CN202071714U - Maintenance-free section insulator - Google Patents
Maintenance-free section insulator Download PDFInfo
- Publication number
- CN202071714U CN202071714U CN2011201495272U CN201120149527U CN202071714U CN 202071714 U CN202071714 U CN 202071714U CN 2011201495272 U CN2011201495272 U CN 2011201495272U CN 201120149527 U CN201120149527 U CN 201120149527U CN 202071714 U CN202071714 U CN 202071714U
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- China
- Prior art keywords
- slideway
- metal
- long
- short
- sliding way
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- Expired - Lifetime
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Abstract
The utility model discloses a maintenance-free section insulator, which comprises an insulator body and a metal framework. The insulator body comprises three insulators in triangular arrangement and two anchor heads, wherein two ends of each of the three insulators are respectively connected with the two anchor heads. The metal framework comprises a left long metal sliding way, a left short metal sliding way, a right long metal sliding way and a right short metal sliding way, wherein the left long metal sliding way and the right short metal sliding way are opposite and connected with the same anchor head, the right long metal sliding way and the left short metal sliding way are opposite and connected with the other anchor head, and the left long metal sliding way, the left short metal sliding way, the right long metal sliding way and the right short metal sliding way form a plane contacting with a pantograph. Since the pantograph of the section insulator structure cannot contact with the insulator body, pollution of carbon powders of the pantograph to the insulator body is prevented, damage to the insulator body is avoided, further less maintenance even maintenance-free is realized in the aspect of running maintenance of the section insulator, and maintenance cost of equipment is reduced.
Description
Technical field
The utility model relates to a kind of insulator arrangement, and particularly a kind of contact system carries out the section insulator of electric segmentation.
Background technology
Section insulator is a kind of insulator arrangement that contact system adopts when carrying out electric segmentation.Normal circumstances, pantograph is charged slide by, when having a power failure when a certain contact system segmentation et out of order or because of construction, the disconnector of opening the section insulator place is with this part contact system outage, and other parts can normal worker's power supply.As: when two parts contact net system was powered respectively, when the power supply generation problem of a part of contact system can not be powered, the disconnector that then can close made it use a power supply, thereby has improved contact system reliability of operation and alerting ability.
The at present domestic section insulator that the most generally uses is a chute type rhombus section insulator, this chute type rhombus section insulator insulate in use slideway can with the pantograph direct contact, in the process of friction back and forth, carbon dust on the pantograph tends to directly pollute the insulation slideway on the shackle, and then the slideway that causes insulating punctures scaling loss, thereby whole section insulator is damaged, so just need a large amount of expense of cost that the shackle that damages is keeped in repair, make the maintenance cost of equipment increase.
The utility model content
At above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model provides a kind of not fragile, the section insulator of freedom from repairs.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of freedom from repairs type section insulator, it comprises shackle main body and metal frame, described shackle main body comprises three insulators and two anchor heads, described three insulators are triangularly arranged, the two ends of described three insulators are connected with two anchor heads respectively, described metal frame comprises the long slideway of left metal, the short slideway of left side metal, the short slideway of right long slideway of metal and right metal, the long slideway of described left metal is relative with the short slideway of described right metal and be connected with same anchor head, the long slideway of described right metal is relative with the short slideway of described left metal and be connected the long slideway of described left metal with another anchor head, the short slideway of left side metal, the long slideway of right metal constitutes the plane that contacts with pantograph with the short slideway of right metal.
Preferably, the long slideway of described left metal, the short slideway of left metal, the long slideway of right metal, the short slideway of right metal are hook solid.
Preferably, the left and right sides of described shackle main body also respectively is provided with an insulation slideway, the bottom surface of described insulation slideway and the described plane that contacts with pantograph at grade, described insulation slideway is connected with described shackle main body.
Preferably, be separated with the gap of 300mm between long slideway of described right metal and the short slideway of described right metal, be separated with the gap of 300mm between long slideway of described left metal and the short slideway of described left metal.
Preferably, long slideway of described right metal and the long slideway of described left metal are overlapping on described shackle main body longitudinal direction top.
Technique scheme has following beneficial effect: the shackle main body of this freedom from repairs type section insulator is triangularly arranged by three insulators and forms, make the integral structure of section insulator strengthen, increased the intensity of shackle main body, overcome the shortcoming that existing flat section shackle structure easily produces amount of deflection, the long slideway of left metal of this section insulator, the short slideway of left side metal, the long slideway of right metal constitutes the plane that contacts with pantograph with the short slideway of right metal, pantograph will can not contact with the shackle main body with this plane contact like this, prevent that the shackle main body from being polluted by the carbon dust of pantograph, avoid the shackle main body to damage, section insulator operating maintenance aspect realization freedom from repairs is safeguarded less, reduced the maintenance cost of equipment.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the birds-eye view of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.
As shown in Figure 1, 2, this freedom from repairs type section insulator comprises shackle main body and metal frame, the shackle main body comprises that three insulators 1 and 2,3, three insulators 1 of two anchor heads are triangularly arranged, and the two ends of three insulators 1 are connected with two anchor heads 2,3 respectively.Metal frame comprises the long slideway 5 of left metal, the short slideway 7 of left metal, the long slideway 6 of right metal and the short slideway 4 of right metal, it is relative and be connected with same anchor head 2 that left side metal long slideway 5 and right metal are lacked slideway 4, the short slideway of the long slideway 6 of right metal and left metal 7 is relative and be connected with another anchor head 3, and the long slideway 5 of left metal, left metal are lacked slideway 7, the long slideway 6 of right metal, right metal weak point slideway 4 and all be hook solid.
The long slideway 5 of left side metal, the short slideway 7 of left metal, the long slideway 6 of right metal and the short slideway 4 of right metal constitute the plane that contacts with the electricity bow.Be separated with the gap of 300mm between the short slideway 4 of right long slideway 6 of metal and right metal, also be separated with the gap of 300mm between the short slideway 7 of long slideway 5 of left metal and left metal.The long slideway 6 of right metal is overlapping on shackle main body longitudinal direction top with the long slideway 5 of left metal.The left and right sides of shackle main body also respectively is provided with an insulation slideway 8,9, the plane that contacts with pantograph of bottom surface and the long slideway 5 of left metal of insulation slideway 8,9, the short slideway 7 of left metal, the long slideway 6 of right metal and 4 formation of right metal weak point slideway at grade, the slideway 8,9 that insulate is connected with the shackle main body.
The a. g. (extinguishing arc horn gap) that 300mm is arranged between these freedom from repairs type section insulator homonymy two metal runners, carry out extinguishing arc in the time of can making two ends that difference of potential is arranged, prevent the scaling loss of major insulation part, two relative 5,6 of long metal runners of both sides have an overlay region, can guarantee the continuity of powering.
The shackle main body of this freedom from repairs type section insulator is triangularly arranged by three insulators and forms, and makes the integral structure of section insulator strengthen, and has increased the intensity of shackle main body, has overcome the shortcoming that existing flat section shackle structure easily produces amount of deflection.The long slideway of left metal of this section insulator, the short slideway of left metal, the long slideway of right metal and the short slideway of right metal constitute the plane that contacts with pantograph, pantograph will can not contact with the shackle main body with this plane contact like this, prevent that the shackle main body from being polluted by the carbon dust of pantograph, avoid the shackle main body to damage, section insulator operating maintenance aspect realization freedom from repairs is safeguarded less, the maintenance cost of reduction equipment adopts the way of contact of this planar structure can improve pantograph and the contact relation that contacts electrical network simultaneously.
More than a kind of freedom from repairs type section insulator that the utility model embodiment is provided be described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; part in specific embodiments and applications all can change; in sum; this description should not be construed as restriction of the present utility model, and all any changes of being made according to the utility model design philosophy are all within protection domain of the present utility model.
Claims (5)
1. freedom from repairs type section insulator, it comprises shackle main body and metal frame, it is characterized in that: described shackle main body comprises three insulators and two anchor heads, described three insulators are triangularly arranged, the two ends of described three insulators are connected with two anchor heads respectively, described metal frame comprises the long slideway of left metal, the short slideway of left side metal, the short slideway of right long slideway of metal and right metal, the long slideway of described left metal is relative with the short slideway of described right metal and be connected with same anchor head, the long slideway of described right metal is relative with the short slideway of described left metal and be connected the long slideway of described left metal with another anchor head, the short slideway of left side metal, the long slideway of right metal constitutes the plane that contacts with pantograph with the short slideway of right metal.
2. freedom from repairs type section insulator according to claim 1 is characterized in that: the long slideway of described left metal, the short slideway of left metal, the long slideway of right metal, the short slideway of right metal are hook solid.
3. freedom from repairs type section insulator according to claim 1, it is characterized in that: the left and right sides of described shackle main body also respectively is provided with an insulation slideway, the bottom surface of described insulation slideway and the described plane that contacts with pantograph at grade, described insulation slideway is connected with described shackle main body.
4. freedom from repairs type section insulator according to claim 1, it is characterized in that: be separated with the gap of 300mm between long slideway of described right metal and the short slideway of described right metal, be separated with the gap of 300mm between long slideway of described left metal and the short slideway of described left metal.
5. freedom from repairs type section insulator according to claim 1 is characterized in that: long slideway of described right metal and the long slideway of described left metal are overlapping on described shackle main body longitudinal direction top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201495272U CN202071714U (en) | 2011-05-12 | 2011-05-12 | Maintenance-free section insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201495272U CN202071714U (en) | 2011-05-12 | 2011-05-12 | Maintenance-free section insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202071714U true CN202071714U (en) | 2011-12-14 |
Family
ID=45109823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201495272U Expired - Lifetime CN202071714U (en) | 2011-05-12 | 2011-05-12 | Maintenance-free section insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202071714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674295A (en) * | 2020-05-26 | 2020-09-18 | 中铁建电气化局集团科技有限公司 | Insulator and contact rail insulation system |
-
2011
- 2011-05-12 CN CN2011201495272U patent/CN202071714U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674295A (en) * | 2020-05-26 | 2020-09-18 | 中铁建电气化局集团科技有限公司 | Insulator and contact rail insulation system |
| CN111674295B (en) * | 2020-05-26 | 2023-04-04 | 中铁建电气化局集团科技有限公司 | Insulator and contact rail insulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |
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| CX01 | Expiry of patent term |