CN203882742U - Composite insulator with anti-fouling shed used on roof of bullet train - Google Patents
Composite insulator with anti-fouling shed used on roof of bullet train Download PDFInfo
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- CN203882742U CN203882742U CN201420263400.7U CN201420263400U CN203882742U CN 203882742 U CN203882742 U CN 203882742U CN 201420263400 U CN201420263400 U CN 201420263400U CN 203882742 U CN203882742 U CN 203882742U
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Abstract
The utility model relates to the field of bullet trains, especially relates to a composite insulator with anti-fouling sheds used on a roof of a bullet train. The composite insulator comprises a supporting body, wherein a plurality of groups of sheds are arranged along the axial direction in a manner of surrounding the side wall of the supporting body, the upper surfaces of the sheds incline relative to the radial cross section of the supporting body at an angle ranging from 8.5 degrees to 9.5 degrees, and the lower surfaces of the sheds inline relative to the radial cross section of the supporting body at an angle ranging from minus 0.8 degrees to minus 1.2 degrees. Therefore, the sheds have efficient anti-fouling performance and good fouling deposition property in a dynamic environment, effectively ensure the surface of products to be clean, prevent the occurrence of pollution flashover, are fully applicable to the safe operation of the bullet train under the condition of high wind speed, and prevent the rain flashover since rain water is likely to form a chain shape in heavy rain or rainstorm due to the concentrated structural design of the sheds.
Description
Technical field
The utility model relates to motor-car field, relates in particular to a kind of motor-car car roof composite insulator with anti-soil full skirt.
Background technology
Along with operation is opened on October 1st, 1964 in the Japan's Tokaido of Article 1 high-speed railway in the world the Shinkansen, the development of EMU is increasingly extensive.Through the development of more than 40 years, the large technical system of EMU three that to have basically formed by Japanese the Shinkansen, German ICE and French TGV called be representative.Various countries' motor train unit differs from one another from national actual needs separately, the development of world's high-speed railway has been play a part very positive.
France started to put forth effort to study TGV-PSE from 1976, come into operation in September, 1981.In May nineteen ninety, TGV-A325 Che Zu Atlantic Ocean line reaches operation speed per hour 515.3km, has created the world record of wheel rail system road speed.On April 3rd, 2007, France's test motor train unit V150 test speed reaches 574.8km/h, creates high-speed railway speed new record.
Federal railway is manufactured experimently express instruction carriage between ICE city August nineteen eighty-two.1985, adopt 2 moving 3 to drag the ICE/V type test EMU of form successfully to manufacture experimently, reach the test speed of 317km/h.In May, 1988, ICE/V type test train has been created the speed record of 406.9km/h between Hanover-Wei Ercibao.
The Ministry of Railway of the People's Republic of China, MOR by 2004 at first the foreign enterprise such as backward Canadian Pang Badi, Kawasaki, Japan heavy industry, French Alstom, Siemens buy high-speed railway vehicle technology, in the mode of Importing Foreign Advanced Technology absorption, produced development speed per hour 350 kms and above bullet train by the vehicle manufacturing enterprise under Chinese Bei Che group and South China car group.
And one of visual plant that insulator moves as roof line security, its technical performance obtains electric locomotive operation department and manufacturing common concern.The high speed development of China's electrical network has promoted the rapid growth of composite insulator industry, and China's silicon rubber compound insulator manufacturing technology is occupied first place in the world.
Rough Statistics, national composite insulator manufacturing enterprise has exceeded 100, only has family more than 10 but account for the leading enterprise in market.The insulator manufacturing enterprise that is simultaneously engaged in railway security transport is very few especially.Along with the rapid raising of train speed and the extensive laying of electric railway, the operational environment of top insulation is more diversified, requires harsher.Insulator arc-over trip accident is tending towards frequent and serious in recent years.
But, the upper surface of the full skirt of motor-car car roof composite insulator of the prior art and the ratio of slope of lower surface are more slow, stain resistance is poor, particularly, under dynamic environment, contamination accumulation characteristics is poor, can not effectively ensure the clean of product surface, easily cause the generation of pollution flashover situation, particularly motor-car is under high wind speed condition when safe operation, comparatively intensive umbrella skirt construction design easily under heavy rain or heavy rain rainwater be linked to be chain, cause that rain dodges.
For above problem, need badly and want a kind of motor-car car roof composite insulator with anti-soil full skirt, to solve the poor problem of motor-car car roof composite insulator stain resistance existing in prior art.
Utility model content
The purpose of this utility model is to provide a kind of motor-car car roof composite insulator with anti-soil full skirt, and this full skirt has efficient stain resistance, under dynamic environment, has good contamination accumulation characteristics, effectively ensures the clean of product surface, prevents the generation of pollution flashover.
For reaching this object, the utility model by the following technical solutions:
A kind of motor-car car roof composite insulator with anti-soil full skirt, comprise supporter, be provided with the some groups of full skirts of arranging vertically around described supporter sidewall, described full skirt upper surface is 8.5 degree to 9.5 degree with respect to the inclination angle of supporter radial section, and described full skirt lower surface is that-0.8 degree is to-1.2 degree with respect to the inclination angle of supporter radial section.
As preferably, described full skirt upper surface is 9 degree with respect to the inclination angle of supporter radial section, and described full skirt lower surface is-1 degree with respect to the inclination angle of supporter radial section.
As preferably, the lower end of described supporter is provided with lower gold utensil, on described lower gold utensil, is provided with creeping-increasing skirt.
As preferably, described creeping-increasing skirt vulcanizes on described lower gold utensil.
As preferably, described creeping-increasing skirt upper surface is 8.5 degree to 9.5 degree with respect to the inclination angle of supporter radial section, and described creeping-increasing skirt lower surface is that-0.8 degree is to-1.2 degree with respect to the inclination angle of supporter radial section.
As preferably, described creeping-increasing skirt upper surface is 9 degree with respect to the inclination angle of supporter radial section, and described creeping-increasing skirt lower surface is-1 degree with respect to the inclination angle of supporter radial section.
As preferably, be arranged in an each gamp and umbellule of comprising of 4 full skirts of upper end, the one group of full skirt being positioned at bottom comprises two umbellules.
As preferably, the diameter of described gamp is 176mm.
As preferably, the diameter of described umbellule is 86mm.
As preferably, the umbrella spacing between adjacent two umbrellas is 26mm.
The beneficial effects of the utility model are:
The utility model provides a kind of motor-car car roof composite insulator with anti-soil full skirt, because full skirt upper surface is 8.5 degree to 9.5 degree with respect to the inclination angle of supporter radial section, described full skirt lower surface is that-0.8 degree is to-1.2 degree with respect to the inclination angle of supporter radial section.So this full skirt has efficient stain resistance, under dynamic environment, there is good contamination accumulation characteristics, effectively ensure the clean of product surface, prevent the generation of pollution flashover, be applicable to the safe operation of motor-car under high wind speed condition completely, prevent simultaneously the design of comparatively intensive umbrella skirt construction easily under heavy rain or heavy rain rainwater be linked to be chain, cause that rain dodges.
Brief description of the drawings
Fig. 1 is the cutaway view of the motor-car car roof composite insulator with anti-soil full skirt that provides of the utility model device embodiment.
Wherein:
21, supporter; 22, full skirt; 23, upper gold utensil; 24, lower gold utensil; 26, creeping-increasing skirt.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Fig. 1 is the cutaway view of the motor-car car roof composite insulator with anti-soil full skirt that provides of the utility model device embodiment.As shown in Figure 1, there is the motor-car car roof composite insulator of anti-soil full skirt, comprise supporter 21, be provided with the some groups of full skirts 22 of arranging vertically around described supporter 21 sidewalls, described full skirt 22 upper surfaces are 8.5 degree to 9.5 degree with respect to the inclination angle of supporter radial section, and described full skirt lower surface is that-0.8 degree is to-1.2 degree with respect to the inclination angle of supporter radial section.
In the present embodiment, be provided with vertically 5 groups that arrange around described supporter 21 sidewalls described in full skirt 22.
In the present embodiment, as further preferred, described full skirt 23 upper surfaces are 9 degree with respect to the inclination angle of supporter radial section, and described full skirt 23 lower surfaces are-1 degree with respect to the inclination angle of supporter radial section.
Because edge on full skirt 22 adopts 9 degree angles, raining can effectively prevent from dodging along employing-1 degree angle; Under dynamic environment, there is good contamination accumulation characteristics, effectively ensure the clean of product surface, there is the generation that prevents pollution flashover, be applicable to the safe operation of motor-car under high wind speed condition completely.Prevent simultaneously the design of comparatively intensive umbrella skirt construction easily under heavy rain or heavy rain rainwater be linked to be chain, cause that rain dodges.
In the present embodiment, as preferred version, described supporter 21 is high-strength glass fibre epoxy resin rod.
The skeleton that described supporter 21 is composite insulator, because this programme adopts high-strength glass fibre epoxy resin rod as supporter 21, so have good acid-resistant property and high transverse property, bending resistance is greater than 16kN.
New body material glass fiber epoxy resin dipping high temperature is wound around, the chemical action that it bears mechanical stress, electric stress, sulphur hexafluoride and analyte thereof simultaneously, moisture in atmosphere may enter inside due to design defect, mass defect etc., glass fiber reinforced epoxy resin pipe is occurred deteriorated.And the coefficient of expansion of glass fiber reinforced epoxy resin pipe is close to zero, and the coefficient of expansion of metal-ware is 0.26 × 10
-6although both differ very little, gas is all-pervasive, in order to ensure the product reliability and security of long-time running out of doors, wants the interface that can ensure end accessory, glass fiber reinforced epoxy resin pipe and umbrella cover connect and seal reliable when Design and manufacture.
In the present embodiment, the upper end of described supporter 21 is provided with the upper gold utensil 23 for connecting conducting rod, and described upper gold utensil 23 is assemblied in the upper end of described supporter 21 by the mode of high pressure crimping.
And the lower end of described supporter 21 is provided with for described composite insulator being arranged on to the lower gold utensil 24 on motor-car roof, and described lower gold utensil 24 is assemblied in the lower end of described supporter 21 by the mode of high pressure crimping.
Concrete, the top and bottom of described supporter 21 are respectively equipped with upper end open and lower ending opening, and described upper gold utensil 23 and lower gold utensil 24 insert respectively described upper end open and lower ending opening and then be assemblied in the two ends of described supporter 21.
In the present embodiment, all adopt the mode of high pressure compression to assemble owing to being positioned at the gold utensil at described supporter two ends Shang Xia 21, so bending resistance composite insulator is connected firmly, there is good anti-seismic performance, anti-impact force performance and anti-brittle failure performance, bending resistance is greater than 16kN, can under various weathers, operating mode, environment, move.
In the present embodiment, as preferred version, described upper gold utensil 23 is made up of stainless steel 304.
In the present embodiment, as further preferred version, described lower gold utensil 24 is also made up of stainless steel 304.
In the present embodiment, as preferred version, described full skirt 22 is made up of silastic material.
Silicon rubber has surface can be low, hydrophobicity is strong and the characteristic such as migration of hydrophobicity, makes it have particularly preferred anti-soil and dodge performance.Carbon number in silicon rubber molecule is fewer than organic polymer, so its arc resistance, resistance to leakage property are very good.In addition, even if burning also can form the silicon of insulation, so its electrical insulating property excellence.
Because the bond energy of silicon rubber is high, chemical stability good, so its thermal endurance is better than organic polymer.Moreover a little less than intermolecular interaction, so vitrification point is low, cold resistance might as well.Therefore, any area is on earth used, and its characteristic can not change.Because the surface of polysiloxanes is methyl group, so it has hydrophobicity, thereby can be used for waterproof.This product outer insulating material adopts high-quality silicon rubber, and acid and alkali resistance, salt characteristic have excellent anti-atmospheric aging and ultraviolet ray ageing performance.Temperature is practical, high temperature resistant, can at 100 DEG C, work; Low temperature resistant, at-60 DEG C, still keep elasticity.
In the present embodiment, as preferred version, the arranged outside of described full skirt 22 has umbrella cover.In order to eliminate the interior insulation hidden danger existing because of bonding, dielectric strength in improving, described full skirt 22 is structure as a whole with described umbrella cover.
In the present embodiment, for the electric discharge problem under harsh weather between the lower shirt rim of motor-car car roof composite insulator and its lower gold utensil 24, if also need to increase creep distance, can on the lower gold utensil 24 of described supporter 21 lower ends, be provided with creeping-increasing skirt 26.
Do not increasing under the prerequisite of product height, greatly improving arcing distance and insulator creepage distance, thoroughly solving the electric discharge problem of shirt rim to base under insulator, making the insulation margin of product larger, safety and reliability.
In the present embodiment, as preferred version, described creeping-increasing skirt upper surface is 8.5 degree to 9.5 degree with respect to the inclination angle of supporter radial section, and described creeping-increasing skirt lower surface is that-0.8 degree is to-1.2 degree with respect to the inclination angle of supporter radial section.As further preferred version, described creeping-increasing skirt upper surface is 9 degree with respect to the inclination angle of supporter radial section, and described creeping-increasing skirt lower surface is-1 degree with respect to the inclination angle of supporter radial section.
In the present embodiment, described creeping-increasing skirt 26 is Split type structure with lower gold utensil 24, is installed on lower gold utensil 24, but is not former configuration in the time of operation, can not affect steep wave test.As further preferred version, described creeping-increasing skirt 26 is selected material contracting with heat manufacture.
In the present embodiment, as another kind of preferred version, described creeping-increasing skirt 26 vulcanizes on described lower gold utensil 24.
In the present embodiment, as preferred version, the diameter of described creeping-increasing skirt 26 is 80mm-90mm.
In the present embodiment, 4 full skirts 22 that are positioned at upper end comprise respectively a gamp and a umbellule, and the one group of full skirt 22 being positioned at bottom comprises two umbellules.This structure is conducive to withstand shock voltage, and interface is not easy breakdown, and the electric field that even improves rear interface is all no more than 3kV/mm, even if there is gas in interface, and can be from interface breakdown yet.
In the present embodiment, as preferred version, the diameter of described gamp is 172mm-180mm.
In the present embodiment, as preferred version, the diameter of described umbellule is 80mm-90mm.
In the present embodiment, as preferred version, the umbrella spacing between adjacent two umbrellas is 26mm.
In the present embodiment, as further preferred version, the diameter of described gamp is 176mm.
In the present embodiment, as further preferred version, the diameter of described umbellule is 86mm.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection range.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection range of the present utility model.
Claims (10)
1. one kind has the motor-car car roof composite insulator of anti-soil full skirt, comprise supporter, be provided with the some groups of full skirts of arranging vertically around described supporter sidewall, it is characterized in that, described full skirt upper surface is 8.5 degree to 9.5 degree with respect to the inclination angle of supporter radial section, and described full skirt lower surface is that-0.8 degree is to-1.2 degree with respect to the inclination angle of supporter radial section.
2. the motor-car car roof composite insulator with anti-soil full skirt according to claim 1, it is characterized in that, described full skirt upper surface is 9 degree with respect to the inclination angle of supporter radial section, and described full skirt lower surface is-1 degree with respect to the inclination angle of supporter radial section.
3. the motor-car car roof composite insulator with anti-soil full skirt according to claim 1, is characterized in that, the lower end of described supporter is provided with lower gold utensil, on described lower gold utensil, is provided with creeping-increasing skirt.
4. the motor-car car roof composite insulator with anti-soil full skirt according to claim 3, is characterized in that, described creeping-increasing skirt vulcanizes on described lower gold utensil.
5. the motor-car car roof composite insulator with anti-soil full skirt according to claim 3, it is characterized in that, described creeping-increasing skirt upper surface is 8.5 degree to 9.5 degree with respect to the inclination angle of supporter radial section, and described creeping-increasing skirt lower surface is that-0.8 degree is to-1.2 degree with respect to the inclination angle of supporter radial section.
6. the motor-car car roof composite insulator with anti-soil full skirt according to claim 5, it is characterized in that, described creeping-increasing skirt upper surface is 9 degree with respect to the inclination angle of supporter radial section, and described creeping-increasing skirt lower surface is-1 degree with respect to the inclination angle of supporter radial section.
7. the motor-car car roof composite insulator with anti-soil full skirt according to claim 1, is characterized in that, is arranged in an each gamp and umbellule of comprising of 4 full skirts of upper end, and the one group of full skirt being positioned at bottom comprises two umbellules.
8. the motor-car car roof composite insulator with anti-soil full skirt according to claim 7, is characterized in that, the diameter of described gamp is 176mm.
9. the motor-car car roof composite insulator with anti-soil full skirt according to claim 8, is characterized in that, the diameter of described umbellule is 86mm.
10. the motor-car car roof composite insulator with anti-soil full skirt according to claim 7, is characterized in that, the umbrella spacing between adjacent two umbrellas is 26mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263400.7U CN203882742U (en) | 2014-05-21 | 2014-05-21 | Composite insulator with anti-fouling shed used on roof of bullet train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263400.7U CN203882742U (en) | 2014-05-21 | 2014-05-21 | Composite insulator with anti-fouling shed used on roof of bullet train |
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| CN203882742U true CN203882742U (en) | 2014-10-15 |
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| CN201420263400.7U Active CN203882742U (en) | 2014-05-21 | 2014-05-21 | Composite insulator with anti-fouling shed used on roof of bullet train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971864A (en) * | 2014-05-21 | 2014-08-06 | 北京铁道工程机电技术研究所有限公司 | Motor train roof composite insulator with anti-fouling umbrella skirts |
-
2014
- 2014-05-21 CN CN201420263400.7U patent/CN203882742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971864A (en) * | 2014-05-21 | 2014-08-06 | 北京铁道工程机电技术研究所有限公司 | Motor train roof composite insulator with anti-fouling umbrella skirts |
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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. |