glenn | Electrical power line insulator with universal end clamp |
| CN207425494U (en) * | 2017-10-23 | 2018-05-29 | 臧云霞 | A kind of electric insulator being easily installed |
| CN108281241A (en) * | 2018-01-30 | 2018-07-13 | 浙江金塔电力线路器材有限公司 | A kind of telescopic suspension insulator |
| CN209804352U (en) * | 2019-05-17 | 2019-12-17 | 国家电网有限公司 | high-strength suspension porcelain insulator |
| CN209859706U (en) * | 2019-06-23 | 2019-12-27 | 刘刚 | Suspension insulator string convenient to disassemble and assemble for overhead line |
| CN209947558U (en) * | 2019-07-29 | 2020-01-14 | 福建和盛崇业电瓷有限公司 | Column insulator for high-voltage line |
| CN210984409U (en) * | 2020-01-14 | 2020-07-10 | 江西双宇电瓷电器有限公司 | Large insulator |
| CN211016648U (en) * | 2020-01-14 | 2020-07-14 | 江西双宇电瓷电器有限公司 | Assembled ceramic insulator |
-
2020
- 2020-09-07 CN CN202010925633.9A patent/CN111952021B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5837943A (en) * | 1992-04-09 | 1998-11-17 | Kellett; E. Glenn | Electrical power line insulator with universal end clamp |
| CN207425494U (en) * | 2017-10-23 | 2018-05-29 | 臧云霞 | A kind of electric insulator being easily installed |
| CN108281241A (en) * | 2018-01-30 | 2018-07-13 | 浙江金塔电力线路器材有限公司 | A kind of telescopic suspension insulator |
| CN209804352U (en) * | 2019-05-17 | 2019-12-17 | 国家电网有限公司 | high-strength suspension porcelain insulator |
| CN209859706U (en) * | 2019-06-23 | 2019-12-27 | 刘刚 | Suspension insulator string convenient to disassemble and assemble for overhead line |
| CN209947558U (en) * | 2019-07-29 | 2020-01-14 | 福建和盛崇业电瓷有限公司 | Column insulator for high-voltage line |
| CN210984409U (en) * | 2020-01-14 | 2020-07-10 | 江西双宇电瓷电器有限公司 | Large insulator |
| CN211016648U (en) * | 2020-01-14 | 2020-07-14 | 江西双宇电瓷电器有限公司 | Assembled ceramic insulator |
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| Publication number | Publication date |
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| CN111952021B (en) | 2022-09-13 |
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