CN204189532U - High and cold motor train unit insulator - Google Patents
High and cold motor train unit insulator Download PDFInfo
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- CN204189532U CN204189532U CN201420679676.3U CN201420679676U CN204189532U CN 204189532 U CN204189532 U CN 204189532U CN 201420679676 U CN201420679676 U CN 201420679676U CN 204189532 U CN204189532 U CN 204189532U
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Abstract
The utility model discloses a kind of high and cold motor train unit insulator, belong to high pressure technique product scope, for solve high and cold motor train unit insulator can not high and cold, at a high speed, the problem that uses under dust storm condition and designing.A kind of high and cold motor train unit insulator, comprise plug, at coated multiple first full skirt of described mandrel outer and multiple second full skirt and the creeping-increasing skirt that is provided with bottom described plug, wherein, multiple described first full skirt and multiple described second full skirt interval arranges and described first full skirt is located at the top of described plug, the diameter of described second full skirt is greater than the diameter of described first full skirt.This high and cold motor train unit insulator structure is novel, dependable performance, meets high and cold motor train unit in high and cold, at a high speed, under dust storm condition user demand.
Description
Technical field
The utility model relates to high pressure technique product scope, is specifically related to a kind of high and cold motor train unit insulator.
Background technology
High and cold motor train unit insulator is a kind of special insulating element, under the high speed, high and cold, wind sand environment condition of high and cold motor train unit, play the effect wanted emphatically.
At present, the height above sea level of existing motor train unit design and operation environment is all no more than 1500m, and the design standard of the high and cold motor train unit insulator of roof carries out designing and producing according to the plain type that standard specifies.Because the height above sea level condition of high and cold motor train unit working line changes, existing high and cold motor train unit insulator product multinomial performance index can not meet the requirement of High aititude, high and cold and wind sand environment condition, therefore need to redesign novel high and cold motor train unit insulator, for meeting the service requirement of high and cold motor train unit.
Utility model content
The purpose of this utility model be propose a kind ofly to be applicable at a high speed, high and cold motor train unit insulator under high and cold, dust storm condition.
For reaching this object, the utility model by the following technical solutions:
A kind of high and cold motor train unit insulator, comprise plug, at coated multiple first full skirt of described mandrel outer and multiple second full skirt and the creeping-increasing skirt that is provided with bottom described plug, wherein, multiple described first full skirt and multiple described second full skirt interval arrange and are provided with described first full skirt in the top of described plug, and the diameter of described second full skirt is greater than the diameter of described first full skirt.
Further, described creeping-increasing skirt comprises in round table-like cavity and the extension extending outward umbrella in the bottom of described round platform, and described creeping-increasing skirt is for increasing the creepage distance of described high and cold motor train unit insulator.
Further, the diameter of described creeping-increasing skirt is greater than the diameter of described second full skirt.
As a preferred version of the present utility model, multiple described first full skirt and multiple described second full skirt are arranged at equal intervals.
As a preferred version of the present utility model, described first full skirt diameter is between 160 ~ 170mm.
As a preferred version of the present utility model, described second full skirt diameter is between 190 ~ 200mm.
As a preferred version of the present utility model, the diameter of described creeping-increasing skirt is at least 258mm.
As a preferred version of the present utility model, the height of described high and cold motor train unit insulator is between 448 ~ 452mm.
As a preferred version of the present utility model, the diameter of described plug is between 60 ~ 70mm.
As a preferred version of the present utility model, in the cavity of described creeping-increasing skirt, be provided with the flange be mated, for fixing described high and cold motor train unit insulator.
The beneficial effects of the utility model are:
(1) the utility model is by coated spaced first full skirt of mandrel outer and the second full skirt and the first full skirt is located at the top of plug, first full skirt diameter is less than the diameter of the second full skirt, this be arranged on ensure that high and cold motor train unit insulator electric property basis on, reduce the deflection of the second full skirt that maximum deformation quantity place occurs greatly.
(2) the utility model is by being provided with creeping-increasing skirt structure in the bottom of plug, increase the creepage distance of high and cold motor train unit insulator, effectively shield flange in the bottom and construction bolt tip, avoid high pressure point discharge over the ground, decrease the probability that flashover occurs.
(3) the utility model dependable performance, when highly increasing, the overstriking diameter of plug, increases mechanical bending strength.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high and cold motor train unit insulator that the utility model preferred embodiment one provides;
In figure:
1, the first full skirt; 2, the second full skirt; 3, creeping-increasing skirt; 31, extension; 4, plug; 5, flange.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Preferred embodiment one:
Fig. 1 is the structural representation of the high and cold motor train unit insulator that this preferred embodiment provides.This high and cold motor train unit insulator comprises plug 4, at multiple first full skirt 1 of plug 4 outer cladding and multiple second full skirt 2 and the creeping-increasing skirt 3 that is provided with bottom plug 4, wherein, multiple first full skirt 1 and multiple second full skirt 2 interval arrange and are greater than the diameter of the first full skirt 1 at the diameter that the top of plug 4 is provided with first full skirt 1, second full skirt 2.
Concrete, creeping-increasing skirt 3 comprises in round table-like cavity and extends outward the extension 31 of umbrella in the bottom of round platform, and creeping-increasing skirt 3 is for increasing the creepage distance of high and cold motor train unit insulator, and the diameter of creeping-increasing skirt 3 is greater than the diameter of the second full skirt 2.Multiple first full skirt 1 and multiple second full skirt 2 are arranged at equal intervals, in addition, are provided with the flange 5 be mated in the cavity of creeping-increasing skirt 3, for fixing high and cold motor train unit insulator.
First full skirt 1 diameter between 160 ~ 170mm, preferred 165mm in the present embodiment; Second full skirt 2 diameter between 190 ~ 200mm, preferred 195mm in the present embodiment; The diameter of creeping-increasing skirt 3 is at least 258mm, preferred 258mm in the present embodiment; The height of high and cold motor train unit insulator between 448 ~ 452mm, preferred 450mm in the present embodiment; The diameter of plug 4 between 60 ~ 70mm, preferred 65mm in the present embodiment.
These high and cold motor train unit insulator properties of product of above-mentioned parameter design are adopted all to be greatly improved.Make high and cold motor train unit insulator creepage distance be increased to 1350mm owing to being provided with creeping-increasing skirt 3, retting-flax wastewater is 54mm/KV; Dirty withstand voltage is increased to 43KV, and the 32KV dirt withstand voltage specified than standard improves 1.35 times, and dirty resistance to grade reaches PD4 requirement; By being provided with the creeping-increasing skirt structure that diameter is 258mm, shielding the tip of lower mounting flange 5 and bolt reliably, avoiding high pressure point discharge over the ground, decrease the probability that flashover occurs; High and cold motor train unit insulator height is set to 450mm, and electric clearance reaches 430mm, and all-wave lightning impulse withstand voltage is greater than 250KV; High and cold motor train unit insulator height is designed to 450mm, and the diameter of plug has also carried out overstriking accordingly, is designed to 65mm, and this design improves the mechanical bending strength of high and cold motor train unit insulator.
In the present embodiment, preferred structural parameters well ensure that the electric property of high and cold motor train unit insulator, in addition, the full skirt maximum deformation quantity of this high and cold motor train unit insulator occurs in the second full skirt 2 (the second full skirt 2 below the first full skirt 1 being namely arranged on top) being arranged on top, in the present embodiment, the diameter of the first full skirt 1 is less than the diameter of the second full skirt 2, this design is under the condition of the test wind 80m/s, the deflection that high and cold motor train unit insulator occurs in second full skirt 2 at maximum deformation quantity place reduces about 80% compared with original design (diameter of the first full skirt is greater than the diameter of the second full skirt).
The high and cold motor train unit insulator structure of the present embodiment design is novel, dependable performance, can be good at using in high and cold motor train unit, meets the high speed of high and cold motor train unit, high and cold, dust storm condition.
Preferred embodiment two:
This preferred embodiment provides a kind of high and cold motor train unit insulator, and its structure is substantially identical with preferred embodiment one.This high and cold motor train unit insulator comprises plug, at coated multiple first full skirt of mandrel outer and multiple second full skirt and the creeping-increasing skirt that is provided with bottom plug, wherein, multiple first full skirt and multiple second full skirt interval arranges and the first full skirt is located at the top of plug, the diameter of the second full skirt is greater than the diameter of the first full skirt.
Difference is: the structure of creeping-increasing skirt is not limited to said structure, can also be other structures, as pyramidal structure, increases creepage distance, minimizing flashover probability as long as can meet; The diameter of the first full skirt, the second full skirt, creeping-increasing skirt, plug and the height of high and cold motor train unit insulator are all not limited to above-mentioned dimensional parameters, can also be other parameters designed according to the actual requirements, as long as meet the top that the second full skirt and first full skirt less than the diameter of the first full skirt is arranged on plug.
Below by reference to the accompanying drawings embodiment of the present utility model is described; but the utility model is not limited to above-mentioned embodiment; those skilled in the art is not departing under the ambit that the utility model aim and claim protect; also can obtain a lot of form, these are all within protection range of the present utility model.
Claims (10)
1. a high and cold motor train unit insulator, it is characterized in that: comprise plug (4), at multiple first full skirt (1) of described plug (4) outer cladding and multiple second full skirt (2) and the creeping-increasing skirt (3) that is provided with in described plug (4) bottom, wherein
Multiple described first full skirt (1) and multiple described second full skirt (2) interval arrange and are provided with described first full skirt (1) in the top of described plug (4), and the diameter of described second full skirt (2) is greater than the diameter of described first full skirt (1).
2. the high and cold motor train unit insulator of one according to claim 1, it is characterized in that: described creeping-increasing skirt (3) comprises in round table-like cavity and extends outward the extension (31) of umbrella in the bottom of described round platform, and described creeping-increasing skirt (3) is for increasing the creepage distance of described high and cold motor train unit insulator.
3. the high and cold motor train unit insulator of one according to claim 2, is characterized in that: the diameter of described creeping-increasing skirt (3) is greater than the diameter of described second full skirt (2).
4., according to the arbitrary described high and cold motor train unit insulator of one of claim 1-3, it is characterized in that: multiple described first full skirt (1) and multiple described second full skirt (2) are arranged at equal intervals.
5. the high and cold motor train unit insulator of one according to claim 4, is characterized in that: described first full skirt (1) diameter is between 160 ~ 170mm.
6. the high and cold motor train unit insulator of one according to claim 5, is characterized in that: described second full skirt (2) diameter is between 190 ~ 200mm.
7. the high and cold motor train unit insulator of one according to claim 6, is characterized in that: the diameter of described creeping-increasing skirt (3) is at least 258mm.
8. the high and cold motor train unit insulator of one according to claim 7, is characterized in that: the height of described high and cold motor train unit insulator is between 448 ~ 452mm.
9. the high and cold motor train unit insulator of one according to claim 8, is characterized in that: the diameter of described plug (4) is between 60 ~ 70mm.
10. the high and cold motor train unit insulator of one according to claim 2, is characterized in that: be provided with the flange (5) be mated in the cavity of described creeping-increasing skirt (3), fixes described high and cold motor train unit insulator for bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679676.3U CN204189532U (en) | 2014-11-07 | 2014-11-07 | High and cold motor train unit insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420679676.3U CN204189532U (en) | 2014-11-07 | 2014-11-07 | High and cold motor train unit insulator |
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| Publication Number | Publication Date |
|---|---|
| CN204189532U true CN204189532U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420679676.3U Active CN204189532U (en) | 2014-11-07 | 2014-11-07 | High and cold motor train unit insulator |
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| CN (1) | CN204189532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319036A (en) * | 2014-11-07 | 2015-01-28 | 北京铁道工程机电技术研究所有限公司 | Insulator used for motor train unit at high and cold areas |
-
2014
- 2014-11-07 CN CN201420679676.3U patent/CN204189532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319036A (en) * | 2014-11-07 | 2015-01-28 | 北京铁道工程机电技术研究所有限公司 | Insulator used for motor train unit at high and cold areas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: 100070 Beijing Fengtai District South Fourth Ring West Road 188 District 5 Building Patentee after: Beijing Railway Engineering Electromechanical Technology Research Institute Limited by Share Ltd Address before: 100070 Beijing Fengtai District South Fourth Ring West Road 188 District 5 Building Patentee before: Beijing Railway Institute of Mechanical and Electrical Engineering Co.,Ltd. |