CN212332431U - Sectional insulator and high-speed overhead rigid contact net - Google Patents
Sectional insulator and high-speed overhead rigid contact net Download PDFInfo
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- CN212332431U CN212332431U CN202020660756.XU CN202020660756U CN212332431U CN 212332431 U CN212332431 U CN 212332431U CN 202020660756 U CN202020660756 U CN 202020660756U CN 212332431 U CN212332431 U CN 212332431U
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Abstract
The utility model discloses a sectional insulator and a high-speed overhead rigid contact net, which comprises a connecting assembly, a connecting assembly and a connecting assembly, wherein the connecting assembly comprises a first conductor part, an insulating part and a second conductor part; the conductive slideway comprises a first conductive slideway and a second conductive slideway, the first conductive slideway and the second conductive slideway are distributed on two sides of the connecting component, the front end of the first conductive slideway is connected with the first conductor part, and the rear end of the second conductive slideway is connected with the second conductor part; the insulating slide way comprises a first insulating slide way and a second insulating slide way, the first insulating slide way and the second insulating slide way are distributed on two sides of the connecting assembly, the rear end of the first insulating slide way is connected with the second conductor part, the first insulating slide way is connected with the first conductive slide way, the front end of the second insulating slide way is connected with the first conductor part, and the rear end of the second insulating slide way is connected with the second conductive slide way. The utility model discloses a wholly improve the stability and the reliability of segmentation insulator.
Description
Technical Field
The utility model is used for the power supply field especially relates to a sectional insulator and high-speed built on stilts rigidity contact net.
Background
The sectional insulator is an important part on an electrified railway contact net and is used for supplying power to the contact net in a sectional mode. Normally, the pantograph slides through with electricity. When a certain contact net section breaks down or has power failure due to construction, the isolating switch at the section insulator is opened to cut off the power of the contact net, and other parts can normally supply power, so that the reliability and the flexibility of the operation of the contact net are improved.
At present, most of special section insulators for electrified rigid contact networks of domestic high-speed railways always have the problem of prominent hard points, the bowing condition often occurs, parts which are low in overall mechanical tensile load strength and complex need to be connected on site and are easy to loosen, the stability performance is poor, and a large number of auxiliary tools and accessories are needed for on-site installation. In addition, in the running process of the train, due to the fact that arc extinguishing efficiency of the section insulator is not high, arc discharge is easy to occur, and electrical penetration and insulation breakdown of the section insulator can be caused in serious conditions.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a section insulator and high-speed built on stilts rigidity contact net, its structural style that adopts insulating part and a pair of electrically conductive slide and a pair of insulating slide coincidence of each other wholly improves section insulator's stability and reliability.
The utility model provides a technical scheme that its technical problem adopted is:
in a first aspect, a sectional insulator comprises
The connecting assembly comprises a first conductor component, an insulating component and a second conductor component, wherein the first conductor component, the insulating component and the second conductor component are sequentially connected along the front-back direction;
the conductive slideway comprises a first conductive slideway and a second conductive slideway, the first conductive slideway and the second conductive slideway are distributed on two sides of the connecting component, the front end of the first conductive slideway is connected with the first conductor part, the first conductive slideway and the first conductor part extend backwards at an inclination angle, the rear end of the second conductive slideway is connected with the second conductor part, and the second conductive slideway and the second conductor part extend forwards at an inclination angle;
the insulating slide way comprises a first insulating slide way and a second insulating slide way, the first insulating slide way and the second insulating slide way are distributed on two sides of the connecting assembly, the rear end of the first insulating slide way is connected with the second conductor part, the first insulating slide way and the second conductor part extend forwards at an inclination angle and are connected with the first conductive slide way, the front end of the second insulating slide way is connected with the first conductor part, and the second insulating slide way and the first conductor part extend backwards at an inclination angle and are connected with the second conductive slide way;
the bottom surface of the insulating part is higher than the bottom surfaces of the conductive slide way and the insulating slide way.
With reference to the first aspect, in certain implementations of the first aspect, the bottom surfaces of the conductive runner, the insulating runner, the first conductor part, and the second conductor part are located on a same horizontal plane.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the first conductive slideway and the second conductive slideway are parallel, and the first insulating slideway and the second insulating slideway are parallel.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the first conductor part and the first conductive slideway are connected through a plurality of first connecting pieces; the second conductor part is connected with the second conductive slideway through a plurality of second connecting pieces.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, a first arc-extinguishing angle is arranged at a connection position of the first conductor part and the insulating part, a second arc-extinguishing angle is arranged at a connection position of the second conductor part and the insulating part, a third arc-extinguishing angle is arranged at a connection position of the first conductive slideway and the first insulating slideway, and a fourth arc-extinguishing angle is arranged at a connection position of the second conductive slideway and the second insulating slideway.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, a plurality of holes are formed in the conductive sliding way.
With reference to the first aspect and the implementations described above, in certain implementations of the first aspect, the first conductor member and the second conductor member each include a busbar and a contact wire, the first conductor member is provided with a first contact at a front end of the connection assembly, and the conductor member is provided with a second contact at a rear end of the connection assembly.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the first conductive slideway and the first insulating slideway are connected through a first bolt, a front end of the first conductive slideway is connected with the busbar of the first conductor part through a first unequal-diameter bolt, and a rear end of the first insulating slideway is connected with the busbar of the second conductor part through a second unequal-diameter bolt; the second conductive slide way is connected with the second insulating slide way through a second bolt, the rear end of the second conductive slide way is connected with the bus bar of the second conductor part through a third unequal-diameter bolt, and the front end of the second insulating slide way is connected with the bus bar of the first conductor part through a fourth unequal-diameter bolt.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the insulating component includes a glass fiber reinforced plastic rod core and a silicon rubber shed covering a surface of the glass fiber reinforced plastic rod core, and two ends of the insulating component are respectively embedded into end portions of the bus bars and are fixedly connected through a third bolt.
In a second aspect, a high-speed overhead rigid catenary comprises the section insulator in any one of the implementation manners of the first aspect.
One of the above technical solutions has at least one of the following advantages or beneficial effects: the insulating part is arranged between the pair of conductor parts, and the insulating slide ways are connected between the corresponding conductive slide ways and the conductor parts to realize sectional insulation. When the pantograph type power supply device is used, the bottom surfaces of the conductive slide way and the insulating slide way and the bottom surface of the conductor part are in contact with the pantograph, so that normal power supply is realized. This technical scheme adopts insulating part and a pair of electrically conductive slide and the mutual coincident structural style of a pair of insulating slide, and whole mechanical tensile load intensity is higher, wholly improves the stability and the reliability of segmentation insulator.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a perspective view of the structure of one embodiment of the present invention;
FIG. 2 is a top view of the structure of one embodiment shown in FIG. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Wherein, fig. 1 and fig. 2 show the reference directions of the embodiments of the present invention, and the following describes the embodiments of the present invention with reference to the directions shown in fig. 1 and fig. 2.
An embodiment of the utility model provides a sectionalized insulator, it can carry out the sectionalized power supply to the contact net. Normally, the pantograph slides through with electricity. When a certain contact net section breaks down or has power failure due to construction, the isolating switch at the section insulator is opened to cut off the power of the contact net, and other parts can normally supply power, so that the reliability and the flexibility of the operation of the contact net are improved.
Referring to fig. 1 and 2, a sectional insulator includes a connecting assembly 1, a conductive slideway 2 and an insulating slideway 3, the connecting assembly 1 includes a first conductor part 11, an insulating part 12 and a second conductor part 13, the first conductor part 11, the insulating part 12 and the second conductor part 13 are sequentially connected along a front-back direction, the first conductor part 11 and the second conductor part 13 are used for being connected with contact nets on two sides, and the insulating part 12 is installed in the middle of a pair of conductor parts and plays a role of sectional insulation.
The conductive runner 2 is made of a conductive material, for example, in some embodiments, the conductive runner 2 is made of a copper alloy material. Referring to fig. 1 and 2, the conductive slideway 2 includes a first conductive slideway 21 and a second conductive slideway 22, the first conductive slideway 21 and the second conductive slideway 22 are arranged side by side, the first conductive slideway 21 and the second conductive slideway 22 are distributed on two sides of the connecting assembly 1, the front end of the first conductive slideway 21 is connected with the first conductor part 11, the first conductive slideway 21 and the first conductor part 11 extend backwards at an inclined angle, the rear end of the second conductive slideway 22 is connected with the second conductor part 13, the second conductive slideway 22 and the second conductor part 13 extend forwards at an inclined angle, and when the pantograph passes through the section insulator, the pantograph is connected at the first conductive slideway 21 and the second conductive slideway 22. Wherein, first electrically conductive slide 21 and the electrically conductive slide 22 of second distribute in the left and right sides of coupling assembling 1 to be certain contained angle and strut to the left and right sides, greatly increased electrically conductive slide 2's air gap, for example in some embodiments, have 300mm air gap between the electrically conductive slide 2 of both sides, improve the segmentation insulating effect.
The insulating runner 3 is made of an insulating material, for example, in some embodiments, the insulating runner 3 is made of a nylon material. Referring to fig. 1 and 2, the insulating slideway 3 includes a first insulating slideway 31 and a second insulating slideway 32, the first insulating slideway 31 and the second insulating slideway 32 are distributed on two sides of the connecting assembly 1, a rear end of the first insulating slideway 31 is connected with the second conductor part 13, the first insulating slideway 31 and the second conductor part 13 extend forwards at an inclined angle and are connected with the first conductive slideway 21, a front end of the second insulating slideway 32 is connected with the first conductor part 11, the second insulating slideway 32 extends backwards at an inclined angle and is connected with the second conductive slideway 22, the insulating slideway 3 is connected between the corresponding conductive slideway 2 and the conductor part on one hand to realize segmented insulation, and on the other hand, the insulating slideway also realizes the matching with the pantograph together with the opposite conductive slideway 2, so that the structure stability is better.
The insulating part 12 is arranged between the pair of conductor parts, and the insulating slide ways 3 are connected between the corresponding conductive slide ways 2 and the conductor parts to realize sectional insulation. The insulating slide way 3 and the conductive slide way 2 are respectively connected to two sides right below the insulating part 12, and when the power supply device is used, the bottom surfaces of the conductive slide way 2 and the insulating slide way 3 and the bottom surface of the conductor part are in contact with a pantograph to realize normal power supply. This technical scheme adopts insulating part 12 and a pair of electrically conductive slide 2 and a pair of insulating slide 3 coincident structural style each other, and whole mechanical tensile load intensity is higher, wholly improves the stability and the reliability of segmentation insulator.
The bottom surface of the insulating part 12 is higher than the bottom surfaces of the conductive slideway 2 and the insulating slideway 3, namely, the insulating part 12 is not contacted with the pantograph when in operation, so that the insulating part 12 is not abraded in the use process.
In some embodiments, referring to fig. 1, the bottom surfaces of the conductive runner 2, the insulating runner 3, the first conductor part 11, and the second conductor part 13 are located on the same horizontal plane, ensuring smooth passage of the pantograph through the sectionalizer.
The inclination angles of the first conductive slideway 21, the second conductive slideway 22, the first insulating slideway 31 and the second insulating slideway 32 can be the same or different, for example, in the embodiment shown in fig. 1 and 2, the first conductive slideway 21 and the second conductive slideway 22 are parallel, the first insulating slideway 31 and the second insulating slideway 32 are parallel, that is, the conductive slideway 2 and the insulating slideway 3 form a diamond structure, and a symmetrical structural design is adopted, and in combination with a connecting component in the middle part, two triangular frame structures are further formed, so that the stability and reliability of the integral section insulator are greatly improved.
Referring to fig. 1 and 2, the first conductor member 11 and the first conductive runner 21 are connected by a plurality of first connectors 23; the second conductor part 13 is connected with the second conductive slideway 22 through a plurality of second connecting pieces 24, and the first connecting pieces 23 and the second connecting pieces 24 are preferably made of conductor materials, so that the structural stability of the conductive slideway 2 is improved, the conductive paths between the conductor part and the conductive slideway 2 are increased, and the electrical loss is reduced.
In the running process of a train, due to the fact that arc extinguishing efficiency of the section insulator is not high, arc discharge is easy to occur, and electrical through and insulation breakdown of the section insulator can be caused in serious conditions. In order to solve the above problems in the prior art, referring to fig. 1, in some embodiments, a first arc-extinguishing angle 41 is disposed at a connection position of the first conductor part 11 and the insulating part 12, a second arc-extinguishing angle 42 is disposed at a connection position of the second conductor part 13 and the insulating part 12, a third arc-extinguishing angle 43 is disposed at a connection position of the first conductive slideway 21 and the first insulating slideway 31, a fourth arc-extinguishing angle 44 is disposed at a connection position of the second conductive slideway 22 and the second insulating slideway 32, and the arc-extinguishing angles are made of copper alloy materials, so that the arc-extinguishing efficiency of the sectionalized insulator is greatly improved, the safety is increased, and the requirement for an overhead rigid catenary line at the speed of 160km/h is met.
Referring to fig. 1, since the conductive material used for the conductive slideway 2 has a high density, in order to balance the weight of the insulating slideway 3, a plurality of holes are provided on the conductive slideway 2 to reduce the weight of the conductive slideway 2.
The first conductor member 11 and the second conductor member 13 may be a single piece or an assembly, for example, in the embodiment shown in fig. 1 and 2, the first conductor member 11 and the second conductor member 13 each include a busbar and a contact wire, the busbar is located at the top, the contact wire is located at the bottom, the contact wire can smoothly and smoothly cooperate with the pantograph, and the busbar facilitates connection with other structures such as the insulating member 12, the conductive slideway 2, and the insulating slideway 3 while achieving contact wire confluence. The first conductor part 11 is provided with a first joint 14 at the front end of the connecting assembly 1, the conductor part is provided with a second joint 15 at the rear end of the connecting assembly 1, and the first joint 14 and the second joint 15 are used for connecting the section insulator with a contact network.
The conductive slideway 2 and the insulating slideway 3, the conductive slideway 2 and the bus bar, and the insulating slideway 3 and the bus bar can be connected by welding, bolting, riveting, etc. for example, in the embodiment shown in fig. 1 and 2, the first conductive slideway 21 and the first insulating slideway 31 are connected by the first bolt 51, the front end of the first conductive slideway 21 and the bus bar of the first conductor part 11 are connected by the first unequal-diameter bolt 52, and the rear end of the first insulating slideway 31 and the bus bar of the second conductor part 13 are connected by the second unequal-diameter bolt 53; correspondingly, the second conductive slideway 22 and the second insulating slideway 32 are connected through a second bolt, the rear end of the second conductive slideway 22 is connected with the busbar of the second conductor part 13 through a third unequal-diameter bolt, the front end of the second insulating slideway 32 is connected with the busbar of the first conductor part 11 through a fourth unequal-diameter bolt, the heights of the conductive slideway 2 and the insulating slideway 3 can be adjusted through unequal-diameter bolts, and the adjustability and the adaptability are better.
In some embodiments, the insulating part 12 is made of a composite insulating material, the insulating part 12 includes a glass fiber reinforced plastic rod core and a silicon rubber shed covering the surface of the glass fiber reinforced plastic rod core, two ends of the insulating part 12 are respectively embedded into ends of the busbars and are fixed by third bolts, the structural strength of the insulating part 12 is higher, the insulating performance is better, and both the insulating part 12 and the insulating slideway 3 have creepage distances not less than 1600 mm.
An embodiment of the utility model provides a high-speed built on stilts rigidity contact net, including the section insulator of above arbitrary embodiment. The sectional insulator integrally improves the stability and reliability of the high-speed overhead rigid contact network, greatly improves the arc extinguishing efficiency of the high-speed overhead rigid contact network, increases the safety, and meets the requirement of 160km/h per hour of overhead rigid contact network lines.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. A section insulator, characterized in that: comprises that
The connecting assembly comprises a first conductor component, an insulating component and a second conductor component, wherein the first conductor component, the insulating component and the second conductor component are sequentially connected along the front-back direction;
the conductive slideway comprises a first conductive slideway and a second conductive slideway, the first conductive slideway and the second conductive slideway are distributed on two sides of the connecting component, the front end of the first conductive slideway is connected with the first conductor part, the first conductive slideway and the first conductor part extend backwards at an inclination angle, the rear end of the second conductive slideway is connected with the second conductor part, and the second conductive slideway and the second conductor part extend forwards at an inclination angle;
the insulating slide way comprises a first insulating slide way and a second insulating slide way, the first insulating slide way and the second insulating slide way are distributed on two sides of the connecting assembly, the rear end of the first insulating slide way is connected with the second conductor part, the first insulating slide way and the second conductor part extend forwards at an inclination angle and are connected with the first conductive slide way, the front end of the second insulating slide way is connected with the first conductor part, and the second insulating slide way and the first conductor part extend backwards at an inclination angle and are connected with the second conductive slide way;
the bottom surface of the insulating part is higher than the bottom surfaces of the conductive slide way and the insulating slide way.
2. The sectionalizer of claim 1, wherein: the bottom surfaces of the conductive slide way, the insulating slide way, the first conductor part and the second conductor part are positioned on the same horizontal plane.
3. The sectionalizer of claim 1, wherein: the first conductive slideway is parallel to the second conductive slideway, and the first insulating slideway is parallel to the second insulating slideway.
4. The sectionalizer of claim 1, wherein: the first conductor part is connected with the first conductive slideway through a plurality of first connecting pieces; the second conductor part is connected with the second conductive slideway through a plurality of second connecting pieces.
5. The sectionalizer of claim 1, wherein: the utility model discloses a conductor structure, including first conductor part, second conductor part, first insulating slide, second conductive slide, first conductor part and insulating part's hookup location is equipped with first arc extinguishing angle, the hookup location of second conductor part and insulating part is equipped with the second arc extinguishing angle, first conductive slide with the hookup location of first insulating slide is equipped with the third arc extinguishing angle, the second conductive slide with the hookup location of second insulating slide is equipped with the fourth arc extinguishing angle.
6. The sectionalizer of claim 1, wherein: the conductive slideway is provided with a plurality of holes.
7. The sectionalizer of claim 1, wherein: the first conductor part and the second conductor part respectively comprise a bus bar and a contact wire, the first conductor part is provided with a first joint at the front end of the connecting assembly, and the conductor part is provided with a second joint at the rear end of the connecting assembly.
8. The sectionalizer of claim 7, wherein: the first conductive slideway is connected with the first insulating slideway through a first bolt, the front end of the first conductive slideway is connected with the busbar of the first conductor part through a first unequal-diameter bolt, and the rear end of the first insulating slideway is connected with the busbar of the second conductor part through a second unequal-diameter bolt; the second conductive slide way is connected with the second insulating slide way through a second bolt, the rear end of the second conductive slide way is connected with the bus bar of the second conductor part through a third unequal-diameter bolt, and the front end of the second insulating slide way is connected with the bus bar of the first conductor part through a fourth unequal-diameter bolt.
9. The sectionalizer of claim 7, wherein: the insulating part comprises a glass fiber reinforced plastic rod core body and a silicon rubber umbrella skirt coated on the surface of the glass fiber reinforced plastic rod core body, and the two ends of the insulating part are respectively embedded into the end parts of the busbars and are fixedly connected through a third bolt.
10. The utility model provides a high-speed overhead rigid contact net which characterized in that: comprising a sectional insulator according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660756.XU CN212332431U (en) | 2020-04-26 | 2020-04-26 | Sectional insulator and high-speed overhead rigid contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020660756.XU CN212332431U (en) | 2020-04-26 | 2020-04-26 | Sectional insulator and high-speed overhead rigid contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212332431U true CN212332431U (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020660756.XU Active CN212332431U (en) | 2020-04-26 | 2020-04-26 | Sectional insulator and high-speed overhead rigid contact net |
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| Country | Link |
|---|---|
| CN (1) | CN212332431U (en) |
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- 2020-04-26 CN CN202020660756.XU patent/CN212332431U/en active Active
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